public IgniteViewModel()
{
Task.Run(() =>
{
var cfg = new IgniteClientConfiguration
{
Host = "127.0.0.1"
};
try
{
Console.WriteLine("Connecting...");
_client = Ignition.StartClient(cfg);
var cacheNames = _client.GetCacheNames();
Status = $"Connected to Ignite cluster. Found {cacheNames.Count} caches.";
Caches = cacheNames.Select(x => new CacheViewModel(_client, x)).ToArray();
Console.WriteLine("CONNECTED.");
}
catch (Exception e)
{
Status = "Failed to connect: " + e;
Console.WriteLine(e);
throw;
}
});
}
public void TestReconnectToOldNodeDisablesPartitionAwareness()
{
IIgniteClient client = null;
var clientConfiguration = new IgniteClientConfiguration(JavaServer.GetClientConfiguration())
{
EnablePartitionAwareness = true,
Logger = new ListLogger(new ConsoleLogger {
MinLevel = LogLevel.Trace
})
};
try
{
using (StartNewServer())
{
client = Ignition.StartClient(clientConfiguration);
var cache = client.GetOrCreateCache <int, int>(TestContext.CurrentContext.Test.Name);
cache.Put(1, 42);
Assert.AreEqual(42, cache.Get(1));
Assert.IsTrue(client.GetConfiguration().EnablePartitionAwareness);
}
Assert.Catch(() => client.GetCacheNames());
using (StartOldServer())
{
var cache = client.GetOrCreateCache <int, int>(TestContext.CurrentContext.Test.Name);
cache.Put(1, 42);
Assert.AreEqual(42, cache.Get(1));
Assert.IsFalse(client.GetConfiguration().EnablePartitionAwareness);
var log = ((ListLogger)client.GetConfiguration().Logger).Entries
.FirstOrDefault(e => e.Message.StartsWith("Partition"));
Assert.IsNotNull(log);
Assert.AreEqual("Partition awareness has been disabled: " +
"server protocol version 1.0.0 is lower than required 1.4.0", log.Message);
}
}
finally
{
if (client != null)
{
client.Dispose();
}
}
}
/// <summary>
/// Asserts client connection count.
/// </summary>
protected static void AssertClientConnectionCount(IIgniteClient client, int count)
{
var res = TestUtils.WaitForCondition(() =>
{
// Perform any operation to cause topology update.
try
{
client.GetCacheNames();
}
catch (Exception)
{
// Ignore.
}
return(count == client.GetConnections().Count());
}, 9000);
if (!res)
{
Assert.Fail("Client connection count mismatch: expected {0}, but was {1}",
count, client.GetConnections().Count());
}
var cluster = Ignition.GetAll().First().GetCluster();
foreach (var connection in client.GetConnections())
{
var server = cluster.GetNode(connection.NodeId);
Assert.IsNotNull(server);
var remoteEndPoint = (IPEndPoint)connection.RemoteEndPoint;
Assert.AreEqual(server.GetAttribute <int>("clientListenerPort"), remoteEndPoint.Port);
var ipAddresses = server.Addresses
.Select(a => a.Split('%').First()) // Trim IPv6 scope.
.Select(IPAddress.Parse)
.ToArray();
CollectionAssert.Contains(ipAddresses, remoteEndPoint.Address);
var localEndPoint = (IPEndPoint)connection.LocalEndPoint;
CollectionAssert.Contains(new[] { IPAddress.Loopback, IPAddress.IPv6Loopback }, localEndPoint.Address);
}
}
