DBusConnection.h

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/*
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *     http://aws.amazon.com/apache2.0/
 *
 * or in the "license" file accompanying this file. This file 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.
 */

#ifndef ALEXA_CLIENT_SDK_BLUETOOTHIMPLEMENTATIONS_BLUEZ_INCLUDE_BLUEZ_DBUSCONNECTION_H_
#define ALEXA_CLIENT_SDK_BLUETOOTHIMPLEMENTATIONS_BLUEZ_INCLUDE_BLUEZ_DBUSCONNECTION_H_

#include <memory>
#include <mutex>
#include <vector>

#include <gio/gio.h>

namespace alexaClientSDK {
namespace bluetoothImplementations {
namespace blueZ {

class DBusConnection {
public:
    ~DBusConnection();

    static std::unique_ptr<DBusConnection> create(GBusType connectionType = G_BUS_TYPE_SYSTEM);

    unsigned int subscribeToSignal(
        const char* serviceName,
        const char* interfaceName,
        const char* member,
        const char* firstArgumentFilter,
        GDBusSignalCallback callback,
        gpointer userData);

    GDBusConnection* getGDBusConnection();

    void close();

private:
    explicit DBusConnection(GDBusConnection* connection, GBusType connectionType);

    GDBusConnection* m_connection;

    const GBusType m_connectionType;

    std::mutex m_subscriptionsMutex;

    std::vector<guint> m_subscriptions;
};

}  // namespace blueZ
}  // namespace bluetoothImplementations
}  // namespace alexaClientSDK

#endif  // ALEXA_CLIENT_SDK_BLUETOOTHIMPLEMENTATIONS_BLUEZ_INCLUDE_BLUEZ_DBUSCONNECTION_H_