Function ehttp::fetch

source · 
pub fn fetch(
    request: Request,
    on_done: impl 'static + Send + FnOnce(Result<Response>)
)
Expand description

Performs an HTTP request and calls the given callback when done.

Ok is returned if we get a response, even if it’s a 404.

Err can happen for a number of reasons:

  • No internet connection
  • DNS resolution failed
  • Firewall or proxy blocked the request
  • Server is not reachable
  • The URL is invalid
  • Server’s SSL cert is invalid
  • CORS errors
  • The initial GET which returned HTML contained CSP headers to block access to the resource
  • A browser extension blocked the request (e.g. ad blocker)
  • …