static void overlay_lookup_noncached(fuse_req_t req, struct inode_struct *pinode, struct name_struct *xname, struct call_info_struct *call_info)
{
struct resource_struct *resource=call_info->object->resource;
struct localfile_struct *localfile=(struct localfile_struct *) resource->data;
struct pathinfo_struct *pathinfo=&call_info->pathinfo;
unsigned int len0=pathinfo->len - call_info->relpath, len1=localfile->pathinfo.len;
char path[len0 + len1 + 1];
struct stat st;
memcpy(path, localfile->pathinfo.path, len1);
if (len0>0) {
memcpy(path+len1, pathinfo->path + call_info->relpath, len0);
len1+=len0;
}
path[len1]='\0';
memset(&st, 0, sizeof(struct stat));
logoutput("overlayfs_lookup_cached, path %s", path);
if (lstat(path, &st)==-1) {
fuse_reply_err(req, ENOENT);
} else {
struct entry_struct *entry=NULL, *parent=pinode->alias;
struct inode_struct *inode;
entry=create_entry(parent, xname);
inode=create_inode();
if (entry && inode) {
struct fuse_entry_param e;
unsigned int error=0;
add_inode_hashtable(inode, increase_inodes_workspace, (void *) call_info->workspace_mount);
insert_entry(entry, &error, 0);
adjust_pathmax(call_info->pathinfo.len);
e.ino = inode->ino;
e.generation = 1;
e.attr_timeout = fs_options.attr_timeout;
e.entry_timeout = fs_options.entry_timeout;
e.attr.st_ino = e.ino;
e.attr.st_mode = st.st_mode;
e.attr.st_nlink = st.st_nlink;
e.attr.st_uid = st.st_uid;
e.attr.st_gid = st.st_gid;
e.attr.st_rdev = st.st_rdev;
e.attr.st_atim.tv_sec = st.st_atim.tv_sec;
e.attr.st_atim.tv_nsec = st.st_atim.tv_nsec;
e.attr.st_mtim.tv_sec = st.st_mtim.tv_sec;
e.attr.st_mtim.tv_nsec = st.st_mtim.tv_nsec;
e.attr.st_ctim.tv_sec = st.st_ctim.tv_sec;
e.attr.st_ctim.tv_nsec = st.st_ctim.tv_nsec;
e.attr.st_blksize=4096;
e.attr.st_blocks=0;
inode->mode=st.st_mode;
inode->nlink=st.st_nlink;
inode->uid=st.st_uid;
inode->gid=st.st_gid;
inode->rdev=st.st_rdev;
if (S_ISDIR(st.st_mode)) {
e.attr.st_size = 0;
} else {
inode->size=st.st_size;
e.attr.st_size = st.st_size;
}
inode->mtim.tv_sec=st.st_mtim.tv_sec;
inode->mtim.tv_nsec=st.st_mtim.tv_nsec;
inode->ctim.tv_sec=st.st_ctim.tv_sec;
inode->ctim.tv_nsec=st.st_ctim.tv_nsec;
fuse_reply_entry(req, &e);
} else {
/* not enough memory to allocate entry and/or inode */
if (entry) {
destroy_entry(entry);
entry=NULL;
}
if (inode) {
free(inode);
inode=NULL;
}
fuse_reply_err(req, ENOMEM);
}
}
free_path_pathinfo(&call_info->pathinfo);
}
static void overlay_mknod(fuse_req_t req, struct inode_struct *pinode, struct name_struct *xname, struct call_info_struct *call_info, mode_t mode, dev_t rdev)
{
struct resource_struct *resource=call_info->object->resource;
struct localfile_struct *localfile=(struct localfile_struct *) resource->data;
struct pathinfo_struct *pathinfo=&call_info->pathinfo;
unsigned int len0=pathinfo->len - call_info->relpath, len1=localfile->pathinfo.len;
char path[len0 + len1 + 1];
struct entry_struct *entry=NULL, *parent=pinode->alias;
struct inode_struct *inode;
memcpy(path, localfile->pathinfo.path, len1);
if (len0>0) {
memcpy(path+len1, pathinfo->path + call_info->relpath, len0);
len1+=len0;
}
path[len1]='\0';
entry=create_entry(parent, xname);
inode=create_inode();
if (entry && inode) {
struct entry_struct *result=NULL;
unsigned int error=0;
entry->inode=inode;
inode->alias=entry;
result=insert_entry(entry, &error, _ENTRY_FLAG_TEMP);
if (result==entry) {
uid_t uid_keep=setfsuid(call_info->uid);
gid_t gid_keep=setfsgid(call_info->gid);
mode_t umask_keep=umask(call_info->umask);
mode = (mode & ~call_info->umask);
if (mknod(path, mode, rdev)==0) {
struct fuse_entry_param e;
adjust_pathmax(call_info->pathinfo.len);
add_inode_hashtable(inode, increase_inodes_workspace, (void *) call_info->workspace_mount);
/* here complete the insert ?? */
inode->mode=mode;
inode->nlink=1;
inode->uid=call_info->uid;
inode->gid=call_info->gid;
inode->nlookup=1;
inode->rdev=rdev;
inode->size=0;
get_current_time(&inode->mtim);
memcpy(&inode->ctim, &inode->mtim, sizeof(struct timespec));
memset(&e, 0, sizeof(e));
e.ino = inode->ino;
e.generation = 1;
e.attr.st_ino = e.ino;
e.attr.st_mode = inode->mode;
e.attr.st_nlink = inode->nlink;
e.attr.st_dev = 0;
e.attr.st_uid=inode->uid;
e.attr.st_gid=inode->gid;
e.attr.st_size=inode->size;
e.attr.st_rdev=inode->rdev;
memcpy(&e.attr.st_mtim, &inode->mtim, sizeof(struct timespec));
memcpy(&e.attr.st_ctim, &inode->mtim, sizeof(struct timespec));
memcpy(&e.attr.st_atim, &inode->mtim, sizeof(struct timespec));
e.attr_timeout = fs_options.attr_timeout;
e.entry_timeout = fs_options.entry_timeout;
e.attr.st_blksize=4096;
e.attr.st_blocks=0;
fuse_reply_entry(req, &e);
} else {
unsigned int error_delete=0;
error=errno;
remove_entry(entry, &error_delete);
destroy_entry(entry);
entry=NULL;
free(inode);
inode=NULL;
fuse_reply_err(req, error);
}
uid_keep=setfsuid(uid_keep);
gid_keep=setfsgid(gid_keep);
umask_keep=umask(umask_keep);
} else {
destroy_entry(entry);
entry=NULL;
free(inode);
inode=NULL;
if (error==0) error=EEXIST;
fuse_reply_err(req, error);
}
} else {
if (entry) {
destroy_entry(entry);
entry=NULL;
}
if (inode) {
free(inode);
inode=NULL;
}
fuse_reply_err(req, ENOMEM);
}
}
static void overlay_readdirplus_full(fuse_req_t req, size_t size, off_t offset, struct workspace_dh_struct *dh)
{
unsigned int error=0;
char *buff=NULL;
size_t pos=0;
size_t dirent_size;
struct fuse_entry_param e;
char *name=NULL;
struct directory_struct *directory=dh->directory;
struct overlay_readdir_struct *overlay_readdir=(struct overlay_readdir_struct *)dh->handle.data;
struct entry_struct *entry, *result;
struct inode_struct *inode;
unsigned char dtype;
struct name_struct xname={NULL, 0, 0};
int res=0;
memset(&e, 0, sizeof(struct fuse_entry_param));
e.generation = 1;
e.attr_timeout = fs_options.attr_timeout;
e.entry_timeout = fs_options.entry_timeout;
e.attr.st_blksize=4096;
e.attr.st_blocks=0;
buff=malloc(size);
if (! buff) {
error=ENOMEM;
goto error;
}
if (lock_directory(directory, _DIRECTORY_LOCK_EXCL)==-1) {
free(buff);
buff=NULL;
error=EAGAIN;
goto error;
}
while (pos<size) {
if (offset==0) {
inode=dh->parent->inode;
/* the . entry */
e.ino = inode->ino;
e.attr.st_ino = e.ino;
e.attr.st_mode = inode->mode;
e.attr.st_nlink = inode->nlink;
e.attr.st_uid = inode->uid;
e.attr.st_gid = inode->gid;
e.attr.st_rdev = inode->rdev;
e.attr.st_size = 0;
e.attr.st_atim.tv_sec = 0;
e.attr.st_atim.tv_nsec = 0;
e.attr.st_mtim.tv_sec = inode->mtim.tv_sec;
e.attr.st_mtim.tv_nsec = inode->mtim.tv_nsec;
e.attr.st_ctim.tv_sec = inode->ctim.tv_sec;
e.attr.st_ctim.tv_nsec = inode->ctim.tv_nsec;
name = (char *) dotname;
inode->nlookup++;
} else if (offset==1) {
/* the .. entry */
if ( ! dh->parent->parent ) {
inode=dh->parent->inode;
} else {
inode=dh->parent->parent->inode;
}
e.ino = inode->ino;
e.attr.st_ino = e.ino;
e.attr.st_mode = inode->mode;
e.attr.st_nlink = inode->nlink;
e.attr.st_uid = inode->uid;
e.attr.st_gid = inode->gid;
e.attr.st_rdev = inode->rdev;
e.attr.st_size = 0;
e.attr.st_atim.tv_sec = 0;
e.attr.st_atim.tv_nsec = 0;
e.attr.st_mtim.tv_sec = inode->mtim.tv_sec;
e.attr.st_mtim.tv_nsec = inode->mtim.tv_nsec;
e.attr.st_ctim.tv_sec = inode->ctim.tv_sec;
e.attr.st_ctim.tv_nsec = inode->ctim.tv_nsec;
name = (char *) dotdotname;
inode->nlookup++;
} else {
if (! dh->entry) {
readdir:
res=get_direntry(overlay_readdir, &xname, &dtype, &error);
if (res<=0) {
if (res==-1) {
free(buff);
unlock_directory(directory, _DIRECTORY_LOCK_EXCL);
goto error;
}
dh->mode |= _WORKSPACE_READDIR_MODE_FINISH;
break;
}
if (fstatat(overlay_readdir->fd, xname.name, &e.attr, AT_SYMLINK_NOFOLLOW | AT_NO_AUTOMOUNT)==-1) {
goto readdir;
}
logoutput("overlayfs_readdirplus_real_full: read %s", xname.name);
xname.len=strlen(xname.name);
calculate_nameindex(&xname);
error=0;
entry=create_entry(dh->parent, &xname);
inode=create_inode();
if (entry && inode) {
result=insert_entry_batch(directory, entry, &error, 0);
if (result==entry) {
memcpy(&entry->synctime, &dh->synctime, sizeof(struct timespec));
inode->mode=DTTOIF(dtype);
add_inode_hashtable(inode, increase_inodes_workspace, (void *) dh->object->workspace_mount);
inode->alias=entry;
entry->inode=inode;
adjust_pathmax(dh->pathinfo.len + 1 + xname.len);
} else {
if (error==EEXIST) {
destroy_entry(entry);
entry=result;
memcpy(&entry->synctime, &dh->synctime, sizeof(struct timespec));
free(inode);
inode=entry->inode;
} else {
free(buff);
destroy_entry(entry);
free(inode);
goto error;
}
}
e.attr.st_ino=inode->ino;
e.ino=inode->ino;
e.attr.st_rdev = inode->rdev;
e.attr.st_dev = 0;
name=entry->name.name;
} else {
if (entry) {
destroy_entry(entry);
entry=NULL;
}
if (inode) {
free(inode);
inode=NULL;
}
error=ENOMEM;
free(buff);
goto error;
}
name=entry->name.name;
dh->entry=entry;
inode->mode = e.attr.st_mode;
inode->nlink = e.attr.st_nlink;
inode->uid = e.attr.st_uid;
inode->gid = e.attr.st_gid;
inode->rdev = e.attr.st_rdev;
inode->mtim.tv_sec = e.attr.st_mtim.tv_sec;
inode->mtim.tv_nsec = e.attr.st_mtim.tv_nsec;
inode->ctim.tv_sec = e.attr.st_ctim.tv_sec;
inode->ctim.tv_nsec = e.attr.st_ctim.tv_nsec;
if (S_ISDIR(e.attr.st_mode)) {
e.attr.st_size=0;
} else {
inode->size=e.attr.st_size;
}
} else {
entry=dh->entry;
inode=entry->inode;
name=entry->name.name;
e.attr.st_mode = inode->mode;
e.attr.st_nlink = inode->nlink;
e.attr.st_uid = inode->uid;
e.attr.st_gid = inode->gid;
e.attr.st_rdev = inode->rdev;
if (S_ISDIR(inode->mode)) {
e.attr.st_size = 0;
} else {
e.attr.st_size = inode->size;
}
e.attr.st_atim.tv_sec = 0;
e.attr.st_atim.tv_nsec = 0;
e.attr.st_mtim.tv_sec = inode->mtim.tv_sec;
e.attr.st_mtim.tv_nsec = inode->mtim.tv_nsec;
e.attr.st_ctim.tv_sec = inode->ctim.tv_sec;
e.attr.st_ctim.tv_nsec = inode->ctim.tv_nsec;
inode->nlookup++;
}
e.ino = inode->ino;
e.attr.st_ino = e.ino;
}
dirent_size=fuse_add_direntry_plus(req, buff+pos, size-pos, name, &e, offset+1);
if (pos + dirent_size > size) {
dh->offset=offset+1;
break;
}
/* increase counter and clear the various fields */
dh->entry=NULL; /* forget current entry to force readdir */
offset++;
pos += dirent_size;
}
unlock_directory(directory, _DIRECTORY_LOCK_EXCL);
fuse_reply_buf(req, buff, pos);
free(buff);
buff=NULL;
return;
error:
fuse_reply_err(req, error);
}
static void overlay_readdir_full(fuse_req_t req, size_t size, off_t offset, struct workspace_dh_struct *dh)
{
unsigned int error=0;
char *buff=NULL;
size_t pos=0;
size_t dirent_size;
struct stat st;
char *name=NULL;
struct directory_struct *directory=dh->directory;
struct overlay_readdir_struct *overlay_readdir=(struct overlay_readdir_struct *)dh->handle.data;
struct entry_struct *entry, *result;
struct inode_struct *inode;
struct name_struct xname={NULL, 0, 0};
unsigned char dtype=0;
int res;
memset(&st, 0, sizeof(struct stat));
buff=malloc(size);
if (! buff) {
error=ENOMEM;
goto error;
}
if (lock_directory(directory, _DIRECTORY_LOCK_EXCL)==-1) {
free(buff);
buff=NULL;
error=EAGAIN;
goto error;
}
while (pos<size) {
if (offset==0) {
inode=dh->parent->inode;
/* the . entry */
st.st_ino = inode->ino;
st.st_mode = S_IFDIR;
name = (char *) dotname;
} else if (offset==1) {
/* the .. entry */
if ( ! dh->parent->parent ) {
inode=dh->parent->inode;
st.st_ino = inode->ino;
} else {
struct entry_struct *parent=dh->parent->parent;
inode=parent->inode;
st.st_ino=inode->ino;
}
st.st_mode = S_IFDIR;
name = (char *) dotdotname;
} else {
if (! dh->entry) {
readdir:
res=get_direntry(overlay_readdir, &xname, &dtype, &error);
if (res<=0) {
if (res==-1) {
free(buff);
unlock_directory(directory, _DIRECTORY_LOCK_EXCL);
goto error;
}
dh->mode |= _WORKSPACE_READDIR_MODE_FINISH;
break;
}
xname.len=strlen(xname.name);
calculate_nameindex(&xname);
error=0;
entry=create_entry(dh->parent, &xname);
inode=create_inode();
if (entry && inode) {
result=insert_entry_batch(directory, entry, &error, 0);
if (result==entry) {
entry->inode->mode=DTTOIF(dtype);
add_inode_hashtable(inode, increase_inodes_workspace, (void *) dh->object->workspace_mount);
inode->alias=entry;
entry->inode=inode;
adjust_pathmax(dh->pathinfo.len + 1 + xname.len);
} else {
if (error==EEXIST) {
destroy_entry(entry);
entry=result;
free(inode);
inode=entry->inode;
} else {
free(buff);
destroy_entry(entry);
free(inode);
goto error;
}
}
st.st_mode=entry->inode->mode;
st.st_ino=entry->inode->ino;
name=entry->name.name;
} else {
if (entry) {
destroy_entry(entry);
entry=NULL;
}
if (inode) {
free(inode);
inode=NULL;
}
error=ENOMEM;
free(buff);
goto error;
}
dh->entry=entry;
} else {
entry=dh->entry;
st.st_ino=entry->inode->ino;
st.st_mode=entry->inode->mode;
name=entry->name.name;
}
}
dirent_size=fuse_add_direntry(req, buff+pos, size-pos, name, &st, offset+1);
if (pos + dirent_size > size) {
dh->offset = offset + 1;
break;
}
/* increase counter and clear the various fields */
dh->entry=NULL; /* forget current entry to force readdir */
offset++;
pos += dirent_size;
}
unlock_directory(directory, _DIRECTORY_LOCK_EXCL);
fuse_reply_buf(req, buff, pos);
free(buff);
buff=NULL;
return;
error:
fuse_reply_err(req, error);
}
static void workspace_nfs_mknod(fuse_req_t req, struct inode_struct *pinode, struct name_struct *xname, struct call_info_struct *call_info, mode_t mode, dev_t rdev)
{
struct resource_struct *resource=call_info->object->resource;
struct net_nfs_export_struct *nfs_export=(struct net_nfs_export_struct *) resource->data;
struct nfs_context *nfs_ctx=(struct nfs_context *) nfs_export->data;
char *path=call_info->pathinfo.path + call_info->relpath;
struct entry_struct *entry=NULL, *parent=pinode->alias;
struct inode_struct *inode;
logoutput("workspace_nfs_mknod, path %s", path);
entry=create_entry(parent, xname);
inode=create_inode();
if (entry && inode) {
int result=0;
inode->alias=entry;
entry->inode=inode;
pthread_mutex_lock(&nfs_export->mutex);
result=nfs_mknod(nfs_ctx, path, mode, rdev);
pthread_mutex_unlock(&nfs_export->mutex);
if (result==0) {
struct fuse_entry_param e;
unsigned int error=0;
struct stat st;
memset(&st, 0, sizeof(struct stat));
add_inode_hashtable(inode, increase_inodes_workspace, (void *) call_info->object->workspace_mount);
insert_entry(entry, &error, 0);
adjust_pathmax(call_info->pathinfo.len);
pthread_mutex_lock(&nfs_export->mutex);
nfs_chmod(nfs_ctx, path, mode);
nfs_stat(nfs_ctx, path, &st);
pthread_mutex_unlock(&nfs_export->mutex);
inode->nlookup=1;
inode->mode=st.st_mode;
inode->nlink=st.st_nlink;
inode->uid=st.st_uid;
inode->gid=st.st_gid;
inode->rdev=st.st_rdev;
inode->size=st.st_size;
inode->mtim.tv_sec=st.st_mtim.tv_sec;
inode->mtim.tv_nsec=st.st_mtim.tv_nsec;
inode->ctim.tv_sec=st.st_ctim.tv_sec;
inode->ctim.tv_nsec=st.st_ctim.tv_nsec;
e.ino = inode->ino;
e.generation = 1;
e.attr_timeout = fs_options.attr_timeout;
e.entry_timeout = fs_options.entry_timeout;
e.attr.st_ino = e.ino;
e.attr.st_mode = st.st_mode;
e.attr.st_nlink = st.st_nlink;
e.attr.st_uid = st.st_uid;
e.attr.st_gid = st.st_gid;
e.attr.st_rdev = st.st_rdev;
e.attr.st_atim.tv_sec = st.st_atim.tv_sec;
e.attr.st_atim.tv_nsec = st.st_atim.tv_nsec;
e.attr.st_mtim.tv_sec = st.st_mtim.tv_sec;
e.attr.st_mtim.tv_nsec = st.st_mtim.tv_nsec;
e.attr.st_ctim.tv_sec = st.st_ctim.tv_sec;
e.attr.st_ctim.tv_nsec = st.st_ctim.tv_nsec;
e.attr.st_blksize=_DEFAULT_BLOCKSIZE;
if (inode->size % e.attr.st_blksize == 0) {
e.attr.st_blocks=inode->size / e.attr.st_blksize;
} else {
e.attr.st_blocks=1 + inode->size / e.attr.st_blksize;
}
fuse_reply_entry(req, &e);
} else {
/* error nfs create */
destroy_entry(entry);
free(inode);
fuse_reply_err(req, abs(result));
}
} else {
/* not enough memory to allocate entry and/or inode */
if (entry) {
destroy_entry(entry);
entry=NULL;
}
if (inode) {
free(inode);
inode=NULL;
}
fuse_reply_err(req, ENOMEM);
}
free_path_pathinfo(&call_info->pathinfo);
}
static void workspace_nfs_readdirplus_simple(fuse_req_t req, size_t size, off_t offset, struct workspace_dh_struct *dh)
{
struct resource_struct *resource=dh->object->resource;
struct net_nfs_export_struct *nfs_export=(struct net_nfs_export_struct *) resource->data;
struct nfs_context *nfs_ctx=(struct nfs_context *) nfs_export->data;
unsigned int error=0;
char *buff=NULL;
size_t pos=0;
size_t dirent_size;
struct fuse_entry_param e;
char *name=NULL;
struct directory_struct *directory=dh->directory;
struct nfsdir *dir=(struct nfsdir *) dh->handle.data;
struct entry_struct *entry, *result;
struct inode_struct *inode;
struct name_struct xname={NULL, 0, 0};
memset(&e, 0, sizeof(struct fuse_entry_param));
e.generation = 1;
e.attr_timeout = fs_options.attr_timeout;
e.entry_timeout = fs_options.entry_timeout;
e.attr.st_blksize=_DEFAULT_BLOCKSIZE;
buff=malloc(size);
if (! buff) {
error=ENOMEM;
goto error;
}
if (lock_directory(directory, _DIRECTORY_LOCK_EXCL)==-1) {
free(buff);
buff=NULL;
error=EAGAIN;
goto error;
}
while (pos<size) {
if (offset==0) {
inode=dh->parent->inode;
/* the . entry */
e.ino = inode->ino;
e.attr.st_ino = e.ino;
e.attr.st_mode = inode->mode;
e.attr.st_nlink = inode->nlink;
e.attr.st_uid = inode->uid;
e.attr.st_gid = inode->gid;
e.attr.st_rdev = inode->rdev;
e.attr.st_size = inode->size;
e.attr.st_atim.tv_sec = 0;
e.attr.st_atim.tv_nsec = 0;
e.attr.st_mtim.tv_sec = inode->mtim.tv_sec;
e.attr.st_mtim.tv_nsec = inode->mtim.tv_nsec;
e.attr.st_ctim.tv_sec = inode->ctim.tv_sec;
e.attr.st_ctim.tv_nsec = inode->ctim.tv_nsec;
name = (char *) dotname;
inode->nlookup++;
} else if (offset==1) {
/* the .. entry */
if ( ! dh->parent->parent ) {
inode=dh->parent->inode;
} else {
inode=dh->parent->parent->inode;
}
e.ino = inode->ino;
e.attr.st_ino = e.ino;
e.attr.st_mode = inode->mode;
e.attr.st_nlink = inode->nlink;
e.attr.st_uid = inode->uid;
e.attr.st_gid = inode->gid;
e.attr.st_rdev = inode->rdev;
e.attr.st_size = inode->size;
e.attr.st_atim.tv_sec = 0;
e.attr.st_atim.tv_nsec = 0;
e.attr.st_mtim.tv_sec = inode->mtim.tv_sec;
e.attr.st_mtim.tv_nsec = inode->mtim.tv_nsec;
e.attr.st_ctim.tv_sec = inode->ctim.tv_sec;
e.attr.st_ctim.tv_nsec = inode->ctim.tv_nsec;
name = (char *) dotdotname;
inode->nlookup++;
} else {
if (! dh->entry) {
struct nfsdirent *de;
readdir:
pthread_mutex_lock(&nfs_export->mutex);
de=nfs_readdir(nfs_ctx, dir);
pthread_mutex_unlock(&nfs_export->mutex);
if (de) {
if (strcmp(de->name, ".")==0 || strcmp(de->name, "..")==0) continue;
xname.name=de->name;
xname.len=strlen(xname.name);
calculate_nameindex(&xname);
} else {
dh->mode |= _WORKSPACE_READDIR_MODE_FINISH;
break;
}
error=0;
entry=create_entry(dh->parent, &xname);
inode=create_inode();
if (entry && inode) {
result=insert_entry_batch(directory, entry, &error, 0);
if (result==entry) {
struct workspace_object_struct *export_object=NULL;
inode->mode = translate_libnfs_type(de->type);
inode->mode |= de->mode;
add_inode_hashtable(inode, increase_inodes_workspace, (void *) dh->object->workspace_mount);
inode->alias=entry;
entry->inode=inode;
memcpy(&entry->synctime, &dh->synctime, sizeof(struct timespec));
inode->nlookup++;
inode->nlink=2;
inode->uid=0; /* ?? */
inode->gid=0; /* ?? */
inode->size=de->size;
/* struct timeval convert to timespec */
inode->mtim.tv_sec=de->mtime.tv_sec;
inode->mtim.tv_nsec=1000 * de->mtime.tv_usec;
inode->ctim.tv_sec=de->ctime.tv_sec;
inode->ctim.tv_nsec=1000 * de->ctime.tv_usec;
adjust_pathmax(dh->pathinfo.len + 1 + xname.len);
} else {
if (error==EEXIST) {
destroy_entry(entry);
entry=result;
memcpy(&entry->synctime, &dh->synctime, sizeof(struct timespec));
free(inode);
inode=entry->inode;
} else {
free(buff);
destroy_entry(entry);
free(inode);
goto error;
}
}
} else {
if (entry) {
destroy_entry(entry);
entry=NULL;
}
if (inode) {
free(inode);
inode=NULL;
}
error=ENOMEM;
free(buff);
goto error;
}
name=entry->name.name;
dh->entry=entry;
} else {
entry=dh->entry;
inode=entry->inode;
name=entry->name.name;
}
e.ino = inode->ino;
e.attr.st_ino = e.ino;
e.attr.st_mode = inode->mode;
e.attr.st_nlink = inode->nlink;
e.attr.st_uid = inode->uid;
e.attr.st_gid = inode->gid;
e.attr.st_rdev = inode->rdev;
e.attr.st_size = inode->size;
e.attr.st_atim.tv_sec = 0;
e.attr.st_atim.tv_nsec = 0;
e.attr.st_mtim.tv_sec = inode->mtim.tv_sec;
e.attr.st_mtim.tv_nsec = inode->mtim.tv_nsec;
e.attr.st_ctim.tv_sec = inode->ctim.tv_sec;
e.attr.st_ctim.tv_nsec = inode->ctim.tv_nsec;
if (inode->size % e.attr.st_blksize == 0) {
e.attr.st_blocks=inode->size / e.attr.st_blksize;
} else {
e.attr.st_blocks=1 + inode->size / e.attr.st_blksize;
}
}
dirent_size=fuse_add_direntry_plus(req, buff+pos, size-pos, name, &e, offset+1);
if (pos + dirent_size > size) {
dh->offset=offset;
break;
}
/* increase counter and clear the various fields */
dh->entry=NULL; /* forget current entry to force readdir */
offset++;
pos += dirent_size;
}
unlock_directory(directory, _DIRECTORY_LOCK_EXCL);
fuse_reply_buf(req, buff, pos);
free(buff);
buff=NULL;
return;
error:
fuse_reply_err(req, error);
}
static void workspace_nfs_readdir_simple(fuse_req_t req, size_t size, off_t offset, struct workspace_dh_struct *dh)
{
struct resource_struct *resource=dh->object->resource;
struct net_nfs_export_struct *nfs_export=(struct net_nfs_export_struct *) resource->data;
struct nfs_context *nfs_ctx=(struct nfs_context *) nfs_export->data;
unsigned int error=0;
char *buff=NULL;
size_t pos=0;
size_t dirent_size;
char *name=NULL;
struct directory_struct *directory=dh->directory;
struct nfsdir *dir=(struct nfsdir *) dh->handle.data;
struct entry_struct *entry, *result;
struct inode_struct *inode;
struct name_struct xname={NULL, 0, 0};
struct stat st;
memset(&st, 0, sizeof(struct stat));
buff=malloc(size);
if (! buff) {
error=ENOMEM;
goto error;
}
if (lock_directory(directory, _DIRECTORY_LOCK_EXCL)==-1) {
free(buff);
buff=NULL;
error=EAGAIN;
goto error;
}
while (pos<size) {
if (offset==0) {
inode=dh->parent->inode;
/* the . entry */
st.st_ino = inode->ino;
st.st_mode = S_IFDIR;
name = (char *) dotname;
} else if (offset==1) {
/* the .. entry */
if (! dh->parent->parent ) {
inode=dh->parent->inode;
st.st_ino = inode->ino;
} else {
struct entry_struct *parent=dh->parent->parent;
inode=parent->inode;
st.st_ino=inode->ino;
}
st.st_mode = S_IFDIR;
name = (char *) dotdotname;
} else {
if (! dh->entry) {
struct nfsdirent *de;
readdir:
pthread_mutex_lock(&nfs_export->mutex);
de=nfs_readdir(nfs_ctx, dir);
pthread_mutex_unlock(&nfs_export->mutex);
if (de) {
if (strcmp(de->name, ".")==0 || strcmp(de->name, "..")==0) continue;
xname.name=de->name;
xname.len=strlen(xname.name);
calculate_nameindex(&xname);
} else {
dh->mode |= _WORKSPACE_READDIR_MODE_FINISH;
break;
}
error=0;
entry=create_entry(dh->parent, &xname);
inode=create_inode();
if (entry && inode) {
result=insert_entry_batch(directory, entry, &error, 0);
if (result==entry) {
struct workspace_object_struct *export_object=NULL;
inode->mode = translate_libnfs_type(de->type);
inode->mode |= de->mode;
add_inode_hashtable(inode, increase_inodes_workspace, (void *) dh->object->workspace_mount);
inode->alias=entry;
entry->inode=inode;
adjust_pathmax(dh->pathinfo.len + 1 + xname.len);
} else {
if (error==EEXIST) {
destroy_entry(entry);
entry=result;
free(inode);
inode=entry->inode;
} else {
free(buff);
destroy_entry(entry);
free(inode);
goto error;
}
}
st.st_mode=entry->inode->mode;
st.st_ino=entry->inode->ino;
name=entry->name.name;
} else {
if (entry) {
destroy_entry(entry);
entry=NULL;
}
if (inode) {
free(inode);
inode=NULL;
}
error=ENOMEM;
free(buff);
goto error;
}
dh->entry=entry;
} else {
st.st_ino=dh->entry->inode->ino;
st.st_mode=dh->entry->inode->mode;
name=dh->entry->name.name;
}
}
dirent_size=fuse_add_direntry(req, buff+pos, size-pos, name, &st, offset+1);
if (pos + dirent_size > size) {
dh->offset = offset + 1;
break;
}
/* increase counter and clear the various fields */
dh->entry=NULL; /* forget current entry to force readdir */
offset++;
pos += dirent_size;
}
unlock_directory(directory, _DIRECTORY_LOCK_EXCL);
fuse_reply_buf(req, buff, pos);
free(buff);
buff=NULL;
return;
error:
fuse_reply_err(req, error);
}
