Other: move frontend C++ code ini a subfolder.

internal/frontend/bridge-gui/bridge-gui/BridgeMonitor.cpp

@@ -0,0 +1,112 @@
+// Copyright (c) 2022 Proton AG
+//
+// This file is part of Proton Mail Bridge.
+//
+// Proton Mail Bridge 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 3 of the License, or
+// (at your option) any later version.
+//
+// Proton Mail Bridge 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 Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>.
+
+
+#include "BridgeMonitor.h"
+#include <bridgepp/Exception/Exception.h>
+
+
+using namespace bridgepp;
+
+
+namespace
+{
+
+
+/// \brief The file extension for the bridge executable file.
+#ifdef Q_OS_WIN32
+QString const exeSuffix = ".exe";
+#else
+QString const exeSuffix;
+#endif
+
+QString const exeName = "proton-bridge" + exeSuffix; ///< The bridge executable file name.*
+
+
+}
+
+
+//****************************************************************************************************************************************************
+/// \return The path of the bridge executable.
+/// \return A null string if the executable could not be located.
+//****************************************************************************************************************************************************
+QString BridgeMonitor::locateBridgeExe()
+{
+    QFileInfo const fileInfo(QDir(QCoreApplication::applicationDirPath()).absoluteFilePath(exeName));
+    return  (fileInfo.exists() && fileInfo.isFile() && fileInfo.isExecutable()) ? fileInfo.absoluteFilePath() : QString();
+}
+
+
+//****************************************************************************************************************************************************
+/// \param[in] exePath The path of the Bridge executable.
+/// \param[in] parent The parent object of the worker.
+//****************************************************************************************************************************************************
+BridgeMonitor::BridgeMonitor(QString const &exePath, QStringList const &args, QObject *parent)
+    : Worker(parent)
+    , exePath_(exePath)
+    , args_(args)
+{
+    QFileInfo fileInfo(exePath);
+    if (!fileInfo.exists())
+        throw Exception("Could not locate Bridge executable.");
+    if ((!fileInfo.isFile()) || (!fileInfo.isExecutable()))
+        throw Exception("Invalid bridge executable");
+}
+
+
+//****************************************************************************************************************************************************
+//
+//****************************************************************************************************************************************************
+void BridgeMonitor::run()
+{
+    try
+    {
+        emit started();
+
+        QProcess p;
+        p.start(exePath_, args_);
+        p.waitForStarted();
+
+        status_.running = true;
+        status_.pid = p.processId();
+
+        while (!p.waitForFinished(100))
+        {
+            // we discard output from bridge, it's logged to file on bridge side.
+            p.readAllStandardError();
+            p.readAllStandardOutput();
+        }
+
+        status_.running = false;
+        status_.returnCode =  p.exitCode();
+
+        emit processExited(status_.returnCode );
+        emit finished();
+    }
+    catch (Exception const &e)
+    {
+        emit error(e.qwhat());
+    }
+}
+
+//****************************************************************************************************************************************************
+/// \return status of the monitored process
+//****************************************************************************************************************************************************
+const BridgeMonitor::MonitorStatus& BridgeMonitor::getStatus()
+{
+    return status_;
+}