Add PlivoFrameSerializer

examples/plivo-chatbot/server.py

@@ -0,0 +1,59 @@
+#
+# Copyright (c) 2025, Daily
+#
+# SPDX-License-Identifier: BSD 2-Clause License
+#
+
+import argparse
+import json
+
+import uvicorn
+from bot import run_bot
+from fastapi import FastAPI, WebSocket
+from fastapi.middleware.cors import CORSMiddleware
+from loguru import logger
+from starlette.responses import HTMLResponse
+
+app = FastAPI()
+
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],  # Allow all origins for testing
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+
+@app.post("/")
+async def start_call():
+    print("POST Plivo XML")
+    return HTMLResponse(content=open("templates/streams.xml").read(), media_type="application/xml")
+
+
+@app.websocket("/ws")
+async def websocket_endpoint(websocket: WebSocket):
+    await websocket.accept()
+
+    # Plivo sends a start event when the stream begins
+    start_data = websocket.iter_text()
+    start_message = json.loads(await start_data.__anext__())
+
+    print("Received start message:", start_message, flush=True)
+
+    # Extract stream_id and call_id from the start event
+    start_info = start_message.get("start", {})
+    stream_id = start_info.get("streamId")
+    call_id = start_info.get("callId")
+
+    if not stream_id:
+        logger.error("No streamId found in start message")
+        await websocket.close()
+        return
+
+    print(f"WebSocket connection accepted for stream: {stream_id}, call: {call_id}")
+    await run_bot(websocket, stream_id, call_id)
+
+
+if __name__ == "__main__":
+    uvicorn.run(app, host="0.0.0.0", port=8765)