doip_diagnostic_message_handler.h

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/* Diagnostic Client library
* Copyright (C) 2024  Avijit Dey
*
* 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/.
*/
#ifndef DIAG_CLIENT_LIB_LIB_DOIP_CLIENT_CHANNEL_TCP_CHANNEL_DOIP_DIAGNOSTIC_MESSAGE_HANDLER_H_
#define DIAG_CLIENT_LIB_LIB_DOIP_CLIENT_CHANNEL_TCP_CHANNEL_DOIP_DIAGNOSTIC_MESSAGE_HANDLER_H_
 
#include <memory>
#include <vector>
 
#include "common/doip_message.h"
#include "sockets/tcp_socket_handler.h"
#include "uds_transport/protocol_mgr.h"
#include "uds_transport/uds_message.h"
 
namespace doip_client {
namespace channel {
namespace tcp_channel {
 
// Forward declaration
class DoipTcpChannel;
 
class DiagnosticMessageHandler final {
 public:
  using TcpMessagePtr = sockets::TcpSocketHandler::TcpMessagePtr;
 
  using TcpMessage = sockets::TcpSocketHandler::TcpMessage;
 
 public:
  DiagnosticMessageHandler(sockets::TcpSocketHandler &tcp_socket_handler, DoipTcpChannel &channel);
 
  ~DiagnosticMessageHandler();
 
  void Start();
 
  void Stop();
 
  void Reset();
 
  void ProcessDoIPDiagnosticAckMessageResponse(DoipMessage &doip_payload) noexcept;
 
  void ProcessDoIPDiagnosticMessageResponse(DoipMessage &doip_payload) noexcept;
 
  auto HandleDiagnosticRequest(uds_transport::UdsMessageConstPtr diagnostic_request) noexcept
      -> uds_transport::UdsTransportProtocolMgr::TransmissionResult;
 
 private:
  auto SendDiagnosticRequest(uds_transport::UdsMessageConstPtr diagnostic_request) noexcept
      -> uds_transport::UdsTransportProtocolMgr::TransmissionResult;
 
  static void CreateDoipGenericHeader(std::vector<std::uint8_t> &doip_header, std::uint16_t payload_type,
                                      std::uint32_t payload_len);
 
 private:
  class DiagnosticMessageHandlerImpl;
 
  std::unique_ptr<DiagnosticMessageHandlerImpl> handler_impl_;
};
 
}  // namespace tcp_channel
}  // namespace channel
}  // namespace doip_client
#endif  //DIAG_CLIENT_LIB_LIB_DOIP_CLIENT_CHANNEL_TCP_CHANNEL_DOIP_DIAGNOSTIC_MESSAGE_HANDLER_H_