#include <nng/nng.h>
#include <nng/supplemental/http/http.h>
int nng_http_handler_set_data(nng_http_handler *handler, void *data,
void (*dtor)(void *));
This documentation is for version v1.7.2 of NNG, but the latest released version is v1.8.0. see the documentation for v1.8.0 for the most up-to-date information. |
nng_http_handler_set_data(3http)
NAME
nng_http_handler_set_data - set extra data for HTTP handler
SYNOPSIS
DESCRIPTION
The nng_http_handler_set_data()
function is used to set an additional
data for the handler.
The stored data can be retrieved later in the handler function using
nng_http_handler_get_data()
.
Additionally, when the handler is deallocated, if dtor is not NULL
,
then it will be called with data as its argument.
The intended use of
this function is deallocate any resources associated with data.
RETURN VALUES
This function returns 0 on success, and non-zero otherwise.
ERRORS
NNG_ENOMEM
|
Insufficient free memory to perform the operation. |
NNG_ENOTSUP
|
No support for HTTP in the library. |