tco.py 文件源码

def sendto(self, message, dest):
        if self.state.SHUTDOWN:
            raise Error(errno.EBADF)
        if self.peer and dest != self.peer:
            raise Error(errno.EDESTADDRREQ)
        if len(message) > self.send_miu:
            raise Error(errno.EMSGSIZE)
        pdu = UnnumberedInformation(dest, self.addr, sdu=message)
        super(LogicalDataLink, self).send(pdu)
        return self.state.ESTABLISHED == True