initial import

2026-04-18 00:45:32 +00:00 · 2022-05-16 19:42:31 -07:00
commit 6ac91f7dec
185 changed files with 32064 additions and 0 deletions
--- a/examples/run_rfcomm_server.py
+++ b/examples/run_rfcomm_server.py
@@ -0,0 +1,118 @@
+# 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 sys
+import os
+import logging
+
+from bumble.device import Device
+from bumble.transport import open_transport_or_link
+from bumble.core import UUID
+from bumble.rfcomm import Server
+from bumble.sdp import (
+    DataElement,
+    ServiceAttribute,
+    SDP_PUBLIC_BROWSE_ROOT,
+    SDP_SERVICE_RECORD_HANDLE_ATTRIBUTE_ID,
+    SDP_BROWSE_GROUP_LIST_ATTRIBUTE_ID,
+    SDP_SERVICE_CLASS_ID_LIST_ATTRIBUTE_ID,
+    SDP_PROTOCOL_DESCRIPTOR_LIST_ATTRIBUTE_ID
+)
+from bumble.hci import BT_L2CAP_PROTOCOL_ID, BT_RFCOMM_PROTOCOL_ID
+
+
+# -----------------------------------------------------------------------------
+def sdp_records(channel):
+    return {
+        0x00010001: [
+            ServiceAttribute(SDP_SERVICE_RECORD_HANDLE_ATTRIBUTE_ID, DataElement.unsigned_integer_32(0x00010001)),
+            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(UUID('E6D55659-C8B4-4B85-96BB-B1143AF6D3AE'))
+            ])),
+            ServiceAttribute(SDP_PROTOCOL_DESCRIPTOR_LIST_ATTRIBUTE_ID, DataElement.sequence([
+                DataElement.sequence([
+                    DataElement.uuid(BT_L2CAP_PROTOCOL_ID)
+                ]),
+                DataElement.sequence([
+                    DataElement.uuid(BT_RFCOMM_PROTOCOL_ID),
+                    DataElement.unsigned_integer_8(channel)
+                ])
+            ]))
+        ]
+    }
+
+
+# -----------------------------------------------------------------------------
+def on_dlc(dlc):
+    print('*** DLC connected', dlc)
+    dlc.sink = lambda data: on_rfcomm_data_received(dlc, data)
+
+
+# -----------------------------------------------------------------------------
+def on_rfcomm_data_received(dlc, data):
+    print(f'<<< Data received: {data.hex()}')
+    try:
+        message = data.decode('utf-8')
+        print(f'<<< Message = {message}')
+    except Exception:
+        pass
+
+    # Echo everything back
+    dlc.write(data)
+
+
+# -----------------------------------------------------------------------------
+async def main():
+    if len(sys.argv) < 3:
+        print('Usage: run_rfcomm_server.py <device-config> <transport-spec>')
+        print('example: run_rfcomm_server.py classic2.json usb:04b4:f901')
+        return
+
+    print('<<< connecting to HCI...')
+    async with await open_transport_or_link(sys.argv[2]) as (hci_source, hci_sink):
+        print('<<< connected')
+
+        # Create a device
+        device = Device.from_config_file_with_hci(sys.argv[1], hci_source, hci_sink)
+        device.classic_enabled = True
+
+        # Create and register a server
+        rfcomm_server = Server(device)
+
+        # Listen for incoming DLC connections
+        channel_number = rfcomm_server.listen(on_dlc)
+        print(f'### Listening for connection on channel {channel_number}')
+
+        # Setup the SDP to advertise this channel
+        device.sdp_service_records = sdp_records(channel_number)
+
+        # Start the controller
+        await device.power_on()
+
+        # Start being discoverable and connectable
+        await device.set_discoverable(True)
+        await device.set_connectable(True)
+
+        await hci_source.wait_for_termination()
+
+# -----------------------------------------------------------------------------
+logging.basicConfig(level = os.environ.get('BUMBLE_LOGLEVEL', 'DEBUG').upper())
+asyncio.run(main())