Differential D15022 Diff 40299 autotests/integration/kwin_wayland_test.cpp

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autotests/integration/kwin_wayland_test.cpp

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19*********************************************************************/ 19​*********************************************************************/
20#include "kwin_wayland_test.h" 20​#include "kwin_wayland_test.h"
21#include "../../platform.h" 21​#include "../../platform.h"
22#include "../../composite.h" 22​#include "../../composite.h"
23#include "../../effects.h" 23​#include "../../effects.h"
24#include "../../wayland_server.h" 24​#include "../../wayland_server.h"
25#include "../../workspace.h" 25​#include "../../workspace.h"
26#include "../../xcbutils.h" 26​#include "../../xcbutils.h"
27​#include "../../xwl/xwayland.h"
27 28​
28#include <KPluginMetaData> 29​#include <KPluginMetaData>
29 30​
30#include <QAbstractEventDispatcher> 31​#include <QAbstractEventDispatcher>
31#include <QPluginLoader> 32​#include <QPluginLoader>
32#include <QSocketNotifier> 33​#include <QSocketNotifier>
33#include <QStyle> 34​#include <QStyle>
34#include <QThread> 35​#include <QThread>
35#include <QtConcurrentRun> 36​#include <QtConcurrentRun>
36 37​
37// system 38​// system
38#include <unistd.h> 39​#include <unistd.h>
39#include <sys/socket.h> 40​#include <sys/socket.h>
40#include <iostream> 41​#include <iostream>
41 42​
42namespace KWin 43​namespace KWin
43{ 44​{
44 45​
45static void readDisplay(int pipe); ​
46 ​
47WaylandTestApplication::WaylandTestApplication(OperationMode mode, int &argc, char **argv) 46​WaylandTestApplication::WaylandTestApplication(OperationMode mode, int &argc, char **argv)
48 : Application(mode, argc, argv) 47​ : ApplicationWaylandAbstract(mode, argc, argv)
49{ 48​{
50 QStandardPaths::setTestModeEnabled(true); 49​ QStandardPaths::setTestModeEnabled(true);
51 QIcon::setThemeName(QStringLiteral("breeze")); 50​ QIcon::setThemeName(QStringLiteral("breeze"));
52#ifdef KWIN_BUILD_ACTIVITIES 51​#ifdef KWIN_BUILD_ACTIVITIES
53 setUseKActivities(false); 52​ setUseKActivities(false);
54#endif 53​#endif
55 qputenv("KWIN_COMPOSE", QByteArrayLiteral("Q")); 54​ qputenv("KWIN_COMPOSE", QByteArrayLiteral("Q"));
56 initPlatform(KPluginMetaData(QStringLiteral("KWinWaylandVirtualBackend.so"))); 55​ initPlatform(KPluginMetaData(QStringLiteral("KWinWaylandVirtualBackend.so")));
57 WaylandServer::create(this); 56​ WaylandServer::create(this);
57​ setProcessStartupEnvironment(QProcessEnvironment::systemEnvironment());
58} 58​}
59 59​
60WaylandTestApplication::~WaylandTestApplication() 60​WaylandTestApplication::~WaylandTestApplication()
61{ 61​{
62 kwinApp()->platform()->setOutputsEnabled(false); 62​ kwinApp()->platform()->setOutputsEnabled(false);
63 // need to unload all effects prior to destroying X connection as they might do X calls 63​ // need to unload all effects prior to destroying X connection as they might do X calls
64 // also before destroy Workspace, as effects might call into Workspace 64​ // also before destroy Workspace, as effects might call into Workspace
65 if (effects) { 65​ if (effects) {
66 static_cast<EffectsHandlerImpl*>(effects)->unloadAllEffects(); 66​ static_cast<EffectsHandlerImpl*>(effects)->unloadAllEffects();
67 } 67​ }
68 destroyWorkspace(); 68​ destroyWorkspace();
69 waylandServer()->dispatch(); 69​ waylandServer()->dispatch();
70 disconnect(m_xwaylandFailConnection); ​
71 if (x11Connection()) { ​
72 Xcb::setInputFocus(XCB_INPUT_FOCUS_POINTER_ROOT); ​
73 destroyAtoms(); ​
74 emit x11ConnectionAboutToBeDestroyed(); ​
75 xcb_disconnect(x11Connection()); ​
76 setX11Connection(nullptr); ​
77 } ​
78 if (m_xwaylandProcess) { ​
79 m_xwaylandProcess->terminate(); ​
80 while (m_xwaylandProcess->state() != QProcess::NotRunning) { ​
81 processEvents(QEventLoop::WaitForMoreEvents); ​
82 } ​
83 waylandServer()->destroyXWaylandConnection(); ​
84 } ​
85 if (QStyle *s = style()) { 70​ if (QStyle *s = style()) {
86 s->unpolish(this); 71​ s->unpolish(this);
87 } 72​ }
73​ // kill Xwayland before terminating its connection
74​ delete m_xwayland;
88 waylandServer()->terminateClientConnections(); 75​ waylandServer()->terminateClientConnections();
89 destroyCompositor(); 76​ destroyCompositor();
90} 77​}
91 78​
92void WaylandTestApplication::performStartup() 79​void WaylandTestApplication::performStartup()
93{ 80​{
94 // first load options - done internally by a different thread 81​ // first load options - done internally by a different thread
95 createOptions(); 82​ createOptions();
Show All 23 Lines104{
119 createScreens(); 106​ createScreens();
120 107​
121 if (operationMode() == OperationModeWaylandOnly) { 108​ if (operationMode() == OperationModeWaylandOnly) {
122 createCompositor(); 109​ createCompositor();
123 connect(Compositor::self(), &Compositor::sceneCreated, this, &WaylandTestApplication::continueStartupWithSceen); 110​ connect(Compositor::self(), &Compositor::sceneCreated, this, &WaylandTestApplication::continueStartupWithSceen);
124 return; 111​ return;
125 } 112​ }
126 createCompositor(); 113​ createCompositor();
127 connect(Compositor::self(), &Compositor::sceneCreated, this, &WaylandTestApplication::startXwaylandServer); 114​ connect(Compositor::self(), &Compositor::sceneCreated, this, &WaylandTestApplication::continueStartupWithXwayland);
128} 115​}
129 116​
130void WaylandTestApplication::continueStartupWithSceen() 117​void WaylandTestApplication::continueStartupWithSceen()
131{ 118​{
132 disconnect(Compositor::self(), &Compositor::sceneCreated, this, &WaylandTestApplication::continueStartupWithSceen); 119​ disconnect(Compositor::self(), &Compositor::sceneCreated, this, &WaylandTestApplication::continueStartupWithSceen);
133 createWorkspace(); 120​ createWorkspace();
134} 121​}
135 122​
136void WaylandTestApplication::continueStartupWithX() 123​void WaylandTestApplication::continueStartupWithXwayland()
137{ ​
138 createX11Connection(); ​
139 xcb_connection_t *c = x11Connection(); ​
140 if (!c) { ​
141 // about to quit ​
142 return; ​
143 } ​
144 QSocketNotifier *notifier = new QSocketNotifier(xcb_get_file_descriptor(c), QSocketNotifier::Read, this); ​
145 auto processXcbEvents = [this, c] { ​
146 while (auto event = xcb_poll_for_event(c)) { ​
147 updateX11Time(event); ​
148 long result = 0; ​
149 if (QThread::currentThread()->eventDispatcher()->filterNativeEvent(QByteArrayLiteral("xcb_generic_event_t"), event, &result)) { ​
150 free(event); ​
151 continue; ​
152 } ​
153 if (Workspace::self()) { ​
154 Workspace::self()->workspaceEvent(event); ​
155 } ​
156 free(event); ​
157 } ​
158 xcb_flush(c); ​
159 }; ​
160 connect(notifier, &QSocketNotifier::activated, this, processXcbEvents); ​
161 connect(QThread::currentThread()->eventDispatcher(), &QAbstractEventDispatcher::aboutToBlock, this, processXcbEvents); ​
162 connect(QThread::currentThread()->eventDispatcher(), &QAbstractEventDispatcher::awake, this, processXcbEvents); ​
163 ​
164 // create selection owner for WM_S0 - magic X display number expected by XWayland ​
165 KSelectionOwner owner("WM_S0", c, x11RootWindow()); ​
166 owner.claim(true); ​
167 ​
168 createAtoms(); ​
169 ​
170 setupEventFilters(); ​
171 ​
172 // Check whether another windowmanager is running ​
173 const uint32_t maskValues[] = {XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT}; ​
174 ScopedCPointer<xcb_generic_error_t> redirectCheck(xcb_request_check(connection(), ​
175 xcb_change_window_attributes_checked(connection(), ​
176 rootWindow(), ​
177 XCB_CW_EVENT_MASK, ​
178 maskValues))); ​
179 if (!redirectCheck.isNull()) { ​
180 ::exit(1); ​
181 } ​
182 ​
183 createWorkspace(); ​
184 ​
185 Xcb::sync(); // Trigger possible errors, there's still a chance to abort ​
186} ​
187 ​
188void WaylandTestApplication::createX11Connection() ​
189{ ​
190 int screenNumber = 0; ​
191 xcb_connection_t *c = nullptr; ​
192 if (m_xcbConnectionFd == -1) { ​
193 c = xcb_connect(nullptr, &screenNumber); ​
194 } else { ​
195 c = xcb_connect_to_fd(m_xcbConnectionFd, nullptr); ​
196 } ​
197 if (int error = xcb_connection_has_error(c)) { ​
198 std::cerr << "FATAL ERROR: Creating connection to XServer failed: " << error << std::endl; ​
199 exit(1); ​
200 return; ​
201 } ​
202 setX11Connection(c); ​
203 // we don't support X11 multi-head in Wayland ​
204 setX11ScreenNumber(screenNumber); ​
205 setX11RootWindow(defaultScreen()->root); ​
206} ​
207 ​
208void WaylandTestApplication::startXwaylandServer() ​
209{ ​
210 disconnect(Compositor::self(), &Compositor::sceneCreated, this, &WaylandTestApplication::startXwaylandServer); ​
211 int pipeFds[2]; ​
212 if (pipe(pipeFds) != 0) { ​
213 std::cerr << "FATAL ERROR failed to create pipe to start Xwayland " << std::endl; ​
214 exit(1); ​
215 return; ​
216 } ​
217 int sx[2]; ​
218 if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, sx) < 0) { ​
219 std::cerr << "FATAL ERROR: failed to open socket to open XCB connection" << std::endl; ​
220 exit(1); ​
221 return; ​
222 } ​
223 int fd = dup(sx[1]); ​
224 if (fd < 0) { ​
225 std::cerr << "FATAL ERROR: failed to open socket to open XCB connection" << std::endl; ​
226 exit(20); ​
227 return; ​
228 } ​
229 ​
230 const int waylandSocket = waylandServer()->createXWaylandConnection(); ​
231 if (waylandSocket == -1) { ​
232 std::cerr << "FATAL ERROR: failed to open socket for Xwayland" << std::endl; ​
233 exit(1); ​
234 return; ​
235 } ​
236 const int wlfd = dup(waylandSocket); ​
237 if (wlfd < 0) { ​
238 std::cerr << "FATAL ERROR: failed to open socket for Xwayland" << std::endl; ​
239 exit(20); ​
240 return; ​
241 } ​
242 ​
243 m_xcbConnectionFd = sx[0]; ​
244 ​
245 m_xwaylandProcess = new QProcess(kwinApp()); ​
246 m_xwaylandProcess->setProgram(QStringLiteral("Xwayland")); ​
247 QProcessEnvironment env = QProcessEnvironment::systemEnvironment(); ​
248 env.insert("WAYLAND_SOCKET", QByteArray::number(wlfd)); ​
249 m_xwaylandProcess->setProcessEnvironment(env); ​
250 m_xwaylandProcess->setArguments({QStringLiteral("-displayfd"), ​
251 QString::number(pipeFds[1]), ​
252 QStringLiteral("-rootless"), ​
253 QStringLiteral("-wm"), ​
254 QString::number(fd)}); ​
255 m_xwaylandFailConnection = connect(m_xwaylandProcess, static_cast<void (QProcess::*)(QProcess::ProcessError)>(&QProcess::error), this, ​
256 [] (QProcess::ProcessError error) { ​
257 if (error == QProcess::FailedToStart) { ​
258 std::cerr << "FATAL ERROR: failed to start Xwayland" << std::endl; ​
259 } else { ​
260 std::cerr << "FATAL ERROR: Xwayland failed, going to exit now" << std::endl; ​
261 } ​
262 exit(1); ​
263 } ​
264 ); ​
265 const int xDisplayPipe = pipeFds[0]; ​
266 connect(m_xwaylandProcess, &QProcess::started, this, ​
267 [this, xDisplayPipe] { ​
268 QFutureWatcher<void> *watcher = new QFutureWatcher<void>(this); ​
269 QObject::connect(watcher, &QFutureWatcher<void>::finished, this, &WaylandTestApplication::continueStartupWithX, Qt::QueuedConnection); ​
270 QObject::connect(watcher, &QFutureWatcher<void>::finished, watcher, &QFutureWatcher<void>::deleteLater, Qt::QueuedConnection); ​
271 watcher->setFuture(QtConcurrent::run(readDisplay, xDisplayPipe)); ​
272 } ​
273 ); ​
274 m_xwaylandProcess->start(); ​
275 close(pipeFds[1]); ​
276} ​
277 ​
278static void readDisplay(int pipe) ​
279{ 124​{
280 QFile readPipe; 125​ disconnect(Compositor::self(), &Compositor::sceneCreated, this, &WaylandTestApplication::continueStartupWithXwayland);
281 if (!readPipe.open(pipe, QIODevice::ReadOnly)) { ​
282 std::cerr << "FATAL ERROR failed to open pipe to start X Server" << std::endl; ​
283 exit(1); ​
284 } ​
285 QByteArray displayNumber = readPipe.readLine(); ​
286 ​
287 displayNumber.prepend(QByteArray(":")); ​
288 displayNumber.remove(displayNumber.size() -1, 1); ​
289 std::cout << "X-Server started on display " << displayNumber.constData() << std::endl; ​
290 ​
291 setenv("DISPLAY", displayNumber.constData(), true); ​
292 126​
293 // close our pipe 127​ m_xwayland = new Xwl::Xwayland(this);
294 close(pipe); 128​ connect(m_xwayland, &Xwl::Xwayland::criticalError, this, [](int code) {
129​ // we currently exit on Xwayland errors always directly
130​ // TODO: restart Xwayland
131​ std::cerr << "Xwayland had a critical error. Going to exit now." << std::endl;
132​ exit(code);
133​ });
134​ m_xwayland->init();
295} 135​}
296 136​
297} 137​}