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Jxck/tfo-client.py

Created December 8, 2013 09:09
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  1. Jxck created this gist Dec 8, 2013.
    29 changes: 29 additions & 0 deletions tfo-client.py
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    Original file line number Diff line number Diff line change
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    import sys, socket
    '''
    tcp fast open server sample code
    execute it before enable tfo flag
    $ echo 3 | sudo tee /proc/sys/net/ipv4/tcp_fastopen
    '''

    PORT = 80
    MSG_FASTOPEN = 0x20000000

    def client():
    # tfo cookie request
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    s.sendto("hello\n", MSG_FASTOPEN, (sys.argv[1], PORT))
    print s.recv(6)
    s.close()

    # tfo data
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    s.sendto("hello\n", MSG_FASTOPEN, (sys.argv[1], PORT))
    print s.recv(6)
    s.close()

    def main():
    client()

    if __name__ == '__main__':
    main()
    32 changes: 32 additions & 0 deletions tfo-server.py
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    import socket
    '''
    tcp fast open server sample code
    execute it before enable tfo flag
    $ echo 3 | sudo tee /proc/sys/net/ipv4/tcp_fastopen
    '''

    PORT = 80
    TCP_FASTOPEN = 23

    def server():
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    s.setsockopt(socket.SOL_TCP, TCP_FASTOPEN, 5)

    s.bind(("", PORT))
    s.listen(1024)

    while True:
    conn, addr = s.accept()
    msg = conn.recv(6)
    print msg
    conn.send(msg)
    conn.close()

    s.close()

    def main():
    server()

    if __name__ == '__main__':
    main()