/* Function: sdp_validate_sdp
* Description: Validate an SDP structure.
* Parameters: sdp_p The SDP handle of the struct to validate.
* Returns: A result value indicating if the validation was successful.
* If not, what type of error was encountered.
*/
sdp_result_e sdp_validate_sdp (sdp_t *sdp_p)
{
int i;
u16 num_media_levels;
/* Need to validate c= info is specified at session level or
* at all m= levels.
*/
if (sdp_connection_valid((void *)sdp_p, SDP_SESSION_LEVEL) == FALSE) {
num_media_levels = sdp_get_num_media_lines((void *)sdp_p);
for (i=1; i <= num_media_levels; i++) {
if (sdp_connection_valid((void *)sdp_p, (unsigned short)i) == FALSE) {
sdp_parse_error(sdp_p->peerconnection,
"%s c= connection line not specified for "
"every media level, validation failed.",
sdp_p->debug_str);
return (SDP_FAILURE);
}
}
}
/* Validate required lines were specified */
if ((sdp_owner_valid((void *)sdp_p) == FALSE) &&
(sdp_p->conf_p->owner_reqd == TRUE)) {
sdp_parse_error(sdp_p->peerconnection,
"%s o= owner line not specified, validation failed.",
sdp_p->debug_str);
return (SDP_FAILURE);
}
if ((sdp_session_name_valid((void *)sdp_p) == FALSE) &&
(sdp_p->conf_p->session_name_reqd == TRUE)) {
sdp_parse_error(sdp_p->peerconnection,
"%s s= session name line not specified, validation failed.",
sdp_p->debug_str);
return (SDP_FAILURE);
}
if ((sdp_timespec_valid((void *)sdp_p) == FALSE) &&
(sdp_p->conf_p->timespec_reqd == TRUE)) {
sdp_parse_error(sdp_p->peerconnection,
"%s t= timespec line not specified, validation failed.",
sdp_p->debug_str);
return (SDP_FAILURE);
}
return (SDP_SUCCESS);
}
bool
SipccSdpMediaSection::LoadConnection(sdp_t* sdp, uint16_t level,
SdpErrorHolder& errorHolder)
{
if (!sdp_connection_valid(sdp, level)) {
level = SDP_SESSION_LEVEL;
if (!sdp_connection_valid(sdp, level)) {
errorHolder.AddParseError(sdp_get_media_line_number(sdp, level),
"Missing c= line");
return false;
}
}
sdp_nettype_e type = sdp_get_conn_nettype(sdp, level);
if (type != SDP_NT_INTERNET) {
errorHolder.AddParseError(sdp_get_media_line_number(sdp, level),
"Unsupported network type");
return false;
}
sdp::AddrType addrType;
switch (sdp_get_conn_addrtype(sdp, level)) {
case SDP_AT_IP4:
addrType = sdp::kIPv4;
break;
case SDP_AT_IP6:
addrType = sdp::kIPv6;
break;
default:
errorHolder.AddParseError(sdp_get_media_line_number(sdp, level),
"Unsupported address type");
return false;
}
std::string address = sdp_get_conn_address(sdp, level);
int16_t ttl = static_cast<uint16_t>(sdp_get_mcast_ttl(sdp, level));
if (ttl < 0) {
ttl = 0;
}
int32_t numAddr =
static_cast<uint32_t>(sdp_get_mcast_num_of_addresses(sdp, level));
if (numAddr < 0) {
numAddr = 0;
}
mConnection = MakeUnique<SdpConnection>(addrType, address, ttl, numAddr);
return true;
}
