| 8 | |
| 9 | namespace NNetlibaSocket { |
| 10 | void* CreateTos(const ui8 tos, void* buffer) { |
| 11 | #ifdef _win_ |
| 12 | *(int*)buffer = (int)tos; |
| 13 | #else |
| 14 | // glibc bug: http://sourceware.org/bugzilla/show_bug.cgi?id=13500 |
| 15 | memset(buffer, 0, TOS_BUFFER_SIZE); |
| 16 | |
| 17 | msghdr dummy; |
| 18 | Zero(dummy); |
| 19 | dummy.msg_control = buffer; |
| 20 | dummy.msg_controllen = TOS_BUFFER_SIZE; |
| 21 | |
| 22 | // TODO: in FreeBSD setting TOS for dual stack sockets does not affect ipv4 frames |
| 23 | cmsghdr* cmsg = CMSG_FIRSTHDR(&dummy); |
| 24 | cmsg->cmsg_level = IPPROTO_IPV6; |
| 25 | cmsg->cmsg_type = IPV6_TCLASS; |
| 26 | cmsg->cmsg_len = CMSG_LEN(sizeof(int)); |
| 27 | memcpy(CMSG_DATA(cmsg), &tos, sizeof(tos)); // memcpy shut ups alias restrict warning |
| 28 | |
| 29 | Y_ASSERT(CMSG_NXTHDR(&dummy, cmsg) == nullptr); |
| 30 | #endif |
| 31 | return buffer; |
| 32 | } |
| 33 | |
| 34 | TMsgHdr* AddSockAuxData(TMsgHdr* header, const ui8 tos, const sockaddr_in6& myAddr, void* buffer, size_t bufferSize) { |
| 35 | #ifdef _win_ |