public WorkerEventLoopGroup(DispatcherEventLoop dispatcherLoop, int eventLoopCount)
{
Contract.Requires(dispatcherLoop != null);
this.dispatcherLoop = dispatcherLoop;
this.dispatcherLoop.PipeStartTask.Wait(StartTimeout);
this.PipeName = this.dispatcherLoop.PipeName;
this.eventLoops = new IEventLoop[eventLoopCount];
var terminationTasks = new Task[eventLoopCount];
for (int i = 0; i < eventLoopCount; i++)
{
WorkerEventLoop eventLoop;
bool success = false;
try
{
eventLoop = new WorkerEventLoop(this);
eventLoop.StartAsync().Wait(StartTimeout);
success = true;
}
catch (Exception ex)
{
throw new InvalidOperationException("failed to create a child event loop.", ex);
}
finally
{
if (!success)
{
Task.WhenAll(this.eventLoops.Take(i).Select(loop => loop.ShutdownGracefullyAsync()))
.Wait();
}
}
this.eventLoops[i] = eventLoop;
terminationTasks[i] = eventLoop.TerminationCompletion;
}
this.TerminationCompletion = Task.WhenAll(terminationTasks);
}
