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pi-dashboard-server/mock_server.py

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2026-02-15 04:15:30 +09:00
#!/usr/bin/env python3
"""Mock WebSocket server that sends randomized Pi stats every 2 seconds."""
import asyncio
import json
import random
import time
import websockets
def generate_stats():
services = [
{"name": "docker", "status": random.choice(["running", "running", "running", "stopped"])},
{"name": "pihole", "status": random.choice(["running", "running", "running", "stopped"])},
{"name": "nginx", "status": random.choice(["running", "running", "stopped"])},
{"name": "sshd", "status": "running"},
]
return {
"cpu_pct": round(random.uniform(5, 95), 1),
"mem_pct": round(random.uniform(30, 85), 1),
"mem_used_mb": random.randint(512, 3200),
"disk_pct": round(random.uniform(20, 80), 1),
"cpu_temp": round(random.uniform(35, 78), 1),
"uptime_hrs": round(random.uniform(1, 2000), 1),
"net_rx_kbps": round(random.uniform(0, 5000), 1),
"net_tx_kbps": round(random.uniform(0, 2000), 1),
"services": services,
"timestamp": int(time.time()),
}
async def handler(websocket):
addr = websocket.remote_address
print(f"Client connected: {addr}")
try:
while True:
stats = generate_stats()
await websocket.send(json.dumps(stats))
await asyncio.sleep(2)
except websockets.ConnectionClosed:
print(f"Client disconnected: {addr}")
async def main():
print("Mock Pi stats server starting on ws://0.0.0.0:8765")
async with websockets.serve(handler, "0.0.0.0", 8765):
await asyncio.Future() # run forever
if __name__ == "__main__":
asyncio.run(main())