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https://github.com/trapexit/mergerfs.git
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54c41c4994
* Add standard way to do str2val and val2str conversion * Add support for a config file * Add support for reading and writing settings via ioctl
101 lines
2.4 KiB
C++
101 lines
2.4 KiB
C++
/*
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Copyright (c) 2016, Antonio SJ Musumeci <trapexit@spawn.link>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "config.hpp"
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#include "errno.hpp"
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#include "fs_base_rmdir.hpp"
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#include "fs_path.hpp"
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#include "rv.hpp"
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#include "ugid.hpp"
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#include <fuse.h>
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#include <string>
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#include <unistd.h>
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using std::string;
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using std::vector;
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namespace l
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{
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static
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int
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rmdir_loop_core(const string &basepath_,
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const char *fusepath_,
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const int error_)
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{
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int rv;
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string fullpath;
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fullpath = fs::path::make(basepath_,fusepath_);
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rv = fs::rmdir(fullpath);
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return error::calc(rv,error_,errno);
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}
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static
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int
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rmdir_loop(const vector<string> &basepaths_,
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const char *fusepath_)
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{
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int error;
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error = -1;
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for(size_t i = 0, ei = basepaths_.size(); i != ei; i++)
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{
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error = l::rmdir_loop_core(basepaths_[i],fusepath_,error);
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}
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return -error;
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}
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static
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int
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rmdir(Policy::Func::Action actionFunc_,
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const Branches &branches_,
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const uint64_t minfreespace_,
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const char *fusepath_)
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{
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int rv;
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vector<string> basepaths;
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rv = actionFunc_(branches_,fusepath_,minfreespace_,&basepaths);
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if(rv == -1)
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return -errno;
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return l::rmdir_loop(basepaths,fusepath_);
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}
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}
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namespace FUSE
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{
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int
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rmdir(const char *fusepath_)
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{
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const fuse_context *fc = fuse_get_context();
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const Config &config = Config::ro();
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const ugid::Set ugid(fc->uid,fc->gid);
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return l::rmdir(config.func.rmdir.policy,
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config.branches,
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config.minfreespace,
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fusepath_);
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}
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}
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