private void ReceiveCb(IAsyncResult ar)
{
Conn conn = (Conn)ar.AsyncState;
try
{
//获取接受的字节数
int count = conn.socket.EndReceive(ar);
if (count <= 0)
{
Console.WriteLine("收到[" + conn.GetAdress() + "]断开连接");
conn.Close();
return;
}
//数据处理
//string str = System.Text.Encoding.UTF8.GetString(conn.readBuff, 0, count);
conn.buffCount += count;
ProcessData(conn);
conn.socket.BeginReceive(conn.readBuff, conn.buffCount, conn.BuffRemain(), SocketFlags.None, ReceiveCb, conn);
}
catch (Exception e)
{
Console.WriteLine("收到[" + conn.GetAdress() + "]断开连接" + e.Message);
conn.Close();
}
}
//与客户端建立链接
private void AcceptCb(IAsyncResult ar)
{
try
{
Socket clientSocket = socket.EndAccept(ar);
int index = NewIndex();
if (index < 0)
{
clientSocket.Close();
Console.WriteLine("[警告]连接池已满");
}
else
{
Conn conn = conns[index];
conn.Init(clientSocket);
Console.WriteLine("客户端连接[" + conn.GetAdress() + "]");
conn.socket.BeginReceive(conn.readBuff, conn.buffCount, conn.BuffRemain(), SocketFlags.None, ReceiveCb, conn);
}
socket.BeginAccept(AcceptCb, null);
}
catch (Exception e)
{
Console.WriteLine("AcceptCb失败：" + e.Message);
}
}
private void AcceptCb(IAsyncResult ar)
{
try
{
Socket socket = listenfd.EndAccept(ar);
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.GetAddr();
Console.WriteLine("客户端连接[" + adr + "]conn池ID：" + index);
conn.socket.BeginReceive(conn.readBuff, conn.buffCount, conn.BuffRemain(), SocketFlags.None, ReceiveCb, conn);
listenfd.BeginAccept(AcceptCb, null);
}
}
catch (Exception e)
{
Console.WriteLine("AcceptCb失败：" + e.Message);
}
}
private void ReceiveCb(IAsyncResult ar)
{
Conn conn = (Conn)ar.AsyncState;
lock (conn)
{
try
{
int count = conn.socket.EndReceive(ar);
if (count <= 0)
{
return;
}
conn.buffCount += count;
ProcessData(conn);
conn.socket.BeginReceive(conn.readBuff, conn.buffCount, conn.BuffRemain(), SocketFlags.None, ReceiveCb, conn);
}
catch { }
}
}