client.c

/*
* 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 <hermes/common/errors.h>
#include <hermes/data_store/client.h>
#include <hermes/rpc/client.h>

#include <assert.h>

#include "functions.h"

struct hm_data_store_client_sync_type {
    hm_rpc_client_sync_t *c;
};

hm_data_store_client_sync_t *hm_data_store_client_sync_create(hm_rpc_transport_t *transport) {
    if (!transport) {
        return NULL;
    }
    hm_data_store_client_sync_t *client = calloc(sizeof(hm_data_store_client_sync_t), 1);
    assert(client);
    client->c = hm_rpc_client_sync_create(transport);
    if (!(client->c)) {
        hm_data_store_client_sync_destroy(&client);
        return NULL;
    }
    return client;
}

uint32_t hm_data_store_client_sync_destroy(hm_data_store_client_sync_t **client) {
    if (!client || !(*client)) {
        return HM_INVALID_PARAMETER;
    }
    hm_rpc_client_sync_destroy(&((*client)->c));
    free(*client);
    *client = NULL;
    return HM_SUCCESS;
}

uint32_t hm_data_store_client_sync_call_create_block(
        hm_data_store_client_sync_t *client,
        const uint8_t *block, const size_t block_length,
        const uint8_t *meta, const size_t meta_length,
        const uint8_t *mac, const size_t mac_length,
        uint8_t **id, size_t *id_length) {
    if (!client || !block || !block_length || !meta || !meta_length || !mac || !mac_length || !id) {
        return HM_INVALID_PARAMETER;
    }
    return hm_data_store_create_block_sync_proxy(
            client->c, block, block_length, meta, meta_length, mac, mac_length, id, id_length);
}

uint32_t hm_data_store_client_sync_call_create_block_with_id(
        hm_data_store_client_sync_t *client,
        const uint8_t *id, const size_t id_length,
        const uint8_t *block, const size_t block_length,
        const uint8_t *meta, const size_t meta_length,
        const uint8_t *mac, const size_t mac_length) {
    if (!client || !block || !block_length || !meta || !meta_length || !mac || !mac_length || !id || !id_length) {
        return HM_INVALID_PARAMETER;
    }
    return hm_data_store_create_block_with_id_sync_proxy(
            client->c, id, id_length, block, block_length, meta, meta_length, mac, mac_length);
}

uint32_t hm_data_store_client_sync_call_read_block(
        hm_data_store_client_sync_t *c,
        const uint8_t *id, const size_t id_length,
        uint8_t **block, size_t *block_length,
        uint8_t **meta, size_t *meta_length) {
    if (!c || !id || !id_length || !block || !meta) {
        return HM_INVALID_PARAMETER;
    }
    return hm_data_store_read_block_sync_proxy(c->c, id, id_length, block, block_length, meta, meta_length);
}

uint32_t hm_data_store_client_sync_call_update_block(
        hm_data_store_client_sync_t *client,
        const uint8_t *id, const size_t id_length,
        const uint8_t *block, const size_t block_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 (!client || !id || !id_length || !block || !block_length || !meta || !meta_length || !mac || !mac_length ||
        !old_mac || !old_mac_length) {
        return HM_INVALID_PARAMETER;
    }
    return hm_data_store_update_block_sync_proxy(
            client->c, id, id_length, block, block_length, meta, meta_length, mac, mac_length, old_mac, old_mac_length);
}

uint32_t hm_data_store_client_sync_call_delete_block(
        hm_data_store_client_sync_t *client,
        const uint8_t *id, const size_t id_length,
        const uint8_t *old_mac, const size_t old_mac_length) {
    if (!client || !id || !id_length || !old_mac || !old_mac_length) {
        return HM_INVALID_PARAMETER;
    }
    return hm_data_store_delete_block_sync_proxy(client->c, id, id_length, old_mac, old_mac_length);
}