实现用C#对PLC等设备的OPC服务器的数据访问与操作，异步实现-Achieved with C# on the PLC and other equipment of the OPC server data access and operation, asynchronous implementation

multi threading example with advanced code

SPServer 是一个实现了半同步/半异步(Half-Sync/Half-Async)和领导者/追随者(Leader/Follower) 模式的服务器框架，能够简化 TCP server 的开发工作。 -SPServer is a realization of a semi-synchronous/semi-asynchronous (Half-Sync/Half-Async) and server framework leader/followers (Leader/Follower)