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    ڵλãҳ > ITɻ > python > Python֪ʶSocket

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    • Դ
    • 2022-09-29 16:47:05
    • Ķ()
    • ֻ

    SocketгõһͨһSocketʾüһӡһSocketĽҪĿļIPַͶ˿ںţָЭͼɡ

    һSocketʾ

    1. >>> sk = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0

    Уһַأ¿ѡ

    socket.AF_INETIPv4Э飬Ĭֵ

    socket.AF_INET6IPv6Э顣

    socket.AF_UNIXUNIXϵͳ̼ͨʹá

    ڶͣ¿ѡ

    socket.SOCK_STREAMTCPЭõʽSocketĬֵ

    socket.SOCK_DGRAMUDPЭõݱʽSocket

    socket.SOCK_RAWԭʼ׽֣ͨ׽ֲܴICMPIGMP籨ģSOCK_RAWԴSOCK_RAWҲԴIPv4ġ⣬SOCK_RAWͨIP_HDRINCL׽ѡʹûԼIPͷ

    socket.SOCK_RDMһԿɿUDPʽ֤ݱ֤UDPݱ˳ִijЩʱҪʹSOCK_RDM緢ICMPġ

    socket.SOCK_SEQPACKETṩһֿɿݱ

    Э飬0ΪĬֵݵַʽ׽ϵͳԶѡһʵЭ顣

    Socketкܶ෽ܡ

    (1)׽ַ

    sk.bind(address)׽ְ󶨵ַaddressAF_INETЭ£Ԫ(hostname, port)ʽʾַ

    sk.listen(backlog)ʼӵĿbacklogָϵͳܾ֮ǰԹ磬backlog=5ʾϵͳѾӵ󣬵˻ûеaccept()дӸΪ5ֵ޴ΪҪϵͳάӶУӶҪԴ

    sk.setblocking(bool)Ƿ(ĬֵΪTrue)ΪFalseôaccept()recv()ڽյհʱ

    sk.accept()TCP ͻ˵(ʽ)ȴӵĵ(conn, address)conn½׽ֶ󣬿պͷ;addressӿͻ˵ĵַ

    (2)ͻ׽ַ

    sk.connect(address)ӵaddressַ׽֡addressһʽΪԪ(hostname, port)ʧܣsocket.error

    sk.connect_ex(address)ӵaddressַ׽֡addressһʽΪԪ(hostname, port)ӳɹ 0 ;ʧܣر롣

    (3)ͨ׽ַ

    sk.close()ر׽֡

    sk.recv(bufsize)׽ֵݣַʽءbufsizeǻСָһԽյ

    sk.recvfrom(bufsize)recv()ƣֵһԪ(data, address)dataǰݵַ;addressǷݵ׽ֵַ

    sk.send(string)stringеݷ͵ӵ׽֡

    sk.sendall(string)TCP(ʾѭsend()sendall()ڴڼ˻ʣռʱݲᶪʧѭsend()ֱΪֹ)

    sk.sendto(string, address)ݷ͵׽֡addressһʽΪԪ(hostname, port)ָԶ̵ַ

    sk.settimeout(timeout)׽ֲijʱڡtimeoutһλΪ룬ֵΪNoneʾûгʱڡʱһӦڸմ׽ʱӵIJ( client ȴ5s )

    ¡Python֪ʶSocketѰ

    >>ĵַhttp://www-ujiuye-com.hasberbutikapart.com/zhuanye/2021/69827.html

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