| 84 | } |
| 85 | |
| 86 | static bool ParseInetName(TUdpAddress* pRes, const char* name, int nDefaultPort, EUdpAddressType addressType) { |
| 87 | int nPort = nDefaultPort; |
| 88 | |
| 89 | TString host; |
| 90 | if (name[0] == '[') { |
| 91 | ++name; |
| 92 | const char* nameFin = name; |
| 93 | for (; *nameFin; ++nameFin) { |
| 94 | if (nameFin[0] == ']') |
| 95 | break; |
| 96 | } |
| 97 | host.assign(name, nameFin); |
| 98 | Y_ASSERT(IsValidIPv6(host.c_str())); |
| 99 | name = *nameFin ? nameFin + 1 : nameFin; |
| 100 | if (name[0] == ':') { |
| 101 | char* endPtr = nullptr; |
| 102 | nPort = strtol(name + 1, &endPtr, 10); |
| 103 | if (!endPtr || *endPtr != '\0') |
| 104 | return false; |
| 105 | } |
| 106 | } else { |
| 107 | host = name; |
| 108 | if (!IsValidIPv6(name)) { |
| 109 | size_t nIdx = host.find(':'); |
| 110 | if (nIdx != (size_t)TString::npos) { |
| 111 | const char* pszPort = host.c_str() + nIdx + 1; |
| 112 | char* endPtr = nullptr; |
| 113 | nPort = strtol(pszPort, &endPtr, 10); |
| 114 | if (!endPtr || *endPtr != '\0') |
| 115 | return false; |
| 116 | host.resize(nIdx); |
| 117 | } |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | addrinfo aiHints; |
| 122 | Zero(aiHints); |
| 123 | aiHints.ai_family = AF_UNSPEC; |
| 124 | aiHints.ai_socktype = SOCK_DGRAM; |
| 125 | aiHints.ai_protocol = IPPROTO_UDP; |
| 126 | |
| 127 | // Do not use TMutex here: it has a non-trivial destructor which will be called before |
| 128 | // destruction of current thread, if its TThread declared as global/static variable. |
| 129 | static TAdaptiveLock cs; |
| 130 | TGuard lock(cs); |
| 131 | |
| 132 | addrinfo* aiList = nullptr; |
| 133 | for (int attempt = 0; attempt < 1000; ++attempt) { |
| 134 | int rv = getaddrinfo(host.c_str(), "1313", &aiHints, &aiList); |
| 135 | if (rv == 0) |
| 136 | break; |
| 137 | if (aiList) { |
| 138 | freeaddrinfo(aiList); |
| 139 | } |
| 140 | if (rv != EAI_AGAIN) { |
| 141 | return false; |
| 142 | } |
| 143 | usleep(100 * 1000); |
no test coverage detected