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-rw-r--r--src/osd/windows/winsocket.cpp209
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
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+// 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;
+}