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This repository was archived by the owner on Jul 16, 2026. It is now read-only.
WebSocket disconnects after sending ping messages #78
Description
Description:
I'm experiencing an issue with the Gate.io WebSocket API where the server disconnects me after I start sending ping messages to keep the connection alive.
What I'm doing:
- Connecting to wss://api.gateio.ws/ws/v4/
- Subscribing to spot.obu channel for ob.BTC_USDT.50
- Sending ping messages every 20 seconds in the following format:
{
"time": {time},
"channel": "spot.ping"
}
Expected behavior:
The server should respond with a pong message and keep the connection alive.
Actual behavior:
Initially, the server responds with pong messages
After some time (varies, but eventually), the server disconnects the WebSocket connection
The disconnection happens without any error message or warning...after 270 seconds
Code:
import json
import time
import threading
from datetime import datetime
from websocket import create_connection
class WebSocketLogger:
def __init__(self):
self.start_time = datetime.now()
self.ws = None
self.running = False
def send_ping(self):
while self.running:
time.sleep(20)
if self.running and self.ws:
try:
self.ws.send(json.dumps({
"time": int(time.time()),
"channel": "spot.ping"
}))
print(f"Sent ping")
except Exception as e:
print(f"Error sending ping: {e}")
break
def run(self):
self.ws = create_connection("wss://api.gateio.ws/ws/v4/")
print("Connected to WebSocket")
self.ws.send(json.dumps({
"time": int(time.time()),
"channel": "spot.obu",
"event": "subscribe",
"payload": ["ob.BTC_USDT.50"]
}))
print("Sent subscription")
self.running = True
threading.Thread(target=self.send_ping, daemon=True).start()
try:
while True:
message = self.ws.recv()
if "pong" in message:
print(message)
except KeyboardInterrupt:
elapsed = datetime.now() - self.start_time
print(f"worked: {elapsed.seconds}.{elapsed.microseconds//1000:03d} sec")
finally:
self.running = False
self.ws.close()
if __name__ == "__main__":
WebSocketLogger().run()
Activity