// sock.cpp #include "stdafx.h" #include "sock.h" void sendtest() { cout << "sendtest\n"; SockAddr me(27016); SockAddr dest("127.0.0.1", 27015); UDPConnection c; if( c.init(me) ) { char buf[256]; cout << "sendto: "; cout << c.sendto(buf, sizeof(buf), dest) << " errno:" << h_errno << endl; } cout << "end\n"; } void listentest() { cout << "listentest\n"; SockAddr me(27015); SockAddr sender; UDPConnection c; if( c.init(me) ) { char buf[256]; cout << "recvfrom: "; cout << c.recvfrom(buf, sizeof(buf), sender) << " errno:" << h_errno << endl; } cout << "end listentest\n"; } void xmain(); struct SockStartupTests { SockStartupTests() { #if defined(_WIN32) WSADATA d; if( WSAStartup(MAKEWORD(2,2), &d) != 0 ) { cout << "ERROR: wsastartup failed " << errno << endl; exit(1); } #endif //cout << "ntohl:" << ntohl(256) << endl; //sendtest(); //listentest(); } } sstests; #if 0 void smain() { WSADATA wsaData; SOCKET RecvSocket; sockaddr_in RecvAddr; int Port = 27015; char RecvBuf[1024]; int BufLen = 1024; sockaddr_in SenderAddr; int SenderAddrSize = sizeof(SenderAddr); //----------------------------------------------- // Initialize Winsock WSAStartup(MAKEWORD(2,2), &wsaData); //----------------------------------------------- // Create a receiver socket to receive datagrams RecvSocket = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); //----------------------------------------------- // Bind the socket to any address and the specified port. RecvAddr.sin_family = AF_INET; RecvAddr.sin_port = htons(Port); RecvAddr.sin_addr.s_addr = htonl(INADDR_ANY); bind(RecvSocket, (SOCKADDR *) &RecvAddr, sizeof(RecvAddr)); //----------------------------------------------- // Call the recvfrom function to receive datagrams // on the bound socket. printf("Receiving datagrams...\n"); recvfrom(RecvSocket, RecvBuf, BufLen, 0, (SOCKADDR *)&SenderAddr, &SenderAddrSize); //----------------------------------------------- // Close the socket when finished receiving datagrams printf("Finished receiving. Closing socket.\n"); closesocket(RecvSocket); //----------------------------------------------- // Clean up and exit. printf("Exiting.\n"); WSACleanup(); return; } void xmain() { WSADATA wsaData; SOCKET RecvSocket; sockaddr_in RecvAddr; int Port = 27015; char RecvBuf[1024]; int BufLen = 1024; sockaddr_in SenderAddr; int SenderAddrSize = sizeof(SenderAddr); //----------------------------------------------- // Initialize Winsock WSAStartup(MAKEWORD(2,2), &wsaData); //----------------------------------------------- // Create a receiver socket to receive datagrams RecvSocket = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); //----------------------------------------------- // Bind the socket to any address and the specified port. RecvAddr.sin_family = AF_INET; RecvAddr.sin_port = htons(Port); RecvAddr.sin_addr.s_addr = htonl(INADDR_ANY); SockAddr a(Port); bind(RecvSocket, (SOCKADDR *) &a.sa, a.addressSize); // bind(RecvSocket, (SOCKADDR *) &RecvAddr, sizeof(RecvAddr)); SockAddr b; //----------------------------------------------- // Call the recvfrom function to receive datagrams // on the bound socket. printf("Receiving datagrams...\n"); recvfrom(RecvSocket, RecvBuf, BufLen, 0, (SOCKADDR *) &b.sa, &b.addressSize); // (SOCKADDR *)&SenderAddr, // &SenderAddrSize); //----------------------------------------------- // Close the socket when finished receiving datagrams printf("Finished receiving. Closing socket.\n"); closesocket(RecvSocket); //----------------------------------------------- // Clean up and exit. printf("Exiting.\n"); WSACleanup(); return; } #endif