2021-03-08 02:16:14 +00:00
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import socket
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import sys
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import time
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# make sure multicast is being routed to the right interface ie.
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# sudo route add -net 224.0.0.0 netmask 240.0.0.0 dev enx00249b649e67
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def trigger_capture():
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charid = 1
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unitid = 1
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groupid = 1
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gtdate = time.gmtime()
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now = str(gtdate.tm_year) + str(gtdate.tm_mon) + str(gtdate.tm_mday) + str(gtdate.tm_hour) + str(gtdate.tm_min) + str(gtdate.tm_sec)
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SDATA = str(now)
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print('Sending: ' + SDATA)
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MCAST_GRP = '224.1.1.1'
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MCAST_PORT = 5007
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SCMD = chr(charid)
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SUNIT = chr(unitid)
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SGROUP = chr(groupid)
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SEND = SCMD+SUNIT+SGROUP+SDATA
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sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
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dev = 'eth0' + '\0'
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sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 2)
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sock.sendto(SEND.encode('utf-8'), (MCAST_GRP, MCAST_PORT))
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sock.close()
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print('Sent.')
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2021-03-11 03:00:08 +00:00
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if __name__ == '__main__':
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print('Triggering test capture...')
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trigger_capture()
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