private void Activate()
{
try
{
InitializeMessageBus();
StartProcess();
}
catch (Exception e)
{
_log.ErrorFormat("Can't start application for host: {0}. Error: {1}", _host, e);
lock (_lock)
{
if (_messageBus != null)
{
_messageBus.Dispose();
_messageBus = null;
}
_messageBus = null;
_process = null;
_state = ApplicationState.Inactive;
}
}
}
private void InitializeMessageBus()
{
_messageBus = new NamedPipeMessageBus(_hostPipeName, _appPipeName);
_messageBus.Subscribe((ApplicationActivatedMessage msg) => OnApplicationActivated());
_messageBus.Subscribe((SendDataMessage msg) => SendMessage(msg.ConnectionIdentity, msg.Data));
_messageBus.Subscribe((CloseConnectionMessage msg) => CloseConnection(msg.ConnectionIdentity));
}
public void Start()
{
_finishedWaitHandle.Reset();
Init();
_messageBus = new NamedPipeMessageBus(_appPipeName, _hostPipeName);
_messageBus.Subscribe((ConnectionOpenedMessage msg) =>
{
RegisterConnection(new ProxyWebSocketConnection(msg, this));
});
_messageBus.Subscribe((ConnectionClosedMessage msg) =>
{
UnregisterConnection(msg.ConnectionIdentity);
});
_messageBus.Subscribe((DataReceivedMessage msg) =>
{
var c = GetConnection(msg.ConnectionIdentity);
if (c == null)
{
_log.Error("Received message for not existing connection");
return;
}
OnMessageReceived(new WebSocketMessageEventArgs(c, msg.Data));
});
_messageBus.Subscribe((PingReceivedMessage msg) =>
{
var c = GetConnection(msg.ConnectionIdentity);
if (c == null)
{
_log.Error("Received message for not existing connection");
return;
}
OnPingReceived(new WebSocketConnectionEventArgs(c));
});
_messageBus.Subscribe((CloseApplicationMessage msg) =>
{
Stop();
});
_messageBus.Notify(new ApplicationActivatedMessage());
}
private void Shutdown()
{
// close process
if (_process != null)
{
_handleProcessExit = false;
_messageBus.Notify(new CloseApplicationMessage());
if (!_process.WaitForExit(_terminateTimeout))
{
_process.Kill();
}
_process = null;
_handleProcessExit = true;
}
// close message bus
if (_messageBus != null)
{
_messageBus.Dispose();
_messageBus = null;
}
// close web socket connections
if (_connections.Count > 0)
{
_handleConnectionClose = false;
foreach (var connection in _connections)
{
connection.Close();
}
_handleConnectionClose = true;
}
}
