wcf

Appfabric WF4-WCF services, how to retrive current url in codeactivity without httpcontext?

Hi, i have developed a wf-wcf services with a code activity and in it i want to retrive the current url of the service. If i disabling the persistence feature of appfabric i can retrive the url using HttpContext.Current.Request.Url.ToString() If the persistence feature is enabled the httpcontext is null. There is a different way to...

Exception Security Context token in WCF

Hi all I'm using Service WCF, and I get the following error: "The security context token is expired or is not valid. The message was not processed." Client config <endpoint address="http://probiz:49610/GestionOrganizacion.svc" binding="wsHttpBinding" bindingConfiguration="WSHttpBinding_IOrganizacion" contract="CarWin.Service...

WCF Service calls always fail after 30 seconds with (502) Bad Gateway

We have a WCF service (BasicHttpBinding) which will always fail after 30 seconds. Calls under 30 seconds complete without error. Anything over 30 seconds will fail with a 502 Bad Gateway exception: System.Net.WebException: The remote server returned an error: (502) Bad Gateway. But yet the WCF call continues to run in the backgro...

how do i know how many clients are calling my WCF service function

i am writing a program to test WCF service performance in high concurrency circumstance. On client side, i start many threads to call a WCF service function which returns a long list of data object. On server side, in that function called by my client, i need to know the number of clients calling the function. For doing that, i set a ...

Declarative security on service operation via PrincipalPermission uses client propagated transaction

I am implementing a WCF service that uses transaction propagation. The ASP .nET Security model with SQL Server (SqlRoleProvider) is used for authorization. I am using declarative security via the PrincipalPermission attribute, as shown below. [ServiceBehavior(TransactionIsolationLevel = IsolationLevel.Serializable)] public class MyServ...

Testing for interface implementation in WCF/SOA

I have a reporting service that implements a number of reports. Each report requires certain parameters. Groups of logically related parameters are placed in an interface, which the report then implements: [ServiceContract] [ServiceKnownType(typeof(ExampleReport))] public interface IService1 { [OperationContract] void Process(...

WCF Fails when using impersonation over 2 machine boundaries (3 machines)

These scenarios work in their pieces. Its when i put it all together that it breaks. I have a WCF service using netTCP that uses impersonation to get the callers ID (role based security will be used at this level) on top of this is a WCF service using basicHTTP with TransportCredientialOnly which also uses impersonation I then have a ...

WCF MSMQ consumer thread count

What's the best way to configure the maximum number of threads that can pull messages from an MSMQ queue, using a netMsmqBinding in WCF? For example, say I have an MSMQ service for which I only want to have 2 (or 10, or whatever number of) worker threads pulling messages off at a time. ...

Robust Large File Transfer with WCF

I want to transfer big files (1GB) over unreliable transport channels. When connection is interrupted, I don't want start file transfering from the begining. I can partially store it in a temp table and store last readed position, so when connection is reestablished I can request continue uploading of file from this position. Is there a...

Quality Design for Asynchronous WCF Services Calls in a Middle-Tier and Returning Data to UI Tier

I have a WPF application with a group of asynchronous WCF service calls all mashed into the code behind, complete with event handlers and everything, that I have to refactor to productionize and maintain. I want to separate concerns here for maintainability and all the other good reasons to do this, but I'm not sure exactly how to achie...

A simple WCF Service (POX) without complex serialization

I'm a complete WCF novice. I'm trying to build a deploy a very, very simple IIS 7.0 hosted web service. For reasons outside of my control it must be WCF and not ASMX. It's a wrapper service for a pre-existing web application that simply does the following: 1) Receives a POST request with the request body XML-encapsulated form element...

How to use MSMQ in WCF?

I can work with many WCF bindings, except netMsmqBinding. All I get is: CommunicationObjectFaultedException: "The communication object, System.ServiceModel.ServiceHost, cannot be used for communication because it is in the Faulted state." at System.ServiceModel.Channels.CommunicationObject.Close(TimeSpan timeout) I tried it in...

How to upload binary (audio) data from a Flash AS3 client to .NET server (WCF/REST/HTTP/?)?

Simply stated: I'm trying to record audio in a browser, and get that data back up to the server. I originally tried to capture, encode and upload the audio using Silverlight, but because of the lack of suitable client-side encoding options, I'm now giving Flash a shot (Flash has baked-in support for encoding to Speex). I think I've fig...

WCF Custom Delegation/Authentication without Kerberos

I'm building a simple WCF service, probably exposed via HTTPS, using NTLM security. Since not all users are going to be capable of using the service directly, we're writing a simple web front-end for the service. Users will auth with HTML to the web front-end. What we want is a way to delegate the user of the web site all the way to th...

How do I construct a request for a WCF http post call?

I have a really simple service that I'm messing about with defined by: [OperationContract] [WebInvoke(UriTemplate = "Review/{val}", RequestFormat = WebMessageFormat.Xml, Method = "POST", BodyStyle=WebMessageBodyStyle.Bare)] void SubmitReview(string val, UserReview review); UserReview is, at the moment, a class with no properties. All...

Authenticating wcf service

hi , i want to implement a web service which is both in java and .net.but i will first create a wcf service and later convert the code to java . for securing the webservice , i have this in my mind. i shall be implementing asp.net form authentication type of stuff . i intent to sent a token to the client on providing valid userID and p...

App to app communication and security

I have client apps that talk to my silverlight application and its web services. So the client app is running on the client machine and making calls directly to the silverlight app running on the machine and also making web service calls. I want the usernames/password security to be handled by the 3rd party client app. Any idea how I ...

Posting an image and textual based data to a wcf service

I have a requirement to write a web service that allows me to post an image to a server along with some additional information about that image. I'm completely new to developing web services (normally client side dev) so I'm a little stumped as to what I need to look into and try. How do you post binary data and plain text into a se...

Are IIS services closed after some time?

I'd like to host a WCF web service in IIS. The service should keep a certain set of data all the time, it must never be lost. My colleague told me this is impossible because IIS closes down the service after a certain time (I assume without any activity). Is that true? How do I prevent that behavior? In case it matters, both IIS 6 and ...

What is the performance hit for using WCF Performance Counters (performanceCounters = "ALL")?

Does anyone have experience with using the WCF Performance Counters in a production system and running into any performance issues? I suspect if you are monitoring all Service, Endpoints, and Operations and log all counters to a file, sampling every second, then this is the worst case scenario. From what I gather, the hit comes when yo...