| /**************************************************************************** |
| ** |
| ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). |
| ** All rights reserved. |
| ** Contact: Nokia Corporation (qt-info@nokia.com) |
| ** |
| ** This file is part of the tools applications of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** GNU Lesser General Public License Usage |
| ** 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. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU General |
| ** Public License version 3.0 as published by the Free Software Foundation |
| ** and appearing in the file LICENSE.GPL included in the packaging of this |
| ** file. Please review the following information to ensure the GNU General |
| ** Public License version 3.0 requirements will be met: |
| ** http://www.gnu.org/copyleft/gpl.html. |
| ** |
| ** Other Usage |
| ** Alternatively, this file may be used in accordance with the terms and |
| ** conditions contained in a signed written agreement between you and Nokia. |
| ** |
| ** |
| ** |
| ** |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include "bluetoothlistener.h" |
| #include "trkdevice.h" |
| |
| #include <QtCore/QDebug> |
| |
| #ifdef Q_OS_UNIX |
| # include <unistd.h> |
| # include <signal.h> |
| #else |
| # include <windows.h> |
| #endif |
| |
| // Process id helpers. |
| #ifdef Q_OS_WIN |
| inline DWORD processId(const QProcess &p) |
| { |
| if (const Q_PID processInfoStruct = p.pid()) |
| return processInfoStruct->dwProcessId; |
| return 0; |
| } |
| #else |
| inline Q_PID processId(const QProcess &p) |
| { |
| return p.pid(); |
| } |
| #endif |
| |
| |
| enum { debug = 0 }; |
| |
| namespace trk { |
| |
| struct BluetoothListenerPrivate { |
| BluetoothListenerPrivate(); |
| QString device; |
| QProcess process; |
| #ifdef Q_OS_WIN |
| DWORD pid; |
| #else |
| Q_PID pid; |
| #endif |
| bool printConsoleMessages; |
| BluetoothListener::Mode mode; |
| }; |
| |
| BluetoothListenerPrivate::BluetoothListenerPrivate() : |
| pid(0), |
| printConsoleMessages(false), |
| mode(BluetoothListener::Listen) |
| { |
| } |
| |
| BluetoothListener::BluetoothListener(QObject *parent) : |
| QObject(parent), |
| d(new BluetoothListenerPrivate) |
| { |
| d->process.setProcessChannelMode(QProcess::MergedChannels); |
| |
| connect(&d->process, SIGNAL(readyReadStandardError()), |
| this, SLOT(slotStdError())); |
| connect(&d->process, SIGNAL(readyReadStandardOutput()), |
| this, SLOT(slotStdOutput())); |
| connect(&d->process, SIGNAL(finished(int, QProcess::ExitStatus)), |
| this, SLOT(slotProcessFinished(int,QProcess::ExitStatus))); |
| connect(&d->process, SIGNAL(error(QProcess::ProcessError)), |
| this, SLOT(slotProcessError(QProcess::ProcessError))); |
| } |
| |
| BluetoothListener::~BluetoothListener() |
| { |
| const int trc = terminateProcess(); |
| if (debug) |
| qDebug() << "~BluetoothListener: terminated" << trc; |
| delete d; |
| } |
| |
| BluetoothListener::Mode BluetoothListener::mode() const |
| { |
| return d->mode; |
| } |
| |
| void BluetoothListener::setMode(Mode m) |
| { |
| d->mode = m; |
| } |
| |
| bool BluetoothListener::printConsoleMessages() const |
| { |
| return d->printConsoleMessages; |
| } |
| |
| void BluetoothListener::setPrintConsoleMessages(bool p) |
| { |
| d->printConsoleMessages = p; |
| } |
| |
| int BluetoothListener::terminateProcess() |
| { |
| enum { TimeOutMS = 200 }; |
| if (debug) |
| qDebug() << "terminateProcess" << d->process.pid() << d->process.state(); |
| if (d->process.state() == QProcess::NotRunning) |
| return -1; |
| emitMessage(tr("%1: Stopping listener %2...").arg(d->device).arg(processId(d->process))); |
| // When listening, the process should terminate by itself after closing the connection |
| if (mode() == Listen && d->process.waitForFinished(TimeOutMS)) |
| return 0; |
| #ifdef Q_OS_UNIX |
| kill(d->process.pid(), SIGHUP); // Listens for SIGHUP |
| if (d->process.waitForFinished(TimeOutMS)) |
| return 1; |
| #endif |
| d->process.terminate(); |
| if (d->process.waitForFinished(TimeOutMS)) |
| return 2; |
| d->process.kill(); |
| return 3; |
| } |
| |
| bool BluetoothListener::start(const QString &device, QString *errorMessage) |
| { |
| if (d->process.state() != QProcess::NotRunning) { |
| *errorMessage = QLatin1String("Internal error: Still running."); |
| return false; |
| } |
| d->device = device; |
| const QString binary = QLatin1String("rfcomm"); |
| QStringList arguments; |
| arguments << QLatin1String("-r") |
| << (d->mode == Listen ? QLatin1String("listen") : QLatin1String("watch")) |
| << device << QString(QLatin1Char('1')); |
| if (debug) |
| qDebug() << binary << arguments; |
| emitMessage(tr("%1: Starting Bluetooth listener %2...").arg(device, binary)); |
| d->pid = 0; |
| d->process.start(binary, arguments); |
| if (!d->process.waitForStarted()) { |
| *errorMessage = tr("Unable to run '%1': %2").arg(binary, d->process.errorString()); |
| return false; |
| } |
| d->pid = processId(d->process); // Forgets it after crash/termination |
| emitMessage(tr("%1: Bluetooth listener running (%2).").arg(device).arg(processId(d->process))); |
| return true; |
| } |
| |
| void BluetoothListener::slotStdOutput() |
| { |
| emitMessage(QString::fromLocal8Bit(d->process.readAllStandardOutput())); |
| } |
| |
| void BluetoothListener::emitMessage(const QString &m) |
| { |
| if (d->printConsoleMessages || debug) |
| qDebug("%s\n", qPrintable(m)); |
| emit message(m); |
| } |
| |
| void BluetoothListener::slotStdError() |
| { |
| emitMessage(QString::fromLocal8Bit(d->process.readAllStandardError())); |
| } |
| |
| void BluetoothListener::slotProcessFinished(int ex, QProcess::ExitStatus state) |
| { |
| switch (state) { |
| case QProcess::NormalExit: |
| emitMessage(tr("%1: Process %2 terminated with exit code %3.") |
| .arg(d->device).arg(d->pid).arg(ex)); |
| break; |
| case QProcess::CrashExit: |
| emitMessage(tr("%1: Process %2 crashed.").arg(d->device).arg(d->pid)); |
| break; |
| } |
| emit terminated(); |
| } |
| |
| void BluetoothListener::slotProcessError(QProcess::ProcessError error) |
| { |
| emitMessage(tr("%1: Process error %2: %3") |
| .arg(d->device).arg(error).arg(d->process.errorString())); |
| } |
| |
| } // namespace trk |