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transport(websocket-server): add on_client_disconnected

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This commit is contained in:
Aleix Conchillo Flaqué
2024-05-31 12:51:37 -07:00
parent 38befe1dc1
commit 58d20ec9dc
1 changed files with 18 additions and 5 deletions
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23
src/pipecat/transports/network/websocket_server.py
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@@ -32,7 +32,8 @@ class WebsocketServerParams(TransportParams):
class WebsocketServerCallbacks(BaseModel):
on_connection: Callable[[websockets.WebSocketServerProtocol], Awaitable[None]]
on_client_connected: Callable[[websockets.WebSocketServerProtocol], Awaitable[None]]
on_client_disconnected: Callable[[websockets.WebSocketServerProtocol], Awaitable[None]]
class WebsocketServerInputTransport(BaseInputTransport):
@@ -84,7 +85,7 @@ class WebsocketServerInputTransport(BaseInputTransport):
self._websocket = websocket
# Notify
await self._callbacks.on_connection(websocket)
await self._callbacks.on_client_connected(websocket)
# Handle incoming messages
async for message in websocket:
@@ -94,6 +95,9 @@ class WebsocketServerInputTransport(BaseInputTransport):
else:
await self._internal_push_frame(frame)
# Notify disconnection
await self._callbacks.on_client_disconnected(websocket)
await self._websocket.close()
self._websocket = None
@@ -111,7 +115,7 @@ class WebsocketServerOutputTransport(BaseOutputTransport):
self._audio_buffer = bytes()
async def set_client_connection(self, websocket: websockets.WebSocketServerProtocol):
async def set_client_connection(self, websocket: websockets.WebSocketServerProtocol | None):
if self._websocket:
await self._websocket.close()
logger.warning("Only one client allowed, using new connection")
@@ -164,7 +168,8 @@ class WebsocketServerTransport(BaseTransport):
self._params = params
self._callbacks = WebsocketServerCallbacks(
on_connection=self._on_connection
on_client_connected=self._on_client_connected,
on_client_disconnected=self._on_client_disconnected
)
self._input: WebsocketServerInputTransport | None = None
self._output: WebsocketServerOutputTransport | None = None
@@ -173,6 +178,7 @@ class WebsocketServerTransport(BaseTransport):
# Register supported handlers. The user will only be able to register
# these handlers.
self._register_event_handler("on_client_connected")
self._register_event_handler("on_client_disconnected")
def input(self) -> FrameProcessor:
if not self._input:
@@ -185,9 +191,16 @@ class WebsocketServerTransport(BaseTransport):
self._output = WebsocketServerOutputTransport(self._params)
return self._output
async def _on_connection(self, websocket):
async def _on_client_connected(self, websocket):
if self._output:
await self._output.set_client_connection(websocket)
await self._call_event_handler("on_client_connected", websocket)
else:
logger.error("A WebsocketServerTransport output is missing in the pipeline")
async def _on_client_disconnected(self, websocket):
if self._output:
await self._output.set_client_connection(None)
await self._call_event_handler("on_client_disconnected", websocket)
else:
logger.error("A WebsocketServerTransport output is missing in the pipeline")