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mLine 15:
Line 15: − == Client code example == − <pre> − #include <winsock2.h> − #include <ws2tcpip.h> − #include <stdlib.h> − #include <stdio.h> − − // Need to link with Ws2_32.lib, Mswsock.lib, and Advapi32.lib − − #define DEFAULT_BUFLEN 512 − #define DEFAULT_PORT "27015" − − int __cdecl main(int argc, char **argv) − { − WSADATA wsaData; − SOCKET ConnectSocket = INVALID_SOCKET; − struct addrinfo *result = NULL, − *ptr = NULL, − hints; − char *sendbuf = "this is a test"; − char recvbuf[DEFAULT_BUFLEN]; − int iResult; − int recvbuflen = DEFAULT_BUFLEN; − − // Validate the parameters − if (argc != 2) { − printf("usage: %s server-name\n", argv[0]); − return 1; − } − − // Initialize Winsock − iResult = WSAStartup(MAKEWORD(2,2), &wsaData); − if (iResult != 0) { − printf("WSAStartup failed: %d\n", iResult); − return 1; − } − − ZeroMemory( &hints, sizeof(hints) ); − hints.ai_family = AF_UNSPEC; − hints.ai_socktype = SOCK_STREAM; − hints.ai_protocol = IPPROTO_TCP; − − // Resolve the server address and port − iResult = getaddrinfo(argv[1], DEFAULT_PORT, &hints, &result); − if ( iResult != 0 ) { − printf("getaddrinfo failed: %d\n", iResult); − WSACleanup(); − return 1; − } − − // Attempt to connect to an address until one succeeds − for(ptr=result; ptr != NULL ;ptr=ptr->ai_next) { − − // Create a SOCKET for connecting to server − ConnectSocket = socket(ptr->ai_family, ptr->ai_socktype, − ptr->ai_protocol); − if (ConnectSocket == INVALID_SOCKET) { − printf("Error at socket(): %ld\n", WSAGetLastError()); − freeaddrinfo(result); − WSACleanup(); − return 1; − } − − // Connect to server. − iResult = connect( ConnectSocket, ptr->ai_addr, (int)ptr->ai_addrlen); − if (iResult == SOCKET_ERROR) { − closesocket(ConnectSocket); − ConnectSocket = INVALID_SOCKET; − continue; − } − break; − } − − freeaddrinfo(result); − − if (ConnectSocket == INVALID_SOCKET) { − printf("Unable to connect to server!\n"); − WSACleanup(); − return 1; − } − − // Send an initial buffer − iResult = send( ConnectSocket, sendbuf, (int)strlen(sendbuf), 0 ); − if (iResult == SOCKET_ERROR) { − printf("send failed: %d\n", WSAGetLastError()); − closesocket(ConnectSocket); − WSACleanup(); − return 1; − } − − printf("Bytes Sent: %ld\n", iResult); − − // shutdown the connection since no more data will be sent − iResult = shutdown(ConnectSocket, SD_SEND); − if (iResult == SOCKET_ERROR) { − printf("shutdown failed: %d\n", WSAGetLastError()); − closesocket(ConnectSocket); − WSACleanup(); − return 1; − } − − // Receive until the peer closes the connection − do { − − iResult = recv(ConnectSocket, recvbuf, recvbuflen, 0); − if ( iResult > 0 ) − printf("Bytes received: %d\n", iResult); − else if ( iResult == 0 ) − printf("Connection closed\n"); − else − printf("recv failed: %d\n", WSAGetLastError()); − − } while( iResult > 0 ); − − // cleanup − closesocket(ConnectSocket); − WSACleanup(); − − return 0; − } − </pre>
Reverted edits by ReUser (Talk); changed back to last version by UaSsAu
</pre>
</pre>
==See Also==
==See Also==
:[http://gcc.gnu.org/ Free compiler]
:[http://gcc.gnu.org/ Free compiler]