//扫描本地浏览器缓存图片文件
void FastLocalScan(CancellationToken ct, ManualResetEvent pauseEvent, IProgress <ScanProgress> progress, DateTime lastDateTime)
{
try
{
String iecachepath = Environment.GetFolderPath(Environment.SpecialFolder.InternetCache);
log.Info("IE cache path: " + iecachepath);
//var totalfiles = Directory.EnumerateFiles(iecachepath, "*.*", SearchOption.AllDirectories).Where<String>(s => (s.EndsWith(".jpg") || s.EndsWith(".png")));
//var totalfiles = SafeFileEnumerator.EnumerateFiles(iecachepath, "*.*", SearchOption.AllDirectories).Where<String>(ImageFilesCanProcessed);
//var totalfiles = SafeFileEnumerator.EnumerateFileInfos(iecachepath, "*.*", SearchOption.AllDirectories).Where<FileInfo>(ImageFilesCanProcessed);
//var totalfiles = SafeFileEnumerator.EnumerateFileInfos(iecachepath, "*.*", SearchOption.AllDirectories).Where<FileInfo>(ImageFileInfosCanProcessed);
var totalfiles = Enumerable.Empty <FileInfo>();
//此处不能使用directoryfilter，因为该filter是控制对那些dir枚举其下的dir，而不是文件
//这会导致在win8下，ie的缓存目录为INetCache，该目录下的文件会被重复枚举并扫描
//string homePath = (Environment.OSVersion.Platform == PlatformID.Unix ||
// Environment.OSVersion.Platform == PlatformID.MacOSX)
// ? Environment.GetEnvironmentVariable("HOME")
// : Environment.ExpandEnvironmentVariables("%HOMEDRIVE%%HOMEPATH%");
string homePath = Environment.ExpandEnvironmentVariables("%HOMEDRIVE%%HOMEPATH%");
var dirs = SafeFileEnumerator.EnumerateDirectories(homePath, "*Cache*", SearchOption.AllDirectories).Where <String>(s => !s.Contains(iecachepath));
//string roamingPath = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
//var dirs = SafeFileEnumerator.EnumerateDirectories(roamingPath, "*Cache*", SearchOption.AllDirectories).Where<String>(s=>!s.Contains(iecachepath));
//string localAppDataPath = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
//dirs = dirs.Concat(SafeFileEnumerator.EnumerateDirectories(localAppDataPath, "*Cache*", SearchOption.AllDirectories).Where<String>(s=>!s.Contains(iecachepath)));
List <string> cachedirs = dirs.ToList();
List <string> tmpcachedirs = cachedirs;
cachedirs.Add(iecachepath);
//剔除路径重叠的目录，留下最高层的目录，防止重复扫描
cachedirs.RemoveAll(s => tmpcachedirs.Exists(ss => ss != s && s.Contains(ss)));
//枚举每个目录内的文件
foreach (var dir in cachedirs)
{
log.Info("Fast dir: " + dir);
totalfiles = totalfiles.Concat(SafeFileEnumerator.EnumerateFileInfos(dir, "*.*", SearchOption.AllDirectories));
}
sBrowserDirList = cachedirs;
//sBrowserDirList= dirs.ToList();
//sBrowserDirList.Add(iecachepath);
//var files = GetFiles("C:\\SearchDirectory", d => !d.Contains("AvoidMe", StringComparison.OrdinalIgnoreCase), "*.*");
//if(Properties.Settings.Default.isFastLocalScanIncremental)
// totalfiles = totalfiles.Where<FileInfo>(finfo => finfo.CreationTime > Properties.Settings.Default.lastFastLocalScanDateTime);
if (lastDateTime != DateTime.MinValue)
{
totalfiles = totalfiles.Where <FileInfo>(finfo => finfo.CreationTime > lastDateTime);
}
int tcount = totalfiles.Count();
int num = 0;
foreach (var file in totalfiles)
{
AnalysisFile(file.FullName, ct, pauseEvent, progress, num, tcount, true);
num++;
}
}
catch (Exception exception)
{
log.Error(exception.ToString());
}
}
//所有本地文件扫描，排除了浏览器缓存文件以防重复扫描
void AllLocalFileScan(CancellationToken ct, ManualResetEvent pauseEvent, IProgress <ScanProgress> progress, DateTime lastDateTime)
{
try
{
DriveInfo[] allDrives = DriveInfo.GetDrives();
//List<string> allTopDirs = new List<string>();
//先扫描所有磁盘根目录下的文件
IEnumerable <string> allTopDirs = Enumerable.Empty <string>();
foreach (var drive in allDrives)
{
if (drive.DriveType == DriveType.Fixed)
{
allTopDirs = allTopDirs.Concat(SafeFileEnumerator.EnumerateDirectories(
drive.RootDirectory.FullName, "*", SearchOption.TopDirectoryOnly, null
));
//var files = SafeFileEnumerator.EnumerateFiles(drive.RootDirectory.FullName, "*.*", SearchOption.TopDirectoryOnly, null).Where<String>(FilesCanProcessed);
var fileinfos = SafeFileEnumerator.EnumerateFileInfos(drive.RootDirectory.FullName, "*.*", SearchOption.TopDirectoryOnly, null).Where <FileInfo>(finfo => FilesCanProcessed(finfo.Name));
if (lastDateTime != DateTime.MinValue)
{
fileinfos = fileinfos.Where <FileInfo>(finfo => finfo.CreationTime > lastDateTime);
}
//if (Properties.Settings.Default.isAllLocalScanIncremental)
// fileinfos = fileinfos.Where<FileInfo>(finfo => finfo.CreationTime > Properties.Settings.Default.lastAllLocalScanDateTime);
foreach (FileInfo finfo in fileinfos)
{
AnalysisFile(finfo.FullName, ct, pauseEvent, progress, 0, 1, false);
}
}
}
String iecachepath = Environment.GetFolderPath(Environment.SpecialFolder.InternetCache);
string localAppDataPath = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
List <string> allTopDirsList = allTopDirs.ToList();
int tcount = allTopDirsList.Count;
int num = 0;
//再分别扫描所有磁盘下根文件夹下所有文件
foreach (var topdir in allTopDirsList)
{
//var allfiles = SafeFileEnumerator.EnumerateFiles(topdir, "*.*", SearchOption.AllDirectories,
// d => !(d.Contains(iecachepath) || d.Contains(localAppDataPath))
// ).Where<String>(FilesCanProcessed);
//排除浏览器缓存搜索的范围
string homePath = Environment.ExpandEnvironmentVariables("%HOMEDRIVE%%HOMEPATH%");
//var allFileInfos = SafeFileEnumerator.EnumerateFileInfos(topdir, "*.*", SearchOption.AllDirectories,
// d => !(d.Contains(iecachepath) || d.Contains(homePath))
// ).Where<FileInfo>(finfo => FilesCanProcessed(finfo.Name));
var allFileInfos = SafeFileEnumerator.EnumerateFileInfos(topdir, "*.*", SearchOption.AllDirectories,
removeBrowserDirs
).Where <FileInfo>(finfo => FilesCanProcessed(finfo.Name));
if (lastDateTime != DateTime.MinValue)
{
allFileInfos = allFileInfos.Where <FileInfo>(finfo => finfo.CreationTime > lastDateTime);
}
//if (Properties.Settings.Default.isAllLocalScanIncremental)
// allFileInfos = allFileInfos.Where<FileInfo>(finfo => finfo.CreationTime > Properties.Settings.Default.lastAllLocalScanDateTime);
foreach (FileInfo finfo in allFileInfos)
{
AnalysisFile(finfo.FullName, ct, pauseEvent, progress, num, tcount, false);
}
num++;
}
}
catch (Exception ex)
{
log.Error(ex.ToString());
}
}