483       RTC_DCHECK(!sock_);  in SetDtlsTransport()
524   RTC_DCHECK(!sock_);  in Start()
626   if (!sock_) {  in SendMessageInternal()
658       sock_, message->data(), message->size(), NULL, 0, &spa,  in SendMessageInternal()
713   RTC_DCHECK(!sock_);  in Connect()
714   if (sock_) {  in Connect()
730   if (usrsctp_bind(sock_, reinterpret_cast<sockaddr*>(&local_sconn),  in Connect()
741       sock_, reinterpret_cast<sockaddr*>(&remote_sconn), sizeof(remote_sconn));  in Connect()
758   if (usrsctp_setsockopt(sock_, IPPROTO_SCTP, SCTP_PEER_ADDR_PARAMS, &params,  in Connect()
772   if (sock_) {  in OpenSctpSocket()
786   sock_ = usrsctp_socket(  in OpenSctpSocket()
789   if (!sock_) {  in OpenSctpSocket()
798     usrsctp_close(sock_);  in OpenSctpSocket()
799     sock_ = nullptr;  in OpenSctpSocket()
812   RTC_DCHECK(sock_);  in ConfigureSctpSocket()
815   if (usrsctp_set_non_blocking(sock_, 1) < 0) {  in ConfigureSctpSocket()
828   if (usrsctp_setsockopt(sock_, SOL_SOCKET, SO_LINGER, &linger_opt,  in ConfigureSctpSocket()
840   if (usrsctp_setsockopt(sock_, IPPROTO_SCTP, SCTP_ENABLE_STREAM_RESET,  in ConfigureSctpSocket()
850   if (usrsctp_setsockopt(sock_, IPPROTO_SCTP, SCTP_NODELAY, &nodelay,  in ConfigureSctpSocket()
860   if (usrsctp_setsockopt(sock_, IPPROTO_SCTP, SCTP_EXPLICIT_EOR, &eor,  in ConfigureSctpSocket()
877     if (usrsctp_setsockopt(sock_, IPPROTO_SCTP, SCTP_EVENT, &event,  in ConfigureSctpSocket()
891   if (sock_) {  in CloseSctpSocket()
895     usrsctp_close(sock_);  in CloseSctpSocket()
896     sock_ = nullptr;  in CloseSctpSocket()
941       usrsctp_setsockopt(sock_, IPPROTO_SCTP, SCTP_RESET_STREAMS, resetp,  in SendQueuedStreamResets()
1024   if (sock_) {  in OnPacketRead()