/*
* sipsdp_free()
*
* Frees the SIP SDP structure, the contained common SDP structure,
* and each stream structure in the linked stream list.
*
* sip_sdp is set to NULL after being freed.
*/
void
sipsdp_free (cc_sdp_t **sip_sdp)
{
const char *fname = "sipsdp_free: ";
sdp_result_e sdp_ret;
if (!*sip_sdp) {
return;
}
if ((*sip_sdp)->src_sdp) {
sdp_ret = sdp_free_description((*sip_sdp)->src_sdp);
if (sdp_ret != SDP_SUCCESS) {
CCSIP_DEBUG_ERROR(SIP_F_PREFIX"%d while freeing src_sdp\n",
fname, sdp_ret);
}
}
if ((*sip_sdp)->dest_sdp) {
sdp_ret = sdp_free_description((*sip_sdp)->dest_sdp);
if (sdp_ret != SDP_SUCCESS) {
CCSIP_DEBUG_ERROR(SIP_F_PREFIX"%d while freeing dest_sdp\n",
fname, sdp_ret);
}
}
SDP_FREE(*sip_sdp);
}
/* Function: sdp_free_description
* Description: Free an SDP description and all memory associated with it.
* Parameters: sdp_p The SDP handle returned by sdp_init_description
* Returns: A result value indicating if the free was successful and
* if not, what type of error was encountered - e.g., sdp_p
* was invalid and didn't point to an SDP structure.
*/
sdp_result_e sdp_free_description (sdp_t *sdp_p)
{
sdp_timespec_t *time_p, *next_time_p;
sdp_attr_t *attr_p, *next_attr_p;
sdp_mca_t *mca_p, *next_mca_p;
sdp_bw_t *bw_p;
sdp_bw_data_t *bw_data_p;
if (sdp_verify_sdp_ptr(sdp_p) == FALSE) {
return (SDP_INVALID_SDP_PTR);
}
/* Free the config structure */
if (sdp_p->conf_p) {
SDP_FREE(sdp_p->conf_p);
}
/* Free any timespec structures - should be only one since
* this is all we currently support.
*/
time_p = sdp_p->timespec_p;
while (time_p != NULL) {
next_time_p = time_p->next_p;
SDP_FREE(time_p);
time_p = next_time_p;
}
bw_p = &(sdp_p->bw);
bw_data_p = bw_p->bw_data_list;
while (bw_data_p != NULL) {
bw_p->bw_data_list = bw_data_p->next_p;
SDP_FREE(bw_data_p);
bw_data_p = bw_p->bw_data_list;
}
/* Free any session attr structures */
attr_p = sdp_p->sess_attrs_p;
while (attr_p != NULL) {
next_attr_p = attr_p->next_p;
sdp_free_attr(attr_p);
attr_p = next_attr_p;
}
/* Free any mca structures */
mca_p = sdp_p->mca_p;
while (mca_p != NULL) {
next_mca_p = mca_p->next_p;
/* Free any media attr structures */
attr_p = mca_p->media_attrs_p;
while (attr_p != NULL) {
next_attr_p = attr_p->next_p;
sdp_free_attr(attr_p);
attr_p = next_attr_p;
}
/* Free the media profiles struct if allocated. */
if (mca_p->media_profiles_p != NULL) {
SDP_FREE(mca_p->media_profiles_p);
}
bw_p = &(mca_p->bw);
bw_data_p = bw_p->bw_data_list;
while (bw_data_p != NULL) {
bw_p->bw_data_list = bw_data_p->next_p;
SDP_FREE(bw_data_p);
bw_data_p = bw_p->bw_data_list;
}
SDP_FREE(mca_p);
mca_p = next_mca_p;
}
SDP_FREE(sdp_p);
return (SDP_SUCCESS);
}
