// parse and send msg
// will raise an exception on any failure
private void _sendMsg(QueueMsg msg)
{
string data = _toJSON(msg.data);
_logDbgMsg(data);
try {
_sendServer(msg.uri, data);
} catch (System.Net.WebException e) {
switch (e.Status)
{
// retrieve syntax error message from the server
case System.Net.WebExceptionStatus.ProtocolError:
if (msg.IsCritical())
{
System.Net.WebResponse resp = e.Response;
Stream strm = resp.GetResponseStream();
StreamReader sr = new StreamReader(strm, System.Text.Encoding.UTF8);
string serverMsg = sr.ReadToEnd();
strm.Close();
throw new CriticalMessageIllFormedException(serverMsg);
}
break;
case System.Net.WebExceptionStatus.ConnectFailure:
throw new ServerDownException(e.Message);
// unhandled
default:
_logException("Unexpected status", e);
throw;
}
}
}
private void _gamesenseWrk()
{
QueueMsg pendingMsg = null;
System.Diagnostics.Stopwatch tLastMsg = new System.Diagnostics.Stopwatch();
tLastMsg.Start();
while (_mGameSenseWrkShouldRun)
{
switch (_mClientState)
{
case ClientState.Active:
// see if there is any message to process
QueueMsg msg;
while ((msg = _mMsgQueue.CDequeue()) == null)
{
// no messages in queue, sleep a bit before checking again
System.Threading.Thread.Sleep(_MsgCheckInterval);
// if a heartbeat event is due, send it now
if (tLastMsg.ElapsedMilliseconds > _MaxIdleTimeBeforeHeartbeat)
{
msg = new QueueMsgSendHeartbeat();
msg.data = new Game(GameName);
break;
}
}
try {
// attempt to send a message
_sendMsg(msg);
// message sent successfully, reset timer
tLastMsg.Reset();
tLastMsg.Start();
} catch (ServerDownException e) {
// GameSense server down, save the message and go to probing state
_logException("Failed connecting to GameSense server", e);
pendingMsg = msg;
_setClientState(ClientState.Probing);
} catch (CriticalMessageIllFormedException e) {
// RegisterGame or RegisterEvent or BindEvent messages are not well formed
// log and disable
_logException("Message ill-formed", e);
_setClientState(ClientState.Inactive);
} catch (System.Exception e) {
_logException("Failed processing msg", e);
}
break;
case ClientState.Probing:
// parse props to get GameSense server port
_mServerPort = _getServerPort();
if (_mServerPort == null)
{
// SSE3 not installed or coreprops garbled
// this failure is beyond anything we can do, GameSense will remain disabled
_logWarning("Failed to obtain GameSense server port. GameSense will not function");
_setClientState(ClientState.Inactive);
break;
}
// port information successfully parsed, init uris
_initializeUris();
if (pendingMsg != null)
{
// attempt to send a pending message
try {
_sendMsg(pendingMsg);
pendingMsg = null;
} catch (ServerDownException e) {
// GameSense server down, wait a bit and retry
_logException("Failed connecting to GameSense server", e);
_logDbgMsg("Retrying in 5 seconds...");
System.Threading.Thread.Sleep(_ServerProbeInterval);
break;
}
}
// we can attempt to send data, go to active state
_setClientState(ClientState.Active);
break;
case ClientState.Inactive:
// quit
_logDbgMsg("Entering inactive state");
_mGameSenseWrkShouldRun = false;
break;
default:
// unknown state, must abort
_logErrorMsg("Unknown GameSense client state");
_setClientState(ClientState.Inactive);
break;
}
}
_logDbgMsg("Worker exiting");
}