mirror of https://github.com/trapexit/mergerfs.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
95 lines
2.6 KiB
95 lines
2.6 KiB
/*
|
|
The MIT License (MIT)
|
|
|
|
Copyright (c) 2014 Antonio SJ Musumeci <trapexit@spawn.link>
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in
|
|
all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
THE SOFTWARE.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include "fs_path.hpp"
|
|
#include "policy.hpp"
|
|
|
|
using std::string;
|
|
using std::vector;
|
|
using std::size_t;
|
|
|
|
static
|
|
int
|
|
_ff(const vector<string> &basepaths,
|
|
const string &fusepath,
|
|
vector<string> &paths)
|
|
{
|
|
for(size_t i = 0, ei = basepaths.size(); i != ei; i++)
|
|
{
|
|
int rv;
|
|
struct stat st;
|
|
string fullpath;
|
|
const string &basepath = basepaths[i];
|
|
|
|
fullpath = fs::path::make(basepath,fusepath);
|
|
|
|
rv = ::lstat(fullpath.c_str(),&st);
|
|
if(rv == -1)
|
|
continue;
|
|
|
|
paths.push_back(basepath);
|
|
|
|
return 0;
|
|
}
|
|
|
|
return (errno=ENOENT,-1);
|
|
}
|
|
|
|
static
|
|
int
|
|
_ff_create(const vector<string> &basepaths,
|
|
const string &fusepath,
|
|
vector<string> &paths)
|
|
{
|
|
if(basepaths.empty())
|
|
return (errno=ENOENT,-1);
|
|
|
|
paths.push_back(basepaths[0]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
namespace mergerfs
|
|
{
|
|
int
|
|
Policy::Func::ff(const Category::Enum::Type type,
|
|
const vector<string> &basepaths,
|
|
const string &fusepath,
|
|
const size_t minfreespace,
|
|
vector<string> &paths)
|
|
{
|
|
if(type == Category::Enum::create)
|
|
return _ff_create(basepaths,fusepath,paths);
|
|
|
|
return _ff(basepaths,fusepath,paths);
|
|
}
|
|
}
|