cowboy_handler:terminate(3)

Name

cowboy_handler:terminate - Terminate the handler

terminate(Reason, Req | undefined, State, Handler) -> ok

Reason  :: any()
Req     :: cowboy_req:req()
State   :: any()
Handler :: module()

Call the optional terminate callback if it is defined.

Make sure to use this function at the end of the execution of modules that implement custom handler behaviors.

Reason: Reason for termination.
Req: The Req object.

It is possible to pass undefined if the handler has no concept of requests/responses and discarded the Req object before calling this function.
State: Handler state.
Handler: Handler module.

The atom ok is always returned. It can be safely ignored.

Terminate a handler normally

cowboy_handler:terminate(normal, Req, State, Handler).