public Task RefreshReplicationInformation(AsyncServerClient commands)
{
var serverHash = GetServerHash(commands);
return(commands.DirectGetAsync(commands.Url, RavenReplicationDestinations).ContinueWith((Task <JsonDocument> getTask) =>
{
JsonDocument document;
if (getTask.Status == TaskStatus.RanToCompletion)
{
document = getTask.Result;
failureCounts[commands.Url] = new FailureCounter(); // we just hit the master, so we can reset its failure count
}
else
{
log.ErrorException("Could not contact master for new replication information", getTask.Exception);
document = TryLoadReplicationInformationFromLocalCache(serverHash);
}
if (IsInvalidDestinationsDocument(document))
{
lastReplicationUpdate = SystemTime.UtcNow; // checked and not found
return;
}
TrySavingReplicationInformationToLocalCache(serverHash, document);
UpdateReplicationInformationFromDocument(document);
lastReplicationUpdate = SystemTime.UtcNow;
}));
}
/// <summary>
/// Refreshes the replication information.
/// Expert use only.
/// </summary>
#if SILVERLIGHT || NETFX_CORE
public Task RefreshReplicationInformation(AsyncServerClient commands)
{
lock (this)
{
var serverHash = ServerHash.GetServerHash(commands.Url);
return(commands.DirectGetAsync(new OperationMetadata(commands.Url), RavenReplicationDestinations).ContinueWith((Task <JsonDocument> getTask) =>
{
JsonDocument document;
var fromFailoverUrls = false;
if (getTask.Status == TaskStatus.RanToCompletion)
{
document = getTask.Result;
failureCounts[commands.Url] = new FailureCounter(); // we just hit the master, so we can reset its failure count
}
else
{
log.ErrorException("Could not contact master for new replication information", getTask.Exception);
document = ReplicationInformerLocalCache.TryLoadReplicationInformationFromLocalCache(serverHash);
if (document == null)
{
if (FailoverServers != null && FailoverServers.Length > 0) // try to use configured failover servers
{
var failoverServers = new ReplicationDocument {
Destinations = new List <ReplicationDestination>()
};
foreach (var failover in FailoverServers)
{
failoverServers.Destinations.Add(failover);
}
document = new JsonDocument();
document.DataAsJson = RavenJObject.FromObject(failoverServers);
fromFailoverUrls = true;
}
}
}
if (IsInvalidDestinationsDocument(document))
{
lastReplicationUpdate = SystemTime.UtcNow; // checked and not found
return;
}
if (!fromFailoverUrls)
{
ReplicationInformerLocalCache.TrySavingReplicationInformationToLocalCache(serverHash, document);
}
UpdateReplicationInformationFromDocument(document);
lastReplicationUpdate = SystemTime.UtcNow;
}));
}
}
public Task UpdateReplicationInformationIfNeeded(AsyncServerClient serverClient)
{
return(UpdateReplicationInformationIfNeededInternal(serverClient.Url, key => serverClient.DirectGetAsync(new OperationMetadata(serverClient.Url, serverClient.PrimaryCredentials), key).ResultUnwrap()));
}
public void RefreshReplicationInformation(AsyncServerClient serverClient)
{
RefreshReplicationInformationInternal(serverClient.Url, key => serverClient.DirectGetAsync(new OperationMetadata(serverClient.Url, serverClient.PrimaryCredentials), key).ResultUnwrap());
}