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fuse_lowlevel.cpp

cpp
Antonio SJ Musumeci 3 weeks ago
parent
947673e9cf
commit
34ee3707a5
5 changed files with 244 additions and 204 deletions
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  1. 2
      libfuse/include/fuse_kernel.h
  2. 3
      libfuse/include/fuse_lowlevel.h
  3. 265
      libfuse/lib/debug.cpp
  4. 0
      libfuse/lib/debug.hpp
  5. 178
      libfuse/lib/fuse_lowlevel.cpp

2
libfuse/include/fuse_kernel.h
View File

@ -442,7 +442,7 @@ struct fuse_file_lock {
#define FUSE_HANDLE_KILLPRIV_V2 (1 << 28) #define FUSE_HANDLE_KILLPRIV_V2 (1 << 28)
#define FUSE_SETXATTR_EXT (1 << 29) #define FUSE_SETXATTR_EXT (1 << 29)
#define FUSE_INIT_EXT (1 << 30) #define FUSE_INIT_EXT (1 << 30)
#define FUSE_INIT_RESERVED (1 << 31)
#define FUSE_INIT_RESERVED (1ULL << 31)
/* bits 32..63 get shifted down 32 bits into the flags2 field */ /* bits 32..63 get shifted down 32 bits into the flags2 field */
#define FUSE_SECURITY_CTX (1ULL << 32) #define FUSE_SECURITY_CTX (1ULL << 32)
#define FUSE_HAS_INODE_DAX (1ULL << 33) #define FUSE_HAS_INODE_DAX (1ULL << 33)

3
libfuse/include/fuse_lowlevel.h
View File

@ -151,6 +151,7 @@ struct fuse_lowlevel_ops
void (*link)(fuse_req_t req, struct fuse_in_header *hdr); void (*link)(fuse_req_t req, struct fuse_in_header *hdr);
void (*listxattr)(fuse_req_t req, struct fuse_in_header *hdr); void (*listxattr)(fuse_req_t req, struct fuse_in_header *hdr);
void (*lookup)(fuse_req_t req, struct fuse_in_header *hdr); void (*lookup)(fuse_req_t req, struct fuse_in_header *hdr);
void (*lseek)(fuse_req_t req, struct fuse_in_header *hdr);
void (*mkdir)(fuse_req_t req, struct fuse_in_header *hdr); void (*mkdir)(fuse_req_t req, struct fuse_in_header *hdr);
void (*mknod)(fuse_req_t req, struct fuse_in_header *hdr); void (*mknod)(fuse_req_t req, struct fuse_in_header *hdr);
void (*open)(fuse_req_t req, struct fuse_in_header *hdr); void (*open)(fuse_req_t req, struct fuse_in_header *hdr);
@ -165,6 +166,7 @@ struct fuse_lowlevel_ops
void (*removemapping)(fuse_req_t req, const struct fuse_in_header *hdr); void (*removemapping)(fuse_req_t req, const struct fuse_in_header *hdr);
void (*removexattr)(fuse_req_t req, const struct fuse_in_header *hdr); void (*removexattr)(fuse_req_t req, const struct fuse_in_header *hdr);
void (*rename)(fuse_req_t req, struct fuse_in_header *hdr); void (*rename)(fuse_req_t req, struct fuse_in_header *hdr);
void (*rename2)(fuse_req_t req, struct fuse_in_header *hdr);
void (*retrieve_reply)(fuse_req_t req, void *cookie, uint64_t ino, off_t offset); void (*retrieve_reply)(fuse_req_t req, void *cookie, uint64_t ino, off_t offset);
void (*rmdir)(fuse_req_t req, struct fuse_in_header *hdr); void (*rmdir)(fuse_req_t req, struct fuse_in_header *hdr);
void (*setattr)(fuse_req_t req, struct fuse_in_header *hdr); void (*setattr)(fuse_req_t req, struct fuse_in_header *hdr);
@ -172,6 +174,7 @@ struct fuse_lowlevel_ops
void (*setupmapping)(fuse_req_t req, const struct fuse_in_header *hdr); void (*setupmapping)(fuse_req_t req, const struct fuse_in_header *hdr);
void (*setxattr)(fuse_req_t req, struct fuse_in_header *hdr); void (*setxattr)(fuse_req_t req, struct fuse_in_header *hdr);
void (*statfs)(fuse_req_t req, struct fuse_in_header *hdr); void (*statfs)(fuse_req_t req, struct fuse_in_header *hdr);
void (*statx)(fuse_req_t req, struct fuse_in_header *hdr);
void (*symlink)(fuse_req_t req, struct fuse_in_header *hdr); void (*symlink)(fuse_req_t req, struct fuse_in_header *hdr);
void (*syncfs)(fuse_req_t req, const struct fuse_in_header *hdr); void (*syncfs)(fuse_req_t req, const struct fuse_in_header *hdr);
void (*tmpfile)(fuse_req_t req, const struct fuse_in_header *hdr); void (*tmpfile)(fuse_req_t req, const struct fuse_in_header *hdr);

265
libfuse/lib/debug.c → libfuse/lib/debug.cpp
View File

@ -16,7 +16,9 @@
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/ */
#ifndef _GNU_SOURCE
#define _GNU_SOURCE #define _GNU_SOURCE
#endif
#include "fuse_kernel.h" #include "fuse_kernel.h"
@ -211,7 +213,7 @@ void
debug_open_flags(const uint32_t flags_) debug_open_flags(const uint32_t flags_)
{ {
fprintf(stderr,"%s, ",open_accmode_to_str(flags_)); fprintf(stderr,"%s, ",open_accmode_to_str(flags_));
for(int i = 0; i < (sizeof(flags_) * 8); i++)
for(size_t i = 0; i < (sizeof(flags_) * 8); i++)
{ {
const char *str; const char *str;
@ -252,11 +254,11 @@ debug_fuse_open_out(const struct fuse_open_out *arg_)
{ {
fprintf(stderr, fprintf(stderr,
"fuse_open_out:" "fuse_open_out:"
" fh=0x%"PRIx64";"
" fh=0x%" PRIx64 ";"
" open_flags=0x%X (", " open_flags=0x%X (",
arg_->fh, arg_->fh,
arg_->open_flags); arg_->open_flags);
for(int i = 0; i < (sizeof(arg_->open_flags) * 8); i++)
for(size_t i = 0; i < (sizeof(arg_->open_flags) * 8); i++)
{ {
const char *str; const char *str;
@ -276,7 +278,7 @@ static
void void
debug_fuse_lookup(const void *arg_) debug_fuse_lookup(const void *arg_)
{ {
const char *name = arg_;
const char *name = (const char*)arg_;
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"fuse_lookup:" "fuse_lookup:"
@ -290,12 +292,12 @@ static
void void
debug_fuse_getattr_in(const void *arg_) debug_fuse_getattr_in(const void *arg_)
{ {
const struct fuse_getattr_in *arg = arg_;
const struct fuse_getattr_in *arg = (const fuse_getattr_in*)arg_;
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"fuse_getattr_in:" "fuse_getattr_in:"
" getattr_flags=0x%08X;" " getattr_flags=0x%08X;"
" fh=0x%"PRIx64";\n",
" fh=0x%" PRIx64 ";\n",
arg->getattr_flags, arg->getattr_flags,
arg->fh); arg->fh);
} }
@ -304,12 +306,12 @@ static
void void
debug_fuse_setattr_in(const void *arg_) debug_fuse_setattr_in(const void *arg_)
{ {
const struct fuse_setattr_in *arg = arg_;
const struct fuse_setattr_in *arg = (const fuse_setattr_in*)arg_;
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"fuse_setattr_in:" "fuse_setattr_in:"
" valid=%u;" " valid=%u;"
" fh=0x%"PRIx64";"
" fh=0x%" PRIx64 ";"
" size=%zu;" " size=%zu;"
" lock_owner=%zu;" " lock_owner=%zu;"
" atime=%zu;" " atime=%zu;"
@ -342,7 +344,7 @@ static
void void
debug_fuse_access_in(const void *arg_) debug_fuse_access_in(const void *arg_)
{ {
const struct fuse_access_in *arg = arg_;
const struct fuse_access_in *arg = (const fuse_access_in*)arg_;
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"fuse_access_in:" "fuse_access_in:"
@ -356,7 +358,7 @@ static
void void
debug_fuse_mknod_in(const void *arg_) debug_fuse_mknod_in(const void *arg_)
{ {
const struct fuse_mknod_in *arg = arg_;
const struct fuse_mknod_in *arg = (const fuse_mknod_in*)arg_;
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"fuse_mknod_in:" "fuse_mknod_in:"
@ -374,7 +376,7 @@ static
void void
debug_fuse_mkdir_in(const void *arg_) debug_fuse_mkdir_in(const void *arg_)
{ {
const struct fuse_mkdir_in *arg = arg_;
const struct fuse_mkdir_in *arg = (const fuse_mkdir_in*)arg_;
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"fuse_mkdir_in:" "fuse_mkdir_in:"
@ -392,7 +394,7 @@ static
void void
debug_fuse_unlink(const void *arg_) debug_fuse_unlink(const void *arg_)
{ {
const char *name = arg_;
const char *name = (const char*)arg_;
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"fuse_unlink:" "fuse_unlink:"
@ -406,7 +408,7 @@ static
void void
debug_fuse_rmdir(const void *arg_) debug_fuse_rmdir(const void *arg_)
{ {
const char *name = arg_;
const char *name = (const char*)arg_;
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"fuse_mkdir:" "fuse_mkdir:"
@ -423,7 +425,7 @@ debug_fuse_symlink(const void *arg_)
const char *name; const char *name;
const char *linkname; const char *linkname;
name = arg_;
name = (const char*)arg_;
linkname = (name + (strlen(name) + 1)); linkname = (name + (strlen(name) + 1));
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
@ -442,7 +444,7 @@ debug_fuse_rename_in(const void *arg_)
{ {
const char *oldname; const char *oldname;
const char *newname; const char *newname;
const struct fuse_rename_in *arg = arg_;
const struct fuse_rename_in *arg = (const fuse_rename_in*)arg_;
oldname = PARAM(arg); oldname = PARAM(arg);
newname = (oldname + strlen(oldname) + 1); newname = (oldname + strlen(oldname) + 1);
@ -464,7 +466,7 @@ void
debug_fuse_link_in(const void *arg_) debug_fuse_link_in(const void *arg_)
{ {
const char *name; const char *name;
const struct fuse_link_in *arg = arg_;
const struct fuse_link_in *arg = (const fuse_link_in*)arg_;
name = PARAM(arg); name = PARAM(arg);
@ -483,7 +485,7 @@ void
debug_fuse_create_in(const void *arg_) debug_fuse_create_in(const void *arg_)
{ {
const char *name; const char *name;
const struct fuse_create_in *arg = arg_;
const struct fuse_create_in *arg = (const fuse_create_in*)arg_;
name = PARAM(arg); name = PARAM(arg);
@ -505,7 +507,7 @@ static
void void
debug_fuse_open_in(const void *arg_) debug_fuse_open_in(const void *arg_)
{ {
const struct fuse_open_in *arg = arg_;
const struct fuse_open_in *arg = (const fuse_open_in*)arg_;
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"fuse_open_in:" "fuse_open_in:"
@ -519,15 +521,15 @@ static
void void
debug_fuse_read_in(const void *arg_) debug_fuse_read_in(const void *arg_)
{ {
const struct fuse_read_in *arg = arg_;
const struct fuse_read_in *arg = (const fuse_read_in*)arg_;
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"fuse_read_in:" "fuse_read_in:"
" fh=0x%"PRIx64";"
" fh=0x%" PRIx64 ";"
" offset=%zu;" " offset=%zu;"
" size=%u;" " size=%u;"
" read_flags=%X;" " read_flags=%X;"
" lock_owner=0x%"PRIx64";"
" lock_owner=0x%" PRIx64 ";"
" flags=0x%X (" " flags=0x%X ("
, ,
arg->fh, arg->fh,
@ -544,14 +546,14 @@ static
void void
debug_fuse_write_in(const void *arg_) debug_fuse_write_in(const void *arg_)
{ {
const struct fuse_write_in *arg = arg_;
const struct fuse_write_in *arg = (const fuse_write_in*)arg_;
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"fuse_write_in:" "fuse_write_in:"
" fh=0x%"PRIx64";"
" fh=0x%" PRIx64 ";"
" offset=%zu;" " offset=%zu;"
" size=%u;" " size=%u;"
" lock_owner=0x%"PRIx64";"
" lock_owner=0x%" PRIx64 ";"
" flags=0x%X (" " flags=0x%X ("
, ,
arg->fh, arg->fh,
@ -563,7 +565,7 @@ debug_fuse_write_in(const void *arg_)
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"); write_flags=0x%X (", "); write_flags=0x%X (",
arg->write_flags); arg->write_flags);
for(int i = 0; i < (sizeof(arg->write_flags) * 8); i++)
for(size_t i = 0; i < (sizeof(arg->write_flags) * 8); i++)
{ {
const char *str; const char *str;
@ -583,12 +585,12 @@ static
void void
debug_fuse_flush_in(const void *arg_) debug_fuse_flush_in(const void *arg_)
{ {
const struct fuse_flush_in *arg = arg_;
const struct fuse_flush_in *arg = (const fuse_flush_in*)arg_;
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"fuse_flush_in:" "fuse_flush_in:"
" fh=0x%"PRIx64";"
" lock_owner=0x%"PRIx64";"
" fh=0x%" PRIx64 ";"
" lock_owner=0x%" PRIx64 ";"
"\n" "\n"
, ,
arg->fh, arg->fh,
@ -599,13 +601,13 @@ static
void void
debug_fuse_release_in(const void *arg_) debug_fuse_release_in(const void *arg_)
{ {
const struct fuse_release_in *arg = arg_;
const struct fuse_release_in *arg = (const fuse_release_in*)arg_;
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"fuse_release_in:" "fuse_release_in:"
" fh=0x%"PRIx64";"
" fh=0x%" PRIx64 ";"
" release_flags=0x%X;" " release_flags=0x%X;"
" lock_owner=0x%"PRIx64";"
" lock_owner=0x%" PRIx64 ";"
" flags=0x%X (" " flags=0x%X ("
, ,
arg->fh, arg->fh,
@ -620,11 +622,11 @@ static
void void
debug_fuse_fsync_in(const void *arg_) debug_fuse_fsync_in(const void *arg_)
{ {
const struct fuse_fsync_in *arg = arg_;
const struct fuse_fsync_in *arg = (const fuse_fsync_in*)arg_;
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"fuse_fsync_in:" "fuse_fsync_in:"
" fh=0x%"PRIx64";"
" fh=0x%" PRIx64 ";"
" fsync_flags=0x%X;" " fsync_flags=0x%X;"
"\n" "\n"
, ,
@ -638,7 +640,7 @@ debug_fuse_setxattr_in(const void *arg_)
{ {
const char *name; const char *name;
const char *value; const char *value;
const struct fuse_setxattr_in *arg = arg_;
const struct fuse_setxattr_in *arg = (const fuse_setxattr_in*)arg_;
name = PARAM(arg); name = PARAM(arg);
value = (name + strlen(name) + 1); value = (name + strlen(name) + 1);
@ -662,7 +664,7 @@ void
debug_fuse_getxattr_in(const void *arg_) debug_fuse_getxattr_in(const void *arg_)
{ {
const char *name; const char *name;
const struct fuse_getxattr_in *arg = arg_;
const struct fuse_getxattr_in *arg = (const fuse_getxattr_in*)arg_;
name = PARAM(arg); name = PARAM(arg);
@ -680,7 +682,7 @@ static
void void
debug_fuse_listxattr(const void *arg_) debug_fuse_listxattr(const void *arg_)
{ {
const struct fuse_getxattr_in *arg = arg_;
const struct fuse_getxattr_in *arg = (const fuse_getxattr_in*)arg_;
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"fuse_listxattr:" "fuse_listxattr:"
@ -694,7 +696,7 @@ static
void void
debug_fuse_removexattr(const void *arg_) debug_fuse_removexattr(const void *arg_)
{ {
const char *name = arg_;
const char *name = (const char*)arg_;
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"fuse_removexattr:" "fuse_removexattr:"
@ -708,11 +710,11 @@ static
void void
debug_fuse_fallocate_in(const void *arg_) debug_fuse_fallocate_in(const void *arg_)
{ {
const struct fuse_fallocate_in *arg = arg_;
const struct fuse_fallocate_in *arg = (const fuse_fallocate_in*)arg_;
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"fuse_fallocate_in:" "fuse_fallocate_in:"
" fh=0x%"PRIx64";"
" fh=0x%" PRIx64 ";"
" offset=%zu;" " offset=%zu;"
" length=%zu;" " length=%zu;"
" mode=%o;" " mode=%o;"
@ -766,10 +768,10 @@ debug_fuse_init_out(const uint64_t unique_,
flags = (((uint64_t)arg->flags) | ((uint64_t)arg->flags2) << 32); flags = (((uint64_t)arg->flags) | ((uint64_t)arg->flags2) << 32);
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
/* "unique=0x%016"PRIx64";" */
/* "unique=0x%016" PRIx64 ";" */
/* " opcode=RESPONSE;" */ /* " opcode=RESPONSE;" */
/* " error=0 (Success);" */ /* " error=0 (Success);" */
/* " len=%"PRIu64"; || " */
/* " len=%" PRIu64 "; || " */
"FUSE_INIT_OUT:" "FUSE_INIT_OUT:"
" major=%u;" " major=%u;"
" minor=%u;" " minor=%u;"
@ -819,14 +821,14 @@ debug_fuse_attr(const struct fuse_attr *attr_)
{ {
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"attr:" "attr:"
" ino=0x%016"PRIx64";"
" size=%"PRIu64";"
" blocks=%"PRIu64";"
" atime=%"PRIu64";"
" ino=0x%016" PRIx64 ";"
" size=%" PRIu64 ";"
" blocks=%" PRIu64 ";"
" atime=%" PRIu64 ";"
" atimensec=%u;" " atimensec=%u;"
" mtime=%"PRIu64";"
" mtime=%" PRIu64 ";"
" mtimensec=%u;" " mtimensec=%u;"
" ctime=%"PRIu64";"
" ctime=%" PRIu64 ";"
" ctimesec=%u;" " ctimesec=%u;"
" mode=%o;" " mode=%o;"
" nlink=%u;" " nlink=%u;"
@ -858,11 +860,11 @@ debug_fuse_entry(const struct fuse_entry_out *entry_)
{ {
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
" fuse_entry_out:" " fuse_entry_out:"
" nodeid=0x%016"PRIx64";"
" generation=0x%016"PRIx64";"
" entry_valid=%"PRIu64";"
" nodeid=0x%016" PRIx64 ";"
" generation=0x%016" PRIx64 ";"
" entry_valid=%" PRIu64 ";"
" entry_valid_nsec=%u;" " entry_valid_nsec=%u;"
" attr_valid=%"PRIu64";"
" attr_valid=%" PRIu64 ";"
" attr_valid_nsec=%u;" " attr_valid_nsec=%u;"
" ", " ",
entry_->nodeid, entry_->nodeid,
@ -880,10 +882,10 @@ debug_fuse_entry_out(const uint64_t unique_,
const uint64_t argsize_) const uint64_t argsize_)
{ {
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"unique=0x%016"PRIx64";"
"unique=0x%016" PRIx64 ";"
" opcode=RESPONSE;" " opcode=RESPONSE;"
" error=0 (Success);" " error=0 (Success);"
" len=%"PRIu64"; || "
" len=%" PRIu64 "; || "
, ,
unique_, unique_,
sizeof(struct fuse_out_header) + argsize_); sizeof(struct fuse_out_header) + argsize_);
@ -897,10 +899,10 @@ debug_fuse_attr_out(const uint64_t unique_,
const uint64_t argsize_) const uint64_t argsize_)
{ {
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"unique=0x%016"PRIx64";"
"unique=0x%016" PRIx64 ";"
" opcode=RESPONSE;" " opcode=RESPONSE;"
" error=0 (Success);" " error=0 (Success);"
" len=%"PRIu64"; || "
" len=%" PRIu64 "; || "
"fuse_attr_out:" "fuse_attr_out:"
" attr_valid=%zu;" " attr_valid=%zu;"
" attr_valid_nsec=%u;" " attr_valid_nsec=%u;"
@ -945,11 +947,11 @@ static
void void
debug_fuse_interrupt_in(const void *arg_) debug_fuse_interrupt_in(const void *arg_)
{ {
const struct fuse_interrupt_in *arg = arg_;
const struct fuse_interrupt_in *arg = (const fuse_interrupt_in*)arg_;
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"fuse_interrupt_in:" "fuse_interrupt_in:"
" unique=0x%016"PRIx64";"
" unique=0x%016" PRIx64 ";"
"\n" "\n"
, ,
arg->unique); arg->unique);
@ -962,53 +964,54 @@ opcode_name(enum fuse_opcode op_)
{ {
static const char *names[] = static const char *names[] =
{ {
[FUSE_LOOKUP] = "LOOKUP",
[FUSE_FORGET] = "FORGET",
[FUSE_GETATTR] = "GETATTR",
[FUSE_SETATTR] = "SETATTR",
[FUSE_READLINK] = "READLINK",
[FUSE_SYMLINK] = "SYMLINK",
[FUSE_MKNOD] = "MKNOD",
[FUSE_MKDIR] = "MKDIR",
[FUSE_UNLINK] = "UNLINK",
[FUSE_RMDIR] = "RMDIR",
[FUSE_RENAME] = "RENAME",
[FUSE_LINK] = "LINK",
[FUSE_OPEN] = "OPEN",
[FUSE_READ] = "READ",
[FUSE_WRITE] = "WRITE",
[FUSE_STATFS] = "STATFS",
[FUSE_RELEASE] = "RELEASE",
[FUSE_FSYNC] = "FSYNC",
[FUSE_SETXATTR] = "SETXATTR",
[FUSE_GETXATTR] = "GETXATTR",
[FUSE_LISTXATTR] = "LISTXATTR",
[FUSE_REMOVEXATTR] = "REMOVEXATTR",
[FUSE_FLUSH] = "FLUSH",
[FUSE_INIT] = "INIT",
[FUSE_OPENDIR] = "OPENDIR",
[FUSE_READDIR] = "READDIR",
[FUSE_RELEASEDIR] = "RELEASEDIR",
[FUSE_FSYNCDIR] = "FSYNCDIR",
[FUSE_GETLK] = "GETLK",
[FUSE_SETLK] = "SETLK",
[FUSE_SETLKW] = "SETLKW",
[FUSE_ACCESS] = "ACCESS",
[FUSE_CREATE] = "CREATE",
[FUSE_INTERRUPT] = "INTERRUPT",
[FUSE_BMAP] = "BMAP",
[FUSE_DESTROY] = "DESTROY",
[FUSE_IOCTL] = "IOCTL",
[FUSE_POLL] = "POLL",
[FUSE_NOTIFY_REPLY] = "NOTIFY_REPLY",
[FUSE_BATCH_FORGET] = "BATCH_FORGET",
[FUSE_FALLOCATE] = "FALLOCATE",
[FUSE_READDIRPLUS] = "READDIRPLUS",
[FUSE_RENAME2] = "RENAME2",
[FUSE_LSEEK] = "LSEEK",
[FUSE_COPY_FILE_RANGE] = "COPY_FILE_RANGE",
[FUSE_SETUPMAPPING] = "SETUPMAPPING",
[FUSE_REMOVEMAPPING] = "REMOVEMAPPING"
"INVALID",
"LOOKUP",
"FORGET",
"GETATTR",
"SETATTR",
"READLINK",
"SYMLINK",
"MKNOD",
"MKDIR",
"UNLINK",
"RMDIR",
"RENAME",
"LINK",
"OPEN",
"READ",
"WRITE",
"STATFS",
"RELEASE",
"FSYNC",
"SETXATTR",
"GETXATTR",
"LISTXATTR",
"REMOVEXATTR",
"FLUSH",
"INIT",
"OPENDIR",
"READDIR",
"RELEASEDIR",
"FSYNCDIR",
"GETLK",
"SETLK",
"SETLKW",
"ACCESS",
"CREATE",
"INTERRUPT",
"BMAP",
"DESTROY",
"IOCTL",
"POLL",
"NOTIFY_REPLY",
"BATCH_FORGET",
"FALLOCATE",
"READDIRPLUS",
"RENAME2",
"LSEEK",
"COPY_FILE_RANGE",
"SETUPMAPPING",
"REMOVEMAPPING"
}; };
if(op_ >= (sizeof(names) / sizeof(names[0]))) if(op_ >= (sizeof(names) / sizeof(names[0])))
@ -1023,14 +1026,14 @@ debug_fuse_in_header(const struct fuse_in_header *hdr_)
const void *arg = &hdr_[1]; const void *arg = &hdr_[1];
fprintf(stderr, fprintf(stderr,
"unique=0x%016"PRIx64";"
"unique=0x%016" PRIx64 ";"
" opcode=%s (%u);" " opcode=%s (%u);"
" nodeid=%zu;" " nodeid=%zu;"
" uid=%u;" " uid=%u;"
" gid=%u;" " gid=%u;"
" pid=%u; || ", " pid=%u; || ",
hdr_->unique, hdr_->unique,
opcode_name(hdr_->opcode),
opcode_name((fuse_opcode)hdr_->opcode),
hdr_->opcode, hdr_->opcode,
hdr_->nodeid, hdr_->nodeid,
hdr_->uid, hdr_->uid,
@ -1043,7 +1046,7 @@ debug_fuse_in_header(const struct fuse_in_header *hdr_)
debug_fuse_lookup(arg); debug_fuse_lookup(arg);
break; break;
case FUSE_INIT: case FUSE_INIT:
debug_fuse_init_in(arg);
debug_fuse_init_in((const fuse_init_in*)arg);
break; break;
case FUSE_GETATTR: case FUSE_GETATTR:
debug_fuse_getattr_in(arg); debug_fuse_getattr_in(arg);
@ -1136,10 +1139,10 @@ void
debug_fuse_out_header(const struct fuse_out_header *hdr_) debug_fuse_out_header(const struct fuse_out_header *hdr_)
{ {
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"unique=0x%016"PRIx64";"
"unique=0x%016" PRIx64 ";"
" opcode=RESPONSE;" " opcode=RESPONSE;"
" error=%d (%s);" " error=%d (%s);"
" len=%"PRIu64";"
" len=%" PRIu64 ";"
, ,
hdr_->unique, hdr_->unique,
hdr_->error, hdr_->error,
@ -1153,10 +1156,10 @@ debug_fuse_entry_open_out(const uint64_t unique_,
const struct fuse_open_out *open_) const struct fuse_open_out *open_)
{ {
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"unique=0x%016"PRIx64";"
"unique=0x%016" PRIx64 ";"
" opcode=RESPONSE;" " opcode=RESPONSE;"
" error=0 (Success);" " error=0 (Success);"
" len=%"PRIu64"; || "
" len=%" PRIu64 "; || "
, ,
unique_, unique_,
sizeof(struct fuse_entry_out) + sizeof(struct fuse_open_out)); sizeof(struct fuse_entry_out) + sizeof(struct fuse_open_out));
@ -1169,10 +1172,10 @@ debug_fuse_readlink(const uint64_t unique_,
const char *linkname_) const char *linkname_)
{ {
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"unique=0x%016"PRIx64";"
"unique=0x%016" PRIx64 ";"
" opcode=RESPONSE;" " opcode=RESPONSE;"
" error=0 (Success);" " error=0 (Success);"
" len=%"PRIu64"; || "
" len=%" PRIu64 "; || "
"readlink: linkname=%s" "readlink: linkname=%s"
"\n" "\n"
, ,
@ -1186,10 +1189,10 @@ debug_fuse_write_out(const uint64_t unique_,
const struct fuse_write_out *arg_) const struct fuse_write_out *arg_)
{ {
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"unique=0x%016"PRIx64";"
"unique=0x%016" PRIx64 ";"
" opcode=RESPONSE;" " opcode=RESPONSE;"
" error=0 (Success);" " error=0 (Success);"
" len=%"PRIu64"; || "
" len=%" PRIu64 "; || "
" fuse_write_out:" " fuse_write_out:"
" size=%u" " size=%u"
"\n" "\n"
@ -1204,16 +1207,16 @@ debug_fuse_statfs_out(const uint64_t unique_,
const struct fuse_statfs_out *arg_) const struct fuse_statfs_out *arg_)
{ {
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"unique=0x%016"PRIx64";"
"unique=0x%016" PRIx64 ";"
" opcode=RESPONSE;" " opcode=RESPONSE;"
" error=0 (Success);" " error=0 (Success);"
" len=%"PRIu64"; || "
" len=%" PRIu64 "; || "
" fuse_statfs_out:" " fuse_statfs_out:"
" blocks=%"PRIu64";"
" bfree=%"PRIu64";"
" bavail=%"PRIu64";"
" files=%"PRIu64";"
" ffree=%"PRIu64";"
" blocks=%" PRIu64 ";"
" bfree=%" PRIu64 ";"
" bavail=%" PRIu64 ";"
" files=%" PRIu64 ";"
" ffree=%" PRIu64 ";"
" bsize=%u;" " bsize=%u;"
" namelen=%u;" " namelen=%u;"
" frsize=%u;" " frsize=%u;"
@ -1236,10 +1239,10 @@ debug_fuse_getxattr_out(const uint64_t unique_,
const struct fuse_getxattr_out *arg_) const struct fuse_getxattr_out *arg_)
{ {
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"unique=0x%016"PRIx64";"
"unique=0x%016" PRIx64 ";"
" opcode=RESPONSE;" " opcode=RESPONSE;"
" error=0 (Success);" " error=0 (Success);"
" len=%"PRIu64"; || "
" len=%" PRIu64 "; || "
" fuse_getxattr_out:" " fuse_getxattr_out:"
" size=%u;" " size=%u;"
"\n" "\n"
@ -1255,13 +1258,13 @@ debug_fuse_lk_out(const uint64_t unique_,
const struct fuse_lk_out *arg_) const struct fuse_lk_out *arg_)
{ {
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"unique=0x%016"PRIx64";"
"unique=0x%016" PRIx64 ";"
" opcode=RESPONSE;" " opcode=RESPONSE;"
" error=0 (Success);" " error=0 (Success);"
" len=%"PRIu64"; || "
" len=%" PRIu64 "; || "
" fuse_file_lock:" " fuse_file_lock:"
" start=%"PRIu64";"
" end=%"PRIu64";"
" start=%" PRIu64 ";"
" end=%" PRIu64 ";"
" type=%u;" " type=%u;"
" pid=%u;" " pid=%u;"
"\n" "\n"
@ -1279,12 +1282,12 @@ debug_fuse_bmap_out(const uint64_t unique_,
const struct fuse_bmap_out *arg_) const struct fuse_bmap_out *arg_)
{ {
fprintf(g_OUTPUT, fprintf(g_OUTPUT,
"unique=0x%016"PRIx64";"
"unique=0x%016" PRIx64 ";"
" opcode=RESPONSE;" " opcode=RESPONSE;"
" error=0 (Success);" " error=0 (Success);"
" len=%"PRIu64"; || "
" len=%" PRIu64 "; || "
" fuse_bmap_out:" " fuse_bmap_out:"
" block=%"PRIu64";"
" block=%" PRIu64 ";"
"\n" "\n"
, ,
unique_, unique_,

0
libfuse/lib/debug.h → libfuse/lib/debug.hpp
View File

178
libfuse/lib/fuse_lowlevel.c → libfuse/lib/fuse_lowlevel.cpp
View File

@ -6,12 +6,14 @@
See the file COPYING.LIB See the file COPYING.LIB
*/ */
#ifndef _GNU_SOURCE
#define _GNU_SOURCE #define _GNU_SOURCE
#endif
#include "lfmp.h" #include "lfmp.h"
#include "config.h" #include "config.h"
#include "debug.h"
#include "debug.hpp"
#include "fuse_i.h" #include "fuse_i.h"
#include "fuse_kernel.h" #include "fuse_kernel.h"
#include "fuse_opt.h" #include "fuse_opt.h"
@ -41,7 +43,7 @@
#define OFFSET_MAX 0x7fffffffffffffffLL #define OFFSET_MAX 0x7fffffffffffffffLL
#define container_of(ptr, type, member) ({ \ #define container_of(ptr, type, member) ({ \
const typeof( ((type*)0)->member ) *__mptr = (ptr); \
const decltype( ((type*)0)->member ) *__mptr = (ptr); \
(type *)( (char*)__mptr - offsetof(type,member) );}) (type *)( (char*)__mptr - offsetof(type,member) );})
static size_t pagesize; static size_t pagesize;
@ -135,7 +137,7 @@ fuse_send_msg(struct fuse_ll *f,
int count) int count)
{ {
int rv; int rv;
struct fuse_out_header *out = iov[0].iov_base;
struct fuse_out_header *out = (fuse_out_header*)iov[0].iov_base;
out->len = iov_length(iov, count); out->len = iov_length(iov, count);
@ -410,7 +412,7 @@ fuse_send_data_iov_fallback(struct fuse_ll *f,
return -ENOMEM; return -ENOMEM;
mem_buf.buf[0].mem = msgbuf->mem; mem_buf.buf[0].mem = msgbuf->mem;
res = fuse_buf_copy(&mem_buf, buf, 0);
res = fuse_buf_copy(&mem_buf, buf, (fuse_buf_copy_flags)0);
if(res < 0) if(res < 0)
{ {
msgbuf_free(msgbuf); msgbuf_free(msgbuf);
@ -550,7 +552,7 @@ fuse_ioctl_iovec_copy(const struct iovec *iov,
struct fuse_ioctl_iovec *fiov; struct fuse_ioctl_iovec *fiov;
size_t i; size_t i;
fiov = malloc(sizeof(fiov[0]) * count);
fiov = (fuse_ioctl_iovec*)malloc(sizeof(fiov[0]) * count);
if(!fiov) if(!fiov)
return NULL; return NULL;
@ -683,7 +685,7 @@ fuse_reply_ioctl_iov(fuse_req_t req,
struct fuse_ioctl_out arg = {0}; struct fuse_ioctl_out arg = {0};
int res; int res;
padded_iov = malloc((count + 2) * sizeof(struct iovec));
padded_iov = (iovec*)malloc((count + 2) * sizeof(struct iovec));
if(padded_iov == NULL) if(padded_iov == NULL)
return fuse_reply_err(req, ENOMEM); return fuse_reply_err(req, ENOMEM);
@ -896,8 +898,8 @@ do_readdir(fuse_req_t req,
static static
void void
do_readdir_plus(fuse_req_t req_,
struct fuse_in_header *hdr_)
do_readdirplus(fuse_req_t req_,
struct fuse_in_header *hdr_)
{ {
req_->f->op.readdir_plus(req_,hdr_); req_->f->op.readdir_plus(req_,hdr_);
} }
@ -1403,6 +1405,33 @@ do_tmpfile(fuse_req_t req_,
req_->f->op.tmpfile(req_,hdr_); req_->f->op.tmpfile(req_,hdr_);
} }
static
void
do_statx(fuse_req_t req_,
struct fuse_in_header *hdr_)
{
printf("statx\n");
req_->f->op.statx(req_,hdr_);
}
static
void
do_rename2(fuse_req_t req_,
struct fuse_in_header *hdr_)
{
printf("rename2\n");
req_->f->op.rename2(req_,hdr_);
}
static
void
do_lseek(fuse_req_t req_,
struct fuse_in_header *hdr_)
{
printf("lseek\n");
req_->f->op.lseek(req_,hdr_);
}
static static
int int
send_notify_iov(struct fuse_ll *f, send_notify_iov(struct fuse_ll *f,
@ -1624,7 +1653,7 @@ fuse_lowlevel_notify_retrieve(struct fuse_chan *ch,
if(f->conn.proto_minor < 15) if(f->conn.proto_minor < 15)
return -ENOSYS; return -ENOSYS;
rreq = malloc(sizeof(*rreq));
rreq = (fuse_retrieve_req*)malloc(sizeof(*rreq));
if(rreq == NULL) if(rreq == NULL)
return -ENOMEM; return -ENOMEM;
@ -1668,61 +1697,66 @@ fuse_req_ctx(fuse_req_t req)
return &req->ctx; return &req->ctx;
} }
static struct {
void (*func)(fuse_req_t, struct fuse_in_header *);
const char *name;
} fuse_ll_ops[] =
typedef void (*fuse_ll_func)(fuse_req_t, struct fuse_in_header *);
const
fuse_ll_func
fuse_ll_funcs[] =
{ {
[FUSE_LOOKUP] = { do_lookup, "LOOKUP" },
[FUSE_FORGET] = { do_forget, "FORGET" },
[FUSE_GETATTR] = { do_getattr, "GETATTR" },
[FUSE_SETATTR] = { do_setattr, "SETATTR" },
[FUSE_READLINK] = { do_readlink, "READLINK" },
[FUSE_SYMLINK] = { do_symlink, "SYMLINK" },
[FUSE_MKNOD] = { do_mknod, "MKNOD" },
[FUSE_MKDIR] = { do_mkdir, "MKDIR" },
[FUSE_UNLINK] = { do_unlink, "UNLINK" },
[FUSE_RMDIR] = { do_rmdir, "RMDIR" },
[FUSE_RENAME] = { do_rename, "RENAME" },
[FUSE_LINK] = { do_link, "LINK" },
[FUSE_OPEN] = { do_open, "OPEN" },
[FUSE_READ] = { do_read, "READ" },
[FUSE_WRITE] = { do_write, "WRITE" },
[FUSE_STATFS] = { do_statfs, "STATFS" },
[FUSE_RELEASE] = { do_release, "RELEASE" },
[FUSE_FSYNC] = { do_fsync, "FSYNC" },
[FUSE_SETXATTR] = { do_setxattr, "SETXATTR" },
[FUSE_GETXATTR] = { do_getxattr, "GETXATTR" },
[FUSE_LISTXATTR] = { do_listxattr, "LISTXATTR" },
[FUSE_REMOVEXATTR] = { do_removexattr, "REMOVEXATTR" },
[FUSE_FLUSH] = { do_flush, "FLUSH" },
[FUSE_INIT] = { do_init, "INIT" },
[FUSE_OPENDIR] = { do_opendir, "OPENDIR" },
[FUSE_READDIR] = { do_readdir, "READDIR" },
[FUSE_READDIRPLUS] = { do_readdir_plus, "READDIR_PLUS" },
[FUSE_RELEASEDIR] = { do_releasedir, "RELEASEDIR" },
[FUSE_FSYNCDIR] = { do_fsyncdir, "FSYNCDIR" },
[FUSE_GETLK] = { do_getlk, "GETLK" },
[FUSE_SETLK] = { do_setlk, "SETLK" },
[FUSE_SETLKW] = { do_setlkw, "SETLKW" },
[FUSE_ACCESS] = { do_access, "ACCESS" },
[FUSE_CREATE] = { do_create, "CREATE" },
[FUSE_INTERRUPT] = { do_interrupt, "INTERRUPT" },
[FUSE_BMAP] = { do_bmap, "BMAP" },
[FUSE_IOCTL] = { do_ioctl, "IOCTL" },
[FUSE_POLL] = { do_poll, "POLL" },
[FUSE_FALLOCATE] = { do_fallocate, "FALLOCATE" },
[FUSE_DESTROY] = { do_destroy, "DESTROY" },
[FUSE_NOTIFY_REPLY] = { do_notify_reply, "NOTIFY_REPLY" },
[FUSE_BATCH_FORGET] = { do_batch_forget, "BATCH_FORGET" },
[FUSE_COPY_FILE_RANGE] = { do_copy_file_range, "COPY_FILE_RANGE" },
[FUSE_SETUPMAPPING] = { do_setupmapping, "SETUPMAPPING" },
[FUSE_REMOVEMAPPING] = { do_removemapping, "REMOVEMAPPING" },
[FUSE_SYNCFS] = { do_syncfs, "SYNCFS" },
[FUSE_TMPFILE] = { do_tmpfile, "TMPFILE" }
NULL,
do_lookup,
do_forget,
do_getattr,
do_setattr,
do_readlink,
do_symlink,
do_mknod,
do_mkdir,
do_unlink,
do_rmdir,
do_rename,
do_link,
do_open,
do_read,
do_write,
do_statfs,
do_release,
do_fsync,
do_setxattr,
do_getxattr,
do_listxattr,
do_removexattr,
do_flush,
do_init,
do_opendir,
do_readdir,
do_releasedir,
do_fsyncdir,
do_getlk,
do_setlk,
do_setlkw,
do_access,
do_create,
do_interrupt,
do_bmap,
do_destroy,
do_ioctl,
do_poll,
do_notify_reply,
do_batch_forget,
do_fallocate,
do_readdirplus,
do_rename2,
do_lseek,
do_copy_file_range,
do_setupmapping,
do_removemapping,
do_syncfs,
do_tmpfile,
do_statx
}; };
#define FUSE_MAXOP (sizeof(fuse_ll_ops) / sizeof(fuse_ll_ops[0]))
#define FUSE_MAXOPS (sizeof(fuse_ll_funcs) / sizeof(fuse_ll_funcs[0]))
enum { enum {
KEY_HELP, KEY_HELP,
@ -1816,7 +1850,7 @@ fuse_ll_destroy(void *data)
f->op.destroy(f->userdata); f->op.destroy(f->userdata);
} }
llp = pthread_getspecific(f->pipe_key);
llp = (fuse_ll_pipe*)pthread_getspecific(f->pipe_key);
if(llp != NULL) if(llp != NULL)
fuse_ll_pipe_free(llp); fuse_ll_pipe_free(llp);
pthread_key_delete(f->pipe_key); pthread_key_delete(f->pipe_key);
@ -1830,7 +1864,7 @@ static
void void
fuse_ll_pipe_destructor(void *data) fuse_ll_pipe_destructor(void *data)
{ {
struct fuse_ll_pipe *llp = data;
struct fuse_ll_pipe *llp = (fuse_ll_pipe*)data;
fuse_ll_pipe_free(llp); fuse_ll_pipe_free(llp);
} }
@ -1872,7 +1906,7 @@ fuse_ll_buf_receive_read(struct fuse_session *se_,
if(rv == -1) if(rv == -1)
return -errno; return -errno;
if(rv < sizeof(struct fuse_in_header))
if(rv < (int)sizeof(struct fuse_in_header))
{ {
fprintf(stderr, "short read from fuse device\n"); fprintf(stderr, "short read from fuse device\n");
return -EIO; return -EIO;
@ -1905,12 +1939,12 @@ fuse_ll_buf_process_read(struct fuse_session *se_,
req->ch = se_->ch; req->ch = se_->ch;
err = ENOSYS; err = ENOSYS;
if(in->opcode >= FUSE_MAXOP)
if(in->opcode >= FUSE_MAXOPS)
goto reply_err; goto reply_err;
if(fuse_ll_ops[in->opcode].func == NULL)
if(fuse_ll_funcs[in->opcode] == NULL)
goto reply_err; goto reply_err;
fuse_ll_ops[in->opcode].func(req, in);
fuse_ll_funcs[in->opcode](req, in);
return; return;
@ -1943,12 +1977,12 @@ fuse_ll_buf_process_read_init(struct fuse_session *se_,
err = EIO; err = EIO;
if(in->opcode != FUSE_INIT) if(in->opcode != FUSE_INIT)
goto reply_err; goto reply_err;
if(fuse_ll_ops[in->opcode].func == NULL)
if(fuse_ll_funcs[in->opcode] == NULL)
goto reply_err; goto reply_err;
se_->process_buf = fuse_ll_buf_process_read; se_->process_buf = fuse_ll_buf_process_read;
fuse_ll_ops[in->opcode].func(req, in);
fuse_ll_funcs[in->opcode](req, in);
return; return;
@ -2007,9 +2041,9 @@ fuse_lowlevel_new_common(struct fuse_args *args,
f->userdata = userdata; f->userdata = userdata;
se = fuse_session_new(f, se = fuse_session_new(f,
fuse_ll_buf_receive_read,
fuse_ll_buf_process_read_init,
fuse_ll_destroy);
(void*)fuse_ll_buf_receive_read,
(void*)fuse_ll_buf_process_read_init,
(void*)fuse_ll_destroy);
if(!se) if(!se)
goto out_key_destroy; goto out_key_destroy;
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