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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "startgdbserverdialog.h"
#include <debugger/debuggermainwindow.h>
#include <debugger/debuggerplugin.h>
#include <debugger/debuggerkitinformation.h>
#include <debugger/debuggerruncontrolfactory.h>
#include <debugger/debuggerstartparameters.h>
#include <coreplugin/icore.h>
#include <projectexplorer/kitchooser.h>
#include <projectexplorer/devicesupport/deviceprocesslist.h>
#include <projectexplorer/devicesupport/deviceprocessesdialog.h>
#include <projectexplorer/devicesupport/deviceusedportsgatherer.h>
#include <ssh/sshremoteprocessrunner.h>
#include <utils/portlist.h>
#include <utils/qtcassert.h>
#include <QMessageBox>
#include <QFileInfo>
using namespace Core;
using namespace ProjectExplorer;
using namespace QSsh;
using namespace Utils;
namespace Debugger {
namespace Internal {
class StartGdbServerDialogPrivate
{
public:
StartGdbServerDialogPrivate() : dialog(0), kit(0) {}
DeviceProcessesDialog *dialog;
bool startServerOnly;
DeviceProcessItem process;
Kit *kit;
IDevice::ConstPtr device;
DeviceUsedPortsGatherer gatherer;
SshRemoteProcessRunner runner;
};
GdbServerStarter::GdbServerStarter(DeviceProcessesDialog *dlg, bool startServerOnly)
: QObject(dlg)
{
d = new StartGdbServerDialogPrivate;
d->dialog = dlg;
d->kit = dlg->kitChooser()->currentKit();
d->process = dlg->currentProcess();
d->device = DeviceKitInformation::device(d->kit);
d->startServerOnly = startServerOnly;
}
GdbServerStarter::~GdbServerStarter()
{
delete d;
}
void GdbServerStarter::handleRemoteError(const QString &errorMsg)
{
QMessageBox::critical(0, tr("Remote Error"), errorMsg);
}
void GdbServerStarter::portGathererError(const QString &text)
{
logMessage(tr("Could not retrieve list of free ports:"));
logMessage(text);
logMessage(tr("Process aborted"));
}
void GdbServerStarter::run()
{
QTC_ASSERT(d->device, return);
connect(&d->gatherer, SIGNAL(error(QString)), SLOT(portGathererError(QString)));
connect(&d->gatherer, SIGNAL(portListReady()), SLOT(portListReady()));
d->gatherer.start(d->device);
}
void GdbServerStarter::portListReady()
{
PortList ports = d->device->freePorts();
const int port = d->gatherer.getNextFreePort(&ports);
if (port == -1) {
QTC_ASSERT(false, /**/);
emit logMessage(tr("Process aborted"));
return;
}
connect(&d->runner, SIGNAL(connectionError()), SLOT(handleConnectionError()));
connect(&d->runner, SIGNAL(processStarted()), SLOT(handleProcessStarted()));
connect(&d->runner, SIGNAL(readyReadStandardOutput()), SLOT(handleProcessOutputAvailable()));
connect(&d->runner, SIGNAL(readyReadStandardError()), SLOT(handleProcessErrorOutput()));
connect(&d->runner, SIGNAL(processClosed(int)), SLOT(handleProcessClosed(int)));
QByteArray gdbServerPath = d->device->debugServerPath().toUtf8();
if (gdbServerPath.isEmpty())
gdbServerPath = "gdbserver";
QByteArray cmd = gdbServerPath + " --attach :"
+ QByteArray::number(port) + ' ' + QByteArray::number(d->process.pid);
logMessage(tr("Running command: %1").arg(QString::fromLatin1(cmd)));
d->runner.run(cmd, d->device->sshParameters());
}
void GdbServerStarter::handleConnectionError()
{
logMessage(tr("Connection error: %1").arg(d->runner.lastConnectionErrorString()));
}
void GdbServerStarter::handleProcessStarted()
{
logMessage(tr("Starting gdbserver..."));
}
void GdbServerStarter::handleProcessOutputAvailable()
{
logMessage(QString::fromUtf8(d->runner.readAllStandardOutput().trimmed()));
}
void GdbServerStarter::handleProcessErrorOutput()
{
const QByteArray ba = d->runner.readAllStandardError();
logMessage(QString::fromUtf8(ba.trimmed()));
// "Attached; pid = 16740"
// "Listening on port 10000"
foreach (const QByteArray &line, ba.split('\n')) {
if (line.startsWith("Listening on port")) {
const int port = line.mid(18).trimmed().toInt();
logMessage(tr("Port %1 is now accessible.").arg(port));
logMessage(tr("Server started on %1:%2")
.arg(d->device->sshParameters().host).arg(port));
if (!d->startServerOnly)
attach(port);
}
}
}
void GdbServerStarter::attach(int port)
{
QString sysroot = SysRootKitInformation::sysRoot(d->kit).toString();
QString binary;
QString localExecutable;
QString candidate = sysroot + d->process.exe;
if (QFileInfo(candidate).exists())
localExecutable = candidate;
if (localExecutable.isEmpty()) {
binary = d->process.cmdLine.section(QLatin1Char(' '), 0, 0);
candidate = sysroot + QLatin1Char('/') + binary;
if (QFileInfo(candidate).exists())
localExecutable = candidate;
}
if (localExecutable.isEmpty()) {
candidate = sysroot + QLatin1String("/usr/bin/") + binary;
if (QFileInfo(candidate).exists())
localExecutable = candidate;
}
if (localExecutable.isEmpty()) {
candidate = sysroot + QLatin1String("/bin/") + binary;
if (QFileInfo(candidate).exists())
localExecutable = candidate;
}
if (localExecutable.isEmpty()) {
QMessageBox::warning(ICore::mainWindow(), tr("Warning"),
tr("Cannot find local executable for remote process \"%1\".")
.arg(d->process.exe));
return;
}
QList<Abi> abis = Abi::abisOfBinary(Utils::FileName::fromString(localExecutable));
if (abis.isEmpty()) {
QMessageBox::warning(ICore::mainWindow(), tr("Warning"),
tr("Cannot find ABI for remote process \"%1\".")
.arg(d->process.exe));
return;
}
DebuggerStartParameters sp;
QTC_ASSERT(fillParameters(&sp, d->kit), return);
sp.masterEngineType = GdbEngineType;
sp.connParams.port = port;
sp.remoteChannel = sp.connParams.host + QLatin1Char(':') + QString::number(sp.connParams.port);
sp.displayName = tr("Remote: \"%1:%2\"").arg(sp.connParams.host).arg(port);
sp.executable = localExecutable;
sp.startMode = AttachToRemoteServer;
sp.closeMode = KillAtClose;
DebuggerRunControlFactory::createAndScheduleRun(sp);
}
void GdbServerStarter::handleProcessClosed(int status)
{
logMessage(tr("Process gdbserver finished. Status: %1").arg(status));
}
void GdbServerStarter::logMessage(const QString &line)
{
d->dialog->logMessage(line);
}
} // namespace Internal
} // namespace Debugger
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