/* Compare media descriptor */
PJ_DEF(pj_status_t) pjmedia_sdp_media_cmp( const pjmedia_sdp_media *sd1,
const pjmedia_sdp_media *sd2,
unsigned option)
{
unsigned i;
pj_status_t status;
PJ_ASSERT_RETURN(sd1 && sd2 && option==0, PJ_EINVAL);
PJ_UNUSED_ARG(option);
/* Compare media type. */
if (pj_strcmp(&sd1->desc.media, &sd2->desc.media) != 0)
return PJMEDIA_SDP_EMEDIANOTEQUAL;
/* Compare port number. */
if (sd1->desc.port != sd2->desc.port)
return PJMEDIA_SDP_EPORTNOTEQUAL;
/* Compare port count. */
if (sd1->desc.port_count != sd2->desc.port_count)
return PJMEDIA_SDP_EPORTNOTEQUAL;
/* Compare transports. */
if (pj_strcmp(&sd1->desc.transport, &sd2->desc.transport) != 0)
return PJMEDIA_SDP_ETPORTNOTEQUAL;
/* For zeroed port media, stop comparing here */
if (sd1->desc.port == 0)
return PJ_SUCCESS;
/* Compare number of formats. */
if (sd1->desc.fmt_count != sd2->desc.fmt_count)
return PJMEDIA_SDP_EFORMATNOTEQUAL;
/* Compare formats, in order. */
for (i=0; i<sd1->desc.fmt_count; ++i) {
if (pj_strcmp(&sd1->desc.fmt[i], &sd2->desc.fmt[i]) != 0)
return PJMEDIA_SDP_EFORMATNOTEQUAL;
}
/* Compare connection line, if they exist. */
if (sd1->conn) {
if (!sd2->conn)
return PJMEDIA_SDP_EMEDIANOTEQUAL;
status = compare_conn(sd1->conn, sd2->conn);
} else {
if (sd2->conn)
return PJMEDIA_SDP_EMEDIANOTEQUAL;
}
/* Compare attributes. */
status = compare_attr(sd1->attr_count, sd1->attr,
sd2->attr_count, sd2->attr);
if (status != PJ_SUCCESS)
return status;
/* Looks equal */
return PJ_SUCCESS;
}
PJ_DEF(pj_status_t) pjmedia_sdp_conn_cmp(const pjmedia_sdp_conn *conn1,
const pjmedia_sdp_conn *conn2,
unsigned option)
{
PJ_UNUSED_ARG(option);
return compare_conn(conn1, conn2);
}
/*
* Compare two SDP session for equality.
*/
PJ_DEF(pj_status_t) pjmedia_sdp_session_cmp( int inst_id,
const pjmedia_sdp_session *sd1,
const pjmedia_sdp_session *sd2,
unsigned option)
{
unsigned i;
pj_status_t status;
PJ_ASSERT_RETURN(sd1 && sd2 && option==0, PJ_EINVAL);
PJ_UNUSED_ARG(option);
/* Compare the origin line. */
if (pj_strcmp(&sd1->origin.user, &sd2->origin.user) != 0)
return PJMEDIA_SDP_EORIGINNOTEQUAL;
if (sd1->origin.id != sd2->origin.id)
return PJMEDIA_SDP_EORIGINNOTEQUAL;
if (sd1->origin.version != sd2->origin.version)
return PJMEDIA_SDP_EORIGINNOTEQUAL;
if (pj_strcmp(&sd1->origin.net_type, &sd2->origin.net_type) != 0)
return PJMEDIA_SDP_EORIGINNOTEQUAL;
if (pj_strcmp(&sd1->origin.addr_type, &sd2->origin.addr_type) != 0)
return PJMEDIA_SDP_EORIGINNOTEQUAL;
if (pj_strcmp(&sd1->origin.addr, &sd2->origin.addr) != 0)
return PJMEDIA_SDP_EORIGINNOTEQUAL;
/* Compare the subject line. */
if (pj_strcmp(&sd1->name, &sd2->name) != 0)
return PJMEDIA_SDP_ENAMENOTEQUAL;
/* Compare connection line, when they exist */
if (sd1->conn) {
if (!sd2->conn)
return PJMEDIA_SDP_ECONNNOTEQUAL;
status = compare_conn(sd1->conn, sd2->conn);
if (status != PJ_SUCCESS)
return status;
} else {
if (sd2->conn)
return PJMEDIA_SDP_ECONNNOTEQUAL;
}
/* Compare time line. */
if (sd1->time.start != sd2->time.start)
return PJMEDIA_SDP_ETIMENOTEQUAL;
if (sd1->time.stop != sd2->time.stop)
return PJMEDIA_SDP_ETIMENOTEQUAL;
/* Compare attributes. */
status = compare_attr(inst_id, sd1->attr_count, sd1->attr,
sd2->attr_count, sd2->attr);
if (status != PJ_SUCCESS)
return status;
/* Compare media lines. */
if (sd1->media_count != sd2->media_count)
return PJMEDIA_SDP_EMEDIANOTEQUAL;
for (i=0; i<sd1->media_count; ++i) {
status = pjmedia_sdp_media_cmp(inst_id, sd1->media[i], sd2->media[i], 0);
if (status != PJ_SUCCESS)
return status;
}
/* Looks equal. */
return PJ_SUCCESS;
}