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12268a1b66
Add notifications test application. It is: http://msdn.microsoft.com/en-us/library/windows/desktop/aa365261%28v=vs.85%29.aspx It properly works in ReactOS since r62446 CORE-2582 svn path=/trunk/; revision=62581
158 lines
4.5 KiB
C
158 lines
4.5 KiB
C
/*
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* FILE: notificationtest.c
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* PURPOSE: Files notifications testing
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* NOTES: MSDN code from: http://msdn.microsoft.com/en-us/library/windows/desktop/aa365261%28v=vs.85%29.aspx
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*/
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#include <windows.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <tchar.h>
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#if defined(_tsplitpath) && !defined(_tsplitpath_s)
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#define _tsplitpath_s(f, d,dl, p,pl, n,nl, e,el) _tsplitpath(f, d, p, n, e)
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#else
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#define _wsplitpath_s(f, d,dl, p,pl, n,nl, e,el) _wsplitpath(f, d, p, n, e)
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#define _splitpath_s(f, d,dl, p,pl, n,nl, e,el) _splitpath(f, d, p, n, e)
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#endif
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void RefreshDirectory(LPTSTR);
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void RefreshTree(LPTSTR);
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void WatchDirectory(LPTSTR);
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int _tmain(int argc, TCHAR *argv[])
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{
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if(argc != 2)
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{
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_tprintf(TEXT("Usage: %s <dir>\n"), argv[0]);
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return -1;
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}
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WatchDirectory(argv[1]);
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return 0;
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}
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void WatchDirectory(LPTSTR lpDir)
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{
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DWORD dwWaitStatus;
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HANDLE dwChangeHandles[2];
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TCHAR lpDrive[4];
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TCHAR lpFile[_MAX_FNAME];
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TCHAR lpExt[_MAX_EXT];
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_tsplitpath_s(lpDir, lpDrive, 4, NULL, 0, lpFile, _MAX_FNAME, lpExt, _MAX_EXT);
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lpDrive[2] = (TCHAR)'\\';
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lpDrive[3] = (TCHAR)'\0';
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// Watch the directory for file creation and deletion.
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dwChangeHandles[0] = FindFirstChangeNotification(
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lpDir, // directory to watch
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FALSE, // do not watch subtree
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FILE_NOTIFY_CHANGE_FILE_NAME); // watch file name changes
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if (dwChangeHandles[0] == INVALID_HANDLE_VALUE)
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{
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printf("\n ERROR: FindFirstChangeNotification function failed.\n");
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ExitProcess(GetLastError());
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}
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// Watch the subtree for directory creation and deletion.
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dwChangeHandles[1] = FindFirstChangeNotification(
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lpDrive, // directory to watch
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TRUE, // watch the subtree
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FILE_NOTIFY_CHANGE_DIR_NAME); // watch dir name changes
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if (dwChangeHandles[1] == INVALID_HANDLE_VALUE)
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{
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printf("\n ERROR: FindFirstChangeNotification function failed.\n");
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ExitProcess(GetLastError());
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}
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// Make a final validation check on our handles.
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if ((dwChangeHandles[0] == NULL) || (dwChangeHandles[1] == NULL))
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{
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printf("\n ERROR: Unexpected NULL from FindFirstChangeNotification.\n");
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ExitProcess(GetLastError());
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}
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// Change notification is set. Now wait on both notification
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// handles and refresh accordingly.
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while (TRUE)
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{
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// Wait for notification.
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printf("\nWaiting for notification...\n");
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dwWaitStatus = WaitForMultipleObjects(2, dwChangeHandles,
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FALSE, INFINITE);
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switch (dwWaitStatus)
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{
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case WAIT_OBJECT_0:
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// A file was created, renamed, or deleted in the directory.
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// Refresh this directory and restart the notification.
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RefreshDirectory(lpDir);
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if ( FindNextChangeNotification(dwChangeHandles[0]) == FALSE )
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{
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printf("\n ERROR: FindNextChangeNotification function failed.\n");
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ExitProcess(GetLastError());
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}
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break;
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case WAIT_OBJECT_0 + 1:
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// A directory was created, renamed, or deleted.
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// Refresh the tree and restart the notification.
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RefreshTree(lpDrive);
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if (FindNextChangeNotification(dwChangeHandles[1]) == FALSE )
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{
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printf("\n ERROR: FindNextChangeNotification function failed.\n");
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ExitProcess(GetLastError());
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}
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break;
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case WAIT_TIMEOUT:
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// A timeout occurred, this would happen if some value other
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// than INFINITE is used in the Wait call and no changes occur.
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// In a single-threaded environment you might not want an
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// INFINITE wait.
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printf("\nNo changes in the timeout period.\n");
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break;
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default:
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printf("\n ERROR: Unhandled dwWaitStatus.\n");
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ExitProcess(GetLastError());
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break;
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}
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}
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}
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void RefreshDirectory(LPTSTR lpDir)
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{
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// This is where you might place code to refresh your
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// directory listing, but not the subtree because it
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// would not be necessary.
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_tprintf(TEXT("Directory (%s) changed.\n"), lpDir);
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}
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void RefreshTree(LPTSTR lpDrive)
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{
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// This is where you might place code to refresh your
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// directory listing, including the subtree.
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_tprintf(TEXT("Directory tree (%s) changed.\n"), lpDrive);
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}
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