| 21 | } |
| 22 | |
| 23 | int BroadCastClient::init () |
| 24 | { |
| 25 | if (wsa_initialized) |
| 26 | { |
| 27 | return (int)BroadCastClientReturnCodes::SOCKET_ALREADY_CREATED_ERROR; |
| 28 | } |
| 29 | WSADATA wsadata; |
| 30 | int res = WSAStartup (MAKEWORD (2, 2), &wsadata); |
| 31 | if (res != 0) |
| 32 | { |
| 33 | return (int)BroadCastClientReturnCodes::WSA_STARTUP_ERROR; |
| 34 | } |
| 35 | wsa_initialized = true; |
| 36 | socket_addr.sin_family = AF_INET; |
| 37 | socket_addr.sin_port = htons (port); |
| 38 | socket_addr.sin_addr.s_addr = htonl (INADDR_ANY); |
| 39 | connect_socket = socket (AF_INET, SOCK_DGRAM, IPPROTO_UDP); |
| 40 | if (connect_socket == INVALID_SOCKET) |
| 41 | { |
| 42 | return (int)BroadCastClientReturnCodes::CREATE_SOCKET_ERROR; |
| 43 | } |
| 44 | |
| 45 | // ensure that library will not hang in blocking recv/send call |
| 46 | DWORD timeout = 5000; |
| 47 | setsockopt (connect_socket, SOL_SOCKET, SO_RCVTIMEO, (char *)&timeout, sizeof (timeout)); |
| 48 | setsockopt (connect_socket, SOL_SOCKET, SO_SNDTIMEO, (char *)&timeout, sizeof (timeout)); |
| 49 | DWORD broadcast = 1; |
| 50 | setsockopt (connect_socket, SOL_SOCKET, SO_BROADCAST, (char *)&broadcast, sizeof (broadcast)); |
| 51 | if (bind (connect_socket, (const struct sockaddr *)&socket_addr, sizeof (socket_addr)) != 0) |
| 52 | { |
| 53 | return (int)BroadCastClientReturnCodes::INIT_ERROR; |
| 54 | } |
| 55 | |
| 56 | return (int)BroadCastClientReturnCodes::STATUS_OK; |
| 57 | } |
| 58 | |
| 59 | int BroadCastClient::recv (void *data, int size) |
| 60 | { |
nothing calls this directly
no outgoing calls
no test coverage detected