Files
s3fs-fuse/src/syncfiller.cpp

75 lines
2.2 KiB
C++

/*
* s3fs - FUSE-based file system backed by Amazon S3
*
* Copyright(C) 2007 Randy Rizun <rrizun@gmail.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <cstdio>
#include <cstdlib>
#include "s3fs_logger.h"
#include "syncfiller.h"
//-------------------------------------------------------------------
// Class SyncFiller
//-------------------------------------------------------------------
SyncFiller::SyncFiller(void* buff, fuse_fill_dir_t filler) : filler_buff(buff), filler_func(filler)
{
if(!filler_buff || !filler_func){
S3FS_PRN_CRIT("Internal error: SyncFiller constructor parameter is critical value.");
abort();
}
}
//
// See. prototype fuse_fill_dir_t in fuse.h
//
int SyncFiller::Fill(const std::string& name, const struct stat *stbuf, off_t off)
{
const std::lock_guard<std::mutex> lock(filler_lock);
int result = 0;
if(filled.insert(name).second){
result = filler_func(filler_buff, name.c_str(), stbuf, off);
}
return result;
}
int SyncFiller::SufficiencyFill(const std::vector<std::string>& pathlist)
{
const std::lock_guard<std::mutex> lock(filler_lock);
int result = 0;
for(auto it = pathlist.cbegin(); it != pathlist.cend(); ++it) {
if(filled.insert(*it).second){
if(0 != filler_func(filler_buff, it->c_str(), nullptr, 0)){
result = 1;
}
}
}
return result;
}
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: expandtab sw=4 ts=4 fdm=marker
* vim<600: expandtab sw=4 ts=4
*/