private async Task <InboundMessage> MakeRequest(params object[] payloads)
{
var tcs = new TaskCompletionSource <InboundMessage>();
var callback = new Action <byte[]>(data =>
{
var message = InboundMessage.From(data);
LogReceived(message);
tcs.SetResult(message);
});
try
{
this.handler.Attach(this.@event, callback);
Trigger(payloads);
return(await tcs.Task);
}
finally
{
this.handler.Detach(this.@event, callback);
}
}
private void Attach(Delegate callback, Func <InboundMessage, IEnumerable <object> > func)
{
this.handler.Attach(this.@event, new Action <byte[]>(data =>
{
var message = InboundMessage.From(data);
if (!message.Event.StartsWith("nfive:log:"))
{
LogReceived(message);
}
var args = new List <object>
{
new RpcEvent(message.Event)
};
args.AddRange(func(message));
callback.DynamicInvoke(args.ToArray());
}));
}
private static void InternalOnRequest(string @event, Delegate callback, Func <InboundMessage, IEnumerable <object> > func)
{
Logger.Trace($"OnRequest: \"{@event}\" attached to \"{callback.Method.DeclaringType?.Name}.{callback.Method.Name}({string.Join(", ", callback.Method.GetParameters().Select(p => p.ParameterType + " " + p.Name))})\"");
events[@event] += new Action <byte[]>(data =>
{
var message = InboundMessage.From(data);
Logger.Trace(message.Payloads.Count > 0
? $"OnRequest Received: \"{message.Event}\" with {message.Payloads.Count} payload{(message.Payloads.Count > 1 ? "s" : string.Empty)}:{Environment.NewLine}\t{string.Join($"{Environment.NewLine}\t", message.Payloads)}"
: $"OnRequest Received: \"{message.Event}\" with no payloads");
var args = new List <object>
{
new CommunicationMessage(@event, message.Id, true)
};
args.AddRange(func(message));
callback.DynamicInvoke(args.ToArray());
});
}
private static async Task <InboundMessage> InternalRequest(string @event, params object[] payloads)
{
var tcs = new TaskCompletionSource <InboundMessage>();
var callback = new Action <byte[]>(data =>
{
var message = InboundMessage.From(data);
Logger.Trace(message.Payloads.Count > 0
? $"Request Received: \"{message.Event}\" with {message.Payloads.Count} payload{(message.Payloads.Count > 1 ? "s" : string.Empty)}:{Environment.NewLine}\t{string.Join($"{Environment.NewLine}\t", message.Payloads)}"
: $"Request Received: \"{message.Event}\" with no payloads");
tcs.SetResult(message);
});
var msg = new OutboundMessage
{
Id = Guid.NewGuid(),
Event = @event,
Payloads = payloads.Select(p => Serializer.Serialize(p)).ToList()
};
try
{
events[$"{msg.Id}:{@event}"] += callback;
Emit(msg);
return(await tcs.Task);
}
finally
{
events[$"{msg.Id}:{@event}"] -= callback;
}
}