}//获取房间信息
public void Leave()
{
if (this.id == null)
{
return;
}
lock (syncObj)
{
chatters.Remove(this.id);
}
ChatEvent -= myEventHandler;
ChatEventArgs e = new ChatEventArgs();
e.msgType = MessageType.UserLeave;
e.name = this.id;
this.id = null;
}
}//私聊
public void fapply(string user)
{
ChatEventArgs e = new ChatEventArgs();
e.msgType = MessageType.friendapply;
e.name = this.id;
try
{
ChatEventHandler chatterTo;//创建一个临时委托实例
lock (syncObj)
{
chatterTo = chatters[user]; //查找成员字典中，找到要接收者的委托调用
}
chatterTo.BeginInvoke(this, e, new AsyncCallback(EndAsync), null); //异步方式调用接收者的委托调用
}
catch (KeyNotFoundException)
{
}
}//好友申请
public void sendmessage(string user, string msg)
{
ChatEventArgs e = new ChatEventArgs();
e.msgType = MessageType.ReceiveWhisper;
e.name = this.id;
e.message = msg;
try
{
ChatEventHandler chatterTo;//创建一个临时委托实例
lock (syncObj)
{
chatterTo = chatters[user]; //查找成员字典中，找到要接收者的委托调用
}
chatterTo.BeginInvoke(this, e, new AsyncCallback(EndAsync), null); //异步方式调用接收者的委托调用
}
catch (KeyNotFoundException)
{
}
}//私聊
}//同意好友申请
public LoginTag login(string id, string pwd)//登陆
{
if (!db.Enter(id, pwd))
{
return(null);
}
myEventHandler = new ChatEventHandler(MyEventHandler);//将MyEventHandler方法作为参数传递给委托
if (!chatters.ContainsKey(id) && id != "" && id != null)
{
this.id = id;
chatters.Add(id, MyEventHandler);
}
LoginTag lt = new LoginTag();
lt.singe = Guid.NewGuid().ToString();
lt.userid = id;
db.sing(lt);
cb = OperationContext.Current.GetCallbackChannel <IClientcallback>(); //获取当前操作客户端实例的通道给IChatCallback接口的实例callback,此通道是一个定义为IChatCallback类型的泛类型,通道的类型是事先服务契约协定好的双工机制。
ChatEventArgs e = new ChatEventArgs(); //实例化事件消息类ChatEventArgs
e.msgType = MessageType.UserEnter;
e.name = id;
return(lt);
}
private void MyEventHandler(object sender, ChatEventArgs e)
{
try
{
switch (e.msgType)
{
case MessageType.Receive:
cb.Receive(e.name, e.message);
break;
case MessageType.ReceiveWhisper:
cb.ReceiveWhisper(e.name, e.message);
break;
case MessageType.UserEnter:
cb.UserEnter(e.name);
break;
case MessageType.UserLeave:
cb.UserLeave(e.name);
break;
case MessageType.friendapply:
cb.cfapply(e.name);
break;
case MessageType.friendaccess:
cb.cfacc(e.name);
break;
}
}
catch
{
Leave();
}
}
