gin-sse-example

An example of Server-Sent-Events (SSE) in Gin web framework.

This simple example demonstrates how to send messages to clients via SSE. Each client can receive only messages for specific subscription topic.

Get messages for subscription topic A

curl -N http://localhost:3000/subscription/topic%20A

Output:

event:topic A
data:the time is 2021-05-10 17:56:15.507041755 +0300 IDT m=+16.008224208

event:topic A
data:the time is 2021-05-10 17:56:17.507907319 +0300 IDT m=+18.009089817

^C

Get messages for subscription topic B

curl -N http://localhost:3000/subscription/topic%20B

Output:

event:topic B
data:the UTC time is 2021-05-10 14:56:06.008682785 +0000 UTC

event:topic B
data:the UTC time is 2021-05-10 14:56:06.508988191 +0000 UTC

event:topic B
data:the UTC time is 2021-05-10 14:56:07.009543841 +0000 UTC

event:topic B
data:the UTC time is 2021-05-10 14:56:07.510074822 +0000 UTC

event:topic B
data:the UTC time is 2021-05-10 14:56:08.010339837 +0000 UTC

^C