mirror of https://github.com/trapexit/mergerfs.git
Antonio SJ Musumeci
9 years ago
6 changed files with 184 additions and 4 deletions
-
4README.md
-
23man/mergerfs.1
-
4src/policy.cpp
-
6src/policy.hpp
-
105src/policy_epall.cpp
-
46src/policy_eprand.cpp
@ -0,0 +1,105 @@ |
|||||
|
/*
|
||||
|
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 <errno.h>
|
||||
|
|
||||
|
#include <string>
|
||||
|
#include <vector>
|
||||
|
|
||||
|
#include "fs.hpp"
|
||||
|
#include "fs_path.hpp"
|
||||
|
#include "policy.hpp"
|
||||
|
|
||||
|
using std::string; |
||||
|
using std::vector; |
||||
|
|
||||
|
static |
||||
|
int |
||||
|
_epall_create(const vector<string> &basepaths, |
||||
|
const char *fusepath, |
||||
|
const uint64_t minfreespace, |
||||
|
vector<const string*> &paths) |
||||
|
{ |
||||
|
string fullpath; |
||||
|
|
||||
|
for(size_t i = 0, ei = basepaths.size(); i != ei; i++) |
||||
|
{ |
||||
|
bool readonly; |
||||
|
uint64_t spaceavail; |
||||
|
uint64_t _spaceused; |
||||
|
const string *basepath = &basepaths[i]; |
||||
|
|
||||
|
fs::path::make(basepath,fusepath,fullpath); |
||||
|
|
||||
|
if(!fs::exists(fullpath)) |
||||
|
continue; |
||||
|
if(!fs::info(*basepath,readonly,spaceavail,_spaceused)) |
||||
|
continue; |
||||
|
if(readonly) |
||||
|
continue; |
||||
|
if(spaceavail < minfreespace) |
||||
|
continue; |
||||
|
|
||||
|
paths.push_back(basepath); |
||||
|
} |
||||
|
|
||||
|
if(paths.empty()) |
||||
|
return POLICY_FAIL_ENOENT; |
||||
|
|
||||
|
return POLICY_SUCCESS; |
||||
|
} |
||||
|
|
||||
|
static |
||||
|
int |
||||
|
_epall_other(const vector<string> &basepaths, |
||||
|
const char *fusepath, |
||||
|
vector<const string*> &paths) |
||||
|
{ |
||||
|
string fullpath; |
||||
|
|
||||
|
for(size_t i = 0, ei = basepaths.size(); i != ei; i++) |
||||
|
{ |
||||
|
const string *basepath = &basepaths[i]; |
||||
|
|
||||
|
fs::path::make(basepath,fusepath,fullpath); |
||||
|
|
||||
|
if(!fs::exists(fullpath)) |
||||
|
continue; |
||||
|
|
||||
|
paths.push_back(basepath); |
||||
|
} |
||||
|
|
||||
|
if(paths.empty()) |
||||
|
return POLICY_FAIL_ENOENT; |
||||
|
|
||||
|
return POLICY_SUCCESS; |
||||
|
} |
||||
|
|
||||
|
namespace mergerfs |
||||
|
{ |
||||
|
int |
||||
|
Policy::Func::epall(const Category::Enum::Type type, |
||||
|
const vector<string> &basepaths, |
||||
|
const char *fusepath, |
||||
|
const uint64_t minfreespace, |
||||
|
vector<const string*> &paths) |
||||
|
{ |
||||
|
if(type == Category::Enum::create) |
||||
|
return _epall_create(basepaths,fusepath,minfreespace,paths); |
||||
|
|
||||
|
return _epall_other(basepaths,fusepath,paths); |
||||
|
} |
||||
|
} |
@ -0,0 +1,46 @@ |
|||||
|
/*
|
||||
|
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 <errno.h>
|
||||
|
|
||||
|
#include <string>
|
||||
|
#include <vector>
|
||||
|
#include <algorithm>
|
||||
|
|
||||
|
#include "policy.hpp"
|
||||
|
#include "success_fail.hpp"
|
||||
|
|
||||
|
using std::string; |
||||
|
using std::vector; |
||||
|
|
||||
|
namespace mergerfs |
||||
|
{ |
||||
|
int |
||||
|
Policy::Func::eprand(const Category::Enum::Type type, |
||||
|
const vector<string> &basepaths, |
||||
|
const char *fusepath, |
||||
|
const uint64_t minfreespace, |
||||
|
vector<const string*> &paths) |
||||
|
{ |
||||
|
int rv; |
||||
|
|
||||
|
rv = Policy::Func::epall(type,basepaths,fusepath,minfreespace,paths); |
||||
|
if(POLICY_SUCCEEDED(rv)) |
||||
|
std::random_shuffle(paths.begin(),paths.end()); |
||||
|
|
||||
|
return rv; |
||||
|
} |
||||
|
} |
Write
Preview
Loading…
Cancel
Save
Reference in new issue