public void TestEquality()
{
// Default.
var ver = new AffinityTopologyVersion();
Assert.AreEqual(0, ver.Version);
Assert.AreEqual(0, ver.MinorVersion);
Assert.AreEqual(0, ver.GetHashCode());
Assert.AreEqual(new AffinityTopologyVersion(), ver);
// Custom.
var ver1 = new AffinityTopologyVersion(long.MaxValue, int.MaxValue);
var ver2 = new AffinityTopologyVersion(long.MaxValue, int.MaxValue);
Assert.AreEqual(ver1, ver2);
Assert.IsTrue(ver1 == ver2);
Assert.IsFalse(ver1 != ver2);
Assert.AreNotEqual(ver, ver1);
Assert.IsTrue(ver != ver1);
Assert.IsFalse(ver == ver1);
// ToString.
Assert.AreEqual("AffinityTopologyVersion [Version=1, MinorVersion=2]",
new AffinityTopologyVersion(1, 2).ToString());
}
/** <inheritdoc /> */
public void UpdateFromThreadLocal(int partition, AffinityTopologyVersion affinityTopologyVersion)
{
if (_stopped)
{
return;
}
var pair = (KeyValuePair <TK, TV>)PlatformCacheManager.ThreadLocalPair.Value;
_map[pair.Key] = new PlatformCacheEntry <TV>(
pair.Value,
GetBoxedAffinityTopologyVersion(affinityTopologyVersion),
partition);
}
public void InitClient()
{
var configs = GetConfigs();
_grid1 = Ignition.Start(Configuration(configs.Item1));
_grid2 = Ignition.Start(Configuration(configs.Item2));
AffinityTopologyVersion waitingTop = new AffinityTopologyVersion(2, 1);
Assert.True(_grid1.WaitTopology(waitingTop), "Failed to wait topology " + waitingTop);
_grid3 = Ignition.Start(Configuration(configs.Item3));
// Start thin client.
_igniteClient = Ignition.StartClient(GetThinClientConfiguration());
}
/// <summary>
/// Initializes a new instance of the <see cref="AffinityFunctionContext"/> class.
/// </summary>
/// <param name="reader">The reader.</param>
internal AffinityFunctionContext(IBinaryRawReader reader)
{
var cnt = reader.ReadInt();
if (cnt > 0)
{
_previousAssignment = new List<List<IClusterNode>>(cnt);
for (var i = 0; i < cnt; i++)
_previousAssignment.Add(IgniteUtils.ReadNodes(reader));
}
_backups = reader.ReadInt();
_currentTopologySnapshot = IgniteUtils.ReadNodes(reader);
_currentTopologyVersion = new AffinityTopologyVersion(reader.ReadLong(), reader.ReadInt());
_discoveryEvent = EventReader.Read<DiscoveryEvent>(reader);
}
/// <summary>
/// Decodes the response that we got from <see cref="HandleResponse"/>.
/// </summary>
private T DecodeResponse <T>(BinaryHeapStream stream, Func <ClientResponseContext, T> readFunc,
Func <ClientStatusCode, string, T> errorFunc)
{
ClientStatusCode statusCode;
if (ServerVersion >= Ver140)
{
var flags = (ClientFlags)stream.ReadShort();
if ((flags & ClientFlags.AffinityTopologyChanged) == ClientFlags.AffinityTopologyChanged)
{
var topVer = new AffinityTopologyVersion(stream.ReadLong(), stream.ReadInt());
if (_topVerCallback != null)
{
_topVerCallback(topVer);
}
}
statusCode = (flags & ClientFlags.Error) == ClientFlags.Error
? (ClientStatusCode)stream.ReadInt()
: ClientStatusCode.Success;
}
else
{
statusCode = (ClientStatusCode)stream.ReadInt();
}
if (statusCode == ClientStatusCode.Success)
{
return(readFunc != null
? readFunc(new ClientResponseContext(stream, this))
: default(T));
}
var msg = BinaryUtils.Marshaller.StartUnmarshal(stream).ReadString();
if (errorFunc != null)
{
return(errorFunc(statusCode, msg));
}
throw new IgniteClientException(msg, null, statusCode);
}
private object ReadDistributionMapResponse(IBinaryStream s)
{
var affinityTopologyVersion = new AffinityTopologyVersion(s.ReadLong(), s.ReadInt());
var size = s.ReadInt();
var mapping = new Dictionary <int, ClientCachePartitionMap>();
for (int i = 0; i < size; i++)
{
var grp = new ClientCachePartitionAwarenessGroup(s);
// Count partitions to avoid reallocating array.
int maxPartNum = 0;
foreach (var partMap in grp.PartitionMap)
{
foreach (var part in partMap.Value)
{
if (part > maxPartNum)
{
maxPartNum = part;
}
}
}
// Populate partition array.
var partNodeIds = new Guid[maxPartNum + 1];
foreach (var partMap in grp.PartitionMap)
{
foreach (var part in partMap.Value)
{
partNodeIds[part] = partMap.Key;
}
}
foreach (var cache in grp.Caches)
{
mapping[cache.Key] = new ClientCachePartitionMap(cache.Key, partNodeIds, cache.Value);
}
}
_distributionMap = new ClientCacheTopologyPartitionMap(mapping, affinityTopologyVersion);
return(null);
}
public void TestRebalanceEvents()
{
ICollection <int> cacheRebalanceStopStartEvts = new[]
{
EventType.CacheRebalanceStarted,
EventType.CacheRebalanceStopped
};
var listener = new Listener <CacheRebalancingEvent>();
using (IIgnite ignite0 = Ignition.Start(GetConfig(listener, cacheRebalanceStopStartEvts, "TestRebalanceEvents")))
{
var cache = ignite0.GetOrCreateCache <int, int>(CacheName);
for (int i = 0; i < 2000; i++)
{
cache[i] = i;
}
using (IIgnite ignite1 = Ignition.Start(GetConfig(listener, cacheRebalanceStopStartEvts)))
{
AffinityTopologyVersion afterRebalanceTop = new AffinityTopologyVersion(2, 1);
Assert.True(ignite1.WaitTopology(afterRebalanceTop, CacheName), "Failed to wait topology " + afterRebalanceTop);
var events = listener.GetEvents();
Assert.AreEqual(2, events.Count);
var rebalanceStart = events.First();
Assert.AreEqual(CacheName, rebalanceStart.CacheName);
Assert.AreEqual(EventType.CacheRebalanceStarted, rebalanceStart.Type);
var rebalanceStop = events.Last();
Assert.AreEqual(CacheName, rebalanceStop.CacheName);
Assert.AreEqual(EventType.CacheRebalanceStopped, rebalanceStop.Type);
}
}
}
public void CacheGet_NewNodeEnteredTopology_RequestIsRoutedToDefaultNode()
{
// Warm-up.
Assert.AreEqual(1, _cache.Get(1));
// Before topology change.
Assert.AreEqual(12, _cache.Get(12));
Assert.AreEqual(1, GetClientRequestGridIndex());
Assert.AreEqual(14, _cache.Get(14));
Assert.AreEqual(2, GetClientRequestGridIndex());
// After topology change.
var cfg = GetIgniteConfiguration();
cfg.AutoGenerateIgniteInstanceName = true;
using (var ignite = Ignition.Start(cfg))
{
var affinityChangedTop = new AffinityTopologyVersion(ignite.GetCluster().TopologyVersion, 1);
Assert.True(ignite.WaitTopology(affinityChangedTop, _cache.Name),
"Failed to wait topology " + affinityChangedTop);
// Warm-up.
Assert.AreEqual(1, _cache.Get(1));
// Get default node index by performing non-partition-aware operation.
_cache.GetAll(Enumerable.Range(1, 10));
var defaultNodeIdx = GetClientRequestGridIndex("GetAll");
Assert.Greater(defaultNodeIdx, -1);
// Assert: keys 12 and 14 belong to a new node now, but we don't have the new node in the server list.
// Requests are routed to default node.
Assert.AreEqual(12, _cache.Get(12));
Assert.AreEqual(defaultNodeIdx, GetClientRequestGridIndex());
Assert.AreEqual(14, _cache.Get(14));
Assert.AreEqual(defaultNodeIdx, GetClientRequestGridIndex());
}
}
public void FixtureSetUp()
{
var cfg = new IgniteConfiguration(TestUtils.GetTestConfiguration())
{
CacheConfiguration = new[]
{
new CacheConfiguration(CacheName)
{
AffinityFunction = new SimpleAffinityFunction(),
Backups = 7
},
new CacheConfiguration(CacheNameRendezvous)
{
AffinityFunction = new RendezvousAffinityFunctionEx {
Bar = "test"
}
}
},
UserAttributes = new Dictionary <string, object> {
{ BackupFilterAttrName, 1 }
}
};
_ignite = Ignition.Start(cfg);
var cfg2 = new IgniteConfiguration(TestUtils.GetTestConfiguration())
{
IgniteInstanceName = "grid2",
UserAttributes = new Dictionary <string, object> {
{ BackupFilterAttrName, 2 }
}
};
_ignite2 = Ignition.Start(cfg2);
AffinityTopologyVersion waitingTop = new AffinityTopologyVersion(2, 1);
Assert.True(_ignite.WaitTopology(waitingTop), "Failed to wait topology " + waitingTop);
Assert.True(_ignite2.WaitTopology(waitingTop), "Failed to wait topology " + waitingTop);
}
/// <summary>
/// Called when topology version changes.
/// </summary>
public void OnAffinityTopologyVersionChanged(AffinityTopologyVersion affinityTopologyVersion)
{
_affinityTopologyVersion = affinityTopologyVersion;
}
/// <summary>
/// Gets boxed affinity version. Reuses existing boxing copy to reduce allocations.
/// </summary>
private object GetBoxedAffinityTopologyVersion(AffinityTopologyVersion ver)
{
var currentVerBoxed = _affinityTopologyVersionFunc();
return((AffinityTopologyVersion)currentVerBoxed == ver ? currentVerBoxed : ver);
}
/// <summary>
/// Updates current Affinity Topology Version.
/// </summary>
private void OnAffinityTopologyVersionChange(AffinityTopologyVersion affinityTopologyVersion)
{
_affinityTopologyVersion = affinityTopologyVersion;
}