//Accept回调
private void AcceptCb(IAsyncResult asyncResult)
{
try
{
Socket socket = listenfd.EndAccept(asyncResult);
int index = NewIndex();
if (index < 0)
{
socket.Close();
Console.Write("[警告]连接已满");
}
else
{
Conn conn = conns[index];
conn.Init(socket);
string adr = conn.GetAddress();
Console.WriteLine("客户端连接[" + adr + "] conn池ID:" + index);
//异步接收客户端数据
conn.socket.BeginReceive(conn.readBuff, conn.buffCount, conn.BuffRemain(), SocketFlags.None, ReceiveCb, conn);
}
//再次调用 BeginAccept实现循环
listenfd.BeginAccept(AcceptCb, null);
}
catch (Exception e)
{
Console.WriteLine("AcceptCb失败：" + e.Message);
}
}
private void ReceiveCb(IAsyncResult asyncResult)
{
Conn conn = (Conn)asyncResult.AsyncState;
lock (conn)
{
try
{
//获取接收的字节数
int count = conn.socket.EndReceive(asyncResult);
//Console.WriteLine("");
//Console.WriteLine("[ServNet] 接收到字节数 count = " + count+"-------------------------------------------------------");
//关闭信号
if (count <= 0)
{
Console.WriteLine("[ServNet] 收到 " + conn.GetAddress() + " 断开连接");
conn.Close();
return;
}
conn.buffCount += count;
ProcessData(conn);
//继续接收，实现循环
conn.socket.BeginReceive(conn.readBuff, conn.buffCount, conn.BuffRemain(), SocketFlags.None, ReceiveCb, conn);
}
catch (Exception e)
{
Console.WriteLine("[ServNet] 收到 " + conn.GetAddress() + " 断开连接-异常触发 " + e.Message);
conn.Close();
}
}
}