1
0
mirror of https://github.com/f4exb/sdrangel.git synced 2024-12-23 10:05:46 -05:00
sdrangel/sdrbase/commands/command.cpp

302 lines
9.9 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2018 Edouard Griffiths, F4EXB //
// //
// 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 as version 3 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 V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include <chrono>
#include <QKeySequence>
#include <QProcess>
#include "command.h"
#include "util/simpleserializer.h"
#include "util/timeutil.h"
Command::Command() :
m_currentProcess(nullptr),
m_currentProcessState(QProcess::NotRunning),
m_isInError(false),
m_currentProcessError(QProcess::UnknownError),
m_hasExited(false),
m_currentProcessExitCode(0),
m_currentProcessExitStatus(QProcess::NormalExit),
m_currentProcessPid(0)
{
m_currentProcessStartTimeStampms = 0;
m_currentProcessFinishTimeStampms = 0;
resetToDefaults();
}
Command::Command(const Command& command) :
QObject(),
m_group(command.m_group),
m_description(command.m_description),
m_command(command.m_command),
m_argString(command.m_argString),
m_key(command.m_key),
m_keyModifiers(command.m_keyModifiers),
m_associateKey(command.m_associateKey),
m_release(command.m_release),
m_currentProcess(nullptr),
m_currentProcessState(QProcess::NotRunning),
m_isInError(false),
m_currentProcessError(QProcess::UnknownError),
m_hasExited(false),
m_currentProcessExitCode(0),
m_currentProcessExitStatus(QProcess::NormalExit),
m_currentProcessPid(0)
{
m_currentProcessStartTimeStampms = 0;
m_currentProcessFinishTimeStampms = 0;
}
Command::~Command()
{
if (m_currentProcess)
{
#if QT_VERSION < 0x051000
disconnect(m_currentProcess, SIGNAL(error(QProcess::ProcessError)), this, SLOT(processError(QProcess::ProcessError)));
#else
disconnect(m_currentProcess, SIGNAL(errorOccurred(QProcess::ProcessError)), this, SLOT(processError(QProcess::ProcessError)));
#endif
disconnect(m_currentProcess, SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(processFinished(int, QProcess::ExitStatus)));
disconnect(m_currentProcess, SIGNAL(stateChanged(QProcess::ProcessState)), this, SLOT(processStateChanged(QProcess::ProcessState)));
m_currentProcess->deleteLater();
}
}
void Command::resetToDefaults()
{
m_group = "default";
m_description = "no name";
m_command = "";
m_argString = "";
m_key = static_cast<Qt::Key>(0);
m_keyModifiers = Qt::NoModifier;
m_associateKey = false;
m_release = false;
}
QByteArray Command::serialize() const
{
SimpleSerializer s(1);
s.writeString(1, m_group);
s.writeString(2, m_description);
s.writeString(3, m_command);
s.writeString(4, m_argString);
s.writeS32(5, (int) m_key);
s.writeS32(6, (int) m_keyModifiers);
s.writeBool(7, m_associateKey);
s.writeBool(8, m_release);
return s.final();
}
bool Command::deserialize(const QByteArray& data)
{
SimpleDeserializer d(data);
if (!d.isValid())
{
resetToDefaults();
return false;
}
if (d.getVersion() == 1)
{
int tmpInt;
d.readString(1, &m_group, "default");
d.readString(2, &m_description, "no name");
d.readString(3, &m_command, "");
d.readString(4, &m_argString, "");
d.readS32(5, &tmpInt, 0);
m_key = static_cast<Qt::Key>(tmpInt);
d.readS32(6, &tmpInt, 0);
m_keyModifiers = static_cast<Qt::KeyboardModifiers>(tmpInt);
d.readBool(7, &m_associateKey, false);
d.readBool(8, &m_release, false);
return true;
}
else
{
resetToDefaults();
return false;
}
}
QString Command::getKeyLabel() const
{
if (m_key == 0)
{
return "";
}
else if (m_keyModifiers != Qt::NoModifier)
{
QString altGrStr = m_keyModifiers & Qt::GroupSwitchModifier ? "Gr " : "";
int maskedModifiers = (m_keyModifiers & 0x3FFFFFFF) + ((m_keyModifiers & 0x40000000)>>3);
return altGrStr + QKeySequence(maskedModifiers, m_key).toString();
}
else
{
return QKeySequence(m_key).toString();
}
}
void Command::run(const QString& apiAddress, int apiPort, int deviceSetIndex)
{
if (m_currentProcess)
{
qWarning("Command::run: process already running");
return;
}
QString args = m_argString;
if (m_argString.contains("%1"))
{
args = args.arg(apiAddress);
}
if (m_argString.contains("%2"))
{
args.replace("%2", "%1");
args = args.arg(apiPort);
}
if (m_argString.contains("%3"))
{
args.replace("%3", "%1");
args = args.arg(deviceSetIndex);
}
m_currentProcessCommandLine = QString("%1 %2").arg(m_command).arg(args);
qDebug("Command::run: %s", qPrintable(m_currentProcessCommandLine));
m_currentProcess = new QProcess(this);
m_isInError = false;
m_hasExited = false;
#if QT_VERSION < 0x051000
connect(m_currentProcess, SIGNAL(error(QProcess::ProcessError)), this, SLOT(processError(QProcess::ProcessError)));
#else
connect(m_currentProcess, SIGNAL(errorOccurred(QProcess::ProcessError)), this, SLOT(processError(QProcess::ProcessError)));
#endif
connect(m_currentProcess, SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(processFinished(int, QProcess::ExitStatus)));
connect(m_currentProcess, SIGNAL(stateChanged(QProcess::ProcessState)), this, SLOT(processStateChanged(QProcess::ProcessState)));
m_currentProcess->setProcessChannelMode(QProcess::MergedChannels);
m_currentProcessStartTimeStampms = TimeUtil::nowms();
m_currentProcess->start(m_currentProcessCommandLine);
}
void Command::kill()
{
if (m_currentProcess)
{
qDebug("Command::kill: %lld", m_currentProcessPid);
m_currentProcess->kill();
}
}
QProcess::ProcessState Command::getLastProcessState() const
{
return m_currentProcessState;
}
bool Command::getLastProcessError(QProcess::ProcessError& error) const
{
if (m_isInError) {
error = m_currentProcessError;
}
return m_isInError;
}
bool Command::getLastProcessExit(int& exitCode, QProcess::ExitStatus& exitStatus) const
{
if (m_hasExited)
{
exitCode = m_currentProcessExitCode;
exitStatus = m_currentProcessExitStatus;
}
return m_hasExited;
}
const QString& Command::getLastProcessLog() const
{
return m_log;
}
void Command::processStateChanged(QProcess::ProcessState newState)
{
//qDebug("Command::processStateChanged: %d", newState);
if (newState == QProcess::Running) {
m_currentProcessPid = m_currentProcess->processId();
}
m_currentProcessState = newState;
}
void Command::processError(QProcess::ProcessError error)
{
//qDebug("Command::processError: %d state: %d", error, m_currentProcessState);
m_currentProcessFinishTimeStampms = TimeUtil::nowms();
m_currentProcessError = error;
m_isInError = true;
if (m_currentProcessState == QProcess::NotRunning)
{
m_log = m_currentProcess->readAllStandardOutput();
#if QT_VERSION < 0x051000
disconnect(m_currentProcess, SIGNAL(error(QProcess::ProcessError)), this, SLOT(processError(QProcess::ProcessError)));
#else
disconnect(m_currentProcess, SIGNAL(errorOccurred(QProcess::ProcessError)), this, SLOT(processError(QProcess::ProcessError)));
#endif
disconnect(m_currentProcess, SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(processFinished(int, QProcess::ExitStatus)));
disconnect(m_currentProcess, SIGNAL(stateChanged(QProcess::ProcessState)), this, SLOT(processStateChanged(QProcess::ProcessState)));
m_currentProcess->deleteLater(); // make sure other threads can still access it until all events have been processed
m_currentProcess = nullptr; // for this thread it can assume it was deleted
}
}
void Command::processFinished(int exitCode, QProcess::ExitStatus exitStatus)
{
//qDebug("Command::processFinished: (%d) %d", exitCode, exitStatus);
m_currentProcessFinishTimeStampms = TimeUtil::nowms();
m_currentProcessExitCode = exitCode;
m_currentProcessExitStatus = exitStatus;
m_hasExited = true;
m_log = m_currentProcess->readAllStandardOutput();
#if QT_VERSION < 0x051000
disconnect(m_currentProcess, SIGNAL(error(QProcess::ProcessError)), this, SLOT(processError(QProcess::ProcessError)));
#else
disconnect(m_currentProcess, SIGNAL(errorOccurred(QProcess::ProcessError)), this, SLOT(processError(QProcess::ProcessError)));
#endif
disconnect(m_currentProcess, SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(processFinished(int, QProcess::ExitStatus)));
disconnect(m_currentProcess, SIGNAL(stateChanged(QProcess::ProcessState)), this, SLOT(processStateChanged(QProcess::ProcessState)));
m_currentProcess->deleteLater(); // make sure other threads can still access it until all events have been processed
m_currentProcess = nullptr; // for this thread it can assume it was deleted
}