mirror of
https://github.com/trapexit/mergerfs.git
synced 2025-02-24 19:20:46 +08:00
115 lines
3.0 KiB
C++
115 lines
3.0 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 <string>
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#include <vector>
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#include <unistd.h>
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#include <sys/stat.h>
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#include <errno.h>
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#include "config.hpp"
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#include "rwlock.hpp"
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#include "fs.hpp"
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#define MINFREESPACE_DEFAULT (4294967295ULL)
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#define POLICYINIT(X) X(policies[FuseFunc::Enum::X])
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using std::string;
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using std::vector;
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namespace mergerfs
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{
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Config::Config()
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: destmount(),
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srcmounts(),
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srcmountslock(),
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minfreespace(MINFREESPACE_DEFAULT),
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moveonenospc(false),
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POLICYINIT(access),
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POLICYINIT(chmod),
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POLICYINIT(chown),
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POLICYINIT(create),
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POLICYINIT(getattr),
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POLICYINIT(getxattr),
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POLICYINIT(link),
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POLICYINIT(listxattr),
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POLICYINIT(mkdir),
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POLICYINIT(mknod),
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POLICYINIT(open),
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POLICYINIT(readlink),
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POLICYINIT(removexattr),
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POLICYINIT(rename),
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POLICYINIT(rmdir),
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POLICYINIT(setxattr),
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POLICYINIT(symlink),
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POLICYINIT(truncate),
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POLICYINIT(unlink),
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POLICYINIT(utimens),
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controlfile("/.mergerfs")
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{
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pthread_rwlock_init(&srcmountslock,NULL);
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set_category_policy("action","all");
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set_category_policy("create","epmfs");
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set_category_policy("search","ff");
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}
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int
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Config::set_func_policy(const string &fusefunc_,
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const string &policy_)
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{
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const Policy *policy;
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const FuseFunc *fusefunc;
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fusefunc = FuseFunc::find(fusefunc_);
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if(fusefunc == FuseFunc::invalid)
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return (errno=ENODATA,-1);
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policy = Policy::find(policy_);
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if(policy == Policy::invalid)
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return (errno=EINVAL,-1);
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policies[(FuseFunc::Enum::Type)*fusefunc] = policy;
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return 0;
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}
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int
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Config::set_category_policy(const string &category_,
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const string &policy_)
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{
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const Policy *policy;
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const Category *category;
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category = Category::find(category_);
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if(category == Category::invalid)
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return (errno=ENODATA,-1);
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policy = Policy::find(policy_);
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if(policy == Policy::invalid)
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return (errno=EINVAL,-1);
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for(int i = 0; i < FuseFunc::Enum::END; i++)
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{
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if(FuseFunc::fusefuncs[i] == (Category::Enum::Type)*category)
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policies[(FuseFunc::Enum::Type)FuseFunc::fusefuncs[i]] = policy;
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}
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return 0;
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}
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}
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