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/*
* Copyright (c) 2017, Ford Motor Company
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following
* disclaimer in the documentation and/or other materials provided with the
* distribution.
*
* Neither the name of the Ford Motor Company nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef SRC_COMPONENTS_TRANSPORT_MANAGER_INCLUDE_TRANSPORT_MANAGER_IAP2_EMULATION_IAP2_TRANSPORT_ADAPTER_H_
#define SRC_COMPONENTS_TRANSPORT_MANAGER_INCLUDE_TRANSPORT_MANAGER_IAP2_EMULATION_IAP2_TRANSPORT_ADAPTER_H_
#include "transport_manager/tcp/tcp_transport_adapter.h"
#include "transport_manager/transport_manager_settings.h"
#include "resumption/last_state.h"
#include "utils/macro.h"
#include "utils/threads/thread_delegate.h"
namespace threads {
class Thread;
}
namespace transport_manager {
namespace transport_adapter {
/**
* @brief The IAP2BluetoothEmulationTransportAdapter class implements iAP2
* Bluetooth transport over TCP
*/
class IAP2BluetoothEmulationTransportAdapter : public TcpTransportAdapter {
public:
/**
* @brief IAP2BluetoothEmulationTransportAdapter constructor
* @param port TCP port to listen on
* @param last_state LastState instance reference
* @param settings Settings reference
*/
IAP2BluetoothEmulationTransportAdapter(
const uint16_t port,
resumption::LastState& last_state,
const TransportManagerSettings& settings);
/**
* @brief DeviceSwitched is called during switching from iAP2 Bluetooth to
* iAP2 USB transport.
* Currently there is no logic to switch back from iAP2 USB to iAP2 Bluetooth
* due to Bluetooth reconnection takes much time and this violates some Apple
* restrictions for iAP2 protocol, so if this method will be called - assert
* will be called
* @param device_handle Device handle of switched device
*/
void DeviceSwitched(const DeviceUID& device_handle) OVERRIDE;
/**
* @brief Notification that transport's configuration is updated. This
* override is needed so that a OnTransportConfigUpdated is not sent to the
* mobile device for the emulated transport.
*
* @param new_config The new configuration of the transport
*/
void TransportConfigUpdated(const TransportConfig& new_config) OVERRIDE;
protected:
/**
* @brief GetDeviceType Provides SDL device type for transport adapter
* @return Device type
*/
DeviceType GetDeviceType() const OVERRIDE;
};
/**
* @brief The IAP2USBEmulationTransportAdapter class implements emulation of
* iAP2 USB transport over TCP
*/
class IAP2USBEmulationTransportAdapter : public TcpTransportAdapter {
public:
/**
* @brief IAP2USBEmulationTransportAdapter constructor
* @param port TCP port to listen on
* @param last_state LastState instance reference
* @param settings Settings reference
*/
IAP2USBEmulationTransportAdapter(const uint16_t port,
resumption::LastState& last_state,
const TransportManagerSettings& settings);
/**
* Destructor
*/
~IAP2USBEmulationTransportAdapter();
/**
* @brief DeviceSwitched is called during switching from iAP2 Bluetooth to
* iAP2 USB transport. Sends ACK signal for switching request.
* @param device_handle Device handle of switched device
*/
void DeviceSwitched(const DeviceUID& device_handle) OVERRIDE;
/**
* @brief Notification that transport's configuration is updated. This
* override is needed so that a OnTransportConfigUpdated is not sent to the
* mobile device for the emulated transport.
*
* @param new_config The new configuration of the transport
*/
void TransportConfigUpdated(const TransportConfig& new_config) OVERRIDE;
protected:
/**
* @brief GetDeviceType Provides SDL device type for transport adapter
* @return Device type
*/
DeviceType GetDeviceType() const OVERRIDE;
private:
/**
* @brief The IAPSignalHandlerDelegate class handles signals from the system
* to start transport switching flow
*/
class IAPSignalHandlerDelegate : public threads::ThreadDelegate {
public:
/**
* @brief IAPSignalHandlerDelegate Constructor
* @param adapter Pointer to iAP2 USB adapter
*/
IAPSignalHandlerDelegate(IAP2USBEmulationTransportAdapter& adapter);
/**
* @brief threadMain Main loop to track incoming signals
*/
void threadMain() OVERRIDE;
/**
* @brief exitThreadMain Stops main loop
*/
void exitThreadMain() OVERRIDE;
private:
/**
* @brief adapter_ Reference to owning adapter
*/
IAP2USBEmulationTransportAdapter& adapter_;
/**
* @brief run_flag_ Flag defines whether main loop is active
*/
bool run_flag_;
/**
* @brief in_ Input signals channel descriptor
*/
int in_;
};
threads::Thread* signal_handler_;
int out_;
};
} // namespace transport_adapter
} // namespace transport_manager
#endif // SRC_COMPONENTS_TRANSPORT_MANAGER_INCLUDE_TRANSPORT_MANAGER_IAP2_EMULATION_IAP2_TRANSPORT_ADAPTER_H_
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