mergerfs/src/fuse_rmdir.cpp
Antonio SJ Musumeci 54c41c4994 rework config management
* Add standard way to do str2val and val2str conversion
* Add support for a config file
* Add support for reading and writing settings via ioctl
2020-06-18 18:54:25 -04:00

101 lines
2.4 KiB
C++

/*
Copyright (c) 2016, Antonio SJ Musumeci <trapexit@spawn.link>
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "config.hpp"
#include "errno.hpp"
#include "fs_base_rmdir.hpp"
#include "fs_path.hpp"
#include "rv.hpp"
#include "ugid.hpp"
#include <fuse.h>
#include <string>
#include <unistd.h>
using std::string;
using std::vector;
namespace l
{
static
int
rmdir_loop_core(const string &basepath_,
const char *fusepath_,
const int error_)
{
int rv;
string fullpath;
fullpath = fs::path::make(basepath_,fusepath_);
rv = fs::rmdir(fullpath);
return error::calc(rv,error_,errno);
}
static
int
rmdir_loop(const vector<string> &basepaths_,
const char *fusepath_)
{
int error;
error = -1;
for(size_t i = 0, ei = basepaths_.size(); i != ei; i++)
{
error = l::rmdir_loop_core(basepaths_[i],fusepath_,error);
}
return -error;
}
static
int
rmdir(Policy::Func::Action actionFunc_,
const Branches &branches_,
const uint64_t minfreespace_,
const char *fusepath_)
{
int rv;
vector<string> basepaths;
rv = actionFunc_(branches_,fusepath_,minfreespace_,&basepaths);
if(rv == -1)
return -errno;
return l::rmdir_loop(basepaths,fusepath_);
}
}
namespace FUSE
{
int
rmdir(const char *fusepath_)
{
const fuse_context *fc = fuse_get_context();
const Config &config = Config::ro();
const ugid::Set ugid(fc->uid,fc->gid);
return l::rmdir(config.func.rmdir.policy,
config.branches,
config.minfreespace,
fusepath_);
}
}