/// <summary>
/// OnClose event
/// </summary>
/// <param name="timeout"></param>
protected override void OnClose(TimeSpan timeout)
{
WCFLogger.Write(TraceEventType.Start, "Mail request channel starting to close...");
lock (_stateLock) {
base.OnClose(timeout);
AbortAllDequeueing();
WCFLogger.Write(TraceEventType.Verbose, "Mail request channel closed all dequeueing.");
lock (_asyncRequests) {
// Wait for all threads to die
foreach (KeyValuePair <object, AsyncRequest> kvp in _asyncRequests)
{
IAsyncResult result = _asyncResults[kvp.Key];
kvp.Value.EndInvoke(result);
WCFLogger.Write(TraceEventType.Verbose, "Mail request channel closed a thread.");
}
_asyncRequests.Clear();
_asyncResults.Clear();
}
// Stop listening to the mailbox
if (_mailHandler.InboxState == InboxState.Listening)
{
_mailHandler.Close();
}
WCFLogger.Write(TraceEventType.Verbose, "Mail request channel closed mail handler");
}
WCFLogger.Write(TraceEventType.Stop, "Mail request channel finished closing.");
}
/// <summary>
/// Replies to a request message
/// </summary>
/// <param name="message">The incoming System.ServiceModel.Channels.Message that contains the request</param>
public override void Reply(Message message)
{
WCFLogger.Write(TraceEventType.Verbose, "InterceptorRequestContext replies");
Message interceptedMessage = InterceptResponse(message);
_innerContext.Reply(interceptedMessage);
}
/// <summary>
/// Implements the WaitForRequest method of the IReplyChannel interface. It bridges the
/// call to the inner channel located in the channel base.
/// </summary>
/// <param name="timeout">The System.Timespan that specifies how long a request operation has to complete
/// before timing out and returning false</param>
/// <returns>true if a request is received before the specified interval of time elapses;
/// otherwise false</returns>
public bool WaitForRequest(TimeSpan timeout)
{
WCFLogger.Write(TraceEventType.Verbose, "InterceptorReplyChannel waits for request");
bool succes = InnerChannel.WaitForRequest(timeout);
return(succes);
}
private MailSoap12TransportBinding CreateMailMessage(Message message)
{
MailSoap12TransportBinding mail = new MailSoap12TransportBinding(message);
// 2. Check mail headers of incoming request
if (_requestMessage.ReplyTo != null && _requestMessage.ReplyTo != "")
{
mail.To = _requestMessage.ReplyTo;
}
else if (_requestMessage.From != null && _requestMessage.From != "")
{
mail.To = _requestMessage.From;
}
else
{
throw new RaspEmailReplyCouldNotBeSentException(new dk.gov.oiosi.communication.handlers.email.MailBindingFieldMissingException("From"));
}
// Try to set the FROM header of the mail
if (mail.From == null || mail.From == "")
{
mail.From = MailSoap12TransportBinding.TrimMailAddress(this.pMailHandler.InboxServerConfiguration.ReplyAddress);
}
//TODO: remove this hack, only for testing
message.Headers.To = new Uri("mailto:" + _requestMessage.From);
WCFLogger.Write(System.Diagnostics.TraceEventType.Verbose, "RequestContext created the reply mail");
return(mail);
}
/// <summary>
/// Begins an asynchronous operation to reply to the request associated with the current context
/// </summary>
/// <param name="message">The incoming System.ServiceModel.Channels.Message that contains the request</param>
/// <param name="callback">The System.AsyncCallback delegate that receives the notification of the asynchronous
/// reply operation completion</param>
/// <param name="state">An object, specified by the application, that contains state information
/// associated with the asynchronous reply operation</param>
/// <returns>The System.IAsyncResult that references the asynchronous reply operation</returns>
public override IAsyncResult BeginReply(Message message, AsyncCallback callback, object state)
{
WCFLogger.Write(TraceEventType.Verbose, "InterceptorRequestContext begins reply");
Message interceptedMessage = InterceptResponse(message);
return(_innerContext.BeginReply(interceptedMessage, callback, state));
}
/// <summary>
/// Implements the RecieveRequest method of the IReplyChannel interface. It bridges the
/// call to the inner channel located in the channel base.
/// </summary>
/// <returns>The System.ServiceModel.Channels.RequestContext used to construct replies</returns>
public RequestContext ReceiveRequest()
{
WCFLogger.Write(TraceEventType.Verbose, "InterceptorReplyChannel receives request");
RequestContext requestContext = base.InnerChannel.ReceiveRequest();
return(requestContext);
}
/// <summary>
/// Implements the BeginWaitForRequest method of the IReplyChannel interface. It bridges the
/// call to the inner channel located in the channel base.
/// </summary>
/// <param name="timeout">The System.Timespan that specifies the interval of time to wait for the reception
/// of an available request</param>
/// <param name="callback">The System.AsyncCallback delegate that receives the notification of the asynchronous
/// receive that a request operation completes</param>
/// <param name="state">An object, specified by the application, that contains state information
/// associated with the asynchronous receive of a request operation</param>
/// <returns>The System.IAsyncResult that references the asynchronous operation to wait
/// for a request message to arrive</returns>
public IAsyncResult BeginWaitForRequest(TimeSpan timeout, AsyncCallback callback, object state)
{
WCFLogger.Write(TraceEventType.Verbose, "InterceptorReplyChannel begins wait for request");
IAsyncResult asyncResult = base.InnerChannel.BeginWaitForRequest(timeout, callback, state);
return(asyncResult);
}
/// <summary>
/// Sends a message-based request and returns the correlated message-based response
/// </summary>
/// <param name="message">The request System.ServiceModel.Channels.Message to be transmitted</param>
/// <returns>The System.ServiceModel.Channels.Message received in response to the request</returns>
public Message Request(Message message)
{
WCFLogger.Write(TraceEventType.Start, "Beginning to intercept request");
base.ThrowIfDisposedOrNotOpen();
Message interceptedResponseMessage = null;
try
{
Message interceptedRequestMessage = InterceptRequest(message);
Message innerMessage = InnerChannel.Request(interceptedRequestMessage);
interceptedResponseMessage = InterceptResponse(innerMessage);
WCFLogger.Write(TraceEventType.Stop, "Finished intercepting request");
}
catch (CryptographicException exception)
{
// Exception, if the service e.g. does not have acces to the private key in the certificate
// So logging this special error
this.logger.Fatal("The service migth not have permission right to the private key in the certificate", exception);
// handling the error as normal
HandleException(message);
WCFLogger.Write(TraceEventType.Error, "Exception occurred while intercepting: " + exception);
WCFLogger.Write(TraceEventType.Stop, "Finished intercepting request");
throw exception;
}
catch (Exception exception)
{
HandleException(message);
WCFLogger.Write(TraceEventType.Error, "Exception occurred while intercepting: " + exception);
WCFLogger.Write(TraceEventType.Stop, "Finished intercepting request");
throw exception;
}
return(interceptedResponseMessage);
}
/// <summary>
/// OnEndAcceptChannel event
/// </summary>
/// <param name="result"></param>
/// <returns></returns>
protected override TChannel OnEndAcceptChannel(IAsyncResult result)
{
WCFLogger.Write(TraceEventType.Verbose, "ChannelListener ends accept channel");
TChannel innerChannel = innerChannelListener.EndAcceptChannel(result);
return(WrapChannel(innerChannel));
}
/// <summary>
/// OnAcceptChannel event
/// </summary>
/// <param name="timeout"></param>
/// <returns></returns>
protected override TChannel OnAcceptChannel(TimeSpan timeout)
{
WCFLogger.Write(TraceEventType.Verbose, "ChannelListener accepts channel");
TChannel innerChannel = innerChannelListener.AcceptChannel(timeout);
return(WrapChannel(innerChannel));
}
/// <summary>
/// OnBeginAcceptChannel event
/// </summary>
/// <param name="timeout"></param>
/// <param name="callback"></param>
/// <param name="state"></param>
/// <returns></returns>
protected override IAsyncResult OnBeginAcceptChannel(TimeSpan timeout, AsyncCallback callback, object state)
{
WCFLogger.Write(TraceEventType.Verbose, "ChannelListener begins accept channel");
//_innerChannelListener.
return(innerChannelListener.BeginAcceptChannel(timeout, callback, state));
}
/// <summary>
/// Implements the BeginRecieveRequest method of the IReplyChannel interface. It bridges the
/// call to the inner channel located in the channel base.
/// </summary>
/// <param name="callback">The System.AsyncCallback delegate that receives the notification of the asynchronous
/// receive that a request operation completes</param>
/// <param name="state">An object, specified by the application, that contains state information
/// associated with the asynchronous receive of a request operation</param>
/// <returns>The System.IAsyncResult that references the asynchronous reception of the
/// request</returns>
public IAsyncResult BeginReceiveRequest(AsyncCallback callback, object state)
{
WCFLogger.Write(TraceEventType.Verbose, "InterceptorReplyChannel begins recieve request");
IAsyncResult asyncResult = base.InnerChannel.BeginReceiveRequest(callback, state);
return(asyncResult);
}
/// <summary>
/// Implements the EndWaitForRequest method of the IReplyChannel interface. It bridges the
/// call to the inner channel located in the channel base.
/// </summary>
/// <param name="result">The System.IAsyncResult that identifies the System.ServiceModel.Channels.IReplyChannel.BeginWaitForRequest()
/// operation to finish, and from which to retrieve an end result</param>
/// <returns>true if a request is received before the specified interval of time elapses;
/// otherwise false</returns>
public bool EndWaitForRequest(IAsyncResult result)
{
WCFLogger.Write(TraceEventType.Verbose, "InterceptorReplyChannel ends wait for request");
bool succes = base.InnerChannel.EndWaitForRequest(result);
return(succes);
}
/// <summary>
/// Implements the TryRecieveRequest method of the IReplyChannel interface. It bridges the
/// call to the inner channel located in the channel base.
/// </summary>
/// <param name="timeout">The System.TimeSpan that specifies how long the receive of a request operation
/// has to complete before timing out and returning false</param>
/// <param name="context">The System.ServiceModel.Channels.RequestContext received</param>
/// <returns>true if a request message is received before the specified interval of time
/// elapses; otherwise false</returns>
public bool TryReceiveRequest(TimeSpan timeout, out RequestContext context)
{
WCFLogger.Write(TraceEventType.Verbose, "InterceptorReplyChannel tries to receive request");
bool succes = InnerChannel.TryReceiveRequest(timeout, out context);
return(succes);
}
/// <summary>
/// Implements the EndBeginRecieveRequest method of the IReplyChannel interface. It bridges the
/// call to the inner channel located in the channel base. Then it calls the reply interceptor
/// so it can do whatever with the request context.
/// </summary>
/// <param name="result">The System.IAsyncResult returned by a call to the System.ServiceModel.Channels.IInputChannel.BeginReceive()
/// method</param>
/// <returns>The System.ServiceModel.Channels.RequestContext used to construct a reply
/// to the request</returns>
public RequestContext EndReceiveRequest(IAsyncResult result)
{
WCFLogger.Write(TraceEventType.Verbose, "InterceptorReplyChannel ends receive request");
RequestContext innerContext = base.InnerChannel.EndReceiveRequest(result);
RequestContext requestContext = this.EndReceiveRequest(innerContext);
return(requestContext);
}
private void SendSoapFault(InterceptorChannelException ex, RequestContext innerContext, InterceptorMessage message)
{
WCFLogger.Write(System.Diagnostics.TraceEventType.Start, "Interceptor is sending a SOAP fault...");
MessageFault messageFault = ex.GetMessageFault();
Message wcfMessage = Message.CreateMessage(MessageVersion.Default, messageFault, common.Definitions.DefaultOiosiNamespace2007 + messageFault.Code.SubCode.Name);
innerContext.Reply(wcfMessage);
WCFLogger.Write(System.Diagnostics.TraceEventType.Stop, "Interceptor finished sending the SOAP fault.");
}
/// <summary>
/// OnAbort event
/// </summary>
protected override void OnAbort()
{
WCFLogger.Write(System.Diagnostics.TraceEventType.Start, "Listener beginning to abort...");
_onEndDequeueing.Set();
if (pMailHandler != null)
{
pMailHandler.Close();
}
WCFLogger.Write(System.Diagnostics.TraceEventType.Stop, "Listener finished aborting.");
}
/// <summary>
/// Completes an asynchronous operation to return a message-based response to
/// a transmitted request
/// </summary>
/// <param name="result">The System.IAsyncResult returned by a call to the System.ServiceModel.Channels.IInputChannel.BeginRequest()
/// method</param>
/// <returns>The System.ServiceModel.Channels.Message received in response to the request</returns>
public Message EndRequest(IAsyncResult result)
{
Message innerMessage = InnerChannel.EndRequest(result);
WCFLogger.Write(TraceEventType.Start, "Beginning to intercept response");
Message interceptedMessage = InterceptResponse(innerMessage);
WCFLogger.Write(TraceEventType.Stop, "Finished intercepting response");
return(interceptedMessage);
}
/// <summary>
/// The request
/// </summary>
/// <param name="message">The request System.ServiceModel.Channels.Message to be transmitted</param>
/// <param name="timeout">The System.TimeSpan that specifies the interval of time within which a response
/// must be received</param>
/// <returns></returns>
public Message Request(Message message, TimeSpan timeout)
{
WCFLogger.Write(TraceEventType.Start, "Mail request channel starting request");
Message reply = null;
ThrowIfDisposedOrNotOpen();
// Send
System.Diagnostics.Debug.Write("Mail requestChannel send request.");
string id = _mailHandler.Send(CreateMailMessage(message));
// If the message sent was a fault, don't expect a reply
if (message.IsFault)
{
message.Close();
WCFLogger.Write(TraceEventType.Stop, "Mail request channel finishing sending a fault");
return(null);
}
try {
// Wait for the reply
AutoResetEvent onAbort = new AutoResetEvent(false);
_threadsDequeueing.Add(onAbort);
MailSoap12TransportBinding mail = _mailHandler.Dequeue(id, timeout, onAbort);
// If dequeue returned null, someone stopped it, throw aborted exception
if (mail == null)
{
return(null);
}
// Get the WCF Message
reply = mail.Attachment.WcfMessage;
WCFLogger.Write(TraceEventType.Verbose, "Mail request channel got a reply");
}
catch (CommunicationObjectAbortedException) {
message.Close();
throw;
}
catch (TimeoutException) {
message.Close();
throw;
}
catch (Exception e) {
this.Fault();
message.Close();
throw new EmailResponseNotGottenException(e);
}
WCFLogger.Write(TraceEventType.Stop, "Mail request channel finishing requesting");
return(reply);
}
/// <summary>
/// Returns the body of a message
/// </summary>
/// <returns>a xmldocument with the body element only</returns>
public XmlDocument GetBody()
{
WCFLogger.Write(TraceEventType.Verbose, "InterceptorMessage get body");
if (this.bufferCopy == null)
{
this.bufferCopy = this.originalMessage.CreateBufferedCopy(int.MaxValue);
}
Message message = this.bufferCopy.CreateMessage();
XmlDocument xmlDocument = Utilities.GetMessageBodyAsXmlDocument(message);
return(xmlDocument);
}
/// <summary>
/// Returns the body of a message
/// </summary>
/// <returns>a xmldocument with the body element only</returns>
public string GetBodyAsString()
{
WCFLogger.Write(TraceEventType.Verbose, "InterceptorMessage get body");
if (this.bufferCopy == null)
{
this.bufferCopy = this.originalMessage.CreateBufferedCopy(int.MaxValue);
}
Message message = this.bufferCopy.CreateMessage();
string body = Utilities.GetMessageBodyAsString(message);
return(body);
}
/// <summary>
/// BeginRequest implementation of IRequest channel
/// </summary>
/// <param name="message">The request System.ServiceModel.Channels.Message to be transmitted</param>
/// <param name="timeout">The System.TimeSpan that specifies the interval of time within which a response
/// must be received</param>
/// <param name="callback">The System.AsyncCallback delegate that receives the notification of the completion
/// of the asynchronous operation transmitting a request message</param>
/// <param name="state">An object, specified by the application, that contains state information
/// associated with the asynchronous operation transmitting a request message</param>
/// <returns>The System.IAsyncResult that references the asynchronous message transmission</returns>
public IAsyncResult BeginRequest(Message message, TimeSpan timeout, AsyncCallback callback, object state)
{
WCFLogger.Write(TraceEventType.Verbose, "InterceptorReplyChannel begins request");
ThrowIfDisposedOrNotOpen();
try {
Message interceptedMessage = InterceptRequest(message);
return(InnerChannel.BeginRequest(interceptedMessage, timeout, callback, state));
}
catch (Exception ex) {
WCFLogger.Write(TraceEventType.Error, "InterceptorReplyChannel exception thrown " + ex);
HandleException(message);
throw ex;
}
}
/// <summary>
/// Returns the wcf message headers.
/// </summary>
/// <returns></returns>
public MessageHeaders GetHeaders()
{
MessageHeaders messageHeaders = null;
WCFLogger.Write(TraceEventType.Verbose, "InterceptorMessage get headers");
if (this.bufferCopy == null)
{
messageHeaders = new MessageHeaders(originalMessage.Headers);
}
else
{
Message message = bufferCopy.CreateMessage();
messageHeaders = message.Headers;
}
return(messageHeaders);
}
/// <summary>
/// Sets a new body on the message
/// </summary>
/// <param name="body"></param>
public void SetBody(XmlDocument body)
{
WCFLogger.Write(TraceEventType.Verbose, "InterceptorMessage set body");
if (this.bufferCopy == null)
{
this.bufferCopy = this.originalMessage.CreateBufferedCopy(int.MaxValue);
}
XmlNodeReader xnr = new XmlNodeReader(body.DocumentElement);
Message copy = this.bufferCopy.CreateMessage();
Message updatedMessage = Message.CreateMessage(copy.Version, copy.Headers.Action, xnr);
updatedMessage.Headers.Clear();
updatedMessage.Headers.CopyHeadersFrom(copy.Headers);
// ?? update buffer again
this.bufferCopy = updatedMessage.CreateBufferedCopy(int.MaxValue);
}
/// <summary>
/// Replies to a request message
/// </summary>
/// <param name="message">The incoming System.ServiceModel.Channels.Message that contains the request</param>
public override void Reply(Message message)
{
if (message == null)
{
WCFLogger.Write(System.Diagnostics.TraceEventType.Information, "RequestContext received a null message. Shutting down.");
return;
}
WCFLogger.Write(System.Diagnostics.TraceEventType.Start, "RequestContext starting to reply...");
try {
pMailHandler.Send(CreateMailMessage(message), _requestMessage.MessageId);
}
catch (Exception e) {
_bindingElement.RaiseAsyncException(this, e);
throw;
}
WCFLogger.Write(System.Diagnostics.TraceEventType.Stop, "RequestContext finished replying.");
}
/// <summary>
/// Returns a value that indicates whether a request is received before a specified
/// interval of time elapses
/// </summary>
/// <param name="timeout">The System.TimeSpan that specifies how long the receive of a request operation
/// has to complete before timing out and returning false</param>
/// <param name="context">The System.ServiceModel.Channels.RequestContext received</param>
/// <returns>true if a request message is received before the specified interval of time
/// elapses; otherwise false</returns>
public bool TryReceiveRequest(TimeSpan timeout, out RequestContext context)
{
context = null;
try {
if (_msg != null)
{
context = new EmailRequestContext(_msg, _mailHandler, _bindingElement);
_msg = null;
return(true);
}
WCFLogger.Write(System.Diagnostics.TraceEventType.Information, "Received an incoming mail");
}
catch (TimeoutException) {
return(false);
}
return(true);
}
/// <summary>
/// OnAcceptChannel event
/// </summary>
/// <param name="timeout"></param>
/// <returns></returns>
protected override IReplyChannel OnAcceptChannel(TimeSpan timeout)
{
Thread.CurrentThread.Name = "RaspEmailChannelListener.OnAcceptChannel";
WCFLogger.Write(System.Diagnostics.TraceEventType.Start, "Listener starting to listen for a mail...");
MailSoap12TransportBinding mail = pMailHandler.Dequeue(timeout, _onEndDequeueing);
if (mail == null)
{
WCFLogger.Write(System.Diagnostics.TraceEventType.Information, "Listener got no mail.");
WCFLogger.Write(System.Diagnostics.TraceEventType.Stop, "Listener finished listening for a mail.");
return(null);
}
else
{
WCFLogger.Write(System.Diagnostics.TraceEventType.Information, "Listener found a mail.");
WCFLogger.Write(System.Diagnostics.TraceEventType.Stop, "Listener finished listening for a mail.");
return(new EmailReplyChannel(this, pMailHandler, mail, pContext.Binding.Elements.Find <EmailBindingElement>()));
}
}
/// <summary>
/// Returns a copy of the message.
/// </summary>
/// <returns>the message</returns>
public Message GetCopy()
{
// http://msdn.microsoft.com/en-us/library/ms734675.aspx
WCFLogger.Write(TraceEventType.Verbose, "InterceptorMessage get copy of message");
if (this.bufferCopy == null)
{
bufferCopy = originalMessage.CreateBufferedCopy(int.MaxValue);
}
Message message = bufferCopy.CreateMessage();
foreach (KeyValuePair <string, object> pair in newProperties)
{
string key = pair.Key;
object value = pair.Value;
message.Properties.Add(key, value);
}
return(message);
}
/// <summary>
/// Trys to get the certificate subject from the message.
/// </summary>
/// <param name="certificateSubject"></param>
/// <returns></returns>
public bool TryGetCertificateSubject(out string certificateSubject)
{
WCFLogger.Write(TraceEventType.Verbose, "InterceptorMessage try get certificate subject");
bool success;
try
{
string identityName = this.properties.Security.ServiceSecurityContext.PrimaryIdentity.Name;
int index = identityName.LastIndexOf(';');
certificateSubject = identityName.Substring(0, index);
success = true;
}
catch (Exception)
{
certificateSubject = string.Empty;
success = false;
}
return(success);
}
/// <summary>
/// Begins an asynchronous operation to transmit a request message to the reply-side
/// of a request-reply message exchange
/// </summary>
/// <param name="message">The request System.ServiceModel.Channels.Message to be transmitted</param>
/// <param name="callback">The System.AsyncCallback delegate that receives the notification of the completion
/// of the asynchronous operation transmitting a request message</param>
/// <param name="state">An object, specified by the application, that contains state information
/// associated with the asynchronous operation transmitting a request message</param>
/// <returns>The System.IAsyncResult that references the asynchronous message transmission</returns>
public IAsyncResult BeginRequest(Message message, AsyncCallback callback, object state)
{
base.ThrowIfDisposedOrNotOpen();
IAsyncResult asyncResult = null;
try
{
WCFLogger.Write(TraceEventType.Start, "Beginning to intercept request");
Message interceptedMessage = InterceptRequest(message);
WCFLogger.Write(TraceEventType.Stop, "Finished intercepting request");
asyncResult = InnerChannel.BeginRequest(interceptedMessage, callback, state);
}
catch (Exception ex) {
HandleException(message);
WCFLogger.Write(TraceEventType.Error, "Exception occurred while intercepting: " + ex);
throw ex;
}
return(asyncResult);
}
