public void TopicPubSub()
{
using (var pub = new PublisherSocket())
using (var sub = new SubscriberSocket())
{
var port = pub.BindRandomPort("tcp://127.0.0.1");
sub.Connect("tcp://127.0.0.1:" + port);
sub.Subscribe("A");
// let the subscriber connect to the publisher before sending a message
Thread.Sleep(500);
pub.SendMoreFrame("A").SendFrame("Hello");
CollectionAssert.AreEqual(
new[] {"A", "Hello"},
sub.ReceiveMultipartStrings());
}
}
public void MultiplePublishersAndSubscribersOnSameTopic()
{
using (var pub1 = new PublisherSocket())
using (var pub2 = new PublisherSocket())
using (var sub1 = new SubscriberSocket())
using (var sub2 = new SubscriberSocket())
{
int port1 = pub1.BindRandomPort("tcp://127.0.0.1");
int port2 = pub2.BindRandomPort("tcp://127.0.0.1");
sub1.Connect("tcp://127.0.0.1:" + port1);
sub1.Connect("tcp://127.0.0.1:" + port2);
sub2.Connect("tcp://127.0.0.1:" + port1);
sub2.Connect("tcp://127.0.0.1:" + port2);
// should subscribe to both
sub1.Subscribe("A");
sub2.Subscribe("A");
Thread.Sleep(500);
// Send from pub 1
pub1.SendMoreFrame("A").SendFrame("Hello from the first publisher");
CollectionAssert.AreEqual(new[] { "A", "Hello from the first publisher" }, sub1.ReceiveMultipartStrings());
CollectionAssert.AreEqual(new[] { "A", "Hello from the first publisher" }, sub2.ReceiveMultipartStrings());
// Send from pub 2
pub2.SendMoreFrame("A").SendFrame("Hello from the second publisher");
CollectionAssert.AreEqual(new[] { "A", "Hello from the second publisher" }, sub1.ReceiveMultipartStrings());
CollectionAssert.AreEqual(new[] { "A", "Hello from the second publisher" }, sub2.ReceiveMultipartStrings());
}
}
public void MultipleSubscribersOnDifferentTopics()
{
using (var pub = new PublisherSocket())
using (var sub1 = new SubscriberSocket())
using (var sub2 = new SubscriberSocket())
{
var port = pub.BindRandomPort("tcp://127.0.0.1");
sub1.Connect("tcp://127.0.0.1:" + port);
sub2.Connect("tcp://127.0.0.1:" + port);
sub1.Subscribe("1");
sub1.Subscribe("1&2");
sub2.Subscribe("2");
sub2.Subscribe("1&2");
Thread.Sleep(500);
pub.SendMoreFrame("1").SendFrame("A");
CollectionAssert.AreEqual(new[] { "1", "A" }, sub1.ReceiveMultipartStrings());
Assert.IsFalse(sub2.TrySkipFrame());
pub.SendMoreFrame("2").SendFrame("B");
Assert.IsFalse(sub1.TrySkipFrame());
CollectionAssert.AreEqual(new[] { "2", "B" }, sub2.ReceiveMultipartStrings());
pub.SendMoreFrame("1&2").SendFrame("C");
CollectionAssert.AreEqual(new[] { "1&2", "C" }, sub1.ReceiveMultipartStrings());
CollectionAssert.AreEqual(new[] { "1&2", "C" }, sub2.ReceiveMultipartStrings());
}
}