public void TestSyncSubscriptionPending()
{
int total = 100;
ConditionalObj subDoneCond = new ConditionalObj();
ConditionalObj startProcessing = new ConditionalObj();
byte[] data = System.Text.Encoding.UTF8.GetBytes("0123456789");
using (IConnection c = new ConnectionFactory().CreateConnection())
{
ISyncSubscription s = c.SubscribeSync("foo");
for (int i = 0; i < total; i++)
{
c.Publish("foo", data);
}
c.Flush();
Assert.IsTrue(s.QueuedMessageCount == total);
Assert.IsTrue((s.MaxPendingBytes == (data.Length * total)) ||
(s.MaxPendingBytes == (data.Length * total)));
Assert.IsTrue((s.MaxPendingMessages == total) ||
(s.MaxPendingMessages == total));
Assert.IsTrue(s.Delivered == 0);
Assert.IsTrue(s.Dropped == 0);
for (int i = 0; i < total; i++)
{
s.NextMessage();
}
Assert.IsTrue(s.QueuedMessageCount == 0);
Assert.IsTrue((s.MaxPendingBytes == (data.Length * total)) ||
(s.MaxPendingBytes == (data.Length * total)));
Assert.IsTrue((s.MaxPendingMessages == total) ||
(s.MaxPendingMessages == total));
Assert.IsTrue(s.Delivered == total);
Assert.IsTrue(s.Dropped == 0);
s.Unsubscribe();
}
}
public void TestCallbacksOrder()
{
bool firstDisconnect = true;
long orig = DateTime.Now.Ticks;
long dtime1 = orig;
long dtime2 = orig;
long rtime = orig;
long atime1 = orig;
long atime2 = orig;
long ctime = orig;
ConditionalObj reconnected = new ConditionalObj();
ConditionalObj closed = new ConditionalObj();
ConditionalObj asyncErr1 = new ConditionalObj();
ConditionalObj asyncErr2 = new ConditionalObj();
ConditionalObj recvCh = new ConditionalObj();
ConditionalObj recvCh1 = new ConditionalObj();
ConditionalObj recvCh2 = new ConditionalObj();
using (NATSServer s = utils.CreateServerWithConfig(TestContext, "auth_1222.conf"))
{
Options o = ConnectionFactory.GetDefaultOptions();
o.DisconnectedEventHandler += (sender, args) =>
{
Thread.Sleep(100);
if (firstDisconnect)
{
System.Console.WriteLine("First disconnect.");
firstDisconnect = false;
dtime1 = DateTime.Now.Ticks;
}
else
{
System.Console.WriteLine("Second disconnect.");
dtime2 = DateTime.Now.Ticks;
}
};
o.ReconnectedEventHandler += (sender, args) =>
{
System.Console.WriteLine("Reconnected.");
Thread.Sleep(50);
rtime = DateTime.Now.Ticks;
reconnected.notify();
};
o.AsyncErrorEventHandler += (sender, args) =>
{
if (args.Subscription.Subject.Equals("foo"))
{
System.Console.WriteLine("Error handler foo.");
Thread.Sleep(200);
atime1 = DateTime.Now.Ticks;
asyncErr1.notify();
}
else
{
System.Console.WriteLine("Error handler bar.");
atime2 = DateTime.Now.Ticks;
asyncErr2.notify();
}
};
o.ClosedEventHandler += (sender, args) =>
{
System.Console.WriteLine("Closed handler.");
ctime = DateTime.Now.Ticks;
closed.notify();
};
o.ReconnectWait = 50;
o.NoRandomize = true;
o.Servers = new string[] { "nats://localhost:4222", "nats:localhost:1222" };
o.SubChannelLength = 1;
using (IConnection nc = new ConnectionFactory().CreateConnection(o),
ncp = new ConnectionFactory().CreateConnection())
{
utils.StopDefaultServer();
Thread.Sleep(1000);
utils.StartDefaultServer();
reconnected.wait(3000);
EventHandler <MsgHandlerEventArgs> eh = (sender, args) =>
{
System.Console.WriteLine("Received message on subject: " + args.Message.Subject);
recvCh.notify();
if (args.Message.Subject.Equals("foo"))
{
recvCh1.notify();
}
else
{
recvCh2.notify();
}
};
IAsyncSubscription sub1 = nc.SubscribeAsync("foo", eh);
IAsyncSubscription sub2 = nc.SubscribeAsync("bar", eh);
nc.Flush();
ncp.Publish("foo", System.Text.Encoding.UTF8.GetBytes("hello"));
ncp.Publish("bar", System.Text.Encoding.UTF8.GetBytes("hello"));
ncp.Flush();
recvCh.wait(3000);
for (int i = 0; i < 3; i++)
{
ncp.Publish("foo", System.Text.Encoding.UTF8.GetBytes("hello"));
ncp.Publish("bar", System.Text.Encoding.UTF8.GetBytes("hello"));
}
ncp.Flush();
asyncErr1.wait(3000);
asyncErr2.wait(3000);
utils.StopDefaultServer();
Thread.Sleep(1000);
closed.reset();
nc.Close();
closed.wait(3000);
}
if (dtime1 == orig || dtime2 == orig || rtime == orig ||
atime1 == orig || atime2 == orig || ctime == orig)
{
System.Console.WriteLine("Error = callback didn't fire: {0}\n{1}\n{2}\n{3}\n{4}\n{5}\n",
dtime1, dtime2, rtime, atime1, atime2, ctime);
throw new Exception("Callback didn't fire.");
}
if (rtime < dtime1 || dtime2 < rtime || atime2 < atime1 || ctime < atime2)
{
System.Console.WriteLine("Wrong callback order:{0}\n{1}\n{2}\n{3}\n{4}\n{5}\n",
dtime1, rtime, atime1, atime2, dtime2, ctime);
throw new Exception("Invalid callback order.");
}
}
}
public void TestAsyncSubscriptionPending()
{
int total = 100;
int receivedCount = 0;
ConditionalObj subDoneCond = new ConditionalObj();
ConditionalObj startProcessing = new ConditionalObj();
byte[] data = System.Text.Encoding.UTF8.GetBytes("0123456789");
using (IConnection c = new ConnectionFactory().CreateConnection())
{
ISubscription s = c.SubscribeAsync("foo", (sender, args) =>
{
startProcessing.wait(60000);
receivedCount++;
if (receivedCount == total)
{
subDoneCond.notify();
}
});
for (int i = 0; i < total; i++)
{
c.Publish("foo", data);
}
c.Flush();
Thread.Sleep(1000);
int expectedPendingCount = total - 1;
Assert.IsTrue(s.QueuedMessageCount == expectedPendingCount);
Assert.IsTrue((s.MaxPendingBytes == (data.Length * total)) ||
(s.MaxPendingBytes == (data.Length * expectedPendingCount)));
Assert.IsTrue((s.MaxPendingMessages == total) ||
(s.MaxPendingMessages == expectedPendingCount));
Assert.IsTrue((s.PendingBytes == (data.Length * total)) ||
(s.PendingBytes == (data.Length * expectedPendingCount)));
long pendingBytes;
long pendingMsgs;
s.GetPending(out pendingBytes, out pendingMsgs);
Assert.IsTrue(pendingBytes == s.PendingBytes);
Assert.IsTrue(pendingMsgs == s.PendingMessages);
long maxPendingBytes;
long maxPendingMsgs;
s.GetMaxPending(out maxPendingBytes, out maxPendingMsgs);
Assert.IsTrue(maxPendingBytes == s.MaxPendingBytes);
Assert.IsTrue(maxPendingMsgs == s.MaxPendingMessages);
Assert.IsTrue((s.PendingMessages == total) ||
(s.PendingMessages == expectedPendingCount));
Assert.IsTrue(s.Delivered == 1);
Assert.IsTrue(s.Dropped == 0);
startProcessing.notify();
subDoneCond.wait(1000);
Assert.IsTrue(s.QueuedMessageCount == 0);
Assert.IsTrue((s.MaxPendingBytes == (data.Length * total)) ||
(s.MaxPendingBytes == (data.Length * expectedPendingCount)));
Assert.IsTrue((s.MaxPendingMessages == total) ||
(s.MaxPendingMessages == expectedPendingCount));
Assert.IsTrue(s.PendingMessages == 0);
Assert.IsTrue(s.PendingBytes == 0);
Assert.IsTrue(s.Delivered == total);
Assert.IsTrue(s.Dropped == 0);
s.Unsubscribe();
try
{
long i = s.MaxPendingBytes;
Assert.Fail("Should have receieved an exception.");
}
catch (Exception) { }
try
{
long i = s.MaxPendingMessages;
Assert.Fail("Should have receieved an exception.");
}
catch (Exception) { }
try
{
long i = s.PendingMessageLimit;
Assert.Fail("Should have receieved an exception.");
}
catch (Exception) { }
try
{
long i = s.PendingByteLimit;
Assert.Fail("Should have receieved an exception.");
}
catch (Exception) { }
try
{
s.SetPendingLimits(1, 10);
Assert.Fail("Should have receieved an exception.");
}
catch (Exception) { }
try
{
s.ClearMaxPending();
Assert.Fail("Should have receieved an exception.");
}
catch (Exception) { }
try
{
long i = s.Delivered;
Assert.Fail("Should have receieved an exception.");
}
catch (Exception) { }
try
{
long i = s.Dropped;
Assert.Fail("Should have receieved an exception.");
}
catch (Exception) { }
}
}
public void TestSlowAsyncSubscriber()
{
ConditionalObj subCond = new ConditionalObj();
Options opts = ConnectionFactory.GetDefaultOptions();
opts.SubChannelLength = 100;
using (IConnection c = new ConnectionFactory().CreateConnection(opts))
{
using (IAsyncSubscription s = c.SubscribeAsync("foo"))
{
Object mu = new Object();
s.MessageHandler += (sender, args) =>
{
// block to back us up.
subCond.wait(2000);
};
s.Start();
Assert.IsTrue(s.PendingByteLimit == Defaults.SubPendingBytesLimit);
Assert.IsTrue(s.PendingMessageLimit == Defaults.SubPendingMsgsLimit);
long pml = 100;
long pbl = 1024 * 1024;
s.SetPendingLimits(pml, pbl);
Assert.IsTrue(s.PendingByteLimit == pbl);
Assert.IsTrue(s.PendingMessageLimit == pml);
for (int i = 0; i < (pml + 100); i++)
{
c.Publish("foo", null);
}
int flushTimeout = 5000;
Stopwatch sw = new Stopwatch();
sw.Start();
try
{
c.Flush(flushTimeout);
}
catch (Exception ex)
{
Assert.Fail("Flush failed." + ex);
}
sw.Stop();
subCond.notify();
if (sw.ElapsedMilliseconds >= flushTimeout)
{
Assert.Fail("elapsed ({0}) > timeout ({1})",
sw.ElapsedMilliseconds, flushTimeout);
}
}
}
}