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我是一个完整的初学者在TCP部分,我尝试编写一个主服务器,它应该处理多个500个客户端,并且延迟很小。超过500个客户端的TCP /异步接收句柄
这是我第一次尝试,你有什么建议如何改进代码,或者是我的代码完成垃圾! :d
我首先发送一个标记Uint16作为消息大小的指示器
// receive Code!
private byte[] indexBuffer = new byte[sizeof(UInt16)];
private int indexSize = sizeof(UInt16);
public async void receiveData(TcpClient client) {
var result = await Task.Run(() => {
try {
int checkSum = client.Client.Receive(indexBuffer, 0, indexBuffer.Length, SocketFlags.None);
if (checkSum != indexSize) return null;
int packageSize = BitConverter.ToUInt16(indexBuffer, 0);
Console.WriteLine(packageSize);
var recData = new Byte[packageSize];
checkSum = client.Client.Receive(recData, 0, packageSize, SocketFlags.None);
if (checkSum != packageSize) return null;
return Encoding.ASCII.GetString(recData);
} catch(Exception ex) {
Console.WriteLine(ex.Message);
return "-1";
}
});
// blabla do something
Console.WriteLine(result);
//---------------------
if (client.Connected)
receiveData(client);
}