public int OpenDirectory(int midx, String filename, DokanFileInfo info)
{
Inode_Info i = inode_exists_internal(midx, filename, "opendir", false, false);
if (i != null && i.isfile == false)
{
info.IsDirectory = true;
return(0);
}
bool status = open_directory_internal(midx, filename);
return((status)? 0 : -DokanNet.ERROR_PATH_NOT_FOUND);
}
public bool CloneDirectoryTlock(int srcfsid, String sourcedir, int destfsid, String destinationdir)
{
string destdirpath = ExtractParentPath(destinationdir);
if (destdirpath == null)
{
return(false);
}
Inode_Info destdiri = inode_exists_internal(destfsid, destdirpath, "dclone1", false, false);
if (destdiri == null)
{
return(false);
}
Inode_Info destdiri2 = inode_exists_internal(destfsid, destinationdir, "dclone2", false, false);
if (destdiri2 != null)
{
return(false);
}
Inode_Info srcdirA = inode_exists_internal(srcfsid, sourcedir, "dclone3", true, false);
if (srcdirA == null)
{
return(false);
}
int count = srcdirA.nodecount;
int pino = destdiri.ino;
List <int> inolist = NEXT_N_INODE_NUMBERS(destfsid, count);
CDirectory newdir = REDDY.FSIDList[srcfsid].rootdir.clone_directory_tlock(sourcedir, destfsid, inolist, pino, destdirpath);
if (newdir == null)
{
return(false);
}
newdir.rename_directory(ADFN(destinationdir));
if (REDDY.FSIDList[destfsid].rootdir.insert_clonedirectory_tlock(destdirpath, newdir) == false)
{
//delete the wip.
newdir.remove_orphan_directory();
return(false);
}
return(true);
}
private void backup_folder(bool firstjob, string oldchecksumfile, string newchecksumfile, ref int curroffset, string sourcedir, string destdir)
{
DirectoryInfo srcdi = new DirectoryInfo(sourcedir);
Inode_Info di = REDDY.ptrIFSDMux.GetFileInfoInternalAPI(2, destdir);
if (srcdi.Exists == false && di == null)
{
return;
}
else if (srcdi.Exists == false && di != null)
{
REDDY.ptrIFSDMux.DeleteDirectory(2, destdir, null);
return;
}
else
{
if (srcdi.Exists == true && di == null)
{
/*
* Create a new directory and recusively restore directories and files.
*/
REDDY.ptrIFSDMux.CreateDirectory(2, destdir, null);
}
else if (srcdi.Exists == true && di != null)
{
/*
* Restore directory by directory, if dest subdir does not exist, call this recursviely.
* do the same for files.
*/
}
string[] flist = get_file_list(sourcedir, destdir);
for (int i = 0; i < flist.Length; i++)
{
backup_file(firstjob, oldchecksumfile, newchecksumfile, ref curroffset, sourcedir + "\\" + flist[i], destdir + "\\" + flist[i]);
REDDY.FSIDList[2].set_dirty(true);
}
string[] dlist = get_dir_list(sourcedir, destdir);
for (int i = 0; i < dlist.Length; i++)
{
backup_folder(firstjob, oldchecksumfile, newchecksumfile, ref curroffset, sourcedir + "\\" + dlist[i], destdir + "\\" + dlist[i]);
REDDY.FSIDList[2].set_dirty(true);
}
}
}
public int GetFileInformation(int midx, String filename, FileInformation fileinfo, DokanFileInfo info)
{
Inode_Info i = inode_exists_internal(midx, filename, "getfinfo", false, false);
if (i != null)
{
fileinfo.Attributes = i.fa;
fileinfo.FileName = i.name;
fileinfo.CreationTime = i.CreationTime;
fileinfo.LastAccessTime = i.LastAccessTime;
fileinfo.LastWriteTime = i.LastWriteTime;
fileinfo.Length = (i.isfile == true) ? i.size : 0;
info.IsDirectory = (i.isfile == true) ? false : true;
return(0);
}
else
{
return(-DokanNet.ERROR_PATH_NOT_FOUND);
}
}
/*
* a. Check that the destination directory exists, and get its inode number
* b. Allocate a new inode in the destination fsid.
* c. clone the source file.
* d. Insert into the destination.
* e. If failed, do error handling.
*/
public bool CloneFileTLock(int srcfsid, String sourcefile, int destfsid, String destinationfile)
{
string destdirpath = ExtractParentPath(destinationfile);
if (destdirpath == null)
{
DEFS.DEBUG("CLONEF", "couldnot parse parent path");
return(false);
}
Inode_Info destdiri = inode_exists_internal(destfsid, destdirpath, "clone", false, false);
if (destdiri == null || destdiri.fa == FileAttributes.Normal)
{
DEFS.DEBUG("CLONEF", "destdir is absent or is a file");
return(false);
}
int pino = destdiri.ino;
int newino = find_free_ino_bit(destfsid);
CFile newfile = REDDY.FSIDList[srcfsid].rootdir.clone_file_tlock(sourcefile, destfsid, newino, pino, destinationfile);
if (newfile == null)
{
DEFS.DEBUG("CLONEF", "failed to clone file " + sourcefile);
return(false);
}
newfile.rename_file(ADFN(destinationfile));
if (REDDY.FSIDList[destfsid].rootdir.insert_clonefile_tlock(destdirpath, newfile) == false)
{
//delete the wip.
newfile.remove_ondisk_data2();
return(false);
}
REDDY.FSIDList[destfsid].set_dirty(true);
return(true);
}
/*
* Below are dokan callback function. Have included here so that
* we can use locks internally for accsssing _rootdir.
* midx == mounted idx which is the mounted fsid.
*/
public int CreateFile(int midx, String filename, FileAccess access, FileShare share,
FileMode mode, FileOptions options, DokanFileInfo info)
{
Inode_Info i = inode_exists_internal(midx, filename, "createfile", false, false);
if (i != null)
{
if (i.isfile == false)
{
info.IsDirectory = true;
}
return(0);// -DokanNet.ERROR_ALREADY_EXISTS;
}
if (mode == FileMode.Open)
{
return(-1);
}
bool status = create_file_internal(midx, filename);
REDDY.FSIDList[midx].set_dirty(true);
return((status)? 0 : -DokanNet.DOKAN_ERROR);
}
private bool backup_file(bool firstjob, string oldchecksumfile, string newchecksumfile, ref int curroffset, string sourcefile, string destfile)
{
DEFS.DEBUG("BACKUP", "Entering backup_file ( " + firstjob + "," + oldchecksumfile + "," +
newchecksumfile + "," + curroffset + "," + sourcefile + "," + destfile);
MD5 md5 = System.Security.Cryptography.MD5.Create();
fingerprintBACKUP fptemp1 = new fingerprintBACKUP();
fingerprintBACKUP fptemp2 = new fingerprintBACKUP();
if (firstjob)
{
FileInfo srcfi = new FileInfo(sourcefile);
if (srcfi.Exists == false)
{
REDDY.ptrIFSDMux.DeleteFile(2, destfile, null);
return(false);
}
else
{
if (REDDY.ptrIFSDMux.CreateFile(2, destfile, FileAccess.ReadWrite, FileShare.ReadWrite, FileMode.Create, FileOptions.None, null) != 0)
{
MessageBox.Show("failed to create file 1");
return(false);
}
if (REDDY.ptrIFSDMux.SetEndOfFile(2, destfile, srcfi.Length, null) != 0)
{
MessageBox.Show("failed to seteof 1");
return(false);
}
Inode_Info di = REDDY.ptrIFSDMux.GetFileInfoInternalAPI(2, destfile);
REDDY.ptrIFSDMux.SetInternalFlag(2, destfile, 0, curroffset);
if (di == null)
{
MessageBox.Show("failed to get a valid di 1");
return(false);
}
int ino = di.ino;
byte[] buffer = new byte[4096];
byte[] tmpbuf = new byte[((Item)fptemp1).get_size()];
uint wrote = 0;
int bcount = OPS.NUML0(srcfi.Length);
FileStream fs = new FileStream(sourcefile, FileMode.Open);
long outfileoffset = 0;
byte[] lastchunkbuf = null;
for (int i = 0; i < bcount; i++)
{
int size = fs.Read(buffer, 0, 4096);
if (size < 4096)
{
lastchunkbuf = new byte[size];
for (int kx = size; kx < 4096; kx++)
{
buffer[kx] = 0;
}
for (int kx2 = 0; kx2 < size; kx2++)
{
lastchunkbuf[kx2] = buffer[kx2];
}
}
byte[] hash = md5.ComputeHash(buffer, 0, 4096);
fptemp1.inode = ino;
fptemp1.fbn = i;
for (int k = 0; k < 16; k++)
{
fptemp1.fp[k] = hash[k];
}
((Item)fptemp1).get_bytes(tmpbuf, 0);
if (REDDY.ptrIFSDMux.WriteFile(2, newchecksumfile, tmpbuf, ref wrote, curroffset, null) != 0)
{
MessageBox.Show("write failed, wrote = " + wrote);
return(false);
}
if (size > 0)
{
if (size == 4096)
{
if (REDDY.ptrIFSDMux.WriteFile(2, destfile, buffer, ref wrote, outfileoffset, null) != 0)
{
MessageBox.Show("write failed ee, wrote = " + wrote);
return(false);
}
}
else
{
if (REDDY.ptrIFSDMux.WriteFile(2, destfile, lastchunkbuf, ref wrote, outfileoffset, null) != 0)
{
MessageBox.Show("write failed ee2, wrote = " + wrote);
return(false);
}
}
}
newdatacopied += size;
outfileoffset += size;
curroffset += ((Item)fptemp1).get_size();
}
//if (REDDY.ptrIFSDMux.SetEndOfFile(2, destfile, srcfi.Length, null) != 0)
//{
// MessageBox.Show("failed to seteof 1a");
// return false;
//}
fs.Close();
REDDY.FSIDList[2].set_dirty(true);
return(true);
}
}
else
{
DEFS.ASSERT(oldchecksumfile != null, "You must pass the oldchecksumfile path");
FileInfo srcfi = new FileInfo(sourcefile);
if (srcfi.Exists == false)
{
REDDY.ptrIFSDMux.DeleteFile(2, destfile, null);
return(false);
}
else
{
if (REDDY.ptrIFSDMux.CreateFile(2, destfile, FileAccess.ReadWrite, FileShare.ReadWrite, FileMode.CreateNew, FileOptions.None, null) != 0)
{
MessageBox.Show("Createfile has failed");
return(false);
}
if (REDDY.ptrIFSDMux.SetEndOfFile(2, destfile, srcfi.Length, null) != 0)
{
MessageBox.Show("Set eof has failed!");
return(false);
}
Inode_Info di = REDDY.ptrIFSDMux.GetFileInfoInternalAPI(2, destfile);
int localoffet = di.backupoffset;
REDDY.ptrIFSDMux.SetInternalFlag(2, destfile, 0, curroffset);
int ino = di.ino;
byte[] buffer = new byte[4096];
byte[] tmpbuf = new byte[((Item)fptemp1).get_size()];
uint wrote = 0;
int bcount = OPS.NUML0(srcfi.Length);
FileStream fs = new FileStream(sourcefile, FileMode.Open);
long outfileoffset = 0;
byte[] lastchunkbuf = null;
DEFS.DEBUG("--------", bcount + ", ArrangeStartingPosition LOOP ");
for (int i = 0; i < bcount; i++)
{
int size = fs.Read(buffer, 0, 4096);
if (size < 4096)
{
lastchunkbuf = new byte[size];
for (int kx = size; kx < 4096; kx++)
{
buffer[kx] = 0;
}
for (int kx2 = 0; kx2 < size; kx2++)
{
lastchunkbuf[kx2] = buffer[kx2];
}
}
byte[] hash = md5.ComputeHash(buffer, 0, 4096);
fptemp1.inode = ino;
fptemp1.fbn = i;
for (int k = 0; k < 16; k++)
{
fptemp1.fp[k] = hash[k];
}
byte[] existinghash = new byte[24];
uint readsize = 0;
if (REDDY.ptrIFSDMux.ReadFile(2, oldchecksumfile, existinghash, ref readsize, localoffet, null) != 0)
{
MessageBox.Show("read failed, " + readsize + ",path = " + oldchecksumfile);
return(false);
}
((Item)fptemp2).parse_bytes(existinghash, 0);
if (!(/* fptemp1.inode == fptemp2.inode &&*/ fptemp1.fbn == fptemp2.fbn &&
is_equal(fptemp1.fp, fptemp2.fp)))
{
if (size > 0)
{
if (size == 4096)
{
if (REDDY.ptrIFSDMux.WriteFile(2, destfile, buffer, ref wrote, outfileoffset, null) != 0)
{
MessageBox.Show("write failed ee, wrote = " + wrote);
return(false);
}
}
else
{
if (REDDY.ptrIFSDMux.WriteFile(2, destfile, lastchunkbuf, ref wrote, outfileoffset, null) != 0)
{
MessageBox.Show("write failed ee2, wrote = " + wrote);
return(false);
}
}
}
newdatacopied += size;
}
((Item)fptemp1).get_bytes(tmpbuf, 0);
if (REDDY.ptrIFSDMux.WriteFile(2, newchecksumfile, tmpbuf, ref wrote, curroffset, null) != 0)
{
MessageBox.Show("write failed 22, wrote = " + wrote);
return(false);
}
curroffset += ((Item)fptemp1).get_size();
localoffet += ((Item)fptemp1).get_size();
outfileoffset += size;
//DEFS.DEBUG("---", bcount + "," + fs.Position);
}
fs.Close();
if (REDDY.ptrIFSDMux.SetEndOfFile(2, destfile, srcfi.Length, null) != 0)
{
MessageBox.Show("Set eof has failed! 2");
return(false);
}
DEFS.DEBUG("--------", bcount + ", ArrangeStartingPosition LOOP sdfsfda");
REDDY.FSIDList[2].set_dirty(true);
return(true);
}
}
}
public Inode_Info GetFileInfoInternalAPI(int fsid, string filename)
{
Inode_Info i = inode_exists_internal(fsid, filename, "getfinfo", false, true);
return(i);
}
