Created
March 16, 2013 02:40
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Multicaste in Python
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import socket | |
MCAST_GRP = '224.1.1.1' | |
MCAST_PORT = 5007 | |
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP) | |
sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 2) | |
sock.sendto("robot", (MCAST_GRP, MCAST_PORT)) |
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import socket | |
import struct | |
MCAST_GRP = '224.1.1.1' | |
MCAST_PORT = 5007 | |
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP) | |
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) | |
sock.bind(('', MCAST_PORT)) | |
mreq = struct.pack("4sl", socket.inet_aton(MCAST_GRP), socket.INADDR_ANY) | |
sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq) | |
while True: | |
print sock.recv(10240) |
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iperf -c 224.1.1.1 -u -T 1 -i 1 -p 5007 |
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