private void ServerStatusCallback(object state)
{
List<ServerSideSession> sessions;
List<MessageQueue> messageQueues;
using (_lockObject.Lock())
{
if (_serverStatusMessageQueue == null)
{
return;
}
sessions = new List<ServerSideSession>(_sessions.Values);
messageQueues = new List<MessageQueue>(_messageQueues.Values);
}
// need to be unlocked to perform this, otherwise we could deadlock
var message = new ServerStatusMessage
{
MessageQueues = new List<MessageQueueStatus>(),
Sessions = new List<SessionStatus>(),
};
foreach (var session in sessions)
{
var status = session.CreateSessionStatus();
message.Sessions.Add(status);
}
foreach (var messageQueue in messageQueues)
{
var status = messageQueue.CreateStatus();
message.MessageQueues.Add(status);
}
var frame = new StompFrame(StompCommand.Message);
frame.Serialize(message);
frame.SetExpires(_config.ServerStatusPeriod);
MessageQueue queue;
using (_lockObject.Lock())
{
queue = _serverStatusMessageQueue;
}
// ReSharper disable ConditionIsAlwaysTrueOrFalse
if (queue != null)
// ReSharper restore ConditionIsAlwaysTrueOrFalse
{
queue.PublishFrame(frame);
_serverStatusTimer.Change(_config.ServerStatusPeriod, TimeSpan.FromMilliseconds(-1));
}
}
private void HandleServerStatusMessage(ServerStatusMessage msg)
{
}