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Binance Message Counter
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import json | |
import logging | |
import numpy as np | |
import time | |
import websocket | |
# Set logging parameters | |
log_format = "%(asctime)s: %(message)s" | |
logging.basicConfig(format=log_format, level=logging.INFO, datefmt="%H:%M:%S") | |
# Set exchange | |
EXCHANGE = "Binance" | |
# Set websocket | |
SOCKET = "wss://stream.binance.com:9443/ws/btcusdt@bookTicker" | |
# Set seconds to run test | |
RUNTIME = 15 | |
# Set subscription message | |
subscribe = { | |
"method": "SUBSCRIBE", | |
"params": [ | |
"btcusdt@bookTicker" | |
], | |
"id": 1 | |
} | |
# Define callback functions for websocket connection | |
def on_open(ws): | |
logging.info(f"{EXCHANGE} Socket open") | |
ws.send(json.dumps(subscribe, ensure_ascii=False).encode('utf8')) | |
def on_message(ws, message): | |
global count | |
global counts | |
global starttime | |
endtime = time.time() | |
interval = (endtime - starttime) | |
count += 1 | |
if interval >= 1: | |
logging.info(f'{count} messages received in {interval} seconds.') | |
starttime = endtime | |
counts.append(count) | |
count = 0 | |
if (endtime - begin) >= RUNTIME: | |
ws.close() | |
def on_close(ws): | |
logging.info(f"{EXCHANGE} Socket closed") | |
ws = websocket.WebSocketApp(SOCKET, on_open=on_open, on_message=on_message, on_close=on_close) | |
if __name__ == "__main__": | |
count = 0 | |
counts = [] | |
stop_interval = 0 | |
starttime = time.time() | |
begin = time.time() | |
ws.run_forever() | |
if len(counts) != 0: | |
logging.info(f"Average messages per second: {np.average(counts)}") | |
else: | |
logging.info(f"No Messages received") |
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