public void CanPutItem()
{
using (var storageProxy = new DistributedHashTableStorageClient(storageHost.Endpoint))
{
var masterProxy = new DistributedHashTableMasterClient(masterUri);
var topology = masterProxy.GetTopology();
var results = storageProxy.Put(topology.Version, new ExtendedPutRequest
{
Bytes = new byte[] {1, 2, 3, 4},
Key = "test",
Segment = 1,
});
Assert.False(results[0].ConflictExists);
var values = storageProxy.Get(topology.Version, new ExtendedGetRequest
{
Key = "test",
Segment = 1
});
Assert.Equal(1, values[0].Length);
Assert.Equal(new byte[] {1, 2, 3, 4}, values[0][0].Data);
}
}
public void AfterBothNodesJoinedWillAutomaticallyReplicateToBackupNode()
{
storageHostB.Start();
var masterProxy = new DistributedHashTableMasterClient(masterUri);
Topology topology;
for (int i = 0; i < 50; i++)
{
topology = masterProxy.GetTopology();
int count = topology.Segments
.Where(x => x.AssignedEndpoint == storageHostA.Endpoint)
.Count();
if (count == 4096)
break;
Thread.Sleep(500);
}
topology = masterProxy.GetTopology();
int segment = topology.Segments.First(x => x.AssignedEndpoint == storageHostA.Endpoint).Index;
RepeatWhileThereAreTopologyChangedErrors(() =>
{
using (var nodeA = new DistributedHashTableStorageClient(storageHostA.Endpoint))
{
nodeA.Put(topology.Version, new ExtendedPutRequest
{
Bytes = new byte[] {2, 2, 0, 0},
Key = "abc",
Segment = segment
});
}
});
RepeatWhileThereAreTopologyChangedErrors(() =>
{
using (var nodeB = new DistributedHashTableStorageClient(storageHostB.Endpoint))
{
topology = masterProxy.GetTopology();
Value[][] values = null;
for (int i = 0; i < 100; i++)
{
values = nodeB.Get(topology.Version, new ExtendedGetRequest
{
Key = "abc",
Segment = segment
});
if (values[0].Length != 0)
break;
Thread.Sleep(250);
}
Assert.Equal(new byte[] {2, 2, 0, 0}, values[0][0].Data);
}
});
}
public void WillReplicateValuesToSecondJoin()
{
var masterProxy = new DistributedHashTableMasterClient(masterUri);
using (var nodeA = new DistributedHashTableStorageClient(storageHostA.Endpoint))
{
Topology topology = masterProxy.GetTopology();
nodeA.Put(topology.Version, new ExtendedPutRequest
{
Bytes = new byte[] {2, 2, 0, 0},
Key = "abc",
Segment = 1
});
}
storageHostB.Start(); //will replicate all odd segments here now
for (int i = 0; i < 500; i++)
{
Topology topology = masterProxy.GetTopology();
if (topology.Segments[1].AssignedEndpoint ==
storageHostB.Endpoint)
break;
Thread.Sleep(500);
}
Value[][] values = null;
RepeatWhileThereAreTopologyChangedErrors(() =>
{
using (var nodeB = new DistributedHashTableStorageClient(storageHostB.Endpoint))
{
Topology topology = masterProxy.GetTopology();
values = nodeB.Get(topology.Version, new ExtendedGetRequest
{
Key = "abc",
Segment = 1
});
}
});
Assert.Equal(new byte[] {2, 2, 0, 0}, values[0][0].Data);
}