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/*
* Copyright (c) 2017 Cossack Labs Limited
*
* This file is a part of Hermes-core.
*
* Hermes-core is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Hermes-core is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Hermes-core. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "data_store_impl.h"
#include <hermes/data_store/client.h>
struct hermes_data_store_type {
hm_data_store_client_sync_t *cl;
};
hermes_data_store_t *hermes_data_store_create(hm_rpc_transport_t *transport) {
if (!transport) {
return NULL;
}
hermes_data_store_t *data_store = calloc(1, sizeof(hermes_data_store_t));
if (!data_store
|| !(data_store->cl = hm_data_store_client_sync_create(transport))) {
hermes_data_store_destroy(&data_store);
return NULL;
}
return data_store;
}
hermes_status_t hermes_data_store_set_block(
hermes_data_store_t *data_store,
uint8_t **id, size_t *id_length,
const uint8_t *data, const size_t data_length,
const uint8_t *meta, const size_t meta_length,
const uint8_t *mac, const size_t mac_length,
const uint8_t *old_mac, const size_t old_mac_length) {
if (!data_store || !data || !data_length || !meta || !meta_length || !mac || !mac_length || !id || !id_length) {
return HM_INVALID_PARAMETER;
}
if (!old_mac) {
if (!(*id)) {
return hm_data_store_client_sync_call_create_block(
data_store->cl,
data, data_length,
meta, meta_length,
mac, mac_length,
id, id_length);
}
return hm_data_store_client_sync_call_create_block_with_id(
data_store->cl,
*id, *id_length,
data, data_length,
meta, meta_length,
mac, mac_length);
}
return hm_data_store_client_sync_call_update_block(
data_store->cl,
*id, *id_length,
data, data_length,
meta, meta_length,
mac, mac_length,
old_mac, old_mac_length);
}
hermes_status_t hermes_data_store_get_block(
hermes_data_store_t *data_store,
const uint8_t *id, const size_t id_length,
uint8_t **data, size_t *data_length,
uint8_t **meta, size_t *meta_length) {
if (!data_store || !id || !id_length || !data || !data_length || !meta || !meta_length) {
return HM_INVALID_PARAMETER;
}
return hm_data_store_client_sync_call_read_block(
data_store->cl,
id, id_length,
data, data_length,
meta, meta_length);
}
hermes_status_t hermes_data_store_rem_block(
hermes_data_store_t *data_store,
const uint8_t *id, const size_t id_length,
const uint8_t *old_mac, const size_t old_mac_length) {
if (!data_store || !id || !id_length || !old_mac || !old_mac_length) {
return HM_INVALID_PARAMETER;
}
return hm_data_store_client_sync_call_delete_block(data_store->cl, id, id_length, old_mac, old_mac_length);
}
hermes_status_t hermes_data_store_destroy(hermes_data_store_t **data_store) {
if (!data_store || !(*data_store)) {
return HM_INVALID_PARAMETER;
}
hm_data_store_client_sync_destroy(&((*data_store)->cl));
free(*data_store);
*data_store = NULL;
return HM_SUCCESS;
}