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#include "DaemonManager.h"
#include <QFile>
#include <QFileInfo>
#include <QDir>
#include <QDebug>
#include <QUrl>
#include <QtConcurrent/QtConcurrent>
#include <QApplication>
#include <QProcess>
DaemonManager * DaemonManager::m_instance = nullptr;
QStringList DaemonManager::m_clArgs;
DaemonManager *DaemonManager::instance(const QStringList *args)
{
if (!m_instance) {
m_instance = new DaemonManager;
// store command line arguments for later use
m_clArgs = *args;
m_clArgs.removeFirst();
}
return m_instance;
}
bool DaemonManager::start(const QString &flags, bool testnet)
{
// prepare command line arguments and pass to monerod
QStringList arguments;
arguments << "--detach";
if(testnet)
arguments << "--testnet";
foreach (const QString &str, m_clArgs) {
qDebug() << QString(" [%1] ").arg(str);
if (!str.isEmpty())
arguments << str;
}
// Custom startup flags for daemon
foreach (const QString &str, flags.split(" ")) {
qDebug() << QString(" [%1] ").arg(str);
if (!str.isEmpty())
arguments << str;
}
qDebug() << "starting monerod " + m_monerod;
qDebug() << "With command line arguments " << m_monerod;
m_daemon = new QProcess();
initialized = true;
// Connect output slots
connect (m_daemon, SIGNAL(readyReadStandardOutput()), this, SLOT(printOutput()));
connect (m_daemon, SIGNAL(readyReadStandardError()), this, SLOT(printError()));
// Start monerod
bool started = m_daemon->startDetached(m_monerod, arguments);
// add state changed listener
connect(m_daemon,SIGNAL(stateChanged(QProcess::ProcessState)),this,SLOT(stateChanged(QProcess::ProcessState)));
if (!started) {
qDebug() << "Daemon start error: " + m_daemon->errorString();
} else {
emit daemonStarted();
}
return started;
}
bool DaemonManager::stop(bool testnet)
{
QString message;
bool stopped = sendCommand("exit",testnet,message);
qDebug() << message;
if(stopped)
emit daemonStopped();
return stopped;
}
void DaemonManager::stateChanged(QProcess::ProcessState state)
{
qDebug() << "STATE CHANGED: " << state;
if (state == QProcess::NotRunning) {
emit daemonStopped();
}
}
void DaemonManager::printOutput()
{
QByteArray byteArray = m_daemon->readAllStandardOutput();
QStringList strLines = QString(byteArray).split("\n");
foreach (QString line, strLines) {
emit daemonConsoleUpdated(line);
qDebug() << "Daemon: " + line;
}
}
void DaemonManager::printError()
{
QByteArray byteArray = m_daemon->readAllStandardError();
QStringList strLines = QString(byteArray).split("\n");
foreach (QString line, strLines) {
emit daemonConsoleUpdated(line);
qDebug() << "Daemon ERROR: " + line;
}
}
bool DaemonManager::running(bool testnet) const
{
QString status;
sendCommand("status",testnet, status);
qDebug() << status;
// `./monerod status` returns BUSY when syncing.
// Treat busy as connected, until fixed upstream.
if (status.contains("Height:") || status.contains("BUSY") ) {
emit daemonStarted();
return true;
}
emit daemonStopped();
return false;
}
bool DaemonManager::sendCommand(const QString &cmd,bool testnet) const
{
QString message;
return sendCommand(cmd, testnet, message);
}
bool DaemonManager::sendCommand(const QString &cmd,bool testnet, QString &message) const
{
QProcess p;
QString external_cmd = m_monerod + " " + cmd;
qDebug() << "sending external cmd: " << external_cmd;
// Add testnet flag if needed
if (testnet)
external_cmd += " --testnet";
external_cmd += "\n";
p.start(external_cmd);
bool started = p.waitForFinished(-1);
message = p.readAllStandardOutput();
emit daemonConsoleUpdated(message);
return started;
}
DaemonManager::DaemonManager(QObject *parent)
: QObject(parent)
{
// Platform depetent path to monerod
#ifdef Q_OS_WIN
m_monerod = QApplication::applicationDirPath() + "/monerod.exe";
#elif defined(Q_OS_UNIX)
m_monerod = QApplication::applicationDirPath() + "/monerod";
#endif
if (m_monerod.length() == 0) {
qCritical() << "no daemon binary defined for current platform";
m_has_daemon = false;
}
}
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