andreas
49 lines
945 B
Python
Executable File
49 lines
945 B
Python
Executable File
#!/usr/bin/env python
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# $Id: heartbeat,v 1.2 2005/02/27 16:41:40 andreas Exp $
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import sys, time, socket, os, signal
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ADDR="204.29.161.33"
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#ADDR="10.99.1.4"
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PORT=50003
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INTERVAL=10
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def handler(signum, frame):
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global up
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if signum == 1:
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os.execv("/usr/bin/env", ["python", sys.argv[0],"relaunch"])
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if up == 0:
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return
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sys.exit(0)
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iam=socket.gethostname()
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sock=socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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msg="interval=%s;name=%s" % (INTERVAL, iam)
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if len(sys.argv) <= 1 or sys.argv[1] != "relaunch":
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msgboot="boot=1;interval=%s;name=%s" % (INTERVAL, iam)
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while 1:
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try:
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sock.sendto(msgboot, (ADDR, PORT))
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break
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except:
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time.sleep(10)
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up=1
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signal.signal(signal.SIGTERM, handler)
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signal.signal(signal.SIGHUP, handler)
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while up:
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try:
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time.sleep(10)
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except:
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break
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try:
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sock.sendto(msg, (ADDR, PORT))
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except:
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pass
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up=0
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msg="shutdown=1;name=%s" % (iam)
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sock.sendto(msg, (ADDR, PORT))
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time.sleep(1)
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sock.close()
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