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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
**
** 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.
**
** 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#include "startgdbserverdialog.h"
#include "ui_startgdbserverdialog.h"
#include "remotelinuxprocesslist.h"
#include "linuxdeviceconfiguration.h"
#include "linuxdeviceconfigurations.h"
#include "remotelinuxusedportsgatherer.h"
#include "portlist.h"
#include <utils/ssh/sshconnection.h>
#include <utils/ssh/sshremoteprocessrunner.h>
#include <utils/qtcassert.h>
#include <QtGui/QMessageBox>
#include <QtGui/QSortFilterProxyModel>
#include <QtGui/QComboBox>
namespace RemoteLinux {
namespace Internal {
class StartGdbServerDialogPrivate
{
public:
StartGdbServerDialogPrivate()
: processList(0)
{}
LinuxDeviceConfiguration::ConstPtr currentDevice() const
{
LinuxDeviceConfigurations *devices = LinuxDeviceConfigurations::instance();
return devices->deviceAt(ui.deviceComboBox->currentIndex());
}
AbstractRemoteLinuxProcessList *processList;
QSortFilterProxyModel proxyModel;
Ui::StartGdbServerDialog ui;
RemoteLinuxUsedPortsGatherer gatherer;
Utils::SshRemoteProcessRunner::Ptr runner;
};
} // namespace Internal
StartGdbServerDialog::StartGdbServerDialog(QWidget *parent) :
QDialog(parent),
d(new Internal::StartGdbServerDialogPrivate)
{
LinuxDeviceConfigurations *devices = LinuxDeviceConfigurations::instance();
d->ui.setupUi(this);
d->ui.deviceComboBox->setModel(devices);
connect(&d->gatherer, SIGNAL(error(QString)), SLOT(portGathererError(QString)));
connect(&d->gatherer, SIGNAL(portListReady()), SLOT(portListReady()));
if (devices->rowCount() == 0) {
d->ui.tableView->setEnabled(false);
} else {
d->ui.tableView->setSelectionBehavior(QAbstractItemView::SelectRows);
d->proxyModel.setDynamicSortFilter(true);
d->proxyModel.setFilterKeyColumn(1);
d->ui.tableView->setModel(&d->proxyModel);
connect(d->ui.processFilterLineEdit, SIGNAL(textChanged(QString)),
&d->proxyModel, SLOT(setFilterRegExp(QString)));
connect(d->ui.tableView->selectionModel(),
SIGNAL(selectionChanged(QItemSelection,QItemSelection)),
SLOT(handleSelectionChanged()));
connect(d->ui.updateListButton, SIGNAL(clicked()),
SLOT(updateProcessList()));
connect(d->ui.attachProcessButton, SIGNAL(clicked()), SLOT(attachToProcess()));
connect(&d->proxyModel, SIGNAL(layoutChanged()),
SLOT(handleProcessListUpdated()));
connect(d->ui.deviceComboBox, SIGNAL(currentIndexChanged(int)),
SLOT(attachToDevice(int)));
handleSelectionChanged();
attachToDevice(0);
}
}
StartGdbServerDialog::~StartGdbServerDialog()
{
delete d->processList;
delete d;
}
void StartGdbServerDialog::attachToDevice(int index)
{
LinuxDeviceConfigurations *devices = LinuxDeviceConfigurations::instance();
delete d->processList;
d->processList = new GenericRemoteLinuxProcessList(devices->deviceAt(index));
d->proxyModel.setSourceModel(d->processList);
connect(d->processList, SIGNAL(error(QString)),
SLOT(handleRemoteError(QString)));
connect(d->processList, SIGNAL(modelReset()),
SLOT(handleProcessListUpdated()));
connect(d->processList, SIGNAL(processKilled()),
SLOT(handleProcessKilled()), Qt::QueuedConnection);
updateProcessList();
}
void StartGdbServerDialog::handleRemoteError(const QString &errorMsg)
{
QMessageBox::critical(this, tr("Remote Error"), errorMsg);
d->ui.updateListButton->setEnabled(true);
handleSelectionChanged();
}
void StartGdbServerDialog::handleProcessListUpdated()
{
d->ui.updateListButton->setEnabled(true);
d->ui.tableView->resizeRowsToContents();
handleSelectionChanged();
}
void StartGdbServerDialog::updateProcessList()
{
d->ui.updateListButton->setEnabled(false);
d->ui.attachProcessButton->setEnabled(false);
d->processList->update();
}
void StartGdbServerDialog::attachToProcess()
{
const QModelIndexList &indexes =
d->ui.tableView->selectionModel()->selectedIndexes();
if (indexes.empty())
return;
d->ui.updateListButton->setEnabled(false);
d->ui.attachProcessButton->setEnabled(false);
LinuxDeviceConfiguration::ConstPtr device = d->currentDevice();
PortList ports = device->freePorts();
const int port = d->gatherer.getNextFreePort(&ports);
const int row = d->proxyModel.mapToSource(indexes.first()).row();
QTC_ASSERT(row >= 0, processAborted(); return);
const int pid = d->processList->pidAt(row);
if (port == -1) {
emit processAborted();
} else {
emit pidSelected(pid);
emit portSelected(pid);
startGdbServerOnPort(port, pid);
}
}
void StartGdbServerDialog::handleProcessKilled()
{
updateProcessList();
}
void StartGdbServerDialog::handleSelectionChanged()
{
d->ui.attachProcessButton->setEnabled(d->ui.tableView->selectionModel()->hasSelection());
}
void StartGdbServerDialog::portGathererError(const QString &text)
{
d->ui.textBrowser->append(tr("Could not retrieve list of free ports:"));
d->ui.textBrowser->append(text);
emit processAborted();
}
void StartGdbServerDialog::portListReady()
{
d->ui.updateListButton->setEnabled(true);
d->ui.attachProcessButton->setEnabled(true);
}
void StartGdbServerDialog::startGdbServer()
{
LinuxDeviceConfiguration::ConstPtr device = d->currentDevice();
d->gatherer.start(Utils::SshConnection::create(device->sshParameters()), device);
}
void StartGdbServerDialog::handleConnectionError()
{
d->ui.textBrowser->append(tr("Connection error: %1")
.arg(d->runner->connection()->errorString()));
emit processAborted();
}
void StartGdbServerDialog::handleProcessStarted()
{
d->ui.textBrowser->append(tr("Starting gdbserver..."));
}
void StartGdbServerDialog::handleProcessOutputAvailable(const QByteArray &ba)
{
d->ui.textBrowser->append(QString::fromUtf8(ba.trimmed()));
}
void StartGdbServerDialog::handleProcessErrorOutput(const QByteArray &ba)
{
d->ui.textBrowser->append(QString::fromUtf8(ba.trimmed()));
// "Attached; pid = 16740"
// "Listening on port 10000"
int pos = ba.indexOf("Listening on port");
if (pos != -1) {
int port = ba.mid(pos + 18).trimmed().toInt();
d->ui.textBrowser->append(tr("Port %1 is now accessible.").arg(port));
emit portOpened(port);
}
}
void StartGdbServerDialog::handleProcessClosed(int status)
{
d->ui.textBrowser->append(tr("Process gdbserver finished. Status: %1").arg(status));
}
void StartGdbServerDialog::startGdbServerOnPort(int port, int pid)
{
LinuxDeviceConfiguration::ConstPtr device = d->currentDevice();
d->runner = Utils::SshRemoteProcessRunner::create(device->sshParameters());
connect(d->runner.data(), SIGNAL(connectionError(Utils::SshError)),
SLOT(handleConnectionError()));
connect(d->runner.data(), SIGNAL(processStarted()),
SLOT(handleProcessStarted()));
connect(d->runner.data(), SIGNAL(processOutputAvailable(QByteArray)),
SLOT(handleProcessOutputAvailable(QByteArray)));
connect(d->runner.data(), SIGNAL(processErrorOutputAvailable(QByteArray)),
SLOT(handleProcessErrorOutput(QByteArray)));
connect(d->runner.data(), SIGNAL(processClosed(int)),
SLOT(handleProcessClosed(int)));
QByteArray cmd = "/usr/bin/gdbserver --attach localhost:"
+ QByteArray::number(port) + " " + QByteArray::number(pid);
d->runner->run(cmd);
}
} // namespace RemoteLinux
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