Publish message to topics and subscribe to other topics within the same service

[simon_ore]

Hi guys,

I am new to MassTransit and messaging so bear me any stupid question. 

I am using Masstransit with Azure service bus and .Net core web api. I am able to configure my bus to publish message to a topic, I am able able to configure masstransit to only receive message from subscriptions. But I am having issues if I am want to configure the Bus to publish message and listen to the subsciptions published by other topics

 here is my configuration, please help

        public static void ConfigureBus(this IServiceCollection services)

        {

            string connectstr = "Endpoint=sb://...";

            string pubtopic = "balance";

            string subtopic = "playmat";

            string subscription = "playmat.listener";

            var azureServiceBus = Bus.Factory.CreateUsingAzureServiceBus(busconfig =>

            {

                // I intend to use this for publish message

                busconfig.Message<Balance>(configTopology =>

                {

                    configTopology.SetEntityName(pubtopic);

                });

                busconfig.Host(connectstr);

                //consume subscriptions from other topics 

                busconfig.SubscriptionEndpoint(subscription, subtopic, configurator =>

                {

                    configurator.Consumer<TransferConsumer>();

                });

            });

            // Add MassTransit

            services.AddMassTransit(config =>

            {

                config.AddBus(provider => azureServiceBus);

            });

            services.AddSingleton<IHostedService, BusHostedService>();

            services.AddSingleton<IPublishEndpoint>(azureServiceBus);

            services.AddSingleton<IBus>(azureServiceBus);

        }

thanks 

Simon

[Chris Patterson]

I'd suggest you look at current examples, as creating the bus separately and then using AddBus is just wrong. Also, use the MassTransit.AspNetCore package which includes the MassTransitHostedService, and properly configures your container. 

Also, I'd suggest using one of the recommended support platforms: https://masstransit-project.com/learn/

Good luck.

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[simon_ore]

Hi Chris,

Thanks for the help, the documentation is clear on this, I was rather looking into some outdated tutorials. I can see MassTransit is growing very fast, you guys are doing a great job, congratulations.

thanks