static int phoenixfs_getattr(const char *path, struct stat *stbuf)
{
struct file_record *fr;
struct dir_record *dr;
int rev;
rev = parse_pathspec(xpath, path);
build_xpath(openpath, xpath, rev);
PHOENIXFS_DBG("getattr:: %s %d", openpath, rev);
/* Try underlying FS */
if (lstat(openpath, stbuf) < 0) {
/* Try fstree */
if (!(dr = find_dr(xpath))) {
if (!(fr = find_fr(xpath, rev)))
return -ENOENT;
else {
memset(stbuf, 0, sizeof(struct stat));
fill_stat(stbuf, fr);
return 0;
}
}
memset(stbuf, 0, sizeof(struct stat));
stbuf->st_mode = S_IFDIR | 0755;
}
return 0;
}
gsuint gs_mtime ( const char *name ) // modification time of the file as a Unix timestamp
{
if ( !fill_stat(name) ) return 0;
if ( _lstat.st_mtime ) return (gsuint) _lstat.st_mtime;
if ( _lstat.st_atime ) return (gsuint) _lstat.st_atime;
return (gsuint) _lstat.st_ctime;
}
static int phoenixfs_readdir(const char *path, void *buf, fuse_fill_dir_t filler,
off_t offset, struct fuse_file_info *fi)
{
DIR *dp;
struct dirent *de;
struct stat st;
void *record;
struct node *iter_root, *iter;
struct vfile_record *vfr;
struct dir_record *dr;
register int i;
dp = (DIR *) (uintptr_t) fi->fh;
if (!(de = readdir(dp)))
return -errno;
/* Fill directories from backing FS */
do {
/* Hide the .git directory, and enumerate only directories */
if (strcmp(de->d_name, ".git") && de->d_type == DT_DIR) {
PHOENIXFS_DBG("readdir:: fs: %s", de->d_name);
if (filler(buf, de->d_name, NULL, 0))
return -ENOMEM;
}
} while ((de = readdir(dp)) != NULL);
/* Fill files from fstree */
if (!(dr = find_dr(path)) || !dr->vroot) {
PHOENIXFS_DBG("readdir:: fstree: blank");
return 0;
}
iter_root = dr->vroot;
iter = dr->vroot;
/* Use only the leaves */
while (!iter->is_leaf)
iter = iter->pointers[0];
while (1) {
for (i = 0; i < iter->num_keys; i++) {
if (!(record = find(iter_root, iter->keys[i], 0)))
PHOENIXFS_DBG("readdir:: key listing issue");
vfr = (struct vfile_record *) record;
fill_stat(&st, vfr->history[vfr->HEAD]);
PHOENIXFS_DBG("readdir:: tree fill: %s", (const char *) vfr->name);
if (filler(buf, (const char *) vfr->name, &st, 0))
return -ENOMEM;
}
if (iter->pointers && iter->pointers[BTREE_ORDER - 1] != NULL)
iter = iter->pointers[BTREE_ORDER - 1];
else
break;
}
return 0;
}
int os_file_stat_fd(int fd, struct os_file_stat *buf, int *pfile_errno)
{
struct stat sb;
if (fstat(fd, &sb) == -1) {
*pfile_errno = errno;
buf->flags = FILE_FLAG_IS_ERROR;
return -1;
}
fill_stat(buf, &sb);
return 0;
}
int os_file_stat(const char *path, struct os_file_stat *buf, int *pfile_errno)
{
struct stat sb;
if (stat(path, &sb) == -1) {
*pfile_errno = errno;
buf->flags = FILE_FLAG_IS_ERROR;
return -1;
}
fill_stat(buf, &sb);
return 0;
}
static
void fill_fd(struct fd *pfd, int flags, const FILINFO *fno)
{
pfd->isatty = 0;
pfd->isopen = 1;
pfd->close = fatfs_close;
pfd->status_flags = flags;
pfd->descriptor_flags = 0;
if (!((fno->fattrib & AM_MASK) & AM_DIR))
{
pfd->write = fatfs_write;
pfd->read = fatfs_read;
}
fill_stat(fno, &pfd->stat);
}
static void serve_getattr(fuse_req_t req, fuse_ino_t fuse_ino, struct fuse_file_info * fi)
{
Dprintf("%s(ino = %lu)\n", __FUNCTION__, fuse_ino);
struct stat stbuf;
int r;
(void) fi;
memset(&stbuf, 0, sizeof(stbuf));
r = fill_stat(reqmount(req), fusecfsino(req, fuse_ino), fuse_ino, &stbuf);
if (r < 0)
r = fuse_reply_err(req, -r);
else
r = fuse_reply_attr(req, &stbuf, STDTIMEOUT);
fuse_reply_assert(!r);
}
static int init_fuse_entry(mount_t * mount, inode_t parent, inode_t cfs_ino, fuse_ino_t fuse_ino, struct fuse_entry_param * e)
{
int r;
r = hash_map_insert(mount->parents, (void *) cfs_ino, (void *) parent);
if (r < 0)
return r;
memset(e, 0, sizeof(*e));
e->ino = fuse_ino;
e->attr_timeout = STDTIMEOUT;
e->entry_timeout = STDTIMEOUT;
r = fill_stat(mount, cfs_ino, e->ino, &e->attr);
assert(r >= 0);
return 0;
}
unsigned long long gs_sizel ( const char* name )
{
if ( !fill_stat(name) ) return 0;
return (unsigned long long)_lstat.st_size;
}
gsuint gs_size ( const char* name )
{
if ( !fill_stat(name) ) return 0;
return (gsuint)_lstat.st_size;
}
bool gs_isdir ( const char* name )
{
if ( !fill_stat(name) ) return false;
return ( _lstat.st_mode&0170000 )==0040000;
}
bool gs_exist ( const char* name )
{
return name && *name && fill_stat(name);
}
static void serve_setattr(fuse_req_t req, fuse_ino_t fuse_ino, struct stat * attr,
int to_set, struct fuse_file_info * fi)
{
inode_t cfs_ino = fusecfsino(req, fuse_ino);
int supported = FUSE_SET_ATTR_SIZE;
bool uid_supported = feature_supported(reqcfs(req), FSTITCH_FEATURE_UID);
bool gid_supported = feature_supported(reqcfs(req), FSTITCH_FEATURE_GID);
bool perms_supported = feature_supported(reqcfs(req), FSTITCH_FEATURE_UNIX_PERM);
bool mtime_supported = feature_supported(reqcfs(req), FSTITCH_FEATURE_MTIME);
bool atime_supported = feature_supported(reqcfs(req), FSTITCH_FEATURE_MTIME);
struct stat stbuf;
int r;
Dprintf("%s(ino = %lu, to_set = %d)\n", __FUNCTION__, fuse_ino, to_set);
if (uid_supported)
supported |= FUSE_SET_ATTR_UID;
if (gid_supported)
supported |= FUSE_SET_ATTR_GID;
if (perms_supported)
supported |= FUSE_SET_ATTR_MODE;
if (mtime_supported)
supported |= FUSE_SET_ATTR_MTIME;
if (atime_supported)
supported |= FUSE_SET_ATTR_ATIME;
if (to_set != (to_set & supported))
{
r = fuse_reply_err(req, ENOSYS);
fuse_reply_assert(!r);
return;
}
if (to_set & FUSE_SET_ATTR_SIZE)
{
fdesc_t * fdesc;
uint32_t size;
size = (uint32_t) attr->st_size;
assert(size == attr->st_size);
Dprintf("\tsize = %u\n", size);
if (fi)
fdesc = fi_get_fdesc(fi);
else
{
r = CALL(reqcfs(req), open, cfs_ino, 0, &fdesc);
if (r < 0)
{
r = fuse_reply_err(req, -r);
fuse_reply_assert(!r);
return;
}
fdesc->common->parent = (inode_t) hash_map_find_val(reqmount(req)->parents, (void *) cfs_ino);
assert(fdesc->common->parent != INODE_NONE);
}
r = CALL(reqcfs(req), truncate, fdesc, size);
if (!fi)
{
r = CALL(reqcfs(req), close, fdesc);
if (r < 0)
{
r = fuse_reply_err(req, -r);
fuse_reply_assert(!r);
return;
}
}
if (r < 0)
{
r = fuse_reply_err(req, -r);
fuse_reply_assert(!r);
return;
}
}
fsmetadata_t fsm[5];
uint32_t nfsm = 0;
if (to_set & FUSE_SET_ATTR_UID)
{
fsm[nfsm].fsm_feature = FSTITCH_FEATURE_UID;
fsm[nfsm].fsm_value.u = attr->st_uid;
nfsm++;
}
if (to_set & FUSE_SET_ATTR_GID)
{
fsm[nfsm].fsm_feature = FSTITCH_FEATURE_GID;
fsm[nfsm].fsm_value.u = attr->st_gid;
nfsm++;
}
if (to_set & FUSE_SET_ATTR_MODE)
{
fsm[nfsm].fsm_feature = FSTITCH_FEATURE_UNIX_PERM;
fsm[nfsm].fsm_value.u = attr->st_mode;
nfsm++;
}
if (to_set & FUSE_SET_ATTR_MTIME)
{
fsm[nfsm].fsm_feature = FSTITCH_FEATURE_MTIME;
fsm[nfsm].fsm_value.u = attr->st_mtime;
nfsm++;
}
if (to_set & FUSE_SET_ATTR_ATIME)
{
// XXX Why did we use attr->st_mtime here?
fsm[nfsm].fsm_feature = FSTITCH_FEATURE_ATIME;
fsm[nfsm].fsm_value.u = attr->st_atime;
nfsm++;
}
if (nfsm > 0) {
r = CALL(reqcfs(req), set_metadata2, cfs_ino, fsm, nfsm);
if (r < 0)
{
r = fuse_reply_err(req, -r);
fuse_reply_assert(!r);
return;
}
}
memset(&stbuf, 0, sizeof(stbuf));
r = fill_stat(reqmount(req), cfs_ino, fuse_ino, &stbuf);
if (r < 0)
r = fuse_reply_err(req, -r);
else
r = fuse_reply_attr(req, &stbuf, STDTIMEOUT);
fuse_reply_assert(!r);
}
