private IEnumerable <FileMapping> GetActualFiles(string fileName)
{
NativeMethods.Win32FindData findFileData = new NativeMethods.Win32FindData();
List <FileMapping> actualFiles = new List <FileMapping>();
IntPtr hFind = NativeMethods.FindFirstFileW(fileName, ref findFileData);
if (hFind != new IntPtr(-1))
{
do
{
//if (findFileData.cFileName.Equals(@".") || findFileData.cFileName.Equals(@".."))
// continue;
//if ((findFileData.dwFileAttributes & 0x10) != 0)
//{
// string path = Path.Combine(Path.GetDirectoryName(fileName) ?? throw new InvalidOperationException(), findFileData.cFileName);
// actualFiles.Add(new FileMapping(path, findFileData));
//}
//else
//{
string path = Path.Combine(Path.GetDirectoryName(fileName) ?? throw new InvalidOperationException(), findFileData.cFileName);
actualFiles.Add(new FileMapping(path, findFileData));
//}
}while (NativeMethods.FindNextFileW(hFind, ref findFileData));
}
NativeMethods.FindClose(hFind);
//Console.WriteLine("///////////////////ACTUAL///////////////////");
//foreach (FileMapping actualFile in actualFiles)
//{
// _monitor.Log($"{actualFile.FindData.cFileName}");
//}
//Console.WriteLine("///////////////////ACTUAL///////////////////");
return(actualFiles);
}
private bool FindNextFileCallBack(IntPtr hndfindfile, ref NativeMethods.Win32FindData lpfindfiledata)
{
if (!_searchingFiles.ContainsKey(hndfindfile))
{
return(NativeMethods.FindNextFileW(hndfindfile, ref lpfindfiledata));
}
Queue <FileMapping> queue = _searchingFiles[hndfindfile];
if (queue.Count == 0)
{
return(false);
}
lpfindfiledata = queue.Dequeue().FindData;
_monitor.Log(lpfindfiledata.cFileName);
/*还有文件的时候，返回true，没了返回False*/
return(true);
}
private IntPtr FindFirstFileCallBack(string pfilename, ref NativeMethods.Win32FindData pfindfiledata)
{
if (PathWhiteList.Count > 0 && !PathWhiteList.Contains(Path.GetDirectoryName(pfilename)))
{
return(NativeMethods.FindFirstFileW(pfilename, ref pfindfiledata));
}
FileMappingDic = _monitor.GetFileMappingDic(_channel);
string matchPath = pfilename.Replace(@"\", @"\\")
.Replace(".", @"\.")
.Replace("*", ".*").Replace("?", ".");
Regex regex = new Regex(matchPath);
IEnumerable <FileMapping> actualFiles = GetActualFiles(pfilename);
Queue <FileMapping> matchedFiles = new Queue <FileMapping>(actualFiles);
if (FileMappingDic != null)
{
foreach (string key in FileMappingDic.Keys.Where(key => regex.Match(key).Value == key))
{
matchedFiles.Enqueue(FileMappingDic[key]);
}
}
//没找到返回INVALID_HANDLE_VALUE
if (matchedFiles.Count == 0)
{
return(new IntPtr(-1));
}
IntPtr ptr = NativeMethods.FindFirstFileW(matchedFiles.Peek().ActualPath, ref pfindfiledata);
pfindfiledata = matchedFiles.Peek().FindData;
matchedFiles.Dequeue();
_searchingFiles.Add(ptr, matchedFiles);
_monitor.Log(pfindfiledata.cFileName);
return(ptr);
}
public FileMapping(string actualPath, NativeMethods.Win32FindData findData)
{
PuppetPath = ActualPath = actualPath;
_findData = findData;
}
