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Gilles Boccon-Gibod 51049810e4 Deployed 859bb06 with MkDocs version: 1.6.1 2025-02-08 18:23:08 -05:00
Gilles Boccon-Gibod 75194f5a62 Deployed 8400ff0 with MkDocs version: 1.5.3 2023-12-04 00:39:14 -08:00
Gilles Boccon-Gibod b83caac3bd Deployed 49d32f5 with MkDocs version: 1.5.3 2023-10-29 10:26:51 -07:00
Gilles Boccon-Gibod e6ee764da8 Deployed a63b335 with MkDocs version: 1.5.3 2023-10-29 09:50:14 -07:00
Gilles Boccon-Gibod 0b0e5740d8 Deployed a63b335 with MkDocs version: 1.5.3 2023-10-29 09:36:50 -07:00
Gilles Boccon-Gibod a0e5bbb23f Deployed d8517ce with MkDocs version: 1.5.3 2023-10-29 09:04:27 -07:00
Gilles Boccon-Gibod c291e749fd Deployed b9476be with MkDocs version: 1.5.3 2023-10-10 22:19:44 -07:00
Gilles Boccon-Gibod 299d7dc93f Deployed 1e00c8f with MkDocs version: 1.4.3 2023-09-08 18:08:42 -07:00
Gilles Boccon-Gibod addffad3e8 Deployed 81a5f3a with MkDocs version: 1.4.3 2023-07-11 07:07:16 -07:00
Gilles Boccon-Gibod 547b623fe7 Deployed 78581cc with MkDocs version: 1.3.1 2023-06-10 15:27:33 -07:00
Gilles Boccon-Gibod 85a1a617f4 Deployed dad7957 with MkDocs version: 1.3.1 2023-05-03 08:57:35 -07:00
Gilles Boccon-Gibod 81994010bd Deployed 7ae3a1d with MkDocs version: 1.3.1 2022-12-18 20:58:09 -08:00
Gilles Boccon-Gibod 5f0477bd28 Deployed 7ae3a1d with MkDocs version: 1.3.1 2022-12-18 20:55:03 -08:00
Gilles Boccon-Gibod 3581c8d710 Deployed 68d9fbc with MkDocs version: 1.3.1 2022-10-11 14:38:46 -07:00
Gilles Boccon-Gibod c525dd1194 Deployed 2fc7a0b with MkDocs version: 1.3.1 2022-10-06 15:55:46 -07:00
Gilles Boccon-Gibod 5ee9891189 Deployed 1af61e8 with MkDocs version: 1.3.0 2022-06-04 23:05:22 -07:00
Gilles Boccon-Gibod 4b9df9ece2 Deployed 6ac91f7 with MkDocs version: 1.2 2022-05-16 19:54:59 -07:00
463 changed files with 151833 additions and 67673 deletions
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# Migrate code style to Black
135df0dcc01ab765f432e19b1a5202d29bd55545
-39
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# Check the code against the formatter and linter
name: Code format and lint check
on:
push:
branches: [ main ]
pull_request:
branches: [ main ]
permissions:
contents: read
jobs:
check:
name: Check Code
runs-on: ubuntu-latest
strategy:
matrix:
python-version: ["3.8", "3.9", "3.10", "3.11"]
fail-fast: false
steps:
- name: Check out from Git
uses: actions/checkout@v3
- name: Get history and tags for SCM versioning to work
run: |
git fetch --prune --unshallow
git fetch --depth=1 origin +refs/tags/*:refs/tags/*
- name: Set up Python
uses: actions/setup-python@v3
with:
python-version: '3.10'
- name: Install dependencies
run: |
python -m pip install --upgrade pip
python -m pip install ".[build,test,development]"
- name: Check
run: |
invoke project.pre-commit
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# For most projects, this workflow file will not need changing; you simply need
# to commit it to your repository.
#
# You may wish to alter this file to override the set of languages analyzed,
# or to provide custom queries or build logic.
#
# ******** NOTE ********
# We have attempted to detect the languages in your repository. Please check
# the `language` matrix defined below to confirm you have the correct set of
# supported CodeQL languages.
#
name: "CodeQL"
on:
push:
branches: [ main ]
pull_request:
# The branches below must be a subset of the branches above
branches: [ main ]
schedule:
- cron: '39 21 * * 4'
jobs:
analyze:
name: Analyze
runs-on: ubuntu-latest
permissions:
actions: read
contents: read
security-events: write
strategy:
fail-fast: false
matrix:
language: [ 'python' ]
# CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python', 'ruby' ]
# Learn more about CodeQL language support at https://aka.ms/codeql-docs/language-support
steps:
- name: Checkout repository
uses: actions/checkout@v3
# Initializes the CodeQL tools for scanning.
- name: Initialize CodeQL
uses: github/codeql-action/init@v2
with:
languages: ${{ matrix.language }}
# If you wish to specify custom queries, you can do so here or in a config file.
# By default, queries listed here will override any specified in a config file.
# Prefix the list here with "+" to use these queries and those in the config file.
# Details on CodeQL's query packs refer to : https://docs.github.com/en/code-security/code-scanning/automatically-scanning-your-code-for-vulnerabilities-and-errors/configuring-code-scanning#using-queries-in-ql-packs
# queries: security-extended,security-and-quality
# Autobuild attempts to build any compiled languages (C/C++, C#, or Java).
# If this step fails, then you should remove it and run the build manually (see below)
- name: Autobuild
uses: github/codeql-action/autobuild@v2
# ️ Command-line programs to run using the OS shell.
# 📚 See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsrun
# If the Autobuild fails above, remove it and uncomment the following three lines.
# modify them (or add more) to build your code if your project, please refer to the EXAMPLE below for guidance.
# - run: |
# echo "Run, Build Application using script"
# ./location_of_script_within_repo/buildscript.sh
- name: Perform CodeQL Analysis
uses: github/codeql-action/analyze@v2
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# Build and test the python package
name: Python build and test
on:
push:
branches: [ main ]
pull_request:
branches: [ main ]
permissions:
contents: read
jobs:
build:
runs-on: ${{ matrix.os }}
strategy:
matrix:
os: ['ubuntu-latest', 'macos-latest', 'windows-latest']
python-version: ["3.8", "3.9", "3.10", "3.11"]
fail-fast: false
steps:
- name: Check out from Git
uses: actions/checkout@v3
- name: Get history and tags for SCM versioning to work
run: |
git fetch --prune --unshallow
git fetch --depth=1 origin +refs/tags/*:refs/tags/*
- name: Set up Python ${{ matrix.python-version }}
uses: actions/setup-python@v4
with:
python-version: ${{ matrix.python-version }}
- name: Install dependencies
run: |
python -m pip install --upgrade pip
python -m pip install ".[build,test,development,documentation]"
- name: Test
run: |
invoke test
- name: Build
run: |
inv build
inv build.mkdocs
build-rust:
runs-on: ubuntu-latest
strategy:
matrix:
python-version: [ "3.8", "3.9", "3.10", "3.11" ]
rust-version: [ "1.70.0", "stable" ]
fail-fast: false
steps:
- name: Check out from Git
uses: actions/checkout@v3
- name: Set up Python ${{ matrix.python-version }}
uses: actions/setup-python@v4
with:
python-version: ${{ matrix.python-version }}
- name: Install dependencies
run: |
python -m pip install --upgrade pip
python -m pip install ".[build,test,development,documentation]"
- name: Install Rust toolchain
uses: actions-rust-lang/setup-rust-toolchain@v1
with:
components: clippy,rustfmt
toolchain: ${{ matrix.rust-version }}
- name: Check License Headers
run: cd rust && cargo run --features dev-tools --bin file-header check-all
- name: Rust Build
run: cd rust && cargo build --all-targets && cargo build --all-features --all-targets
# Lints after build so what clippy needs is already built
- name: Rust Lints
run: cd rust && cargo fmt --check && cargo clippy --all-targets -- --deny warnings && cargo clippy --all-features --all-targets -- --deny warnings
- name: Rust Tests
run: cd rust && cargo test
# At some point, hook up publishing the binary. For now, just make sure it builds.
# Once we're ready to publish binaries, this should be built with `--release`.
- name: Build Bumble CLI
run: cd rust && cargo build --features bumble-tools --bin bumble
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name: Upload Python Package
on:
release:
types: [published]
permissions:
contents: read
jobs:
deploy:
name: Build and publish Python 🐍 distributions 📦 to PyPI and TestPyPI
runs-on: ubuntu-latest
steps:
- name: Check out from Git
uses: actions/checkout@v3
- name: Get history and tags for SCM versioning to work
run: |
git fetch --prune --unshallow
git fetch --depth=1 origin +refs/tags/*:refs/tags/*
- name: Set up Python
uses: actions/setup-python@v3
with:
python-version: '3.10'
- name: Install dependencies
run: |
python -m pip install --upgrade pip
python -m pip install build
- name: Build package
run: python -m build
- name: Publish package to PyPI
if: github.event_name == 'release' && startsWith(github.ref, 'refs/tags')
uses: pypa/gh-action-pypi-publish@release/v1
with:
user: __token__
password: ${{ secrets.PYPI_API_TOKEN }}
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.eggs/
build/
dist/
*.egg-info/
*~
docs/mkdocs/site
test-results.xml
__pycache__
# generated by setuptools_scm
bumble/_version.py
.vscode/launch.json
/.idea
View File
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{
"cSpell.words": [
"Abortable",
"altsetting",
"ansiblue",
"ansicyan",
"ansigreen",
"ansimagenta",
"ansired",
"ansiyellow",
"appendleft",
"ASHA",
"asyncio",
"ATRAC",
"avdtp",
"bitpool",
"bitstruct",
"BSCP",
"BTPROTO",
"CCCD",
"cccds",
"cmac",
"CONNECTIONLESS",
"csrcs",
"datagram",
"DATALINK",
"delayreport",
"deregisters",
"deregistration",
"dhkey",
"diversifier",
"Fitbit",
"GATTLINK",
"HANDSFREE",
"keydown",
"keyup",
"levelname",
"libc",
"libusb",
"MITM",
"NDIS",
"NONBLOCK",
"NONCONN",
"OXIMETER",
"popleft",
"psms",
"pyee",
"pyusb",
"rfcomm",
"ROHC",
"rssi",
"SEID",
"seids",
"SERV",
"ssrc",
"strerror",
"subband",
"subbands",
"subevent",
"Subrating",
"substates",
"tobytes",
"tsep",
"usbmodem",
"vhci",
"websockets",
"xcursor",
"ycursor"
],
"[python]": {
"editor.rulers": [88]
},
"python.formatting.provider": "black",
"pylint.importStrategy": "useBundled",
"python.testing.pytestArgs": [
"."
],
"python.testing.unittestEnabled": false,
"python.testing.pytestEnabled": true
}
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# How to Contribute
We'd love to accept your patches and contributions to this project. There are
just a few small guidelines you need to follow.
## Contributor License Agreement
Contributions to this project must be accompanied by a Contributor License
Agreement (CLA). You (or your employer) retain the copyright to your
contribution; this simply gives us permission to use and redistribute your
contributions as part of the project. Head over to
<https://cla.developers.google.com/> to see your current agreements on file or
to sign a new one.
You generally only need to submit a CLA once, so if you've already submitted one
(even if it was for a different project), you probably don't need to do it
again.
## Code Reviews
All submissions, including submissions by project members, require review. We
use GitHub pull requests for this purpose. Consult
[GitHub Help](https://help.github.com/articles/about-pull-requests/) for more
information on using pull requests.
## Community Guidelines
This project follows
[Google's Open Source Community Guidelines](https://opensource.google/conduct/).
-221
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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
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APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
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Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
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Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
---
Files: bumble/colors.py
Copyright (c) 2012 Giorgos Verigakis <verigak@gmail.com>
Permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-65
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_ _ _
| | | | | |
| |__ _ _ ____ | |__ | | _____
| _ \| | | | \| _ \| || ___ |
| |_) ) |_| | | | | |_) ) || ____|
|____/|____/|_|_|_|____/ \_)_____)
Bluetooth Stack for Apps, Emulation, Test and Experimentation
=============================================================
<img src="docs/mkdocs/src/images/logo_framed.png" alt="Logo" width="200" height="200"/>
Bumble is a full-featured Bluetooth stack written entirely in Python. It supports most of the common Bluetooth Low Energy (BLE) and Bluetooth Classic (BR/EDR) protocols and profiles, including GAP, L2CAP, ATT, GATT, SMP, SDP, RFCOMM, HFP, HID and A2DP. The stack can be used with physical radios via HCI over USB, UART, or the Linux VHCI, as well as virtual radios, including the virtual Bluetooth support of the Android emulator.
## Documentation
Browse the pre-built [Online Documentation](https://google.github.io/bumble/),
or see the documentation source under `docs/mkdocs/src`, or build the static HTML site from the markdown text with:
```
mkdocs build -f docs/mkdocs/mkdocs.yml
```
## Usage
### Getting Started
For a quick start to using Bumble, see the [Getting Started](docs/mkdocs/src/getting_started.md) guide.
### Dependencies
To install package dependencies needed to run the bumble examples, execute the following commands:
```
python -m pip install --upgrade pip
python -m pip install ".[test,development,documentation]"
```
### Examples
Refer to the [Examples Documentation](examples/README.md) for details on the included example scripts and how to run them.
The complete [list of Examples](/docs/mkdocs/src/examples/index.md), and what they are designed to do is here.
There are also a set of [Apps and Tools](docs/mkdocs/src/apps_and_tools/index.md) that show the utility of Bumble.
### Using Bumble With a USB Dongle
Bumble is easiest to use with a dedicated USB dongle.
This is because internal Bluetooth interfaces tend to be locked down by the operating system.
You can use the [usb_probe](/docs/mkdocs/src/apps_and_tools/usb_probe.md) tool (all platforms) or `lsusb` (Linux or macOS) to list the available USB devices on your system.
See the [USB Transport](/docs/mkdocs/src/transports/usb.md) page for details on how to refer to USB devices. Also, if your are on a mac, see [these instructions](docs/mkdocs/src/platforms/macos.md).
## License
Licensed under the [Apache 2.0](LICENSE) License.
## Disclaimer
This is not an official Google product.
This library is in alpha and will be going through a lot of breaking changes. While releases will be stable enough for prototyping, experimentation and research, we do not recommend using it in any production environment yet.
Expect bugs and sharp edges.
Please help by trying it out, reporting bugs, and letting us know what you think!
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Bumble Apps
===========
NOTE:
To run python scripts from this directory when the Bumble package isn't installed in your environment,
put .. in your PYTHONPATH: `export PYTHONPATH=..`
Apps
----
## `show.py`
Parse a file with HCI packets and print the details of each packet in a human readable form
## `link_relay.py`
Simple WebSocket relay for virtual RemoteLink instances to communicate with each other through.
## `hci_bridge.py`
This app acts as a simple bridge between two HCI transports, with a host on one side and
a controller on the other. All the HCI packets bridged between the two are printed on the console
for logging. This bridge also has the ability to short-circuit some HCI packets (respond to them
with a fixed response instead of bridging them to the other side), which may be useful when used with
a host that send custom HCI commands that the controller may not understand.
### Usage
```
python hci_bridge.py <host-transport-spec> <controller-transport-spec> [command-short-circuit-list]
```
### Examples
#### UDP to HCI UART
```
python hci_bridge.py udp:0.0.0.0:9000,127.0.0.1:9001 serial:/dev/tty.usbmodem0006839912171,1000000 0x3f:0x0070,0x3f:0x0074,0x3f:0x0077,0x3f:0x0078
```
#### PTY to Link Relay
```
python hci_bridge.py serial:emulated_uart_pty,1000000 link-relay:ws://127.0.0.1:10723/test
```
In this example, an emulator that exposes a PTY as an interface to its HCI UART is running as
a Bluetooth host, and we are connecting it to a virtual controller attached to a link relay
(through which the communication with other virtual controllers will be mediated).
NOTE: this assumes you're running a Link Relay on port `10723`.
## `console.py`
A simple text-based-ui interactive Bluetooth device with GATT client capabilities.
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# Copyright 2021-2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# -----------------------------------------------------------------------------
# Imports
# -----------------------------------------------------------------------------
import asyncio
import os
import logging
import click
from bumble.company_ids import COMPANY_IDENTIFIERS
from bumble.colors import color
from bumble.core import name_or_number
from bumble.hci import (
map_null_terminated_utf8_string,
HCI_SUCCESS,
HCI_LE_SUPPORTED_FEATURES_NAMES,
HCI_VERSION_NAMES,
LMP_VERSION_NAMES,
HCI_Command,
HCI_Command_Complete_Event,
HCI_Command_Status_Event,
HCI_READ_BD_ADDR_COMMAND,
HCI_Read_BD_ADDR_Command,
HCI_READ_LOCAL_NAME_COMMAND,
HCI_Read_Local_Name_Command,
HCI_LE_READ_MAXIMUM_DATA_LENGTH_COMMAND,
HCI_LE_Read_Maximum_Data_Length_Command,
HCI_LE_READ_NUMBER_OF_SUPPORTED_ADVERTISING_SETS_COMMAND,
HCI_LE_Read_Number_Of_Supported_Advertising_Sets_Command,
HCI_LE_READ_MAXIMUM_ADVERTISING_DATA_LENGTH_COMMAND,
HCI_LE_Read_Maximum_Advertising_Data_Length_Command,
)
from bumble.host import Host
from bumble.transport import open_transport_or_link
# -----------------------------------------------------------------------------
def command_succeeded(response):
if isinstance(response, HCI_Command_Status_Event):
return response.status == HCI_SUCCESS
if isinstance(response, HCI_Command_Complete_Event):
return response.return_parameters.status == HCI_SUCCESS
return False
# -----------------------------------------------------------------------------
async def get_classic_info(host):
if host.supports_command(HCI_READ_BD_ADDR_COMMAND):
response = await host.send_command(HCI_Read_BD_ADDR_Command())
if command_succeeded(response):
print()
print(
color('Classic Address:', 'yellow'), response.return_parameters.bd_addr
)
if host.supports_command(HCI_READ_LOCAL_NAME_COMMAND):
response = await host.send_command(HCI_Read_Local_Name_Command())
if command_succeeded(response):
print()
print(
color('Local Name:', 'yellow'),
map_null_terminated_utf8_string(response.return_parameters.local_name),
)
# -----------------------------------------------------------------------------
async def get_le_info(host):
print()
if host.supports_command(HCI_LE_READ_NUMBER_OF_SUPPORTED_ADVERTISING_SETS_COMMAND):
response = await host.send_command(
HCI_LE_Read_Number_Of_Supported_Advertising_Sets_Command()
)
if command_succeeded(response):
print(
color('LE Number Of Supported Advertising Sets:', 'yellow'),
response.return_parameters.num_supported_advertising_sets,
'\n',
)
if host.supports_command(HCI_LE_READ_MAXIMUM_ADVERTISING_DATA_LENGTH_COMMAND):
response = await host.send_command(
HCI_LE_Read_Maximum_Advertising_Data_Length_Command()
)
if command_succeeded(response):
print(
color('LE Maximum Advertising Data Length:', 'yellow'),
response.return_parameters.max_advertising_data_length,
'\n',
)
if host.supports_command(HCI_LE_READ_MAXIMUM_DATA_LENGTH_COMMAND):
response = await host.send_command(HCI_LE_Read_Maximum_Data_Length_Command())
if command_succeeded(response):
print(
color('Maximum Data Length:', 'yellow'),
(
f'tx:{response.return_parameters.supported_max_tx_octets}/'
f'{response.return_parameters.supported_max_tx_time}, '
f'rx:{response.return_parameters.supported_max_rx_octets}/'
f'{response.return_parameters.supported_max_rx_time}'
),
'\n',
)
print(color('LE Features:', 'yellow'))
for feature in host.supported_le_features:
print(' ', name_or_number(HCI_LE_SUPPORTED_FEATURES_NAMES, feature))
# -----------------------------------------------------------------------------
async def async_main(transport):
print('<<< connecting to HCI...')
async with await open_transport_or_link(transport) as (hci_source, hci_sink):
print('<<< connected')
host = Host(hci_source, hci_sink)
await host.reset()
# Print version
print(color('Version:', 'yellow'))
print(
color(' Manufacturer: ', 'green'),
name_or_number(COMPANY_IDENTIFIERS, host.local_version.company_identifier),
)
print(
color(' HCI Version: ', 'green'),
name_or_number(HCI_VERSION_NAMES, host.local_version.hci_version),
)
print(color(' HCI Subversion:', 'green'), host.local_version.hci_subversion)
print(
color(' LMP Version: ', 'green'),
name_or_number(LMP_VERSION_NAMES, host.local_version.lmp_version),
)
print(color(' LMP Subversion:', 'green'), host.local_version.lmp_subversion)
# Get the Classic info
await get_classic_info(host)
# Get the LE info
await get_le_info(host)
# Print the list of commands supported by the controller
print()
print(color('Supported Commands:', 'yellow'))
for command in host.supported_commands:
print(' ', HCI_Command.command_name(command))
# -----------------------------------------------------------------------------
@click.command()
@click.argument('transport')
def main(transport):
logging.basicConfig(level=os.environ.get('BUMBLE_LOGLEVEL', 'WARNING').upper())
asyncio.run(async_main(transport))
# -----------------------------------------------------------------------------
if __name__ == '__main__':
main()
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# Copyright 2021-2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# -----------------------------------------------------------------------------
# Imports
# -----------------------------------------------------------------------------
import logging
import asyncio
import sys
import os
from bumble.controller import Controller
from bumble.link import LocalLink
from bumble.transport import open_transport_or_link
# -----------------------------------------------------------------------------
async def async_main():
if len(sys.argv) != 3:
print(
'Usage: controllers.py <hci-transport-1> <hci-transport-2> '
'[<hci-transport-3> ...]'
)
print('example: python controllers.py pty:ble1 pty:ble2')
return
# Create a local link to attach the controllers to
link = LocalLink()
# Create a transport and controller for all requested names
transports = []
controllers = []
for index, transport_name in enumerate(sys.argv[1:]):
transport = await open_transport_or_link(transport_name)
transports.append(transport)
controller = Controller(
f'C{index}',
host_source=transport.source,
host_sink=transport.sink,
link=link,
)
controllers.append(controller)
# Wait until the user interrupts
await asyncio.get_running_loop().create_future()
# Cleanup
for transport in transports:
transport.close()
# -----------------------------------------------------------------------------
def main():
logging.basicConfig(level=os.environ.get('BUMBLE_LOGLEVEL', 'INFO').upper())
asyncio.run(async_main())
# -----------------------------------------------------------------------------
if __name__ == '__main__':
main()
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# Copyright 2021-2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# -----------------------------------------------------------------------------
# Imports
# -----------------------------------------------------------------------------
import asyncio
import os
import logging
import click
import bumble.core
from bumble.colors import color
from bumble.device import Device, Peer
from bumble.gatt import show_services
from bumble.transport import open_transport_or_link
# -----------------------------------------------------------------------------
async def dump_gatt_db(peer, done):
# Discover all services
print(color('### Discovering Services and Characteristics', 'magenta'))
await peer.discover_services()
for service in peer.services:
await service.discover_characteristics()
for characteristic in service.characteristics:
await characteristic.discover_descriptors()
print(color('=== Services ===', 'yellow'))
show_services(peer.services)
print()
# Discover all attributes
print(color('=== All Attributes ===', 'yellow'))
attributes = await peer.discover_attributes()
for attribute in attributes:
print(attribute)
try:
value = await attribute.read_value()
print(color(f'{value.hex()}', 'green'))
except bumble.core.ProtocolError as error:
print(color(error, 'red'))
except bumble.core.TimeoutError:
print(color('read timeout', 'red'))
if done is not None:
done.set_result(None)
# -----------------------------------------------------------------------------
async def async_main(device_config, encrypt, transport, address_or_name):
async with await open_transport_or_link(transport) as (hci_source, hci_sink):
# Create a device
if device_config:
device = Device.from_config_file_with_hci(
device_config, hci_source, hci_sink
)
else:
device = Device.with_hci(
'Bumble', 'F0:F1:F2:F3:F4:F5', hci_source, hci_sink
)
await device.power_on()
if address_or_name:
# Connect to the target peer
connection = await device.connect(address_or_name)
# Encrypt the connection if required
if encrypt:
await connection.encrypt()
await dump_gatt_db(Peer(connection), None)
else:
# Wait for a connection
done = asyncio.get_running_loop().create_future()
device.on(
'connection',
lambda connection: asyncio.create_task(
dump_gatt_db(Peer(connection), done)
),
)
await device.start_advertising(auto_restart=True)
print(color('### Waiting for connection...', 'blue'))
await done
# -----------------------------------------------------------------------------
@click.command()
@click.option('--device-config', help='Device configuration', type=click.Path())
@click.option('--encrypt', help='Encrypt the connection', is_flag=True, default=False)
@click.argument('transport')
@click.argument('address-or-name', required=False)
def main(device_config, encrypt, transport, address_or_name):
"""
Dump the GATT database on a remote device. If ADDRESS_OR_NAME is not specified,
wait for an incoming connection.
"""
logging.basicConfig(level=os.environ.get('BUMBLE_LOGLEVEL', 'INFO').upper())
asyncio.run(async_main(device_config, encrypt, transport, address_or_name))
# -----------------------------------------------------------------------------
if __name__ == '__main__':
main()
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# Copyright 2021-2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# -----------------------------------------------------------------------------
# Imports
# -----------------------------------------------------------------------------
import asyncio
import os
import struct
import logging
import click
from bumble.colors import color
from bumble.device import Device, Peer
from bumble.core import AdvertisingData
from bumble.gatt import Service, Characteristic, CharacteristicValue
from bumble.utils import AsyncRunner
from bumble.transport import open_transport_or_link
from bumble.hci import HCI_Constant
# -----------------------------------------------------------------------------
# Constants
# -----------------------------------------------------------------------------
GG_GATTLINK_SERVICE_UUID = 'ABBAFF00-E56A-484C-B832-8B17CF6CBFE8'
GG_GATTLINK_RX_CHARACTERISTIC_UUID = 'ABBAFF01-E56A-484C-B832-8B17CF6CBFE8'
GG_GATTLINK_TX_CHARACTERISTIC_UUID = 'ABBAFF02-E56A-484C-B832-8B17CF6CBFE8'
GG_GATTLINK_L2CAP_CHANNEL_PSM_CHARACTERISTIC_UUID = (
'ABBAFF03-E56A-484C-B832-8B17CF6CBFE8'
)
GG_PREFERRED_MTU = 256
# -----------------------------------------------------------------------------
class GattlinkL2capEndpoint:
def __init__(self):
self.l2cap_channel = None
self.l2cap_packet = b''
self.l2cap_packet_size = 0
# Called when an L2CAP SDU has been received
def on_coc_sdu(self, sdu):
print(color(f'<<< [L2CAP SDU]: {len(sdu)} bytes', 'cyan'))
while len(sdu):
if self.l2cap_packet_size == 0:
# Expect a new packet
self.l2cap_packet_size = sdu[0] + 1
sdu = sdu[1:]
else:
bytes_needed = self.l2cap_packet_size - len(self.l2cap_packet)
chunk = min(bytes_needed, len(sdu))
self.l2cap_packet += sdu[:chunk]
sdu = sdu[chunk:]
if len(self.l2cap_packet) == self.l2cap_packet_size:
self.on_l2cap_packet(self.l2cap_packet)
self.l2cap_packet = b''
self.l2cap_packet_size = 0
# -----------------------------------------------------------------------------
class GattlinkHubBridge(GattlinkL2capEndpoint, Device.Listener):
def __init__(self, device, peer_address):
super().__init__()
self.device = device
self.peer_address = peer_address
self.peer = None
self.tx_socket = None
self.rx_characteristic = None
self.tx_characteristic = None
self.l2cap_psm_characteristic = None
device.listener = self
async def start(self):
# Connect to the peer
print(f'=== Connecting to {self.peer_address}...')
await self.device.connect(self.peer_address)
async def connect_l2cap(self, psm):
print(color(f'### Connecting with L2CAP on PSM = {psm}', 'yellow'))
try:
self.l2cap_channel = await self.peer.connection.open_l2cap_channel(psm)
print(color('*** Connected', 'yellow'), self.l2cap_channel)
self.l2cap_channel.sink = self.on_coc_sdu
except Exception as error:
print(color(f'!!! Connection failed: {error}', 'red'))
@AsyncRunner.run_in_task()
# pylint: disable=invalid-overridden-method
async def on_connection(self, connection):
print(f'=== Connected to {connection}')
self.peer = Peer(connection)
# Request a larger MTU than the default
server_mtu = await self.peer.request_mtu(GG_PREFERRED_MTU)
print(f'### Server MTU = {server_mtu}')
# Discover all services
print(color('=== Discovering services', 'yellow'))
await self.peer.discover_service(GG_GATTLINK_SERVICE_UUID)
print(color('=== Services discovered', 'yellow'), self.peer.services)
for service in self.peer.services:
print(service)
services = self.peer.get_services_by_uuid(GG_GATTLINK_SERVICE_UUID)
if not services:
print(color('!!! Gattlink service not found', 'red'))
return
# Use the first Gattlink (there should only be one anyway)
gattlink_service = services[0]
# Discover all the characteristics for the service
characteristics = await gattlink_service.discover_characteristics()
print(color('=== Characteristics discovered', 'yellow'))
for characteristic in characteristics:
if characteristic.uuid == GG_GATTLINK_RX_CHARACTERISTIC_UUID:
self.rx_characteristic = characteristic
elif characteristic.uuid == GG_GATTLINK_TX_CHARACTERISTIC_UUID:
self.tx_characteristic = characteristic
elif (
characteristic.uuid == GG_GATTLINK_L2CAP_CHANNEL_PSM_CHARACTERISTIC_UUID
):
self.l2cap_psm_characteristic = characteristic
print('RX:', self.rx_characteristic)
print('TX:', self.tx_characteristic)
print('PSM:', self.l2cap_psm_characteristic)
if self.l2cap_psm_characteristic:
# Subscribe to and then read the PSM value
await self.peer.subscribe(
self.l2cap_psm_characteristic, self.on_l2cap_psm_received
)
psm_bytes = await self.peer.read_value(self.l2cap_psm_characteristic)
psm = struct.unpack('<H', psm_bytes)[0]
await self.connect_l2cap(psm)
elif self.tx_characteristic:
# Subscribe to TX
await self.peer.subscribe(self.tx_characteristic, self.on_tx_received)
print(color('=== Subscribed to Gattlink TX', 'yellow'))
else:
print(color('!!! No Gattlink TX or PSM found', 'red'))
def on_connection_failure(self, error):
print(color(f'!!! Connection failed: {error}'))
def on_disconnection(self, reason):
print(
color(
f'!!! Disconnected from {self.peer}, '
f'reason={HCI_Constant.error_name(reason)}',
'red',
)
)
self.tx_characteristic = None
self.rx_characteristic = None
self.peer = None
# Called when an L2CAP packet has been received
def on_l2cap_packet(self, packet):
print(color(f'<<< [L2CAP PACKET]: {len(packet)} bytes', 'cyan'))
print(color('>>> [UDP]', 'magenta'))
self.tx_socket.sendto(packet)
# Called by the GATT client when a notification is received
def on_tx_received(self, value):
print(color(f'<<< [GATT TX]: {len(value)} bytes', 'cyan'))
if self.tx_socket:
print(color('>>> [UDP]', 'magenta'))
self.tx_socket.sendto(value)
# Called by asyncio when the UDP socket is created
def on_l2cap_psm_received(self, value):
psm = struct.unpack('<H', value)[0]
asyncio.create_task(self.connect_l2cap(psm))
# Called by asyncio when the UDP socket is created
def connection_made(self, transport):
pass
# Called by asyncio when a UDP datagram is received
def datagram_received(self, data, _address):
print(color(f'<<< [UDP]: {len(data)} bytes', 'green'))
if self.l2cap_channel:
print(color('>>> [L2CAP]', 'yellow'))
self.l2cap_channel.write(bytes([len(data) - 1]) + data)
elif self.peer and self.rx_characteristic:
print(color('>>> [GATT RX]', 'yellow'))
asyncio.create_task(self.peer.write_value(self.rx_characteristic, data))
# -----------------------------------------------------------------------------
class GattlinkNodeBridge(GattlinkL2capEndpoint, Device.Listener):
def __init__(self, device):
super().__init__()
self.device = device
self.peer = None
self.tx_socket = None
self.tx_subscriber = None
self.rx_characteristic = None
self.transport = None
# Register as a listener
device.listener = self
# Listen for incoming L2CAP CoC connections
psm = 0xFB
device.register_l2cap_channel_server(0xFB, self.on_coc)
print(f'### Listening for CoC connection on PSM {psm}')
# Setup the Gattlink service
self.rx_characteristic = Characteristic(
GG_GATTLINK_RX_CHARACTERISTIC_UUID,
Characteristic.WRITE_WITHOUT_RESPONSE,
Characteristic.WRITEABLE,
CharacteristicValue(write=self.on_rx_write),
)
self.tx_characteristic = Characteristic(
GG_GATTLINK_TX_CHARACTERISTIC_UUID,
Characteristic.Properties.NOTIFY,
Characteristic.READABLE,
)
self.tx_characteristic.on('subscription', self.on_tx_subscription)
self.psm_characteristic = Characteristic(
GG_GATTLINK_L2CAP_CHANNEL_PSM_CHARACTERISTIC_UUID,
Characteristic.Properties.READ | Characteristic.Properties.NOTIFY,
Characteristic.READABLE,
bytes([psm, 0]),
)
gattlink_service = Service(
GG_GATTLINK_SERVICE_UUID,
[self.rx_characteristic, self.tx_characteristic, self.psm_characteristic],
)
device.add_services([gattlink_service])
device.advertising_data = bytes(
AdvertisingData(
[
(AdvertisingData.COMPLETE_LOCAL_NAME, bytes('Bumble GG', 'utf-8')),
(
AdvertisingData.INCOMPLETE_LIST_OF_128_BIT_SERVICE_CLASS_UUIDS,
bytes(
reversed(bytes.fromhex('ABBAFF00E56A484CB8328B17CF6CBFE8'))
),
),
]
)
)
async def start(self):
await self.device.start_advertising()
# Called by asyncio when the UDP socket is created
def connection_made(self, transport):
self.transport = transport
# Called by asyncio when a UDP datagram is received
def datagram_received(self, data, _address):
print(color(f'<<< [UDP]: {len(data)} bytes', 'green'))
if self.l2cap_channel:
print(color('>>> [L2CAP]', 'yellow'))
self.l2cap_channel.write(bytes([len(data) - 1]) + data)
elif self.tx_subscriber:
print(color('>>> [GATT TX]', 'yellow'))
self.tx_characteristic.value = data
asyncio.create_task(self.device.notify_subscribers(self.tx_characteristic))
# Called when a write to the RX characteristic has been received
def on_rx_write(self, _connection, data):
print(color(f'<<< [GATT RX]: {len(data)} bytes', 'cyan'))
print(color('>>> [UDP]', 'magenta'))
self.tx_socket.sendto(data)
# Called when the subscription to the TX characteristic has changed
def on_tx_subscription(self, peer, enabled):
print(
f'### [GATT TX] subscription from {peer}: '
f'{"enabled" if enabled else "disabled"}'
)
if enabled:
self.tx_subscriber = peer
else:
self.tx_subscriber = None
# Called when an L2CAP packet is received
def on_l2cap_packet(self, packet):
print(color(f'<<< [L2CAP PACKET]: {len(packet)} bytes', 'cyan'))
print(color('>>> [UDP]', 'magenta'))
self.tx_socket.sendto(packet)
# Called when a new connection is established
def on_coc(self, channel):
print('*** CoC Connection', channel)
self.l2cap_channel = channel
channel.sink = self.on_coc_sdu
# -----------------------------------------------------------------------------
async def run(
hci_transport,
device_address,
role_or_peer_address,
send_host,
send_port,
receive_host,
receive_port,
):
print('<<< connecting to HCI...')
async with await open_transport_or_link(hci_transport) as (hci_source, hci_sink):
print('<<< connected')
# Instantiate a bridge object
device = Device.with_hci('Bumble GG', device_address, hci_source, hci_sink)
# Instantiate a bridge object
if role_or_peer_address == 'node':
bridge = GattlinkNodeBridge(device)
else:
bridge = GattlinkHubBridge(device, role_or_peer_address)
# Create a UDP to RX bridge (receive from UDP, send to RX)
loop = asyncio.get_running_loop()
await loop.create_datagram_endpoint(
lambda: bridge, local_addr=(receive_host, receive_port)
)
# Create a UDP to TX bridge (receive from TX, send to UDP)
bridge.tx_socket, _ = await loop.create_datagram_endpoint(
asyncio.DatagramProtocol,
remote_addr=(send_host, send_port),
)
await device.power_on()
await bridge.start()
# Wait until the source terminates
await hci_source.wait_for_termination()
@click.command()
@click.argument('hci_transport')
@click.argument('device_address')
@click.argument('role_or_peer_address')
@click.option(
'-sh', '--send-host', type=str, default='127.0.0.1', help='UDP host to send to'
)
@click.option('-sp', '--send-port', type=int, default=9001, help='UDP port to send to')
@click.option(
'-rh',
'--receive-host',
type=str,
default='127.0.0.1',
help='UDP host to receive on',
)
@click.option(
'-rp', '--receive-port', type=int, default=9000, help='UDP port to receive on'
)
def main(
hci_transport,
device_address,
role_or_peer_address,
send_host,
send_port,
receive_host,
receive_port,
):
asyncio.run(
run(
hci_transport,
device_address,
role_or_peer_address,
send_host,
send_port,
receive_host,
receive_port,
)
)
# -----------------------------------------------------------------------------
logging.basicConfig(level=os.environ.get('BUMBLE_LOGLEVEL', 'WARNING').upper())
if __name__ == '__main__':
main()
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# Copyright 2021-2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# -----------------------------------------------------------------------------
# Imports
# -----------------------------------------------------------------------------
import logging
import asyncio
import os
import sys
from bumble import hci, transport
from bumble.bridge import HCI_Bridge
# -----------------------------------------------------------------------------
# Logging
# -----------------------------------------------------------------------------
logger = logging.getLogger(__name__)
# -----------------------------------------------------------------------------
# Main
# -----------------------------------------------------------------------------
async def async_main():
if len(sys.argv) < 3:
print(
'Usage: hci_bridge.py <host-transport-spec> <controller-transport-spec> '
'[command-short-circuit-list]'
)
print(
'example: python hci_bridge.py udp:0.0.0.0:9000,127.0.0.1:9001 '
'serial:/dev/tty.usbmodem0006839912171,1000000 '
'0x3f:0x0070,0x3f:0x0074,0x3f:0x0077,0x3f:0x0078'
)
return
print('>>> connecting to HCI...')
async with await transport.open_transport_or_link(sys.argv[1]) as (
hci_host_source,
hci_host_sink,
):
print('>>> connected')
print('>>> connecting to HCI...')
async with await transport.open_transport_or_link(sys.argv[2]) as (
hci_controller_source,
hci_controller_sink,
):
print('>>> connected')
command_short_circuits = []
if len(sys.argv) >= 4:
for op_code_str in sys.argv[3].split(','):
if ':' in op_code_str:
ogf, ocf = op_code_str.split(':')
command_short_circuits.append(
hci.hci_command_op_code(int(ogf, 16), int(ocf, 16))
)
else:
command_short_circuits.append(int(op_code_str, 16))
def host_to_controller_filter(hci_packet):
if (
hci_packet.hci_packet_type == hci.HCI_COMMAND_PACKET
and hci_packet.op_code in command_short_circuits
):
# Respond with a success response
logger.debug('short-circuiting packet')
response = hci.HCI_Command_Complete_Event(
num_hci_command_packets=1,
command_opcode=hci_packet.op_code,
return_parameters=bytes([hci.HCI_SUCCESS]),
)
# Return a packet with 'respond to sender' set to True
return (response.to_bytes(), True)
return None
_ = HCI_Bridge(
hci_host_source,
hci_host_sink,
hci_controller_source,
hci_controller_sink,
host_to_controller_filter,
None,
)
await asyncio.get_running_loop().create_future()
# -----------------------------------------------------------------------------
def main():
logging.basicConfig(level=os.environ.get('BUMBLE_LOGLEVEL', 'INFO').upper())
asyncio.run(async_main())
# -----------------------------------------------------------------------------
if __name__ == '__main__':
main()
-351
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@@ -1,351 +0,0 @@
# Copyright 2021-2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# -----------------------------------------------------------------------------
# Imports
# -----------------------------------------------------------------------------
import asyncio
import logging
import os
import click
from bumble.colors import color
from bumble.transport import open_transport_or_link
from bumble.device import Device
from bumble.utils import FlowControlAsyncPipe
from bumble.hci import HCI_Constant
# -----------------------------------------------------------------------------
class ServerBridge:
"""
L2CAP CoC server bridge: waits for a peer to connect an L2CAP CoC channel
on a specified PSM. When the connection is made, the bridge connects a TCP
socket to a remote host and bridges the data in both directions, with flow
control.
When the L2CAP CoC channel is closed, the bridge disconnects the TCP socket
and waits for a new L2CAP CoC channel to be connected.
When the TCP connection is closed by the TCP server, XXXX
"""
def __init__(self, psm, max_credits, mtu, mps, tcp_host, tcp_port):
self.psm = psm
self.max_credits = max_credits
self.mtu = mtu
self.mps = mps
self.tcp_host = tcp_host
self.tcp_port = tcp_port
async def start(self, device):
# Listen for incoming L2CAP CoC connections
device.register_l2cap_channel_server(
psm=self.psm,
server=self.on_coc,
max_credits=self.max_credits,
mtu=self.mtu,
mps=self.mps,
)
print(color(f'### Listening for CoC connection on PSM {self.psm}', 'yellow'))
def on_ble_connection(connection):
def on_ble_disconnection(reason):
print(
color('@@@ Bluetooth disconnection:', 'red'),
HCI_Constant.error_name(reason),
)
print(color('@@@ Bluetooth connection:', 'green'), connection)
connection.on('disconnection', on_ble_disconnection)
device.on('connection', on_ble_connection)
await device.start_advertising(auto_restart=True)
# Called when a new L2CAP connection is established
def on_coc(self, l2cap_channel):
print(color('*** L2CAP channel:', 'cyan'), l2cap_channel)
class Pipe:
def __init__(self, bridge, l2cap_channel):
self.bridge = bridge
self.tcp_transport = None
self.l2cap_channel = l2cap_channel
l2cap_channel.on('close', self.on_l2cap_close)
l2cap_channel.sink = self.on_coc_sdu
async def connect_to_tcp(self):
# Connect to the TCP server
print(
color(
f'### Connecting to TCP {self.bridge.tcp_host}:'
f'{self.bridge.tcp_port}...',
'yellow',
)
)
class TcpClientProtocol(asyncio.Protocol):
def __init__(self, pipe):
self.pipe = pipe
def connection_lost(self, exc):
print(color(f'!!! TCP connection lost: {exc}', 'red'))
if self.pipe.l2cap_channel is not None:
asyncio.create_task(self.pipe.l2cap_channel.disconnect())
def data_received(self, data):
print(color(f'<<< [TCP DATA]: {len(data)} bytes', 'blue'))
self.pipe.l2cap_channel.write(data)
try:
(
self.tcp_transport,
_,
) = await asyncio.get_running_loop().create_connection(
lambda: TcpClientProtocol(self),
host=self.bridge.tcp_host,
port=self.bridge.tcp_port,
)
print(color('### Connected', 'green'))
except Exception as error:
print(color(f'!!! Connection failed: {error}', 'red'))
await self.l2cap_channel.disconnect()
def on_l2cap_close(self):
print(color('*** L2CAP channel closed', 'red'))
self.l2cap_channel = None
if self.tcp_transport is not None:
self.tcp_transport.close()
def on_coc_sdu(self, sdu):
print(color(f'<<< [L2CAP SDU]: {len(sdu)} bytes', 'cyan'))
if self.tcp_transport is None:
print(color('!!! TCP socket not open, dropping', 'red'))
return
self.tcp_transport.write(sdu)
pipe = Pipe(self, l2cap_channel)
asyncio.create_task(pipe.connect_to_tcp())
# -----------------------------------------------------------------------------
class ClientBridge:
"""
L2CAP CoC client bridge: connects to a BLE device, then waits for an inbound
TCP connection on a specified port number. When a TCP client connects, an
L2CAP CoC channel connection to the BLE device is established, and the data
is bridged in both directions, with flow control.
When the TCP connection is closed by the client, the L2CAP CoC channel is
disconnected, but the connection to the BLE device remains, ready for a new
TCP client to connect.
When the L2CAP CoC channel is closed, XXXX
"""
READ_CHUNK_SIZE = 4096
def __init__(self, psm, max_credits, mtu, mps, address, tcp_host, tcp_port):
self.psm = psm
self.max_credits = max_credits
self.mtu = mtu
self.mps = mps
self.address = address
self.tcp_host = tcp_host
self.tcp_port = tcp_port
async def start(self, device):
print(color(f'### Connecting to {self.address}...', 'yellow'))
connection = await device.connect(self.address)
print(color('### Connected', 'green'))
# Called when the BLE connection is disconnected
def on_ble_disconnection(reason):
print(
color('@@@ Bluetooth disconnection:', 'red'),
HCI_Constant.error_name(reason),
)
connection.on('disconnection', on_ble_disconnection)
# Called when a TCP connection is established
async def on_tcp_connection(reader, writer):
peer_name = writer.get_extra_info('peer_name')
print(color(f'<<< TCP connection from {peer_name}', 'magenta'))
def on_coc_sdu(sdu):
print(color(f'<<< [L2CAP SDU]: {len(sdu)} bytes', 'cyan'))
l2cap_to_tcp_pipe.write(sdu)
def on_l2cap_close():
print(color('*** L2CAP channel closed', 'red'))
l2cap_to_tcp_pipe.stop()
writer.close()
# Connect a new L2CAP channel
print(color(f'>>> Opening L2CAP channel on PSM = {self.psm}', 'yellow'))
try:
l2cap_channel = await connection.open_l2cap_channel(
psm=self.psm,
max_credits=self.max_credits,
mtu=self.mtu,
mps=self.mps,
)
print(color('*** L2CAP channel:', 'cyan'), l2cap_channel)
except Exception as error:
print(color(f'!!! Connection failed: {error}', 'red'))
writer.close()
return
l2cap_channel.sink = on_coc_sdu
l2cap_channel.on('close', on_l2cap_close)
# Start a flow control pipe from L2CAP to TCP
l2cap_to_tcp_pipe = FlowControlAsyncPipe(
l2cap_channel.pause_reading,
l2cap_channel.resume_reading,
writer.write,
writer.drain,
)
l2cap_to_tcp_pipe.start()
# Pipe data from TCP to L2CAP
while True:
try:
data = await reader.read(self.READ_CHUNK_SIZE)
if len(data) == 0:
print(color('!!! End of stream', 'red'))
await l2cap_channel.disconnect()
return
print(color(f'<<< [TCP DATA]: {len(data)} bytes', 'blue'))
l2cap_channel.write(data)
await l2cap_channel.drain()
except Exception as error:
print(f'!!! Exception: {error}')
break
writer.close()
print(color('~~~ Bye bye', 'magenta'))
await asyncio.start_server(
on_tcp_connection,
host=self.tcp_host if self.tcp_host != '_' else None,
port=self.tcp_port,
)
print(
color(
f'### Listening for TCP connections on port {self.tcp_port}', 'magenta'
)
)
# -----------------------------------------------------------------------------
async def run(device_config, hci_transport, bridge):
print('<<< connecting to HCI...')
async with await open_transport_or_link(hci_transport) as (hci_source, hci_sink):
print('<<< connected')
device = Device.from_config_file_with_hci(device_config, hci_source, hci_sink)
# Let's go
await device.power_on()
await bridge.start(device)
# Wait until the transport terminates
await hci_source.wait_for_termination()
# -----------------------------------------------------------------------------
@click.group()
@click.pass_context
@click.option('--device-config', help='Device configuration file', required=True)
@click.option('--hci-transport', help='HCI transport', required=True)
@click.option('--psm', help='PSM for L2CAP CoC', type=int, default=1234)
@click.option(
'--l2cap-coc-max-credits',
help='Maximum L2CAP CoC Credits',
type=click.IntRange(1, 65535),
default=128,
)
@click.option(
'--l2cap-coc-mtu',
help='L2CAP CoC MTU',
type=click.IntRange(23, 65535),
default=1022,
)
@click.option(
'--l2cap-coc-mps',
help='L2CAP CoC MPS',
type=click.IntRange(23, 65533),
default=1024,
)
def cli(
context,
device_config,
hci_transport,
psm,
l2cap_coc_max_credits,
l2cap_coc_mtu,
l2cap_coc_mps,
):
context.ensure_object(dict)
context.obj['device_config'] = device_config
context.obj['hci_transport'] = hci_transport
context.obj['psm'] = psm
context.obj['max_credits'] = l2cap_coc_max_credits
context.obj['mtu'] = l2cap_coc_mtu
context.obj['mps'] = l2cap_coc_mps
# -----------------------------------------------------------------------------
@cli.command()
@click.pass_context
@click.option('--tcp-host', help='TCP host', default='localhost')
@click.option('--tcp-port', help='TCP port', default=9544)
def server(context, tcp_host, tcp_port):
bridge = ServerBridge(
context.obj['psm'],
context.obj['max_credits'],
context.obj['mtu'],
context.obj['mps'],
tcp_host,
tcp_port,
)
asyncio.run(run(context.obj['device_config'], context.obj['hci_transport'], bridge))
# -----------------------------------------------------------------------------
@cli.command()
@click.pass_context
@click.argument('bluetooth-address')
@click.option('--tcp-host', help='TCP host', default='_')
@click.option('--tcp-port', help='TCP port', default=9543)
def client(context, bluetooth_address, tcp_host, tcp_port):
bridge = ClientBridge(
context.obj['psm'],
context.obj['max_credits'],
context.obj['mtu'],
context.obj['mps'],
bluetooth_address,
tcp_host,
tcp_port,
)
asyncio.run(run(context.obj['device_config'], context.obj['hci_transport'], bridge))
# -----------------------------------------------------------------------------
logging.basicConfig(level=os.environ.get('BUMBLE_LOGLEVEL', 'WARNING').upper())
if __name__ == '__main__':
cli(obj={}) # pylint: disable=no-value-for-parameter
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@@ -1,289 +0,0 @@
# Copyright 2021-2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ----------------------------------------------------------------------------
# Imports
# ----------------------------------------------------------------------------
import sys
import logging
import json
import asyncio
import argparse
import uuid
import os
from urllib.parse import urlparse
import websockets
from bumble.colors import color
# -----------------------------------------------------------------------------
# Logging
# -----------------------------------------------------------------------------
logger = logging.getLogger(__name__)
# ----------------------------------------------------------------------------
# Constants
# ----------------------------------------------------------------------------
DEFAULT_RELAY_PORT = 10723
# ----------------------------------------------------------------------------
# Utils
# ----------------------------------------------------------------------------
def error_to_json(error):
return json.dumps({'error': error})
def error_to_result(error):
return f'result:{error_to_json(error)}'
async def broadcast_message(message, connections):
# Send to all the connections
tasks = [connection.send_message(message) for connection in connections]
if tasks:
await asyncio.gather(*tasks)
# ----------------------------------------------------------------------------
# Connection class
# ----------------------------------------------------------------------------
class Connection:
"""
A Connection represents a client connected to the relay over a websocket
"""
def __init__(self, room, websocket):
self.room = room
self.websocket = websocket
self.address = str(uuid.uuid4())
async def send_message(self, message):
try:
logger.debug(color(f'->{self.address}: {message}', 'yellow'))
return await self.websocket.send(message)
except websockets.exceptions.WebSocketException as error:
logger.info(f'! client "{self}" disconnected: {error}')
await self.cleanup()
async def send_error(self, error):
return await self.send_message(f'result:{error_to_json(error)}')
async def receive_message(self):
try:
message = await self.websocket.recv()
logger.debug(color(f'<-{self.address}: {message}', 'blue'))
return message
except websockets.exceptions.WebSocketException as error:
logger.info(color(f'! client "{self}" disconnected: {error}', 'red'))
await self.cleanup()
async def cleanup(self):
if self.room:
await self.room.remove_connection(self)
def set_address(self, address):
logger.info(f'Connection address changed: {self.address} -> {address}')
self.address = address
def __str__(self):
return (
f'Connection(address="{self.address}", '
f'client={self.websocket.remote_address[0]}:'
f'{self.websocket.remote_address[1]})'
)
# ----------------------------------------------------------------------------
# Room class
# ----------------------------------------------------------------------------
class Room:
"""
A Room is a collection of bridged connections
"""
def __init__(self, relay, name):
self.relay = relay
self.name = name
self.observers = []
self.connections = []
async def add_connection(self, connection):
logger.info(f'New participant in {self.name}: {connection}')
self.connections.append(connection)
await self.broadcast_message(connection, f'joined:{connection.address}')
async def remove_connection(self, connection):
if connection in self.connections:
self.connections.remove(connection)
await self.broadcast_message(connection, f'left:{connection.address}')
def find_connections_by_address(self, address):
return [c for c in self.connections if c.address == address]
async def bridge_connection(self, connection):
while True:
# Wait for a message
message = await connection.receive_message()
# Skip empty messages
if message is None:
return
# Parse the message to decide how to handle it
if message.startswith('@'):
# This is a targeted message
await self.on_targeted_message(connection, message)
elif message.startswith('/'):
# This is an RPC request
await self.on_rpc_request(connection, message)
else:
await connection.send_message(
f'result:{error_to_json("error: invalid message")}'
)
async def broadcast_message(self, sender, message):
'''
Send to all connections in the room except back to the sender
'''
await broadcast_message(message, [c for c in self.connections if c != sender])
async def on_rpc_request(self, connection, message):
command, *params = message.split(' ', 1)
if handler := getattr(
self, f'on_{command[1:].lower().replace("-","_")}_command', None
):
try:
result = await handler(connection, params)
except Exception as error:
result = error_to_result(error)
else:
result = error_to_result('unknown command')
await connection.send_message(result or 'result:{}')
async def on_targeted_message(self, connection, message):
target, *payload = message.split(' ', 1)
if not payload:
return error_to_json('missing arguments')
payload = payload[0]
target = target[1:]
# Determine what targets to send to
if target == '*':
# Send to all connections in the room except the connection from which the
# message was received
connections = [c for c in self.connections if c != connection]
else:
connections = self.find_connections_by_address(target)
if not connections:
# Unicast with no recipient, let the sender know
await connection.send_message(f'unreachable:{target}')
# Send to targets
await broadcast_message(f'message:{connection.address}/{payload}', connections)
async def on_set_address_command(self, connection, params):
if not params:
return error_to_result('missing address')
current_address = connection.address
new_address = params[0]
connection.set_address(new_address)
await self.broadcast_message(
connection, f'address-changed:from={current_address},to={new_address}'
)
# ----------------------------------------------------------------------------
class Relay:
"""
A relay accepts connections with the following url: ws://<hostname>/<room>.
Participants in a room can communicate with each other
"""
def __init__(self, port):
self.port = port
self.rooms = {}
self.observers = []
def start(self):
logger.info(f'Starting Relay on port {self.port}')
# pylint: disable-next=no-member
return websockets.serve(self.serve, '0.0.0.0', self.port, ping_interval=None)
async def serve_as_controller(self, connection):
pass
async def serve(self, websocket, path):
logger.debug(f'New connection with path {path}')
# Parse the path
parsed = urlparse(path)
# Check if this is a controller client
if parsed.path == '/':
return await self.serve_as_controller(Connection('', websocket))
# Find or create a room for this connection
room_name = parsed.path[1:].split('/')[0]
if room_name not in self.rooms:
self.rooms[room_name] = Room(self, room_name)
room = self.rooms[room_name]
# Add the connection to the room
connection = Connection(room, websocket)
await room.add_connection(connection)
# Bridge until the connection is closed
await room.bridge_connection(connection)
# ----------------------------------------------------------------------------
def main():
# Check the Python version
if sys.version_info < (3, 6, 1):
print('ERROR: Python 3.6.1 or higher is required')
sys.exit(1)
logging.basicConfig(level=os.environ.get('BUMBLE_LOGLEVEL', 'INFO').upper())
# Parse arguments
arg_parser = argparse.ArgumentParser(description='Bumble Link Relay')
arg_parser.add_argument('--log-level', default='INFO', help='logger level')
arg_parser.add_argument('--log-config', help='logger config file (YAML)')
arg_parser.add_argument(
'--port', type=int, default=DEFAULT_RELAY_PORT, help='Port to listen on'
)
args = arg_parser.parse_args()
# Setup logger
if args.log_config:
from logging import config # pylint: disable=import-outside-toplevel
config.fileConfig(args.log_config)
else:
logging.basicConfig(level=getattr(logging, args.log_level.upper()))
# Start a relay
relay = Relay(args.port)
asyncio.get_event_loop().run_until_complete(relay.start())
asyncio.get_event_loop().run_forever()
# ----------------------------------------------------------------------------
if __name__ == '__main__':
main()
-21
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@@ -1,21 +0,0 @@
[loggers]
keys=root
[handlers]
keys=stream_handler
[formatters]
keys=formatter
[logger_root]
level=DEBUG
handlers=stream_handler
[handler_stream_handler]
class=StreamHandler
level=DEBUG
formatter=formatter
args=(sys.stderr,)
[formatter_formatter]
format=%(asctime)s %(name)-12s %(levelname)-8s %(message)s
-480
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@@ -1,480 +0,0 @@
# Copyright 2021-2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# -----------------------------------------------------------------------------
# Imports
# -----------------------------------------------------------------------------
import asyncio
import os
import logging
import click
from prompt_toolkit.shortcuts import PromptSession
from bumble.colors import color
from bumble.device import Device, Peer
from bumble.transport import open_transport_or_link
from bumble.pairing import PairingDelegate, PairingConfig
from bumble.smp import error_name as smp_error_name
from bumble.keys import JsonKeyStore
from bumble.core import ProtocolError
from bumble.gatt import (
GATT_DEVICE_NAME_CHARACTERISTIC,
GATT_GENERIC_ACCESS_SERVICE,
Service,
Characteristic,
CharacteristicValue,
)
from bumble.att import (
ATT_Error,
ATT_INSUFFICIENT_AUTHENTICATION_ERROR,
ATT_INSUFFICIENT_ENCRYPTION_ERROR,
)
# -----------------------------------------------------------------------------
class Waiter:
instance = None
def __init__(self):
self.done = asyncio.get_running_loop().create_future()
def terminate(self):
self.done.set_result(None)
async def wait_until_terminated(self):
return await self.done
# -----------------------------------------------------------------------------
class Delegate(PairingDelegate):
def __init__(self, mode, connection, capability_string, do_prompt):
super().__init__(
{
'keyboard': PairingDelegate.KEYBOARD_INPUT_ONLY,
'display': PairingDelegate.DISPLAY_OUTPUT_ONLY,
'display+keyboard': PairingDelegate.DISPLAY_OUTPUT_AND_KEYBOARD_INPUT,
'display+yes/no': PairingDelegate.DISPLAY_OUTPUT_AND_YES_NO_INPUT,
'none': PairingDelegate.NO_OUTPUT_NO_INPUT,
}[capability_string.lower()]
)
self.mode = mode
self.peer = Peer(connection)
self.peer_name = None
self.do_prompt = do_prompt
def print(self, message):
print(color(message, 'yellow'))
async def prompt(self, message):
# Wait a bit to allow some of the log lines to print before we prompt
await asyncio.sleep(1)
session = PromptSession(message)
response = await session.prompt_async()
return response.lower().strip()
async def update_peer_name(self):
if self.peer_name is not None:
# We already asked the peer
return
# Try to get the peer's name
if self.peer:
peer_name = await get_peer_name(self.peer, self.mode)
self.peer_name = f'{peer_name or ""} [{self.peer.connection.peer_address}]'
else:
self.peer_name = '[?]'
async def accept(self):
if self.do_prompt:
await self.update_peer_name()
# Prompt for acceptance
self.print('###-----------------------------------')
self.print(f'### Pairing request from {self.peer_name}')
self.print('###-----------------------------------')
while True:
response = await self.prompt('>>> Accept? ')
if response == 'yes':
return True
if response == 'no':
return False
# Accept silently
return True
async def compare_numbers(self, number, digits):
await self.update_peer_name()
# Prompt for a numeric comparison
self.print('###-----------------------------------')
self.print(f'### Pairing with {self.peer_name}')
self.print('###-----------------------------------')
while True:
response = await self.prompt(
f'>>> Does the other device display {number:0{digits}}? '
)
if response == 'yes':
return True
if response == 'no':
return False
async def get_number(self):
await self.update_peer_name()
# Prompt for a PIN
while True:
try:
self.print('###-----------------------------------')
self.print(f'### Pairing with {self.peer_name}')
self.print('###-----------------------------------')
return int(await self.prompt('>>> Enter PIN: '))
except ValueError:
pass
async def display_number(self, number, digits):
await self.update_peer_name()
# Display a PIN code
self.print('###-----------------------------------')
self.print(f'### Pairing with {self.peer_name}')
self.print(f'### PIN: {number:0{digits}}')
self.print('###-----------------------------------')
async def get_string(self, max_length: int):
await self.update_peer_name()
# Prompt a PIN (for legacy pairing in classic)
self.print('###-----------------------------------')
self.print(f'### Pairing with {self.peer_name}')
self.print('###-----------------------------------')
count = 0
while True:
response = await self.prompt('>>> Enter PIN (1-6 chars):')
if len(response) == 0:
count += 1
if count > 3:
self.print('too many tries, stopping the pairing')
return None
self.print('no PIN was entered, try again')
continue
return response
# -----------------------------------------------------------------------------
async def get_peer_name(peer, mode):
if mode == 'classic':
return await peer.request_name()
# Try to get the peer name from GATT
services = await peer.discover_service(GATT_GENERIC_ACCESS_SERVICE)
if not services:
return None
values = await peer.read_characteristics_by_uuid(
GATT_DEVICE_NAME_CHARACTERISTIC, services[0]
)
if values:
return values[0].decode('utf-8')
return None
# -----------------------------------------------------------------------------
AUTHENTICATION_ERROR_RETURNED = [False, False]
def read_with_error(connection):
if not connection.is_encrypted:
raise ATT_Error(ATT_INSUFFICIENT_ENCRYPTION_ERROR)
if AUTHENTICATION_ERROR_RETURNED[0]:
return bytes([1])
AUTHENTICATION_ERROR_RETURNED[0] = True
raise ATT_Error(ATT_INSUFFICIENT_AUTHENTICATION_ERROR)
def write_with_error(connection, _value):
if not connection.is_encrypted:
raise ATT_Error(ATT_INSUFFICIENT_ENCRYPTION_ERROR)
if not AUTHENTICATION_ERROR_RETURNED[1]:
AUTHENTICATION_ERROR_RETURNED[1] = True
raise ATT_Error(ATT_INSUFFICIENT_AUTHENTICATION_ERROR)
# -----------------------------------------------------------------------------
def on_connection(connection, request):
print(color(f'<<< Connection: {connection}', 'green'))
# Listen for pairing events
connection.on('pairing_start', on_pairing_start)
connection.on('pairing', lambda keys: on_pairing(connection.peer_address, keys))
connection.on('pairing_failure', on_pairing_failure)
# Listen for encryption changes
connection.on(
'connection_encryption_change',
lambda: on_connection_encryption_change(connection),
)
# Request pairing if needed
if request:
print(color('>>> Requesting pairing', 'green'))
connection.request_pairing()
# -----------------------------------------------------------------------------
def on_connection_encryption_change(connection):
print(color('@@@-----------------------------------', 'blue'))
print(
color(
f'@@@ Connection is {"" if connection.is_encrypted else "not"}encrypted',
'blue',
)
)
print(color('@@@-----------------------------------', 'blue'))
# -----------------------------------------------------------------------------
def on_pairing_start():
print(color('***-----------------------------------', 'magenta'))
print(color('*** Pairing starting', 'magenta'))
print(color('***-----------------------------------', 'magenta'))
# -----------------------------------------------------------------------------
def on_pairing(address, keys):
print(color('***-----------------------------------', 'cyan'))
print(color(f'*** Paired! (peer identity={address})', 'cyan'))
keys.print(prefix=color('*** ', 'cyan'))
print(color('***-----------------------------------', 'cyan'))
Waiter.instance.terminate()
# -----------------------------------------------------------------------------
def on_pairing_failure(reason):
print(color('***-----------------------------------', 'red'))
print(color(f'*** Pairing failed: {smp_error_name(reason)}', 'red'))
print(color('***-----------------------------------', 'red'))
Waiter.instance.terminate()
# -----------------------------------------------------------------------------
async def pair(
mode,
sc,
mitm,
bond,
ctkd,
io,
prompt,
request,
print_keys,
keystore_file,
device_config,
hci_transport,
address_or_name,
):
Waiter.instance = Waiter()
print('<<< connecting to HCI...')
async with await open_transport_or_link(hci_transport) as (hci_source, hci_sink):
print('<<< connected')
# Create a device to manage the host
device = Device.from_config_file_with_hci(device_config, hci_source, hci_sink)
# Expose a GATT characteristic that can be used to trigger pairing by
# responding with an authentication error when read
if mode == 'le':
device.add_service(
Service(
'50DB505C-8AC4-4738-8448-3B1D9CC09CC5',
[
Characteristic(
'552957FB-CF1F-4A31-9535-E78847E1A714',
Characteristic.Properties.READ
| Characteristic.Properties.WRITE,
Characteristic.READABLE | Characteristic.WRITEABLE,
CharacteristicValue(
read=read_with_error, write=write_with_error
),
)
],
)
)
# Select LE or Classic
if mode == 'classic':
device.classic_enabled = True
device.le_enabled = False
device.classic_smp_enabled = ctkd
# Get things going
await device.power_on()
# Set a custom keystore if specified on the command line
if keystore_file:
device.keystore = JsonKeyStore.from_device(device, filename=keystore_file)
# Print the existing keys before pairing
if print_keys and device.keystore:
print(color('@@@-----------------------------------', 'blue'))
print(color('@@@ Pairing Keys:', 'blue'))
await device.keystore.print(prefix=color('@@@ ', 'blue'))
print(color('@@@-----------------------------------', 'blue'))
# Set up a pairing config factory
device.pairing_config_factory = lambda connection: PairingConfig(
sc, mitm, bond, Delegate(mode, connection, io, prompt)
)
# Connect to a peer or wait for a connection
device.on('connection', lambda connection: on_connection(connection, request))
if address_or_name is not None:
print(color(f'=== Connecting to {address_or_name}...', 'green'))
connection = await device.connect(address_or_name)
if not request:
try:
if mode == 'le':
await connection.pair()
else:
await connection.authenticate()
return
except ProtocolError as error:
print(color(f'Pairing failed: {error}', 'red'))
return
else:
if mode == 'le':
# Advertise so that peers can find us and connect
await device.start_advertising(auto_restart=True)
else:
# Become discoverable and connectable
await device.set_discoverable(True)
await device.set_connectable(True)
# Run until the user asks to exit
await Waiter.instance.wait_until_terminated()
# -----------------------------------------------------------------------------
class LogHandler(logging.Handler):
def __init__(self):
super().__init__()
self.setFormatter(logging.Formatter('%(levelname)s:%(name)s:%(message)s'))
def emit(self, record):
message = self.format(record)
print(message)
# -----------------------------------------------------------------------------
@click.command()
@click.option(
'--mode', type=click.Choice(['le', 'classic']), default='le', show_default=True
)
@click.option(
'--sc',
type=bool,
default=True,
help='Use the Secure Connections protocol',
show_default=True,
)
@click.option(
'--mitm', type=bool, default=True, help='Request MITM protection', show_default=True
)
@click.option(
'--bond', type=bool, default=True, help='Enable bonding', show_default=True
)
@click.option(
'--ctkd',
type=bool,
default=True,
help='Enable CTKD',
show_default=True,
)
@click.option(
'--io',
type=click.Choice(
['keyboard', 'display', 'display+keyboard', 'display+yes/no', 'none']
),
default='display+keyboard',
show_default=True,
)
@click.option('--prompt', is_flag=True, help='Prompt to accept/reject pairing request')
@click.option(
'--request', is_flag=True, help='Request that the connecting peer initiate pairing'
)
@click.option('--print-keys', is_flag=True, help='Print the bond keys before pairing')
@click.option(
'--keystore-file',
metavar='<filename>',
help='File in which to store the pairing keys',
)
@click.argument('device-config')
@click.argument('hci_transport')
@click.argument('address-or-name', required=False)
def main(
mode,
sc,
mitm,
bond,
ctkd,
io,
prompt,
request,
print_keys,
keystore_file,
device_config,
hci_transport,
address_or_name,
):
# Setup logging
log_handler = LogHandler()
root_logger = logging.getLogger()
root_logger.addHandler(log_handler)
root_logger.setLevel(os.environ.get('BUMBLE_LOGLEVEL', 'INFO').upper())
# Pair
asyncio.run(
pair(
mode,
sc,
mitm,
bond,
ctkd,
io,
prompt,
request,
print_keys,
keystore_file,
device_config,
hci_transport,
address_or_name,
)
)
# -----------------------------------------------------------------------------
if __name__ == '__main__':
main()
-51
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@@ -1,51 +0,0 @@
import asyncio
import click
import logging
import json
from bumble.pandora import PandoraDevice, Config, serve
from typing import Dict, Any
BUMBLE_SERVER_GRPC_PORT = 7999
ROOTCANAL_PORT_CUTTLEFISH = 7300
@click.command()
@click.option('--grpc-port', help='gRPC port to serve', default=BUMBLE_SERVER_GRPC_PORT)
@click.option(
'--rootcanal-port', help='Rootcanal TCP port', default=ROOTCANAL_PORT_CUTTLEFISH
)
@click.option(
'--transport',
help='HCI transport',
default=f'tcp-client:127.0.0.1:<rootcanal-port>',
)
@click.option(
'--config',
help='Bumble json configuration file',
)
def main(grpc_port: int, rootcanal_port: int, transport: str, config: str) -> None:
if '<rootcanal-port>' in transport:
transport = transport.replace('<rootcanal-port>', str(rootcanal_port))
bumble_config = retrieve_config(config)
bumble_config.setdefault('transport', transport)
device = PandoraDevice(bumble_config)
server_config = Config()
server_config.load_from_dict(bumble_config.get('server', {}))
logging.basicConfig(level=logging.DEBUG)
asyncio.run(serve(device, config=server_config, port=grpc_port))
def retrieve_config(config: str) -> Dict[str, Any]:
if not config:
return {}
with open(config, 'r') as f:
return json.load(f)
if __name__ == '__main__':
main() # pylint: disable=no-value-for-parameter
-224
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@@ -1,224 +0,0 @@
# Copyright 2021-2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# -----------------------------------------------------------------------------
# Imports
# -----------------------------------------------------------------------------
import asyncio
import os
import logging
import click
from bumble.colors import color
from bumble.device import Device
from bumble.transport import open_transport_or_link
from bumble.keys import JsonKeyStore
from bumble.smp import AddressResolver
from bumble.device import Advertisement
from bumble.hci import HCI_Constant, HCI_LE_1M_PHY, HCI_LE_CODED_PHY
# -----------------------------------------------------------------------------
def make_rssi_bar(rssi):
DISPLAY_MIN_RSSI = -105
DISPLAY_MAX_RSSI = -30
DEFAULT_RSSI_BAR_WIDTH = 30
blocks = ['', '', '', '', '', '', '', '']
bar_width = (rssi - DISPLAY_MIN_RSSI) / (DISPLAY_MAX_RSSI - DISPLAY_MIN_RSSI)
bar_width = min(max(bar_width, 0), 1)
bar_ticks = int(bar_width * DEFAULT_RSSI_BAR_WIDTH * 8)
return ('' * int(bar_ticks / 8)) + blocks[bar_ticks % 8]
# -----------------------------------------------------------------------------
class AdvertisementPrinter:
def __init__(self, min_rssi, resolver):
self.min_rssi = min_rssi
self.resolver = resolver
def print_advertisement(self, advertisement):
address = advertisement.address
address_color = 'yellow' if advertisement.is_connectable else 'red'
if self.min_rssi is not None and advertisement.rssi < self.min_rssi:
return
address_qualifier = ''
resolution_qualifier = ''
if self.resolver and advertisement.address.is_resolvable:
resolved = self.resolver.resolve(advertisement.address)
if resolved is not None:
resolution_qualifier = f'(resolved from {advertisement.address})'
address = resolved
address_type_string = ('PUBLIC', 'RANDOM', 'PUBLIC_ID', 'RANDOM_ID')[
address.address_type
]
if address.is_public:
type_color = 'cyan'
else:
if address.is_static:
type_color = 'green'
address_qualifier = '(static)'
elif address.is_resolvable:
type_color = 'magenta'
address_qualifier = '(resolvable)'
else:
type_color = 'blue'
address_qualifier = '(non-resolvable)'
separator = '\n '
rssi_bar = make_rssi_bar(advertisement.rssi)
if not advertisement.is_legacy:
phy_info = (
f'PHY: {HCI_Constant.le_phy_name(advertisement.primary_phy)}/'
f'{HCI_Constant.le_phy_name(advertisement.secondary_phy)} '
f'{separator}'
)
else:
phy_info = ''
print(
f'>>> {color(address, address_color)} '
f'[{color(address_type_string, type_color)}]{address_qualifier}'
f'{resolution_qualifier}:{separator}'
f'{phy_info}'
f'RSSI:{advertisement.rssi:4} {rssi_bar}{separator}'
f'{advertisement.data.to_string(separator)}\n'
)
def on_advertisement(self, advertisement):
self.print_advertisement(advertisement)
def on_advertising_report(self, report):
print(f'{color("EVENT", "green")}: {report.event_type_string()}')
self.print_advertisement(Advertisement.from_advertising_report(report))
# -----------------------------------------------------------------------------
async def scan(
min_rssi,
passive,
scan_interval,
scan_window,
phy,
filter_duplicates,
raw,
keystore_file,
device_config,
transport,
):
print('<<< connecting to HCI...')
async with await open_transport_or_link(transport) as (hci_source, hci_sink):
print('<<< connected')
if device_config:
device = Device.from_config_file_with_hci(
device_config, hci_source, hci_sink
)
else:
device = Device.with_hci(
'Bumble', 'F0:F1:F2:F3:F4:F5', hci_source, hci_sink
)
await device.power_on()
if keystore_file:
device.keystore = JsonKeyStore.from_device(device, filename=keystore_file)
if device.keystore:
resolving_keys = await device.keystore.get_resolving_keys()
resolver = AddressResolver(resolving_keys)
else:
resolver = None
printer = AdvertisementPrinter(min_rssi, resolver)
if raw:
device.host.on('advertising_report', printer.on_advertising_report)
else:
device.on('advertisement', printer.on_advertisement)
if phy is None:
scanning_phys = [HCI_LE_1M_PHY, HCI_LE_CODED_PHY]
else:
scanning_phys = [{'1m': HCI_LE_1M_PHY, 'coded': HCI_LE_CODED_PHY}[phy]]
await device.start_scanning(
active=(not passive),
scan_interval=scan_interval,
scan_window=scan_window,
filter_duplicates=filter_duplicates,
scanning_phys=scanning_phys,
)
await hci_source.wait_for_termination()
# -----------------------------------------------------------------------------
@click.command()
@click.option('--min-rssi', type=int, help='Minimum RSSI value')
@click.option('--passive', is_flag=True, default=False, help='Perform passive scanning')
@click.option('--scan-interval', type=int, default=60, help='Scan interval')
@click.option('--scan-window', type=int, default=60, help='Scan window')
@click.option(
'--phy', type=click.Choice(['1m', 'coded']), help='Only scan on the specified PHY'
)
@click.option(
'--filter-duplicates',
type=bool,
default=True,
help='Filter duplicates at the controller level',
)
@click.option(
'--raw',
is_flag=True,
default=False,
help='Listen for raw advertising reports instead of processed ones',
)
@click.option('--keystore-file', help='Keystore file to use when resolving addresses')
@click.option('--device-config', help='Device config file for the scanning device')
@click.argument('transport')
def main(
min_rssi,
passive,
scan_interval,
scan_window,
phy,
filter_duplicates,
raw,
keystore_file,
device_config,
transport,
):
logging.basicConfig(level=os.environ.get('BUMBLE_LOGLEVEL', 'WARNING').upper())
asyncio.run(
scan(
min_rssi,
passive,
scan_interval,
scan_window,
phy,
filter_duplicates,
raw,
keystore_file,
device_config,
transport,
)
)
# -----------------------------------------------------------------------------
if __name__ == '__main__':
main()
-145
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@@ -1,145 +0,0 @@
# Copyright 2021-2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# -----------------------------------------------------------------------------
# Imports
# -----------------------------------------------------------------------------
import struct
import click
from bumble.colors import color
from bumble import hci
from bumble.transport.common import PacketReader
from bumble.helpers import PacketTracer
# -----------------------------------------------------------------------------
class SnoopPacketReader:
'''
Reader that reads HCI packets from a "snoop" file (based on RFC 1761, but not
exactly the same...)
'''
DATALINK_H1 = 1001
DATALINK_H4 = 1002
DATALINK_BSCP = 1003
DATALINK_H5 = 1004
def __init__(self, source):
self.source = source
# Read the header
identification_pattern = source.read(8)
if identification_pattern.hex().lower() != '6274736e6f6f7000':
raise ValueError(
'not a valid snoop file, unexpected identification pattern'
)
(self.version_number, self.data_link_type) = struct.unpack(
'>II', source.read(8)
)
if self.data_link_type not in (self.DATALINK_H4, self.DATALINK_H1):
raise ValueError(f'datalink type {self.data_link_type} not supported')
def next_packet(self):
# Read the record header
header = self.source.read(24)
if len(header) < 24:
return (0, None)
(
original_length,
included_length,
packet_flags,
_cumulative_drops,
_timestamp_seconds,
_timestamp_microsecond,
) = struct.unpack('>IIIIII', header)
# Abort on truncated packets
if original_length != included_length:
return (0, None)
if self.data_link_type == self.DATALINK_H1:
# The packet is un-encapsulated, look at the flags to figure out its type
if packet_flags & 1:
# Controller -> Host
if packet_flags & 2:
packet_type = hci.HCI_EVENT_PACKET
else:
packet_type = hci.HCI_ACL_DATA_PACKET
else:
# Host -> Controller
if packet_flags & 2:
packet_type = hci.HCI_COMMAND_PACKET
else:
packet_type = hci.HCI_ACL_DATA_PACKET
return (
packet_flags & 1,
bytes([packet_type]) + self.source.read(included_length),
)
return (packet_flags & 1, self.source.read(included_length))
# -----------------------------------------------------------------------------
# Main
# -----------------------------------------------------------------------------
@click.command()
@click.option(
'--format',
type=click.Choice(['h4', 'snoop']),
default='h4',
help='Format of the input file',
)
@click.option(
'--vendors',
type=click.Choice(['android', 'zephyr']),
multiple=True,
help='Support vendor-specific commands (list one or more)',
)
@click.argument('filename')
# pylint: disable=redefined-builtin
def main(format, vendors, filename):
for vendor in vendors:
if vendor == 'android':
import bumble.vendor.android.hci
elif vendor == 'zephyr':
import bumble.vendor.zephyr.hci
input = open(filename, 'rb')
if format == 'h4':
packet_reader = PacketReader(input)
def read_next_packet():
return (0, packet_reader.next_packet())
else:
packet_reader = SnoopPacketReader(input)
read_next_packet = packet_reader.next_packet
tracer = PacketTracer(emit_message=print)
while True:
try:
(direction, packet) = read_next_packet()
if packet is None:
break
tracer.trace(hci.HCI_Packet.from_bytes(packet), direction)
except Exception as error:
print(color(f'!!! {error}', 'red'))
# -----------------------------------------------------------------------------
if __name__ == '__main__':
main() # pylint: disable=no-value-for-parameter
View File
-76
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@@ -1,76 +0,0 @@
body, h1, h2, h3, h4, h5, h6 {
font-family: sans-serif;
}
#controlsDiv {
margin: 6px;
}
#connectionText {
background-color: rgb(239, 89, 75);
border: none;
border-radius: 4px;
padding: 8px;
display: inline-block;
margin: 4px;
}
#startButton {
padding: 4px;
margin: 6px;
}
#fftCanvas {
border-radius: 16px;
margin: 6px;
}
#bandwidthCanvas {
border: grey;
border-style: solid;
border-radius: 8px;
margin: 6px;
}
#streamStateText {
background-color: rgb(93, 165, 93);
border: none;
border-radius: 8px;
padding: 10px 20px;
display: inline-block;
margin: 6px;
}
#connectionStateText {
background-color: rgb(112, 146, 206);
border: none;
border-radius: 8px;
padding: 10px 20px;
display: inline-block;
margin: 6px;
}
#propertiesTable {
border: grey;
border-style: solid;
border-radius: 4px;
padding: 4px;
margin: 6px;
margin-left: 0;
}
th, td {
padding-left: 6px;
padding-right: 6px;
}
.properties td:nth-child(even) {
background-color: #d6eeee;
font-family: monospace;
}
.properties td:nth-child(odd) {
font-weight: bold;
}
.properties tr td:nth-child(2) { width: 150px; }
-34
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@@ -1,34 +0,0 @@
<!DOCTYPE html>
<html>
<head>
<title>Bumble Speaker</title>
<script src="speaker.js"></script>
<link rel="stylesheet" href="speaker.css">
</head>
<body>
<h1><img src="logo.svg" width=100 height=100 style="vertical-align:middle" alt=""/>Bumble Virtual Speaker</h1>
<div id="connectionText"></div>
<div id="speaker">
<table><tr>
<td>
<table id="propertiesTable" class="properties">
<tr><td>Codec</td><td><span id="codecText"></span></td></tr>
<tr><td>Packets</td><td><span id="packetsReceivedText"></span></td></tr>
<tr><td>Bytes</td><td><span id="bytesReceivedText"></span></td></tr>
</table>
</td>
<td>
<canvas id="bandwidthCanvas" width="500", height="100">Bandwidth Graph</canvas>
</td>
</tr></table>
<span id="streamStateText">IDLE</span>
<span id="connectionStateText">NOT CONNECTED</span>
<div id="controlsDiv">
<button id="audioOnButton">Audio On</button>
<span id="audioSupportMessageText"></span>
</div>
<canvas id="fftCanvas" width="1024", height="300">Audio Frequencies Animation</canvas>
<audio id="audio"></audio>
</div>
</body>
</html>
-315
View File
@@ -1,315 +0,0 @@
(function () {
'use strict';
const channelUrl = ((window.location.protocol === "https:") ? "wss://" : "ws://") + window.location.host + "/channel";
let channelSocket;
let connectionText;
let codecText;
let packetsReceivedText;
let bytesReceivedText;
let streamStateText;
let connectionStateText;
let controlsDiv;
let audioOnButton;
let mediaSource;
let sourceBuffer;
let audioElement;
let audioContext;
let audioAnalyzer;
let audioFrequencyBinCount;
let audioFrequencyData;
let packetsReceived = 0;
let bytesReceived = 0;
let audioState = "stopped";
let streamState = "IDLE";
let audioSupportMessageText;
let fftCanvas;
let fftCanvasContext;
let bandwidthCanvas;
let bandwidthCanvasContext;
let bandwidthBinCount;
let bandwidthBins = [];
const FFT_WIDTH = 800;
const FFT_HEIGHT = 256;
const BANDWIDTH_WIDTH = 500;
const BANDWIDTH_HEIGHT = 100;
function hexToBytes(hex) {
return Uint8Array.from(hex.match(/.{1,2}/g).map((byte) => parseInt(byte, 16)));
}
function init() {
initUI();
initMediaSource();
initAudioElement();
initAnalyzer();
connect();
}
function initUI() {
controlsDiv = document.getElementById("controlsDiv");
controlsDiv.style.visibility = "hidden";
connectionText = document.getElementById("connectionText");
audioOnButton = document.getElementById("audioOnButton");
codecText = document.getElementById("codecText");
packetsReceivedText = document.getElementById("packetsReceivedText");
bytesReceivedText = document.getElementById("bytesReceivedText");
streamStateText = document.getElementById("streamStateText");
connectionStateText = document.getElementById("connectionStateText");
audioSupportMessageText = document.getElementById("audioSupportMessageText");
audioOnButton.onclick = () => startAudio();
setConnectionText("");
requestAnimationFrame(onAnimationFrame);
}
function initMediaSource() {
mediaSource = new MediaSource();
mediaSource.onsourceopen = onMediaSourceOpen;
mediaSource.onsourceclose = onMediaSourceClose;
mediaSource.onsourceended = onMediaSourceEnd;
}
function initAudioElement() {
audioElement = document.getElementById("audio");
audioElement.src = URL.createObjectURL(mediaSource);
// audioElement.controls = true;
}
function initAnalyzer() {
fftCanvas = document.getElementById("fftCanvas");
fftCanvas.width = FFT_WIDTH
fftCanvas.height = FFT_HEIGHT
fftCanvasContext = fftCanvas.getContext('2d');
fftCanvasContext.fillStyle = "rgb(0, 0, 0)";
fftCanvasContext.fillRect(0, 0, FFT_WIDTH, FFT_HEIGHT);
bandwidthCanvas = document.getElementById("bandwidthCanvas");
bandwidthCanvas.width = BANDWIDTH_WIDTH
bandwidthCanvas.height = BANDWIDTH_HEIGHT
bandwidthCanvasContext = bandwidthCanvas.getContext('2d');
bandwidthCanvasContext.fillStyle = "rgb(255, 255, 255)";
bandwidthCanvasContext.fillRect(0, 0, BANDWIDTH_WIDTH, BANDWIDTH_HEIGHT);
}
function startAnalyzer() {
// FFT
if (audioElement.captureStream !== undefined) {
audioContext = new AudioContext();
audioAnalyzer = audioContext.createAnalyser();
audioAnalyzer.fftSize = 128;
audioFrequencyBinCount = audioAnalyzer.frequencyBinCount;
audioFrequencyData = new Uint8Array(audioFrequencyBinCount);
const stream = audioElement.captureStream();
const source = audioContext.createMediaStreamSource(stream);
source.connect(audioAnalyzer);
}
// Bandwidth
bandwidthBinCount = BANDWIDTH_WIDTH / 2;
bandwidthBins = [];
}
function setConnectionText(message) {
connectionText.innerText = message;
if (message.length == 0) {
connectionText.style.display = "none";
} else {
connectionText.style.display = "inline-block";
}
}
function setStreamState(state) {
streamState = state;
streamStateText.innerText = streamState;
}
function onAnimationFrame() {
// FFT
if (audioAnalyzer !== undefined) {
audioAnalyzer.getByteFrequencyData(audioFrequencyData);
fftCanvasContext.fillStyle = "rgb(0, 0, 0)";
fftCanvasContext.fillRect(0, 0, FFT_WIDTH, FFT_HEIGHT);
const barCount = audioFrequencyBinCount;
const barWidth = (FFT_WIDTH / audioFrequencyBinCount) - 1;
for (let bar = 0; bar < barCount; bar++) {
const barHeight = audioFrequencyData[bar];
fftCanvasContext.fillStyle = `rgb(${barHeight / 256 * 200 + 50}, 50, ${50 + 2 * bar})`;
fftCanvasContext.fillRect(bar * (barWidth + 1), FFT_HEIGHT - barHeight, barWidth, barHeight);
}
}
// Bandwidth
bandwidthCanvasContext.fillStyle = "rgb(255, 255, 255)";
bandwidthCanvasContext.fillRect(0, 0, BANDWIDTH_WIDTH, BANDWIDTH_HEIGHT);
bandwidthCanvasContext.fillStyle = `rgb(100, 100, 100)`;
for (let t = 0; t < bandwidthBins.length; t++) {
const lineHeight = (bandwidthBins[t] / 1000) * BANDWIDTH_HEIGHT;
bandwidthCanvasContext.fillRect(t * 2, BANDWIDTH_HEIGHT - lineHeight, 2, lineHeight);
}
// Display again at the next frame
requestAnimationFrame(onAnimationFrame);
}
function onMediaSourceOpen() {
console.log(this.readyState);
sourceBuffer = mediaSource.addSourceBuffer("audio/aac");
}
function onMediaSourceClose() {
console.log(this.readyState);
}
function onMediaSourceEnd() {
console.log(this.readyState);
}
async function startAudio() {
try {
console.log("starting audio...");
audioOnButton.disabled = true;
audioState = "starting";
await audioElement.play();
console.log("audio started");
audioState = "playing";
startAnalyzer();
} catch(error) {
console.error(`play failed: ${error}`);
audioState = "stopped";
audioOnButton.disabled = false;
}
}
function onAudioPacket(packet) {
if (audioState != "stopped") {
// Queue the audio packet.
sourceBuffer.appendBuffer(packet);
}
packetsReceived += 1;
packetsReceivedText.innerText = packetsReceived;
bytesReceived += packet.byteLength;
bytesReceivedText.innerText = bytesReceived;
bandwidthBins[bandwidthBins.length] = packet.byteLength;
if (bandwidthBins.length > bandwidthBinCount) {
bandwidthBins.shift();
}
}
function onChannelOpen() {
console.log('channel OPEN');
setConnectionText("");
controlsDiv.style.visibility = "visible";
// Handshake with the backend.
sendMessage({
type: "hello"
});
}
function onChannelClose() {
console.log('channel CLOSED');
setConnectionText("Connection to CLI app closed, restart it and reload this page.");
controlsDiv.style.visibility = "hidden";
}
function onChannelError(error) {
console.log(`channel ERROR: ${error}`);
setConnectionText(`Connection to CLI app error ({${error}}), restart it and reload this page.`);
controlsDiv.style.visibility = "hidden";
}
function onChannelMessage(message) {
if (typeof message.data === 'string' || message.data instanceof String) {
// JSON message.
const jsonMessage = JSON.parse(message.data);
console.log(`channel MESSAGE: ${message.data}`);
// Dispatch the message.
const handlerName = `on${jsonMessage.type.charAt(0).toUpperCase()}${jsonMessage.type.slice(1)}Message`
const handler = messageHandlers[handlerName];
if (handler !== undefined) {
const params = jsonMessage.params;
if (params === undefined) {
params = {};
}
handler(params);
} else {
console.warn(`unhandled message: ${jsonMessage.type}`)
}
} else {
// BINARY audio data.
onAudioPacket(message.data);
}
}
function onHelloMessage(params) {
codecText.innerText = params.codec;
if (params.codec != "aac") {
audioOnButton.disabled = true;
audioSupportMessageText.innerText = "Only AAC can be played, audio will be disabled";
audioSupportMessageText.style.display = "inline-block";
} else {
audioSupportMessageText.innerText = "";
audioSupportMessageText.style.display = "none";
}
if (params.streamState) {
setStreamState(params.streamState);
}
}
function onStartMessage(params) {
setStreamState("STARTED");
}
function onStopMessage(params) {
setStreamState("STOPPED");
}
function onSuspendMessage(params) {
setStreamState("SUSPENDED");
}
function onConnectionMessage(params) {
connectionStateText.innerText = `CONNECTED: ${params.peer_name} (${params.peer_address})`;
}
function onDisconnectionMessage(params) {
connectionStateText.innerText = "DISCONNECTED";
}
function sendMessage(message) {
channelSocket.send(JSON.stringify(message));
}
function connect() {
console.log("connecting to CLI app");
channelSocket = new WebSocket(channelUrl);
channelSocket.binaryType = "arraybuffer";
channelSocket.onopen = onChannelOpen;
channelSocket.onclose = onChannelClose;
channelSocket.onerror = onChannelError;
channelSocket.onmessage = onChannelMessage;
}
const messageHandlers = {
onHelloMessage,
onStartMessage,
onStopMessage,
onSuspendMessage,
onConnectionMessage,
onDisconnectionMessage
}
window.onload = (event) => {
init();
}
}());
-737
View File
@@ -1,737 +0,0 @@
# Copyright 2021-2023 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# -----------------------------------------------------------------------------
# Imports
# -----------------------------------------------------------------------------
from __future__ import annotations
import asyncio
import asyncio.subprocess
from importlib import resources
import enum
import json
import os
import logging
import pathlib
import subprocess
from typing import Dict, List, Optional
import weakref
import click
import aiohttp
from aiohttp import web
import bumble
from bumble.colors import color
from bumble.core import BT_BR_EDR_TRANSPORT, CommandTimeoutError
from bumble.device import Connection, Device, DeviceConfiguration
from bumble.hci import HCI_StatusError
from bumble.pairing import PairingConfig
from bumble.sdp import ServiceAttribute
from bumble.transport import open_transport
from bumble.avdtp import (
AVDTP_AUDIO_MEDIA_TYPE,
Listener,
MediaCodecCapabilities,
MediaPacket,
Protocol,
)
from bumble.a2dp import (
MPEG_2_AAC_LC_OBJECT_TYPE,
make_audio_sink_service_sdp_records,
A2DP_SBC_CODEC_TYPE,
A2DP_MPEG_2_4_AAC_CODEC_TYPE,
SBC_MONO_CHANNEL_MODE,
SBC_DUAL_CHANNEL_MODE,
SBC_SNR_ALLOCATION_METHOD,
SBC_LOUDNESS_ALLOCATION_METHOD,
SBC_STEREO_CHANNEL_MODE,
SBC_JOINT_STEREO_CHANNEL_MODE,
SbcMediaCodecInformation,
AacMediaCodecInformation,
)
from bumble.utils import AsyncRunner
from bumble.codecs import AacAudioRtpPacket
# -----------------------------------------------------------------------------
# Logging
# -----------------------------------------------------------------------------
logger = logging.getLogger(__name__)
# -----------------------------------------------------------------------------
# Constants
# -----------------------------------------------------------------------------
DEFAULT_UI_PORT = 7654
# -----------------------------------------------------------------------------
class AudioExtractor:
@staticmethod
def create(codec: str):
if codec == 'aac':
return AacAudioExtractor()
if codec == 'sbc':
return SbcAudioExtractor()
def extract_audio(self, packet: MediaPacket) -> bytes:
raise NotImplementedError()
# -----------------------------------------------------------------------------
class AacAudioExtractor:
def extract_audio(self, packet: MediaPacket) -> bytes:
return AacAudioRtpPacket(packet.payload).to_adts()
# -----------------------------------------------------------------------------
class SbcAudioExtractor:
def extract_audio(self, packet: MediaPacket) -> bytes:
# header = packet.payload[0]
# fragmented = header >> 7
# start = (header >> 6) & 0x01
# last = (header >> 5) & 0x01
# number_of_frames = header & 0x0F
# TODO: support fragmented payloads
return packet.payload[1:]
# -----------------------------------------------------------------------------
class Output:
async def start(self) -> None:
pass
async def stop(self) -> None:
pass
async def suspend(self) -> None:
pass
async def on_connection(self, connection: Connection) -> None:
pass
async def on_disconnection(self, reason: int) -> None:
pass
def on_rtp_packet(self, packet: MediaPacket) -> None:
pass
# -----------------------------------------------------------------------------
class FileOutput(Output):
filename: str
codec: str
extractor: AudioExtractor
def __init__(self, filename, codec):
self.filename = filename
self.codec = codec
self.file = open(filename, 'wb')
self.extractor = AudioExtractor.create(codec)
def on_rtp_packet(self, packet: MediaPacket) -> None:
self.file.write(self.extractor.extract_audio(packet))
# -----------------------------------------------------------------------------
class QueuedOutput(Output):
MAX_QUEUE_SIZE = 32768
packets: asyncio.Queue
extractor: AudioExtractor
packet_pump_task: Optional[asyncio.Task]
started: bool
def __init__(self, extractor):
self.extractor = extractor
self.packets = asyncio.Queue()
self.packet_pump_task = None
self.started = False
async def start(self):
if self.started:
return
self.packet_pump_task = asyncio.create_task(self.pump_packets())
async def pump_packets(self):
while True:
packet = await self.packets.get()
await self.on_audio_packet(packet)
async def on_audio_packet(self, packet: bytes) -> None:
pass
def on_rtp_packet(self, packet: MediaPacket) -> None:
if self.packets.qsize() > self.MAX_QUEUE_SIZE:
logger.debug("queue full, dropping")
return
self.packets.put_nowait(self.extractor.extract_audio(packet))
# -----------------------------------------------------------------------------
class WebSocketOutput(QueuedOutput):
def __init__(self, codec, send_audio, send_message):
super().__init__(AudioExtractor.create(codec))
self.send_audio = send_audio
self.send_message = send_message
async def on_connection(self, connection: Connection) -> None:
try:
await connection.request_remote_name()
except HCI_StatusError:
pass
peer_name = '' if connection.peer_name is None else connection.peer_name
peer_address = str(connection.peer_address).replace('/P', '')
await self.send_message(
'connection',
peer_address=peer_address,
peer_name=peer_name,
)
async def on_disconnection(self, reason) -> None:
await self.send_message('disconnection')
async def on_audio_packet(self, packet: bytes) -> None:
await self.send_audio(packet)
async def start(self):
await super().start()
await self.send_message('start')
async def stop(self):
await super().stop()
await self.send_message('stop')
async def suspend(self):
await super().suspend()
await self.send_message('suspend')
# -----------------------------------------------------------------------------
class FfplayOutput(QueuedOutput):
MAX_QUEUE_SIZE = 32768
subprocess: Optional[asyncio.subprocess.Process]
ffplay_task: Optional[asyncio.Task]
def __init__(self, codec: str) -> None:
super().__init__(AudioExtractor.create(codec))
self.subprocess = None
self.ffplay_task = None
self.codec = codec
async def start(self):
if self.started:
return
await super().start()
self.subprocess = await asyncio.create_subprocess_shell(
f'ffplay -f {self.codec} pipe:0',
stdin=asyncio.subprocess.PIPE,
stdout=asyncio.subprocess.PIPE,
stderr=asyncio.subprocess.PIPE,
)
self.ffplay_task = asyncio.create_task(self.monitor_ffplay())
async def stop(self):
# TODO
pass
async def suspend(self):
# TODO
pass
async def monitor_ffplay(self):
async def read_stream(name, stream):
while True:
data = await stream.read()
logger.debug(f'{name}:', data)
await asyncio.wait(
[
asyncio.create_task(
read_stream('[ffplay stdout]', self.subprocess.stdout)
),
asyncio.create_task(
read_stream('[ffplay stderr]', self.subprocess.stderr)
),
asyncio.create_task(self.subprocess.wait()),
]
)
logger.debug("FFPLAY done")
async def on_audio_packet(self, packet):
try:
self.subprocess.stdin.write(packet)
except Exception:
logger.warning('!!!! exception while sending audio to ffplay pipe')
# -----------------------------------------------------------------------------
class UiServer:
speaker: weakref.ReferenceType[Speaker]
port: int
def __init__(self, speaker: Speaker, port: int) -> None:
self.speaker = weakref.ref(speaker)
self.port = port
self.channel_socket = None
async def start_http(self) -> None:
"""Start the UI HTTP server."""
app = web.Application()
app.add_routes(
[
web.get('/', self.get_static),
web.get('/speaker.html', self.get_static),
web.get('/speaker.js', self.get_static),
web.get('/speaker.css', self.get_static),
web.get('/logo.svg', self.get_static),
web.get('/channel', self.get_channel),
]
)
runner = web.AppRunner(app)
await runner.setup()
site = web.TCPSite(runner, 'localhost', self.port)
print('UI HTTP server at ' + color(f'http://127.0.0.1:{self.port}', 'green'))
await site.start()
async def get_static(self, request):
path = request.path
if path == '/':
path = '/speaker.html'
if path.endswith('.html'):
content_type = 'text/html'
elif path.endswith('.js'):
content_type = 'text/javascript'
elif path.endswith('.css'):
content_type = 'text/css'
elif path.endswith('.svg'):
content_type = 'image/svg+xml'
else:
content_type = 'text/plain'
text = (
resources.files("bumble.apps.speaker")
.joinpath(pathlib.Path(path).relative_to('/'))
.read_text(encoding="utf-8")
)
return aiohttp.web.Response(text=text, content_type=content_type)
async def get_channel(self, request):
ws = web.WebSocketResponse()
await ws.prepare(request)
# Process messages until the socket is closed.
self.channel_socket = ws
async for message in ws:
if message.type == aiohttp.WSMsgType.TEXT:
logger.debug(f'<<< received message: {message.data}')
await self.on_message(message.data)
elif message.type == aiohttp.WSMsgType.ERROR:
logger.debug(
f'channel connection closed with exception {ws.exception()}'
)
self.channel_socket = None
logger.debug('--- channel connection closed')
return ws
async def on_message(self, message_str: str):
# Parse the message as JSON
message = json.loads(message_str)
# Dispatch the message
message_type = message['type']
message_params = message.get('params', {})
handler = getattr(self, f'on_{message_type}_message')
if handler:
await handler(**message_params)
async def on_hello_message(self):
await self.send_message(
'hello',
bumble_version=bumble.__version__,
codec=self.speaker().codec,
streamState=self.speaker().stream_state.name,
)
if connection := self.speaker().connection:
await self.send_message(
'connection',
peer_address=str(connection.peer_address).replace('/P', ''),
peer_name=connection.peer_name,
)
async def send_message(self, message_type: str, **kwargs) -> None:
if self.channel_socket is None:
return
message = {'type': message_type, 'params': kwargs}
await self.channel_socket.send_json(message)
async def send_audio(self, data: bytes) -> None:
if self.channel_socket is None:
return
try:
await self.channel_socket.send_bytes(data)
except Exception as error:
logger.warning(f'exception while sending audio packet: {error}')
# -----------------------------------------------------------------------------
class Speaker:
class StreamState(enum.Enum):
IDLE = 0
STOPPED = 1
STARTED = 2
SUSPENDED = 3
def __init__(self, device_config, transport, codec, discover, outputs, ui_port):
self.device_config = device_config
self.transport = transport
self.codec = codec
self.discover = discover
self.ui_port = ui_port
self.device = None
self.connection = None
self.listener = None
self.packets_received = 0
self.bytes_received = 0
self.stream_state = Speaker.StreamState.IDLE
self.outputs = []
for output in outputs:
if output == '@ffplay':
self.outputs.append(FfplayOutput(codec))
continue
# Default to FileOutput
self.outputs.append(FileOutput(output, codec))
# Create an HTTP server for the UI
self.ui_server = UiServer(speaker=self, port=ui_port)
def sdp_records(self) -> Dict[int, List[ServiceAttribute]]:
service_record_handle = 0x00010001
return {
service_record_handle: make_audio_sink_service_sdp_records(
service_record_handle
)
}
def codec_capabilities(self) -> MediaCodecCapabilities:
if self.codec == 'aac':
return self.aac_codec_capabilities()
if self.codec == 'sbc':
return self.sbc_codec_capabilities()
raise RuntimeError('unsupported codec')
def aac_codec_capabilities(self) -> MediaCodecCapabilities:
return MediaCodecCapabilities(
media_type=AVDTP_AUDIO_MEDIA_TYPE,
media_codec_type=A2DP_MPEG_2_4_AAC_CODEC_TYPE,
media_codec_information=AacMediaCodecInformation.from_lists(
object_types=[MPEG_2_AAC_LC_OBJECT_TYPE],
sampling_frequencies=[48000, 44100],
channels=[1, 2],
vbr=1,
bitrate=256000,
),
)
def sbc_codec_capabilities(self) -> MediaCodecCapabilities:
return MediaCodecCapabilities(
media_type=AVDTP_AUDIO_MEDIA_TYPE,
media_codec_type=A2DP_SBC_CODEC_TYPE,
media_codec_information=SbcMediaCodecInformation.from_lists(
sampling_frequencies=[48000, 44100, 32000, 16000],
channel_modes=[
SBC_MONO_CHANNEL_MODE,
SBC_DUAL_CHANNEL_MODE,
SBC_STEREO_CHANNEL_MODE,
SBC_JOINT_STEREO_CHANNEL_MODE,
],
block_lengths=[4, 8, 12, 16],
subbands=[4, 8],
allocation_methods=[
SBC_LOUDNESS_ALLOCATION_METHOD,
SBC_SNR_ALLOCATION_METHOD,
],
minimum_bitpool_value=2,
maximum_bitpool_value=53,
),
)
async def dispatch_to_outputs(self, function):
for output in self.outputs:
await function(output)
def on_bluetooth_connection(self, connection):
print(f'Connection: {connection}')
self.connection = connection
connection.on('disconnection', self.on_bluetooth_disconnection)
AsyncRunner.spawn(
self.dispatch_to_outputs(lambda output: output.on_connection(connection))
)
def on_bluetooth_disconnection(self, reason):
print(f'Disconnection ({reason})')
self.connection = None
AsyncRunner.spawn(self.advertise())
AsyncRunner.spawn(
self.dispatch_to_outputs(lambda output: output.on_disconnection(reason))
)
def on_avdtp_connection(self, protocol):
print('Audio Stream Open')
# Add a sink endpoint to the server
sink = protocol.add_sink(self.codec_capabilities())
sink.on('start', self.on_sink_start)
sink.on('stop', self.on_sink_stop)
sink.on('suspend', self.on_sink_suspend)
sink.on('configuration', lambda: self.on_sink_configuration(sink.configuration))
sink.on('rtp_packet', self.on_rtp_packet)
sink.on('rtp_channel_open', self.on_rtp_channel_open)
sink.on('rtp_channel_close', self.on_rtp_channel_close)
# Listen for close events
protocol.on('close', self.on_avdtp_close)
# Discover all endpoints on the remote device is requested
if self.discover:
AsyncRunner.spawn(self.discover_remote_endpoints(protocol))
def on_avdtp_close(self):
print("Audio Stream Closed")
def on_sink_start(self):
print("Sink Started\u001b[0K")
self.stream_state = self.StreamState.STARTED
AsyncRunner.spawn(self.dispatch_to_outputs(lambda output: output.start()))
def on_sink_stop(self):
print("Sink Stopped\u001b[0K")
self.stream_state = self.StreamState.STOPPED
AsyncRunner.spawn(self.dispatch_to_outputs(lambda output: output.stop()))
def on_sink_suspend(self):
print("Sink Suspended\u001b[0K")
self.stream_state = self.StreamState.SUSPENDED
AsyncRunner.spawn(self.dispatch_to_outputs(lambda output: output.suspend()))
def on_sink_configuration(self, config):
print("Sink Configuration:")
print('\n'.join([" " + str(capability) for capability in config]))
def on_rtp_channel_open(self):
print("RTP Channel Open")
def on_rtp_channel_close(self):
print("RTP Channel Closed")
self.stream_state = self.StreamState.IDLE
def on_rtp_packet(self, packet):
self.packets_received += 1
self.bytes_received += len(packet.payload)
print(
f'[{self.bytes_received} bytes in {self.packets_received} packets] {packet}',
end='\r',
)
for output in self.outputs:
output.on_rtp_packet(packet)
async def advertise(self):
await self.device.set_discoverable(True)
await self.device.set_connectable(True)
async def connect(self, address):
# Connect to the source
print(f'=== Connecting to {address}...')
connection = await self.device.connect(address, transport=BT_BR_EDR_TRANSPORT)
print(f'=== Connected to {connection.peer_address}')
# Request authentication
print('*** Authenticating...')
await connection.authenticate()
print('*** Authenticated')
# Enable encryption
print('*** Enabling encryption...')
await connection.encrypt()
print('*** Encryption on')
protocol = await Protocol.connect(connection)
self.listener.set_server(connection, protocol)
self.on_avdtp_connection(protocol)
async def discover_remote_endpoints(self, protocol):
endpoints = await protocol.discover_remote_endpoints()
print(f'@@@ Found {len(endpoints)} endpoints')
for endpoint in endpoints:
print('@@@', endpoint)
async def run(self, connect_address):
await self.ui_server.start_http()
self.outputs.append(
WebSocketOutput(
self.codec, self.ui_server.send_audio, self.ui_server.send_message
)
)
async with await open_transport(self.transport) as (hci_source, hci_sink):
# Create a device
device_config = DeviceConfiguration()
if self.device_config:
device_config.load_from_file(self.device_config)
else:
device_config.name = "Bumble Speaker"
device_config.class_of_device = 0x240414
device_config.keystore = "JsonKeyStore"
device_config.classic_enabled = True
device_config.le_enabled = False
self.device = Device.from_config_with_hci(
device_config, hci_source, hci_sink
)
# Setup the SDP to expose the sink service
self.device.sdp_service_records = self.sdp_records()
# Don't require MITM when pairing.
self.device.pairing_config_factory = lambda connection: PairingConfig(
mitm=False
)
# Start the controller
await self.device.power_on()
# Print some of the config/properties
print("Speaker Name:", color(device_config.name, 'yellow'))
print(
"Speaker Bluetooth Address:",
color(
self.device.public_address.to_string(with_type_qualifier=False),
'yellow',
),
)
# Listen for Bluetooth connections
self.device.on('connection', self.on_bluetooth_connection)
# Create a listener to wait for AVDTP connections
self.listener = Listener(Listener.create_registrar(self.device))
self.listener.on('connection', self.on_avdtp_connection)
print(f'Speaker ready to play, codec={color(self.codec, "cyan")}')
if connect_address:
# Connect to the source
try:
await self.connect(connect_address)
except CommandTimeoutError:
print(color("Connection timed out", "red"))
return
else:
# Start being discoverable and connectable
print("Waiting for connection...")
await self.advertise()
await hci_source.wait_for_termination()
for output in self.outputs:
await output.stop()
# -----------------------------------------------------------------------------
@click.group()
@click.pass_context
def speaker_cli(ctx, device_config):
ctx.ensure_object(dict)
ctx.obj['device_config'] = device_config
@click.command()
@click.option(
'--codec', type=click.Choice(['sbc', 'aac']), default='aac', show_default=True
)
@click.option(
'--discover', is_flag=True, help='Discover remote endpoints once connected'
)
@click.option(
'--output',
multiple=True,
metavar='NAME',
help=(
'Send audio to this named output '
'(may be used more than once for multiple outputs)'
),
)
@click.option(
'--ui-port',
'ui_port',
metavar='HTTP_PORT',
default=DEFAULT_UI_PORT,
show_default=True,
help='HTTP port for the UI server',
)
@click.option(
'--connect',
'connect_address',
metavar='ADDRESS_OR_NAME',
help='Address or name to connect to',
)
@click.option('--device-config', metavar='FILENAME', help='Device configuration file')
@click.argument('transport')
def speaker(
transport, codec, connect_address, discover, output, ui_port, device_config
):
"""Run the speaker."""
if '@ffplay' in output:
# Check if ffplay is installed
try:
subprocess.run(['ffplay', '-version'], capture_output=True, check=True)
except FileNotFoundError:
print(
color('ffplay not installed, @ffplay output will be disabled', 'yellow')
)
output = list(filter(lambda x: x != '@ffplay', output))
asyncio.run(
Speaker(device_config, transport, codec, discover, output, ui_port).run(
connect_address
)
)
# -----------------------------------------------------------------------------
def main():
logging.basicConfig(level=os.environ.get('BUMBLE_LOGLEVEL', 'WARNING').upper())
speaker()
# -----------------------------------------------------------------------------
if __name__ == "__main__":
main() # pylint: disable=no-value-for-parameter
-81
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# Copyright 2021-2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# -----------------------------------------------------------------------------
# Imports
# -----------------------------------------------------------------------------
import asyncio
import os
import logging
import click
from bumble.device import Device
from bumble.keys import JsonKeyStore
from bumble.transport import open_transport
# -----------------------------------------------------------------------------
async def unbond_with_keystore(keystore, address):
if address is None:
return await keystore.print()
try:
await keystore.delete(address)
except KeyError:
print('!!! pairing not found')
# -----------------------------------------------------------------------------
async def unbond(keystore_file, device_config, hci_transport, address):
# With a keystore file, we can instantiate the keystore directly
if keystore_file:
return await unbond_with_keystore(JsonKeyStore(None, keystore_file), address)
# Without a keystore file, we need to obtain the keystore from the device
async with await open_transport(hci_transport) as (hci_source, hci_sink):
# Create a device to manage the host
device = Device.from_config_file_with_hci(device_config, hci_source, hci_sink)
# Power-on the device to ensure we have a key store
await device.power_on()
return await unbond_with_keystore(device.keystore, address)
# -----------------------------------------------------------------------------
@click.command()
@click.option('--keystore-file', help='File in which the pairing keys are stored')
@click.option('--hci-transport', help='HCI transport for the controller')
@click.argument('device-config', required=False)
@click.argument('address', required=False)
def main(keystore_file, hci_transport, device_config, address):
"""
Remove pairing keys for a device, given its address.
If no keystore file is specified, the --hci-transport option must be used to
connect to a controller, so that the keystore for that controller can be
instantiated.
If no address is passed, the existing pairing keys for all addresses are printed.
"""
logging.basicConfig(level=os.environ.get('BUMBLE_LOGLEVEL', 'INFO').upper())
if not keystore_file and not hci_transport:
print('either --keystore-file or --hci-transport must be specified.')
return
asyncio.run(unbond(keystore_file, device_config, hci_transport, address))
# -----------------------------------------------------------------------------
if __name__ == '__main__':
main()
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# Copyright 2021-2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# -----------------------------------------------------------------------------
# This tool lists all the USB devices, with details about each device.
# For each device, the different possible Bumble transport strings that can
# refer to it are listed. If the device is known to be a Bluetooth HCI device,
# its identifier is printed in reverse colors, and the transport names in cyan color.
# For other devices, regardless of their type, the transport names are printed
# in red. Whether that device is actually a Bluetooth device or not depends on
# whether it is a Bluetooth device that uses a non-standard Class, or some other
# type of device (there's no way to tell).
# -----------------------------------------------------------------------------
# -----------------------------------------------------------------------------
# Imports
# -----------------------------------------------------------------------------
import os
import logging
import click
import usb1
from bumble.colors import color
from bumble.transport.usb import load_libusb
# -----------------------------------------------------------------------------
# Constants
# -----------------------------------------------------------------------------
USB_DEVICE_CLASS_DEVICE = 0x00
USB_DEVICE_CLASS_WIRELESS_CONTROLLER = 0xE0
USB_DEVICE_SUBCLASS_RF_CONTROLLER = 0x01
USB_DEVICE_PROTOCOL_BLUETOOTH_PRIMARY_CONTROLLER = 0x01
USB_DEVICE_CLASSES = {
0x00: 'Device',
0x01: 'Audio',
0x02: 'Communications and CDC Control',
0x03: 'Human Interface Device',
0x05: 'Physical',
0x06: 'Still Imaging',
0x07: 'Printer',
0x08: 'Mass Storage',
0x09: 'Hub',
0x0A: 'CDC Data',
0x0B: 'Smart Card',
0x0D: 'Content Security',
0x0E: 'Video',
0x0F: 'Personal Healthcare',
0x10: 'Audio/Video',
0x11: 'Billboard',
0x12: 'USB Type-C Bridge',
0x3C: 'I3C',
0xDC: 'Diagnostic',
USB_DEVICE_CLASS_WIRELESS_CONTROLLER: (
'Wireless Controller',
{
0x01: {
0x01: 'Bluetooth',
0x02: 'UWB',
0x03: 'Remote NDIS',
0x04: 'Bluetooth AMP',
}
},
),
0xEF: 'Miscellaneous',
0xFE: 'Application Specific',
0xFF: 'Vendor Specific',
}
USB_ENDPOINT_IN = 0x80
USB_ENDPOINT_TYPES = ['CONTROL', 'ISOCHRONOUS', 'BULK', 'INTERRUPT']
USB_BT_HCI_CLASS_TUPLE = (
USB_DEVICE_CLASS_WIRELESS_CONTROLLER,
USB_DEVICE_SUBCLASS_RF_CONTROLLER,
USB_DEVICE_PROTOCOL_BLUETOOTH_PRIMARY_CONTROLLER,
)
# -----------------------------------------------------------------------------
def show_device_details(device):
for configuration in device:
print(f' Configuration {configuration.getConfigurationValue()}')
for interface in configuration:
for setting in interface:
alternate_setting = setting.getAlternateSetting()
suffix = (
f'/{alternate_setting}' if interface.getNumSettings() > 1 else ''
)
(class_string, subclass_string) = get_class_info(
setting.getClass(), setting.getSubClass(), setting.getProtocol()
)
details = f'({class_string}, {subclass_string})'
print(f' Interface: {setting.getNumber()}{suffix} {details}')
for endpoint in setting:
endpoint_type = USB_ENDPOINT_TYPES[endpoint.getAttributes() & 3]
endpoint_direction = (
'OUT'
if (endpoint.getAddress() & USB_ENDPOINT_IN == 0)
else 'IN'
)
print(
f' Endpoint 0x{endpoint.getAddress():02X}: '
f'{endpoint_type} {endpoint_direction}'
)
# -----------------------------------------------------------------------------
def get_class_info(cls, subclass, protocol):
class_info = USB_DEVICE_CLASSES.get(cls)
protocol_string = ''
if class_info is None:
class_string = f'0x{cls:02X}'
else:
if isinstance(class_info, tuple):
class_string = class_info[0]
subclass_info = class_info[1].get(subclass)
if subclass_info:
protocol_string = subclass_info.get(protocol)
if protocol_string is not None:
protocol_string = f' [{protocol_string}]'
else:
class_string = class_info
subclass_string = f'{subclass}/{protocol}{protocol_string}'
return (class_string, subclass_string)
# -----------------------------------------------------------------------------
def is_bluetooth_hci(device):
# Check if the device class indicates a match
if (
device.getDeviceClass(),
device.getDeviceSubClass(),
device.getDeviceProtocol(),
) == USB_BT_HCI_CLASS_TUPLE:
return True
# If the device class is 'Device', look for a matching interface
if device.getDeviceClass() == USB_DEVICE_CLASS_DEVICE:
for configuration in device:
for interface in configuration:
for setting in interface:
if (
setting.getClass(),
setting.getSubClass(),
setting.getProtocol(),
) == USB_BT_HCI_CLASS_TUPLE:
return True
return False
# -----------------------------------------------------------------------------
@click.command()
@click.option('--verbose', is_flag=True, default=False, help='Print more details')
def main(verbose):
logging.basicConfig(level=os.environ.get('BUMBLE_LOGLEVEL', 'WARNING').upper())
load_libusb()
with usb1.USBContext() as context:
bluetooth_device_count = 0
devices = {}
for device in context.getDeviceIterator(skip_on_error=True):
device_class = device.getDeviceClass()
device_subclass = device.getDeviceSubClass()
device_protocol = device.getDeviceProtocol()
device_id = (device.getVendorID(), device.getProductID())
(device_class_string, device_subclass_string) = get_class_info(
device_class, device_subclass, device_protocol
)
try:
device_serial_number = device.getSerialNumber()
except usb1.USBError:
device_serial_number = None
try:
device_manufacturer = device.getManufacturer()
except usb1.USBError:
device_manufacturer = None
try:
device_product = device.getProduct()
except usb1.USBError:
device_product = None
device_is_bluetooth_hci = is_bluetooth_hci(device)
if device_is_bluetooth_hci:
bluetooth_device_count += 1
fg_color = 'black'
bg_color = 'yellow'
else:
fg_color = 'yellow'
bg_color = 'black'
# Compute the different ways this can be referenced as a Bumble transport
bumble_transport_names = []
basic_transport_name = (
f'usb:{device.getVendorID():04X}:{device.getProductID():04X}'
)
if device_is_bluetooth_hci:
bumble_transport_names.append(f'usb:{bluetooth_device_count - 1}')
if device_id not in devices:
bumble_transport_names.append(basic_transport_name)
else:
bumble_transport_names.append(
f'{basic_transport_name}#{len(devices[device_id])}'
)
if device_serial_number is not None:
if (
device_id not in devices
or device_serial_number not in devices[device_id]
):
bumble_transport_names.append(
f'{basic_transport_name}/{device_serial_number}'
)
# Print the results
print(
color(
f'ID {device.getVendorID():04X}:{device.getProductID():04X}',
fg=fg_color,
bg=bg_color,
)
)
if bumble_transport_names:
print(
color(' Bumble Transport Names:', 'blue'),
' or '.join(
color(x, 'cyan' if device_is_bluetooth_hci else 'red')
for x in bumble_transport_names
),
)
print(
color(' Bus/Device: ', 'green'),
f'{device.getBusNumber():03}/{device.getDeviceAddress():03}',
)
print(color(' Class: ', 'green'), device_class_string)
print(color(' Subclass/Protocol: ', 'green'), device_subclass_string)
if device_serial_number is not None:
print(color(' Serial: ', 'green'), device_serial_number)
if device_manufacturer is not None:
print(color(' Manufacturer: ', 'green'), device_manufacturer)
if device_product is not None:
print(color(' Product: ', 'green'), device_product)
if verbose:
show_device_details(device)
print()
devices.setdefault(device_id, []).append(device_serial_number)
# -----------------------------------------------------------------------------
if __name__ == '__main__':
main() # pylint: disable=no-value-for-parameter
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/* Avoid breaking parameter names, etc. in table cells. */
.doc-contents td code {
word-break: normal !important;
}
/* No line break before first paragraph of descriptions. */
.doc-md-description,
.doc-md-description>p:first-child {
display: inline;
}
/* Max width for docstring sections tables. */
.doc .md-typeset__table,
.doc .md-typeset__table table {
display: table !important;
width: 100%;
}
.doc .md-typeset__table tr {
display: table-row;
}
/* Defaults in Spacy table style. */
.doc-param-default {
float: right;
}
/* Parameter headings must be inline, not blocks. */
.doc-heading-parameter {
display: inline;
}
/* Prefer space on the right, not the left of parameter permalinks. */
.doc-heading-parameter .headerlink {
margin-left: 0 !important;
margin-right: 0.2rem;
}
/* Backward-compatibility: docstring section titles in bold. */
.doc-section-title {
font-weight: bold;
}
/* Symbols in Navigation and ToC. */
:root, :host,
[data-md-color-scheme="default"] {
--doc-symbol-parameter-fg-color: #df50af;
--doc-symbol-attribute-fg-color: #953800;
--doc-symbol-function-fg-color: #8250df;
--doc-symbol-method-fg-color: #8250df;
--doc-symbol-class-fg-color: #0550ae;
--doc-symbol-module-fg-color: #5cad0f;
--doc-symbol-parameter-bg-color: #df50af1a;
--doc-symbol-attribute-bg-color: #9538001a;
--doc-symbol-function-bg-color: #8250df1a;
--doc-symbol-method-bg-color: #8250df1a;
--doc-symbol-class-bg-color: #0550ae1a;
--doc-symbol-module-bg-color: #5cad0f1a;
}
[data-md-color-scheme="slate"] {
--doc-symbol-parameter-fg-color: #ffa8cc;
--doc-symbol-attribute-fg-color: #ffa657;
--doc-symbol-function-fg-color: #d2a8ff;
--doc-symbol-method-fg-color: #d2a8ff;
--doc-symbol-class-fg-color: #79c0ff;
--doc-symbol-module-fg-color: #baff79;
--doc-symbol-parameter-bg-color: #ffa8cc1a;
--doc-symbol-attribute-bg-color: #ffa6571a;
--doc-symbol-function-bg-color: #d2a8ff1a;
--doc-symbol-method-bg-color: #d2a8ff1a;
--doc-symbol-class-bg-color: #79c0ff1a;
--doc-symbol-module-bg-color: #baff791a;
}
code.doc-symbol {
border-radius: .1rem;
font-size: .85em;
padding: 0 .3em;
font-weight: bold;
}
code.doc-symbol-parameter {
color: var(--doc-symbol-parameter-fg-color);
background-color: var(--doc-symbol-parameter-bg-color);
}
code.doc-symbol-parameter::after {
content: "param";
}
code.doc-symbol-attribute {
color: var(--doc-symbol-attribute-fg-color);
background-color: var(--doc-symbol-attribute-bg-color);
}
code.doc-symbol-attribute::after {
content: "attr";
}
code.doc-symbol-function {
color: var(--doc-symbol-function-fg-color);
background-color: var(--doc-symbol-function-bg-color);
}
code.doc-symbol-function::after {
content: "func";
}
code.doc-symbol-method {
color: var(--doc-symbol-method-fg-color);
background-color: var(--doc-symbol-method-bg-color);
}
code.doc-symbol-method::after {
content: "meth";
}
code.doc-symbol-class {
color: var(--doc-symbol-class-fg-color);
background-color: var(--doc-symbol-class-bg-color);
}
code.doc-symbol-class::after {
content: "class";
}
code.doc-symbol-module {
color: var(--doc-symbol-module-fg-color);
background-color: var(--doc-symbol-module-bg-color);
}
code.doc-symbol-module::after {
content: "mod";
}
.doc-signature .autorefs {
color: inherit;
border-bottom: 1px dotted currentcolor;
}
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/*!
* Lunr languages, `Danish` language
* https://github.com/MihaiValentin/lunr-languages
*
* Copyright 2014, Mihai Valentin
* http://www.mozilla.org/MPL/
*/
/*!
* based on
* Snowball JavaScript Library v0.3
* http://code.google.com/p/urim/
* http://snowball.tartarus.org/
*
* Copyright 2010, Oleg Mazko
* http://www.mozilla.org/MPL/
*/
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!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");e.hi=function(){this.pipeline.reset(),this.pipeline.add(e.hi.trimmer,e.hi.stopWordFilter,e.hi.stemmer),this.searchPipeline&&(this.searchPipeline.reset(),this.searchPipeline.add(e.hi.stemmer))},e.hi.wordCharacters="ऀ-ःऄ-एऐ-टठ-यर-िी-ॏॐ-य़ॠ-९॰-ॿa-zA-Z-zA-0-9-",e.hi.trimmer=e.trimmerSupport.generateTrimmer(e.hi.wordCharacters),e.Pipeline.registerFunction(e.hi.trimmer,"trimmer-hi"),e.hi.stopWordFilter=e.generateStopWordFilter("अत अपना अपनी अपने अभी अंदर आदि आप इत्यादि इन इनका इन्हीं इन्हें इन्हों इस इसका इसकी इसके इसमें इसी इसे उन उनका उनकी उनके उनको उन्हीं उन्हें उन्हों उस उसके उसी उसे एक एवं एस ऐसे और कई कर करता करते करना करने करें कहते कहा का काफ़ी कि कितना किन्हें किन्हों किया किर किस किसी किसे की कुछ कुल के को कोई कौन कौनसा गया घर जब जहाँ जा जितना जिन जिन्हें जिन्हों जिस जिसे जीधर जैसा जैसे जो तक तब तरह तिन तिन्हें तिन्हों तिस तिसे तो था थी थे दबारा दिया दुसरा दूसरे दो द्वारा न नके नहीं ना निहायत नीचे ने पर पहले पूरा पे फिर बनी बही बहुत बाद बाला बिलकुल भी भीतर मगर मानो मे में यदि यह यहाँ यही या यिह ये रखें रहा रहे ऱ्वासा लिए लिये लेकिन व वग़ैरह वर्ग वह वहाँ वहीं वाले वुह वे वो सकता सकते सबसे सभी साथ साबुत साभ सारा से सो संग ही हुआ हुई हुए है हैं हो होता होती होते होना होने".split(" ")),e.hi.stemmer=function(){return function(e){return"function"==typeof e.update?e.update(function(e){return e}):e}}();var r=e.wordcut;r.init(),e.hi.tokenizer=function(i){if(!arguments.length||null==i||void 0==i)return[];if(Array.isArray(i))return i.map(function(r){return isLunr2?new e.Token(r.toLowerCase()):r.toLowerCase()});var t=i.toString().toLowerCase().replace(/^\s+/,"");return r.cut(t).split("|")},e.Pipeline.registerFunction(e.hi.stemmer,"stemmer-hi"),e.Pipeline.registerFunction(e.hi.stopWordFilter,"stopWordFilter-hi")}});
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!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");e.hy=function(){this.pipeline.reset(),this.pipeline.add(e.hy.trimmer,e.hy.stopWordFilter)},e.hy.wordCharacters="[A-Za-z԰-֏ff-ﭏ]",e.hy.trimmer=e.trimmerSupport.generateTrimmer(e.hy.wordCharacters),e.Pipeline.registerFunction(e.hy.trimmer,"trimmer-hy"),e.hy.stopWordFilter=e.generateStopWordFilter("դու և եք էիր էիք հետո նաև նրանք որը վրա է որ պիտի են այս մեջ ն իր ու ի այդ որոնք այն կամ էր մի ես համար այլ իսկ էին ենք հետ ին թ էինք մենք նրա նա դուք եմ էի ըստ որպես ում".split(" ")),e.Pipeline.registerFunction(e.hy.stopWordFilter,"stopWordFilter-hy"),e.hy.stemmer=function(){return function(e){return"function"==typeof e.update?e.update(function(e){return e}):e}}(),e.Pipeline.registerFunction(e.hy.stemmer,"stemmer-hy")}});
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!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");var r="2"==e.version[0];e.ja=function(){this.pipeline.reset(),this.pipeline.add(e.ja.trimmer,e.ja.stopWordFilter,e.ja.stemmer),r?this.tokenizer=e.ja.tokenizer:(e.tokenizer&&(e.tokenizer=e.ja.tokenizer),this.tokenizerFn&&(this.tokenizerFn=e.ja.tokenizer))};var t=new e.TinySegmenter;e.ja.tokenizer=function(i){var n,o,s,p,a,u,m,l,c,f;if(!arguments.length||null==i||void 0==i)return[];if(Array.isArray(i))return i.map(function(t){return r?new e.Token(t.toLowerCase()):t.toLowerCase()});for(o=i.toString().toLowerCase().replace(/^\s+/,""),n=o.length-1;n>=0;n--)if(/\S/.test(o.charAt(n))){o=o.substring(0,n+1);break}for(a=[],s=o.length,c=0,l=0;c<=s;c++)if(u=o.charAt(c),m=c-l,u.match(/\s/)||c==s){if(m>0)for(p=t.segment(o.slice(l,c)).filter(function(e){return!!e}),f=l,n=0;n<p.length;n++)r?a.push(new e.Token(p[n],{position:[f,p[n].length],index:a.length})):a.push(p[n]),f+=p[n].length;l=c+1}return a},e.ja.stemmer=function(){return function(e){return e}}(),e.Pipeline.registerFunction(e.ja.stemmer,"stemmer-ja"),e.ja.wordCharacters="一二三四五六七八九十百千万億兆一-龠々〆ヵヶぁ-んァ-ヴーア-ン゙a-zA-Z-zA-0-9-",e.ja.trimmer=e.trimmerSupport.generateTrimmer(e.ja.wordCharacters),e.Pipeline.registerFunction(e.ja.trimmer,"trimmer-ja"),e.ja.stopWordFilter=e.generateStopWordFilter("これ それ あれ この その あの ここ そこ あそこ こちら どこ だれ なに なん 何 私 貴方 貴方方 我々 私達 あの人 あのかた 彼女 彼 です あります おります います は が の に を で え から まで より も どの と し それで しかし".split(" ")),e.Pipeline.registerFunction(e.ja.stopWordFilter,"stopWordFilter-ja"),e.jp=e.ja,e.Pipeline.registerFunction(e.jp.stemmer,"stemmer-jp"),e.Pipeline.registerFunction(e.jp.trimmer,"trimmer-jp"),e.Pipeline.registerFunction(e.jp.stopWordFilter,"stopWordFilter-jp")}});
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module.exports=require("./lunr.ja");
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!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");e.kn=function(){this.pipeline.reset(),this.pipeline.add(e.kn.trimmer,e.kn.stopWordFilter,e.kn.stemmer),this.searchPipeline&&(this.searchPipeline.reset(),this.searchPipeline.add(e.kn.stemmer))},e.kn.wordCharacters="ಀ-಄ಅ-ಔಕ-ಹಾ-ೌ಼-ಽೕ-ೖೝ-ೞೠ-ೡೢ-ೣ೤೥೦-೯ೱ-ೳ",e.kn.trimmer=e.trimmerSupport.generateTrimmer(e.kn.wordCharacters),e.Pipeline.registerFunction(e.kn.trimmer,"trimmer-kn"),e.kn.stopWordFilter=e.generateStopWordFilter("ಮತ್ತು ಈ ಒಂದು ರಲ್ಲಿ ಹಾಗೂ ಎಂದು ಅಥವಾ ಇದು ರ ಅವರು ಎಂಬ ಮೇಲೆ ಅವರ ತನ್ನ ಆದರೆ ತಮ್ಮ ನಂತರ ಮೂಲಕ ಹೆಚ್ಚು ನ ಆ ಕೆಲವು ಅನೇಕ ಎರಡು ಹಾಗು ಪ್ರಮುಖ ಇದನ್ನು ಇದರ ಸುಮಾರು ಅದರ ಅದು ಮೊದಲ ಬಗ್ಗೆ ನಲ್ಲಿ ರಂದು ಇತರ ಅತ್ಯಂತ ಹೆಚ್ಚಿನ ಸಹ ಸಾಮಾನ್ಯವಾಗಿ ನೇ ಹಲವಾರು ಹೊಸ ದಿ ಕಡಿಮೆ ಯಾವುದೇ ಹೊಂದಿದೆ ದೊಡ್ಡ ಅನ್ನು ಇವರು ಪ್ರಕಾರ ಇದೆ ಮಾತ್ರ ಕೂಡ ಇಲ್ಲಿ ಎಲ್ಲಾ ವಿವಿಧ ಅದನ್ನು ಹಲವು ರಿಂದ ಕೇವಲ ದ ದಕ್ಷಿಣ ಗೆ ಅವನ ಅತಿ ನೆಯ ಬಹಳ ಕೆಲಸ ಎಲ್ಲ ಪ್ರತಿ ಇತ್ಯಾದಿ ಇವು ಬೇರೆ ಹೀಗೆ ನಡುವೆ ಇದಕ್ಕೆ ಎಸ್ ಇವರ ಮೊದಲು ಶ್ರೀ ಮಾಡುವ ಇದರಲ್ಲಿ ರೀತಿಯ ಮಾಡಿದ ಕಾಲ ಅಲ್ಲಿ ಮಾಡಲು ಅದೇ ಈಗ ಅವು ಗಳು ಎ ಎಂಬುದು ಅವನು ಅಂದರೆ ಅವರಿಗೆ ಇರುವ ವಿಶೇಷ ಮುಂದೆ ಅವುಗಳ ಮುಂತಾದ ಮೂಲ ಬಿ ಮೀ ಒಂದೇ ಇನ್ನೂ ಹೆಚ್ಚಾಗಿ ಮಾಡಿ ಅವರನ್ನು ಇದೇ ಯ ರೀತಿಯಲ್ಲಿ ಜೊತೆ ಅದರಲ್ಲಿ ಮಾಡಿದರು ನಡೆದ ಆಗ ಮತ್ತೆ ಪೂರ್ವ ಆತ ಬಂದ ಯಾವ ಒಟ್ಟು ಇತರೆ ಹಿಂದೆ ಪ್ರಮಾಣದ ಗಳನ್ನು ಕುರಿತು ಯು ಆದ್ದರಿಂದ ಅಲ್ಲದೆ ನಗರದ ಮೇಲಿನ ಏಕೆಂದರೆ ರಷ್ಟು ಎಂಬುದನ್ನು ಬಾರಿ ಎಂದರೆ ಹಿಂದಿನ ಆದರೂ ಆದ ಸಂಬಂಧಿಸಿದ ಮತ್ತೊಂದು ಸಿ ಆತನ ".split(" ")),e.kn.stemmer=function(){return function(e){return"function"==typeof e.update?e.update(function(e){return e}):e}}();var r=e.wordcut;r.init(),e.kn.tokenizer=function(t){if(!arguments.length||null==t||void 0==t)return[];if(Array.isArray(t))return t.map(function(r){return isLunr2?new e.Token(r.toLowerCase()):r.toLowerCase()});var n=t.toString().toLowerCase().replace(/^\s+/,"");return r.cut(n).split("|")},e.Pipeline.registerFunction(e.kn.stemmer,"stemmer-kn"),e.Pipeline.registerFunction(e.kn.stopWordFilter,"stopWordFilter-kn")}});
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!function(e,t){"function"==typeof define&&define.amd?define(t):"object"==typeof exports?module.exports=t():t()(e.lunr)}(this,function(){return function(e){e.multiLanguage=function(){for(var t=Array.prototype.slice.call(arguments),i=t.join("-"),r="",n=[],s=[],p=0;p<t.length;++p)"en"==t[p]?(r+="\\w",n.unshift(e.stopWordFilter),n.push(e.stemmer),s.push(e.stemmer)):(r+=e[t[p]].wordCharacters,e[t[p]].stopWordFilter&&n.unshift(e[t[p]].stopWordFilter),e[t[p]].stemmer&&(n.push(e[t[p]].stemmer),s.push(e[t[p]].stemmer)));var o=e.trimmerSupport.generateTrimmer(r);return e.Pipeline.registerFunction(o,"lunr-multi-trimmer-"+i),n.unshift(o),function(){this.pipeline.reset(),this.pipeline.add.apply(this.pipeline,n),this.searchPipeline&&(this.searchPipeline.reset(),this.searchPipeline.add.apply(this.searchPipeline,s))}}}});
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/*!
* Lunr languages, `Norwegian` language
* https://github.com/MihaiValentin/lunr-languages
*
* Copyright 2014, Mihai Valentin
* http://www.mozilla.org/MPL/
*/
/*!
* based on
* Snowball JavaScript Library v0.3
* http://code.google.com/p/urim/
* http://snowball.tartarus.org/
*
* Copyright 2010, Oleg Mazko
* http://www.mozilla.org/MPL/
*/
!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");e.no=function(){this.pipeline.reset(),this.pipeline.add(e.no.trimmer,e.no.stopWordFilter,e.no.stemmer),this.searchPipeline&&(this.searchPipeline.reset(),this.searchPipeline.add(e.no.stemmer))},e.no.wordCharacters="A-Za-zªºÀ-ÖØ-öø-ʸˠ-ˤᴀ-ᴥᴬ-ᵜᵢ-ᵥᵫ-ᵷᵹ-ᶾḀ-ỿⁱⁿₐ-ₜKÅℲⅎⅠ-ↈⱠ-ⱿꜢ-ꞇꞋ-ꞭꞰ-ꞷꟷ-ꟿꬰ-ꭚꭜ-ꭤff-stA-Za-z",e.no.trimmer=e.trimmerSupport.generateTrimmer(e.no.wordCharacters),e.Pipeline.registerFunction(e.no.trimmer,"trimmer-no"),e.no.stemmer=function(){var r=e.stemmerSupport.Among,n=e.stemmerSupport.SnowballProgram,i=new function(){function e(){var e,r=w.cursor+3;if(a=w.limit,0<=r||r<=w.limit){for(s=r;;){if(e=w.cursor,w.in_grouping(d,97,248)){w.cursor=e;break}if(e>=w.limit)return;w.cursor=e+1}for(;!w.out_grouping(d,97,248);){if(w.cursor>=w.limit)return;w.cursor++}a=w.cursor,a<s&&(a=s)}}function i(){var e,r,n;if(w.cursor>=a&&(r=w.limit_backward,w.limit_backward=a,w.ket=w.cursor,e=w.find_among_b(m,29),w.limit_backward=r,e))switch(w.bra=w.cursor,e){case 1:w.slice_del();break;case 2:n=w.limit-w.cursor,w.in_grouping_b(c,98,122)?w.slice_del():(w.cursor=w.limit-n,w.eq_s_b(1,"k")&&w.out_grouping_b(d,97,248)&&w.slice_del());break;case 3:w.slice_from("er")}}function t(){var e,r=w.limit-w.cursor;w.cursor>=a&&(e=w.limit_backward,w.limit_backward=a,w.ket=w.cursor,w.find_among_b(u,2)?(w.bra=w.cursor,w.limit_backward=e,w.cursor=w.limit-r,w.cursor>w.limit_backward&&(w.cursor--,w.bra=w.cursor,w.slice_del())):w.limit_backward=e)}function o(){var e,r;w.cursor>=a&&(r=w.limit_backward,w.limit_backward=a,w.ket=w.cursor,e=w.find_among_b(l,11),e?(w.bra=w.cursor,w.limit_backward=r,1==e&&w.slice_del()):w.limit_backward=r)}var s,a,m=[new r("a",-1,1),new r("e",-1,1),new r("ede",1,1),new r("ande",1,1),new r("ende",1,1),new r("ane",1,1),new r("ene",1,1),new r("hetene",6,1),new r("erte",1,3),new r("en",-1,1),new r("heten",9,1),new r("ar",-1,1),new r("er",-1,1),new r("heter",12,1),new r("s",-1,2),new r("as",14,1),new r("es",14,1),new r("edes",16,1),new r("endes",16,1),new r("enes",16,1),new r("hetenes",19,1),new r("ens",14,1),new r("hetens",21,1),new r("ers",14,1),new r("ets",14,1),new r("et",-1,1),new r("het",25,1),new r("ert",-1,3),new r("ast",-1,1)],u=[new r("dt",-1,-1),new r("vt",-1,-1)],l=[new r("leg",-1,1),new r("eleg",0,1),new r("ig",-1,1),new r("eig",2,1),new r("lig",2,1),new r("elig",4,1),new r("els",-1,1),new r("lov",-1,1),new r("elov",7,1),new r("slov",7,1),new r("hetslov",9,1)],d=[17,65,16,1,0,0,0,0,0,0,0,0,0,0,0,0,48,0,128],c=[119,125,149,1],w=new n;this.setCurrent=function(e){w.setCurrent(e)},this.getCurrent=function(){return w.getCurrent()},this.stem=function(){var r=w.cursor;return e(),w.limit_backward=r,w.cursor=w.limit,i(),w.cursor=w.limit,t(),w.cursor=w.limit,o(),!0}};return function(e){return"function"==typeof e.update?e.update(function(e){return i.setCurrent(e),i.stem(),i.getCurrent()}):(i.setCurrent(e),i.stem(),i.getCurrent())}}(),e.Pipeline.registerFunction(e.no.stemmer,"stemmer-no"),e.no.stopWordFilter=e.generateStopWordFilter("alle at av bare begge ble blei bli blir blitt både båe da de deg dei deim deira deires dem den denne der dere deres det dette di din disse ditt du dykk dykkar då eg ein eit eitt eller elles en enn er et ett etter for fordi fra før ha hadde han hans har hennar henne hennes her hjå ho hoe honom hoss hossen hun hva hvem hver hvilke hvilken hvis hvor hvordan hvorfor i ikke ikkje ikkje ingen ingi inkje inn inni ja jeg kan kom korleis korso kun kunne kva kvar kvarhelst kven kvi kvifor man mange me med medan meg meget mellom men mi min mine mitt mot mykje ned no noe noen noka noko nokon nokor nokre nå når og også om opp oss over på samme seg selv si si sia sidan siden sin sine sitt sjøl skal skulle slik so som som somme somt så sånn til um upp ut uten var vart varte ved vere verte vi vil ville vore vors vort vår være være vært å".split(" ")),e.Pipeline.registerFunction(e.no.stopWordFilter,"stopWordFilter-no")}});
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!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");e.sa=function(){this.pipeline.reset(),this.pipeline.add(e.sa.trimmer,e.sa.stopWordFilter,e.sa.stemmer),this.searchPipeline&&(this.searchPipeline.reset(),this.searchPipeline.add(e.sa.stemmer))},e.sa.wordCharacters="ऀ-ःऄ-एऐ-टठ-यर-िी-ॏॐ-य़ॠ-९॰-ॿ꣠-꣱ꣲ-ꣷ꣸-ꣻ꣼-ꣽꣾ-ꣿᆰ0-ᆰ9",e.sa.trimmer=e.trimmerSupport.generateTrimmer(e.sa.wordCharacters),e.Pipeline.registerFunction(e.sa.trimmer,"trimmer-sa"),e.sa.stopWordFilter=e.generateStopWordFilter('तथा अयम्‌ एकम्‌ इत्यस्मिन्‌ तथा तत्‌ वा अयम्‌ इत्यस्य ते आहूत उपरि तेषाम्‌ किन्तु तेषाम्‌ तदा इत्यनेन अधिकः इत्यस्य तत्‌ केचन बहवः द्वि तथा महत्वपूर्णः अयम्‌ अस्य विषये अयं अस्ति तत्‌ प्रथमः विषये इत्युपरि इत्युपरि इतर अधिकतमः अधिकः अपि सामान्यतया ठ इतरेतर नूतनम्‌ द न्यूनम्‌ कश्चित्‌ वा विशालः द सः अस्ति तदनुसारम् तत्र अस्ति केवलम्‌ अपि अत्र सर्वे विविधाः तत्‌ बहवः यतः इदानीम्‌ द दक्षिण इत्यस्मै तस्य उपरि नथ अतीव कार्यम्‌ सर्वे एकैकम्‌ इत्यादि। एते सन्ति उत इत्थम्‌ मध्ये एतदर्थं . स कस्य प्रथमः श्री. करोति अस्मिन् प्रकारः निर्मिता कालः तत्र कर्तुं समान अधुना ते सन्ति स एकः अस्ति सः अर्थात् तेषां कृते . स्थितम् विशेषः अग्रिम तेषाम्‌ समान स्रोतः ख म समान इदानीमपि अधिकतया करोतु ते समान इत्यस्य वीथी सह यस्मिन् कृतवान्‌ धृतः तदा पुनः पूर्वं सः आगतः किम्‌ कुल इतर पुरा मात्रा स विषये उ अतएव अपि नगरस्य उपरि यतः प्रतिशतं कतरः कालः साधनानि भूत तथापि जात सम्बन्धि अन्यत्‌ ग अतः अस्माकं स्वकीयाः अस्माकं इदानीं अन्तः इत्यादयः भवन्तः इत्यादयः एते एताः तस्य अस्य इदम् एते तेषां तेषां तेषां तान् तेषां तेषां तेषां समानः सः एकः च तादृशाः बहवः अन्ये च वदन्ति यत् कियत् कस्मै कस्मै यस्मै यस्मै यस्मै यस्मै न अतिनीचः किन्तु प्रथमं सम्पूर्णतया ततः चिरकालानन्तरं पुस्तकं सम्पूर्णतया अन्तः किन्तु अत्र वा इह इव श्रद्धाय अवशिष्यते परन्तु अन्ये वर्गाः सन्ति ते सन्ति शक्नुवन्ति सर्वे मिलित्वा सर्वे एकत्र"'.split(" ")),e.sa.stemmer=function(){return function(e){return"function"==typeof e.update?e.update(function(e){return e}):e}}();var r=e.wordcut;r.init(),e.sa.tokenizer=function(t){if(!arguments.length||null==t||void 0==t)return[];if(Array.isArray(t))return t.map(function(r){return isLunr2?new e.Token(r.toLowerCase()):r.toLowerCase()});var i=t.toString().toLowerCase().replace(/^\s+/,"");return r.cut(i).split("|")},e.Pipeline.registerFunction(e.sa.stemmer,"stemmer-sa"),e.Pipeline.registerFunction(e.sa.stopWordFilter,"stopWordFilter-sa")}});
@@ -0,0 +1 @@
!function(r,t){"function"==typeof define&&define.amd?define(t):"object"==typeof exports?module.exports=t():t()(r.lunr)}(this,function(){return function(r){r.stemmerSupport={Among:function(r,t,i,s){if(this.toCharArray=function(r){for(var t=r.length,i=new Array(t),s=0;s<t;s++)i[s]=r.charCodeAt(s);return i},!r&&""!=r||!t&&0!=t||!i)throw"Bad Among initialisation: s:"+r+", substring_i: "+t+", result: "+i;this.s_size=r.length,this.s=this.toCharArray(r),this.substring_i=t,this.result=i,this.method=s},SnowballProgram:function(){var r;return{bra:0,ket:0,limit:0,cursor:0,limit_backward:0,setCurrent:function(t){r=t,this.cursor=0,this.limit=t.length,this.limit_backward=0,this.bra=this.cursor,this.ket=this.limit},getCurrent:function(){var t=r;return r=null,t},in_grouping:function(t,i,s){if(this.cursor<this.limit){var e=r.charCodeAt(this.cursor);if(e<=s&&e>=i&&(e-=i,t[e>>3]&1<<(7&e)))return this.cursor++,!0}return!1},in_grouping_b:function(t,i,s){if(this.cursor>this.limit_backward){var e=r.charCodeAt(this.cursor-1);if(e<=s&&e>=i&&(e-=i,t[e>>3]&1<<(7&e)))return this.cursor--,!0}return!1},out_grouping:function(t,i,s){if(this.cursor<this.limit){var e=r.charCodeAt(this.cursor);if(e>s||e<i)return this.cursor++,!0;if(e-=i,!(t[e>>3]&1<<(7&e)))return this.cursor++,!0}return!1},out_grouping_b:function(t,i,s){if(this.cursor>this.limit_backward){var e=r.charCodeAt(this.cursor-1);if(e>s||e<i)return this.cursor--,!0;if(e-=i,!(t[e>>3]&1<<(7&e)))return this.cursor--,!0}return!1},eq_s:function(t,i){if(this.limit-this.cursor<t)return!1;for(var s=0;s<t;s++)if(r.charCodeAt(this.cursor+s)!=i.charCodeAt(s))return!1;return this.cursor+=t,!0},eq_s_b:function(t,i){if(this.cursor-this.limit_backward<t)return!1;for(var s=0;s<t;s++)if(r.charCodeAt(this.cursor-t+s)!=i.charCodeAt(s))return!1;return this.cursor-=t,!0},find_among:function(t,i){for(var s=0,e=i,n=this.cursor,u=this.limit,o=0,h=0,c=!1;;){for(var a=s+(e-s>>1),f=0,l=o<h?o:h,_=t[a],m=l;m<_.s_size;m++){if(n+l==u){f=-1;break}if(f=r.charCodeAt(n+l)-_.s[m])break;l++}if(f<0?(e=a,h=l):(s=a,o=l),e-s<=1){if(s>0||e==s||c)break;c=!0}}for(;;){var _=t[s];if(o>=_.s_size){if(this.cursor=n+_.s_size,!_.method)return _.result;var b=_.method();if(this.cursor=n+_.s_size,b)return _.result}if((s=_.substring_i)<0)return 0}},find_among_b:function(t,i){for(var s=0,e=i,n=this.cursor,u=this.limit_backward,o=0,h=0,c=!1;;){for(var a=s+(e-s>>1),f=0,l=o<h?o:h,_=t[a],m=_.s_size-1-l;m>=0;m--){if(n-l==u){f=-1;break}if(f=r.charCodeAt(n-1-l)-_.s[m])break;l++}if(f<0?(e=a,h=l):(s=a,o=l),e-s<=1){if(s>0||e==s||c)break;c=!0}}for(;;){var _=t[s];if(o>=_.s_size){if(this.cursor=n-_.s_size,!_.method)return _.result;var b=_.method();if(this.cursor=n-_.s_size,b)return _.result}if((s=_.substring_i)<0)return 0}},replace_s:function(t,i,s){var e=s.length-(i-t),n=r.substring(0,t),u=r.substring(i);return r=n+s+u,this.limit+=e,this.cursor>=i?this.cursor+=e:this.cursor>t&&(this.cursor=t),e},slice_check:function(){if(this.bra<0||this.bra>this.ket||this.ket>this.limit||this.limit>r.length)throw"faulty slice operation"},slice_from:function(r){this.slice_check(),this.replace_s(this.bra,this.ket,r)},slice_del:function(){this.slice_from("")},insert:function(r,t,i){var s=this.replace_s(r,t,i);r<=this.bra&&(this.bra+=s),r<=this.ket&&(this.ket+=s)},slice_to:function(){return this.slice_check(),r.substring(this.bra,this.ket)},eq_v_b:function(r){return this.eq_s_b(r.length,r)}}}},r.trimmerSupport={generateTrimmer:function(r){var t=new RegExp("^[^"+r+"]+"),i=new RegExp("[^"+r+"]+$");return function(r){return"function"==typeof r.update?r.update(function(r){return r.replace(t,"").replace(i,"")}):r.replace(t,"").replace(i,"")}}}}});
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/*!
* Lunr languages, `Swedish` language
* https://github.com/MihaiValentin/lunr-languages
*
* Copyright 2014, Mihai Valentin
* http://www.mozilla.org/MPL/
*/
/*!
* based on
* Snowball JavaScript Library v0.3
* http://code.google.com/p/urim/
* http://snowball.tartarus.org/
*
* Copyright 2010, Oleg Mazko
* http://www.mozilla.org/MPL/
*/
!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");e.sv=function(){this.pipeline.reset(),this.pipeline.add(e.sv.trimmer,e.sv.stopWordFilter,e.sv.stemmer),this.searchPipeline&&(this.searchPipeline.reset(),this.searchPipeline.add(e.sv.stemmer))},e.sv.wordCharacters="A-Za-zªºÀ-ÖØ-öø-ʸˠ-ˤᴀ-ᴥᴬ-ᵜᵢ-ᵥᵫ-ᵷᵹ-ᶾḀ-ỿⁱⁿₐ-ₜKÅℲⅎⅠ-ↈⱠ-ⱿꜢ-ꞇꞋ-ꞭꞰ-ꞷꟷ-ꟿꬰ-ꭚꭜ-ꭤff-stA-Za-z",e.sv.trimmer=e.trimmerSupport.generateTrimmer(e.sv.wordCharacters),e.Pipeline.registerFunction(e.sv.trimmer,"trimmer-sv"),e.sv.stemmer=function(){var r=e.stemmerSupport.Among,n=e.stemmerSupport.SnowballProgram,t=new function(){function e(){var e,r=w.cursor+3;if(o=w.limit,0<=r||r<=w.limit){for(a=r;;){if(e=w.cursor,w.in_grouping(l,97,246)){w.cursor=e;break}if(w.cursor=e,w.cursor>=w.limit)return;w.cursor++}for(;!w.out_grouping(l,97,246);){if(w.cursor>=w.limit)return;w.cursor++}o=w.cursor,o<a&&(o=a)}}function t(){var e,r=w.limit_backward;if(w.cursor>=o&&(w.limit_backward=o,w.cursor=w.limit,w.ket=w.cursor,e=w.find_among_b(u,37),w.limit_backward=r,e))switch(w.bra=w.cursor,e){case 1:w.slice_del();break;case 2:w.in_grouping_b(d,98,121)&&w.slice_del()}}function i(){var e=w.limit_backward;w.cursor>=o&&(w.limit_backward=o,w.cursor=w.limit,w.find_among_b(c,7)&&(w.cursor=w.limit,w.ket=w.cursor,w.cursor>w.limit_backward&&(w.bra=--w.cursor,w.slice_del())),w.limit_backward=e)}function s(){var e,r;if(w.cursor>=o){if(r=w.limit_backward,w.limit_backward=o,w.cursor=w.limit,w.ket=w.cursor,e=w.find_among_b(m,5))switch(w.bra=w.cursor,e){case 1:w.slice_del();break;case 2:w.slice_from("lös");break;case 3:w.slice_from("full")}w.limit_backward=r}}var a,o,u=[new r("a",-1,1),new r("arna",0,1),new r("erna",0,1),new r("heterna",2,1),new r("orna",0,1),new r("ad",-1,1),new r("e",-1,1),new r("ade",6,1),new r("ande",6,1),new r("arne",6,1),new r("are",6,1),new r("aste",6,1),new r("en",-1,1),new r("anden",12,1),new r("aren",12,1),new r("heten",12,1),new r("ern",-1,1),new r("ar",-1,1),new r("er",-1,1),new r("heter",18,1),new r("or",-1,1),new r("s",-1,2),new r("as",21,1),new r("arnas",22,1),new r("ernas",22,1),new r("ornas",22,1),new r("es",21,1),new r("ades",26,1),new r("andes",26,1),new r("ens",21,1),new r("arens",29,1),new r("hetens",29,1),new r("erns",21,1),new r("at",-1,1),new r("andet",-1,1),new r("het",-1,1),new r("ast",-1,1)],c=[new r("dd",-1,-1),new r("gd",-1,-1),new r("nn",-1,-1),new r("dt",-1,-1),new r("gt",-1,-1),new r("kt",-1,-1),new r("tt",-1,-1)],m=[new r("ig",-1,1),new r("lig",0,1),new r("els",-1,1),new r("fullt",-1,3),new r("löst",-1,2)],l=[17,65,16,1,0,0,0,0,0,0,0,0,0,0,0,0,24,0,32],d=[119,127,149],w=new n;this.setCurrent=function(e){w.setCurrent(e)},this.getCurrent=function(){return w.getCurrent()},this.stem=function(){var r=w.cursor;return e(),w.limit_backward=r,w.cursor=w.limit,t(),w.cursor=w.limit,i(),w.cursor=w.limit,s(),!0}};return function(e){return"function"==typeof e.update?e.update(function(e){return t.setCurrent(e),t.stem(),t.getCurrent()}):(t.setCurrent(e),t.stem(),t.getCurrent())}}(),e.Pipeline.registerFunction(e.sv.stemmer,"stemmer-sv"),e.sv.stopWordFilter=e.generateStopWordFilter("alla allt att av blev bli blir blivit de dem den denna deras dess dessa det detta dig din dina ditt du där då efter ej eller en er era ert ett från för ha hade han hans har henne hennes hon honom hur här i icke ingen inom inte jag ju kan kunde man med mellan men mig min mina mitt mot mycket ni nu när någon något några och om oss på samma sedan sig sin sina sitta själv skulle som så sådan sådana sådant till under upp ut utan vad var vara varför varit varje vars vart vem vi vid vilka vilkas vilken vilket vår våra vårt än är åt över".split(" ")),e.Pipeline.registerFunction(e.sv.stopWordFilter,"stopWordFilter-sv")}});
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!function(e,t){"function"==typeof define&&define.amd?define(t):"object"==typeof exports?module.exports=t():t()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");e.ta=function(){this.pipeline.reset(),this.pipeline.add(e.ta.trimmer,e.ta.stopWordFilter,e.ta.stemmer),this.searchPipeline&&(this.searchPipeline.reset(),this.searchPipeline.add(e.ta.stemmer))},e.ta.wordCharacters="஀-உஊ-ஏஐ-ஙச-ட஠-னப-யர-ஹ஺-ிீ-௉ொ-௏ௐ-௙௚-௟௠-௩௪-௯௰-௹௺-௿a-zA-Z-zA-0-9-",e.ta.trimmer=e.trimmerSupport.generateTrimmer(e.ta.wordCharacters),e.Pipeline.registerFunction(e.ta.trimmer,"trimmer-ta"),e.ta.stopWordFilter=e.generateStopWordFilter("அங்கு அங்கே அது அதை அந்த அவர் அவர்கள் அவள் அவன் அவை ஆக ஆகவே ஆகையால் ஆதலால் ஆதலினால் ஆனாலும் ஆனால் இங்கு இங்கே இது இதை இந்த இப்படி இவர் இவர்கள் இவள் இவன் இவை இவ்வளவு உனக்கு உனது உன் உன்னால் எங்கு எங்கே எது எதை எந்த எப்படி எவர் எவர்கள் எவள் எவன் எவை எவ்வளவு எனக்கு எனது எனவே என் என்ன என்னால் ஏது ஏன் தனது தன்னால் தானே தான் நாங்கள் நாம் நான் நீ நீங்கள்".split(" ")),e.ta.stemmer=function(){return function(e){return"function"==typeof e.update?e.update(function(e){return e}):e}}();var t=e.wordcut;t.init(),e.ta.tokenizer=function(r){if(!arguments.length||null==r||void 0==r)return[];if(Array.isArray(r))return r.map(function(t){return isLunr2?new e.Token(t.toLowerCase()):t.toLowerCase()});var i=r.toString().toLowerCase().replace(/^\s+/,"");return t.cut(i).split("|")},e.Pipeline.registerFunction(e.ta.stemmer,"stemmer-ta"),e.Pipeline.registerFunction(e.ta.stopWordFilter,"stopWordFilter-ta")}});
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!function(e,t){"function"==typeof define&&define.amd?define(t):"object"==typeof exports?module.exports=t():t()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");e.te=function(){this.pipeline.reset(),this.pipeline.add(e.te.trimmer,e.te.stopWordFilter,e.te.stemmer),this.searchPipeline&&(this.searchPipeline.reset(),this.searchPipeline.add(e.te.stemmer))},e.te.wordCharacters="ఀ-ఄఅ-ఔక-హా-ౌౕ-ౖౘ-ౚౠ-ౡౢ-ౣ౦-౯౸-౿఼ఽ్ౝ౷౤౥",e.te.trimmer=e.trimmerSupport.generateTrimmer(e.te.wordCharacters),e.Pipeline.registerFunction(e.te.trimmer,"trimmer-te"),e.te.stopWordFilter=e.generateStopWordFilter("అందరూ అందుబాటులో అడగండి అడగడం అడ్డంగా అనుగుణంగా అనుమతించు అనుమతిస్తుంది అయితే ఇప్పటికే ఉన్నారు ఎక్కడైనా ఎప్పుడు ఎవరైనా ఎవరో ఏ ఏదైనా ఏమైనప్పటికి ఒక ఒకరు కనిపిస్తాయి కాదు కూడా గా గురించి చుట్టూ చేయగలిగింది తగిన తర్వాత దాదాపు దూరంగా నిజంగా పై ప్రకారం ప్రక్కన మధ్య మరియు మరొక మళ్ళీ మాత్రమే మెచ్చుకో వద్ద వెంట వేరుగా వ్యతిరేకంగా సంబంధం".split(" ")),e.te.stemmer=function(){return function(e){return"function"==typeof e.update?e.update(function(e){return e}):e}}();var t=e.wordcut;t.init(),e.te.tokenizer=function(r){if(!arguments.length||null==r||void 0==r)return[];if(Array.isArray(r))return r.map(function(t){return isLunr2?new e.Token(t.toLowerCase()):t.toLowerCase()});var i=r.toString().toLowerCase().replace(/^\s+/,"");return t.cut(i).split("|")},e.Pipeline.registerFunction(e.te.stemmer,"stemmer-te"),e.Pipeline.registerFunction(e.te.stopWordFilter,"stopWordFilter-te")}});
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!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");var r="2"==e.version[0];e.th=function(){this.pipeline.reset(),this.pipeline.add(e.th.trimmer),r?this.tokenizer=e.th.tokenizer:(e.tokenizer&&(e.tokenizer=e.th.tokenizer),this.tokenizerFn&&(this.tokenizerFn=e.th.tokenizer))},e.th.wordCharacters="[฀-๿]",e.th.trimmer=e.trimmerSupport.generateTrimmer(e.th.wordCharacters),e.Pipeline.registerFunction(e.th.trimmer,"trimmer-th");var t=e.wordcut;t.init(),e.th.tokenizer=function(i){if(!arguments.length||null==i||void 0==i)return[];if(Array.isArray(i))return i.map(function(t){return r?new e.Token(t):t});var n=i.toString().replace(/^\s+/,"");return t.cut(n).split("|")}}});
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this.UW4__ = {",":3930,".":3508,"―":-4841,"、":3930,"。":3508,"":4999,"「":1895,"」":3798,"〓":-5156,"あ":4752,"い":-3435,"う":-640,"え":-2514,"お":2405,"か":530,"が":6006,"き":-4482,"ぎ":-3821,"く":-3788,"け":-4376,"げ":-4734,"こ":2255,"ご":1979,"さ":2864,"し":-843,"じ":-2506,"す":-731,"ず":1251,"せ":181,"そ":4091,"た":5034,"だ":5408,"ち":-3654,"っ":-5882,"つ":-1659,"て":3994,"で":7410,"と":4547,"な":5433,"に":6499,"ぬ":1853,"ね":1413,"の":7396,"は":8578,"ば":1940,"ひ":4249,"び":-4134,"ふ":1345,"へ":6665,"べ":-744,"ほ":1464,"ま":1051,"み":-2082,"む":-882,"め":-5046,"も":4169,"ゃ":-2666,"や":2795,"ょ":-1544,"よ":3351,"ら":-2922,"り":-9726,"る":-14896,"れ":-2613,"ろ":-4570,"わ":-1783,"を":13150,"ん":-2352,"カ":2145,"コ":1789,"セ":1287,"ッ":-724,"ト":-403,"メ":-1635,"ラ":-881,"リ":-541,"ル":-856,"ン":-3637,"・":-4371,"ー":-11870,"一":-2069,"中":2210,"予":782,"事":-190,"井":-1768,"人":1036,"以":544,"会":950,"体":-1286,"作":530,"側":4292,"先":601,"党":-2006,"共":-1212,"内":584,"円":788,"初":1347,"前":1623,"副":3879,"力":-302,"動":-740,"務":-2715,"化":776,"区":4517,"協":1013,"参":1555,"合":-1834,"和":-681,"員":-910,"器":-851,"回":1500,"国":-619,"園":-1200,"地":866,"場":-1410,"塁":-2094,"士":-1413,"多":1067,"大":571,"子":-4802,"学":-1397,"定":-1057,"寺":-809,"小":1910,"屋":-1328,"山":-1500,"島":-2056,"川":-2667,"市":2771,"年":374,"庁":-4556,"後":456,"性":553,"感":916,"所":-1566,"支":856,"改":787,"政":2182,"教":704,"文":522,"方":-856,"日":1798,"時":1829,"最":845,"月":-9066,"木":-485,"来":-442,"校":-360,"業":-1043,"氏":5388,"民":-2716,"気":-910,"沢":-939,"済":-543,"物":-735,"率":672,"球":-1267,"生":-1286,"産":-1101,"田":-2900,"町":1826,"的":2586,"目":922,"省":-3485,"県":2997,"空":-867,"立":-2112,"第":788,"米":2937,"系":786,"約":2171,"経":1146,"統":-1169,"総":940,"線":-994,"署":749,"者":2145,"能":-730,"般":-852,"行":-792,"規":792,"警":-1184,"議":-244,"谷":-1000,"賞":730,"車":-1481,"軍":1158,"輪":-1433,"込":-3370,"近":929,"道":-1291,"選":2596,"郎":-4866,"都":1192,"野":-1100,"銀":-2213,"長":357,"間":-2344,"院":-2297,"際":-2604,"電":-878,"領":-1659,"題":-792,"館":-1984,"首":1749,"高":2120,"「":1895,"」":3798,"・":-4371,"ッ":-724,"ー":-11870,"カ":2145,"コ":1789,"セ":1287,"ト":-403,"メ":-1635,"ラ":-881,"リ":-541,"ル":-856,"ン":-3637};
this.UW5__ = {",":465,".":-299,"1":-514,"E2":-32768,"]":-2762,"、":465,"。":-299,"「":363,"あ":1655,"い":331,"う":-503,"え":1199,"お":527,"か":647,"が":-421,"き":1624,"ぎ":1971,"く":312,"げ":-983,"さ":-1537,"し":-1371,"す":-852,"だ":-1186,"ち":1093,"っ":52,"つ":921,"て":-18,"で":-850,"と":-127,"ど":1682,"な":-787,"に":-1224,"の":-635,"は":-578,"べ":1001,"み":502,"め":865,"ゃ":3350,"ょ":854,"り":-208,"る":429,"れ":504,"わ":419,"を":-1264,"ん":327,"イ":241,"ル":451,"ン":-343,"中":-871,"京":722,"会":-1153,"党":-654,"務":3519,"区":-901,"告":848,"員":2104,"大":-1296,"学":-548,"定":1785,"嵐":-1304,"市":-2991,"席":921,"年":1763,"思":872,"所":-814,"挙":1618,"新":-1682,"日":218,"月":-4353,"査":932,"格":1356,"機":-1508,"氏":-1347,"田":240,"町":-3912,"的":-3149,"相":1319,"省":-1052,"県":-4003,"研":-997,"社":-278,"空":-813,"統":1955,"者":-2233,"表":663,"語":-1073,"議":1219,"選":-1018,"郎":-368,"長":786,"間":1191,"題":2368,"館":-689,"":-514,"E2":-32768,"「":363,"イ":241,"ル":451,"ン":-343};
this.UW6__ = {",":227,".":808,"1":-270,"E1":306,"、":227,"。":808,"あ":-307,"う":189,"か":241,"が":-73,"く":-121,"こ":-200,"じ":1782,"す":383,"た":-428,"っ":573,"て":-1014,"で":101,"と":-105,"な":-253,"に":-149,"の":-417,"は":-236,"も":-206,"り":187,"る":-135,"を":195,"ル":-673,"ン":-496,"一":-277,"中":201,"件":-800,"会":624,"前":302,"区":1792,"員":-1212,"委":798,"学":-960,"市":887,"広":-695,"後":535,"業":-697,"相":753,"社":-507,"福":974,"空":-822,"者":1811,"連":463,"郎":1082,"":-270,"E1":306,"ル":-673,"ン":-496};
return this;
}
TinySegmenter.prototype.ctype_ = function(str) {
for (var i in this.chartype_) {
if (str.match(this.chartype_[i][0])) {
return this.chartype_[i][1];
}
}
return "O";
}
TinySegmenter.prototype.ts_ = function(v) {
if (v) { return v; }
return 0;
}
TinySegmenter.prototype.segment = function(input) {
if (input == null || input == undefined || input == "") {
return [];
}
var result = [];
var seg = ["B3","B2","B1"];
var ctype = ["O","O","O"];
var o = input.split("");
for (i = 0; i < o.length; ++i) {
seg.push(o[i]);
ctype.push(this.ctype_(o[i]))
}
seg.push("E1");
seg.push("E2");
seg.push("E3");
ctype.push("O");
ctype.push("O");
ctype.push("O");
var word = seg[3];
var p1 = "U";
var p2 = "U";
var p3 = "U";
for (var i = 4; i < seg.length - 3; ++i) {
var score = this.BIAS__;
var w1 = seg[i-3];
var w2 = seg[i-2];
var w3 = seg[i-1];
var w4 = seg[i];
var w5 = seg[i+1];
var w6 = seg[i+2];
var c1 = ctype[i-3];
var c2 = ctype[i-2];
var c3 = ctype[i-1];
var c4 = ctype[i];
var c5 = ctype[i+1];
var c6 = ctype[i+2];
score += this.ts_(this.UP1__[p1]);
score += this.ts_(this.UP2__[p2]);
score += this.ts_(this.UP3__[p3]);
score += this.ts_(this.BP1__[p1 + p2]);
score += this.ts_(this.BP2__[p2 + p3]);
score += this.ts_(this.UW1__[w1]);
score += this.ts_(this.UW2__[w2]);
score += this.ts_(this.UW3__[w3]);
score += this.ts_(this.UW4__[w4]);
score += this.ts_(this.UW5__[w5]);
score += this.ts_(this.UW6__[w6]);
score += this.ts_(this.BW1__[w2 + w3]);
score += this.ts_(this.BW2__[w3 + w4]);
score += this.ts_(this.BW3__[w4 + w5]);
score += this.ts_(this.TW1__[w1 + w2 + w3]);
score += this.ts_(this.TW2__[w2 + w3 + w4]);
score += this.ts_(this.TW3__[w3 + w4 + w5]);
score += this.ts_(this.TW4__[w4 + w5 + w6]);
score += this.ts_(this.UC1__[c1]);
score += this.ts_(this.UC2__[c2]);
score += this.ts_(this.UC3__[c3]);
score += this.ts_(this.UC4__[c4]);
score += this.ts_(this.UC5__[c5]);
score += this.ts_(this.UC6__[c6]);
score += this.ts_(this.BC1__[c2 + c3]);
score += this.ts_(this.BC2__[c3 + c4]);
score += this.ts_(this.BC3__[c4 + c5]);
score += this.ts_(this.TC1__[c1 + c2 + c3]);
score += this.ts_(this.TC2__[c2 + c3 + c4]);
score += this.ts_(this.TC3__[c3 + c4 + c5]);
score += this.ts_(this.TC4__[c4 + c5 + c6]);
// score += this.ts_(this.TC5__[c4 + c5 + c6]);
score += this.ts_(this.UQ1__[p1 + c1]);
score += this.ts_(this.UQ2__[p2 + c2]);
score += this.ts_(this.UQ3__[p3 + c3]);
score += this.ts_(this.BQ1__[p2 + c2 + c3]);
score += this.ts_(this.BQ2__[p2 + c3 + c4]);
score += this.ts_(this.BQ3__[p3 + c2 + c3]);
score += this.ts_(this.BQ4__[p3 + c3 + c4]);
score += this.ts_(this.TQ1__[p2 + c1 + c2 + c3]);
score += this.ts_(this.TQ2__[p2 + c2 + c3 + c4]);
score += this.ts_(this.TQ3__[p3 + c1 + c2 + c3]);
score += this.ts_(this.TQ4__[p3 + c2 + c3 + c4]);
var p = "O";
if (score > 0) {
result.push(word);
word = "";
p = "B";
}
p1 = p2;
p2 = p3;
p3 = p;
word += seg[i];
}
result.push(word);
return result;
}
lunr.TinySegmenter = TinySegmenter;
};
}));
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@@ -0,0 +1 @@
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-4
View File
@@ -1,4 +0,0 @@
try:
from ._version import version as __version__
except ImportError:
__version__ = "unknown version"
-640
View File
@@ -1,640 +0,0 @@
# Copyright 2021-2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# -----------------------------------------------------------------------------
# Imports
# -----------------------------------------------------------------------------
import struct
import logging
from collections import namedtuple
from .company_ids import COMPANY_IDENTIFIERS
from .sdp import (
DataElement,
ServiceAttribute,
SDP_PUBLIC_BROWSE_ROOT,
SDP_BROWSE_GROUP_LIST_ATTRIBUTE_ID,
SDP_SERVICE_RECORD_HANDLE_ATTRIBUTE_ID,
SDP_SERVICE_CLASS_ID_LIST_ATTRIBUTE_ID,
SDP_PROTOCOL_DESCRIPTOR_LIST_ATTRIBUTE_ID,
SDP_BLUETOOTH_PROFILE_DESCRIPTOR_LIST_ATTRIBUTE_ID,
)
from .core import (
BT_L2CAP_PROTOCOL_ID,
BT_AUDIO_SOURCE_SERVICE,
BT_AUDIO_SINK_SERVICE,
BT_AVDTP_PROTOCOL_ID,
BT_ADVANCED_AUDIO_DISTRIBUTION_SERVICE,
name_or_number,
)
# -----------------------------------------------------------------------------
# Logging
# -----------------------------------------------------------------------------
logger = logging.getLogger(__name__)
# -----------------------------------------------------------------------------
# Constants
# -----------------------------------------------------------------------------
# fmt: off
A2DP_SBC_CODEC_TYPE = 0x00
A2DP_MPEG_1_2_AUDIO_CODEC_TYPE = 0x01
A2DP_MPEG_2_4_AAC_CODEC_TYPE = 0x02
A2DP_ATRAC_FAMILY_CODEC_TYPE = 0x03
A2DP_NON_A2DP_CODEC_TYPE = 0xFF
A2DP_CODEC_TYPE_NAMES = {
A2DP_SBC_CODEC_TYPE: 'A2DP_SBC_CODEC_TYPE',
A2DP_MPEG_1_2_AUDIO_CODEC_TYPE: 'A2DP_MPEG_1_2_AUDIO_CODEC_TYPE',
A2DP_MPEG_2_4_AAC_CODEC_TYPE: 'A2DP_MPEG_2_4_AAC_CODEC_TYPE',
A2DP_ATRAC_FAMILY_CODEC_TYPE: 'A2DP_ATRAC_FAMILY_CODEC_TYPE',
A2DP_NON_A2DP_CODEC_TYPE: 'A2DP_NON_A2DP_CODEC_TYPE'
}
SBC_SYNC_WORD = 0x9C
SBC_SAMPLING_FREQUENCIES = [
16000,
22050,
44100,
48000
]
SBC_MONO_CHANNEL_MODE = 0x00
SBC_DUAL_CHANNEL_MODE = 0x01
SBC_STEREO_CHANNEL_MODE = 0x02
SBC_JOINT_STEREO_CHANNEL_MODE = 0x03
SBC_CHANNEL_MODE_NAMES = {
SBC_MONO_CHANNEL_MODE: 'SBC_MONO_CHANNEL_MODE',
SBC_DUAL_CHANNEL_MODE: 'SBC_DUAL_CHANNEL_MODE',
SBC_STEREO_CHANNEL_MODE: 'SBC_STEREO_CHANNEL_MODE',
SBC_JOINT_STEREO_CHANNEL_MODE: 'SBC_JOINT_STEREO_CHANNEL_MODE'
}
SBC_BLOCK_LENGTHS = [4, 8, 12, 16]
SBC_SUBBANDS = [4, 8]
SBC_SNR_ALLOCATION_METHOD = 0x00
SBC_LOUDNESS_ALLOCATION_METHOD = 0x01
SBC_ALLOCATION_METHOD_NAMES = {
SBC_SNR_ALLOCATION_METHOD: 'SBC_SNR_ALLOCATION_METHOD',
SBC_LOUDNESS_ALLOCATION_METHOD: 'SBC_LOUDNESS_ALLOCATION_METHOD'
}
MPEG_2_4_AAC_SAMPLING_FREQUENCIES = [
8000,
11025,
12000,
16000,
22050,
24000,
32000,
44100,
48000,
64000,
88200,
96000
]
MPEG_2_AAC_LC_OBJECT_TYPE = 0x00
MPEG_4_AAC_LC_OBJECT_TYPE = 0x01
MPEG_4_AAC_LTP_OBJECT_TYPE = 0x02
MPEG_4_AAC_SCALABLE_OBJECT_TYPE = 0x03
MPEG_2_4_OBJECT_TYPE_NAMES = {
MPEG_2_AAC_LC_OBJECT_TYPE: 'MPEG_2_AAC_LC_OBJECT_TYPE',
MPEG_4_AAC_LC_OBJECT_TYPE: 'MPEG_4_AAC_LC_OBJECT_TYPE',
MPEG_4_AAC_LTP_OBJECT_TYPE: 'MPEG_4_AAC_LTP_OBJECT_TYPE',
MPEG_4_AAC_SCALABLE_OBJECT_TYPE: 'MPEG_4_AAC_SCALABLE_OBJECT_TYPE'
}
# fmt: on
# -----------------------------------------------------------------------------
def flags_to_list(flags, values):
result = []
for i, value in enumerate(values):
if flags & (1 << (len(values) - i - 1)):
result.append(value)
return result
# -----------------------------------------------------------------------------
def make_audio_source_service_sdp_records(service_record_handle, version=(1, 3)):
# pylint: disable=import-outside-toplevel
from .avdtp import AVDTP_PSM
version_int = version[0] << 8 | version[1]
return [
ServiceAttribute(
SDP_SERVICE_RECORD_HANDLE_ATTRIBUTE_ID,
DataElement.unsigned_integer_32(service_record_handle),
),
ServiceAttribute(
SDP_BROWSE_GROUP_LIST_ATTRIBUTE_ID,
DataElement.sequence([DataElement.uuid(SDP_PUBLIC_BROWSE_ROOT)]),
),
ServiceAttribute(
SDP_SERVICE_CLASS_ID_LIST_ATTRIBUTE_ID,
DataElement.sequence([DataElement.uuid(BT_AUDIO_SOURCE_SERVICE)]),
),
ServiceAttribute(
SDP_PROTOCOL_DESCRIPTOR_LIST_ATTRIBUTE_ID,
DataElement.sequence(
[
DataElement.sequence(
[
DataElement.uuid(BT_L2CAP_PROTOCOL_ID),
DataElement.unsigned_integer_16(AVDTP_PSM),
]
),
DataElement.sequence(
[
DataElement.uuid(BT_AVDTP_PROTOCOL_ID),
DataElement.unsigned_integer_16(version_int),
]
),
]
),
),
ServiceAttribute(
SDP_BLUETOOTH_PROFILE_DESCRIPTOR_LIST_ATTRIBUTE_ID,
DataElement.sequence(
[
DataElement.uuid(BT_ADVANCED_AUDIO_DISTRIBUTION_SERVICE),
DataElement.unsigned_integer_16(version_int),
]
),
),
]
# -----------------------------------------------------------------------------
def make_audio_sink_service_sdp_records(service_record_handle, version=(1, 3)):
# pylint: disable=import-outside-toplevel
from .avdtp import AVDTP_PSM
version_int = version[0] << 8 | version[1]
return [
ServiceAttribute(
SDP_SERVICE_RECORD_HANDLE_ATTRIBUTE_ID,
DataElement.unsigned_integer_32(service_record_handle),
),
ServiceAttribute(
SDP_BROWSE_GROUP_LIST_ATTRIBUTE_ID,
DataElement.sequence([DataElement.uuid(SDP_PUBLIC_BROWSE_ROOT)]),
),
ServiceAttribute(
SDP_SERVICE_CLASS_ID_LIST_ATTRIBUTE_ID,
DataElement.sequence([DataElement.uuid(BT_AUDIO_SINK_SERVICE)]),
),
ServiceAttribute(
SDP_PROTOCOL_DESCRIPTOR_LIST_ATTRIBUTE_ID,
DataElement.sequence(
[
DataElement.sequence(
[
DataElement.uuid(BT_L2CAP_PROTOCOL_ID),
DataElement.unsigned_integer_16(AVDTP_PSM),
]
),
DataElement.sequence(
[
DataElement.uuid(BT_AVDTP_PROTOCOL_ID),
DataElement.unsigned_integer_16(version_int),
]
),
]
),
),
ServiceAttribute(
SDP_BLUETOOTH_PROFILE_DESCRIPTOR_LIST_ATTRIBUTE_ID,
DataElement.sequence(
[
DataElement.uuid(BT_ADVANCED_AUDIO_DISTRIBUTION_SERVICE),
DataElement.unsigned_integer_16(version_int),
]
),
),
]
# -----------------------------------------------------------------------------
class SbcMediaCodecInformation(
namedtuple(
'SbcMediaCodecInformation',
[
'sampling_frequency',
'channel_mode',
'block_length',
'subbands',
'allocation_method',
'minimum_bitpool_value',
'maximum_bitpool_value',
],
)
):
'''
A2DP spec - 4.3.2 Codec Specific Information Elements
'''
SAMPLING_FREQUENCY_BITS = {16000: 1 << 3, 32000: 1 << 2, 44100: 1 << 1, 48000: 1}
CHANNEL_MODE_BITS = {
SBC_MONO_CHANNEL_MODE: 1 << 3,
SBC_DUAL_CHANNEL_MODE: 1 << 2,
SBC_STEREO_CHANNEL_MODE: 1 << 1,
SBC_JOINT_STEREO_CHANNEL_MODE: 1,
}
BLOCK_LENGTH_BITS = {4: 1 << 3, 8: 1 << 2, 12: 1 << 1, 16: 1}
SUBBANDS_BITS = {4: 1 << 1, 8: 1}
ALLOCATION_METHOD_BITS = {
SBC_SNR_ALLOCATION_METHOD: 1 << 1,
SBC_LOUDNESS_ALLOCATION_METHOD: 1,
}
@staticmethod
def from_bytes(data: bytes) -> 'SbcMediaCodecInformation':
sampling_frequency = (data[0] >> 4) & 0x0F
channel_mode = (data[0] >> 0) & 0x0F
block_length = (data[1] >> 4) & 0x0F
subbands = (data[1] >> 2) & 0x03
allocation_method = (data[1] >> 0) & 0x03
minimum_bitpool_value = (data[2] >> 0) & 0xFF
maximum_bitpool_value = (data[3] >> 0) & 0xFF
return SbcMediaCodecInformation(
sampling_frequency,
channel_mode,
block_length,
subbands,
allocation_method,
minimum_bitpool_value,
maximum_bitpool_value,
)
@classmethod
def from_discrete_values(
cls,
sampling_frequency,
channel_mode,
block_length,
subbands,
allocation_method,
minimum_bitpool_value,
maximum_bitpool_value,
):
return SbcMediaCodecInformation(
sampling_frequency=cls.SAMPLING_FREQUENCY_BITS[sampling_frequency],
channel_mode=cls.CHANNEL_MODE_BITS[channel_mode],
block_length=cls.BLOCK_LENGTH_BITS[block_length],
subbands=cls.SUBBANDS_BITS[subbands],
allocation_method=cls.ALLOCATION_METHOD_BITS[allocation_method],
minimum_bitpool_value=minimum_bitpool_value,
maximum_bitpool_value=maximum_bitpool_value,
)
@classmethod
def from_lists(
cls,
sampling_frequencies,
channel_modes,
block_lengths,
subbands,
allocation_methods,
minimum_bitpool_value,
maximum_bitpool_value,
):
return SbcMediaCodecInformation(
sampling_frequency=sum(
cls.SAMPLING_FREQUENCY_BITS[x] for x in sampling_frequencies
),
channel_mode=sum(cls.CHANNEL_MODE_BITS[x] for x in channel_modes),
block_length=sum(cls.BLOCK_LENGTH_BITS[x] for x in block_lengths),
subbands=sum(cls.SUBBANDS_BITS[x] for x in subbands),
allocation_method=sum(
cls.ALLOCATION_METHOD_BITS[x] for x in allocation_methods
),
minimum_bitpool_value=minimum_bitpool_value,
maximum_bitpool_value=maximum_bitpool_value,
)
def __bytes__(self) -> bytes:
return bytes(
[
(self.sampling_frequency << 4) | self.channel_mode,
(self.block_length << 4)
| (self.subbands << 2)
| self.allocation_method,
self.minimum_bitpool_value,
self.maximum_bitpool_value,
]
)
def __str__(self):
channel_modes = ['MONO', 'DUAL_CHANNEL', 'STEREO', 'JOINT_STEREO']
allocation_methods = ['SNR', 'Loudness']
return '\n'.join(
# pylint: disable=line-too-long
[
'SbcMediaCodecInformation(',
f' sampling_frequency: {",".join([str(x) for x in flags_to_list(self.sampling_frequency, SBC_SAMPLING_FREQUENCIES)])}',
f' channel_mode: {",".join([str(x) for x in flags_to_list(self.channel_mode, channel_modes)])}',
f' block_length: {",".join([str(x) for x in flags_to_list(self.block_length, SBC_BLOCK_LENGTHS)])}',
f' subbands: {",".join([str(x) for x in flags_to_list(self.subbands, SBC_SUBBANDS)])}',
f' allocation_method: {",".join([str(x) for x in flags_to_list(self.allocation_method, allocation_methods)])}',
f' minimum_bitpool_value: {self.minimum_bitpool_value}',
f' maximum_bitpool_value: {self.maximum_bitpool_value}' ')',
]
)
# -----------------------------------------------------------------------------
class AacMediaCodecInformation(
namedtuple(
'AacMediaCodecInformation',
['object_type', 'sampling_frequency', 'channels', 'rfa', 'vbr', 'bitrate'],
)
):
'''
A2DP spec - 4.5.2 Codec Specific Information Elements
'''
OBJECT_TYPE_BITS = {
MPEG_2_AAC_LC_OBJECT_TYPE: 1 << 7,
MPEG_4_AAC_LC_OBJECT_TYPE: 1 << 6,
MPEG_4_AAC_LTP_OBJECT_TYPE: 1 << 5,
MPEG_4_AAC_SCALABLE_OBJECT_TYPE: 1 << 4,
}
SAMPLING_FREQUENCY_BITS = {
8000: 1 << 11,
11025: 1 << 10,
12000: 1 << 9,
16000: 1 << 8,
22050: 1 << 7,
24000: 1 << 6,
32000: 1 << 5,
44100: 1 << 4,
48000: 1 << 3,
64000: 1 << 2,
88200: 1 << 1,
96000: 1,
}
CHANNELS_BITS = {1: 1 << 1, 2: 1}
@staticmethod
def from_bytes(data: bytes) -> 'AacMediaCodecInformation':
object_type = data[0]
sampling_frequency = (data[1] << 4) | ((data[2] >> 4) & 0x0F)
channels = (data[2] >> 2) & 0x03
rfa = 0
vbr = (data[3] >> 7) & 0x01
bitrate = ((data[3] & 0x7F) << 16) | (data[4] << 8) | data[5]
return AacMediaCodecInformation(
object_type, sampling_frequency, channels, rfa, vbr, bitrate
)
@classmethod
def from_discrete_values(
cls, object_type, sampling_frequency, channels, vbr, bitrate
):
return AacMediaCodecInformation(
object_type=cls.OBJECT_TYPE_BITS[object_type],
sampling_frequency=cls.SAMPLING_FREQUENCY_BITS[sampling_frequency],
channels=cls.CHANNELS_BITS[channels],
rfa=0,
vbr=vbr,
bitrate=bitrate,
)
@classmethod
def from_lists(cls, object_types, sampling_frequencies, channels, vbr, bitrate):
return AacMediaCodecInformation(
object_type=sum(cls.OBJECT_TYPE_BITS[x] for x in object_types),
sampling_frequency=sum(
cls.SAMPLING_FREQUENCY_BITS[x] for x in sampling_frequencies
),
channels=sum(cls.CHANNELS_BITS[x] for x in channels),
rfa=0,
vbr=vbr,
bitrate=bitrate,
)
def __bytes__(self) -> bytes:
return bytes(
[
self.object_type & 0xFF,
(self.sampling_frequency >> 4) & 0xFF,
(((self.sampling_frequency & 0x0F) << 4) | (self.channels << 2)) & 0xFF,
((self.vbr << 7) | ((self.bitrate >> 16) & 0x7F)) & 0xFF,
((self.bitrate >> 8) & 0xFF) & 0xFF,
self.bitrate & 0xFF,
]
)
def __str__(self):
object_types = [
'MPEG_2_AAC_LC',
'MPEG_4_AAC_LC',
'MPEG_4_AAC_LTP',
'MPEG_4_AAC_SCALABLE',
'[4]',
'[5]',
'[6]',
'[7]',
]
channels = [1, 2]
# pylint: disable=line-too-long
return '\n'.join(
[
'AacMediaCodecInformation(',
f' object_type: {",".join([str(x) for x in flags_to_list(self.object_type, object_types)])}',
f' sampling_frequency: {",".join([str(x) for x in flags_to_list(self.sampling_frequency, MPEG_2_4_AAC_SAMPLING_FREQUENCIES)])}',
f' channels: {",".join([str(x) for x in flags_to_list(self.channels, channels)])}',
f' vbr: {self.vbr}',
f' bitrate: {self.bitrate}' ')',
]
)
# -----------------------------------------------------------------------------
class VendorSpecificMediaCodecInformation:
'''
A2DP spec - 4.7.2 Codec Specific Information Elements
'''
@staticmethod
def from_bytes(data):
(vendor_id, codec_id) = struct.unpack_from('<IH', data, 0)
return VendorSpecificMediaCodecInformation(vendor_id, codec_id, data[6:])
def __init__(self, vendor_id, codec_id, value):
self.vendor_id = vendor_id
self.codec_id = codec_id
self.value = value
def __bytes__(self):
return struct.pack('<IH', self.vendor_id, self.codec_id, self.value)
def __str__(self):
# pylint: disable=line-too-long
return '\n'.join(
[
'VendorSpecificMediaCodecInformation(',
f' vendor_id: {self.vendor_id:08X} ({name_or_number(COMPANY_IDENTIFIERS, self.vendor_id & 0xFFFF)})',
f' codec_id: {self.codec_id:04X}',
f' value: {self.value.hex()}' ')',
]
)
# -----------------------------------------------------------------------------
class SbcFrame:
def __init__(
self, sampling_frequency, block_count, channel_mode, subband_count, payload
):
self.sampling_frequency = sampling_frequency
self.block_count = block_count
self.channel_mode = channel_mode
self.subband_count = subband_count
self.payload = payload
@property
def sample_count(self):
return self.subband_count * self.block_count
@property
def bitrate(self):
return 8 * ((len(self.payload) * self.sampling_frequency) // self.sample_count)
@property
def duration(self):
return self.sample_count / self.sampling_frequency
def __str__(self):
return (
f'SBC(sf={self.sampling_frequency},'
f'cm={self.channel_mode},'
f'br={self.bitrate},'
f'sc={self.sample_count},'
f'size={len(self.payload)})'
)
# -----------------------------------------------------------------------------
class SbcParser:
def __init__(self, read):
self.read = read
@property
def frames(self):
async def generate_frames():
while True:
# Read 4 bytes of header
header = await self.read(4)
if len(header) != 4:
return
# Check the sync word
if header[0] != SBC_SYNC_WORD:
logger.debug('invalid sync word')
return
# Extract some of the header fields
sampling_frequency = SBC_SAMPLING_FREQUENCIES[(header[1] >> 6) & 3]
blocks = 4 * (1 + ((header[1] >> 4) & 3))
channel_mode = (header[1] >> 2) & 3
channels = 1 if channel_mode == SBC_MONO_CHANNEL_MODE else 2
subbands = 8 if ((header[1]) & 1) else 4
bitpool = header[2]
# Compute the frame length
frame_length = 4 + (4 * subbands * channels) // 8
if channel_mode in (SBC_MONO_CHANNEL_MODE, SBC_DUAL_CHANNEL_MODE):
frame_length += (blocks * channels * bitpool) // 8
else:
frame_length += (
(1 if channel_mode == SBC_JOINT_STEREO_CHANNEL_MODE else 0)
* subbands
+ blocks * bitpool
) // 8
# Read the rest of the frame
payload = header + await self.read(frame_length - 4)
# Emit the next frame
yield SbcFrame(
sampling_frequency, blocks, channel_mode, subbands, payload
)
return generate_frames()
# -----------------------------------------------------------------------------
class SbcPacketSource:
def __init__(self, read, mtu, codec_capabilities):
self.read = read
self.mtu = mtu
self.codec_capabilities = codec_capabilities
@property
def packets(self):
async def generate_packets():
# pylint: disable=import-outside-toplevel
from .avdtp import MediaPacket # Import here to avoid a circular reference
sequence_number = 0
timestamp = 0
frames = []
frames_size = 0
max_rtp_payload = self.mtu - 12 - 1
# NOTE: this doesn't support frame fragments
sbc_parser = SbcParser(self.read)
async for frame in sbc_parser.frames:
print(frame)
if (
frames_size + len(frame.payload) > max_rtp_payload
or len(frames) == 16
):
# Need to flush what has been accumulated so far
# Emit a packet
sbc_payload = bytes([len(frames)]) + b''.join(
[frame.payload for frame in frames]
)
packet = MediaPacket(
2, 0, 0, 0, sequence_number, timestamp, 0, [], 96, sbc_payload
)
packet.timestamp_seconds = timestamp / frame.sampling_frequency
yield packet
# Prepare for next packets
sequence_number += 1
timestamp += sum((frame.sample_count for frame in frames))
frames = [frame]
frames_size = len(frame.payload)
else:
# Accumulate
frames.append(frame)
frames_size += len(frame.payload)
return generate_packets()
-85
View File
@@ -1,85 +0,0 @@
# Copyright 2023 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from typing import List, Union
def tokenize_parameters(buffer: bytes) -> List[bytes]:
"""Split input parameters into tokens.
Removes space characters outside of double quote blocks:
T-rec-V-25 - 5.2.1 Command line general format: "Space characters (IA5 2/0)
are ignored [..], unless they are embedded in numeric or string constants"
Raises ValueError in case of invalid input string."""
tokens = []
in_quotes = False
token = bytearray()
for b in buffer:
char = bytearray([b])
if in_quotes:
token.extend(char)
if char == b'\"':
in_quotes = False
tokens.append(token[1:-1])
token = bytearray()
else:
if char == b' ':
pass
elif char == b',' or char == b')':
tokens.append(token)
tokens.append(char)
token = bytearray()
elif char == b'(':
if len(token) > 0:
raise ValueError("open_paren following regular character")
tokens.append(char)
elif char == b'"':
if len(token) > 0:
raise ValueError("quote following regular character")
in_quotes = True
token.extend(char)
else:
token.extend(char)
tokens.append(token)
return [bytes(token) for token in tokens if len(token) > 0]
def parse_parameters(buffer: bytes) -> List[Union[bytes, list]]:
"""Parse the parameters using the comma and parenthesis separators.
Raises ValueError in case of invalid input string."""
tokens = tokenize_parameters(buffer)
accumulator: List[list] = [[]]
current: Union[bytes, list] = bytes()
for token in tokens:
if token == b',':
accumulator[-1].append(current)
current = bytes()
elif token == b'(':
accumulator.append([])
elif token == b')':
if len(accumulator) < 2:
raise ValueError("close_paren without matching open_paren")
accumulator[-1].append(current)
current = accumulator.pop()
else:
current = token
accumulator[-1].append(current)
if len(accumulator) > 1:
raise ValueError("missing close_paren")
return accumulator[0]
-890
View File
@@ -1,890 +0,0 @@
# Copyright 2021-2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# -----------------------------------------------------------------------------
# ATT - Attribute Protocol
#
# See Bluetooth spec @ Vol 3, Part F
#
# -----------------------------------------------------------------------------
# -----------------------------------------------------------------------------
# Imports
# -----------------------------------------------------------------------------
from __future__ import annotations
import enum
import functools
import struct
from pyee import EventEmitter
from typing import Dict, Type, List, Protocol, Union, Optional, Any, TYPE_CHECKING
from bumble.core import UUID, name_or_number, ProtocolError
from bumble.hci import HCI_Object, key_with_value
from bumble.colors import color
if TYPE_CHECKING:
from bumble.device import Connection
# -----------------------------------------------------------------------------
# Constants
# -----------------------------------------------------------------------------
# fmt: off
# pylint: disable=line-too-long
ATT_CID = 0x04
ATT_ERROR_RESPONSE = 0x01
ATT_EXCHANGE_MTU_REQUEST = 0x02
ATT_EXCHANGE_MTU_RESPONSE = 0x03
ATT_FIND_INFORMATION_REQUEST = 0x04
ATT_FIND_INFORMATION_RESPONSE = 0x05
ATT_FIND_BY_TYPE_VALUE_REQUEST = 0x06
ATT_FIND_BY_TYPE_VALUE_RESPONSE = 0x07
ATT_READ_BY_TYPE_REQUEST = 0x08
ATT_READ_BY_TYPE_RESPONSE = 0x09
ATT_READ_REQUEST = 0x0A
ATT_READ_RESPONSE = 0x0B
ATT_READ_BLOB_REQUEST = 0x0C
ATT_READ_BLOB_RESPONSE = 0x0D
ATT_READ_MULTIPLE_REQUEST = 0x0E
ATT_READ_MULTIPLE_RESPONSE = 0x0F
ATT_READ_BY_GROUP_TYPE_REQUEST = 0x10
ATT_READ_BY_GROUP_TYPE_RESPONSE = 0x11
ATT_WRITE_REQUEST = 0x12
ATT_WRITE_RESPONSE = 0x13
ATT_WRITE_COMMAND = 0x52
ATT_SIGNED_WRITE_COMMAND = 0xD2
ATT_PREPARE_WRITE_REQUEST = 0x16
ATT_PREPARE_WRITE_RESPONSE = 0x17
ATT_EXECUTE_WRITE_REQUEST = 0x18
ATT_EXECUTE_WRITE_RESPONSE = 0x19
ATT_HANDLE_VALUE_NOTIFICATION = 0x1B
ATT_HANDLE_VALUE_INDICATION = 0x1D
ATT_HANDLE_VALUE_CONFIRMATION = 0x1E
ATT_PDU_NAMES = {
ATT_ERROR_RESPONSE: 'ATT_ERROR_RESPONSE',
ATT_EXCHANGE_MTU_REQUEST: 'ATT_EXCHANGE_MTU_REQUEST',
ATT_EXCHANGE_MTU_RESPONSE: 'ATT_EXCHANGE_MTU_RESPONSE',
ATT_FIND_INFORMATION_REQUEST: 'ATT_FIND_INFORMATION_REQUEST',
ATT_FIND_INFORMATION_RESPONSE: 'ATT_FIND_INFORMATION_RESPONSE',
ATT_FIND_BY_TYPE_VALUE_REQUEST: 'ATT_FIND_BY_TYPE_VALUE_REQUEST',
ATT_FIND_BY_TYPE_VALUE_RESPONSE: 'ATT_FIND_BY_TYPE_VALUE_RESPONSE',
ATT_READ_BY_TYPE_REQUEST: 'ATT_READ_BY_TYPE_REQUEST',
ATT_READ_BY_TYPE_RESPONSE: 'ATT_READ_BY_TYPE_RESPONSE',
ATT_READ_REQUEST: 'ATT_READ_REQUEST',
ATT_READ_RESPONSE: 'ATT_READ_RESPONSE',
ATT_READ_BLOB_REQUEST: 'ATT_READ_BLOB_REQUEST',
ATT_READ_BLOB_RESPONSE: 'ATT_READ_BLOB_RESPONSE',
ATT_READ_MULTIPLE_REQUEST: 'ATT_READ_MULTIPLE_REQUEST',
ATT_READ_MULTIPLE_RESPONSE: 'ATT_READ_MULTIPLE_RESPONSE',
ATT_READ_BY_GROUP_TYPE_REQUEST: 'ATT_READ_BY_GROUP_TYPE_REQUEST',
ATT_READ_BY_GROUP_TYPE_RESPONSE: 'ATT_READ_BY_GROUP_TYPE_RESPONSE',
ATT_WRITE_REQUEST: 'ATT_WRITE_REQUEST',
ATT_WRITE_RESPONSE: 'ATT_WRITE_RESPONSE',
ATT_WRITE_COMMAND: 'ATT_WRITE_COMMAND',
ATT_SIGNED_WRITE_COMMAND: 'ATT_SIGNED_WRITE_COMMAND',
ATT_PREPARE_WRITE_REQUEST: 'ATT_PREPARE_WRITE_REQUEST',
ATT_PREPARE_WRITE_RESPONSE: 'ATT_PREPARE_WRITE_RESPONSE',
ATT_EXECUTE_WRITE_REQUEST: 'ATT_EXECUTE_WRITE_REQUEST',
ATT_EXECUTE_WRITE_RESPONSE: 'ATT_EXECUTE_WRITE_RESPONSE',
ATT_HANDLE_VALUE_NOTIFICATION: 'ATT_HANDLE_VALUE_NOTIFICATION',
ATT_HANDLE_VALUE_INDICATION: 'ATT_HANDLE_VALUE_INDICATION',
ATT_HANDLE_VALUE_CONFIRMATION: 'ATT_HANDLE_VALUE_CONFIRMATION'
}
ATT_REQUESTS = [
ATT_EXCHANGE_MTU_REQUEST,
ATT_FIND_INFORMATION_REQUEST,
ATT_FIND_BY_TYPE_VALUE_REQUEST,
ATT_READ_BY_TYPE_REQUEST,
ATT_READ_REQUEST,
ATT_READ_BLOB_REQUEST,
ATT_READ_MULTIPLE_REQUEST,
ATT_READ_BY_GROUP_TYPE_REQUEST,
ATT_WRITE_REQUEST,
ATT_PREPARE_WRITE_REQUEST,
ATT_EXECUTE_WRITE_REQUEST
]
ATT_RESPONSES = [
ATT_ERROR_RESPONSE,
ATT_EXCHANGE_MTU_RESPONSE,
ATT_FIND_INFORMATION_RESPONSE,
ATT_FIND_BY_TYPE_VALUE_RESPONSE,
ATT_READ_BY_TYPE_RESPONSE,
ATT_READ_RESPONSE,
ATT_READ_BLOB_RESPONSE,
ATT_READ_MULTIPLE_RESPONSE,
ATT_READ_BY_GROUP_TYPE_RESPONSE,
ATT_WRITE_RESPONSE,
ATT_PREPARE_WRITE_RESPONSE,
ATT_EXECUTE_WRITE_RESPONSE
]
ATT_INVALID_HANDLE_ERROR = 0x01
ATT_READ_NOT_PERMITTED_ERROR = 0x02
ATT_WRITE_NOT_PERMITTED_ERROR = 0x03
ATT_INVALID_PDU_ERROR = 0x04
ATT_INSUFFICIENT_AUTHENTICATION_ERROR = 0x05
ATT_REQUEST_NOT_SUPPORTED_ERROR = 0x06
ATT_INVALID_OFFSET_ERROR = 0x07
ATT_INSUFFICIENT_AUTHORIZATION_ERROR = 0x08
ATT_PREPARE_QUEUE_FULL_ERROR = 0x09
ATT_ATTRIBUTE_NOT_FOUND_ERROR = 0x0A
ATT_ATTRIBUTE_NOT_LONG_ERROR = 0x0B
ATT_INSUFFICIENT_ENCRYPTION_KEY_SIZE_ERROR = 0x0C
ATT_INVALID_ATTRIBUTE_LENGTH_ERROR = 0x0D
ATT_UNLIKELY_ERROR_ERROR = 0x0E
ATT_INSUFFICIENT_ENCRYPTION_ERROR = 0x0F
ATT_UNSUPPORTED_GROUP_TYPE_ERROR = 0x10
ATT_INSUFFICIENT_RESOURCES_ERROR = 0x11
ATT_ERROR_NAMES = {
ATT_INVALID_HANDLE_ERROR: 'ATT_INVALID_HANDLE_ERROR',
ATT_READ_NOT_PERMITTED_ERROR: 'ATT_READ_NOT_PERMITTED_ERROR',
ATT_WRITE_NOT_PERMITTED_ERROR: 'ATT_WRITE_NOT_PERMITTED_ERROR',
ATT_INVALID_PDU_ERROR: 'ATT_INVALID_PDU_ERROR',
ATT_INSUFFICIENT_AUTHENTICATION_ERROR: 'ATT_INSUFFICIENT_AUTHENTICATION_ERROR',
ATT_REQUEST_NOT_SUPPORTED_ERROR: 'ATT_REQUEST_NOT_SUPPORTED_ERROR',
ATT_INVALID_OFFSET_ERROR: 'ATT_INVALID_OFFSET_ERROR',
ATT_INSUFFICIENT_AUTHORIZATION_ERROR: 'ATT_INSUFFICIENT_AUTHORIZATION_ERROR',
ATT_PREPARE_QUEUE_FULL_ERROR: 'ATT_PREPARE_QUEUE_FULL_ERROR',
ATT_ATTRIBUTE_NOT_FOUND_ERROR: 'ATT_ATTRIBUTE_NOT_FOUND_ERROR',
ATT_ATTRIBUTE_NOT_LONG_ERROR: 'ATT_ATTRIBUTE_NOT_LONG_ERROR',
ATT_INSUFFICIENT_ENCRYPTION_KEY_SIZE_ERROR: 'ATT_INSUFFICIENT_ENCRYPTION_KEY_SIZE_ERROR',
ATT_INVALID_ATTRIBUTE_LENGTH_ERROR: 'ATT_INVALID_ATTRIBUTE_LENGTH_ERROR',
ATT_UNLIKELY_ERROR_ERROR: 'ATT_UNLIKELY_ERROR_ERROR',
ATT_INSUFFICIENT_ENCRYPTION_ERROR: 'ATT_INSUFFICIENT_ENCRYPTION_ERROR',
ATT_UNSUPPORTED_GROUP_TYPE_ERROR: 'ATT_UNSUPPORTED_GROUP_TYPE_ERROR',
ATT_INSUFFICIENT_RESOURCES_ERROR: 'ATT_INSUFFICIENT_RESOURCES_ERROR'
}
ATT_DEFAULT_MTU = 23
HANDLE_FIELD_SPEC = {'size': 2, 'mapper': lambda x: f'0x{x:04X}'}
# pylint: disable-next=unnecessary-lambda-assignment,unnecessary-lambda
UUID_2_16_FIELD_SPEC = lambda x, y: UUID.parse_uuid(x, y)
# pylint: disable-next=unnecessary-lambda-assignment,unnecessary-lambda
UUID_2_FIELD_SPEC = lambda x, y: UUID.parse_uuid_2(x, y) # noqa: E731
# fmt: on
# pylint: enable=line-too-long
# pylint: disable=invalid-name
# -----------------------------------------------------------------------------
# Exceptions
# -----------------------------------------------------------------------------
class ATT_Error(ProtocolError):
def __init__(self, error_code, att_handle=0x0000, message=''):
super().__init__(
error_code,
error_namespace='att',
error_name=ATT_PDU.error_name(error_code),
)
self.att_handle = att_handle
self.message = message
def __str__(self):
return f'ATT_Error(error={self.error_name}, handle={self.att_handle:04X}): {self.message}'
# -----------------------------------------------------------------------------
# Attribute Protocol
# -----------------------------------------------------------------------------
class ATT_PDU:
'''
See Bluetooth spec @ Vol 3, Part F - 3.3 ATTRIBUTE PDU
'''
pdu_classes: Dict[int, Type[ATT_PDU]] = {}
op_code = 0
name: str
@staticmethod
def from_bytes(pdu):
op_code = pdu[0]
cls = ATT_PDU.pdu_classes.get(op_code)
if cls is None:
instance = ATT_PDU(pdu)
instance.name = ATT_PDU.pdu_name(op_code)
instance.op_code = op_code
return instance
self = cls.__new__(cls)
ATT_PDU.__init__(self, pdu)
if hasattr(self, 'fields'):
self.init_from_bytes(pdu, 1)
return self
@staticmethod
def pdu_name(op_code):
return name_or_number(ATT_PDU_NAMES, op_code, 2)
@staticmethod
def error_name(error_code):
return name_or_number(ATT_ERROR_NAMES, error_code, 2)
@staticmethod
def subclass(fields):
def inner(cls):
cls.name = cls.__name__.upper()
cls.op_code = key_with_value(ATT_PDU_NAMES, cls.name)
if cls.op_code is None:
raise KeyError(f'PDU name {cls.name} not found in ATT_PDU_NAMES')
cls.fields = fields
# Register a factory for this class
ATT_PDU.pdu_classes[cls.op_code] = cls
return cls
return inner
def __init__(self, pdu=None, **kwargs):
if hasattr(self, 'fields') and kwargs:
HCI_Object.init_from_fields(self, self.fields, kwargs)
if pdu is None:
pdu = bytes([self.op_code]) + HCI_Object.dict_to_bytes(kwargs, self.fields)
self.pdu = pdu
def init_from_bytes(self, pdu, offset):
return HCI_Object.init_from_bytes(self, pdu, offset, self.fields)
def to_bytes(self):
return self.pdu
@property
def is_command(self):
return ((self.op_code >> 6) & 1) == 1
@property
def has_authentication_signature(self):
return ((self.op_code >> 7) & 1) == 1
def __bytes__(self):
return self.to_bytes()
def __str__(self):
result = color(self.name, 'yellow')
if fields := getattr(self, 'fields', None):
result += ':\n' + HCI_Object.format_fields(self.__dict__, fields, ' ')
else:
if len(self.pdu) > 1:
result += f': {self.pdu.hex()}'
return result
# -----------------------------------------------------------------------------
@ATT_PDU.subclass(
[
('request_opcode_in_error', {'size': 1, 'mapper': ATT_PDU.pdu_name}),
('attribute_handle_in_error', HANDLE_FIELD_SPEC),
('error_code', {'size': 1, 'mapper': ATT_PDU.error_name}),
]
)
class ATT_Error_Response(ATT_PDU):
'''
See Bluetooth spec @ Vol 3, Part F - 3.4.1.1 Error Response
'''
# -----------------------------------------------------------------------------
@ATT_PDU.subclass([('client_rx_mtu', 2)])
class ATT_Exchange_MTU_Request(ATT_PDU):
'''
See Bluetooth spec @ Vol 3, Part F - 3.4.2.1 Exchange MTU Request
'''
# -----------------------------------------------------------------------------
@ATT_PDU.subclass([('server_rx_mtu', 2)])
class ATT_Exchange_MTU_Response(ATT_PDU):
'''
See Bluetooth spec @ Vol 3, Part F - 3.4.2.2 Exchange MTU Response
'''
# -----------------------------------------------------------------------------
@ATT_PDU.subclass(
[('starting_handle', HANDLE_FIELD_SPEC), ('ending_handle', HANDLE_FIELD_SPEC)]
)
class ATT_Find_Information_Request(ATT_PDU):
'''
See Bluetooth spec @ Vol 3, Part F - 3.4.3.1 Find Information Request
'''
# -----------------------------------------------------------------------------
@ATT_PDU.subclass([('format', 1), ('information_data', '*')])
class ATT_Find_Information_Response(ATT_PDU):
'''
See Bluetooth spec @ Vol 3, Part F - 3.4.3.2 Find Information Response
'''
def parse_information_data(self):
self.information = []
offset = 0
uuid_size = 2 if self.format == 1 else 16
while offset + uuid_size <= len(self.information_data):
handle = struct.unpack_from('<H', self.information_data, offset)[0]
uuid = self.information_data[2 + offset : 2 + offset + uuid_size]
self.information.append((handle, uuid))
offset += 2 + uuid_size
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.parse_information_data()
def init_from_bytes(self, pdu, offset):
super().init_from_bytes(pdu, offset)
self.parse_information_data()
def __str__(self):
result = color(self.name, 'yellow')
result += ':\n' + HCI_Object.format_fields(
self.__dict__,
[
('format', 1),
(
'information',
{
'mapper': lambda x: ', '.join(
[f'0x{handle:04X}:{uuid.hex()}' for handle, uuid in x]
)
},
),
],
' ',
)
return result
# -----------------------------------------------------------------------------
@ATT_PDU.subclass(
[
('starting_handle', HANDLE_FIELD_SPEC),
('ending_handle', HANDLE_FIELD_SPEC),
('attribute_type', UUID_2_FIELD_SPEC),
('attribute_value', '*'),
]
)
class ATT_Find_By_Type_Value_Request(ATT_PDU):
'''
See Bluetooth spec @ Vol 3, Part F - 3.4.3.3 Find By Type Value Request
'''
# -----------------------------------------------------------------------------
@ATT_PDU.subclass([('handles_information_list', '*')])
class ATT_Find_By_Type_Value_Response(ATT_PDU):
'''
See Bluetooth spec @ Vol 3, Part F - 3.4.3.4 Find By Type Value Response
'''
def parse_handles_information_list(self):
self.handles_information = []
offset = 0
while offset + 4 <= len(self.handles_information_list):
found_attribute_handle, group_end_handle = struct.unpack_from(
'<HH', self.handles_information_list, offset
)
self.handles_information.append((found_attribute_handle, group_end_handle))
offset += 4
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.parse_handles_information_list()
def init_from_bytes(self, pdu, offset):
super().init_from_bytes(pdu, offset)
self.parse_handles_information_list()
def __str__(self):
result = color(self.name, 'yellow')
result += ':\n' + HCI_Object.format_fields(
self.__dict__,
[
(
'handles_information',
{
'mapper': lambda x: ', '.join(
[
f'0x{handle1:04X}-0x{handle2:04X}'
for handle1, handle2 in x
]
)
},
)
],
' ',
)
return result
# -----------------------------------------------------------------------------
@ATT_PDU.subclass(
[
('starting_handle', HANDLE_FIELD_SPEC),
('ending_handle', HANDLE_FIELD_SPEC),
('attribute_type', UUID_2_16_FIELD_SPEC),
]
)
class ATT_Read_By_Type_Request(ATT_PDU):
'''
See Bluetooth spec @ Vol 3, Part F - 3.4.4.1 Read By Type Request
'''
# -----------------------------------------------------------------------------
@ATT_PDU.subclass([('length', 1), ('attribute_data_list', '*')])
class ATT_Read_By_Type_Response(ATT_PDU):
'''
See Bluetooth spec @ Vol 3, Part F - 3.4.4.2 Read By Type Response
'''
def parse_attribute_data_list(self):
self.attributes = []
offset = 0
while self.length != 0 and offset + self.length <= len(
self.attribute_data_list
):
(attribute_handle,) = struct.unpack_from(
'<H', self.attribute_data_list, offset
)
attribute_value = self.attribute_data_list[
offset + 2 : offset + self.length
]
self.attributes.append((attribute_handle, attribute_value))
offset += self.length
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.parse_attribute_data_list()
def init_from_bytes(self, pdu, offset):
super().init_from_bytes(pdu, offset)
self.parse_attribute_data_list()
def __str__(self):
result = color(self.name, 'yellow')
result += ':\n' + HCI_Object.format_fields(
self.__dict__,
[
('length', 1),
(
'attributes',
{
'mapper': lambda x: ', '.join(
[f'0x{handle:04X}:{value.hex()}' for handle, value in x]
)
},
),
],
' ',
)
return result
# -----------------------------------------------------------------------------
@ATT_PDU.subclass([('attribute_handle', HANDLE_FIELD_SPEC)])
class ATT_Read_Request(ATT_PDU):
'''
See Bluetooth spec @ Vol 3, Part F - 3.4.4.3 Read Request
'''
# -----------------------------------------------------------------------------
@ATT_PDU.subclass([('attribute_value', '*')])
class ATT_Read_Response(ATT_PDU):
'''
See Bluetooth spec @ Vol 3, Part F - 3.4.4.4 Read Response
'''
# -----------------------------------------------------------------------------
@ATT_PDU.subclass([('attribute_handle', HANDLE_FIELD_SPEC), ('value_offset', 2)])
class ATT_Read_Blob_Request(ATT_PDU):
'''
See Bluetooth spec @ Vol 3, Part F - 3.4.4.5 Read Blob Request
'''
# -----------------------------------------------------------------------------
@ATT_PDU.subclass([('part_attribute_value', '*')])
class ATT_Read_Blob_Response(ATT_PDU):
'''
See Bluetooth spec @ Vol 3, Part F - 3.4.4.6 Read Blob Response
'''
# -----------------------------------------------------------------------------
@ATT_PDU.subclass([('set_of_handles', '*')])
class ATT_Read_Multiple_Request(ATT_PDU):
'''
See Bluetooth spec @ Vol 3, Part F - 3.4.4.7 Read Multiple Request
'''
# -----------------------------------------------------------------------------
@ATT_PDU.subclass([('set_of_values', '*')])
class ATT_Read_Multiple_Response(ATT_PDU):
'''
See Bluetooth spec @ Vol 3, Part F - 3.4.4.8 Read Multiple Response
'''
# -----------------------------------------------------------------------------
@ATT_PDU.subclass(
[
('starting_handle', HANDLE_FIELD_SPEC),
('ending_handle', HANDLE_FIELD_SPEC),
('attribute_group_type', UUID_2_16_FIELD_SPEC),
]
)
class ATT_Read_By_Group_Type_Request(ATT_PDU):
'''
See Bluetooth spec @ Vol 3, Part F - 3.4.4.9 Read by Group Type Request
'''
# -----------------------------------------------------------------------------
@ATT_PDU.subclass([('length', 1), ('attribute_data_list', '*')])
class ATT_Read_By_Group_Type_Response(ATT_PDU):
'''
See Bluetooth spec @ Vol 3, Part F - 3.4.4.10 Read by Group Type Response
'''
def parse_attribute_data_list(self):
self.attributes = []
offset = 0
while self.length != 0 and offset + self.length <= len(
self.attribute_data_list
):
attribute_handle, end_group_handle = struct.unpack_from(
'<HH', self.attribute_data_list, offset
)
attribute_value = self.attribute_data_list[
offset + 4 : offset + self.length
]
self.attributes.append(
(attribute_handle, end_group_handle, attribute_value)
)
offset += self.length
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.parse_attribute_data_list()
def init_from_bytes(self, pdu, offset):
super().init_from_bytes(pdu, offset)
self.parse_attribute_data_list()
def __str__(self):
result = color(self.name, 'yellow')
result += ':\n' + HCI_Object.format_fields(
self.__dict__,
[
('length', 1),
(
'attributes',
{
'mapper': lambda x: ', '.join(
[
f'0x{handle:04X}-0x{end:04X}:{value.hex()}'
for handle, end, value in x
]
)
},
),
],
' ',
)
return result
# -----------------------------------------------------------------------------
@ATT_PDU.subclass([('attribute_handle', HANDLE_FIELD_SPEC), ('attribute_value', '*')])
class ATT_Write_Request(ATT_PDU):
'''
See Bluetooth spec @ Vol 3, Part F - 3.4.5.1 Write Request
'''
# -----------------------------------------------------------------------------
@ATT_PDU.subclass([])
class ATT_Write_Response(ATT_PDU):
'''
See Bluetooth spec @ Vol 3, Part F - 3.4.5.2 Write Response
'''
# -----------------------------------------------------------------------------
@ATT_PDU.subclass([('attribute_handle', HANDLE_FIELD_SPEC), ('attribute_value', '*')])
class ATT_Write_Command(ATT_PDU):
'''
See Bluetooth spec @ Vol 3, Part F - 3.4.5.3 Write Command
'''
# -----------------------------------------------------------------------------
@ATT_PDU.subclass(
[
('attribute_handle', HANDLE_FIELD_SPEC),
('attribute_value', '*')
# ('authentication_signature', 'TODO')
]
)
class ATT_Signed_Write_Command(ATT_PDU):
'''
See Bluetooth spec @ Vol 3, Part F - 3.4.5.4 Signed Write Command
'''
# -----------------------------------------------------------------------------
@ATT_PDU.subclass(
[
('attribute_handle', HANDLE_FIELD_SPEC),
('value_offset', 2),
('part_attribute_value', '*'),
]
)
class ATT_Prepare_Write_Request(ATT_PDU):
'''
See Bluetooth spec @ Vol 3, Part F - 3.4.6.1 Prepare Write Request
'''
# -----------------------------------------------------------------------------
@ATT_PDU.subclass(
[
('attribute_handle', HANDLE_FIELD_SPEC),
('value_offset', 2),
('part_attribute_value', '*'),
]
)
class ATT_Prepare_Write_Response(ATT_PDU):
'''
See Bluetooth spec @ Vol 3, Part F - 3.4.6.2 Prepare Write Response
'''
# -----------------------------------------------------------------------------
@ATT_PDU.subclass([])
class ATT_Execute_Write_Request(ATT_PDU):
'''
See Bluetooth spec @ Vol 3, Part F - 3.4.6.3 Execute Write Request
'''
# -----------------------------------------------------------------------------
@ATT_PDU.subclass([])
class ATT_Execute_Write_Response(ATT_PDU):
'''
See Bluetooth spec @ Vol 3, Part F - 3.4.6.4 Execute Write Response
'''
# -----------------------------------------------------------------------------
@ATT_PDU.subclass([('attribute_handle', HANDLE_FIELD_SPEC), ('attribute_value', '*')])
class ATT_Handle_Value_Notification(ATT_PDU):
'''
See Bluetooth spec @ Vol 3, Part F - 3.4.7.1 Handle Value Notification
'''
# -----------------------------------------------------------------------------
@ATT_PDU.subclass([('attribute_handle', HANDLE_FIELD_SPEC), ('attribute_value', '*')])
class ATT_Handle_Value_Indication(ATT_PDU):
'''
See Bluetooth spec @ Vol 3, Part F - 3.4.7.2 Handle Value Indication
'''
# -----------------------------------------------------------------------------
@ATT_PDU.subclass([])
class ATT_Handle_Value_Confirmation(ATT_PDU):
'''
See Bluetooth spec @ Vol 3, Part F - 3.4.7.3 Handle Value Confirmation
'''
# -----------------------------------------------------------------------------
class ConnectionValue(Protocol):
def read(self, connection) -> bytes:
...
def write(self, connection, value: bytes) -> None:
...
# -----------------------------------------------------------------------------
class Attribute(EventEmitter):
class Permissions(enum.IntFlag):
READABLE = 0x01
WRITEABLE = 0x02
READ_REQUIRES_ENCRYPTION = 0x04
WRITE_REQUIRES_ENCRYPTION = 0x08
READ_REQUIRES_AUTHENTICATION = 0x10
WRITE_REQUIRES_AUTHENTICATION = 0x20
READ_REQUIRES_AUTHORIZATION = 0x40
WRITE_REQUIRES_AUTHORIZATION = 0x80
@classmethod
def from_string(cls, permissions_str: str) -> Attribute.Permissions:
try:
return functools.reduce(
lambda x, y: x | Attribute.Permissions[y],
permissions_str.replace('|', ',').split(","),
Attribute.Permissions(0),
)
except TypeError as exc:
# The check for `p.name is not None` here is needed because for InFlag
# enums, the .name property can be None, when the enum value is 0,
# so the type hint for .name is Optional[str].
enum_list: List[str] = [p.name for p in cls if p.name is not None]
enum_list_str = ",".join(enum_list)
raise TypeError(
f"Attribute::permissions error:\nExpected a string containing any of the keys, separated by commas: {enum_list_str }\nGot: {permissions_str}"
) from exc
# Permission flags(legacy-use only)
READABLE = Permissions.READABLE
WRITEABLE = Permissions.WRITEABLE
READ_REQUIRES_ENCRYPTION = Permissions.READ_REQUIRES_ENCRYPTION
WRITE_REQUIRES_ENCRYPTION = Permissions.WRITE_REQUIRES_ENCRYPTION
READ_REQUIRES_AUTHENTICATION = Permissions.READ_REQUIRES_AUTHENTICATION
WRITE_REQUIRES_AUTHENTICATION = Permissions.WRITE_REQUIRES_AUTHENTICATION
READ_REQUIRES_AUTHORIZATION = Permissions.READ_REQUIRES_AUTHORIZATION
WRITE_REQUIRES_AUTHORIZATION = Permissions.WRITE_REQUIRES_AUTHORIZATION
value: Union[str, bytes, ConnectionValue]
def __init__(
self,
attribute_type: Union[str, bytes, UUID],
permissions: Union[str, Attribute.Permissions],
value: Union[str, bytes, ConnectionValue] = b'',
) -> None:
EventEmitter.__init__(self)
self.handle = 0
self.end_group_handle = 0
if isinstance(permissions, str):
self.permissions = Attribute.Permissions.from_string(permissions)
else:
self.permissions = permissions
# Convert the type to a UUID object if it isn't already
if isinstance(attribute_type, str):
self.type = UUID(attribute_type)
elif isinstance(attribute_type, bytes):
self.type = UUID.from_bytes(attribute_type)
else:
self.type = attribute_type
# Convert the value to a byte array
if isinstance(value, str):
self.value = bytes(value, 'utf-8')
else:
self.value = value
def encode_value(self, value: Any) -> bytes:
return value
def decode_value(self, value_bytes: bytes) -> Any:
return value_bytes
def read_value(self, connection: Optional[Connection]) -> bytes:
if (
(self.permissions & self.READ_REQUIRES_ENCRYPTION)
and connection is not None
and not connection.encryption
):
raise ATT_Error(
error_code=ATT_INSUFFICIENT_ENCRYPTION_ERROR, att_handle=self.handle
)
if (
(self.permissions & self.READ_REQUIRES_AUTHENTICATION)
and connection is not None
and not connection.authenticated
):
raise ATT_Error(
error_code=ATT_INSUFFICIENT_AUTHENTICATION_ERROR, att_handle=self.handle
)
if self.permissions & self.READ_REQUIRES_AUTHORIZATION:
# TODO: handle authorization better
raise ATT_Error(
error_code=ATT_INSUFFICIENT_AUTHORIZATION_ERROR, att_handle=self.handle
)
if hasattr(self.value, 'read'):
try:
value = self.value.read(connection)
except ATT_Error as error:
raise ATT_Error(
error_code=error.error_code, att_handle=self.handle
) from error
else:
value = self.value
return self.encode_value(value)
def write_value(self, connection: Connection, value_bytes: bytes) -> None:
if (
self.permissions & self.WRITE_REQUIRES_ENCRYPTION
) and not connection.encryption:
raise ATT_Error(
error_code=ATT_INSUFFICIENT_ENCRYPTION_ERROR, att_handle=self.handle
)
if (
self.permissions & self.WRITE_REQUIRES_AUTHENTICATION
) and not connection.authenticated:
raise ATT_Error(
error_code=ATT_INSUFFICIENT_AUTHENTICATION_ERROR, att_handle=self.handle
)
if self.permissions & self.WRITE_REQUIRES_AUTHORIZATION:
# TODO: handle authorization better
raise ATT_Error(
error_code=ATT_INSUFFICIENT_AUTHORIZATION_ERROR, att_handle=self.handle
)
value = self.decode_value(value_bytes)
if hasattr(self.value, 'write'):
try:
self.value.write(connection, value) # pylint: disable=not-callable
except ATT_Error as error:
raise ATT_Error(
error_code=error.error_code, att_handle=self.handle
) from error
else:
self.value = value
self.emit('write', connection, value)
def __repr__(self):
if isinstance(self.value, bytes):
value_str = self.value.hex()
else:
value_str = str(self.value)
if value_str:
value_string = f', value={self.value.hex()}'
else:
value_string = ''
return (
f'Attribute(handle=0x{self.handle:04X}, '
f'type={self.type}, '
f'permissions={self.permissions}{value_string})'
)
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