/// <summary>
/// Closes this WCF Service instance.
/// </summary>
/// <param name="isFaulted">if set to <c>true</c> [is faulted].</param>
protected virtual void CleanUp(bool isFaulted)
{
// Similar to IDisposable we will only execute unsubscribe once, whatever comes first
lock (this)
{
if (Closed)
{
return;
}
// Clean up internal connections
Closed = true;
ServiceManager.Unregister(this);
// Close wcf channel
_channel.Closed -= OnChannelClosed;
_channel.Faulted -= OnChannelFaulted;
try
{
// abort in every case so the client gets a message in every case that the connection is not available anymore
_channel.Abort();
}
finally
{
_channel = null;
}
}
}
/// <summary>
/// A channel has transitioned to the faulted state
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
static void channel_Faulted(object sender, EventArgs e)
{
try
{
IContextChannel channel = sender as IContextChannel;
if (channel != null)
{
string typeName = channel.GetType().FullName;
if (Channels.ContainsKey(typeName))
{
Channels.Remove(typeName);
}
System.Diagnostics.Debug.WriteLine(string.Format("{0} is in the faulted state.", typeName), string.Format("{0}.{1}.{2}", MethodBase.GetCurrentMethod().DeclaringType.Namespace, MethodBase.GetCurrentMethod().DeclaringType.Name, MethodBase.GetCurrentMethod().Name));
try
{
channel.Abort();
}
catch
{
// No op...
}
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message, string.Format("{0}.{1}.{2}", MethodBase.GetCurrentMethod().DeclaringType.Namespace, MethodBase.GetCurrentMethod().DeclaringType.Name, MethodBase.GetCurrentMethod().Name));
}
}
private void AbortChannel(object state)
{
if (_channel != null && _processes < 1)
{
Log.DebugFormat("Channel for session {0} with client session {1} will be aborted by timeout {2}.", _sessionId, _clientSessionId, _channelTimeout);
//TEST: Тестируем RCL
if (_clienttype == ClientTypeCode.RCL)
{
if (_clientSessionId.HasValue)
{
try
{
var sessionRegistrator = IoC.Instance.Resolve <ISessionRegistrator>();
sessionRegistrator.EndSession(_clientSessionId.Value, false); //Некорректное закрытие сессии
}
catch (Exception ex)
{
Log.Error(string.Format("Error on close ClientSession ('{0}')", _clientSessionId), ex);
}
_clientSessionId = null;
_isClientSessionIdNull = true;
}
else
{
if (!_isClientSessionIdNull)
{
Log.Error(new DeveloperException("_clientSessionId is undefined."));
}
}
}
_channel.Abort();
}
}
/// <summary>
/// Valida se canal de callback eh valido
/// </summary>
/// <param name="callback">instancia do callback, retornada em GetCallback[T}()</param>
/// <returns>true, se o ChannelState = Opened </returns>
public static bool IsValidChannel(object callback)
{
bool bRet = false;
if (callback != null)
{
lock (_clientChannels)
{
if (_clientChannels.ContainsKey(callback))
{
IContextChannel channel = (IContextChannel)_clientChannels[callback];
if (channel.State == CommunicationState.Opened)
{
bRet = true;
}
else
{
channel.Abort();
_clientChannels.Remove(callback);
return(false);
}
}
}
}
return(bRet);
}
/// <summary>
/// Close the specified service channel.
/// </summary>
/// <param name="channel">The channel to close.</param>
/// <param name="abort">Whether the close should be an abort.</param>
private static void CloseChannel(IContextChannel channel, bool abort)
{
if (channel != null)
{
if (abort)
{
channel.Abort();
}
else
{
channel.Close();
}
}
}
public void CloseChannel()
{
if (_channelCache != null)
{
if (_channelCache.State == CommunicationState.Opened)
{
_channelCache.Close();
}
else if (_channelCache.State == CommunicationState.Faulted)
{
_channelCache.Abort();
}
_channelCache.Closed -= Channel_Closed;
_channelCache.Opened -= Channel_Opened;
_channelCache.Faulted -= Channel_Faulted;
}
}
/// <summary>
/// Closes the channel
/// </summary>
private void Close()
{
try
{
System.Diagnostics.Trace.WriteLine("Closing channel '" + typeof(T).Name + "'");
// Access m_Channel directly because accessing Channel can cause stack overflow
if (m_Channel != null)
{
// Kill existing channel
m_Channel.Faulted -= new EventHandler(Channel_Faulted);
try
{
m_Channel.Close(TimeSpan.FromMilliseconds(100));
}
catch (Exception ex)
{
System.Reflection.MethodBase mb = System.Reflection.MethodBase.GetCurrentMethod();
System.Diagnostics.Trace.WriteLine(ex.Message, string.Format("{0}.{1}.{2}", mb.DeclaringType.Namespace, mb.DeclaringType.Name, mb.Name));
try
{
m_Channel.Abort();
}
catch
{
// No-op
}
}
}
Channel = null;
}
catch (Exception ex)
{
System.Reflection.MethodBase mb = System.Reflection.MethodBase.GetCurrentMethod();
System.Diagnostics.Trace.WriteLine(ex.Message, string.Format("{0}.{1}.{2}", mb.DeclaringType.Namespace, mb.DeclaringType.Name, mb.Name));
}
}
public override void Dispatch(MessageDelivery messageDelivery)
{
if (!Started)
{
throw new InvalidOperationException("Dispatcher is not started yet");
}
ChannelFactory factory = CreateFactory();
factory.Endpoint.Address = new EndpointAddress(Endpoint.Address);
ApplySecurityContext(messageDelivery, factory);
IContextChannel proxy = CreateProxy(factory);
using (OperationContextScope scope = new OperationContextScope(proxy))
{
bool success = false;
try
{
var lookup = initActionLookup(Endpoint);
MethodInfo methodInfo = lookup.MethodLookup[_passThrough ? "*" : messageDelivery.Action];
if (methodInfo != null)
{
try
{
object result = methodInfo.Invoke(proxy, new object[] { messageDelivery.Message });
if (lookup.ReplyActionLookup.ContainsKey(messageDelivery.Action)) // if two way message, publish reply
{
KeyValuePair <MessageDeliveryContextKey, object>[] replyData = new KeyValuePair <MessageDeliveryContextKey, object> [1];
replyData[0] = new KeyValuePair <MessageDeliveryContextKey, object>(MessageDelivery.CorrelationId, GetResponseCorrelationId(messageDelivery));
Runtime.PublishOneWay(new PublishRequest(Endpoint.ContractType, lookup.ReplyActionLookup[messageDelivery.Action], result, new MessageDeliveryContext(replyData)));
}
}
catch (System.Reflection.TargetInvocationException ex)
{
if (lookup.ReplyActionLookup.ContainsKey(messageDelivery.Action)) // if two way message, publish reply
{
KeyValuePair <MessageDeliveryContextKey, object>[] replyData = new KeyValuePair <MessageDeliveryContextKey, object> [1];
replyData[0] = new KeyValuePair <MessageDeliveryContextKey, object>(MessageDelivery.CorrelationId, GetResponseCorrelationId(messageDelivery));
FaultException fex = ex.InnerException as FaultException;
if (fex != null)
{
Runtime.PublishOneWay(new PublishRequest(Endpoint.ContractType, fex.Action, ((FaultException)ex.InnerException), new MessageDeliveryContext(replyData)));
}
else
{
throw;
}
}
else
{
throw;
}
}
}
else
{
throw new InvalidOperationException("Matching method not found");
}
proxy.Close();
success = true;
}
finally
{
if (!success)
{
proxy.Abort();
}
}
}
}
