/*
* Need to look up refcount file/bitmap file.
*/
private void clean_clog_file_P2(string input, string output)
{
DEFS.DEBUG("DEDUPE", "Starting clog P2");
Item fp = new fingerprintCLOG(DEDUP_SORT_ORDER.UNDEFINED_PLACEHOLDER);
byte[] buffer = new byte[fp.get_size()];
FileStream fsrc = new FileStream(input, FileMode.Open);
FileStream fdest = new FileStream(output, FileMode.Create);
long count = fsrc.Length / fp.get_size();
int final = 0;
for (int i = 0; i < count; i++)
{
fsrc.Read(buffer, 0, fp.get_size());
fp.parse_bytes(buffer, 0);
fingerprintCLOG fpt = (fingerprintCLOG)fp;
if (REDDY.ptrRedFS != null && REDDY.ptrRedFS.is_block_free(fpt.dbn))
{
continue;
}
fdest.Write(buffer, 0, fp.get_size());
final++;
}
fsrc.Close();
fdest.Flush();
fdest.Close();
DEFS.DEBUG("DEDUPE", "Finished clog P2, count = " + count + " to " + final);
}
/*
* Remove duplicate ino, fbn entries. keep the lastest one always
*/
private void clean_clog_file_P1(string input, string output)
{
DEFS.DEBUG("DEDUPE", "Starting clog P1");
Item fp = new fingerprintCLOG(DEDUP_SORT_ORDER.UNDEFINED_PLACEHOLDER);
int last_ino = 0;
int last_fbn = 0;
byte[] buffer = new byte[fp.get_size()];
FileStream fsrc = new FileStream(input, FileMode.Open);
FileStream fdest = new FileStream(output, FileMode.Create);
long count = fsrc.Length / fp.get_size();
int final = 0;
for (int i = 0; i < count; i++)
{
fsrc.Read(buffer, 0, fp.get_size());
fp.parse_bytes(buffer, 0);
fingerprintCLOG fpt = (fingerprintCLOG)fp;
if (fpt.inode == last_ino && fpt.fbn == last_fbn)
{
continue;
}
fdest.Write(buffer, 0, fp.get_size());
last_ino = fpt.inode;
last_fbn = fpt.fbn;
final++;
}
fsrc.Close();
fdest.Flush();
fdest.Close();
DEFS.DEBUG("DEDUPE", "Finished clog P1, count = " + count + " to " + final);
}