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19 lines
984 B
Python
19 lines
984 B
Python
import socket
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client = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP) # UDP
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# Enable port reusage so we will be able to run multiple clients and servers on single (host, port).
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# Do not use socket.SO_REUSEADDR except you using linux(kernel<3.9): goto https://stackoverflow.com/questions/14388706/how-do-so-reuseaddr-and-so-reuseport-differ for more information.
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# For linux hosts all sockets that want to share the same address and port combination must belong to processes that share the same effective user ID!
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# So, on linux(kernel>=3.9) you have to run multiple servers and clients under one user to share the same (host, port).
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# Thanks to @stevenreddie
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# client.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
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# Enable broadcasting mode
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client.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
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client.bind(("", 37020))
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while True:
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# Thanks @seym45 for a fix
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data, addr = client.recvfrom(1024)
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print("received message: %s" % data) |