GODT-1667: bridge-gui spawns bridge process. [skip-ci]

Other: renaming of bridge-gui. WIP: locate bridge exe. WIP: bridge process launch. WIP: cleaner closure of bridge. WIP: grpcClient connection retries. WIP: clean exit when bridge process is killed. Fixed issues from MR review. [skip-ci]. WIP: Fixed gRPC case in CMakelists.txt [skip-ci] It caused issues on Debian. WIP: update gRPC/protobuf and tweaked CMakeLists.txt. [skip-ci] WIP: Fixed a bug where splash screen could not be dismissed. [skip-ci]
2022-07-11 11:09:30 +02:00
parent 7a633ee8c8
commit 72708d6e2c
155 changed files with 4734 additions and 4199 deletions
--- a/internal/frontend/bridge-gui/BridgeMonitor.cpp
+++ b/internal/frontend/bridge-gui/BridgeMonitor.cpp
@ -0,0 +1,110 @@
+// 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 "Exception.h"
+
+
+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 = "bridge" + exeSuffix; ///< The bridge executable file name.
+QString const devDir = "cmd/Desktop-Bridge"; ///< The folder typically containg the bridge executable in a developer's environment.
+int const maxExeUpwardSeekingDepth = 5; ///< The maximum number of parent folder that will searched when trying to locate the bridge executable.
+
+
+}
+
+
+//****************************************************************************************************************************************************
+/// \return The path of the bridge executable.
+/// \return A null string if the executable could not be located.
+//****************************************************************************************************************************************************
+QString BridgeMonitor::locateBridgeExe()
+{
+    QString const currentDir = QDir::current().absolutePath();
+    QString const exeDir = QCoreApplication::applicationDirPath();
+    QStringList dirs = {currentDir, exeDir};
+    for (int i = 0; i <= maxExeUpwardSeekingDepth; ++i)
+    {
+        dirs.append(currentDir + QString("../").repeated(i) + devDir);
+        dirs.append(exeDir + QString("../").repeated(i) + devDir);
+    }
+
+    for (QString const &dir: dirs)
+    {
+        QFileInfo const fileInfo = QDir(dir).absoluteFilePath(exeName);
+        if (fileInfo.exists() && fileInfo.isFile() && fileInfo.isExecutable())
+            return fileInfo.absoluteFilePath();
+    }
+
+    return QString();
+}
+
+
+//****************************************************************************************************************************************************
+/// \param[in] exePath The path of the Bridge executable.
+/// \param[in] parent The parent object of the worker.
+//****************************************************************************************************************************************************
+BridgeMonitor::BridgeMonitor(QString const &exePath, QObject *parent)
+    : Worker(parent)
+    , exePath_(exePath)
+{
+    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_);
+        p.waitForStarted();
+
+        while (!p.waitForFinished(100))
+        {
+            // we discard output from bridge, it's logged to file on bridge side.
+            p.readAllStandardError();
+            p.readAllStandardOutput();
+        }
+        emit processExited(p.exitCode());
+        emit finished();
+    }
+    catch (Exception const &e)
+    {
+        emit error(e.qwhat());
+    }
+}