//监听到消息之后调用的函数
private void AsyncRecive(IAsyncResult ar)
{
try
{
NetUserToken userToken = ar.AsyncState as NetUserToken;
int length = userToken.socket.EndReceive(ar);//结束接收
if (length == 0)
{
userToken.socket.Close();
return;
}
userToken.Receive(length);
BeginReceive(userToken);
//if (length > 0) {
// byte[] data = new byte[length];
// Buffer.BlockCopy(userToken.Buffer, 0, data, 0, length);
// //用户接受消息
// userToken.Receive(data);
// //尾递归，再次监听客户端消息
// BeginReceive(userToken);
//}
}
catch (Exception ex) {
UnityEngine.Debug.Log(ex.ToString());
}
}
//异步监听消息
private void BeginReceive(NetUserToken userToken)
{
try
{
userToken.socket.BeginReceive(userToken.Buffer, userToken.StartIndex, userToken.RemianSize, SocketFlags.None, AsyncRecive, userToken);
}
catch (Exception ex) {
UnityEngine.Debug.Log(ex.ToString());
}
}
//异步监听消息
private void BeginReceive(NetUserToken userToken)
{
try
{
//异步方法
userToken.socket.BeginReceive(userToken.buffer, 0, userToken.buffer.Length, SocketFlags.None,
EndReceive, userToken);
}
catch (Exception ex)
{
UnityEngine.Debug.Log(ex.ToString());
}
}
//开启服务器
public void Start()
{
server.Listen(maxClient);
UnityEngine.Debug.Log("Server OK!");
//实例化客户端的用户池
pools = new Stack <NetUserToken>(maxClient);
for (int i = 0; i < maxClient; i++)
{
NetUserToken usertoken = new NetUserToken();
pools.Push(usertoken);
}
//可以异步接受客户端, BeginAccept函数的第一个参数是回调函数，当有客户端连接的时候自动调用
server.BeginAccept(AsyncAccept, null);
}
//回调函数， 有客户端连接的时候会自动调用此方法
private void AsyncAccept(IAsyncResult result)
{
try
{
//结束监听，同时获取到客户端
Socket client = server.EndAccept(result);
UnityEngine.Debug.Log("有客户端连接");
//来了一个客户端
NetUserToken userToken = pools.Pop();
userToken.socket = client;
//客户端连接之后，可以接受客户端消息
BeginReceive(userToken);
//尾递归，再次监听是否还有其他客户端连入
server.BeginAccept(AsyncAccept, null);
}
catch (Exception ex)
{
UnityEngine.Debug.Log(ex.ToString());
}
}
//监听到消息之后调用的函数
private void EndReceive(IAsyncResult result)
{
try
{
//取出客户端
NetUserToken userToken = result.AsyncState as NetUserToken;
//获取消息的长度
int len = userToken.socket.EndReceive(result);
if (len > 0)
{
byte[] data = new byte[len];
Buffer.BlockCopy(userToken.buffer, 0, data, 0, len);
//用户接受消息
userToken.Receive(data);
//尾递归，再次监听客户端消息
BeginReceive(userToken);
}
}
catch (Exception ex)
{
UnityEngine.Debug.Log(ex.ToString());
}
}
