// Updates a node's registration with the resolver service.
public override void Update(object registrationId, PeerNodeAddress updatedNodeAddress, TimeSpan timeout)
{
if (opened)
{
UpdateInfo info = new UpdateInfo(this.registrationId, clientId, meshId, updatedNodeAddress);
this.nodeAddress = updatedNodeAddress;
SendUpdate(info, timeout);
}
}
void SendUpdate(UpdateInfo updateInfo, TimeSpan timeout)
{
try
{
RegisterResponseInfo response;
IPeerResolverClient proxy = GetProxy();
try
{
proxy.OperationTimeout = timeout;
response = proxy.Update(updateInfo);
proxy.Close();
this.registrationId = response.RegistrationId;
this.defaultLifeTime = response.RegistrationLifetime;
Interlocked.Exchange(ref this.updateSuccessful, 1);
timer.Set(this.defaultLifeTime);
}
finally
{
proxy.Abort();
}
}
catch (CommunicationException e)
{
DiagnosticUtility.TraceHandledException(e, TraceEventType.Information);
Interlocked.Exchange(ref this.updateSuccessful, 0);
}
catch (Exception e)
{
if (Fx.IsFatal(e)) throw;
Interlocked.Exchange(ref this.updateSuccessful, 0);
throw;
}
}
public virtual new RegisterResponseInfo Update(UpdateInfo updateInfo)
{
return default(RegisterResponseInfo);
}
public virtual new RegisterResponseInfo Update(UpdateInfo updateInfo)
{
return(default(RegisterResponseInfo));
}
public virtual RegisterResponseInfo Update(UpdateInfo updateInfo)
{
if (updateInfo == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("updateInfo", SR.GetString(SR.PeerNullRegistrationInfo));
}
ThrowIfClosed("Update");
if (!updateInfo.HasBody() || String.IsNullOrEmpty(updateInfo.MeshId) || updateInfo.NodeAddress == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("updateInfo", SR.GetString(SR.PeerInvalidMessageBody, updateInfo));
}
Guid registrationId = updateInfo.RegistrationId;
RegistrationEntry entry;
MeshEntry meshEntry = GetMeshEntry(updateInfo.MeshId);
LiteLock ll = null;
//handle cases when Update ----s with Register.
if (updateInfo.RegistrationId == Guid.Empty || meshEntry == null)
return Register(updateInfo.ClientId, updateInfo.MeshId, updateInfo.NodeAddress);
//
// preserve locking order between ThisLock and the LiteLock.
lock (ThisLock)
{
try
{
LiteLock.Acquire(out ll, meshEntry.Gate);
if (!meshEntry.EntryTable.TryGetValue(updateInfo.RegistrationId, out entry))
{
try
{
// upgrade to writer lock
ll.UpgradeToWriterLock();
return Register(updateInfo.ClientId, updateInfo.MeshId, updateInfo.NodeAddress);
}
finally
{
ll.DowngradeFromWriterLock();
}
}
lock (entry)
{
entry.Address = updateInfo.NodeAddress;
entry.Expires = DateTime.UtcNow + this.RefreshInterval;
}
}
finally
{
LiteLock.Release(ll);
}
}
return new RegisterResponseInfo(registrationId, RefreshInterval);
}
public virtual RegisterResponseInfo Update(UpdateInfo updateInfo)
{
if (updateInfo == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("updateInfo", System.ServiceModel.SR.GetString("PeerNullRegistrationInfo"));
}
this.ThrowIfClosed("Update");
if ((!updateInfo.HasBody() || string.IsNullOrEmpty(updateInfo.MeshId)) || (updateInfo.NodeAddress == null))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("updateInfo", System.ServiceModel.SR.GetString("PeerInvalidMessageBody", new object[] { updateInfo }));
}
Guid registrationId = updateInfo.RegistrationId;
MeshEntry meshEntry = this.GetMeshEntry(updateInfo.MeshId);
LiteLock liteLock = null;
if ((updateInfo.RegistrationId == Guid.Empty) || (meshEntry == null))
{
return this.Register(updateInfo.ClientId, updateInfo.MeshId, updateInfo.NodeAddress);
}
try
{
RegistrationEntry entry;
LiteLock.Acquire(out liteLock, meshEntry.Gate);
if (!meshEntry.EntryTable.TryGetValue(updateInfo.RegistrationId, out entry))
{
return this.Register(updateInfo.ClientId, updateInfo.MeshId, updateInfo.NodeAddress);
}
lock (entry)
{
entry.Address = updateInfo.NodeAddress;
entry.Expires = DateTime.UtcNow + this.RefreshInterval;
}
}
finally
{
LiteLock.Release(liteLock);
}
return new RegisterResponseInfo(registrationId, this.RefreshInterval);
}
public virtual RegisterResponseInfo Update (UpdateInfo updateInfo)
{
if (updateInfo == null)
throw new ArgumentException ("Update info cannot be null.");
if (! opened)
throw new InvalidOperationException ("The service has never been opened or it was closed previously.");
return client.Update (updateInfo);
}
