context-info-callback.py 文件源码

def go():
    port = socket()
    port.bind(('', 0))
    port.listen(1)

    called = []
    def info(conn, where, ret):
        print count.next()
        called.append(None)
    context = Context(TLSv1_METHOD)
    context.set_info_callback(info)
    context.use_certificate(
        load_certificate(FILETYPE_PEM, cleartextCertificatePEM))
    context.use_privatekey(
        load_privatekey(FILETYPE_PEM, cleartextPrivateKeyPEM))

    while 1:
        client = socket()
        client.setblocking(False)
        client.connect_ex(port.getsockname())

        clientSSL = Connection(Context(TLSv1_METHOD), client)
        clientSSL.set_connect_state()

        server, ignored = port.accept()
        server.setblocking(False)

        serverSSL = Connection(context, server)
        serverSSL.set_accept_state()

        del called[:]
        while not called:
            for ssl in clientSSL, serverSSL:
                try:
                    ssl.do_handshake()
                except WantReadError:
                    pass