23119302850

Committed 15 Mar 2026 09:04PM UTC coverage: 26.621% (-0.04%) from 26.658%

Build # 23119302850

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push

github

Committed by

reinder

Commit Message

[cbus] added missing translations

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8246 of 30975 relevant lines covered (26.62%)

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0.0

/server/src/hardware/protocol/cbus/cbuskernel.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 "cbuskernel.hpp"
#include "cbusmessages.hpp"
#include "cbustostring.hpp"
#include "simulator/cbussimulator.hpp"
#include "../dcc/dcc.hpp"
#include "../../../core/eventloop.hpp"
#include "../../../log/log.hpp"
#include "../../../log/logmessageexception.hpp"
#include "../../../utils/inrange.hpp"
#include "../../../utils/setthreadname.hpp"

namespace {

constexpr uint16_t makeAddressKey(uint16_t address, bool longAddress)
{
  return longAddress ? (0xC000 | (address & 0x3FFF)) : (address & 0x7F);
}

constexpr CBUS::SetEngineSessionMode::SpeedMode toSpeedMode(uint8_t speedSteps)
{
  using enum CBUS::SetEngineSessionMode::SpeedMode;

  switch(speedSteps)
  {
    case 14:
      return SpeedMode14;

    case 28:
      return SpeedMode28;

    default:
      return SpeedMode128;
  }
}

}

namespace CBUS {

Kernel::Kernel(std::string logId_, const Config& config, bool simulation)
  : KernelBase(std::move(logId_))
  , m_simulation{simulation}
  , m_config{config}
  , m_engineKeepAliveTimer{ioContext()}
{
  assert(isEventLoopThread());
}

void Kernel::setConfig(const Config& config)
{
  assert(isEventLoopThread());

  m_ioContext.post(
    [this, newConfig=config]()
    {
      m_config = newConfig;
    });
}

void Kernel::start()
{
  assert(isEventLoopThread());
  assert(m_ioHandler);

  m_thread = std::thread(
    [this]()
    {
      setThreadName("cbus");
      auto work = std::make_shared<boost::asio::io_context::work>(m_ioContext);
      m_ioContext.run();
    });

  m_ioContext.post(
    [this]()
    {
      try
      {
        m_ioHandler->start();
      }
      catch(const LogMessageException& e)
      {
        EventLoop::call(
          [this, e]()
          {
            Log::log(logId, e.message(), e.args());
            error();
          });
        return;
      }
    });
}

void Kernel::stop()
{
  assert(isEventLoopThread());

  m_ioContext.post(
    [this]()
    {
      m_ioHandler->stop();
    });

  m_ioContext.stop();

  m_thread.join();
}

void Kernel::started()
{
  assert(isKernelThread());

  send(RequestCommandStationStatus());
  send(QueryNodeNumber());

  ::KernelBase::started();
}

void Kernel::receive(uint8_t /*canId*/, const Message& message)
{
  assert(isKernelThread());

  if(m_config.debugLogRXTX)
  {
    EventLoop::call(
      [this, msg=toString(message)]()
      {
        Log::log(logId, LogMessage::D2002_RX_X, msg);
      });
  }

  switch(message.opCode)
  {
    case OpCode::TOF:
      m_trackOn = false;
      if(onTrackOff) [[likely]]
      {
        EventLoop::call(onTrackOff);
      }
      break;

    case OpCode::TON:
      m_trackOn = true;
      if(onTrackOn) [[likely]]
      {
        EventLoop::call(onTrackOn);
      }
      break;

    case OpCode::ESTOP:
      if(onEmergencyStop) [[likely]]
      {
        EventLoop::call(onEmergencyStop);
      }
      break;

    case OpCode::ASON:
    {
      const auto& ason = static_cast<const AccessoryShortOn&>(message);
      EventLoop::call(
        [this, eventNumber=ason.deviceNumber()]()
        {
          if(onShortEvent) [[likely]]
          {
            onShortEvent(eventNumber, true);
          }
        });
      break;
    }
    case OpCode::ASOF:
    {
      const auto& asof = static_cast<const AccessoryShortOff&>(message);
      EventLoop::call(
        [this, eventNumber=asof.deviceNumber()]()
        {
          if(onShortEvent) [[likely]]
          {
            onShortEvent(eventNumber, false);
          }
        });
      break;
    }
    case OpCode::ERR:
    {
      switch(static_cast<const CommandStationErrorMessage&>(message).errorCode)
      {
        using enum DCCErr;

        case LocoStackFull:
        {
          const auto& err = static_cast<const CommandStationLocoStackFullError&>(message);
          const auto key = makeAddressKey(err.address(), err.isLongAddress());
          if(m_engineGLOCs.contains(key))
          {
            m_engineGLOCs.erase(key);
            // FIXME: log error
          }
          break;
        }
        case SessionCancelled:
          if(auto it = std::find_if(m_engines.begin(), m_engines.end(),
            [session=static_cast<const CommandStationSessionCancelled&>(message).session()](const auto& item)
            {
              return item.second.session && *item.second.session == session;
            }); it != m_engines.end())
          {
            it->second.session = std::nullopt;

            if(m_engineKeepAliveTimerActive && m_engineKeepAliveSession == *it->second.session)
            {
              restartEngineKeepAliveTimer();
            }

            EventLoop::call(
              [this, key=it->first]()
              {
                if(onEngineSessionCancelled) [[likely]]
                {
                  onEngineSessionCancelled(key & 0x3FFF, (key & 0xC000) == 0xC000);
                }
              });
          }
          break;

        case LocoAddressTaken:
        case SessionNotPresent:
        case ConsistEmpty:
        case LocoNotFound:
        case CANBusError:
        case InvalidRequest:
          break;
      }
      break;
    }
    case OpCode::ACON:
    {
      const auto& acon = static_cast<const AccessoryOn&>(message);
      EventLoop::call(
        [this, nodeNumber=acon.nodeNumber(), eventNumber=acon.eventNumber()]()
        {
          if(onLongEvent) [[likely]]
          {
            onLongEvent(nodeNumber, eventNumber, false);
          }
        });
      break;
    }
    case OpCode::ACOF:
    {
      const auto& acof = static_cast<const AccessoryOff&>(message);
      EventLoop::call(
        [this, nodeNumber=acof.nodeNumber(), eventNumber=acof.eventNumber()]()
        {
          if(onLongEvent) [[likely]]
          {
            onLongEvent(nodeNumber, eventNumber, false);
          }
        });
      break;
    }
    case OpCode::PLOC:
    {
      const auto& ploc = static_cast<const EngineReport&>(message);
      const auto key = makeAddressKey(ploc.address(), ploc.isLongAddress());
      if(m_engineGLOCs.contains(key))
      {
        m_engineGLOCs.erase(key);

        if(auto it = m_engines.find(key); it != m_engines.end())
        {
          auto& engine = it->second;
          engine.session = ploc.session;

          sendSetEngineSessionMode(ploc.session, engine.speedSteps);
          sendSetEngineSpeedDirection(ploc.session, engine.speed, engine.directionForward);

          for(const auto& [number, value] : engine.functions)
          {
            sendSetEngineFunction(ploc.session, number, value);
          }

          engine.lastCommand = std::chrono::steady_clock::now();

          if(!m_engineKeepAliveTimerActive)
          {
            restartEngineKeepAliveTimer();
          }
        }
        else // we're no longer in need of control (rare but possible)
        {
          send(ReleaseEngine(ploc.session));
        }
      }
      break;
    }
    default:
      break;
  }
}

void Kernel::trackOff()
{
  assert(isEventLoopThread());

  m_ioContext.post(
    [this]()
    {
      if(m_trackOn)
      {
        send(RequestTrackOff());
      }
    });
}

void Kernel::trackOn()
{
  assert(isEventLoopThread());

  m_ioContext.post(
    [this]()
    {
      if(!m_trackOn)
      {
        send(RequestTrackOn());
      }
    });
}

void Kernel::requestEmergencyStop()
{
  assert(isEventLoopThread());

  m_ioContext.post(
    [this]()
    {
      send(RequestEmergencyStop());
    });
}

void Kernel::setEngineSpeedDirection(uint16_t address, bool longAddress, uint8_t speedStep, uint8_t speedSteps, bool eStop, bool directionForward)
{
  assert(isEventLoopThread());

  const uint8_t speed = eStop ? 1 : (speedStep > 0 ? speedStep + 1 : 0);

  m_ioContext.post(
    [this, address, longAddress, speed, speedSteps, directionForward]()
    {
      auto& engine = m_engines[makeAddressKey(address, longAddress)];
      const bool speedStepsChanged = engine.speedSteps != speedSteps;
      engine.speedSteps = speedSteps;
      engine.speed = speed;
      engine.directionForward = directionForward;

      if(engine.session) // we're in control
      {
        if(speedStepsChanged)
        {
          sendSetEngineSessionMode(*engine.session, engine.speedSteps);
        }
        sendSetEngineSpeedDirection(*engine.session, engine.speed, engine.directionForward);

        engine.lastCommand = std::chrono::steady_clock::now();

        if(!m_engineKeepAliveTimerActive || (m_engineKeepAliveTimerActive && m_engineKeepAliveSession == *engine.session))
        {
          restartEngineKeepAliveTimer();
        }
      }
      else // take control
      {
        sendGetEngineSession(address, longAddress);
      }
    });
}

void Kernel::setEngineFunction(uint16_t address, bool longAddress, uint8_t number, bool value)
{
  assert(isEventLoopThread());

  m_ioContext.post(
    [this, address, longAddress, number, value]()
    {
      auto& engine = m_engines[makeAddressKey(address, longAddress)];
      engine.functions[number] = value;
      if(engine.session) // we're in control
      {
        sendSetEngineFunction(*engine.session, number, value);

        engine.lastCommand = std::chrono::steady_clock::now();

        if(!m_engineKeepAliveTimerActive || (m_engineKeepAliveTimerActive && m_engineKeepAliveSession == *engine.session))
        {
          restartEngineKeepAliveTimer();
        }
      }
      else // take control
      {
        sendGetEngineSession(address, longAddress);
      }
    });
}

void Kernel::setAccessoryShort(uint16_t deviceNumber, bool on)
{
  assert(isEventLoopThread());

  m_ioContext.post(
    [this, deviceNumber, on]()
    {
      if(on)
      {
        send(AccessoryShortOn(Config::nodeId, deviceNumber));
      }
      else
      {
        send(AccessoryShortOff(Config::nodeId, deviceNumber));
      }
    });
}

void Kernel::setAccessory(uint16_t nodeNumber, uint16_t eventNumber, bool on)
{
  assert(isEventLoopThread());

  m_ioContext.post(
    [this, nodeNumber, eventNumber, on]()
    {
      if(on)
      {
        send(AccessoryOn(nodeNumber, eventNumber));
      }
      else
      {
        send(AccessoryOff(nodeNumber, eventNumber));
      }
    });
}

bool Kernel::send(std::vector<uint8_t> message)
{
  assert(isEventLoopThread());

  if(!inRange<size_t>(message.size(), 1, 8))
  {
    return false;
  }

  m_ioContext.post(
    [this, msg=std::move(message)]()
    {
      send(*reinterpret_cast<const Message*>(msg.data()));
    });

  return true;
}

bool Kernel::sendDCC(std::vector<uint8_t> dccPacket, uint8_t repeat)
{
  assert(isEventLoopThread());

  if(!inRange<size_t>(dccPacket.size(), 2, 5) || repeat == 0)
  {
    return false;
  }

  dccPacket.emplace_back(DCC::calcChecksum(dccPacket));

  m_ioContext.post(
    [this, packet=std::move(dccPacket), repeat]()
    {
      switch(packet.size())
      {
        case 3:
          send(RequestDCCPacket<3>(packet, repeat));
          break;

        case 4:
          send(RequestDCCPacket<4>(packet, repeat));
          break;

        case 5:
          send(RequestDCCPacket<5>(packet, repeat));
          break;

        case 6:
          send(RequestDCCPacket<6>(packet, repeat));
          break;

        default: [[unlikely]]
          assert(false);
          break;
      }
    });

  return true;
}

void Kernel::setIOHandler(std::unique_ptr<IOHandler> handler)
{
  assert(isEventLoopThread());
  assert(handler);
  assert(!m_ioHandler);
  m_ioHandler = std::move(handler);
}

void Kernel::send(const Message& message)
{
  assert(isKernelThread());

  if(m_config.debugLogRXTX)
  {
    EventLoop::call(
      [this, msg=toString(message)]()
      {
        Log::log(logId, LogMessage::D2001_TX_X, msg);
      });
  }

  if(auto ec = m_ioHandler->send(message); ec)
  {
    (void)ec; // FIXME: handle error
  }
}

void Kernel::sendGetEngineSession(uint16_t address, bool longAddress)
{
  assert(isKernelThread());
  const auto key = makeAddressKey(address, longAddress);
  if(!m_engineGLOCs.contains(key))
  {
    m_engineGLOCs.emplace(key);
    send(GetEngineSession(address, longAddress, GetEngineSession::Mode::Steal));
  }
}

void Kernel::sendSetEngineSessionMode(uint8_t session, uint8_t speedSteps)
{
  assert(isKernelThread());
  // FIXME: what to do with: serviceMode and soundControlMode?
  send(SetEngineSessionMode(session, toSpeedMode(speedSteps), false, false));
}

void Kernel::sendSetEngineSpeedDirection(uint8_t session, uint8_t speed, bool directionForward)
{
  assert(isKernelThread());
  send(SetEngineSpeedDirection(session, speed, directionForward));
}

void Kernel::sendSetEngineFunction(uint8_t session, uint8_t number, bool value)
{
  assert(isKernelThread());
  if(value)
  {
    send(SetEngineFunctionOn(session, number));
  }
  else
  {
    send(SetEngineFunctionOff(session, number));
  }
}

void Kernel::restartEngineKeepAliveTimer()
{
  m_engineKeepAliveTimer.cancel();

  // find first expiring engine:
  std::chrono::steady_clock::time_point lastUpdate = std::chrono::steady_clock::time_point::max();
  for(const auto& [_, engine] : m_engines)
  {
    if(engine.session && engine.lastCommand < lastUpdate)
    {
      lastUpdate = engine.lastCommand;
      m_engineKeepAliveSession = *engine.session;
    }
  }

  m_engineKeepAliveTimerActive = (lastUpdate < std::chrono::steady_clock::time_point::max());

  if(m_engineKeepAliveTimerActive)
  {
    m_engineKeepAliveTimer.expires_at(lastUpdate + m_config.engineKeepAlive);
    m_engineKeepAliveTimer.async_wait(
      [this](std::error_code ec)
      {
        if(ec)
        {
          return;
        }

        send(SessionKeepAlive(m_engineKeepAliveSession));

        if(auto it = std::find_if(m_engines.begin(), m_engines.end(),
            [session=m_engineKeepAliveSession](const auto& item)
            {
              return item.second.session && *item.second.session == session;
            }); it != m_engines.end()) [[likely]]
        {
          it->second.lastCommand = std::chrono::steady_clock::now();
        }

        restartEngineKeepAliveTimer();
      });
  }
}

}

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 "cbuskernel.hpp"
23	#include "cbusmessages.hpp"
24	#include "cbustostring.hpp"
25	#include "simulator/cbussimulator.hpp"
26	#include "../dcc/dcc.hpp"
27	#include "../../../core/eventloop.hpp"
28	#include "../../../log/log.hpp"
29	#include "../../../log/logmessageexception.hpp"
30	#include "../../../utils/inrange.hpp"
31	#include "../../../utils/setthreadname.hpp"
32
33	namespace {
34
35	constexpr uint16_t makeAddressKey(uint16_t address, bool longAddress)	×
36	{
37	return longAddress ? (0xC000 \| (address & 0x3FFF)) : (address & 0x7F);	×
38	}
39
40	constexpr CBUS::SetEngineSessionMode::SpeedMode toSpeedMode(uint8_t speedSteps)	×
41	{
42	using enum CBUS::SetEngineSessionMode::SpeedMode;
43
44	switch(speedSteps)	×
45	{
46	case 14:	×
47	return SpeedMode14;	×
48
49	case 28:	×
50	return SpeedMode28;	×
51
52	default:	×
53	return SpeedMode128;	×
54	}
55	}
56
57	}
58
59	namespace CBUS {
60
61	Kernel::Kernel(std::string logId_, const Config& config, bool simulation)	×
62	: KernelBase(std::move(logId_))	×
63	, m_simulation{simulation}	×
64	, m_config{config}	×
65	, m_engineKeepAliveTimer{ioContext()}	×
66	{
67	assert(isEventLoopThread());	×
68	}	×
69
70	void Kernel::setConfig(const Config& config)	×
71	{
72	assert(isEventLoopThread());	×
73
74	m_ioContext.post(	×
75	[this, newConfig=config]()	×
76	{
77	m_config = newConfig;	×
78	});	×
79	}	×
80
81	void Kernel::start()	×
82	{
83	assert(isEventLoopThread());	×
84	assert(m_ioHandler);	×
85
86	m_thread = std::thread(	×
87	[this]()	×
88	{
89	setThreadName("cbus");	×
90	auto work = std::make_shared<boost::asio::io_context::work>(m_ioContext);	×
91	m_ioContext.run();	×
92	});	×
93
94	m_ioContext.post(	×
95	[this]()	×
96	{
97	try
98	{
99	m_ioHandler->start();	×
100	}
101	catch(const LogMessageException& e)	×
102	{
103	EventLoop::call(	×
104	[this, e]()	×
105	{
106	Log::log(logId, e.message(), e.args());	×
107	error();	×
108	});	×
109	return;	×
110	}	×
111	});
112	}	×
113
114	void Kernel::stop()	×
115	{
116	assert(isEventLoopThread());	×
117
118	m_ioContext.post(	×
119	[this]()	×
120	{
121	m_ioHandler->stop();	×
122	});	×
123
124	m_ioContext.stop();	×
125
126	m_thread.join();	×
127	}	×
128
129	void Kernel::started()	×
130	{
131	assert(isKernelThread());	×
132
133	send(RequestCommandStationStatus());	×
134	send(QueryNodeNumber());	×
135
136	::KernelBase::started();	×
137	}	×
138
139	void Kernel::receive(uint8_t /canId/, const Message& message)	×
140	{
141	assert(isKernelThread());	×
142
143	if(m_config.debugLogRXTX)	×
144	{
145	EventLoop::call(	×
146	[this, msg=toString(message)]()	×
147	{
148	Log::log(logId, LogMessage::D2002_RX_X, msg);	×
149	});	×
150	}
151
152	switch(message.opCode)	×
153	{
154	case OpCode::TOF:	×
155	m_trackOn = false;	×
156	if(onTrackOff) [[likely]]	×
157	{
158	EventLoop::call(onTrackOff);	×
159	}
160	break;	×
161
162	case OpCode::TON:	×
163	m_trackOn = true;	×
164	if(onTrackOn) [[likely]]	×
165	{
166	EventLoop::call(onTrackOn);	×
167	}
168	break;	×
169
170	case OpCode::ESTOP:	×
171	if(onEmergencyStop) [[likely]]	×
172	{
173	EventLoop::call(onEmergencyStop);	×
174	}
175	break;	×
176
177	case OpCode::ASON:	×
178	{
179	const auto& ason = static_cast<const AccessoryShortOn&>(message);	×
180	EventLoop::call(	×
181	[this, eventNumber=ason.deviceNumber()]()	×
182	{
183	if(onShortEvent) [[likely]]	×
184	{
185	onShortEvent(eventNumber, true);	×
186	}
187	});	×
188	break;	×
189	}
190	case OpCode::ASOF:	×
191	{
192	const auto& asof = static_cast<const AccessoryShortOff&>(message);	×
193	EventLoop::call(	×
194	[this, eventNumber=asof.deviceNumber()]()	×
195	{
196	if(onShortEvent) [[likely]]	×
197	{
198	onShortEvent(eventNumber, false);	×
199	}
200	});	×
201	break;	×
202	}
203	case OpCode::ERR:	×
204	{
205	switch(static_cast<const CommandStationErrorMessage&>(message).errorCode)	×
206	{
207	using enum DCCErr;
208
209	case LocoStackFull:	×
210	{
211	const auto& err = static_cast<const CommandStationLocoStackFullError&>(message);	×
212	const auto key = makeAddressKey(err.address(), err.isLongAddress());	×
213	if(m_engineGLOCs.contains(key))	×
214	{
215	m_engineGLOCs.erase(key);	×
216	// FIXME: log error
217	}
218	break;	×
219	}
220	case SessionCancelled:	×
221	if(auto it = std::find_if(m_engines.begin(), m_engines.end(),	×
222	[session=static_cast<const CommandStationSessionCancelled&>(message).session()](const auto& item)	×
223	{
224	return item.second.session && *item.second.session == session;	×
225	}); it != m_engines.end())	×
226	{
227	it->second.session = std::nullopt;	×
228
229	if(m_engineKeepAliveTimerActive && m_engineKeepAliveSession == *it->second.session)	×
230	{
231	restartEngineKeepAliveTimer();	×
232	}
233
234	EventLoop::call(	×
235	[this, key=it->first]()	×
236	{
237	if(onEngineSessionCancelled) [[likely]]	×
238	{
239	onEngineSessionCancelled(key & 0x3FFF, (key & 0xC000) == 0xC000);	×
240	}
241	});	×
242	}
243	break;	×
244
245	case LocoAddressTaken:	×
246	case SessionNotPresent:
247	case ConsistEmpty:
248	case LocoNotFound:
249	case CANBusError:
250	case InvalidRequest:
251	break;	×
252	}
253	break;	×
254	}
255	case OpCode::ACON:	×
256	{
257	const auto& acon = static_cast<const AccessoryOn&>(message);	×
258	EventLoop::call(	×
259	[this, nodeNumber=acon.nodeNumber(), eventNumber=acon.eventNumber()]()	×
260	{
261	if(onLongEvent) [[likely]]	×
262	{
263	onLongEvent(nodeNumber, eventNumber, false);	×
264	}
265	});	×
266	break;	×
267	}
268	case OpCode::ACOF:	×
269	{
270	const auto& acof = static_cast<const AccessoryOff&>(message);	×
271	EventLoop::call(	×
272	[this, nodeNumber=acof.nodeNumber(), eventNumber=acof.eventNumber()]()	×
273	{
274	if(onLongEvent) [[likely]]	×
275	{
276	onLongEvent(nodeNumber, eventNumber, false);	×
277	}
278	});	×
279	break;	×
280	}
281	case OpCode::PLOC:	×
282	{
283	const auto& ploc = static_cast<const EngineReport&>(message);	×
284	const auto key = makeAddressKey(ploc.address(), ploc.isLongAddress());	×
285	if(m_engineGLOCs.contains(key))	×
286	{
287	m_engineGLOCs.erase(key);	×
288
289	if(auto it = m_engines.find(key); it != m_engines.end())	×
290	{
291	auto& engine = it->second;	×
292	engine.session = ploc.session;	×
293
294	sendSetEngineSessionMode(ploc.session, engine.speedSteps);	×
295	sendSetEngineSpeedDirection(ploc.session, engine.speed, engine.directionForward);	×
296
297	for(const auto& [number, value] : engine.functions)	×
298	{
299	sendSetEngineFunction(ploc.session, number, value);	×
300	}
301
302	engine.lastCommand = std::chrono::steady_clock::now();	×
303
304	if(!m_engineKeepAliveTimerActive)	×
305	{
306	restartEngineKeepAliveTimer();	×
307	}
308	}
309	else // we're no longer in need of control (rare but possible)
310	{
311	send(ReleaseEngine(ploc.session));	×
312	}
313	}
314	break;	×
315	}
316	default:	×
317	break;	×
318	}
319	}	×
320
321	void Kernel::trackOff()	×
322	{
323	assert(isEventLoopThread());	×
324
325	m_ioContext.post(	×
326	[this]()	×
327	{
328	if(m_trackOn)	×
329	{
330	send(RequestTrackOff());	×
331	}
332	});	×
333	}	×
334
335	void Kernel::trackOn()	×
336	{
337	assert(isEventLoopThread());	×
338
339	m_ioContext.post(	×
340	[this]()	×
341	{
342	if(!m_trackOn)	×
343	{
344	send(RequestTrackOn());	×
345	}
346	});	×
347	}	×
348
349	void Kernel::requestEmergencyStop()	×
350	{
351	assert(isEventLoopThread());	×
352
353	m_ioContext.post(	×
354	[this]()	×
355	{
356	send(RequestEmergencyStop());	×
357	});	×
358	}	×
359
360	void Kernel::setEngineSpeedDirection(uint16_t address, bool longAddress, uint8_t speedStep, uint8_t speedSteps, bool eStop, bool directionForward)	×
361	{
362	assert(isEventLoopThread());	×
363
364	const uint8_t speed = eStop ? 1 : (speedStep > 0 ? speedStep + 1 : 0);	×
365
366	m_ioContext.post(	×
367	[this, address, longAddress, speed, speedSteps, directionForward]()	×
368	{
369	auto& engine = m_engines[makeAddressKey(address, longAddress)];	×
370	const bool speedStepsChanged = engine.speedSteps != speedSteps;	×
371	engine.speedSteps = speedSteps;	×
372	engine.speed = speed;	×
373	engine.directionForward = directionForward;	×
374
375	if(engine.session) // we're in control	×
376	{
377	if(speedStepsChanged)	×
378	{
379	sendSetEngineSessionMode(*engine.session, engine.speedSteps);	×
380	}
381	sendSetEngineSpeedDirection(*engine.session, engine.speed, engine.directionForward);	×
382
383	engine.lastCommand = std::chrono::steady_clock::now();	×
384
385	if(!m_engineKeepAliveTimerActive \|\| (m_engineKeepAliveTimerActive && m_engineKeepAliveSession == *engine.session))	×
386	{
387	restartEngineKeepAliveTimer();	×
388	}
389	}
390	else // take control
391	{
392	sendGetEngineSession(address, longAddress);	×
393	}
394	});	×
395	}	×
396
397	void Kernel::setEngineFunction(uint16_t address, bool longAddress, uint8_t number, bool value)	×
398	{
399	assert(isEventLoopThread());	×
400
401	m_ioContext.post(	×
402	[this, address, longAddress, number, value]()	×
403	{
404	auto& engine = m_engines[makeAddressKey(address, longAddress)];	×
405	engine.functions[number] = value;	×
406	if(engine.session) // we're in control	×
407	{
408	sendSetEngineFunction(*engine.session, number, value);	×
409
410	engine.lastCommand = std::chrono::steady_clock::now();	×
411
412	if(!m_engineKeepAliveTimerActive \|\| (m_engineKeepAliveTimerActive && m_engineKeepAliveSession == *engine.session))	×
413	{
414	restartEngineKeepAliveTimer();	×
415	}
416	}
417	else // take control
418	{
419	sendGetEngineSession(address, longAddress);	×
420	}
421	});	×
422	}	×
423
424	void Kernel::setAccessoryShort(uint16_t deviceNumber, bool on)	×
425	{
426	assert(isEventLoopThread());	×
427
428	m_ioContext.post(	×
429	[this, deviceNumber, on]()	×
430	{
431	if(on)	×
432	{
433	send(AccessoryShortOn(Config::nodeId, deviceNumber));	×
434	}
435	else
436	{
437	send(AccessoryShortOff(Config::nodeId, deviceNumber));	×
438	}
439	});	×
440	}	×
441
442	void Kernel::setAccessory(uint16_t nodeNumber, uint16_t eventNumber, bool on)	×
443	{
444	assert(isEventLoopThread());	×
445
446	m_ioContext.post(	×
447	[this, nodeNumber, eventNumber, on]()	×
448	{
449	if(on)	×
450	{
451	send(AccessoryOn(nodeNumber, eventNumber));	×
452	}
453	else
454	{
455	send(AccessoryOff(nodeNumber, eventNumber));	×
456	}
457	});	×
458	}	×
459
460	bool Kernel::send(std::vector<uint8_t> message)	×
461	{
462	assert(isEventLoopThread());	×
463
464	if(!inRange<size_t>(message.size(), 1, 8))	×
465	{
466	return false;	×
467	}
468
469	m_ioContext.post(	×
470	[this, msg=std::move(message)]()	×
471	{
472	send(reinterpret_cast<const Message>(msg.data()));	×
473	});	×
474
475	return true;	×
476	}
477
478	bool Kernel::sendDCC(std::vector<uint8_t> dccPacket, uint8_t repeat)	×
479	{
480	assert(isEventLoopThread());	×
481
482	if(!inRange<size_t>(dccPacket.size(), 2, 5) \|\| repeat == 0)	×
483	{
484	return false;	×
485	}
486
487	dccPacket.emplace_back(DCC::calcChecksum(dccPacket));	×
488
489	m_ioContext.post(	×
490	[this, packet=std::move(dccPacket), repeat]()	×
491	{
492	switch(packet.size())	×
493	{
494	case 3:	×
495	send(RequestDCCPacket<3>(packet, repeat));	×
496	break;	×
497
498	case 4:	×
499	send(RequestDCCPacket<4>(packet, repeat));	×
500	break;	×
501
502	case 5:	×
503	send(RequestDCCPacket<5>(packet, repeat));	×
504	break;	×
505
506	case 6:	×
507	send(RequestDCCPacket<6>(packet, repeat));	×
508	break;	×
509
510	default: [[unlikely]]	×
511	assert(false);	×
512	break;
513	}
514	});	×
515
516	return true;	×
517	}
518
519	void Kernel::setIOHandler(std::unique_ptr<IOHandler> handler)	×
520	{
521	assert(isEventLoopThread());	×
522	assert(handler);	×
523	assert(!m_ioHandler);	×
524	m_ioHandler = std::move(handler);	×
525	}	×
526
527	void Kernel::send(const Message& message)	×
528	{
529	assert(isKernelThread());	×
530
531	if(m_config.debugLogRXTX)	×
532	{
533	EventLoop::call(	×
534	[this, msg=toString(message)]()	×
535	{
536	Log::log(logId, LogMessage::D2001_TX_X, msg);	×
537	});	×
538	}
539
540	if(auto ec = m_ioHandler->send(message); ec)	×
541	{
542	(void)ec; // FIXME: handle error
543	}
544	}	×
545
546	void Kernel::sendGetEngineSession(uint16_t address, bool longAddress)	×
547	{
548	assert(isKernelThread());	×
549	const auto key = makeAddressKey(address, longAddress);	×
550	if(!m_engineGLOCs.contains(key))	×
551	{
552	m_engineGLOCs.emplace(key);	×
553	send(GetEngineSession(address, longAddress, GetEngineSession::Mode::Steal));	×
554	}
555	}	×
556
557	void Kernel::sendSetEngineSessionMode(uint8_t session, uint8_t speedSteps)	×
558	{
559	assert(isKernelThread());	×
560	// FIXME: what to do with: serviceMode and soundControlMode?
561	send(SetEngineSessionMode(session, toSpeedMode(speedSteps), false, false));	×
562	}	×
563
564	void Kernel::sendSetEngineSpeedDirection(uint8_t session, uint8_t speed, bool directionForward)	×
565	{
566	assert(isKernelThread());	×
567	send(SetEngineSpeedDirection(session, speed, directionForward));	×
568	}	×
569
570	void Kernel::sendSetEngineFunction(uint8_t session, uint8_t number, bool value)	×
571	{
572	assert(isKernelThread());	×
573	if(value)	×
574	{
575	send(SetEngineFunctionOn(session, number));	×
576	}
577	else
578	{
579	send(SetEngineFunctionOff(session, number));	×
580	}
581	}	×
582
583	void Kernel::restartEngineKeepAliveTimer()	×
584	{
585	m_engineKeepAliveTimer.cancel();	×
586
587	// find first expiring engine:
588	std::chrono::steady_clock::time_point lastUpdate = std::chrono::steady_clock::time_point::max();	×
589	for(const auto& [_, engine] : m_engines)	×
590	{
591	if(engine.session && engine.lastCommand < lastUpdate)	×
592	{
593	lastUpdate = engine.lastCommand;	×
594	m_engineKeepAliveSession = *engine.session;	×
595	}
596	}
597
598	m_engineKeepAliveTimerActive = (lastUpdate < std::chrono::steady_clock::time_point::max());	×
599
600	if(m_engineKeepAliveTimerActive)	×
601	{
602	m_engineKeepAliveTimer.expires_at(lastUpdate + m_config.engineKeepAlive);	×
603	m_engineKeepAliveTimer.async_wait(	×
604	[this](std::error_code ec)	×
605	{
606	if(ec)	×
607	{
608	return;	×
609	}
610
611	send(SessionKeepAlive(m_engineKeepAliveSession));	×
612
613	if(auto it = std::find_if(m_engines.begin(), m_engines.end(),	×
614	[session=m_engineKeepAliveSession](const auto& item)	×
615	{
616	return item.second.session && *item.second.session == session;	×
617	}); it != m_engines.end()) [[likely]]	×
618	{
619	it->second.lastCommand = std::chrono::steady_clock::now();	×
620	}
621
622	restartEngineKeepAliveTimer();	×
623	});
624	}
625	}	×
626
627	}

traintastic / traintastic / 23119302850

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