refac: mv backend files to /open_webui dir

backend/open_webui/apps/socket/main.py

@@ -0,0 +1,170 @@
+import asyncio
+
+import socketio
+from open_webui.apps.webui.models.users import Users
+from open_webui.utils.utils import decode_token
+
+sio = socketio.AsyncServer(cors_allowed_origins=[], async_mode="asgi")
+app = socketio.ASGIApp(sio, socketio_path="/ws/socket.io")
+
+# Dictionary to maintain the user pool
+
+SESSION_POOL = {}
+USER_POOL = {}
+USAGE_POOL = {}
+# Timeout duration in seconds
+TIMEOUT_DURATION = 3
+
+
+@sio.event
+async def connect(sid, environ, auth):
+    user = None
+    if auth and "token" in auth:
+        data = decode_token(auth["token"])
+
+        if data is not None and "id" in data:
+            user = Users.get_user_by_id(data["id"])
+
+        if user:
+            SESSION_POOL[sid] = user.id
+            if user.id in USER_POOL:
+                USER_POOL[user.id].append(sid)
+            else:
+                USER_POOL[user.id] = [sid]
+
+            print(f"user {user.name}({user.id}) connected with session ID {sid}")
+
+            await sio.emit("user-count", {"count": len(set(USER_POOL))})
+            await sio.emit("usage", {"models": get_models_in_use()})
+
+
+@sio.on("user-join")
+async def user_join(sid, data):
+    print("user-join", sid, data)
+
+    auth = data["auth"] if "auth" in data else None
+    if not auth or "token" not in auth:
+        return
+
+    data = decode_token(auth["token"])
+    if data is None or "id" not in data:
+        return
+
+    user = Users.get_user_by_id(data["id"])
+    if not user:
+        return
+
+    SESSION_POOL[sid] = user.id
+    if user.id in USER_POOL:
+        USER_POOL[user.id].append(sid)
+    else:
+        USER_POOL[user.id] = [sid]
+
+    print(f"user {user.name}({user.id}) connected with session ID {sid}")
+
+    await sio.emit("user-count", {"count": len(set(USER_POOL))})
+
+
+@sio.on("user-count")
+async def user_count(sid):
+    await sio.emit("user-count", {"count": len(set(USER_POOL))})
+
+
+def get_models_in_use():
+    # Aggregate all models in use
+    models_in_use = []
+    for model_id, data in USAGE_POOL.items():
+        models_in_use.append(model_id)
+
+    return models_in_use
+
+
+@sio.on("usage")
+async def usage(sid, data):
+    model_id = data["model"]
+
+    # Cancel previous callback if there is one
+    if model_id in USAGE_POOL:
+        USAGE_POOL[model_id]["callback"].cancel()
+
+    # Store the new usage data and task
+
+    if model_id in USAGE_POOL:
+        USAGE_POOL[model_id]["sids"].append(sid)
+        USAGE_POOL[model_id]["sids"] = list(set(USAGE_POOL[model_id]["sids"]))
+
+    else:
+        USAGE_POOL[model_id] = {"sids": [sid]}
+
+    # Schedule a task to remove the usage data after TIMEOUT_DURATION
+    USAGE_POOL[model_id]["callback"] = asyncio.create_task(
+        remove_after_timeout(sid, model_id)
+    )
+
+    # Broadcast the usage data to all clients
+    await sio.emit("usage", {"models": get_models_in_use()})
+
+
+async def remove_after_timeout(sid, model_id):
+    try:
+        await asyncio.sleep(TIMEOUT_DURATION)
+        if model_id in USAGE_POOL:
+            print(USAGE_POOL[model_id]["sids"])
+            USAGE_POOL[model_id]["sids"].remove(sid)
+            USAGE_POOL[model_id]["sids"] = list(set(USAGE_POOL[model_id]["sids"]))
+
+            if len(USAGE_POOL[model_id]["sids"]) == 0:
+                del USAGE_POOL[model_id]
+
+            # Broadcast the usage data to all clients
+            await sio.emit("usage", {"models": get_models_in_use()})
+    except asyncio.CancelledError:
+        # Task was cancelled due to new 'usage' event
+        pass
+
+
+@sio.event
+async def disconnect(sid):
+    if sid in SESSION_POOL:
+        user_id = SESSION_POOL[sid]
+        del SESSION_POOL[sid]
+
+        USER_POOL[user_id].remove(sid)
+
+        if len(USER_POOL[user_id]) == 0:
+            del USER_POOL[user_id]
+
+        await sio.emit("user-count", {"count": len(USER_POOL)})
+    else:
+        print(f"Unknown session ID {sid} disconnected")
+
+
+def get_event_emitter(request_info):
+    async def __event_emitter__(event_data):
+        await sio.emit(
+            "chat-events",
+            {
+                "chat_id": request_info["chat_id"],
+                "message_id": request_info["message_id"],
+                "data": event_data,
+            },
+            to=request_info["session_id"],
+        )
+
+    return __event_emitter__
+
+
+def get_event_call(request_info):
+    async def __event_call__(event_data):
+        response = await sio.call(
+            "chat-events",
+            {
+                "chat_id": request_info["chat_id"],
+                "message_id": request_info["message_id"],
+                "data": event_data,
+            },
+            to=request_info["session_id"],
+        )
+        return response
+
+    return __event_call__