public static void Main()
{
Console.WriteLine("Subscribing to " + Channel + " on stream Id " + StreamID);
var ctx = new Aeron.Context()
.AvailableImageHandler(SamplesUtil.PrintUnavailableImage)
.UnavailableImageHandler(SamplesUtil.PrintUnavailableImage);
var reporter = new RateReporter(1000, SamplesUtil.PrintRate);
var fragmentAssembler = new FragmentAssembler(SamplesUtil.RateReporterHandler(reporter));
var running = new AtomicBoolean(true);
var t = new Thread(subscription => SamplesUtil.SubscriberLoop(fragmentAssembler.OnFragment, FragmentCountLimit, running)((Subscription) subscription));
var report = new Thread(reporter.Run);
using (var aeron = Aeron.Connect(ctx))
using (var subscription = aeron.AddSubscription(Channel, StreamID))
{
t.Start(subscription);
report.Start();
Console.ReadLine();
Console.WriteLine("Shutting down...");
running.Set(false);
reporter.Halt();
t.Join();
report.Join();
}
}
public static void Main()
{
if (MessageLength < BitUtil.SIZE_OF_LONG)
{
throw new ArgumentException($"Message length must be at least {BitUtil.SIZE_OF_LONG:D} bytes");
}
ComputerSpecifications.Dump();
var context = new Aeron.Context();
var reporter = new RateReporter(1000, PrintRate);
_reporterThread = new Thread(_ => reporter.Run());
_reporterThread.Start();
// Connect to media driver and add publication to send messages on the configured channel and stream ID.
// The Aeron and Publication classes implement AutoCloseable, and will automatically
// clean up resources when this try block is finished.
using (var aeron = Aeron.Connect(context))
using (var publication = aeron.AddPublication(Channel, StreamID))
using (var byteBuffer = BufferUtil.AllocateDirectAligned(MessageLength, BitUtil.CACHE_LINE_LENGTH))
using (var buffer = new UnsafeBuffer(byteBuffer))
{
do
{
_printingActive = true;
Console.WriteLine($"Streaming {NumberOfMessages} messages of {(RandomMessageLength ? " random" : "")} size {MessageLength} bytes to {Channel} on stream Id {StreamID}");
long backPressureCount = 0;
for (long i = 0; i < NumberOfMessages; i++)
{
var length = LengthGenerator.AsInt;
buffer.PutLong(0, i);
OfferIdleStrategy.Reset();
while (publication.Offer(buffer, 0, length) < 0L)
{
// The offer failed, which is usually due to the publication
// being temporarily blocked. Retry the offer after a short
// spin/yield/sleep, depending on the chosen IdleStrategy.
backPressureCount++;
OfferIdleStrategy.Idle();
}
reporter.OnMessage(1, length);
}
Console.WriteLine("Done streaming. Back pressure ratio " + (double) backPressureCount/NumberOfMessages);
if (0 < LingerTimeoutMs)
{
Console.WriteLine("Lingering for " + LingerTimeoutMs + " milliseconds...");
Thread.Sleep((int) LingerTimeoutMs);
}
_printingActive = false;
Console.WriteLine("Execute again?");
} while (Console.ReadLine() == "y");
}
reporter.Halt();
_reporterThread.Join();
}
/// <summary>
/// Return a reusable, parameteried <seealso cref="IFragmentHandler"/> that calls into a
/// <seealso cref="RateReporter"/>.
/// </summary>
/// <param name="reporter"> for the rate </param>
/// <returns> <seealso cref="IFragmentHandler"/> that records the rate information </returns>
public static IFragmentHandler RateReporterHandler(RateReporter reporter)
{
return(HandlerHelper.ToFragmentHandler((buffer, offset, length, header) => reporter.OnMessage(1, length)));
}
/// <summary>
/// Return a reusable, parameteried <seealso cref="FragmentHandler"/> that calls into a
/// <seealso cref="RateReporter"/>.
/// </summary>
/// <param name="reporter"> for the rate </param>
/// <returns> <seealso cref="FragmentHandler"/> that records the rate information </returns>
public static FragmentHandler RateReporterHandler(RateReporter reporter)
{
return (buffer, offset, length, header) => reporter.OnMessage(1, length);
}
