public DistributedHashTableStorage(
string database,
IDistributedHashTableNode distributedHashTableNode)
{
try
{
hashTable = new PersistentHashTable.PersistentHashTable(database);
hashTable.Initialize();
}
catch (Exception)
{
try
{
hashTable.Dispose();
}
catch
{
// not much to do if we fail here
}
throw;
}
this.distributedHashTableNode = distributedHashTableNode;
distributedHashTableNode.Storage = this;
Replication = new DistributedHashTableNodeReplication(hashTable);
}
public DistributedHashTableStorage(
string database,
IDistributedHashTableNode distributedHashTableNode)
{
try
{
hashTable = new PersistentHashTable.PersistentHashTable(database);
hashTable.Initialize();
}
catch (Exception)
{
try
{
hashTable.Dispose();
}
catch
{
// not much to do if we fail here
}
throw;
}
this.distributedHashTableNode = distributedHashTableNode;
distributedHashTableNode.Storage = this;
Replication = new DistributedHashTableNodeReplication(hashTable);
}
public void Start()
{
hashTable.Initialize();
hashTable.Batch(actions =>
{
var value = actions.Get(new GetRequest {
Key = Constants.Topology
}).LastOrDefault();
if (value != null)
{
var topology = MessageStreamIterator <TopologyResultMessage>
.FromStreamProvider(() => new MemoryStream(value.Data))
.First();
master.Topology = topology.GetTopology();
master.RefreshEndpoints();
}
actions.Commit();
});
listener.Start();
listener.BeginAcceptTcpClient(OnAcceptTcpClient, null);
OnTopologyChanged();
}
public void Initialize()
{
logger.DebugFormat("Initializing msmq subscription storage on: {0}", subscriptionPath);
pht.Initialize();
pht.Batch(actions =>
{
var items = actions.GetItems(new GetItemsRequest
{
Key = SubscriptionsKey
});
foreach (var item in items)
{
object[] msgs;
try
{
msgs = messageSerializer.Deserialize(new MemoryStream(item.Value));
}
catch (Exception e)
{
throw new SubscriptionException("Could not deserialize message from subscription queue", e);
}
try
{
currentlyLoadingPersistentData = true;
foreach (var msg in msgs)
{
HandleAdministrativeMessage(new CurrentMessageInformation
{
AllMessages = msgs,
Message = msg,
});
}
}
catch (Exception e)
{
throw new SubscriptionException("Failed to process subscription records", e);
}
finally
{
currentlyLoadingPersistentData = false;
}
}
actions.Commit();
});
}
