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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "valgrindrunner.h"
#include "valgrindtr.h"
#include "xmlprotocol/threadedparser.h"
#include <projectexplorer/runcontrol.h>
#include <utils/hostosinfo.h>
#include <utils/qtcassert.h>
#include <utils/qtcprocess.h>
#include <QEventLoop>
#include <QTcpServer>
#include <QTcpSocket>
using namespace ProjectExplorer;
using namespace Utils;
namespace Valgrind {
class ValgrindRunner::Private : public QObject
{
public:
Private(ValgrindRunner *owner) : q(owner) {
connect(&m_process, &Process::started, this, [this] {
emit q->valgrindStarted(m_process.processId());
});
connect(&m_process, &Process::done, this, [this] {
if (m_process.result() != ProcessResult::FinishedWithSuccess)
emit q->processErrorReceived(m_process.errorString(), m_process.error());
emit q->finished();
});
connect(&m_process, &Process::readyReadStandardOutput, this, [this] {
emit q->appendMessage(m_process.readAllStandardOutput(), StdOutFormat);
});
connect(&m_process, &Process::readyReadStandardError, this, [this] {
emit q->appendMessage(m_process.readAllStandardError(), StdErrFormat);
});
connect(&m_xmlServer, &QTcpServer::newConnection, this, &Private::xmlSocketConnected);
connect(&m_logServer, &QTcpServer::newConnection, this, &Private::logSocketConnected);
}
void xmlSocketConnected();
void logSocketConnected();
bool startServers();
bool run();
ValgrindRunner *q;
Runnable m_debuggee;
CommandLine m_command;
Process m_process;
QHostAddress m_localServerAddress;
QTcpServer m_xmlServer;
XmlProtocol::ThreadedParser m_parser;
QTcpServer m_logServer;
};
void ValgrindRunner::Private::xmlSocketConnected()
{
QTcpSocket *socket = m_xmlServer.nextPendingConnection();
QTC_ASSERT(socket, return);
m_xmlServer.close();
m_parser.parse(socket);
}
void ValgrindRunner::Private::logSocketConnected()
{
QTcpSocket *logSocket = m_logServer.nextPendingConnection();
QTC_ASSERT(logSocket, return);
connect(logSocket, &QIODevice::readyRead, this, [this, logSocket] {
emit q->logMessageReceived(logSocket->readAll());
});
m_logServer.close();
}
bool ValgrindRunner::Private::startServers()
{
const bool xmlOK = m_xmlServer.listen(m_localServerAddress);
const QString ip = m_localServerAddress.toString();
if (!xmlOK) {
emit q->processErrorReceived(Tr::tr("XmlServer on %1:").arg(ip) + ' '
+ m_xmlServer.errorString(), QProcess::FailedToStart );
return false;
}
m_xmlServer.setMaxPendingConnections(1);
const bool logOK = m_logServer.listen(m_localServerAddress);
if (!logOK) {
emit q->processErrorReceived(Tr::tr("LogServer on %1:").arg(ip) + ' '
+ m_logServer.errorString(), QProcess::FailedToStart );
return false;
}
m_logServer.setMaxPendingConnections(1);
return true;
}
bool ValgrindRunner::Private::run()
{
CommandLine cmd;
cmd.setExecutable(m_command.executable());
if (!m_localServerAddress.isNull()) {
if (!startServers())
return false;
cmd.addArg("--child-silent-after-fork=yes");
// Workaround for valgrind bug when running vgdb with xml output
// https://bugs.kde.org/show_bug.cgi?id=343902
bool enableXml = true;
auto handleSocketParameter = [&enableXml, &cmd](const QString &prefix, const QTcpServer &tcpServer)
{
QHostAddress serverAddress = tcpServer.serverAddress();
if (serverAddress.protocol() != QAbstractSocket::IPv4Protocol) {
// Report will end up in the Application Output pane, i.e. not have
// clickable items, but that's better than nothing.
qWarning("Need IPv4 for valgrind");
enableXml = false;
} else {
cmd.addArg(QString("%1=%2:%3").arg(prefix).arg(serverAddress.toString())
.arg(tcpServer.serverPort()));
}
};
handleSocketParameter("--xml-socket", m_xmlServer);
handleSocketParameter("--log-socket", m_logServer);
if (enableXml)
cmd.addArg("--xml=yes");
}
cmd.addArgs(m_command.arguments(), CommandLine::Raw);
// consider appending our options last so they override any interfering user-supplied options
// -q as suggested by valgrind manual
if (cmd.executable().osType() == OsTypeMac) {
// May be slower to start but without it we get no filenames for symbols.
cmd.addArg("--dsymutil=yes");
}
cmd.addCommandLineAsArgs(m_debuggee.command);
emit q->valgrindExecuted(cmd.toUserOutput());
m_process.setCommand(cmd);
m_process.setWorkingDirectory(m_debuggee.workingDirectory);
m_process.setEnvironment(m_debuggee.environment);
m_process.start();
return true;
}
ValgrindRunner::ValgrindRunner(QObject *parent)
: QObject(parent), d(new Private(this))
{
}
ValgrindRunner::~ValgrindRunner()
{
if (d->m_process.isRunning()) {
// make sure we don't delete the thread while it's still running
waitForFinished();
}
if (d->m_parser.isRunning()) {
// make sure we don't delete the thread while it's still running
waitForFinished();
}
delete d;
d = nullptr;
}
void ValgrindRunner::setValgrindCommand(const CommandLine &command)
{
d->m_command = command;
}
void ValgrindRunner::setDebuggee(const Runnable &debuggee)
{
d->m_debuggee = debuggee;
}
void ValgrindRunner::setProcessChannelMode(QProcess::ProcessChannelMode mode)
{
d->m_process.setProcessChannelMode(mode);
}
void ValgrindRunner::setLocalServerAddress(const QHostAddress &localServerAddress)
{
d->m_localServerAddress = localServerAddress;
}
void ValgrindRunner::setUseTerminal(bool on)
{
d->m_process.setTerminalMode(on ? TerminalMode::On : TerminalMode::Off);
}
void ValgrindRunner::waitForFinished() const
{
if (d->m_process.state() == QProcess::NotRunning)
return;
QEventLoop loop;
connect(this, &ValgrindRunner::finished, &loop, &QEventLoop::quit);
loop.exec();
}
QString ValgrindRunner::errorString() const
{
return d->m_process.errorString();
}
bool ValgrindRunner::start()
{
return d->run();
}
void ValgrindRunner::stop()
{
d->m_process.stop();
}
XmlProtocol::ThreadedParser *ValgrindRunner::parser() const
{
return &d->m_parser;
}
} // namespace Valgrind
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