static void Main(string[] args)
{
// Create the WcfClient connector
WcfConnectionStringBuilder builder = new WcfConnectionStringBuilder();
builder.EndpointName = "ApplicationClient";
WcfClientConnector client = new WcfClientConnector(builder.GenerateConnectionString()); // Endpoint name should match the ep name in app.config
// Setup the formatter
client.Formatter = new MARC.Everest.Formatters.XML.ITS1.Formatter();
client.Formatter.GraphAides.Add(new DatatypeFormatter());
// We want the service to validate our messages, not the formatter, so lets just turn off the
// formatter validation for now
(client.Formatter as MARC.Everest.Formatters.XML.ITS1.Formatter).ValidateConformance = false;
// Open the connection
client.Open();
// Start the async send
IAsyncResult iaSendResult = client.BeginSend(CreateInstance(), null, null);
Console.WriteLine("Formatting and sending, please wait...");
iaSendResult.AsyncWaitHandle.WaitOne(); // Wait until the response is received
// Now we have to check that the message was actually sent to the remote system
WcfSendResult sndResult = client.EndSend(iaSendResult) as WcfSendResult;
// The result of sending the message wasn't good.
if (sndResult.Code != ResultCode.Accepted && sndResult.Code != ResultCode.AcceptedNonConformant)
{
Console.WriteLine("The message wasn't sent!");
}
else // The connector has sent the message
{
// Receive the result (this involves waiting...)
IAsyncResult iaRcvResult = client.BeginReceive(sndResult, null, null);
Console.WriteLine("Parsing result...");
iaRcvResult.AsyncWaitHandle.WaitOne(); // Wait for deserialization
WcfReceiveResult rcvResult = client.EndReceive(iaRcvResult) as WcfReceiveResult;
// Now lets print out the structure
client.Formatter.Graph(Console.OpenStandardOutput(), rcvResult.Structure);
}
// Close the connection
client.Close();
Console.WriteLine("Press any key to exit...");
Console.ReadKey();
}
public System.ServiceModel.Channels.Message ProcessInboundMessage(System.ServiceModel.Channels.Message m)
{
#if DEBUG
Trace.TraceInformation("Received message on transport...");
#endif
if (ListenConnector == null && OperationContext.Current.Host is WcfServiceHost)
{
ListenConnector = (OperationContext.Current.Host as WcfServiceHost).ConnectorHost;
}
if (ListenConnector != null) // In process
{
// Is this channel one way or two way?
if (!(OperationContext.Current.Channel is IOutputChannel)) // Input only
{
return(null);
}
#if DEBUG
Trace.TraceInformation("Message handoff to WcfServerConnector completed");
#endif
WcfSendResult processResult = ListenConnector.ProcessMessage(m);
Message retVal = null;
// There is an error, so the return value must be a fault!
if (processResult == null || processResult.Code != ResultCode.Accepted && processResult.Code != ResultCode.AcceptedNonConformant)
{
// Web based context?
if (WebOperationContext.Current != null)
{
WebOperationContext.Current.OutgoingResponse.StatusCode = System.Net.HttpStatusCode.InternalServerError;
WebOperationContext.Current.OutgoingResponse.StatusDescription = "Internal Server Error";
}
List <String> details = new List <string>();
if (processResult != null)
{
details = new List <String>();
foreach (var dtl in processResult.Details)
{
details.Add(dtl.Message); // Append details
}
}
if (processResult == null)
{
retVal = Message.CreateMessage(m.Version, MessageFault.CreateFault(FaultCode.CreateReceiverFaultCode(processResult.Code.ToString(), "http://marc.mohawkcollege.ca/hi"), new FaultReason("The receiver has constructed an invalid response that cannot be sent to the sender"), details), m.Headers.Action);
}
else
{
retVal = Message.CreateMessage(m.Version, MessageFault.CreateFault(FaultCode.CreateSenderFaultCode("EPIC", "http://marc.mohawkcollege.ca/hi"), new FaultReason("Catastrophic failure occurred in the WcfServer send pipeline. This usually occurs when the connector does not receive a message in the allocated amount of time"), details), m.Headers.Action);
}
}
else
{
retVal = processResult.Message;
if (processResult.Headers != null)
{
retVal.Headers.Clear();
retVal.Headers.CopyHeadersFrom(processResult.Headers);
}
}
#if DEBUG
Trace.TraceInformation("Message sent to client");
#endif
return(retVal);
}
else
{
// Get settings
if (settings == null)
{
settings = System.Web.Configuration.WebConfigurationManager.GetSection("marc.everest.connectors.wcf") as MARC.Everest.Connectors.WCF.Configuration.ConfigurationSection;
}
// Now format the message and pass it on ...
MemoryStream ms = new MemoryStream();
System.Xml.XmlWriter xw = System.Xml.XmlWriter.Create(ms); // Write to message memory stream for classification matching
m.WriteMessage(xw);
xw.Flush(); // Flush the Xml Writer
ms.Seek(0, SeekOrigin.Begin); // Seek to start
XPathDocument xpd = new XPathDocument(ms); // load xpath document
XPathNavigator xpn = xpd.CreateNavigator();
IMessageReceiver receiver = null; // The receiver to use
// Determine the receiver
foreach (KeyValuePair <String, IMessageReceiver> kv in settings.Receiver)
{
if (xpn.SelectSingleNode(kv.Key) != null)
{
receiver = kv.Value;
break;
}
}
// Was a receiver found?
if (receiver == null)
{
// Create a not implemented exception
if (WebOperationContext.Current != null)
{
WebOperationContext.Current.OutgoingResponse.StatusCode = System.Net.HttpStatusCode.NotImplemented;
}
return(Message.CreateMessage(m.Version, MessageFault.CreateFault(FaultCode.CreateSenderFaultCode(
"NotImplemented", "http://marc.mohawkcollege.ca/hi"), new FaultReason("No receiver understands the request message.")),
m.Headers.Action));
}
// Create a streams for deserialization
ms = new MemoryStream();
XmlWriterSettings xws = new XmlWriterSettings();
xws.Indent = true;
xw = XmlWriter.Create(ms, xws);
// Deserialize body
WcfReceiveResult rcv = new WcfReceiveResult();
try
{
// Because of classification, we need to process this in a wierd way,
// Basically the formatter will classify the message based on the root element name
// it receives. Because a SOAP message's root isn't what we really want to process,
// the first child node under the 'body' must be passed to the xml writer
xpn.SelectSingleNode("//*[local-name() = 'Body']/child::node()").WriteSubtree(xw);
xw.Flush();
ms.Seek(0, SeekOrigin.Begin);
var serResult = settings.Formatter.Parse(ms);
rcv.Structure = serResult.Structure;
rcv.Details = serResult.Details;
if (rcv.Details.Count() == 0)
{
rcv.Code = ResultCode.Accepted;
}
else
{
rcv.Code = ResultCode.AcceptedNonConformant;
}
}
catch (Exception e)
{
rcv.Code = ResultCode.Error;
rcv.Details = new IResultDetail[] { new ResultDetail(ResultDetailType.Error, e.Message, e) };
}
// Process on the receiver
IGraphable obj = receiver.MessageReceived(rcv.Structure, rcv.Code, rcv.Details);
// Graph this back
XmlSerializerSurrogate surrogate = new XmlSerializerSurrogate((IXmlStructureFormatter)settings.Formatter);
// Serialize the response
Message result = Message.CreateMessage(m.Version, m.Headers.Action, obj, surrogate);
// Validate
surrogate.WriteObject(new MemoryStream(), obj);
// Surrogate result code is acceptable?
if (surrogate.ResultCode != ResultCode.Accepted && surrogate.ResultCode != ResultCode.AcceptedNonConformant)
{
if (WebOperationContext.Current != null)
{
WebOperationContext.Current.OutgoingResponse.StatusCode = System.Net.HttpStatusCode.InternalServerError;
WebOperationContext.Current.OutgoingResponse.StatusDescription = "Internal Server Error";
}
List <string> details = new List <String>();
foreach (var itm in surrogate.Details)
{
details.Add(itm.Message); // Append details
}
return(Message.CreateMessage(m.Version, MessageFault.CreateFault(FaultCode.CreateReceiverFaultCode(surrogate.ResultCode.ToString(), "http://marc.mohawkcollege.ca/hi"), new FaultReason("The receiver has constructed an invalid response that cannot be returned to the sender"), details), m.Headers.Action));
}
else
{
return(result);
}
}
}