Android: Fix debugging on Android 8+

The new way is much reliable and now we can debug all the libs from very
first start, including static constructors, JNI_OnLoad, etc.

The downside is that the startup is a little bit slower then before.
On a Ryzen 1700X is 2 to 5 seconds slower.

Task-number: QTCREATORBUG-19081
Change-Id: Iacedf7b8aa84de5026f9c81eeca35dd377cf4640
Reviewed-by: BogDan Vatra <bogdan@kdab.com>
Reviewed-by: Vikas Pachdha <vikas.pachdha@qt.io>
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
Reviewed-by: hjk <hjk@qt.io>

src/plugins/android/androidrunnerworker.h

@@ -0,0 +1,134 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 BogDan Vatra <bog_dan_ro@yahoo.com>
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+
+#pragma once
+
+#include <qmldebug/qmldebugcommandlinearguments.h>
+
+#include <QFuture>
+#include <QTcpSocket>
+
+#include "androidrunnable.h"
+
+namespace ProjectExplorer {
+class RunControl;
+}
+
+namespace Android {
+namespace Internal {
+
+const int MIN_SOCKET_HANDSHAKE_PORT = 20001;
+
+static void deleter(QProcess *p)
+{
+    p->terminate();
+    if (!p->waitForFinished(1000)) {
+        p->kill();
+        p->waitForFinished();
+    }
+    // Might get deleted from its own signal handler.
+    p->deleteLater();
+}
+
+class AndroidRunnerWorkerBase : public QObject
+{
+    Q_OBJECT
+public:
+    AndroidRunnerWorkerBase(ProjectExplorer::RunControl *runControl, const AndroidRunnable &runnable);
+    ~AndroidRunnerWorkerBase() override;
+    bool adbShellAmNeedsQuotes();
+    bool runAdb(const QStringList &args, int timeoutS = 10);
+    void adbKill(qint64 pid);
+    QStringList selector() const;
+    void forceStop();
+    void logcatReadStandardError();
+    void logcatReadStandardOutput();
+    void logcatProcess(const QByteArray &text, QByteArray &buffer, bool onlyError);
+    void setAndroidRunnable(const AndroidRunnable &runnable);
+
+    virtual void asyncStart();
+    virtual void asyncStop();
+    virtual void handleRemoteDebuggerRunning();
+    virtual void handleJdbWaiting();
+    virtual void handleJdbSettled();
+
+signals:
+    void remoteProcessStarted(Utils::Port gdbServerPort, const QUrl &qmlServer, int pid);
+    void remoteProcessFinished(const QString &errString = QString());
+
+    void remoteOutput(const QString &output);
+    void remoteErrorOutput(const QString &output);
+
+protected:
+    enum class JDBState {
+        Idle,
+        Waiting,
+        Settled
+    };
+    virtual void onProcessIdChanged(qint64 pid);
+
+    // Create the processes and timer in the worker thread, for correct thread affinity
+    AndroidRunnable m_androidRunnable;
+    QString m_adb;
+    qint64 m_processPID = -1;
+    std::unique_ptr<QProcess, decltype(&deleter)> m_adbLogcatProcess;
+    std::unique_ptr<QProcess, decltype(&deleter)> m_psIsAlive;
+    QByteArray m_stdoutBuffer;
+    QByteArray m_stderrBuffer;
+    QRegExp m_logCatRegExp;
+    QFuture<qint64> m_pidFinder;
+    bool m_useCppDebugger = false;
+    QmlDebug::QmlDebugServicesPreset m_qmlDebugServices;
+    Utils::Port m_localGdbServerPort; // Local end of forwarded debug socket.
+    QUrl m_qmlServer;
+    QByteArray m_lastRunAdbRawOutput;
+    QString m_lastRunAdbError;
+    JDBState m_jdbState = JDBState::Idle;
+    Utils::Port m_localJdbServerPort;
+    std::unique_ptr<QProcess, decltype(&deleter)> m_gdbServerProcess;
+    std::unique_ptr<QProcess, decltype(&deleter)> m_jdbProcess;
+};
+
+
+class AndroidRunnerWorker : public AndroidRunnerWorkerBase
+{
+    Q_OBJECT
+public:
+    AndroidRunnerWorker(ProjectExplorer::RunControl *runControl, const AndroidRunnable &runnable);
+    void asyncStart() override;
+};
+
+
+class AndroidRunnerWorkerPreNougat : public AndroidRunnerWorkerBase
+{
+    Q_OBJECT
+public:
+    AndroidRunnerWorkerPreNougat(ProjectExplorer::RunControl *runControl, const AndroidRunnable &runnable);
+    void asyncStart() override;
+};
+
+} // namespace Internal
+} // namespace Android