private void Process()
{
Pipe.WaitForConnection();
var msgWatch = new Stopwatch();
while (true)
{
Tuple <Protocol.Request, TaskCompletionSource <Protocol.Response>, JavaEditor> item = null;
lock (WorkItems)
{
if (WorkItems.Count == 0)
{
Thread.Sleep(100); // trottle down
continue;
}
// Dequeue next item
while (true)
{
item = WorkItems.Dequeue();
// Peek at the queue to see if the LIFO request was invalidated by a newer request of the same type
if (WorkItems.Count != 0 &&
LIFORequests.Contains(item.Item1.requestType) &&
WorkItems.Any(x => x.Item1.requestType == item.Item1.requestType))
{
item.Item2.SetCanceled();
continue; // There is another request in the queue of the same type; will ignore this one
}
break;
}
}
try
{
Telemetry.Client.Get().TrackEvent(
"App.MessageSend",
new Dictionary <string, string> {
{ "Protocol.RequestType", item.Item1.requestType.ToString() }
},
null);
if (item.Item3 != null)
{
item.Item3.Fire_OperationStarted(item.Item1);
}
msgWatch.Restart();
Pipe.WriteMessage(item.Item1);
var response = Pipe.ReadMessage();
msgWatch.Stop();
if (item.Item3 != null)
{
item.Item3.Fire_OperationCompleted(item.Item1, response);
}
if (response != null)
{
Telemetry.Client.Get().TrackEvent(
"App.MessageReceived",
new Dictionary <string, string> {
{ "Protocol.ResponseType", response.responseType.ToString() }
},
null);
}
if (response != null &&
response.responseType == Protocol.Response.ResponseType.FileParseStatus &&
response.fileParseResponse.status == false)
{
// Parse failed; time to shutdown the server
// Clear queue
lock (WorkItems)
{
while (WorkItems.Count != 0)
{
var citem = WorkItems.Dequeue();
citem.Item2.SetCanceled();
}
}
// Notify editors and other listeners that the server is about to go down
if (TerminatedAbnormally != null)
{
TerminatedAbnormally(this, response);
}
// Exit loop
break;
}
Telemetry.Client.Get().TrackMetric("App.Metric.MessageResponse",
msgWatch.ElapsedMilliseconds, 1, msgWatch.ElapsedMilliseconds, msgWatch.ElapsedMilliseconds,
new Dictionary <string, string> {
{ "Protocol.RequestType", item.Item1.requestType.ToString() }
});
item.Item2.SetResult(response);
}
catch (IOException e)
{
item.Item2.SetException(e);
Telemetry.Client.Get().TrackException(e, new Dictionary <string, string> {
{ "Protocol.RequestType", item.Item1.requestType.ToString() }
}, null);
}
// If "bye", exit the thread since the child process will exit anyway
if (item.Item1.requestType == Protocol.Request.RequestType.Bye)
{
break; // will exit thread
}
}
if (JavaPkgSrv != null)
{
JavaPkgSrv.Close();
}
Pipe.Disconnect();
Pipe.Dispose();
}
