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CC-Tweaked/doc/events/http_failure.md
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module: [kind=event] http_failure see: http.request To send an HTTP request.

The [http_failure] event is fired when an HTTP request fails.

This event is normally handled inside [http.get] and [http.post], but it can still be seen when using [http.request].

Return Values

  1. [string]: The event name.
  2. [string]: The URL of the site requested.
  3. [string]: An error describing the failure.
  4. [http.Response]|[nil]: A response handle if the connection succeeded, but the server's response indicated failure.

Example

Prints an error why the website cannot be contacted:

local myURL = "https://does.not.exist.tweaked.cc"
http.request(myURL)
local event, url, err
repeat
    event, url, err = os.pullEvent("http_failure")
until url == myURL
print("The URL " .. url .. " could not be reached: " .. err)

Prints the contents of a webpage that does not exist:

local myURL = "https://tweaked.cc/this/does/not/exist"
http.request(myURL)
local event, url, err, handle
repeat
    event, url, err, handle = os.pullEvent("http_failure")
until url == myURL
print("The URL " .. url .. " could not be reached: " .. err)
print(handle.getResponseCode())
handle.close()