gevent_chat_server.py 文件源码

def new_chat_channel(conn, address):
    """ New chat channel for a given connection """

    participants.add(conn)
    data = conn.recv(1024)
    user = ''

    while data:
        print("Chat:", data.strip())
        for p in participants:
            try:
                if p is not conn:
                    data = data.decode('utf-8')
                    user, msg = data.split(':')
                    if msg != '<handshake>':
                        data_s = '\n#[' + user + ']>>> says ' + msg
                    else:
                        data_s = '(User %s connected)\n' % user

                    p.send(bytearray(data_s, 'utf-8'))                  
            except socket.error as e:
                # ignore broken pipes, they just mean the participant
                # closed its connection already
                if e[0] != 32:
                    raise
        data = conn.recv(1024)

    participants.remove(conn)
    print("Participant %s left chat." % user)