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POMonoTouch WCF REST Error Creating Channel
 

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    <p>I'm trying to access WCF REST services via MonoTouch. I am unable to use a ChannelFactory, as dynamic code generation is not possible in MonoTouch, and because I'm accessing RESTful services, I'm also unable to use svcutil to build the client classes.</p> <p>This leaves me with building the client classes manually. I've gotten quite far but have hit a problem, here is my code for the proxy class:</p> <pre><code>public class AuthenticationClient : System.ServiceModel.ClientBase&lt;IAuthenticationService&gt;, IAuthenticationService { public AuthenticationClient(Binding binding, EndpointAddress baseAddress) : base(binding, baseAddress) { } public AuthenticationResult AuthenticateUser (AccountCredentials credentials) { return base.Channel.AuthenticateUser(credentials); } protected override IAuthenticationService CreateChannel () { // This method must be overriden in MonoTouch to prevent using a ChannelFactory return new AuthenticationChannel(this); } private class AuthenticationChannel : ChannelBase&lt;IAuthenticationService&gt;, IAuthenticationService { public AuthenticationChannel(System.ServiceModel.ClientBase&lt;IAuthenticationService&gt; client) : base(client) { } public AuthenticationResult AuthenticateUser (AccountCredentials credentials) { object[] _args = new object[1]; _args[0] = credentials; return (AuthenticationResult)base.Invoke("AuthenticateUser", _args); // Exception thrown here } } } </code></pre> <p>The interface IAuthenticationService uses attributes to specify the endpoint Uri's:</p> <pre><code>[ServiceContract] public interface IAuthenticationService { [OperationContract] [WebInvoke(Method = "POST", UriTemplate = "/Authenticate/User")] AuthenticationResult AuthenticateUser(AccountCredentials credentials); } </code></pre> <p>Here is how I'm using the proxy class:</p> <pre><code>var serviceHost = "http://mydomain.com/"; var servicePath = "Services/Authentication"; Uri hostUri = new Uri(serviceHost); Uri serviceUri = new Uri(hostUri, servicePath); var binding = new WebHttpBinding(); var client = new AuthenticationClient(binding, new EndpointAddress(serviceUri)); client.Endpoint.Behaviors.Add(new MyWebHttpBehaviour()); var credentials = new AccountCredentials { Username = "myusername", Password = "mypassword" }; var result = client.AuthenticateUser(credentials); </code></pre> <p>(For some reason WebHttpBehavior does not implement IEndpointBehavior, so I created my own class that inherits from WebHttpBehavior and also implements IEndpointBehavior).</p> <p>The exception I receive is:</p> <p><strong>System.InvalidOperationException: When manual addressing is enabled on the transport, every request messages must be set its destination address.</strong></p> <p>Can anyone help?</p> <p>Cheers, Anthony.</p>
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    1. COIn general, you can use the silverlight 3 svcutil tool to generate the client. I've done it several times in the past and it works great.. Not sure if it works with REST, though, I never tried.
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