.net socket异步通讯的心跳机制
.net socket异步通讯的心跳机制,通常有两种:1.自己来写2.用tcp协议的机制keepalive.
如:
//设置系统心跳
uint dummy = 0;
byte[] inOptionValues = new byte[Marshal.SizeOf(dummy) * 3];
BitConverter.GetBytes((uint)1).CopyTo(inOptionValues, 0);
BitConverter.GetBytes((uint)5000).CopyTo(inOptionValues, Marshal.SizeOf(dummy)); //多长时间开始发心跳
BitConverter.GetBytes((uint)5000).CopyTo(inOptionValues, Marshal.SizeOf(dummy) * 2);//每隔多少时间发一次
newsock.IOControl(IOControlCode.KeepAliveValues, inOptionValues, null);
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