This documentation is for the TIP (development tree) of NNG and may represent unreleased changes or functionality that is experimental, and is subject to change before release. The latest released version is v1.8.0. See the documentation for v1.8.0 for the most up-to-date information.

nng_stream_listener_alloc(3str)

NAME

nng_stream_listener_alloc - allocate byte stream listener

SYNOPSIS

#include <nng/nng.h>

int nng_stream_listener_alloc(nng_stream_listener **lp, const char *addr);

int nng_stream_listener_alloc_url(nng_stream_listener **lp, const nng_url *url);

DESCRIPTION

These functions allocates a listener for byte streams. Listeners create nng_stream objects by accepting incoming connections, via the nng_stream_listener_accept() function.

The first form, nng_stream_listener_alloc(), connects to the address specified by addr, which should be a string representing a URL.

The second form, nng_stream_listener_alloc_url(), takes a pre-parsed or pre-constructed nng_url object to determine the remote address.

These functions may support different URL schemes, such as ipc://, tcp://, tls+tcp://, or ws://.

Both forms store the listener in the location referenced by lp.

RETURN VALUES

These functions return 0 on success, and non-zero otherwise.

ERRORS

`NNG_ENOMEM`	Insufficient free memory exists.
`NNG_ENOTSUP`	The URL scheme is not supported by the implementation.
`NNG_EADDRINVAL`	The URL requested is invalid.