In Ballerina a listener represents an an endpoint with required configs to start a server. Caller represents the connection. The listener accepts incoming connection requests (similar to the ‘listening socket’) and the actual connection that is created from it (that is the ‘connected socket’) is the caller. http:Listener is used to listen for WebSocket requests […]
WebSocket support in Ballerina has been implemented in a reactive manner. The client and the server, both listen for messages and act on them as they are received. Both require defining a service and messages are received by the resources in these services. The resources in a WebSocket service have predefined structure and implementation of […]
There are multiple ways to secure Ballerina services. This tutorial describes how to do basic authentication in Ballerina with a config file. The tutorial focuses on two services one is an internal hidden service and the other is exposed to the external users. The exposed service is secured by authentication while the internal service is […]
Please note that this is now outdated with Ballerina 1.0.0 and JMS connector is found as wso2/jms A tutorial on configuring Ballerina JMS and RabbitMQ to work together. This is basically about configuring a JMS application and RabbitMQ to work together. https://youtu.be/y51qYvCuIkA Find the resources and commands used in this tutorials: http://bit.ly/BallerinaRabbitMQ Subscribe to my […]
The problem that most of us have is that when we are members of several organizations and teams in github one tend to get all the notifications to their inbox. This is cumbersome. One might have created filters to archive/delete these emails or might have left them in the inbox of an unused email totally […]
In this tutorial let us see how easy it is to create a basic WebSocket server using Ballerina. Here, the details of each resource is explained and their use is demonstrated via an echo server. Watch in Full HD for better understanding. Find the code used in the tutorial: http://bit.ly/websocket2 Subscribe to my channel: […]
It is essential to find a client to test your WebSocket server. This tutorial describes the complete process of testing a WebSocket compliant server written in any language using a JavaScript client. I demonstrate how to do this using both Firefox and Chrome console. You can also follow the same steps to write JavaScript code […]
In a previous tutorial(https://youtu.be/X62oF796eQM) we saw how to install IBM Websphere MQ on Ubuntu (Linux). Due to some reason if you need to uninstall it from you machine this tutorial explains the details on uninstalling IBM Websphere MQ from Ubuntu (Linux). Find the commands used in this tutorial: https://goo.gl/MXKJMp
In the previous tutorial we saw how to publish and subscribe to a queue in IBM MQ using WSO2 ESB/EI. This tutorial is generic and could be used with any message broker. In this case I continue from the previous tutorial to show how to give feedback to the client on the delivery or the […]
This is a comprehensive demo on how to configure IBM Websphere MQ with WSO2 ESB (EI). The demo is done in Ubuntu environment, but is also applicable for other environments as well. This tutorial goes from creating the queue manager, a channel and the .bindings file to creating a sender and listener proxies. Find in […]
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