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/**
* \file usb_connection.h
* \brief UsbConnection class header file.
*
* Copyright (c) 2013, 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_USB_LIBUSB_USB_CONNECTION_H_
#define SRC_COMPONENTS_TRANSPORT_MANAGER_INCLUDE_TRANSPORT_MANAGER_USB_LIBUSB_USB_CONNECTION_H_
#include <pthread.h>
#include "transport_manager/transport_adapter/transport_adapter_controller.h"
#include "transport_manager/transport_adapter/connection.h"
#include "transport_manager/usb/common.h"
namespace transport_manager {
namespace transport_adapter {
class UsbConnection : public Connection {
public:
UsbConnection(const DeviceUID& device_uid,
const ApplicationHandle& app_handle,
TransportAdapterController* controller,
const UsbHandlerSptr& usb_handler, PlatformUsbDevice* device);
bool Init();
virtual ~UsbConnection();
protected:
virtual TransportAdapter::Error SendData(RawMessageSptr message);
virtual TransportAdapter::Error Disconnect();
private:
friend void InTransferCallback(struct libusb_transfer*);
friend void OutTransferCallback(struct libusb_transfer*);
bool FindEndpoints();
void PopOutMessage();
bool PostInTransfer();
bool PostOutTransfer();
void OnInTransfer(struct libusb_transfer*);
void OnOutTransfer(struct libusb_transfer*);
void Finalise();
const DeviceUID device_uid_;
const ApplicationHandle app_handle_;
TransportAdapterController* controller_;
UsbHandlerSptr usb_handler_;
libusb_device* libusb_device_;
libusb_device_handle* device_handle_;
uint8_t in_endpoint_;
uint16_t in_endpoint_max_packet_size_;
uint8_t out_endpoint_;
uint16_t out_endpoint_max_packet_size_;
unsigned char* in_buffer_;
libusb_transfer* in_transfer_;
libusb_transfer* out_transfer_;
std::list<RawMessageSptr> out_messages_;
RawMessageSptr current_out_message_;
pthread_mutex_t out_messages_mutex_;
size_t bytes_sent_;
bool disconnecting_;
bool waiting_in_transfer_cancel_;
bool waiting_out_transfer_cancel_;
};
} // namespace transport_adapter
} // namespace transport_manager
#endif // SRC_COMPONENTS_TRANSPORT_MANAGER_INCLUDE_TRANSPORT_MANAGER_USB_LIBUSB_USB_CONNECTION_H_
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