Maemo: Add support for checking available TCP ports on device.

Reviewed-by: kh1

src/plugins/qt4projectmanager/qt-maemo/maemoconfigtestdialog.cpp

@@ -37,6 +37,7 @@
 
 #include "maemodeviceconfigurations.h"
 #include "maemoglobal.h"
+#include "maemousedportsgatherer.h"
 
 #include <coreplugin/ssh/sshremoteprocessrunner.h>
 
@@ -52,6 +53,7 @@ MaemoConfigTestDialog::MaemoConfigTestDialog(const MaemoDeviceConfig &config, QW
     : QDialog(parent)
     , m_ui(new Ui_MaemoConfigTestDialog)
     , m_config(config)
+    , m_portsGatherer(new MaemoUsedPortsGatherer(this))
 {
     setAttribute(Qt::WA_DeleteOnClose);
 
@@ -59,6 +61,10 @@ MaemoConfigTestDialog::MaemoConfigTestDialog(const MaemoDeviceConfig &config, QW
     m_closeButton = m_ui->buttonBox->button(QDialogButtonBox::Close);
 
     connect(m_closeButton, SIGNAL(clicked()), SLOT(stopConfigTest()));
+    connect(m_portsGatherer, SIGNAL(error(QString)),
+        SLOT(handlePortListFailure(QString)));
+    connect(m_portsGatherer, SIGNAL(portListReady()),
+        SLOT(handlePortListReady()));
 
     startConfigTest();
 }
@@ -151,6 +157,37 @@ void MaemoConfigTestDialog::handleMadDeveloperTestResult(int exitStatus)
             + QLatin1String("<br>") + tr("Mad Developer is not installed.<br>"
                   "You will not be able to deploy to this device."));
     }
+    if (m_config.freePorts().hasMore())
+        m_portsGatherer->start(m_testProcessRunner->connection(),
+            m_config.freePorts());
+    else
+        finish();
+}
+
+void MaemoConfigTestDialog::handlePortListFailure(const QString &errMsg)
+{
+    m_ui->testResultEdit->appendPlainText(tr("Error retrieving list of used ports: %1")
+        .arg(errMsg));
+    finish();
+}
+
+void MaemoConfigTestDialog::handlePortListReady()
+{
+    const QList<int> &usedPorts = m_portsGatherer->usedPorts();
+    QString output;
+    if (usedPorts.isEmpty()) {
+        output = tr("All specified ports are available.");
+    } else {
+        output = tr("The following supposedly free ports are being used on the device:");
+        foreach (const int port, usedPorts)
+            output += QLatin1Char(' ') + QString::number(port);
+    }
+    m_ui->testResultEdit->appendPlainText(output);
+    finish();
+}
+
+void MaemoConfigTestDialog::finish()
+{
     if (m_ui->errorLabel->text().isEmpty()) {
         QPalette palette = m_ui->errorLabel->palette();
         palette.setColor(m_ui->errorLabel->foregroundRole(),

src/plugins/qt4projectmanager/qt-maemo/maemoconfigtestdialog.h

@@ -51,6 +51,7 @@ namespace Qt4ProjectManager {
 namespace Internal {
 
 class MaemoDeviceConfig;
+class MaemoUsedPortsGatherer;
 
 /**
  * A dialog that runs a test of a device configuration.
@@ -67,12 +68,15 @@ private slots:
     void processSshOutput(const QByteArray &output);
     void handleConnectionError();
     void handleTestProcessFinished(int exitStatus);
+    void handlePortListReady();
+    void handlePortListFailure(const QString &errMsg);
 
 private:
     void startConfigTest();
     QString parseTestOutput();
     void handleGeneralTestResult(int exitStatus);
     void handleMadDeveloperTestResult(int exitStatus);
+    void finish();
 
     Ui_MaemoConfigTestDialog *m_ui;
     QPushButton *m_closeButton;
@@ -81,6 +85,7 @@ private:
     QSharedPointer<Core::SshRemoteProcessRunner> m_testProcessRunner;
     QString m_deviceTestOutput;
     bool m_qtVersionOk;
+    MaemoUsedPortsGatherer *const m_portsGatherer;
 
     enum DeviceTest { GeneralTest, MadDeveloperTest };
     DeviceTest m_currentTest;

src/plugins/qt4projectmanager/qt-maemo/maemoconfigtestdialog.ui

@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>661</width>
-    <height>324</height>
+    <width>684</width>
+    <height>544</height>
    </rect>
   </property>
   <property name="windowTitle">

src/plugins/qt4projectmanager/qt-maemo/maemodeviceconfigurations.h

@@ -72,6 +72,19 @@ public:
             m_ranges.removeFirst();
         return next;
     }
+    QString toString() const
+    {
+        QString stringRep;
+        foreach (const Range &range, m_ranges) {
+            stringRep += QString::number(range.first);
+            if (range.second != range.first)
+                stringRep += QLatin1Char('-') + QString::number(range.second);
+            stringRep += QLatin1Char(',');
+        }
+        if (!stringRep.isEmpty())
+            stringRep.remove(stringRep.length() - 1, 1); // Trailing comma.
+        return stringRep;
+    }
 
 private:
     QList<Range> m_ranges;

src/plugins/qt4projectmanager/qt-maemo/maemousedportsgatherer.cpp

@@ -0,0 +1,160 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Creator.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include "maemousedportsgatherer.h"
+
+#include "maemoglobal.h"
+
+#include <coreplugin/ssh/sshremoteprocessrunner.h>
+
+using namespace Core;
+
+namespace Qt4ProjectManager {
+namespace Internal {
+
+MaemoUsedPortsGatherer::MaemoUsedPortsGatherer(QObject *parent) :
+    QObject(parent), m_running(false)
+{
+}
+
+MaemoUsedPortsGatherer::~MaemoUsedPortsGatherer() {}
+
+void MaemoUsedPortsGatherer::start(const Core::SshConnection::Ptr &connection,
+    const MaemoPortList &portList)
+{
+    if (m_running)
+        qWarning("Unexpected call of %s in running state", Q_FUNC_INFO);
+    m_remoteStdout.clear();
+    m_remoteStderr.clear();
+    m_procRunner = SshRemoteProcessRunner::create(connection);
+    connect(m_procRunner.data(), SIGNAL(connectionError(Core::SshError)),
+        SLOT(handleConnectionError()));
+    connect(m_procRunner.data(), SIGNAL(processClosed(int)),
+        SLOT(handleProcessClosed(int)));
+    connect(m_procRunner.data(), SIGNAL(processOutputAvailable(QByteArray)),
+        SLOT(handleRemoteStdOut(QByteArray)));
+    connect(m_procRunner.data(), SIGNAL(processErrorOutputAvailable(QByteArray)),
+        SLOT(handleRemoteStdErr(QByteArray)));
+    const QString command = MaemoGlobal::remoteSudo()
+        + QLatin1String(" lsof -nPi4tcp:") + portList.toString()
+        + QLatin1String(" -F n |grep '^n' |sed -r 's/[^:]*:([[:digit:]]+).*/\\1/g' |sort -n |uniq");
+    m_procRunner->run(command.toUtf8());
+    m_running = true;
+}
+
+void MaemoUsedPortsGatherer::stop()
+{
+    if (!m_running)
+        return;
+    m_running = false;
+    disconnect(m_procRunner->connection().data(), 0, this, 0);
+    if (m_procRunner->process())
+        m_procRunner->process()->closeChannel();
+}
+
+QList<int> MaemoUsedPortsGatherer::usedPorts() const
+{
+    QList<int> ports;
+    const QList<QByteArray> &portStrings = m_remoteStdout.split('\n');
+    foreach (const QByteArray &portString, portStrings) {
+        if (portString.isEmpty())
+            continue;
+        bool ok;
+        const int port = portString.toInt(&ok);
+        if (ok) {
+            ports << port;
+        } else {
+            qWarning("%s: Unexpected string '%s' is not a port.",
+                Q_FUNC_INFO, portString.data());
+        }
+    }
+    return ports;
+}
+
+void MaemoUsedPortsGatherer::handleConnectionError()
+{
+    if (!m_running)
+        return;
+    emit error(tr("Connection error: %1").
+        arg(m_procRunner->connection()->errorString()));
+    stop();
+}
+
+void MaemoUsedPortsGatherer::handleProcessClosed(int exitStatus)
+{
+    if (!m_running)
+        return;
+    QString errMsg;
+    switch (exitStatus) {
+    case SshRemoteProcess::FailedToStart:
+        errMsg = tr("Could not start remote process: %1")
+            .arg(m_procRunner->process()->errorString());
+        break;
+    case SshRemoteProcess::KilledBySignal:
+        errMsg = tr("Remote process crashed: %1")
+            .arg(m_procRunner->process()->errorString());
+        break;
+    case SshRemoteProcess::ExitedNormally:
+        if (m_procRunner->process()->exitCode() == 0) {
+            emit portListReady();
+        } else {
+            errMsg = tr("Remote process failed: %1")
+                .arg(m_procRunner->process()->errorString());
+        }
+        break;
+    default:
+        Q_ASSERT_X(false, Q_FUNC_INFO, "Invalid exit status");
+    }
+
+    if (!errMsg.isEmpty()) {
+        if (!m_remoteStderr.isEmpty()) {
+            errMsg += tr("\nRemote error output was: %1")
+                .arg(QString::fromUtf8(m_remoteStderr));
+        }
+        emit error(errMsg);
+    }
+    stop();
+}
+
+void MaemoUsedPortsGatherer::handleRemoteStdOut(const QByteArray &output)
+{
+    m_remoteStdout += output;
+}
+
+void MaemoUsedPortsGatherer::handleRemoteStdErr(const QByteArray &output)
+{
+    m_remoteStderr += output;
+}
+
+} // namespace Internal
+} // namespace Qt4ProjectManager

src/plugins/qt4projectmanager/qt-maemo/maemousedportsgatherer.h

@@ -0,0 +1,83 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Creator.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#ifndef MAEMOUSEDPORTSGATHERER_H
+#define MAEMOUSEDPORTSGATHERER_H
+
+#include "maemodeviceconfigurations.h"
+
+#include <QtCore/QList>
+#include <QtCore/QObject>
+#include <QtCore/QSharedPointer>
+#include <QtCore/QString>
+
+namespace Core {
+class SshConnection;
+class SshRemoteProcessRunner;
+}
+
+namespace Qt4ProjectManager {
+namespace Internal {
+
+class MaemoUsedPortsGatherer : public QObject
+{
+    Q_OBJECT
+public:
+    explicit MaemoUsedPortsGatherer(QObject *parent = 0);
+    ~MaemoUsedPortsGatherer();
+    void start(const QSharedPointer<Core::SshConnection> &connection,
+        const MaemoPortList &portList);
+    void stop();
+    QList<int> usedPorts() const;
+
+signals:
+    void error(const QString &errMsg);
+    void portListReady();
+
+private slots:
+    void handleConnectionError();
+    void handleProcessClosed(int exitStatus);
+    void handleRemoteStdOut(const QByteArray &output);
+    void handleRemoteStdErr(const QByteArray &output);
+
+private:
+    QSharedPointer<Core::SshRemoteProcessRunner> m_procRunner;
+    QByteArray m_remoteStdout;
+    QByteArray m_remoteStderr;
+    bool m_running;
+};
+
+} // namespace Internal
+} // namespace Qt4ProjectManager
+
+#endif // MAEMOUSEDPORTSGATHERER_H

src/plugins/qt4projectmanager/qt-maemo/qt-maemo.pri

@@ -32,7 +32,8 @@ HEADERS += \
     $$PWD/maemotemplatesmanager.h \
     $$PWD/maemomountspecification.h \
     $$PWD/maemoremotemounter.h \
-    $$PWD/maemoprofilesupdatedialog.h
+    $$PWD/maemoprofilesupdatedialog.h \
+    $$PWD/maemousedportsgatherer.h
 
 SOURCES += \
     $$PWD/maemoconfigtestdialog.cpp \
@@ -66,7 +67,8 @@ SOURCES += \
     $$PWD/maemotemplatesmanager.cpp \
     $$PWD/maemomountspecification.cpp \
     $$PWD/maemoremotemounter.cpp \
-    $$PWD/maemoprofilesupdatedialog.cpp
+    $$PWD/maemoprofilesupdatedialog.cpp \
+    $$PWD/maemousedportsgatherer.cpp
 
 FORMS += \
     $$PWD/maemoconfigtestdialog.ui \