示例#1
0
    def working(self):
        '''维护客户端的访问,客户端可以给服务端发送消息,但是只能进行验证和简单的查看服务器消息
        无法做任何高级操作'''

        try:
            _client_message = self.clientsock.recv(
                LMServer.BUFSIZE)  # 获取指定大小的报文
            _text = decryption(_client_message)
            if _text:
                _obj = eval(_text.decode(LMServer.ENCODING))  # json对象\
                # print(_obj)
                self.server.handle_user_command(self, _obj)
            else:
                self.send_message(
                    payback(MsgType.ERROR, reason="invalid message"))
        except ConnectionResetError as e:
            self.debug("LMotorClient.working:" + str(e))
            self.shutdown()
        except ConnectionAbortedError as e:
            self.shutdown()
            # 客户端正常被关闭
        except json.JSONDecodeError as e:
            # 如果解析json遇到错误,自动忽略这条消息
            # print("错误2")
            self.send_message(payback(MsgType.ERROR, reason="invalid message"))
        except Exception as e:
            self.shutdown()
            self.server.logger.log(
                "unknown error happened at client main loop:%s" % str(e),
                LogType.ERROR, "LMClient.working()")
示例#2
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    def working(self):
        '''维护服务器的主逻辑代码'''

        try:
            self.debug("wait for connection...")
            pack = self.server_sock.accept()  # 接受客户端的连接
            _clientsock, _addr = pack  # 解包
            # 以下代码用于验证客户端是否是有效的客户端
            _random_string = make_number_sequence()
            _clientsock.send(
                encryption(_random_string.encode(LMServer.ENCODING)))
            _message = _clientsock.recv(LMServer.BUFSIZE)
            data = decryption(_message)
            if data:
                data = data.decode(LMServer.ENCODING)
                if data == md5(_random_string, LMServer.ENCODING):
                    self.debug("a connection from %s is built" % str(pack[1]))

                    worker = LMClient(pack, self, debug=True)  # 创建工作者
                    worker.start()
                    worker.send_message(payback(MsgType.RESULT, msg=SUCCESS))
                else:
                    _clientsock.close()
            else:
                _clientsock.close()
            # 以上代码用于验证客户端是否是有效的客户端
            # 遇到无效的客户端时直接关闭
        except Exception as e:
            self.logger.log("unknow error happened at server main loop:%s" %
                            str(e),
                            LogType.ERROR,
                            position="LMServer.working()")
示例#3
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    def working(self):
        '''接受管理员的命令并添加到消息队列'''

        if self.valid_count >= 0:
            try:
                _message = self.managersock.recv(LMServer.BUFSIZE)  # 获取指定大小的报文
                _text = decryption(_message)
                if _text:
                    _obj = eval(_text)
                    # print(_obj)
                    # 管理员线程必须由普通线程晋升而来,不然此处应该设置相应的安全措施
                    self.server.handle_admin_command(self, _obj)
                else:
                    self.send_message(
                        payback(MsgType.ERROR, reason="invalid message"))
            except ConnectionResetError as e:
                self.debug("LMotorManager.working:" + str(e))
                self.clearsock(reason="在接受管理员命令的时候遇到了connection_reset_error")
            except json.JSONDecodeError as e:
                self.send_message(
                    payback(MsgType.ERROR, reason="invalid message"))
            except SyntaxError as e:
                self.debug("LMotorManager.working:" + str(e))
                pass
            except Exception as e:
                self.debug("LMotorManager.working:" + str(e))
                self.clearsock(reason="在接受管理员命令的时候遇到了未知的错误:{}".format(str(e)))
                self.server.logger.log(
                    "unknown error happened at manager main loop:%s,%s" %
                    (str(e), str(type(e))), LogType.ERROR,
                    "LMManager.working()")
        else:
            self.clearsock(reason="在接受管理员命令的时候发现管理员已经超过三次没有回复心跳包")
示例#4
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    def connect(self):

        try:
            self.localsock.connect(self.server_addr)
            pwd = decryption(self.localsock.recv(BUFSIZE)).decode(ENCODING)
            pwd = encryption(md5(pwd,ENCODING).encode(ENCODING))
            self.localsock.send(pwd)
            return True
        except Exception as e:
            print(e)
            return False
示例#5
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    def working(self):
        ''' show message from server '''

        while 1:
            try:
                msg = self.localsock.recv(BUFSIZE)
                msg = decryption(msg).decode(ENCODING)
                _obj = eval(msg)
                if _obj.get("type") == 999:
                    msg = str({"type":999})
                    self.localsock.send(encryption(msg.encode(ENCODING)))
                else:
                    print(_obj)
                self.flag = True
            except Exception as e:
                self.show_message(e)
                break