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/*
* Copyright (c) 2018 Samsung Electronics Co., Ltd.
*
* Licensed under the Flora License, Version 1.1 (the License);
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://floralicense.org/license/
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <glib.h>
#include <json-glib/json-glib.h>
#include "json-schema-defs.h"
#include "config-deserializer.h"
#include "config.h"
#include "err-check.h"
#include "log.h"
static JsonNode *parse_string(JsonParser *parser, const char *config_json);
static void config_array_iterate_func(JsonArray *array, guint index, JsonNode *element, gpointer user_data);
static config_options_e config_parse_options(const char *option);
static int calculate_task_counter(int frequency);
static struct _cfg_data
{
int total_duration;
int task_counter;
} cfg_data =
{
.total_duration = 0,
.task_counter = 0
};
config_t *deserialize_configs(const char *config_json, int *size, int *task_counter)
{
JsonParser *parser = json_parser_new();
JsonNode *root = parse_string(parser, config_json);
JsonObject *obj = json_node_get_object(root);
cfg_data.total_duration = json_object_get_int_member(obj, SCHEMA_CONFIG_TOTAL_DURATION);
JsonArray *array = json_object_get_array_member(obj, SCHEMA_CONFIG_ENTRY);
if (!array)
{
ERR("Json config is invalid!");
g_object_unref(parser);
return NULL;
}
*size = json_array_get_length(array);
config_t *configs = g_malloc(*size * sizeof(config_t));
json_array_foreach_element(array, config_array_iterate_func, configs);
g_object_unref(parser);
*task_counter = cfg_data.task_counter;
return configs;
}
static JsonNode *parse_string(JsonParser *parser, const char *config_json)
{
GError *err = NULL;
if (!json_parser_load_from_data(parser, config_json, -1, &err))
{
ERR("Function \"json_parser_load_from_data()\" failed with message ", err->message);
g_error_free(err);
return NULL;
}
return json_parser_get_root(parser);
}
static void config_array_iterate_func(JsonArray *array, guint index, JsonNode *element, gpointer user_data)
{
config_t *configs = (config_t *)user_data;
JsonObject *entry = json_node_get_object(element);
const gchar *type = json_object_get_string_member(entry, SCHEMA_TYPE);
gint64 frequency = json_object_get_int_member(entry, SCHEMA_FREQUENCY);
configs[index].frequency = frequency;
int c = calculate_task_counter(frequency);
cfg_data.task_counter += c;
if (g_strcmp0(type, SCHEMA_TYPE_TOP) == 0)
{
configs[index].scope = TOP;
const gchar *target = json_object_get_string_member(entry, SCHEMA_TARGET);
configs[index].data.top.options = config_parse_options(target);
gint64 top = json_object_get_int_member(entry, SCHEMA_TOP);
configs[index].data.top.top = top;
}
else if (g_strcmp0(type, SCHEMA_TYPE_SYSTEM) == 0)
{
configs[index].scope = SYSTEM;
const gchar *target = json_object_get_string_member(entry, SCHEMA_TARGET);
configs[index].data.system.options = config_parse_options(target);
}
else if (g_strcmp0(type, SCHEMA_TYPE_PROCESS) == 0)
{
configs[index].scope = APPS;
const gchar *target = json_object_get_string_member(entry, SCHEMA_TARGET);
configs[index].data.apps.options = config_parse_options(target);
const gchar *app_id = json_object_get_string_member(entry, SCHEMA_ID);
snprintf(configs[index].data.apps.app_id, APP_ID_REGEX_MAX_LEN + 1, "%s", app_id);
}
else if (g_strcmp0(type, SCHEMA_TYPE_LOAD_AVG) == 0)
{
configs[index].scope = LOAD_AVG;
}
}
static config_options_e config_parse_options(const char *option)
{
if (g_strcmp0(option, SCHEMA_TARGET_CPU) == 0)
{
return OBSERVE_CPU;
}
else if (g_strcmp0(option, SCHEMA_TARGET_MEMORY) == 0)
{
return OBSERVE_MEMORY;
}
return -1;
}
static int calculate_task_counter(int frequency)
{
return cfg_data.total_duration / frequency;
}
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