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/*
This file is part of Android File Transfer For Linux.
Copyright (C) 2015-2020 Vladimir Menshakov
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License,
or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this library; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef AFTL_FUSE_FUSEDIRECTORY_H
#define AFTL_FUSE_FUSEDIRECTORY_H
#include <vector>
#include <fuse_lowlevel.h>
namespace mtp { namespace fuse
{
using CharArray = std::vector<char>;
struct FuseDirectory
{
fuse_req_t Request;
FuseDirectory(fuse_req_t request): Request(request) { }
void Add(CharArray & data, const std::string &name, const struct stat & entry)
{
if (data.empty())
data.reserve(4096);
size_t size = fuse_add_direntry(Request, NULL, 0, name.c_str(), NULL, 0);
size_t offset = data.size();
data.resize(data.size() + size);
fuse_add_direntry(Request, data.data() + offset, size, name.c_str(), &entry, data.size()); //request is not used inside fuse here, so we could cache resulting dirent data
}
static void Reply(fuse_req_t req, const CharArray &data, off_t off, size_t size)
{
if (off >= (off_t)data.size())
FUSE_CALL(fuse_reply_buf(req, NULL, 0));
else
{
FUSE_CALL(fuse_reply_buf(req, data.data() + off, std::min<size_t>(size, data.size() - off)));
}
}
};
}}
#endif
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