49 lines
1.3 KiB
Python
49 lines
1.3 KiB
Python
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#!/usr/bin/env python3
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"""模拟页面 pollStatus：5s 超时算失败，连续失败即离线。"""
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import time
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import urllib.request
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import urllib.error
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URL = "http://192.168.31.127/system/status"
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TIMEOUT = 5.0
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POLL = 1.0
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WINDOW = 75
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def probe():
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t0 = time.time()
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try:
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with urllib.request.urlopen(URL, timeout=TIMEOUT) as r:
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r.read(64)
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return True, "HTTP %s" % r.status, time.time() - t0
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except urllib.error.HTTPError as e:
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return False, "HTTP %s" % e.code, time.time() - t0
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except Exception as e:
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return False, "%s: %s" % (type(e).__name__, str(e)[:80]), time.time() - t0
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def main():
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print("=== monitor start (mimic pollStatus) ===", flush=True)
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prev = None
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fails = 0
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t_end = time.time() + WINDOW
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while time.time() < t_end:
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ok, msg, dt = probe()
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now = time.strftime("%H:%M:%S")
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if ok:
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fails = 0
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state = "ONLINE"
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else:
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fails += 1
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state = "FAIL#%d" % fails + (" -> OFFLINE" if fails >= 1 else "")
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mark = " *" if state != prev else ""
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print("[%s] %s (%s, %.0fms)%s" % (now, state, msg, dt * 1000, mark), flush=True)
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if state != prev:
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prev = state
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time.sleep(POLL)
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print("=== monitor end ===", flush=True)
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if __name__ == "__main__":
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main()
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