Json serializer and deserializer

Change-Id: Ie50487085d6f9ec61cd3376b132906e5c36f0882
Signed-off-by: Michal Kolodziejski <m.kolodziejs@samsung.com>

diff --git a/src/cloud/car_info.c b/src/cloud/car_info.c
new file mode 100644 (file)
index 0000000..dee4c56
--- /dev/null
+++ b/src/cloud/car_info.c
@@ -0,0 +1,82 @@
+/*
+ * 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 <stdlib.h>
+#include "cloud/car_info.h"
+
+car_info_t *car_info_create()
+{
+    return NULL;
+}
+
+void car_info_destroy(car_info_t *car_info)
+{
+}
+
+bool car_info_is_valid(car_info_t *car_info)
+{
+    return false;
+}
+
+const char *car_info_get_car_id(car_info_t *car_info)
+{
+    return NULL;
+}
+
+int car_info_set_car_id(car_info_t *car_info, const char *car_id)
+{
+    return -1;
+}
+
+const char *car_info_get_car_name(car_info_t *car_info)
+{
+    return NULL;
+}
+
+int car_info_set_car_name(car_info_t *car_info, const char *car_name)
+{
+    return -1;
+}
+
+const char *car_info_get_car_ip(car_info_t *car_info)
+{
+    return NULL;
+}
+
+int car_info_set_car_ip(car_info_t *car_info, const char *car_ip)
+{
+    return -1;
+}
+
+const char *car_info_get_ap_mac(car_info_t *car_info)
+{
+    return NULL;
+}
+
+int car_info_set_car_ap_mac(car_info_t *car_info, const char *ap_mac)
+{
+    return -1;
+}
+
+const char *car_info_get_ap_ssid(car_info_t *car_info)
+{
+    return NULL;
+}
+
+int car_info_set_ap_ssid(car_info_t *car_info, const char *ap_ssid)
+{
+    return -1;
+}

diff --git a/src/cloud/car_info_serializer.c b/src/cloud/car_info_serializer.c
new file mode 100644 (file)
index 0000000..a9bf9f3
--- /dev/null
+++ b/src/cloud/car_info_serializer.c
@@ -0,0 +1,140 @@
+/*
+ * 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 "cloud/car_info_serializer.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <glib.h>
+#include <json-glib/json-glib.h>
+#include "log.h"
+#include "cloud/car_info.h"
+
+#define JSON_SCHEMA_CAR_ID "carId"
+#define JSON_SCHEMA_CAR_NAME "carName"
+#define JSON_SCHEMA_CAR_IP "carIp"
+#define JSON_SCHEMA_AP_MAC "apMac"
+#define JSON_SCHEMA_AP_SSID "apSsid"
+
+static JsonNode *parse_string(JsonParser *parser, const char *config_json);
+static void car_info_array_iterate_cb(JsonArray *array, guint index, JsonNode *element, gpointer user_data);
+
+char *car_info_serializer_serialize(car_info_t *car_info)
+{
+    JsonGenerator *generator = json_generator_new();
+    JsonBuilder *builder = json_builder_new();
+    json_builder_begin_object(builder);
+
+    json_builder_set_member_name(builder, JSON_SCHEMA_CAR_ID);
+    json_builder_add_string_value(builder, car_info_get_car_id(car_info));
+
+    json_builder_set_member_name(builder, JSON_SCHEMA_CAR_NAME);
+    json_builder_add_string_value(builder, car_info_get_car_name(car_info));
+
+    json_builder_set_member_name(builder, JSON_SCHEMA_CAR_IP);
+    json_builder_add_string_value(builder, car_info_get_car_ip(car_info));
+
+    json_builder_set_member_name(builder, JSON_SCHEMA_AP_MAC);
+    json_builder_add_string_value(builder, car_info_get_ap_mac(car_info));
+
+    json_builder_set_member_name(builder, JSON_SCHEMA_AP_SSID);
+    json_builder_add_string_value(builder, car_info_get_ap_ssid(car_info));
+
+    json_builder_end_object(builder);
+
+    JsonNode *root = json_builder_get_root(builder);
+    json_generator_set_root(generator, root);
+
+    char *json_data = json_generator_to_data(generator, NULL);
+
+    g_object_unref(builder);
+    g_object_unref(generator);
+    return json_data;
+}
+
+car_info_t **car_info_serializer_deserialize_array(const char *json_data, int *size)
+{
+    JsonParser *parser = json_parser_new();
+
+    JsonNode *root = parse_string(parser, json_data);
+    JsonArray *array = json_node_get_array(root);
+    if (!array)
+    {
+        _E("Json config is invalid!");
+        g_object_unref(parser);
+        return NULL;
+    }
+
+    *size = json_array_get_length(array);
+    car_info_t **car_info_array = g_malloc(*size * sizeof(car_info_t *));
+
+    json_array_foreach_element(array, car_info_array_iterate_cb, car_info_array);
+
+    g_object_unref(parser);
+    return car_info_array;
+}
+
+static JsonNode *parse_string(JsonParser *parser, const char *config_json)
+{
+    GError *err = NULL;
+
+    if (!json_parser_load_from_data(parser, config_json, -1, &err))
+    {
+        _E("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 car_info_array_iterate_cb(JsonArray *array, guint index, JsonNode *element, gpointer user_data)
+{
+    car_info_t **car_info_array = (car_info_t **)user_data;
+
+    JsonObject *entry = json_node_get_object(element);
+
+    car_info_array[index] = car_info_create();
+
+    if (json_object_has_member(entry, JSON_SCHEMA_CAR_ID) &&
+        car_info_set_car_id(car_info_array[index], json_object_get_string_member(entry, JSON_SCHEMA_CAR_ID)) != 0)
+    {
+        _E("Couldn't set car id!");
+    }
+
+    if (json_object_has_member(entry, JSON_SCHEMA_CAR_NAME) &&
+        car_info_set_car_name(car_info_array[index], json_object_get_string_member(entry, JSON_SCHEMA_CAR_NAME)) != 0)
+    {
+        _E("Couldn't set car name!");
+    }
+
+    if (json_object_has_member(entry, JSON_SCHEMA_CAR_IP) &&
+        car_info_set_car_ip(car_info_array[index], json_object_get_string_member(entry, JSON_SCHEMA_CAR_IP)) != 0)
+    {
+        _E("Couldn't set car ip!");
+    }
+
+    if (json_object_has_member(entry, JSON_SCHEMA_AP_MAC) &&
+        car_info_set_car_ap_mac(car_info_array[index], json_object_get_string_member(entry, JSON_SCHEMA_AP_MAC)) != 0)
+    {
+        _E("Couldn't set access point MAC address!");
+    }
+
+    if (json_object_has_member(entry, JSON_SCHEMA_AP_SSID) &&
+        car_info_set_ap_ssid(car_info_array[index], json_object_get_string_member(entry, JSON_SCHEMA_AP_SSID)) != 0)
+    {
+        _E("Couldn't set access point SSID!");
+    }
+}