23671871465

Committed 27 Mar 2026 11:30PM UTC coverage: 26.15% (-0.05%) from 26.198%

Build # 23671871465

Build Type

push

github

Committed by

reinder

Commit Message

[cbus] added SocketCAN io handler

Run Details

0 of 47 new or added lines in 2 files covered. (0.0%)

16 existing lines in 2 files now uncovered.

8256 of 31572 relevant lines covered (26.15%)

182.21 hits per line

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/server/src/hardware/protocol/cbus/iohandler/cbussocketcaniohandler.cpp

/**
 * This file is part of Traintastic,
 * see <https://github.com/traintastic/traintastic>.
 *
 * Copyright (C) 2026 Reinder Feenstra
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

#include "cbussocketcaniohandler.hpp"
#include "../cbusgetminorpriority.hpp"
#include "../cbuskernel.hpp"
#include "../messages/cbusmessage.hpp"

namespace CBUS {

SocketCANIOHandler::SocketCANIOHandler(Kernel& kernel, const std::string& interface, uint8_t canId)
  : IOHandler(kernel)
  , m_canId{canId}
  , m_socketCAN{kernel.ioContext(), interface, m_kernel.logId,
      [this](const CAN::SocketCANIOHandler::Frame& frame)
      {
        if((frame.can_id & CAN_EFF_FLAG) == 0 && frame.can_dlc >= 1) // only standard frames with minimal 1 data byte
        {
          m_kernel.receive(static_cast<uint8_t>(frame.can_id & 0x7F), *reinterpret_cast<const Message*>(frame.data));
        }
      },
      std::bind(&Kernel::error, &m_kernel)}
{
  // FIXME: set SocketCAN filter, then kernel can filter
}

void SocketCANIOHandler::start()
{
  m_socketCAN.start();
  m_kernel.started();
}

void SocketCANIOHandler::stop()
{
  m_socketCAN.stop();
}

std::error_code SocketCANIOHandler::send(const Message& message)
{
  CAN::SocketCANIOHandler::Frame frame;
  frame.can_id =
    (static_cast<canid_t>(MajorPriority::Lowest) << 9) |
    (static_cast<canid_t>(getMinorPriority(message.opCode)) << 7) |
    m_canId;
  frame.can_dlc = message.size();
  std::memcpy(frame.data, &message, message.size());
  if(!m_socketCAN.send(frame))
  {
    return std::make_error_code(std::errc::no_buffer_space);
  }
  return {};
}

}

1	/**
2	* This file is part of Traintastic,
3	* see <https://github.com/traintastic/traintastic>.
4	*
5	* Copyright (C) 2026 Reinder Feenstra
6	*
7	* This program is free software; you can redistribute it and/or
8	* modify it under the terms of the GNU General Public License
9	* as published by the Free Software Foundation; either version 2
10	* of the License, or (at your option) any later version.
11	*
12	* This program is distributed in the hope that it will be useful,
13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	* GNU General Public License for more details.
16	*
17	* You should have received a copy of the GNU General Public License
18	* along with this program; if not, write to the Free Software
19	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20	*/
21
22	#include "cbussocketcaniohandler.hpp"
23	#include "../cbusgetminorpriority.hpp"
24	#include "../cbuskernel.hpp"
25	#include "../messages/cbusmessage.hpp"
26
27	namespace CBUS {
28
NEW 29	SocketCANIOHandler::SocketCANIOHandler(Kernel& kernel, const std::string& interface, uint8_t canId)	×
30	: IOHandler(kernel)
NEW 31	, m_canId{canId}	×
NEW 32	, m_socketCAN{kernel.ioContext(), interface, m_kernel.logId,	×
NEW 33	[this](const CAN::SocketCANIOHandler::Frame& frame)	×
34	{
NEW 35	if((frame.can_id & CAN_EFF_FLAG) == 0 && frame.can_dlc >= 1) // only standard frames with minimal 1 data byte	×
36	{
NEW 37	m_kernel.receive(static_cast<uint8_t>(frame.can_id & 0x7F), reinterpret_cast<const Message>(frame.data));	×
38	}
NEW 39	},	×
NEW 40	std::bind(&Kernel::error, &m_kernel)}	×
41	{
42	// FIXME: set SocketCAN filter, then kernel can filter
NEW 43	}	×
44
NEW 45	void SocketCANIOHandler::start()	×
46	{
NEW 47	m_socketCAN.start();	×
NEW 48	m_kernel.started();	×
NEW 49	}	×
50
NEW 51	void SocketCANIOHandler::stop()	×
52	{
NEW 53	m_socketCAN.stop();	×
NEW 54	}	×
55
NEW 56	std::error_code SocketCANIOHandler::send(const Message& message)	×
57	{
58	CAN::SocketCANIOHandler::Frame frame;
NEW 59	frame.can_id =	×
60	(static_cast<canid_t>(MajorPriority::Lowest) << 9) \|
NEW 61	(static_cast<canid_t>(getMinorPriority(message.opCode)) << 7) \|	×
NEW 62	m_canId;	×
NEW 63	frame.can_dlc = message.size();	×
NEW 64	std::memcpy(frame.data, &message, message.size());	×
NEW 65	if(!m_socketCAN.send(frame))	×
66	{
NEW 67	return std::make_error_code(std::errc::no_buffer_space);	×
68	}
NEW 69	return {};	×
70	}
71
72	}

traintastic / traintastic / 23671871465

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