133 lines
4.9 KiB
C++
133 lines
4.9 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 "unmanaged.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_interface.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_crash-0");
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class XwaylandServerCrashTest : 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 testCrash();
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};
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void XwaylandServerCrashTest::initTestCase()
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{
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qRegisterMetaType<Unmanaged *>();
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qRegisterMetaType<X11Client *>();
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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("Stop"));
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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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void XwaylandServerCrashTest::testCrash()
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{
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// This test verifies that all connected X11 clients get destroyed when Xwayland crashes.
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// Create a normal window.
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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 windowGeometry(0, 0, 100, 200);
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xcb_window_t window1 = xcb_generate_id(c.data());
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xcb_create_window(c.data(), XCB_COPY_FROM_PARENT, window1, rootWindow(),
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windowGeometry.x(),
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windowGeometry.y(),
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windowGeometry.width(),
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windowGeometry.height(),
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0, 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, windowGeometry.x(), windowGeometry.y());
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xcb_icccm_size_hints_set_size(&hints, 1, windowGeometry.width(), windowGeometry.height());
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xcb_icccm_size_hints_set_min_size(&hints, windowGeometry.width(), windowGeometry.height());
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xcb_icccm_set_wm_normal_hints(c.data(), window1, &hints);
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xcb_map_window(c.data(), window1);
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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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QPointer<X11Client> client = windowCreatedSpy.last().first().value<X11Client *>();
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QVERIFY(client);
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QVERIFY(client->isDecorated());
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// Create an override-redirect window.
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xcb_window_t window2 = xcb_generate_id(c.data());
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const uint32_t values[] = { true };
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xcb_create_window(c.data(), XCB_COPY_FROM_PARENT, window2, rootWindow(),
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windowGeometry.x(), windowGeometry.y(),
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windowGeometry.width(), windowGeometry.height(), 0,
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XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT,
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XCB_CW_OVERRIDE_REDIRECT, values);
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xcb_map_window(c.data(), window2);
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xcb_flush(c.data());
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QSignalSpy unmanagedAddedSpy(workspace(), &Workspace::unmanagedAdded);
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QVERIFY(unmanagedAddedSpy.isValid());
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QVERIFY(unmanagedAddedSpy.wait());
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QPointer<Unmanaged> unmanaged = unmanagedAddedSpy.last().first().value<Unmanaged *>();
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QVERIFY(unmanaged);
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// Let's pretend that the Xwayland process has crashed.
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QSignalSpy x11ConnectionChangedSpy(kwinApp(), &Application::x11ConnectionChanged);
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QVERIFY(x11ConnectionChangedSpy.isValid());
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xwayland()->process()->terminate();
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QVERIFY(x11ConnectionChangedSpy.wait());
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// When Xwayland crashes, the compositor should tear down the XCB connection and destroy
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// all connected X11 clients.
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QTRY_VERIFY(!client);
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QTRY_VERIFY(!unmanaged);
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QCOMPARE(kwinApp()->x11Connection(), nullptr);
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QCOMPARE(kwinApp()->x11DefaultScreen(), nullptr);
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QCOMPARE(kwinApp()->x11RootWindow(), XCB_WINDOW_NONE);
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QCOMPARE(kwinApp()->x11ScreenNumber(), -1);
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}
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} // namespace KWin
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WAYLANDTEST_MAIN(KWin::XwaylandServerCrashTest)
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#include "xwaylandserver_crash_test.moc"
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