Web于是,微软的MFC提供了两个类:CAsyncSocket和CSocket,极大地方便了Socket功能的使用。 CAsyncSocket类在较低层次上封装了WindowsSocketAPI,并且通过内建一个(隐藏的)窗口,实现了适合Windows应用的异步机制(WindowsSocketAPI默认情况下工作在阻塞模式,不方便直 ... WebDec 3, 1999 · The class CMulticastSocket derives from MFC CAsyncSocket and will allow the programmer to use the following facilities: Join a multicast host group given its multicast IP address and Port. Leave the host group. Send/receive data to/from the host group. Set the time to live (TTL) and Loopback options on the sending socket.
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WebMay 4, 2016 · 1. There is no requirement to derive from CAsyncSocket to use it, although clients usually do. If you do not derive (and implement the callback handlers) it's virtually … WebJun 28, 2010 · You should be aware that all network operations are potentially time-consuming operations. Now, since you're using MFC's CAsyncSocket class, it performs all the operations asynchronously (doesn't block you). But return from the function doesn't mean it's already completed. Let's look at the following lines of code: how many oscars did toy story win
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WebApr 10, 2024 · 1.创建一个用于监听的套接字. -监听:监听有客户端的连接. -套接字:这个套接字其实就是一个文件描述符. 2.将这个监听文件描述符和本地的IP和端口绑定(IP和端口就是服务器的地址信息). -客户端连接服务器的时候使用的就是这个IP和端口. 3.设置监听,监 … WebDec 16, 2024 · The unique parts of this example are in the CCASClientSocket class. Aside from the CNetworkDriver interface, this class derives from CAsyncSocket so we can … WebOct 6, 2009 · When it executes CSocket::Close() it gives an exception. I googled for this bug and got some reasons. This happens because; a CSocket object should be used only in the context of a single thread because the SOCKET handle encapsulated by a CAsyncSocket object is stored in a per-thread handle map. how many oscars did the godfather win