cowboy_handler:terminate(3)

Name

cowboy_handler:terminate - Terminate the handler

Description

terminate(Reason, PartialReq, State, Handler) -> ok

Reason     :: any()
PartialReq :: map()
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.

Arguments

Reason

Reason for termination.

PartialReq

The Req object.

It is possible to remove fields from the Req object to save memory when the handler has no concept of requests/responses. The only requirement is that a map is provided.

State

Handler state.

Handler

Handler module.

Return value

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

Changelog

  • 2.0: Function introduced.

Examples

Terminate a handler normally
cowboy_handler:terminate(normal, Req, State, Handler).

See also

cowboy_handler(3)

Cowboy 2.5 Function Reference

Navigation

Version select

Like my work? Donate!

Donate to Loïc Hoguin because his work on Cowboy, Ranch, Gun and Erlang.mk is fantastic:

Recurring payment options are also available via GitHub Sponsors. These funds are used to cover the recurring expenses like food, dedicated servers or domain names.