This sample is intended to help understand how to write SSE applications that broadcast events to multiple clients.
In this sample, a remote client would register (GET) with the ChatResource - this establishes an SSE connection - and then clients could send (PUT) a message.
The ChatResource would then broadcast that message to all registered clients.
To run this sample, first download or clone this repo - to clone:
git clone git@github.com:OpenLiberty/sample-sse-chat.git
From inside the sample-sse-chat directory, build and start the application in Open Liberty with the following command:
mvn clean package liberty:run-server
The server will listen on port 9080 by default. You can change the port (for example, to port 9081) by adding mvn clean package liberty:run-server -DtestServerHttpPort=9081 to the end of the Maven command.
After the server has started, you should see some output like this:
At this point, you can enter the following URL into your browser:
http://localhost:9080/SseChatSample/index.html
I recommend connecting with multiple browsers, so that you can have a conversation like this one:
Note that SSEs do not work in all browsers. Consult Wikipedia for more information on browsers that support SSEs.
Press Ctrl-C from the command line to stop the server.
Please take a look at the source code that makes this possible. If you run into any problems with the sample, please let us know by opening a new issue.
Thanks!