public bool ResponseMessage(MessageListener lstn, int id, string message)
{
try
{
lstn.Response(id, message);
return(true);
}
catch (Exception ex)
{
OnNotifyError(lstn, ex);
}
return(false);
}
private void OnNotifyError(MessageListener listener, Exception error)
{
if (this.NotifyError == null || listener == null)
{
return;
}
MessageNotifyErrorEventArgs args = new MessageNotifyErrorEventArgs(listener, error);
ThreadPool.QueueUserWorkItem(delegate(object state)
{
this.NotifyError(this, state as MessageNotifyErrorEventArgs);
}, args);
}
/// <summary>
/// 线程安全的获取当前监听器对应的原有监听器，如果没有，返回空
/// </summary>
/// <param name="newListener"></param>
/// <returns></returns>
private MessageListener GetExistsListener(MessageListener newListener)
{
lock (_syncLock)
{
if (_listeners.Count > 0)
{
int index = _listeners.IndexOf(newListener);
if (index >= 0)
{
return(_listeners[index]);
}
}
return(null);
}
}
public MessageListener GetListener(string ip, int port)
{
MessageListener lsn = null;
lock (_syncLock)
{
lsn = _listeners.FirstOrDefault(p => p.FromIP == ip && p.FromPort == port);
}
//由主程序定期执行 CheckListeners 方法，故此注释下面的代码 dth,2012.5.3
//if (lsn != null && DateTime.Now.Second % 12 == 0)
//{
// //检查连接是否还有效
// if (!this.NotifyOneMessage(lsn, 0, "heart beat"))
// lsn = null;
//}
return(lsn);
}
public override bool Equals(object obj)
{
bool eq = base.Equals(obj);
if (!eq)
{
MessageListener lstn = obj as MessageListener;
#if (MONO)
//下面一行用于mono,FromIP 是sessionid
if (this.FromIP == lstn.FromIP && this.FromPort == lstn.FromPort)
{
eq = true;
}
#else
if (lstn._innerListener.Equals(this._innerListener))
{
eq = true;
}
#endif
}
return(eq);
}
public void AcceptMessage(MessageListener listener)
{
if (_listeners.Contains(listener))
{
if (ListenerAcceptMessage != null)
{
//由于此方法相关的服务接口特性为 IsOneWay = true ,listener 将很快过期
MessageListener currLsn = this.GetListener(listener.FromIP, listener.FromPort);
if (currLsn != null)
{
currLsn.FromMessage = listener.FromMessage;
currLsn.MessageID = listener.MessageID;
//string showMsg = currLsn.FromMessage.Length > 1000 ? currLsn.FromMessage.Substring(0, 1000) : currLsn.FromMessage;
//Console.WriteLine("MessageListener FromMessage:{0},MessageID:{1}", showMsg, currLsn.MessageID);
this.ListenerAcceptMessage(this, new MessageListenerEventArgs(currLsn));
}
}
}
else
{
OnNotifyError(listener, new Exception("监听器未被注册。"));
}
}
public string RequestMessage(MessageListener listener)
{
if (_listeners.Contains(listener))
{
if (ListenerRequestMessage != null)
{
//依赖于外部对消息进行处理，取得ResultText
MessageListener currLsn = this.GetListener(listener);
currLsn.FromMessage = listener.FromMessage;
MessageRequestEventArgs args = new MessageRequestEventArgs(currLsn);
ListenerRequestMessage(this, args);
return(args.ResultText);
}
else
{
return("");
}
}
else
{
OnNotifyError(listener, new Exception("监听器未被注册。"));
}
return("");
}
public void AddListener(MessageListener listener)
{
AddListener(listener, "");
}
public MessageNotifyErrorEventArgs(MessageListener listener, Exception error)
{
this.Listener = listener;
this.Error = error;
}
public MessageRequestEventArgs(MessageListener listener, string messageText)
: base(listener, messageText)
{
this.MessageText = listener.FromMessage;
}
public MessageRequestEventArgs(MessageListener listener)
: base(listener)
{
this.MessageText = listener.FromMessage;
}
public MessageListenerEventArgs(MessageListener listener, string messageText)
{
this.Listener = listener;
this.MessageText = messageText;
}
public MessageListenerEventArgs(MessageListener listener)
{
this.Listener = listener;
}