/// <summary>
/// 应客户端要求建立连接后的处理线程
/// </summary>
/// <param name="ia"></param>
private void AcceptCallBack(IAsyncResult ar)
{
try
{
//定义一个新的客户端对象
Session state = (Session)ar.AsyncState;
Socket client = state._workSocket;
#region === 消息处理 ===
//登录成功,则进入消息等待中
int RevNumber = 0;
if (client.Connected)
{
#region === 正常或非正常的断线处理 ===
try { RevNumber = client.EndReceive(ar); }
catch {
if (ChatEvent != null)
{
ChatEvent(this, new ChatEventArgs() { CmdId = "OUT", From = this._id, To = 0, Content = this._name });
}
return;
}
if (RevNumber == 0)
{
if (ChatEvent != null)
{
ChatEvent(this, new ChatEventArgs() { CmdId = "OUT", From = this._id, To = 0, Content = this._name });
}
return;
}
#endregion
DataFrame dr = new DataFrame(RecvDataBuffer);
string content = dr.Text;
string[] msgs = content.Split(',');
if (msgs[0] == "LIN")
{
this._name = content.Substring(8);
//通知其他客户端有人上线了
if (ChatEvent != null)
{
ChatEventArgs args = new ChatEventArgs();
args.CmdId = "LIN";
args.From = this._id;
args.To = 0;
args.Content = this._name;
ChatEvent(this, new ChatEventArgs() { CmdId = "LIN", From = this._id, To = 0, Content = this._name });
}
}
else if (msgs[0] == "MSG")
{
//聊天
if (ChatEvent != null)
{
ChatEvent(this, new ChatEventArgs() { CmdId = "MSG", From = Convert.ToInt32(msgs[1]), To = Convert.ToInt32(msgs[2]), Content = content.Substring(msgs[0].Length + msgs[1].Length + msgs[2].Length + 3) });
}
}
else
{
//下线
if (ChatEvent != null)
{
ChatEvent(this, new ChatEventArgs() { CmdId = "OUT", From = this._id, To = 0, Content = this._name });
}
}
//继续接收来自来客户端的数据
client.BeginReceive(RecvDataBuffer, 0, RecvDataBuffer.Length, SocketFlags.None,
new AsyncCallback(AcceptCallBack), state);
}
#endregion
}
catch { }
}
/// <summary>
/// 往关联的客户端发送数据
/// </summary>
public void Send(string message)
{
DataFrame dr = new DataFrame(message);
_workSocket.Send(dr.GetBytes());
}
void state_ChatEvent(object sender, ChatEventArgs e)
{
if (e.CmdId == "LIN")
{
Session ss = (Session)sender;
DataFrame dr = new DataFrame(OnlineClients);
ss.Send("OLN,0," + e.From + "," + dr.Text);
SendToAll(e.From, e.ToString());
}
else if (e.CmdId == "MSG")
{
if (e.To == 0)
{
SendToAll(e.From, e.ToString());
}
else
{
SendToOne(e.To, e.ToString());
}
}
else
{
m_clients.Remove(e.From);
SendToAll(e.From, e.ToString());
}
}