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authorScott Murray <scott.murray@konsulko.com>2019-04-22 21:38:18 -0400
committerScott Murray <scott.murray@konsulko.com>2019-04-22 22:42:06 -0400
commitb523b0c8cc37a989bfb84a5ebefe1ec1f2b0cbfb (patch)
tree482f3fee892fc0a0a327d256bd25134fb6996e15 /app/configuration.cpp
A simple telematics demo application for AGL. It reads vehicle and engine speed from the CAN low-level binding and publishes them via MQTT. Change-Id: Ib85904e87919053cad1215b3f53cee81db25c94a Signed-off-by: Scott Murray <scott.murray@konsulko.com>
Diffstat (limited to 'app/configuration.cpp')
-rw-r--r--app/configuration.cpp151
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diff --git a/app/configuration.cpp b/app/configuration.cpp
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+/*
+ * Copyright (C) 2019 Konsulko Group
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 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 "configuration.h"
+#include <glib.h>
+#include <strings.h>
+
+Configuration::Configuration(const std::string &filename, const std::string &device_uuid):
+ m_filename(filename),
+ m_device_uuid(device_uuid)
+{
+ read();
+}
+
+void Configuration::read(void)
+{
+ GKeyFile* conf_file;
+ GError *error = NULL;
+ char *value_str;
+ int n;
+
+ // Load settings from configuration file if it exists
+ conf_file = g_key_file_new();
+ if(!conf_file) {
+ return;
+ }
+
+ if(g_key_file_load_from_dirs(conf_file,
+ m_filename.c_str(),
+ (const gchar**) g_get_system_config_dirs(),
+ NULL,
+ G_KEY_FILE_KEEP_COMMENTS,
+ NULL) != TRUE) {
+ g_key_file_free(conf_file);
+ return;
+ }
+
+ //
+ // General
+ //
+
+ // Set log level if it is specified
+ error = NULL;
+ n = g_key_file_get_integer(conf_file, "General", "log_level", &error);
+ if(!error && n > 0) {
+ m_log_level = n;
+ }
+
+ value_str = g_key_file_get_string(conf_file, "General", "cellular_enabled", NULL);
+ if(value_str) {
+ if(!strcasecmp(value_str, "true")) {
+ m_cellular_enabled = true;
+ } else if(!strcasecmp(value_str, "false")) {
+ m_cellular_enabled = false;
+ }
+ }
+
+ value_str = g_key_file_get_string(conf_file, "General", "gps_enabled", NULL);
+ if(value_str) {
+ if(!strcasecmp(value_str, "true")) {
+ m_gps_enabled = true;
+ } else if(!strcasecmp(value_str, "false")) {
+ m_gps_enabled = false;
+ }
+ }
+
+ value_str = g_key_file_get_string(conf_file, "General", "check_online", NULL);
+ if(value_str) {
+ if(!strcasecmp(value_str, "true")) {
+ m_check_online = true;
+ } else if(!strcasecmp(value_str, "false")) {
+ m_check_online = false;
+ }
+ }
+
+ value_str = g_key_file_get_string(conf_file, "General", "device_uuid", NULL);
+ if(value_str) {
+ m_device_uuid = value_str;
+ }
+
+ //
+ // MQTT
+ //
+
+ value_str = g_key_file_get_string(conf_file, "MQTT", "broker", NULL);
+ if(value_str) {
+ m_mqtt_broker = value_str;
+ }
+
+ error = NULL;
+ n = g_key_file_get_integer(conf_file, "MQTT", "port", &error);
+ if(!error && n > 0) {
+ m_mqtt_port = n;
+ }
+
+ error = NULL;
+ n = g_key_file_get_integer(conf_file, "MQTT", "keepalive", &error);
+ if(!error && n >= 0) {
+ m_mqtt_keepalive = n;
+ }
+
+ error = NULL;
+ n = g_key_file_get_integer(conf_file, "MQTT", "qos", &error);
+ if(!error && n >= 0 && n < 3) {
+ m_mqtt_qos = n;
+ }
+
+ value_str = g_key_file_get_string(conf_file, "MQTT", "retain", NULL);
+ if(value_str) {
+ if(!strcasecmp(value_str, "true")) {
+ m_mqtt_retain = true;
+ } else if(!strcasecmp(value_str, "false")) {
+ m_mqtt_retain = false;
+ }
+ }
+
+ value_str = g_key_file_get_string(conf_file, "MQTT", "username", NULL);
+ if(value_str) {
+ m_mqtt_username = value_str;
+ }
+
+ value_str = g_key_file_get_string(conf_file, "MQTT", "password", NULL);
+ if(value_str) {
+ m_mqtt_password = value_str;
+ }
+
+ //
+ // Event
+ //
+
+ error = NULL;
+ n = g_key_file_get_integer(conf_file, "Event", "update_period", &error);
+ if(!error && n >= 0) {
+ m_update_period = n;
+ }
+
+ g_key_file_free(conf_file);
+}