WalletManager: basic functionality

src/daemon/DaemonManager.cpp

@@ -0,0 +1,87 @@
+#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;
+
+DaemonManager *DaemonManager::instance()
+{
+    if (!m_instance) {
+        m_instance = new DaemonManager;
+    }
+
+    return m_instance;
+}
+
+bool DaemonManager::start()
+{
+    QString        program = QApplication::applicationDirPath() + "/monerod";
+    qDebug() << "starting monerod " + program;
+    QStringList arguments;
+
+    m_daemon = new QProcess();
+
+    connect (m_daemon, SIGNAL(readyReadStandardOutput()), this, SLOT(printOutput()));
+    connect (m_daemon, SIGNAL(readyReadStandardError()), this, SLOT(printError()));
+
+
+    m_daemon->start(program);
+    bool started =  m_daemon->waitForStarted();
+
+    if(!started){
+        qDebug() << "Daemon start error: " + m_daemon->errorString();
+    }
+
+    return started;
+}
+
+bool DaemonManager::stop()
+{
+    return true;
+}
+
+void DaemonManager::printOutput()
+{
+    QByteArray byteArray = m_daemon->readAllStandardOutput();
+    QStringList strLines = QString(byteArray).split("\n");
+
+    foreach (QString line, strLines){
+       // dConsole.append(line+"\n");
+        qDebug() << "Daemon: " + line;
+    }
+}
+
+void DaemonManager::printError()
+{
+    QByteArray byteArray = m_daemon->readAllStandardError();
+    QStringList strLines = QString(byteArray).split("\n");
+
+    foreach (QString line, strLines){
+       // dConsole.append(line+"\n");
+        qDebug() << "Daemon ERROR: " + line;
+    }
+}
+
+bool DaemonManager::running() const
+{
+    return m_daemon && m_daemon->state() > QProcess::NotRunning;
+}
+
+QString DaemonManager::console() const
+{
+    return dConsole;
+}
+
+
+DaemonManager::DaemonManager(QObject *parent)
+    : QObject(parent)
+{
+
+}
+

src/daemon/DaemonManager.h

@@ -0,0 +1,41 @@
+#ifndef DAEMONMANAGER_H
+#define DAEMONMANAGER_H
+
+#include <QObject>
+#include <QUrl>
+#include <QProcess>
+
+class DaemonManager : public QObject
+{
+    Q_OBJECT
+
+public:
+
+    static DaemonManager * instance();
+
+    Q_INVOKABLE bool start();
+    Q_INVOKABLE bool stop();
+    Q_INVOKABLE QString console() const;
+
+    // return true if daemon process is started
+    Q_INVOKABLE bool running() const;
+
+signals:
+
+    void daemonStarted(const QProcess &d);
+    void daemonStopped();
+
+public slots:
+    void printOutput();
+    void printError();
+
+private:
+
+    explicit DaemonManager(QObject *parent = 0);
+    static DaemonManager * m_instance;
+    QProcess *m_daemon;
+    QString dConsole;
+
+};
+
+#endif // DAEMONMANAGER_H