public IEnumerable <IAsyncSubscription> Subscribe(IConnection connection)
{
foreach (var method in ContractType.GetMethods())
{
var methodRoute = $"{HandlerRoute}.{method.Name}";
var subscription = connection.SubscribeAsync(methodRoute);
subscription.MessageHandler += async(sender, args) =>
{
try
{
var parameterTypes = method.GetParameters().Select(p => p.ParameterType).ToArray();
var arguments = _deserialzer.DeserialzeObjects(args.Message.Data, parameterTypes);
object result;
using (var scope = _serviceProvider.CreateScope())
{
var contractImplementaion = _contractImplFactory.Invoke(scope.ServiceProvider, Array.Empty <object>());
result = method.Invoke(contractImplementaion, arguments);
if (typeof(Task).IsAssignableFrom(method.ReturnType))
{
var task = (Task)result;
await task;
var prop = method.ReturnType.GetProperty("Result");
result = prop?.GetValue(task);
}
}
var bytes = _serializer.SerializeObject(result);
connection.Publish(args.Message.Reply, bytes);
}
catch (Exception ex)
{
_logger?.LogError(ex, "Unhandled exception during rpc-request has occured");
}
};
yield return(subscription);
}
}