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Controller: SCO implementation

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This commit is contained in:
Josh Wu
2023-12-28 14:18:56 +08:00
parent 8ccfc90fe6
commit 8d46bc04d2
8 changed files with 274 additions and 34 deletions
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56
bumble/link.py
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@@ -26,9 +26,13 @@ from bumble.hci import (
HCI_SUCCESS,
HCI_CONNECTION_ACCEPT_TIMEOUT_ERROR,
HCI_CONNECTION_TIMEOUT_ERROR,
HCI_UNKNOWN_CONNECTION_IDENTIFIER_ERROR,
HCI_PAGE_TIMEOUT_ERROR,
HCI_Connection_Complete_Event,
)
from bumble import controller
from typing import Optional, Set
# -----------------------------------------------------------------------------
# Logging
@@ -57,6 +61,8 @@ class LocalLink:
Link bus for controllers to communicate with each other
'''
controllers: Set[controller.Controller]
def __init__(self):
self.controllers = set()
self.pending_connection = None
@@ -79,7 +85,9 @@ class LocalLink:
return controller
return None
def find_classic_controller(self, address):
def find_classic_controller(
self, address: Address
) -> Optional[controller.Controller]:
for controller in self.controllers:
if controller.public_address == address:
return controller
@@ -271,6 +279,52 @@ class LocalLink:
initiator_controller.public_address, int(not (initiator_new_role))
)
def classic_sco_connect(
self,
initiator_controller: controller.Controller,
responder_address: Address,
link_type: int,
):
logger.debug(
f'[Classic] {initiator_controller.public_address} connects SCO to {responder_address}'
)
responder_controller = self.find_classic_controller(responder_address)
# Initiator controller should handle it.
assert responder_controller
responder_controller.on_classic_connection_request(
initiator_controller.public_address,
link_type,
)
def classic_accept_sco_connection(
self,
responder_controller: controller.Controller,
initiator_address: Address,
link_type: int,
):
logger.debug(
f'[Classic] {responder_controller.public_address} accepts to connect SCO {initiator_address}'
)
initiator_controller = self.find_classic_controller(initiator_address)
if initiator_controller is None:
responder_controller.on_classic_sco_connection_complete(
responder_controller.public_address,
HCI_UNKNOWN_CONNECTION_IDENTIFIER_ERROR,
link_type,
)
return
async def task():
initiator_controller.on_classic_sco_connection_complete(
responder_controller.public_address, HCI_SUCCESS, link_type
)
asyncio.create_task(task())
responder_controller.on_classic_sco_connection_complete(
initiator_controller.public_address, HCI_SUCCESS, link_type
)
# -----------------------------------------------------------------------------
class RemoteLink: