432cfb44c0
If the Xwayland process has crashed due to some bug, the user should still be able to start applications in Xwayland mode. There is no reason to restart the whole session just to be able to launch some application that doesn't have native support for Wayland.
115 lines
3.9 KiB
C++
115 lines
3.9 KiB
C++
/*
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SPDX-FileCopyrightText: 2020 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "kwin_wayland_test.h"
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#include "main.h"
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#include "platform.h"
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#include "screens.h"
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#include "wayland_server.h"
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#include "workspace.h"
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#include "x11client.h"
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#include "xwl/xwayland.h"
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#include <xcb/xcb_icccm.h>
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namespace KWin
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{
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struct XcbConnectionDeleter
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{
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static inline void cleanup(xcb_connection_t *pointer)
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{
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xcb_disconnect(pointer);
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}
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};
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static const QString s_socketName = QStringLiteral("wayland_test_kwin_xwayland_server_restart-0");
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class XwaylandServerRestartTest : public QObject
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{
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Q_OBJECT
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private Q_SLOTS:
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void initTestCase();
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void testRestart();
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};
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void XwaylandServerRestartTest::initTestCase()
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{
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QSignalSpy applicationStartedSpy(kwinApp(), &Application::started);
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QVERIFY(applicationStartedSpy.isValid());
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kwinApp()->platform()->setInitialWindowSize(QSize(1280, 1024));
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QVERIFY(waylandServer()->init(s_socketName.toLocal8Bit()));
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QMetaObject::invokeMethod(kwinApp()->platform(), "setVirtualOutputs", Qt::DirectConnection, Q_ARG(int, 2));
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KSharedConfig::Ptr config = KSharedConfig::openConfig(QString(), KConfig::SimpleConfig);
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KConfigGroup xwaylandGroup = config->group("Xwayland");
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xwaylandGroup.writeEntry(QStringLiteral("XwaylandCrashPolicy"), QStringLiteral("Restart"));
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xwaylandGroup.sync();
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kwinApp()->setConfig(config);
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kwinApp()->start();
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QVERIFY(applicationStartedSpy.wait());
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QCOMPARE(screens()->count(), 2);
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QCOMPARE(screens()->geometry(0), QRect(0, 0, 1280, 1024));
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QCOMPARE(screens()->geometry(1), QRect(1280, 0, 1280, 1024));
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waylandServer()->initWorkspace();
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}
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static void kwin_safe_kill(QProcess *process)
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{
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// The SIGKILL signal must be sent when the event loop is spinning.
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QTimer::singleShot(1, process, &QProcess::kill);
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}
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void XwaylandServerRestartTest::testRestart()
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{
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// This test verifies that the Xwayland server will be restarted after a crash.
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Xwl::Xwayland *xwayland = static_cast<Xwl::Xwayland *>(XwaylandInterface::self());
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// Pretend that the Xwayland process has crashed by sending a SIGKILL to it.
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QSignalSpy startedSpy(xwayland, &Xwl::Xwayland::started);
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QVERIFY(startedSpy.isValid());
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kwin_safe_kill(xwayland->process());
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QVERIFY(startedSpy.wait());
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QCOMPARE(startedSpy.count(), 1);
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// Check that the compositor still accepts new X11 clients.
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QScopedPointer<xcb_connection_t, XcbConnectionDeleter> c(xcb_connect(nullptr, nullptr));
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QVERIFY(!xcb_connection_has_error(c.data()));
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const QRect rect(0, 0, 100, 200);
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xcb_window_t window = xcb_generate_id(c.data());
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xcb_create_window(c.data(), XCB_COPY_FROM_PARENT, window, rootWindow(),
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rect.x(), rect.y(), rect.width(), rect.height(), 0,
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XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT, 0, nullptr);
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xcb_size_hints_t hints;
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memset(&hints, 0, sizeof(hints));
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xcb_icccm_size_hints_set_position(&hints, 1, rect.x(), rect.y());
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xcb_icccm_size_hints_set_size(&hints, 1, rect.width(), rect.height());
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xcb_icccm_size_hints_set_min_size(&hints, rect.width(), rect.height());
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xcb_icccm_set_wm_normal_hints(c.data(), window, &hints);
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xcb_map_window(c.data(), window);
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xcb_flush(c.data());
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QSignalSpy windowCreatedSpy(workspace(), &Workspace::clientAdded);
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QVERIFY(windowCreatedSpy.isValid());
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QVERIFY(windowCreatedSpy.wait());
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X11Client *client = windowCreatedSpy.last().first().value<X11Client *>();
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QVERIFY(client);
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QCOMPARE(client->windowId(), window);
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QVERIFY(client->isDecorated());
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// Destroy the test window.
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xcb_destroy_window(c.data(), window);
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xcb_flush(c.data());
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QVERIFY(Test::waitForWindowDestroyed(client));
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}
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} // namespace KWin
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WAYLANDTEST_MAIN(KWin::XwaylandServerRestartTest)
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#include "xwaylandserver_restart_test.moc"
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