public static void Execute(Action<Context> action, Context context = null)
{
context = context ?? new Context();
s_contexts.Value.Push(context);
try
{
action(context);
}
finally
{
s_contexts.Value.Pop();
}
}
public void Intercept(IInvocation invocation)
{
assertIsValid(invocation.Method);
// TODO: fix dependency on IoC
var address = m_address ?? m_target.Configuration.Attributes[WindsorEx.ADDRESS];
var key = m_target.Configuration.Attributes[WindsorEx.REMOTE_KEY];
Console.WriteLine("invoking {0} on {1}", invocation, address);
var ctx = new Context {RecipientKey = key, RecipientPath = address};
var invocationPayload = new InvocationMessage(ctx, invocation);
replaceCallbacksWithTokens(invocationPayload);
var payload = m_serializer.Serialize(invocationPayload);
var transportMessage = new TransportMessage(payload, address);
m_transport.OnNext(transportMessage);
}
public void ScheduleTimeoutAction(string token, Delegate callback)
{
var ctx = MessagelessContext.CurrentContext;
if (ctx == null)
return;
if (ctx.TimeOut == default(TimeSpan))
return;
var subscription = Observable
.Timer(ctx.TimeOut)
.Select(_ =>
{
var context = new Context { RecipientKey = token, TimeOut = ctx.TimeOut, CallbackTimedOut = true };
var callbackMessage = new CallbackMessage(context, callback.GetType(), null);
var payload = m_serializer.Serialize(callbackMessage);
var transportMessage = new TransportMessage(payload, m_transport.LocalPath);
return transportMessage;
})
.Finally(() => DismissTimeoutAction(token))
.Subscribe(m_transport);
m_timeoutTimers[token] = subscription;
}
private Delegate tokenToCallbackProxy(string token, Type callbackType, string senderPath)
{
var context = new Context{RecipientPath = senderPath, RecipientKey = token};
var callbackInterceptor = new CallbackInterceptor(context, callbackType, m_transport, m_serializer, m_kernel, m_timeoutManager);
var callbackMethodInfo = callbackType.GetMethod("Invoke");
var parameterTypes = callbackMethodInfo.GetParameters()
.Select(p => p.ParameterType)
.ToArray();
var method = callbackInterceptor.GetType().GetMethods()
.Where(mi => mi.Name == "Intercept")
.Single(mi =>mi.GetParameters().Count() == parameterTypes.Length);
if (method.IsGenericMethodDefinition)
method = method.MakeGenericMethod(parameterTypes);
var callbackProxy = Delegate.CreateDelegate(callbackType, callbackInterceptor,
method, throwOnBindFailure: true);
return callbackProxy;
}
public InvocationMessage(Context context, MethodInfo method, object[] arguments)
{
Context = context;
Method = method;
Arguments = arguments;
}
public InvocationMessage(Context context, IInvocation invocation)
: this(context, invocation.Method, invocation.Arguments)
{
}
public CallbackMessage(Context context, Type delegateType, object[] arguments)
{
Context = context;
DelegateType = delegateType;
Arguments = arguments ?? new object[Method.GetParameters().Length];
}