private static void PerformClientReconnect(IIgnite client)
{
var disconnectedEvt = new ManualResetEventSlim(false);
client.ClientDisconnected += (sender, args) => { disconnectedEvt.Set(); };
var reconnectedEvt = new ManualResetEventSlim(false);
ClientReconnectEventArgs reconnectEventArgs = null;
client.ClientReconnected += (sender, args) =>
{
reconnectEventArgs = args;
reconnectedEvt.Set();
};
var gridName = string.Format("%{0}%", client.Name);
TestUtilsJni.SuspendThreads(gridName);
Thread.Sleep(9000);
TestUtilsJni.ResumeThreads(gridName);
Assert.Catch(() => client.CreateCache <int, int>("_fail").Put(1, 1));
var disconnected = disconnectedEvt.Wait(TimeSpan.FromSeconds(3));
Assert.IsTrue(disconnected);
Assert.Catch(() => client.CreateCache <int, int>("_fail").Put(1, 1));
var reconnected = reconnectedEvt.Wait(TimeSpan.FromSeconds(15));
Assert.IsTrue(reconnected);
Assert.IsFalse(reconnectEventArgs.HasClusterRestarted);
}
public void TestClusterRestart()
{
var serverCfg = new IgniteConfiguration(TestUtils.GetTestConfiguration())
{
CacheConfiguration = new[] { new CacheConfiguration(CacheName) }
};
var clientCfg = new IgniteConfiguration(TestUtils.GetTestConfiguration())
{
GridName = "client",
ClientMode = true
};
var server = Ignition.Start(serverCfg);
var client = Ignition.Start(clientCfg);
ClientReconnectEventArgs eventArgs = null;
client.ClientReconnected += (sender, args) => { eventArgs = args; };
var cache = client.GetCache <int, int>(CacheName);
cache[1] = 1;
Ignition.Stop(server.Name, true);
var cacheEx = Assert.Throws <CacheException>(() => cache.Get(1));
var ex = cacheEx.InnerException as ClientDisconnectedException;
Assert.IsNotNull(ex);
// Start the server and wait for reconnect.
Ignition.Start(serverCfg);
Assert.IsTrue(ex.ClientReconnectTask.Result);
// Check the event args.
Thread.Sleep(100); // Wait for event handler
Assert.IsNotNull(eventArgs);
Assert.IsTrue(eventArgs.HasClusterRestarted);
// Refresh the cache instance and check that it works.
var cache1 = client.GetCache <int, int>(CacheName);
Assert.AreEqual(0, cache1.GetSize());
cache1[1] = 2;
Assert.AreEqual(2, cache1[1]);
// Check that old cache instance does not work.
var cacheEx1 = Assert.Throws <InvalidOperationException>(() => cache.Get(1));
Assert.AreEqual("Cache has been closed or destroyed: " + CacheName, cacheEx1.Message);
}
public void TestClusterRestart()
{
var serverCfg = new IgniteConfiguration(TestUtils.GetTestConfiguration())
{
CacheConfiguration = new[] { new CacheConfiguration(CacheName) }
};
var clientCfg = new IgniteConfiguration(TestUtils.GetTestConfiguration())
{
IgniteInstanceName = "client",
ClientMode = true
};
var server = Ignition.Start(serverCfg);
Assert.AreEqual(1, server.GetCluster().GetNodes().Count);
var client = Ignition.Start(clientCfg);
Assert.AreEqual(2, client.GetCluster().GetNodes().Count);
ClientReconnectEventArgs eventArgs = null;
client.ClientReconnected += (sender, args) => { eventArgs = args; };
var cache = client.GetCache <int, Person>(CacheName);
cache[1] = new Person(1);
Ignition.Stop(server.Name, true);
var cacheEx = Assert.Throws <CacheException>(() => cache.Get(1));
var ex = cacheEx.InnerException as ClientDisconnectedException;
Assert.IsNotNull(ex);
// Wait a bit for cluster restart detection.
Thread.Sleep(1000);
// Start the server and wait for reconnect.
Ignition.Start(serverCfg);
// Check reconnect task.
Assert.IsTrue(ex.ClientReconnectTask.Result);
// Wait a bit for notifications.
Thread.Sleep(100);
// Check the event args.
Assert.IsNotNull(eventArgs);
Assert.IsTrue(eventArgs.HasClusterRestarted);
// Refresh the cache instance and check that it works.
var cache1 = client.GetCache <int, Person>(CacheName);
Assert.AreEqual(0, cache1.GetSize());
cache1[1] = new Person(2);
Assert.AreEqual(2, cache1[1].Id);
// Check that old cache instance still works.
Assert.AreEqual(2, cache.Get(1).Id);
}
