File size: 5,761 Bytes
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import json
import logging
import os
import time
import websockets
from urllib.parse import urlparse, parse_qs
from qkernel import QKernel, EventBus, MemoryEngine, PolicyEngine, ObservabilityBrain, SelfHealingEngine
from qkernel.services import BrainService, VoiceService, NetworkService
from qkernel.auth import verify_token
logging.basicConfig(
level=logging.INFO,
format="%(asctime)s [%(name)s] %(levelname)s: %(message)s",
)
logger = logging.getLogger("ws_server")
RATE_LIMIT_WINDOW = 60
RATE_LIMIT_MAX = 30
_rate_limit: dict[str, list[float]] = {}
def check_rate_limit(peer: str) -> bool:
now = time.time()
if peer not in _rate_limit:
_rate_limit[peer] = []
_rate_limit[peer] = [t for t in _rate_limit[peer] if now - t < RATE_LIMIT_WINDOW]
if len(_rate_limit[peer]) >= RATE_LIMIT_MAX:
return False
_rate_limit[peer].append(now)
return True
kernel: QKernel | None = None
_ws_auth: dict = {}
async def chat_handler(websocket):
auth = _ws_auth.get(id(websocket), {})
async for message in websocket:
try:
data = json.loads(message)
msg_type = data.get("type", "")
if msg_type == "message":
event = {
"type": "chat",
"message": data.get("text", ""),
"user_id": auth.get("user_id", "anonymous"),
"session_id": data.get("session_id", "main"),
"context": data.get("context", []),
"model": data.get("model", "deep"),
}
await websocket.send(json.dumps({"type": "typing"}))
result = await kernel.handle(event)
await websocket.send(json.dumps({
"type": "response",
"data": result,
}))
elif msg_type == "system":
await websocket.send(json.dumps({
"type": "ack",
"text": "system_config_received",
}))
elif msg_type == "ping":
await websocket.send(json.dumps({"type": "pong"}))
elif msg_type == "trace":
trace = kernel.obs.get_trace(data.get("trace_id", ""))
await websocket.send(json.dumps({
"type": "trace_result",
"trace": trace,
}))
elif msg_type == "stats":
stats = kernel.get_stats()
await websocket.send(json.dumps({
"type": "stats",
"stats": stats,
}))
except json.JSONDecodeError:
await websocket.send(json.dumps({"type": "error", "text": "invalid_json"}))
except Exception as e:
logger.exception("Chat handler error")
await websocket.send(json.dumps({"type": "error", "text": str(e)}))
async def voice_handler(websocket):
auth = _ws_auth.get(id(websocket), {})
async for message in websocket:
try:
data = json.loads(message)
msg_type = data.get("type", "")
if msg_type == "command":
text = data.get("text", "")
action = data.get("action", "")
event = {
"type": "voice",
"message": text,
"action": action,
"user_id": auth.get("user_id", "anonymous"),
"session_id": data.get("session_id", "main"),
}
result = await kernel.handle(event)
await websocket.send(json.dumps({
"type": "command_result",
"action": action,
"text": text,
"data": result,
}))
elif msg_type == "ping":
await websocket.send(json.dumps({"type": "pong"}))
except json.JSONDecodeError:
await websocket.send(json.dumps({"type": "error", "text": "invalid_json"}))
async def handler(websocket):
path = websocket.path
peer = websocket.remote_address
params = parse_qs(urlparse(path).query)
token = params.get("token", [None])[0]
auth = verify_token(token) if token else None
if not auth and token is not None:
await websocket.send(json.dumps({"type": "error", "text": "invalid_token"}))
return
if auth:
_ws_auth[id(websocket)] = auth
if not check_rate_limit(peer):
await websocket.send(json.dumps({"type": "error", "text": "rate_limited"}))
return
try:
if path.endswith("/ws/voice"):
await voice_handler(websocket)
else:
await chat_handler(websocket)
finally:
_ws_auth.pop(id(websocket), None)
async def init_kernel():
global kernel
memory = MemoryEngine()
policy = PolicyEngine()
obs = ObservabilityBrain()
bus = EventBus()
healer = SelfHealingEngine()
kernel = QKernel(
memory=memory,
policy=policy,
obs=obs,
event_bus=bus,
healer=healer,
)
policy.add_default_rules()
kernel.register_service("brain", BrainService())
kernel.register_service("voice", VoiceService())
kernel.register_service("network", NetworkService())
logger.info("Q-Kernel initialized with all subsystems")
async def main():
await init_kernel()
logger.info("Starting Q WebSocket Proxy on ws://0.0.0.0:8502")
async with websockets.serve(
handler,
"0.0.0.0",
8502,
ping_interval=25,
ping_timeout=10,
):
await asyncio.Future()
if __name__ == "__main__":
asyncio.run(main())
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