|
public FindByFrn ( string volume, ulong frn ) : |
||
| volume | string | |
| frn | ulong | |
| return | ||
private void ProcessRenameNewName(PInvokeWin32.USN_RECORD usn, string volume, MyEverythingDB db)
{
// frn 没有改变
// newname = usn.FileName
// 根据usn.FRN可以从db中获取oldname
// db.update...
MyEverythingRecord newRecord = MyEverythingRecord.ParseUSN(usn);
string fullpath = newRecord.Name;
db.FindRecordPath(newRecord, ref fullpath, db.GetFolderSource(volume));
newRecord.FullPath = fullpath;
var oldRecord = db.FindByFrn(volume, usn.FRN);
string newname = newRecord.FullPath;
Debug.WriteLine(string.Format(">>>> RenameFile {0} to {1}", oldRecord.FullPath, newname));
db.UpdateRecord(volume, newRecord,
usn.IsFolder ? MyEverythingRecordType.Folder : MyEverythingRecordType.File);
if (RecordRenameEvent != null)
{
RecordRenameEvent(oldRecord, newRecord);
}
if (newname.Contains("$RECYCLE.BIN"))
{
Debug.WriteLine(string.Format(">>>> Means {0} moved to recycle.", oldRecord.FullPath));
}
}
private void ProcessFileDelete(PInvokeWin32.USN_RECORD usn, string volume, MyEverythingDB db)
{
var cached = db.FindByFrn(volume, usn.FRN);
if (cached == null)
{
return;
}
else
{
var isdelete = db.DeleteRecord(volume, usn.FRN);
Debug.WriteLine(string.Format(">>>> File {0} deleted {1}.", cached.FullPath, isdelete ? "successful" : "fail"));
if (RecordDeletedEvent != null)
{
RecordDeletedEvent(cached);
}
}
}
private void ProcessUSN(PInvokeWin32.USN_RECORD usn, string volume, MyEverythingDB db)
{
var dbCached = db.FindByFrn(volume, usn.FRN);
Debug.WriteLine(string.Format("------USN[frn={0}]------", usn.FRN));
Debug.WriteLine(string.Format("FileName={0}, Reason={1}", usn.FileName, Reason.ReasonPrettyFormat(usn.Reason)));
Debug.WriteLine(string.Format("FileName[Cached]={0}", dbCached == null ? "NoCache": dbCached.FullPath));
Debug.WriteLine("--------------------------------------");
if (Util.MaskEqual(usn.Reason, Reason.USN_REASONS["USN_REASON_RENAME_NEW_NAME"]))
{
ProcessRenameNewName(usn, volume, db);
}
if ((usn.Reason & Reason.USN_REASONS["USN_REASON_FILE_CREATE"]) != 0)
{
ProcessFileCreate(usn, volume, db);
}
if (Util.MaskEqual(usn.Reason, Reason.USN_REASONS["USN_REASON_FILE_DELETE"]))
{
ProcessFileDelete(usn, volume, db);
}
}
private void ProcessRenameNewName(PInvokeWin32.USN_RECORD usn, string volume, MyEverythingDB db)
{
// frn 没有改变
// newname = usn.FileName
// 根据usn.FRN可以从db中获取oldname
// db.update...
MyEverythingRecord newRecord = MyEverythingRecord.ParseUSN(usn);
string fullpath = newRecord.Name;
db.FindRecordPath(newRecord, ref fullpath, db.GetFolderSource(volume));
newRecord.FullPath = fullpath;
var oldRecord = db.FindByFrn(volume, usn.FRN);
string newname = newRecord.FullPath;
Debug.WriteLine(string.Format(">>>> RenameFile {0} to {1}", oldRecord.FullPath, newname));
db.UpdateRecord(volume, newRecord,
usn.IsFolder ? MyEverythingRecordType.Folder : MyEverythingRecordType.File);
if (RecordRenameEvent != null) RecordRenameEvent(oldRecord, newRecord);
if (newname.Contains("$RECYCLE.BIN")) {
Debug.WriteLine(string.Format(">>>> Means {0} moved to recycle.", oldRecord.FullPath));
}
}
private void ProcessFileDelete(PInvokeWin32.USN_RECORD usn, string volume, MyEverythingDB db)
{
var cached = db.FindByFrn(volume, usn.FRN);
if (cached == null) {
return;
} else {
var isdelete = db.DeleteRecord(volume, usn.FRN);
Debug.WriteLine(string.Format(">>>> File {0} deleted {1}.", cached.FullPath, isdelete ? "successful" : "fail"));
if (RecordDeletedEvent != null)
RecordDeletedEvent(cached);
}
}
private void ProcessUSN(PInvokeWin32.USN_RECORD usn, string volume, MyEverythingDB db)
{
var dbCached = db.FindByFrn(volume, usn.FRN);
Debug.WriteLine(string.Format("------USN[frn={0}]------", usn.FRN));
Debug.WriteLine(string.Format("FileName={0}, Reason={1}", usn.FileName, Reason.ReasonPrettyFormat(usn.Reason)));
Debug.WriteLine(string.Format("FileName[Cached]={0}", dbCached == null ? "NoCache": dbCached.FullPath));
Debug.WriteLine("--------------------------------------");
if (Util.MaskEqual(usn.Reason, Reason.USN_REASONS["USN_REASON_RENAME_NEW_NAME"]))
ProcessRenameNewName(usn, volume, db);
if ((usn.Reason & Reason.USN_REASONS["USN_REASON_FILE_CREATE"]) != 0)
ProcessFileCreate(usn, volume, db);
if (Util.MaskEqual(usn.Reason, Reason.USN_REASONS["USN_REASON_FILE_DELETE"]))
ProcessFileDelete(usn, volume, db);
}
