private Task CompileNamespaceAsTask(NamespaceSymbol symbol)
{
return(Task.Run(() =>
{
try
{
CompileNamespace(symbol);
return (object)null;
}
catch (Exception e) if (CompilerFatalError.ReportUnlessCanceled(e))
{
throw ExceptionUtilities.Unreachable;
}
}, this.cancellationToken));
}
public async Task ServeConnection()
{
BuildRequest request;
try
{
Log("Begin reading request");
request = await BuildRequest.ReadAsync(pipeStream, cancellationTokenSource.Token).ConfigureAwait(false);
Log("End reading request");
}
catch (IOException e)
{
LogException(e, "Reading request from named pipe.");
FinishConnection(CompletionReason.IOFailure);
return;
}
catch (OperationCanceledException e)
{
LogException(e, "Reading request from named pipe.");
FinishConnection(CompletionReason.Cancelled);
return;
}
if (!ClientAndOurIdentitiesMatch(pipeStream))
{
Log("Client identity doesn't match.");
FinishConnection(CompletionReason.SecurityViolation);
return;
}
CheckForNewKeepAlive(request);
// Start a monitor that cancels if the pipe closes on us
var _ = MonitorPipeForDisconnection().ConfigureAwait(false);
// Do the compilation
Log("Begin compilation");
BuildResponse response = await Task.Run(() =>
{
try
{
return(handler.HandleRequest(request, cancellationTokenSource.Token));
}
catch (Exception e) if (CompilerFatalError.ReportUnlessCanceled(e))
{
throw ExceptionUtilities.Unreachable;
}
}).ConfigureAwait(false);
Log("End compilation");
try
{
Log("Begin writing response");
await response.WriteAsync(pipeStream, cancellationTokenSource.Token).ConfigureAwait(false);
Log("End writing response");
}
catch (IOException e)
{
LogException(e, "Writing response to named pipe.");
FinishConnection(CompletionReason.IOFailure);
return;
}
catch (OperationCanceledException e)
{
LogException(e, "Writing response to named pipe.");
FinishConnection(CompletionReason.Cancelled);
return;
}
Log("Completed writing response to named pipe.");
FinishConnection(CompletionReason.Success);
}
