int32_t
gf_store_retrieve_value (gf_store_handle_t *handle, char *key, char **value)
{
int32_t ret = -1;
char *scan_str = NULL;
char *iter_key = NULL;
char *iter_val = NULL;
char *free_str = NULL;
struct stat st = {0,};
gf_store_op_errno_t store_errno = GD_STORE_SUCCESS;
GF_ASSERT (handle);
if (handle->locked == F_ULOCK)
/* no locking is used handle->fd gets closed() after usage */
handle->fd = open (handle->path, O_RDWR);
else
/* handle->fd is valid already, kept open for lockf() */
lseek (handle->fd, 0, SEEK_SET);
if (handle->fd == -1) {
gf_log ("", GF_LOG_ERROR, "Unable to open file %s errno: %s",
handle->path, strerror (errno));
goto out;
}
if (!handle->read)
handle->read = fdopen (dup(handle->fd), "r");
else
fseek (handle->read, 0, SEEK_SET);
if (!handle->read) {
gf_log ("", GF_LOG_ERROR, "Unable to open file %s errno: %s",
handle->path, strerror (errno));
goto out;
}
ret = fstat (handle->fd, &st);
if (ret < 0) {
gf_log ("", GF_LOG_WARNING, "stat on file %s failed",
handle->path);
ret = -1;
store_errno = GD_STORE_STAT_FAILED;
goto out;
}
scan_str = GF_CALLOC (1, st.st_size,
gf_common_mt_char);
if (scan_str == NULL) {
ret = -1;
store_errno = GD_STORE_ENOMEM;
goto out;
}
free_str = scan_str;
do {
ret = gf_store_read_and_tokenize (handle->read, scan_str,
&iter_key, &iter_val,
&store_errno);
if (ret < 0) {
gf_log ("", GF_LOG_TRACE, "error while reading key "
"'%s': %s", key,
gf_store_strerror (store_errno));
goto out;
}
gf_log ("", GF_LOG_TRACE, "key %s read", iter_key);
if (!strcmp (key, iter_key)) {
gf_log ("", GF_LOG_DEBUG, "key %s found", key);
ret = 0;
if (iter_val)
*value = gf_strdup (iter_val);
goto out;
}
} while (1);
out:
if (handle->read) {
fclose (handle->read);
handle->read = NULL;
}
if (handle->fd > 0 && handle->locked == F_ULOCK) {
/* only invalidate handle->fd if not locked */
close (handle->fd);
}
GF_FREE (free_str);
return ret;
}
int32_t
gf_store_retrieve_value (gf_store_handle_t *handle, char *key, char **value)
{
int32_t ret = -1;
char *scan_str = NULL;
char *iter_key = NULL;
char *iter_val = NULL;
char *free_str = NULL;
struct stat st = {0,};
gf_store_op_errno_t store_errno = GD_STORE_SUCCESS;
GF_ASSERT (handle);
handle->fd = open (handle->path, O_RDWR);
if (handle->fd == -1) {
gf_log ("", GF_LOG_ERROR, "Unable to open file %s errno: %s",
handle->path, strerror (errno));
goto out;
}
if (!handle->read)
handle->read = fdopen (handle->fd, "r");
if (!handle->read) {
gf_log ("", GF_LOG_ERROR, "Unable to open file %s errno: %s",
handle->path, strerror (errno));
goto out;
}
ret = fstat (handle->fd, &st);
if (ret < 0) {
gf_log ("", GF_LOG_WARNING, "stat on file %s failed",
handle->path);
ret = -1;
store_errno = GD_STORE_STAT_FAILED;
goto out;
}
scan_str = GF_CALLOC (1, st.st_size,
gf_common_mt_char);
if (scan_str == NULL) {
ret = -1;
store_errno = GD_STORE_ENOMEM;
goto out;
}
free_str = scan_str;
do {
ret = gf_store_read_and_tokenize (handle->read, scan_str,
&iter_key, &iter_val,
&store_errno);
if (ret < 0) {
gf_log ("", GF_LOG_TRACE, "error while reading key "
"'%s': %s", key,
gf_store_strerror (store_errno));
goto out;
}
gf_log ("", GF_LOG_TRACE, "key %s read", iter_key);
if (!strcmp (key, iter_key)) {
gf_log ("", GF_LOG_DEBUG, "key %s found", key);
ret = 0;
if (iter_val)
*value = gf_strdup (iter_val);
goto out;
}
} while (1);
out:
if (handle->fd > 0) {
close (handle->fd);
handle->read = NULL;
}
GF_FREE (free_str);
return ret;
}
