internal string Request(string req, ref object answer)
{
string ret = "";
lock (myLock) {
if (this.Connection != null && this.Connection.Valid && !this.stopQueued)
{
try {
Communication.GenericRequest request = new Communication.GenericRequest {
Command = req
};
Communication.Response res = Connection.Send(request);
if (!string.IsNullOrWhiteSpace(res.Error))
{
ret = res.Error;
ParentForm.listBoxLog.Log(Util.Level.Error, string.Format("MegaMol did not accept {0}: {1}", req.ToString(), res.Error));
SetProcessState(MegaMolProcessState.MMPS_CONNECTION_BROKEN); // broken
//if (!res.Error.StartsWith("NOTFOUND")) {
// MessageBox.Show(string.Format("MegaMol did not accept {0}", req.ToString()), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
// SetProcessState(MegaMolProcessState.MMPS_CONNECTION_BROKEN); // broken
//} else {
// SetProcessState(MegaMolProcessState.MMPS_CONNECTION_BROKEN); // broken
//}
}
else
{
// problem: slow megamol might re-order answers. so if we continue listening no matter what,
// we will get answers from other requests which blows us up
answer = res.Answer;
SetProcessState(MegaMolProcessState.MMPS_CONNECTION_GOOD); // good
}
} catch (Exception ex) {
if (!stopQueued)
{
// todo set this to false when message ordering really works (see above)
#if false
MessageBox.Show("Failed to send: " + ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
ret = ex.Message;
this.StopObserving();
this.Connection.Close();
this.Connection = null;
#endif
ParentForm.listBoxLog.Log(Util.Level.Error, string.Format("Exception with request {0} in flight: {1}", req.ToString(), ex.Message));
SetProcessState(MegaMolProcessState.MMPS_CONNECTION_BROKEN); // broken
ret = ex.Message;
this.Connection = null;
TryConnecting(this.connectionString);
}
}
}
}
return(ret);
}