doip_client::channel::udp_channel::VehicleIdentificationHandler Class Reference

Class used as a handler to process vehicle identification req/ res messages. More...

#include <doip_vehicle_identification_handler.h>

Classes
class	VehicleIdentificationHandlerImpl
	Class implements vehicle identification handler. More...

Public Types
using	UdpMessagePtr = sockets::UdpSocketHandler::MessagePtr
	Type alias for Tcp message pointer. More...
using	UdpMessage = sockets::UdpSocketHandler::Message
	Type alias for Udp message. More...

Public Member Functions
	VehicleIdentificationHandler (sockets::UdpSocketHandler &udp_socket_handler, DoipUdpChannel &channel)
	Constructs an instance of VehicleIdentificationHandler. More...
	~VehicleIdentificationHandler ()
	Destruct an instance of VehicleIdentificationHandler. More...
auto	HandleVehicleIdentificationRequest (uds_transport::UdsMessageConstPtr vehicle_identification_request) noexcept -> uds_transport::UdsTransportProtocolMgr::TransmissionResult
	Function to handle sending of vehicle identification request. More...
void	ProcessVehicleIdentificationResponse (DoipMessage &doip_payload) noexcept
	Function to process received vehicle identification response. More...

Private Member Functions
auto	SendVehicleIdentificationRequest (uds_transport::UdsMessageConstPtr vehicle_identification_request) noexcept -> uds_transport::UdsTransportProtocolMgr::TransmissionResult
	Function to send vehicle identification request. More...

Private Attributes
std::unique_ptr< VehicleIdentificationHandlerImpl >	handler_impl_
	Stores the Handler implementation. More...

Detailed Description

Class used as a handler to process vehicle identification req/ res messages.

Definition at line 26 of file doip_vehicle_identification_handler.h.

Member Typedef Documentation

UdpMessage

using doip_client::channel::udp_channel::VehicleIdentificationHandler::UdpMessage = sockets::UdpSocketHandler::Message

Type alias for Udp message.

Definition at line 36 of file doip_vehicle_identification_handler.h.

UdpMessagePtr

using doip_client::channel::udp_channel::VehicleIdentificationHandler::UdpMessagePtr = sockets::UdpSocketHandler::MessagePtr

Type alias for Tcp message pointer.

Definition at line 31 of file doip_vehicle_identification_handler.h.

Constructor & Destructor Documentation

VehicleIdentificationHandler()

doip_client::channel::udp_channel::VehicleIdentificationHandler::VehicleIdentificationHandler	(	sockets::UdpSocketHandler &	udp_socket_handler,
		DoipUdpChannel &	channel
	)

Constructs an instance of VehicleIdentificationHandler.

Parameters

[in]	udp_socket_handler	The reference to socket handler
[in]	channel	The reference to doip udp channel

Definition at line 278 of file doip_vehicle_identification_handler.cpp.

    : handler_impl_{
          std::make_unique<VehicleIdentificationHandlerImpl>(udp_socket_handler, channel)} {}

~VehicleIdentificationHandler()

doip_client::channel::udp_channel::VehicleIdentificationHandler::~VehicleIdentificationHandler ( )

default

Destruct an instance of VehicleIdentificationHandler.

Member Function Documentation

HandleVehicleIdentificationRequest()

auto doip_client::channel::udp_channel::VehicleIdentificationHandler::HandleVehicleIdentificationRequest ( uds_transport::UdsMessageConstPtr  vehicle_identification_request ) -> uds_transport::UdsTransportProtocolMgr::TransmissionResult

noexcept

Function to handle sending of vehicle identification request.

Parameters

[in]

vehicle_identification_request

The vehicle identification request

Returns

Transmission result

Definition at line 285 of file doip_vehicle_identification_handler.cpp.

                                                              {
  uds_transport::UdsTransportProtocolMgr::TransmissionResult ret_val{
      uds_transport::UdsTransportProtocolMgr::TransmissionResult::kTransmitFailed};
  if (handler_impl_->GetStateContext().GetActiveState().GetState() ==
      VehicleIdentificationState::kIdle) {
    // change state before sending if SendVehicleIdentificationRequest call takes more time to return and in the
    // same time async reception starts
    handler_impl_->GetStateContext().TransitionTo(
        VehicleIdentificationState::kWaitForVehicleIdentificationRes);
    if (SendVehicleIdentificationRequest(std::move(vehicle_identification_request)) ==
        uds_transport::UdsTransportProtocolMgr::TransmissionResult::kTransmitOk) {
      ret_val = uds_transport::UdsTransportProtocolMgr::TransmissionResult::kTransmitOk;
      // Wait for 2 sec to collect all the vehicle identification response
      handler_impl_->GetSyncTimer().WaitForTimeout(
          [&]() {
            handler_impl_->GetStateContext().TransitionTo(
                VehicleIdentificationState::kDoIPCtrlTimeout);
            // Todo: Send data to upper layer here
          },
          [&]() {
            // no cancellation
          },
          std::chrono::milliseconds{kDoIPCtrl});
      handler_impl_->GetStateContext().TransitionTo(VehicleIdentificationState::kIdle);
    } else {
      // failed, do nothing
      handler_impl_->GetStateContext().TransitionTo(VehicleIdentificationState::kIdle);
      logger::DoipClientLogger::GetDiagClientLogger().GetLogger().LogError(
          FILE_NAME, __LINE__, "", [](std::stringstream &msg) {
            msg << "Vehicle Identification request transmission Failed";
          });
    }
  } else {
    // not free, state already in idle state
  }
  return ret_val;
}

References FILE_NAME, doip_client::logger::DoipClientLogger::GetDiagClientLogger(), doip_client::kDoIPCtrl, uds_transport::UdsTransportProtocolMgr::kTransmitFailed, and uds_transport::UdsTransportProtocolMgr::kTransmitOk.

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ProcessVehicleIdentificationResponse()

void doip_client::channel::udp_channel::VehicleIdentificationHandler::ProcessVehicleIdentificationResponse ( DoipMessage &  doip_payload )

noexcept

Function to process received vehicle identification response.

Parameters

[in]

doip_payload

The doip message received

Definition at line 325 of file doip_vehicle_identification_handler.cpp.

                                        {
  if (handler_impl_->GetStateContext().GetActiveState().GetState() ==
      VehicleIdentificationState::kWaitForVehicleIdentificationRes) {
    // Deserialize data to indicate to upper layer
    std::pair<uds_transport::UdsTransportProtocolMgr::IndicationResult,
              uds_transport::UdsMessagePtr>
        ret_val{handler_impl_->GetDoipChannel().IndicateMessage(
            static_cast<uds_transport::UdsMessage::Address>(0U),
            static_cast<uds_transport::UdsMessage::Address>(0U),
            uds_transport::UdsMessage::TargetAddressType::kPhysical, 0U,
            doip_payload.GetPayload().size(), 0U, "DoIPUdp", doip_payload.GetPayload())};
    if ((ret_val.first ==
         uds_transport::UdsTransportProtocolMgr::IndicationResult::kIndicationOk) &&
        (ret_val.second != nullptr)) {
      // Add meta info about ip address
      uds_transport::UdsMessage::MetaInfoMap meta_info_map{
          {"kRemoteIpAddress", std::string{doip_payload.GetHostIpAddress()}}};
      ret_val.second->AddMetaInfo(
          std::make_shared<uds_transport::UdsMessage::MetaInfoMap>(meta_info_map));
      // copy to application buffer
      (void) std::copy(doip_payload.GetPayload().begin(), doip_payload.GetPayload().end(),
                       ret_val.second->GetPayload().begin());
      handler_impl_->GetDoipChannel().HandleMessage(std::move(ret_val.second));
    }
  } else {
    // ignore
  }
}

References uds_transport::UdsTransportProtocolMgr::kIndicationOk, and uds_transport::UdsMessage::kPhysical.

Referenced by doip_client::channel::udp_channel::DoipUdpChannelHandler::ProcessDoIPPayload().

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SendVehicleIdentificationRequest()

auto doip_client::channel::udp_channel::VehicleIdentificationHandler::SendVehicleIdentificationRequest ( uds_transport::UdsMessageConstPtr  vehicle_identification_request ) -> uds_transport::UdsTransportProtocolMgr::TransmissionResult

privatenoexcept

Function to send vehicle identification request.

Parameters

[in]

vehicle_identification_request

The vehicle identification request

Returns

Transmission result

Definition at line 355 of file doip_vehicle_identification_handler.cpp.

                                                              {
  uds_transport::UdsTransportProtocolMgr::TransmissionResult ret_val{
      uds_transport::UdsTransportProtocolMgr::TransmissionResult::kTransmitFailed};
  // Get preselection mode
  std::uint8_t const preselection_mode{vehicle_identification_request->GetPayload()[1u]};
  // Get the payload type & length from preselection mode
  VehiclePayloadType const doip_vehicle_payload_type{
      GetVehicleIdentificationPayloadType(preselection_mode)};
 
  // create header
  UdpMessage::BufferType compose_vehicle_identification_req{
      CreateDoipGenericHeader(doip_vehicle_payload_type.first, doip_vehicle_payload_type.second)};
  // Copy only if containing VIN / EID
  if (doip_vehicle_payload_type.first != kDoip_VehicleIdentification_ReqType) {
    compose_vehicle_identification_req.insert(
        compose_vehicle_identification_req.begin() + kDoipheadrSize,
        vehicle_identification_request->GetPayload().begin() + 2U,
        vehicle_identification_request->GetPayload().end());
  }
 
  UdpMessagePtr doip_vehicle_identification_req{
      std::make_unique<UdpMessage>(vehicle_identification_request->GetHostIpAddress(),
                                   vehicle_identification_request->GetHostPortNumber(),
                                   std::move(compose_vehicle_identification_req))};
  if (handler_impl_->GetSocketHandler().Transmit(std::move(doip_vehicle_identification_req))) {
    ret_val = uds_transport::UdsTransportProtocolMgr::TransmissionResult::kTransmitOk;
  }
  return ret_val;
}

References doip_client::channel::udp_channel::anonymous_namespace{doip_vehicle_identification_handler.cpp}::CreateDoipGenericHeader(), doip_client::channel::udp_channel::anonymous_namespace{doip_vehicle_identification_handler.cpp}::GetVehicleIdentificationPayloadType(), doip_client::kDoip_VehicleIdentification_ReqType, doip_client::kDoipheadrSize, uds_transport::UdsTransportProtocolMgr::kTransmitFailed, and uds_transport::UdsTransportProtocolMgr::kTransmitOk.

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Member Data Documentation

handler_impl_

std::unique_ptr<VehicleIdentificationHandlerImpl> doip_client::channel::udp_channel::VehicleIdentificationHandler::handler_impl_

private

Stores the Handler implementation.

Definition at line 91 of file doip_vehicle_identification_handler.h.

---

The documentation for this class was generated from the following files:

• /home/runner/work/diag-client-lib/diag-client-lib/diag-client-lib/lib/doip-client/channel/udp_channel/doip_vehicle_identification_handler.h
• /home/runner/work/diag-client-lib/diag-client-lib/diag-client-lib/lib/doip-client/channel/udp_channel/doip_vehicle_identification_handler.cpp