public void ReceiveErrorAnswer()
{
var service = Guid.NewGuid().ToString() + ".local";
var done = new ManualResetEvent(false);
var mdns = new MulticastService();
mdns.NetworkInterfaceDiscovered += (s, e) => mdns.SendQuery(service);
mdns.QueryReceived += (s, e) =>
{
var msg = e.Message;
if (msg.Questions.Any(q => q.Name == service))
{
var res = msg.CreateResponse();
res.Status = MessageStatus.Refused;
res.Answers.Add(new ARecord
{
Name = service,
Address = IPAddress.Parse("127.1.1.1")
});
mdns.SendAnswer(res);
}
};
mdns.AnswerReceived += (s, e) =>
{
var msg = e.Message;
if (msg.Answers.Any(a => a.Name == service))
{
done.Set();
}
};
try
{
mdns.Start();
Assert.IsFalse(done.WaitOne(TimeSpan.FromSeconds(0.5)), "answer was not ignored");
}
finally
{
mdns.Stop();
}
}
public void Nics()
{
var done = new ManualResetEvent(false);
var mdns = new MulticastService();
IEnumerable <NetworkInterface> nics = null;
mdns.NetworkInterfaceDiscovered += (s, e) =>
{
nics = e.NetworkInterfaces;
done.Set();
};
mdns.Start();
try
{
Assert.IsTrue(done.WaitOne(TimeSpan.FromSeconds(1)), "timeout");
Assert.IsTrue(nics.Count() > 0);
}
finally
{
mdns.Stop();
}
}
public void Discover_ServiceInstance_WithAnswersContainingAdditionRecords()
{
var service = new ServiceProfile("y", "_sdtest-2._udp", 1024);
var done = new ManualResetEvent(false);
var mdns = new MulticastService();
var sd = new ServiceDiscovery(mdns)
{
AnswersContainsAdditionalRecords = true
};
Message discovered = null;
mdns.NetworkInterfaceDiscovered += (s, e) =>
{
sd.QueryServiceInstances(service.ServiceName);
};
sd.ServiceInstanceDiscovered += (s, e) =>
{
if (e.ServiceInstanceName == service.FullyQualifiedName)
{
Assert.IsNotNull(e.Message);
discovered = e.Message;
done.Set();
}
};
try
{
sd.Advertise(service);
mdns.Start();
Assert.IsTrue(done.WaitOne(TimeSpan.FromSeconds(1)), "instance not found");
Assert.AreEqual(0, discovered.AdditionalRecords.Count);
Assert.IsTrue(discovered.Answers.Count > 1);
}
finally
{
sd.Dispose();
mdns.Stop();
}
}
public void SendNonQuery()
{
var query = new Message
{
Opcode = MessageOperation.Status,
QR = false
};
var done = new ManualResetEvent(false);
var mdns = new MulticastService();
mdns.NetworkInterfaceDiscovered += (s, e) => mdns.SendQuery(query);
mdns.QueryReceived += (s, e) => done.Set();
try
{
mdns.Start();
Assert.IsFalse(done.WaitOne(TimeSpan.FromSeconds(0.5)), "query was not ignored");
}
finally
{
mdns.Stop();
}
}
public void Discover_ServiceInstance_with_Subtype()
{
var service1 = new ServiceProfile("x", "_sdtest-2._udp", 1024);
var service2 = new ServiceProfile("y", "_sdtest-2._udp", 1024);
service2.Subtypes.Add("apiv2");
var done = new ManualResetEvent(false);
var mdns = new MulticastService();
var sd = new ServiceDiscovery(mdns);
mdns.NetworkInterfaceDiscovered += (s, e) =>
{
sd.QueryServiceInstances("_sdtest-2._udp", "apiv2");
};
sd.ServiceInstanceDiscovered += (s, e) =>
{
if (e.ServiceInstanceName == service2.FullyQualifiedName)
{
Assert.IsNotNull(e.Message);
done.Set();
}
};
try
{
sd.Advertise(service1);
sd.Advertise(service2);
mdns.Start();
Assert.IsTrue(done.WaitOne(TimeSpan.FromSeconds(1)), "instance not found");
}
finally
{
sd.Dispose();
mdns.Stop();
}
}