public static Type CreateCallbackProxyType (DispatchRuntime dispatchRuntime, Type callbackType)
{
var ed = dispatchRuntime.EndpointDispatcher;
var channelDispatcher = ed.ChannelDispatcher;
Type contractType = channelDispatcher != null ? channelDispatcher.Host.ImplementedContracts.Values.First (hcd => hcd.Name == ed.ContractName && hcd.Namespace == ed.ContractNamespace).ContractType : dispatchRuntime.Type;
var cd = ContractDescriptionGenerator.GetCallbackContract (contractType, callbackType);
string modname = "dummy";
Type crtype = typeof (DuplexServiceRuntimeChannel);
// public class __clientproxy_MyContract : ClientRuntimeChannel, [ContractType]
CodeClass c = new CodeModule (modname).CreateClass (
"__callbackproxy_" + cd.Name,
crtype,
new Type [] {callbackType});
//
// public __callbackproxy_MyContract (
// IChannel channel, DispatchRuntime runtime)
// : base (channel, runtime)
// {
// }
//
Type [] ctorargs = new Type [] {typeof (IChannel), typeof (DispatchRuntime)};
CodeMethod ctor = c.CreateConstructor (
MethodAttributes.Public, ctorargs);
CodeBuilder b = ctor.CodeBuilder;
MethodBase baseCtor = crtype.GetConstructors (
BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance) [0];
if (baseCtor == null) throw new Exception ("INTERNAL ERROR: DuplexServiceRuntimeChannel.ctor() was not found.");
b.Call (
ctor.GetThis (),
baseCtor,
new CodeArgumentReference (typeof (IChannel), 1, "arg0"),
new CodeArgumentReference (typeof (DispatchRuntime), 2, "arg1"));
return CreateProxyTypeOperations (crtype, c, cd);
}
}
