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rework config management

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* Add standard way to do str2val and val2str conversion
* Add support for a config file
* Add support for reading and writing settings via ioctl
This commit is contained in:
Antonio SJ Musumeci 2019-09-24 10:27:46 -04:00
parent 8d989777f8
commit 54c41c4994
90 changed files with 3292 additions and 2619 deletions
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45
src/fuse_write_buf.cpp
View file

@ -20,7 +20,6 @@
#include "fs_movefile.hpp"
#include "fuse_write.hpp"
#include "policy.hpp"
#include "rwlock.hpp"
#include "ugid.hpp"
#include <fuse.h>
@ -61,6 +60,28 @@ namespace l
return fuse_buf_copy(&dst,src_,cpflags);
}
static
int
move_and_write_buf(fuse_bufvec *src_,
off_t offset_,
FileInfo *fi_)
{
int rv;
uint64_t extra;
vector<string> paths;
const ugid::Set ugid(0,0);
const Config &config = Config::ro();
config.branches.to_paths(paths);
extra = fuse_buf_size(src_);
rv = fs::movefile(paths,fi_->fusepath,extra,fi_->fd);
if(rv == -1)
return -ENOSPC;
return l::write_buf(fi_->fd,src_,offset_);
}
}
namespace FUSE
@ -76,27 +97,7 @@ namespace FUSE
rv = l::write_buf(fi->fd,src_,offset_);
if(l::out_of_space(-rv))
{
const fuse_context *fc = fuse_get_context();
const Config &config = Config::get(fc);
if(config.moveonenospc)
{
size_t extra;
vector<string> paths;
const ugid::Set ugid(0,0);
const rwlock::ReadGuard readlock(&config.branches_lock);
config.branches.to_paths(paths);
extra = fuse_buf_size(src_);
rv = fs::movefile(paths,fi->fusepath,extra,fi->fd);
if(rv == -1)
return -ENOSPC;
rv = l::write_buf(fi->fd,src_,offset_);
}
}
rv = l::move_and_write_buf(src_,offset_,fi);
return rv;
}