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/**
* @file mnat.c Media NAT
*
* Copyright (C) 2010 Creytiv.com
*/
#include <re.h>
#include <baresip.h>
#include "core.h"
static struct list mnatl = LIST_INIT;
static void destructor(void *arg)
{
struct mnat *mnat = arg;
list_unlink(&mnat->le);
}
/**
* Register a Media NAT traversal module
*
* @param mnatp Pointer to allocated Media NAT traversal module
* @param id Media NAT Identifier
* @param ftag SIP Feature tag (optional)
* @param sessh Session allocation handler
* @param mediah Media allocation handler
* @param updateh Update handler
*
* @return 0 if success, otherwise errorcode
*/
int mnat_register(struct mnat **mnatp, const char *id, const char *ftag,
mnat_sess_h *sessh, mnat_media_h *mediah,
mnat_update_h *updateh)
{
struct mnat *mnat;
if (!mnatp || !id || !sessh || !mediah)
return EINVAL;
mnat = mem_zalloc(sizeof(*mnat), destructor);
if (!mnat)
return ENOMEM;
list_append(&mnatl, &mnat->le, mnat);
mnat->id = id;
mnat->ftag = ftag;
mnat->sessh = sessh;
mnat->mediah = mediah;
mnat->updateh = updateh;
info("medianat: %s\n", id);
*mnatp = mnat;
return 0;
}
/**
* Find a Media NAT module by name
*
* @param id Name of the Media NAT module to find
*
* @return Matching Media NAT module if found, otherwise NULL
*/
const struct mnat *mnat_find(const char *id)
{
struct mnat *mnat;
struct le *le;
for (le=mnatl.head; le; le=le->next) {
mnat = le->data;
if (str_casecmp(mnat->id, id))
continue;
return mnat;
}
return NULL;
}
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