24288605255

Committed 11 Apr 2026 06:17PM UTC coverage: 25.599% (-2.4%) from 27.99%

Build # 24288605255

Build Type

push

github

Committed by

web-flow

Commit Message

Merge pull request #222 from traintastic/cbus

Added CBUS/VLCB hardware support

Coverage Stats

169 of 3369 new or added lines in 99 files covered. (5.02%)

5 existing lines in 4 files now uncovered.

8300 of 32423 relevant lines covered (25.6%)

178.31 hits per line

Source File
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0.0

/server/src/hardware/protocol/cbus/iohandler/cbusasciiiohandler.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 "cbusasciiiohandler.hpp"
#include "../cbuscanmessageascii.hpp"
#include "../cbuskernel.hpp"
#include "../messages/cbusmessage.hpp"
#include "../../../../core/eventloop.hpp"
#include "../../../../log/log.hpp"

namespace CBUS {

ASCIIIOHandler::ASCIIIOHandler(Kernel& kernel)
  : IOHandler(kernel)
{
}

std::error_code ASCIIIOHandler::send(const CAN::Message& canMessage)
{
  const bool wasEmpty = m_writeQueue.empty();

  std::string frame;
  frame.resize(32);
  frame.resize(toAscii(canMessage, frame));
  if(frame.empty()) [[unlikely]]
  {
    return std::make_error_code(std::errc::bad_message);
  }

  m_writeQueue.emplace(std::move(frame));

  if(wasEmpty)
  {
    write();
  }

  return {};
}

void ASCIIIOHandler::processRead(std::size_t bytesTransferred)
{
  std::string_view buffer{m_readBuffer.data(), m_readBufferOffset + bytesTransferred};

  while(!buffer.empty())
  {
    CAN::Message canMessage;
    size_t drop = 0;

    const auto consumed = fromAscii(buffer, canMessage, drop);
    if(drop != 0)
    {
      EventLoop::call(
        [this, drop]()
        {
          Log::log(m_kernel.logId, LogMessage::W2001_RECEIVED_MALFORMED_DATA_DROPPED_X_BYTES, drop);
        });
    }
    if(consumed == 0)
    {
      break; // wait for more data
    }
    if(drop < consumed)
    {
      assert(onReceive);
      onReceive(canMessage);
    }
    buffer.remove_prefix(consumed);
  }

  if(buffer.size() != 0)
  {
    memmove(m_readBuffer.data(), buffer.data(), buffer.size());
  }
  m_readBufferOffset = buffer.size();
}

}

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 "cbusasciiiohandler.hpp"
23	#include "../cbuscanmessageascii.hpp"
24	#include "../cbuskernel.hpp"
25	#include "../messages/cbusmessage.hpp"
26	#include "../../../../core/eventloop.hpp"
27	#include "../../../../log/log.hpp"
28
29	namespace CBUS {
30
NEW 31	ASCIIIOHandler::ASCIIIOHandler(Kernel& kernel)	×
NEW 32	: IOHandler(kernel)	×
33	{
NEW 34	}	×
35
NEW 36	std::error_code ASCIIIOHandler::send(const CAN::Message& canMessage)	×
37	{
NEW 38	const bool wasEmpty = m_writeQueue.empty();	×
39
NEW 40	std::string frame;	×
NEW 41	frame.resize(32);	×
NEW 42	frame.resize(toAscii(canMessage, frame));	×
NEW 43	if(frame.empty()) [[unlikely]]	×
44	{
NEW 45	return std::make_error_code(std::errc::bad_message);	×
46	}
47
NEW 48	m_writeQueue.emplace(std::move(frame));	×
49
NEW 50	if(wasEmpty)	×
51	{
NEW 52	write();	×
53	}
54
NEW 55	return {};	×
NEW 56	}	×
57
NEW 58	void ASCIIIOHandler::processRead(std::size_t bytesTransferred)	×
59	{
NEW 60	std::string_view buffer{m_readBuffer.data(), m_readBufferOffset + bytesTransferred};	×
61
NEW 62	while(!buffer.empty())	×
63	{
64	CAN::Message canMessage;
NEW 65	size_t drop = 0;	×
66
NEW 67	const auto consumed = fromAscii(buffer, canMessage, drop);	×
NEW 68	if(drop != 0)	×
69	{
NEW 70	EventLoop::call(	×
NEW 71	[this, drop]()	×
72	{
NEW 73	Log::log(m_kernel.logId, LogMessage::W2001_RECEIVED_MALFORMED_DATA_DROPPED_X_BYTES, drop);	×
NEW 74	});	×
75	}
NEW 76	if(consumed == 0)	×
77	{
NEW 78	break; // wait for more data	×
79	}
NEW 80	if(drop < consumed)	×
81	{
NEW 82	assert(onReceive);	×
NEW 83	onReceive(canMessage);	×
84	}
NEW 85	buffer.remove_prefix(consumed);	×
86	}
87
NEW 88	if(buffer.size() != 0)	×
89	{
NEW 90	memmove(m_readBuffer.data(), buffer.data(), buffer.size());	×
91	}
NEW 92	m_readBufferOffset = buffer.size();	×
NEW 93	}	×
94
95	}

traintastic / traintastic / 24288605255

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