static void
update_md(gpointer data,
gpointer user_data)
{
pentry_t *pe = NULL;
char *path = NULL;
dpl_ftype_t type;
dpl_ino_t ino;
dpl_status_t rc;
dpl_dict_t *metadata = NULL;
struct list *dirent = NULL;
(void)user_data;
pe = data;
path = pentry_get_path(pe);
LOG(LOG_DEBUG, "path=%s", path);
ino = dpl_cwd(ctx, ctx->cur_bucket);
rc = dfs_namei_timeout(ctx, path, ctx->cur_bucket,
ino, NULL, NULL, &type);
LOG(LOG_DEBUG, "path=%s, dpl_namei: %s, type=%s",
path, dpl_status_str(rc), ftype_to_str(type));
if (DPL_SUCCESS != rc) {
LOG(LOG_NOTICE, "dfs_namei_timeout: %s", dpl_status_str(rc));
goto end;
}
rc = dfs_getattr_timeout(ctx, path, &metadata);
if (DPL_SUCCESS != rc && DPL_EISDIR != rc) {
LOG(LOG_ERR, "dfs_getattr_timeout: %s", dpl_status_str(rc));
goto end;
}
/* If this is a directory, update its entries' metadata */
if (DPL_FTYPE_DIR == type) {
dirent = pentry_get_dirents(pe);
if (dirent)
list_map(dirent, cb_map_dirents, pe);
}
if (pentry_md_trylock(pe))
goto end;
if (metadata)
pentry_set_metadata(pe, metadata);
pentry_set_atime(pe);
(void)pentry_md_unlock(pe);
end:
if (metadata)
dpl_dict_free(metadata);
}
static void
cb_map_dirents(void *elem, void *cb_arg)
{
char *path = NULL;
dpl_dict_t *metadata = NULL;
dpl_status_t rc;
dpl_ftype_t type;
dpl_ino_t ino, parent_ino, obj_ino;
pentry_t *pe_dirent = NULL;
pentry_t *pe = NULL;
path = elem;
pe = cb_arg;
LOG(LOG_DEBUG, "path='%s', dirent='%s'", path, pentry_get_path(pe));
pe_dirent = g_hash_table_lookup(hash, path);
if (! pe_dirent) {
LOG(LOG_ERR, "'%s' is not an entry anymore in '%s'",
path, pentry_get_path(pe));
goto end;
}
rc = dfs_namei_timeout(ctx, path, ctx->cur_bucket,
ino, &parent_ino, &obj_ino, &type);
LOG(LOG_DEBUG, "path=%s, dpl_namei: %s, type=%s, parent_ino=%s, obj_ino=%s",
path, dpl_status_str(rc), ftype_to_str(type),
parent_ino.key, obj_ino.key);
if (DPL_SUCCESS != rc) {
LOG(LOG_NOTICE, "dfs_namei_timeout: %s", dpl_status_str(rc));
goto end;
}
rc = dfs_getattr_timeout(ctx, path, &metadata);
if (DPL_SUCCESS != rc && DPL_EISDIR != rc) {
LOG(LOG_ERR, "dfs_getattr_timeout: %s", dpl_status_str(rc));
goto end;
}
if (pentry_md_trylock(pe_dirent))
goto end;
if (metadata)
pentry_set_metadata(pe_dirent, metadata);
pentry_set_atime(pe_dirent);
(void)pentry_md_unlock(pe_dirent);
end:
if (metadata)
dpl_dict_free(metadata);
}
int
dfs_readlink(const char *path,
char *buf,
size_t bufsiz)
{
dpl_dict_t *dict = NULL;
dpl_status_t rc;
int ret;
char *dest = NULL;
size_t dest_size = 0;
rc = dfs_getattr_timeout(ctx, path, &dict);
if (DPL_SUCCESS != rc) {
LOG(LOG_ERR, "dfs_getattr_timeout: %s", dpl_status_str(rc));
ret = -1;
goto err;
}
if (! dict) {
LOG(LOG_ERR, "dpl_getattr: %s", dpl_status_str(rc));
ret = -1;
goto err;
}
dest = dpl_dict_get_value(dict, "symlink");
if (! dest) {
LOG(LOG_ERR, "empty link path");
ret = -1;
goto err;
}
dest_size = strlen(dest);
if (dest_size > bufsiz) {
LOG(LOG_NOTICE, "link length too big: '%s'", dest);
dest_size = bufsiz;
}
if (! strncpy(buf, dest, dest_size)) {
LOG(LOG_ERR, "path=%s: strcpy: %s", path, strerror(errno));
ret = -1;
goto err;
}
ret = 0;
err:
if (dict)
dpl_dict_free(dict);
LOG(LOG_DEBUG, "%s", path);
return 0;
}
int
dfs_rename(const char *src,
const char *dst)
{
dpl_status_t rc;
dpl_ftype_t type;
char *p = NULL;
int ret = 0;
tfs_ctx *ctx = fuse_get_context()->private_data;
LOG(LOG_DEBUG, "src=%s dst=%s", src, dst);
if (0 == strcmp(dst, ".")) {
p = strrchr(src, '/');
dst = p ? p + 1 : src;
}
rc = dfs_getattr_timeout(ctx, src, NULL, &type);
if (! DPL_SUCCESS == rc && (DPL_ENOENT != rc)) {
LOG(LOG_ERR, "dpl_getattr_timeout: %s", dpl_status_str(rc));
ret = -1;
goto err;
}
rc = dfs_rename_timeout(ctx, src, dst, type);
if (DPL_SUCCESS != rc) {
LOG(LOG_ERR, "dpl_rename_timeout: %s", dpl_status_str(rc));
ret = rc;
goto err;
}
ret = 0;
err:
LOG(LOG_DEBUG, "src=%s dst=%s ret=%s", src, dst, dpl_status_str(ret));
return ret;
}
