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+/* Copyright (C) 2015, Jaguar Land Rover. All Rights Reserved.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include <QCoreApplication>
+#include <QDBusConnection>
+#include <QDBusInterface>
+#include <QDBusObjectPath>
+#include <QDBusReply>
+#include <QDebug>
+#include <string.h>
+
+int main(int argc, char *argv[])
+{
+ // TODO: Clean this up, update API, etc.
+ if (argc < 5 || argc > 6)
+ {
+ qWarning() << "Error detected! Insufficient number of arguments.";
+ qWarning() << "";
+ qWarning() << "Usage: ambdbusaccess <R/W> <Object> <Property> <Zone> [Value]";
+ qWarning() << "- <R/W>";
+ qWarning() << " Used for specifying [R]ead or [W]rite.";
+ qWarning() << "- <Object>";
+ qWarning() << " The AMB object to access.";
+ qWarning() << "- <Property>";
+ qWarning() << " The property within the object to access.";
+ qWarning() << "- <Zone>";
+ qWarning() << " The AMB zone to access.";
+ qWarning() << "- [Value]";
+ qWarning() << " The value to write, if writing.";
+ qWarning() << "Example: ambdbusaccess Write ClimateControl FanSpeedLevel 0 7";
+ qWarning() << "";
+ qWarning() << "This program returns an int under the following conditions:";
+ qWarning() << "Successful Read: <Value Read>";
+ qWarning() << "Unsuccessful Read: -1";
+ qWarning() << "Successful Write: <Value Written>";
+ qWarning() << "Unsuccessful Write: -1";
+
+ return -1;
+ }
+
+ // TODO: Error check input.
+ bool read = !strncmp(argv[1], "R", 1);
+ QString object = argv[2];
+ QString property = argv[3];
+ qint32 zone = atoi(argv[4]);
+ qint32 value = 0;
+
+ if (argc == 6)
+ {
+ value = atoi(argv[5]);
+ }
+
+ // Necessary to suppress Qt messages about touching the D-Bus before the application was created.
+ QCoreApplication a(argc, argv);
+
+ // Sanity check that the system bus is actually present.
+ if (!QDBusConnection::systemBus().isConnected())
+ {
+ qCritical() << "Could not access system D-Bus!";
+ return -1;
+ }
+
+ // Get ahold of the manager object.
+ QDBusInterface *manager = new QDBusInterface("org.automotive.message.broker", "/", "org.automotive.Manager",
+ QDBusConnection::systemBus());
+
+ // Go fetch the path for the AMB object we are concerned with.
+ qDebug().nospace() << "Looking for property " << property.toStdString().c_str() << " of object " <<
+ object.toStdString().c_str() << " in zone " << zone << ".";
+ QDBusReply<QDBusObjectPath> propertyPath = manager->call("FindObjectForZone", object.toStdString().c_str(), zone);
+ if (!propertyPath.isValid())
+ {
+ qDebug() << "Invalid reply!" << propertyPath.error() << "Got the path:" << propertyPath.value().path();
+ }
+
+ // Now that we have the path, open an interface to the object.
+ QDBusInterface *propertyInterface = new QDBusInterface("org.automotive.message.broker", propertyPath.value().path(),
+ "org.automotive.ClimateControl", QDBusConnection::systemBus());
+
+ // Perform our read or write operation.
+ if (read)
+ {
+ QVariant reply = propertyInterface->property(property.toStdString().c_str());
+ if (!reply.isValid())
+ {
+ qDebug() << "Invalid reply when reading the property!" << propertyInterface->lastError() << "Property:" <<
+ reply.toString();
+ value = -1;
+ }
+ else
+ {
+ qDebug().nospace() << "Got a valid reply for the property of " << reply.toString().toStdString().c_str() << ".";
+ value = reply.toInt();
+ }
+ }
+ else
+ {
+ QVariant reply = propertyInterface->setProperty(property.toStdString().c_str(), value);
+ if (reply.toBool())
+ {
+ qDebug() << "Successfully wrote the property.";
+ }
+ else
+ {
+ qDebug() << "Failed to write the property.";
+ value = -1;
+ }
+ }
+
+ // Clean up.
+ delete propertyInterface;
+ delete manager;
+
+ // Either provide the read value or some feedback to the calling application.
+ return value;
+}
+