/*
* sipsdp_src_dest_create()
*
* Allocates and initializes a SRC and/or DEST SDP. If the sdp_info
* structure has not yet been allocated, it is allocated here.
*
* Input:
* flags - bitmask indicating if src and/or dest sdp should be
* created
*
* Returns: pointer to SIP SDP structure - if successful
* NULL - failure to allocate storage
*/
void
sipsdp_src_dest_create (const char *peerconnection,
uint16_t flags, cc_sdp_t **sdp_info)
{
if (!(*sdp_info)) {
*sdp_info = sipsdp_info_create();
if (!(*sdp_info)) {
return;
}
}
/* Create the SRC and/or DEST SDP */
if (flags & CCSIP_SRC_SDP_BIT) {
(*sdp_info)->src_sdp = sipsdp_create(peerconnection);
if (!((*sdp_info)->src_sdp)) {
sipsdp_src_dest_free(flags, sdp_info);
return;
}
}
if (flags & CCSIP_DEST_SDP_BIT) {
(*sdp_info)->dest_sdp = sipsdp_create(peerconnection);
if (!((*sdp_info)->dest_sdp)) {
sipsdp_src_dest_free(flags, sdp_info);
return;
}
}
}
/*
* sipsdp_create_from_buf()
*
* Parse buffer into common SDP structure
*
* Returns: NULL if non-recoverable error encountered
*
*/
cc_sdp_t *
sipsdp_create_from_buf (char *buf, uint32_t nbytes, cc_sdp_t *sdp)
{
const char *fname = "sipsdp_create_from_buf";
cc_sdp_t *sip_info = NULL;
if (!buf) {
return (NULL);
}
if (sdp) {
sip_info = sdp;
} else {
sipsdp_src_dest_create(CCSIP_DEST_SDP_BIT | CCSIP_SRC_SDP_BIT,
&sip_info);
}
if (!sip_info) {
/*
* make sure that the src_sdp and dest_sdp are
* valid as well.
*/
return (NULL);
}
if (sdp_parse(sip_info->dest_sdp, &buf, (uint16_t)nbytes) != SDP_SUCCESS) {
sipsdp_src_dest_free(CCSIP_DEST_SDP_BIT | CCSIP_SRC_SDP_BIT,
&sip_info);
CCSIP_DEBUG_ERROR(SIP_F_PREFIX"Error parsing SDP\n", fname);
return (NULL);
}
return (sip_info);
}
