private void appServer_SessionClosed(WebSocketSession session, CloseReason reason)
{
// Stop keepalive message timer
KeepAliveDMYMsgTimer keepaliveMsgTimer = (KeepAliveDMYMsgTimer)session.Items["KeepAliveTimer"];
keepaliveMsgTimer.Stop();
IPAddress destinationAddress = session.RemoteEndPoint.Address;
logger.Info("Session closed from : " + destinationAddress.ToString() + " Reason :" + reason.ToString());
}
/// <summary>
/// Constructor of KeepAliveMsgTimer
/// </summary>
/// <param name="session">Target WebSocket session.</param>
/// <param name="interval">Keep alive interval in milisecond.</param>
public KeepAliveDMYMsgTimer(WebSocketSession session, int interval)
{
this.webSocketSession = session;
this.KeepAliveInterval = interval;
this.keepAliveTimer = new Timer((object obj) =>
{
KeepAliveDMYMsgTimer timerObj = (KeepAliveDMYMsgTimer)obj;
WebSocketSession targetSession = timerObj.webSocketSession;
targetSession.Send(DUMMY_MESSAGE);
}, this, Timeout.Infinite, KeepAliveInterval);
}
private void appServer_NewSessionConnected(WebSocketSession session)
{
lock (create_session_busy_lock_obj)//Wait websocket session is created.
{
WebsocketSessionParam sendparam = createSessionParam();
KeepAliveDMYMsgTimer keepAliveMsgTimer = new KeepAliveDMYMsgTimer(session, this.KeepAliveInterval);
keepAliveMsgTimer.Start();
session.Items.Add("Param", sendparam);
session.Items.Add("KeepAliveTimer", keepAliveMsgTimer);
IPAddress destinationAddress = session.RemoteEndPoint.Address;
logger.Info("New session connected from : " + destinationAddress.ToString());
}
}