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2026-08-13 18:33:10 +02:00

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C++
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/**
* @RDE_HEADER@
* VdControl
* $Id$
* $HeadURL$
* $Author$
* Created by Astrid Müller, SGAS, 2018-02-22
*/
#include "vd_control.h"
#include "ivd_comm.h"
#include "ava_types.h"
#include "AvsCommands/simple_command.h"
#include "AvsCommands/vd_set_script.h"
#include "AvsCommands/keep_alive.h"
#include <LtsUtilsCore/scoped_connection.h>
#include <QTimer>
#include <QtGlobal>
#include <boost/optional.hpp>
#include <chrono>
namespace AudioVideoManagement
{
VdControl::VdControl(IVdComm *comm, std::chrono::milliseconds commandTimeout)
: m_comm(comm)
, m_queue(commandTimeout)
, m_logger(getLogger("VdControl"))
{
Q_ASSERT(comm);
connect(comm, &IVdComm::connected, this, &VdControl::onConnected);
connect(comm, &IVdComm::disconnected, this, &VdControl::onDisconnected);
connect(&m_queue, &AvsCommandQueue::queueEmpty, this, &VdControl::commandQueueEmpty); // signal -> signal
connect(&m_queue, &AvsCommandQueue::timeout, this, &VdControl::onTimeout);
}
void VdControl::switchContext(int exerciseId)
{
queue(new VdCommands::SimpleCommand(QLatin1String("SwitchContext"), m_comm, this, [ = ](IVdComm * comm) { comm->switchContext(exerciseId); }));
}
void VdControl::vdSetScript(const QString &scriptName, AvaStreamType typ, int fileSplitting, const QVector<AvaScriptEntry> &streams, const QString &exportedDirBaseName, const QString &absolutePath)
{
vdSetScript(scriptName, typ, fileSplitting, streams, exportedDirBaseName, absolutePath, new LtsUtils::DummyConnection);
}
void VdControl::vdReleaseScript(const QString &scriptName)
{
queue(new VdCommands::SimpleCommand(QLatin1String("vdReleaseScript"), m_comm, this, [ = ](IVdComm * comm) { comm->vdReleaseScript(scriptName); }));
}
void VdControl::keepAlive()
{
queue(new VdCommands::KeepAlive(m_comm, this));
}
void VdControl::onConnected()
{
m_connected = true;
DEBUG_LOG(m_logger) << "connected";
}
void VdControl::onDisconnected()
{
m_connected = false;
DEBUG_LOG(m_logger) << "disconnected";
m_queue.flush();
}
void VdControl::onTimeout()
{
ICommand *cmd = m_queue.currentCommand();
if (cmd->canTimeout())
{
INFO_LOG(m_logger) << "command '" << cmd->debug() << "' failed";
m_queue.done();
return;
}
ERROR_LOG(m_logger) << "command timed out";
failed(cmd);
}
void VdControl::vdSetScript(const QString &scriptName, AvaStreamType typ, int fileSplitting, const QVector<AvaScriptEntry> &streams,
const QString &exportedDirBaseName, const QString &absolutePath, LtsUtils::IConnection *connection)
{
queue(new AvaCommands::VdSetScript(m_comm, this, scriptName, typ, fileSplitting, streams, exportedDirBaseName, absolutePath), connection);
}
void VdControl::queue(ICommand *cmd, LtsUtils::IConnection *connection)
{
Q_ASSERT(cmd);
std::unique_ptr<ICommand> cmd_(cmd);
std::unique_ptr<LtsUtils::IConnection> connection_(connection);
if (!m_connected)
{
DEBUG_LOG(m_logger) << "not connected -> dropping command";
return;
}
m_queue.queue(std::move(cmd_), std::move(connection_));
}
/**
* Default fallback for all commands that don't require special action
* upon completion such as emitting a signal.
*/
void VdControl::done(ICommand *cmd)
{
Q_ASSERT(cmd == m_queue.currentCommand());
m_queue.done();
}
void VdControl::done(AvaCommands::VdSetScript *cmd)
{
Q_ASSERT(cmd == m_queue.currentCommand());
{
LtsUtils::ScopedConnection scopedConn(m_queue.currentConnection());
emit vdScriptFinished(cmd->getAvDir(), cmd->getStreamType(), cmd->wasSuccessful());
} // extra small scope as done() deletes the instance scopedConn is operating on
m_queue.done();
}
void VdControl::failed(ICommand *cmd)
{
ERROR_LOG(m_logger) << "command '" << cmd->debug() << "' failed";
Q_ASSERT(cmd == m_queue.currentCommand());
m_queue.flush();
m_comm->forceDisconnect();
}
void VdControl::alive(ICommand *cmd)
{
Q_ASSERT(cmd == m_queue.currentCommand());
m_queue.alive();
}
} // namespace AudioVideoManagement