private void ReceiveCb(IAsyncResult ar)
{
ClientPeer conn = (ClientPeer)ar.AsyncState;
lock (conn)
{
try
{
int count = conn.socket.EndReceive(ar);
//关闭信号
if (count <= 0)
{
Console.WriteLine("收到 [" + conn.GetAdress() + "] 断开链接");
conn.Close();
return;
}
conn.buffCount += count;
ProcessData(conn);
//继续接收
conn.socket.BeginReceive(conn.readBuff,
conn.buffCount, conn.BuffRemain(),
SocketFlags.None, ReceiveCb, conn);
}
catch (Exception e)
{
Console.WriteLine("收到 [" + conn.GetAdress() + "] 断开链接 " + e.Message);
conn.Close();
}
}
}
//心跳
public void HeartBeat()
{
//Console.WriteLine ("[主定时器执行]");
long timeNow = Sys.GetTimeStamp();
for (int i = 0; i < conns.Length; i++)
{
ClientPeer conn = conns[i];
if (conn == null)
{
continue;
}
if (!conn.isUse)
{
continue;
}
if (conn.lastTickTime < timeNow - heartBeatTime)
{
Console.WriteLine("[心跳引起断开连接]" + conn.GetAdress());
lock (conn)
conn.Close();
}
}
}
//Accept回调
private void AcceptCb(IAsyncResult ar)
{
try
{
Socket socket = listenfd.EndAccept(ar);
int index = NewIndex();
if (index < 0)
{
socket.Close();
Console.Write("[警告]链接已满");
}
else
{
ClientPeer conn = conns[index];
conn.Init(socket);
string adr = conn.GetAdress();
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);
}
}
//发送
public void Send(ClientPeer conn, ProtocolBase protocol)
{
byte[] bytes = protocol.Encode();
byte[] length = BitConverter.GetBytes(bytes.Length);
byte[] sendbuff = length.Concat(bytes).ToArray();
try
{
conn.socket.BeginSend(sendbuff, 0, sendbuff.Length, SocketFlags.None, null, null);
}
catch (Exception e)
{
Console.WriteLine("[发送消息]" + conn.GetAdress() + " : " + e.Message);
}
}