asynconnect.py 文件源码

def send (self, data):
        if self._closed:
            # usually handshaking failure, already handled exception
            return

        try:
            numsent = self.socket.send (data)           
            if numsent:
                self.set_event_time ()
            return numsent  

        except ssl.SSLError as why:
            if why.errno == ssl.SSL_ERROR_WANT_WRITE:
                return 0
            elif why.errno == ssl.SSL_ERROR_ZERO_RETURN:                
                self.handle_close (700, "Connection closed by SSL_ERROR_ZERO_RETURN")
                return 0
            else:
                raise