mirror of https://github.com/trapexit/mergerfs.git
Antonio SJ Musumeci
2 years ago
9 changed files with 188 additions and 202 deletions
-
8libfuse/include/fuse.h
-
16libfuse/include/fuse_lowlevel.h
-
111libfuse/lib/fuse.c
-
29libfuse/lib/fuse_lowlevel.c
-
38src/fs_pread.hpp
-
70src/fuse_read.cpp
-
16src/fuse_read.hpp
-
98src/fuse_read_buf.cpp
-
4src/mergerfs.cpp
@ -0,0 +1,38 @@ |
|||||
|
/*
|
||||
|
ISC License |
||||
|
|
||||
|
Copyright (c) 2023, 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. |
||||
|
*/ |
||||
|
|
||||
|
#pragma once
|
||||
|
|
||||
|
#include <unistd.h>
|
||||
|
|
||||
|
namespace fs |
||||
|
{ |
||||
|
static |
||||
|
int |
||||
|
pread(const int fd_, |
||||
|
void *buf_, |
||||
|
const size_t count_, |
||||
|
const off_t offset_) |
||||
|
{ |
||||
|
int rv; |
||||
|
|
||||
|
rv = ::pread(fd_,buf_,count_,offset_); |
||||
|
|
||||
|
return ((rv == -1) ? -errno : rv); |
||||
|
} |
||||
|
} |
||||
@ -0,0 +1,70 @@ |
|||||
|
/*
|
||||
|
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.hpp"
|
||||
|
#include "fileinfo.hpp"
|
||||
|
#include "fs_pread.hpp"
|
||||
|
|
||||
|
#include "fuse.h"
|
||||
|
|
||||
|
#include <stdlib.h>
|
||||
|
#include <string.h>
|
||||
|
|
||||
|
typedef struct fuse_bufvec fuse_bufvec; |
||||
|
|
||||
|
|
||||
|
namespace l |
||||
|
{ |
||||
|
static |
||||
|
int |
||||
|
read(const int fd_, |
||||
|
char *buf_, |
||||
|
const size_t size_, |
||||
|
const off_t offset_) |
||||
|
{ |
||||
|
int rv; |
||||
|
|
||||
|
rv = fs::pread(fd_,buf_,size_,offset_); |
||||
|
|
||||
|
return rv; |
||||
|
} |
||||
|
} |
||||
|
|
||||
|
namespace FUSE |
||||
|
{ |
||||
|
int |
||||
|
read(const fuse_file_info_t *ffi_, |
||||
|
char *buf_, |
||||
|
size_t size_, |
||||
|
off_t offset_) |
||||
|
{ |
||||
|
FileInfo *fi = reinterpret_cast<FileInfo*>(ffi_->fh); |
||||
|
|
||||
|
return l::read(fi->fd, |
||||
|
buf_, |
||||
|
size_, |
||||
|
offset_); |
||||
|
} |
||||
|
|
||||
|
int |
||||
|
read_null(const fuse_file_info_t *ffi_, |
||||
|
char *buf_, |
||||
|
size_t size_, |
||||
|
off_t offset_) |
||||
|
{ |
||||
|
return size_; |
||||
|
} |
||||
|
} |
||||
@ -1,98 +0,0 @@ |
|||||
/*
|
|
||||
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.hpp"
|
|
||||
#include "fileinfo.hpp"
|
|
||||
|
|
||||
#include "fuse.h"
|
|
||||
|
|
||||
#include <stdlib.h>
|
|
||||
#include <string.h>
|
|
||||
|
|
||||
typedef struct fuse_bufvec fuse_bufvec; |
|
||||
|
|
||||
|
|
||||
namespace l |
|
||||
{ |
|
||||
static |
|
||||
int |
|
||||
read_buf(const int fd_, |
|
||||
fuse_bufvec **bufp_, |
|
||||
const size_t size_, |
|
||||
const off_t offset_) |
|
||||
{ |
|
||||
fuse_bufvec *src; |
|
||||
|
|
||||
src = (fuse_bufvec*)malloc(sizeof(fuse_bufvec)); |
|
||||
if(src == NULL) |
|
||||
return -ENOMEM; |
|
||||
|
|
||||
*src = FUSE_BUFVEC_INIT(size_); |
|
||||
|
|
||||
src->buf->flags = (fuse_buf_flags)(FUSE_BUF_IS_FD|FUSE_BUF_FD_SEEK|FUSE_BUF_FD_RETRY); |
|
||||
src->buf->fd = fd_; |
|
||||
src->buf->pos = offset_; |
|
||||
|
|
||||
*bufp_ = src; |
|
||||
|
|
||||
return 0; |
|
||||
} |
|
||||
} |
|
||||
|
|
||||
namespace FUSE |
|
||||
{ |
|
||||
int |
|
||||
read_buf(const fuse_file_info_t *ffi_, |
|
||||
fuse_bufvec **bufp_, |
|
||||
size_t size_, |
|
||||
off_t offset_) |
|
||||
{ |
|
||||
FileInfo *fi = reinterpret_cast<FileInfo*>(ffi_->fh); |
|
||||
|
|
||||
return l::read_buf(fi->fd, |
|
||||
bufp_, |
|
||||
size_, |
|
||||
offset_); |
|
||||
} |
|
||||
|
|
||||
int |
|
||||
read_buf_null(const fuse_file_info_t *ffi_, |
|
||||
fuse_bufvec **bufp_, |
|
||||
size_t size_, |
|
||||
off_t offset_) |
|
||||
{ |
|
||||
void *mem; |
|
||||
struct fuse_bufvec *buf; |
|
||||
|
|
||||
buf = (struct fuse_bufvec*)malloc(sizeof(struct fuse_bufvec)); |
|
||||
if(buf == NULL) |
|
||||
return -ENOMEM; |
|
||||
|
|
||||
mem = (void*)calloc(1,size_); |
|
||||
if(mem == NULL) |
|
||||
{ |
|
||||
free(buf); |
|
||||
return -ENOMEM; |
|
||||
} |
|
||||
|
|
||||
*buf = FUSE_BUFVEC_INIT(size_); |
|
||||
buf->buf[0].mem = mem; |
|
||||
|
|
||||
*bufp_ = buf; |
|
||||
|
|
||||
return 0; |
|
||||
} |
|
||||
} |
|
||||
Write
Preview
Loading…
Cancel
Save
Reference in new issue