diff options
Diffstat (limited to 'src/osd/windows/winsocket.cpp')
-rw-r--r-- | src/osd/windows/winsocket.cpp | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/src/osd/windows/winsocket.cpp b/src/osd/windows/winsocket.cpp new file mode 100644 index 00000000000..0824967634c --- /dev/null +++ b/src/osd/windows/winsocket.cpp @@ -0,0 +1,209 @@ +// license:BSD-3-Clause +// copyright-holders:Aaron Giles +//============================================================ +// +// winsocket.c - Windows socket (inet) access functions +// +//============================================================ +// standard windows headers +#define WIN32_LEAN_AND_MEAN +#include <windows.h> +#include <winioctl.h> +#include <tchar.h> +#include <stdlib.h> +#include <ctype.h> + +// MAME headers +#include "osdcore.h" + +// MAMEOS headers +#include "strconv.h" +#include "winutil.h" +#include "winutf8.h" + +#include "winfile.h" + +const char *winfile_socket_identifier = "socket."; + +bool win_init_sockets() +{ + WSADATA wsaData; + WORD version; + int error; + + version = MAKEWORD( 2, 0 ); + + error = WSAStartup( version, &wsaData ); + + /* check for error */ + if ( error != 0 ) + { + /* error occurred */ + return FALSE; + } + + + /* check for correct version */ + if ( LOBYTE( wsaData.wVersion ) != 2 || + HIBYTE( wsaData.wVersion ) != 0 ) + { + /* incorrect WinSock version */ + WSACleanup(); + return FALSE; + } + /* WinSock has been initialized */ + return TRUE; +} + +void win_cleanup_sockets() +{ + WSACleanup(); +} + +bool win_check_socket_path(const char *path) +{ + if (strlen(winfile_socket_identifier) > 0 && + strncmp(path, winfile_socket_identifier, strlen(winfile_socket_identifier)) == 0 && + strchr(path, ':') != NULL) return true; + return false; +} + +file_error win_open_socket(const char *path, UINT32 openflags, osd_file **file, UINT64 *filesize) +{ + char hostname[256]; + struct hostent *localhost; + struct sockaddr_in sai; + int flag = 1; + int port; + + sscanf( path+strlen(winfile_socket_identifier), "%255[^:]:%d", hostname, &port ); + + if (((*file)->socket = socket(AF_INET, SOCK_STREAM, 0)) == -1) + { + return FILERR_ACCESS_DENIED; + } + + if (setsockopt((*file)->socket, IPPROTO_TCP, TCP_NODELAY, (char *)&flag, sizeof(flag)) == -1) + { + return FILERR_ACCESS_DENIED; + } + localhost = gethostbyname(hostname); + + memset(&sai, 0, sizeof(sai)); + sai.sin_family = AF_INET; + sai.sin_port = htons(port); + sai.sin_addr = *((struct in_addr *)localhost->h_addr); + + // listening socket support + if (openflags & OPEN_FLAG_CREATE) + { +// printf("Listening for client at '%s' on port '%d'\n", hostname, port); + // bind socket... + if (bind((*file)->socket, (struct sockaddr *)&sai, sizeof(struct sockaddr)) == -1) + { + return FILERR_ACCESS_DENIED; + } + + // start to listen... + if (listen((*file)->socket, 1) == -1) { + return FILERR_ACCESS_DENIED; + } + + // mark socket as "listening" + (*file)->handle = 0; + *filesize = 0; + return FILERR_NONE; + } + +// printf("Connecting to server '%s' on port '%d'\n", hostname, port); + if (connect((*file)->socket, (struct sockaddr *)&sai, sizeof(struct sockaddr)) == -1) + { + return FILERR_ACCESS_DENIED; + } + *filesize = 0; + (*file)->handle = INVALID_HANDLE_VALUE; + return FILERR_NONE; +} + +file_error win_read_socket(osd_file *file, void *buffer, UINT64 offset, UINT32 count, UINT32 *actual) +{ + int result; + char line[80]; + struct timeval timeout; + fd_set readfds; + + FD_ZERO(&readfds); + FD_SET(file->socket, &readfds); + timeout.tv_sec = timeout.tv_usec = 0; + + if (select(file->socket + 1, &readfds, NULL, NULL, &timeout) < 0) + { + sprintf(line, "win_read_socket : %s : %d ", __FILE__, __LINE__); + perror(line); + return win_error_to_mame_file_error(GetLastError()); + } + else if (FD_ISSET(file->socket, &readfds)) + { + if (file->handle == INVALID_HANDLE_VALUE) + { + // connected socket + result = recv(file->socket, (char*)buffer, count, 0); + } + else + { + // listening socket + SOCKET AcceptSocket; + AcceptSocket = accept(file->socket, NULL, NULL); + if (AcceptSocket == INVALID_SOCKET) + { + return FILERR_FAILURE; + } + closesocket(file->socket); + file->socket = AcceptSocket; + file->handle = INVALID_HANDLE_VALUE; + if (actual != NULL ) + { + *actual = 0; + } + + return FILERR_NONE; + } + } + else + { + return FILERR_FAILURE; + } + + if (result < 0) + { + return win_error_to_mame_file_error(GetLastError()); + } + + if (actual != NULL ) + { + *actual = result; + } + return FILERR_NONE; +} + +file_error win_write_socket(osd_file *file, const void *buffer, UINT64 offset, UINT32 count, UINT32 *actual) +{ + int result; + result = send(file->socket, (const char*)buffer, count, 0); + if (result < 0) + { + return win_error_to_mame_file_error(GetLastError()); + } + + if (actual != NULL ) + { + *actual = result; + } + return FILERR_NONE; +} + +file_error win_close_socket(osd_file *file) +{ + closesocket(file->socket); + return FILERR_NONE; +} |