ETag implementation using libEspHttpd

[Deepak saini]

Hi Team,
I wanted to implement ETag web caching feature. The http library I am using is libesphttpd. I have read about web caching fundamentals from internet. But I can't able to understand where to start this Etag implementation using this library.

Please help me in this regards..

Regards
Deepak

[PeterR]

I have not used libEspHttp/ETag before but RTFM suggests that ETag is a simple header with a key value which you updated when you webpage changes (not sure why this helps, MQTT/Websockets could handle dynamic content). Try:

Code: Select all

httpdHeader(connData, HeaderKey, HeaderValue);