MqttClient 方法

检查当前的头子节信息的令牌是否是正确的，仅用于某些特殊的协议实现
Check whether the token of the current header subsection information is correct, only for some special protocol implementations

关闭Mqtt服务器的连接。
Close the connection to the Mqtt server.

关闭Mqtt服务器的连接。
Close the connection to the Mqtt server.

连接服务器，如果连接失败，请稍候重试。
Connect to the server. If the connection fails, try again later.

连接服务器，如果连接失败，请稍候重试。
Connect to the server. If the connection fails, try again later.

创建一个新的socket对象并连接到远程的地址，默认超时时间为10秒钟，需要指定ip地址以及端口号信息
Create a new socket object and connect to the remote address. The default timeout is 10 seconds. You need to specify the IP address and port number.

创建一个新的socket对象并连接到远程的地址，需要指定远程终结点，超时时间（单位是毫秒），如果需要绑定本地的IP或是端口，传入 local对象
To create a new socket object and connect to the remote address, you need to specify the remote endpoint, the timeout period (in milliseconds), if you need to bind the local IP or port, pass in the local object

创建一个新的socket对象并连接到远程的地址，需要指定ip地址以及端口号信息，还有超时时间，单位是毫秒
To create a new socket object and connect to a remote address, you need to specify the IP address and port number information, and the timeout period in milliseconds

创建一个新的socket对象并连接到远程的地址，默认超时时间为10秒钟，需要指定ip地址以及端口号信息
Create a new socket object and connect to the remote address. The default timeout is 10 seconds. You need to specify the IP address and port number.

创建一个新的socket对象并连接到远程的地址，需要指定远程终结点，超时时间（单位是毫秒），如果需要绑定本地的IP或是端口，传入 local对象
To create a new socket object and connect to the remote address, you need to specify the remote endpoint, the timeout period (in milliseconds), if you need to bind the local IP or port, pass in the local object

创建一个新的socket对象并连接到远程的地址，需要指定ip地址以及端口号信息，还有超时时间，单位是毫秒
To create a new socket object and connect to a remote address, you need to specify the IP address and port number information, and the timeout period in milliseconds

删除一个指定的文件，如果文件不存在，直接返回 True，如果文件存在则直接删除，删除成功返回 True，如果发生了异常，返回False
Delete a specified file, if the file does not exist, return True directly, if the file exists, delete it directly, if the deletion is successful, return True, if an exception occurs, return False

Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.

释放当前的对象

Determines whether the specified object is equal to the current object.

Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection.

Serves as the default hash function.

获取已经订阅的主题信息，方便针对不同的界面订阅不同的主题。
Get subscribed topic information, which is convenient for subscribing to different topics for different interfaces.

Gets the Type of the current instance.

Creates a shallow copy of the current Object.

发布一个MQTT协议的消息到服务器。该消息包含主题，负载数据，消息等级，是否保留信息。
Publish an MQTT protocol message to the server. The message contains the subject, payload data, message level, and whether to retain information.

发布一个MQTT协议的消息到服务器。该消息包含主题，负载数据，消息等级，是否保留信息。
Publish an MQTT protocol message to the server. The message contains the subject, payload data, message level, and whether to retain information.

接收固定长度的字节数组，允许指定超时时间，默认为60秒，当length大于0时，接收固定长度的数据内容，当length小于0时，接收不大于2048长度的随机数据信息
Receiving a fixed-length byte array, allowing a specified timeout time. The default is 60 seconds. When length is greater than 0, fixed-length data content is received. When length is less than 0, random data information of a length not greater than 2048 is received.

接收固定长度的字节数组，允许指定超时时间，默认为60秒，当length大于0时，接收固定长度的数据内容，当length小于0时，接收不大于2048长度的随机数据信息
Receiving a fixed-length byte array, allowing a specified timeout time. The default is 60 seconds. When length is greater than 0, fixed-length data content is received. When length is less than 0, random data information of a length not greater than 2048 is received.

接收固定长度的字节数组，允许指定超时时间，默认为60秒，当length大于0时，接收固定长度的数据内容，当length小于0时，buffer长度的缓存数据
Receiving a fixed-length byte array, allowing a specified timeout time. The default is 60 seconds. When length is greater than 0, fixed-length data content is received. When length is less than 0, random data information of a length not greater than 2048 is received.

接收固定长度的字节数组，允许指定超时时间，默认为60秒，当length大于0时，接收固定长度的数据内容，当length小于0时，buffer长度的缓存数据
Receiving a fixed-length byte array, allowing a specified timeout time. The default is 60 seconds. When length is greater than 0, fixed-length data content is received. When length is less than 0, random data information of a length not greater than 2048 is received.

[自校验] 接收一条完整的同步数据，包含头子节和内容字节，基础的数据，如果结果异常，则结束通讯
[Self-checking] Receive a complete synchronization data, including header subsection and content bytes, basic data, if the result is abnormal, the communication ends

[自校验] 接收一条完整的同步数据，包含头子节和内容字节，基础的数据，如果结果异常，则结束通讯
[Self-checking] Receive a complete synchronization data, including header subsection and content bytes, basic data, if the result is abnormal, the communication ends

接收固定长度的字节数组，允许指定超时时间，默认为60秒，当length大于0时，接收固定长度的数据内容，当length小于0时，接收不大于2048长度的随机数据信息
Receiving a fixed-length byte array, allowing a specified timeout time. The default is 60 seconds. When length is greater than 0, fixed-length data content is received. When length is less than 0, random data information of a length not greater than 2048 is received.

接收固定长度的字节数组，允许指定超时时间，默认为60秒，当length大于0时，接收固定长度的数据内容，当length小于0时，接收不大于2048长度的随机数据信息
Receiving a fixed-length byte array, allowing a specified timeout time. The default is 60 seconds. When length is greater than 0, fixed-length data content is received. When length is less than 0, random data information of a length not greater than 2048 is received.

接收固定长度的字节数组，允许指定超时时间，默认为60秒，当length大于0时，接收固定长度的数据内容，当length小于0时，buffer长度的缓存数据
Receiving a fixed-length byte array, allowing a specified timeout time. The default is 60 seconds. When length is greater than 0, fixed-length data content is received. When length is less than 0, random data information of a length not greater than 2048 is received.

接收固定长度的字节数组，允许指定超时时间，默认为60秒，当length大于0时，接收固定长度的数据内容，当length小于0时，buffer长度的缓存数据
Receiving a fixed-length byte array, allowing a specified timeout time. The default is 60 seconds. When length is greater than 0, fixed-length data content is received. When length is less than 0, random data information of a length not greater than 2048 is received.

接收一条完整的 数据内容，需要指定超时时间，单位为毫秒。
Receive a complete data content, Need to specify a timeout period in milliseconds

接收一条完整的 数据内容，需要指定超时时间，单位为毫秒。
Receive a complete data content, Need to specify a timeout period in milliseconds

[自校验] 从网络中接收一串字节数据，如果结果异常，则结束通讯
[Self-checking] Receive a string of byte data from the network. If the result is abnormal, the communication ends.

[自校验] 从网络中接收一串字节数据，如果结果异常，则结束通讯
[Self-checking] Receive a string of byte data from the network. If the result is abnormal, the communication ends.

接收一行命令数据，需要自己指定这个结束符，默认超时时间为60秒，也即是60000，单位是毫秒
To receive a line of command data, you need to specify the terminator yourself. The default timeout is 60 seconds, which is 60,000, in milliseconds.

接收一行命令数据，需要自己指定这个结束符，默认超时时间为60秒，也即是60000，单位是毫秒
To receive a line of command data, you need to specify the terminator yourself. The default timeout is 60 seconds, which is 60,000, in milliseconds.

接收一行命令数据，需要自己指定这个结束符，默认超时时间为60秒，也即是60000，单位是毫秒
To receive a line of command data, you need to specify the terminator yourself. The default timeout is 60 seconds, which is 60,000, in milliseconds.

接收一行命令数据，需要自己指定这个结束符，默认超时时间为60秒，也即是60000，单位是毫秒
To receive a line of command data, you need to specify the terminator yourself. The default timeout is 60 seconds, which is 60,000, in milliseconds.

[自校验] 从网络中接收一个文件，写入数据流，如果结果异常，则结束通讯，参数顺序文件名，文件大小，文件标识，上传人
[Self-checking] Receive a file from the network. If the result is abnormal, the communication ends.

[自校验] 从网络中接收一个文件，如果结果异常，则结束通讯
[Self-checking] Receive a file from the network. If the result is abnormal, the communication ends.

[自校验] 从网络中接收一个文件，写入数据流，如果结果异常，则结束通讯，参数顺序文件名，文件大小，文件标识，上传人
[Self-checking] Receive a file from the network. If the result is abnormal, the communication ends.

[自校验] 从网络中接收一个文件，如果结果异常，则结束通讯
[Self-checking] Receive a file from the network. If the result is abnormal, the communication ends.

[自校验] 从套接字中接收文件头信息
[Self-checking] Receive file header information from socket

[自校验] 从套接字中接收文件头信息
[Self-checking] Receive file header information from socket

接收一条hsl协议的数据信息，自动解析，解压，解码操作，获取最后的实际的数据，接收结果依次为暗号，用户码，负载数据
Receive a piece of hsl protocol data information, automatically parse, decompress, and decode operations to obtain the last actual data. The result is a opCode, user code, and payload data in order.

接收一条hsl协议的数据信息，自动解析，解压，解码操作，获取最后的实际的数据，接收结果依次为暗号，用户码，负载数据
Receive a piece of hsl protocol data information, automatically parse, decompress, and decode operations to obtain the last actual data. The result is a opCode, user code, and payload data in order.

使用MQTT协议从网络接收字节数组，然后写入文件或流中，支持进度报告
Use MQTT protocol to receive byte array from the network, and then write it to file or stream, support progress report

使用MQTT协议从网络接收字节数组，然后写入文件或流中，支持进度报告
Use MQTT protocol to receive byte array from the network, and then write it to file or stream, support progress report

接收一条完整的MQTT协议的报文信息，包含控制码和负载数据
Receive a message of a completed MQTT protocol, including control code and payload data

接收一条完整的MQTT协议的报文信息，包含控制码和负载数据
Receive a message of a completed MQTT protocol, including control code and payload data

接收一条完整的MQTT协议的报文信息，包含控制码和负载数据
Receive a message of a completed MQTT protocol, including control code and payload data

接收一条完整的MQTT协议的报文信息，包含控制码和负载数据
Receive a message of a completed MQTT protocol, including control code and payload data

使用MQTT协议从socket接收指定长度的字节数组，然后全部写入到流中，可以指定进度报告
Use the MQTT protocol to receive a byte array of specified length from the socket, and then write all of them to the stream, and you can specify a progress report

使用MQTT协议从socket接收指定长度的字节数组，然后全部写入到流中，可以指定进度报告
Use the MQTT protocol to receive a byte array of specified length from the socket, and then write all of them to the stream, and you can specify a progress report

从网络接收一条完整的redis报文的消息
Receive a complete redis message from the network

从网络接收一条完整的redis报文的消息
Receive a complete redis message from the network

接收一行基于redis协议的字符串的信息，需要指定固定的长度
Receive a line of information based on the redis protocol string, you need to specify a fixed length

接收一行基于redis协议的字符串的信息，需要指定固定的长度
Receive a line of information based on the redis protocol string, you need to specify a fixed length

[自校验] 从网络中接收一个字符串数组，如果结果异常，则结束通讯
[Self-check] Receive an array of strings from the network. If the result is abnormal, the communication ends.

[自校验] 从网络中接收一个字符串数组，如果结果异常，则结束通讯
[Self-check] Receive an array of strings from the network. If the result is abnormal, the communication ends.

[自校验] 从网络中接收一个字符串数据，如果结果异常，则结束通讯
[Self-checking] Receive a string of data from the network. If the result is abnormal, the communication ends.

[自校验] 从网络中接收一个字符串数据，如果结果异常，则结束通讯
[Self-checking] Receive a string of data from the network. If the result is abnormal, the communication ends.

发送消息给套接字，直到完成的时候返回，经过测试，本方法是线程安全的。
Send a message to the socket until it returns when completed. After testing, this method is thread-safe.

发送消息给套接字，直到完成的时候返回，经过测试，本方法是线程安全的。
Send a message to the socket until it returns when completed. After testing, this method is thread-safe.

发送消息给套接字，直到完成的时候返回，经过测试，本方法是线程安全的。
Send a message to the socket until it returns when completed. After testing, this method is thread-safe.

发送消息给套接字，直到完成的时候返回，经过测试，本方法是线程安全的。
Send a message to the socket until it returns when completed. After testing, this method is thread-safe.

[自校验] 直接发送字符串数组并确认对方接收完成数据，如果结果异常，则结束通讯
[Self-check] Send string array directly and confirm that the other party has received the completed data. If the result is abnormal, the communication ends.

[自校验] 直接发送字符串数组并确认对方接收完成数据，如果结果异常，则结束通讯
[Self-check] Send string array directly and confirm that the other party has received the completed data. If the result is abnormal, the communication ends.

发送消息给套接字，直到完成的时候返回，经过测试，本方法是线程安全的。
Send a message to the socket until it returns when completed. After testing, this method is thread-safe.

发送消息给套接字，直到完成的时候返回，经过测试，本方法是线程安全的。
Send a message to the socket until it returns when completed. After testing, this method is thread-safe.

发送消息给套接字，直到完成的时候返回，经过测试，本方法是线程安全的。
Send a message to the socket until it returns when completed. After testing, this method is thread-safe.

发送消息给套接字，直到完成的时候返回，经过测试，本方法是线程安全的。
Send a message to the socket until it returns when completed. After testing, this method is thread-safe.

[自校验] 发送字节数据并确认对方接收完成数据，如果结果异常，则结束通讯
[Self-check] Send the byte data and confirm that the other party has received the completed data. If the result is abnormal, the communication ends.

[自校验] 发送字节数据并确认对方接收完成数据，如果结果异常，则结束通讯
[Self-check] Send the byte data and confirm that the other party has received the completed data. If the result is abnormal, the communication ends.

[自校验] 发送字节数据并确认对方接收完成数据，如果结果异常，则结束通讯
[Self-check] Send the byte data and confirm that the other party has received the completed data. If the result is abnormal, the communication ends.

[自校验] 发送字节数据并确认对方接收完成数据，如果结果异常，则结束通讯
[Self-check] Send the byte data and confirm that the other party has received the completed data. If the result is abnormal, the communication ends.

[自校验] 将流数据发送至套接字，具体发送细节将在继承类中实现，如果结果异常，则结束通讯
[Self-checking] Send stream data to the socket. The specific sending details will be implemented in the inherited class. If the result is abnormal, the communication will be terminated

[自校验] 将文件数据发送至套接字，具体发送细节将在继承类中实现，如果结果异常，则结束通讯
[Self-checking] Send the file data to the socket. The specific sending details will be implemented in the inherited class. If the result is abnormal, the communication will end

[自校验] 将流数据发送至套接字，具体发送细节将在继承类中实现，如果结果异常，则结束通讯
[Self-checking] Send stream data to the socket. The specific sending details will be implemented in the inherited class. If the result is abnormal, the communication will be terminated

[自校验] 将文件数据发送至套接字，具体发送细节将在继承类中实现，如果结果异常，则结束通讯
[Self-checking] Send the file data to the socket. The specific sending details will be implemented in the inherited class. If the result is abnormal, the communication will end

[自校验] 将文件数据发送至套接字，如果结果异常，则结束通讯
[Self-check] Send the file data to the socket. If the result is abnormal, the communication is ended.

[自校验] 将文件数据发送至套接字，如果结果异常，则结束通讯
[Self-check] Send the file data to the socket. If the result is abnormal, the communication is ended.

使用MQTT协议将一个数据流发送到网络上去，需要保存的文件名，可选指定文件描述信息，进度报告
Use the MQTT protocol to send a data stream to the network, the file name that needs to be saved, optional file description information, progress report

使用MQTT协议将一个文件发送到网络上去，需要指定文件名，保存的文件名，可选指定文件描述信息，进度报告
To send a file to the network using the MQTT protocol, you need to specify the file name, the saved file name, optionally specify the file description information, and the progress report

使用MQTT协议将一个数据流发送到网络上去，需要保存的文件名，可选指定文件描述信息，进度报告
Use the MQTT protocol to send a data stream to the network, the file name that needs to be saved, optional file description information, progress report

使用MQTT协议将一个文件发送到网络上去，需要指定文件名，保存的文件名，可选指定文件描述信息，进度报告
To send a file to the network using the MQTT protocol, you need to specify the file name, the saved file name, optionally specify the file description information, and the progress report

使用MQTT协议将流中的数据读取到字节数组，然后都写入到socket里面，可以指定进度报告，主要用于将文件发送到网络。
Use the MQTT protocol to read the data in the stream into a byte array, and then write them all into the socket. You can specify a progress report, which is mainly used to send files to the network.

使用MQTT协议将流中的数据读取到字节数组，然后都写入到socket里面，可以指定进度报告，主要用于将文件发送到网络。
Use the MQTT protocol to read the data in the stream into a byte array, and then write them all into the socket. You can specify a progress report, which is mainly used to send files to the network.

发送一个流的所有数据到指定的网络套接字，需要指定发送的数据长度，支持按照百分比的进度报告
Send all the data of a stream to the specified network socket. You need to specify the length of the data to be sent. It supports the progress report in percentage.

发送一个流的所有数据到指定的网络套接字，需要指定发送的数据长度，支持按照百分比的进度报告
Send all the data of a stream to the specified network socket. You need to specify the length of the data to be sent. It supports the progress report in percentage.

[自校验] 直接发送字符串数据并确认对方接收完成数据，如果结果异常，则结束通讯
[Self-checking] Send string data directly and confirm that the other party has received the completed data. If the result is abnormal, the communication ends.

[自校验] 直接发送字符串数组并确认对方接收完成数据，如果结果异常，则结束通讯
[Self-check] Send string array directly and confirm that the other party has received the completed data. If the result is abnormal, the communication ends.

[自校验] 直接发送字符串数据并确认对方接收完成数据，如果结果异常，则结束通讯
[Self-checking] Send string data directly and confirm that the other party has received the completed data. If the result is abnormal, the communication ends.

[自校验] 直接发送字符串数组并确认对方接收完成数据，如果结果异常，则结束通讯
[Self-check] Send string array directly and confirm that the other party has received the completed data. If the result is abnormal, the communication ends.

从服务器订阅一个或多个主题信息
Subscribe to one or more topics from the server

从服务器订阅一个或多个主题信息
Subscribe to one or more topics from the server

向服务器订阅一个主题消息，可以指定订阅的主题数组，订阅的质量等级，还有消息标识符
To subscribe to a topic message from the server, you can specify the subscribed topic array, the subscription quality level, and the message identifier

从服务器订阅一个或多个主题信息
Subscribe to one or more topics from the server

从服务器订阅一个或多个主题信息
Subscribe to one or more topics from the server

Returns a string that represents the current object.

取消订阅指定的主题信息，取消之后，就不再接收当前主题的数据，除非服务器强制推送
Unsubscribe from the specified topic information. After cancellation, the data of the current topic will no longer be received unless the server forces push

取消订阅多个主题信息，取消之后，当前的订阅数据就不在接收到，除非服务器强制推送。
Unsubscribe from multiple topic information. After cancellation, the current subscription data will not be received unless the server forces it to push it.

取消订阅指定的主题信息，取消之后，就不再接收当前主题的数据，除非服务器强制推送
Unsubscribe from the specified topic information. After cancellation, the data of the current topic will no longer be received unless the server forces push

取消订阅多个主题信息，取消之后，当前的订阅数据就不在接收到，除非服务器强制推送。
Unsubscribe from multiple topic information. After cancellation, the current subscription data will not be received unless the server forces it to push it.

从套接字中接收所有的数据然后写入到指定的流当中去，需要指定数据的长度，支持按照百分比进行进度报告
Receives all data from the socket and writes it to the specified stream. The length of the data needs to be specified, and progress reporting is supported in percentage.

从套接字中接收所有的数据然后写入到指定的流当中去，需要指定数据的长度，支持按照百分比进行进度报告
Receives all data from the socket and writes it to the specified stream. The length of the data needs to be specified, and progress reporting is supported in percentage.

获取当前对象的JSON格式表示的字符串。
Gets the string represented by the JSON format of the current object.