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SSH: Implement remote shell support.

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Change-Id: Ifcddd930bbf027f4828f8ba01544aca5dea1eeed
Reviewed-on: http://codereview.qt.nokia.com/2220
Reviewed-by: Christian Kandeler <christian.kandeler@nokia.com>
This commit is contained in:
Christian Kandeler
2011-07-26 18:13:11 +02:00
parent a3e517415d
commit d59a64c7df
17 changed files with 344 additions and 14 deletions
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121
tests/manual/ssh/shell/shell.cpp Normal file
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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (info@qt.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 info@qt.nokia.com.
**
**************************************************************************/
#include "shell.h"
#include <utils/ssh/sshconnection.h>
#include <utils/ssh/sshremoteprocess.h>
#include <QtCore/QCoreApplication>
#include <QtCore/QFile>
#include <QtCore/QSocketNotifier>
#include <cstdlib>
#include <iostream>
using namespace Utils;
Shell::Shell(const Utils::SshConnectionParameters &parameters, QObject *parent)
: QObject(parent),
m_connection(SshConnection::create(parameters)),
m_stdin(new QFile(this))
{
connect(m_connection.data(), SIGNAL(connected()), SLOT(handleConnected()));
connect(m_connection.data(), SIGNAL(dataAvailable(QString)), SLOT(handleShellMessage(QString)));
connect(m_connection.data(), SIGNAL(error(Utils::SshError)), SLOT(handleConnectionError()));
}
Shell::~Shell()
{
}
void Shell::run()
{
if (!m_stdin->open(stdin, QIODevice::ReadOnly | QIODevice::Unbuffered)) {
std::cerr << "Error: Cannot read from standard input." << std::endl;
qApp->exit(EXIT_FAILURE);
return;
}
m_connection->connectToHost();
}
void Shell::handleConnectionError()
{
std::cerr << "SSH connection error: " << qPrintable(m_connection->errorString()) << std::endl;
qApp->exit(EXIT_FAILURE);
}
void Shell::handleShellMessage(const QString &message)
{
std::cout << qPrintable(message);
}
void Shell::handleConnected()
{
m_shell = m_connection->createRemoteShell();
connect(m_shell.data(), SIGNAL(started()), SLOT(handleShellStarted()));
connect(m_shell.data(), SIGNAL(outputAvailable(QByteArray)),
SLOT(handleRemoteStdout(QByteArray)));
connect(m_shell.data(), SIGNAL(errorOutputAvailable(QByteArray)),
SLOT(handleRemoteStderr(QByteArray)));
connect(m_shell.data(), SIGNAL(closed(int)), SLOT(handleChannelClosed(int)));
m_shell->start();
}
void Shell::handleShellStarted()
{
QSocketNotifier * const notifier = new QSocketNotifier(0, QSocketNotifier::Read, this);
connect(notifier, SIGNAL(activated(int)), SLOT(handleStdin()));
}
void Shell::handleRemoteStdout(const QByteArray &output)
{
std::cout << output.data() << std::flush;
}
void Shell::handleRemoteStderr(const QByteArray &output)
{
std::cerr << output.data() << std::flush;
}
void Shell::handleChannelClosed(int exitStatus)
{
std::cerr << "Shell closed. Exit status was " << exitStatus << ", exit code was "
<< m_shell->exitCode() << "." << std::endl;
qApp->exit(exitStatus == SshRemoteProcess::ExitedNormally && m_shell->exitCode() == 0
? EXIT_SUCCESS : EXIT_FAILURE);
}
void Shell::handleStdin()
{
m_shell->sendInput(m_stdin->readLine());
}