3 #include "apitracecall.h"
12 #include <qjson/parser.h>
14 Retracer::Retracer(QObject *parent)
16 m_benchmarking(false),
17 m_doubleBuffered(true),
18 m_captureState(false),
22 QString format = QLatin1String("%1;");
24 QString format = QLatin1String("%1:");
26 QString buildPath = format.arg(APITRACE_BINARY_DIR);
27 m_processEnvironment = QProcessEnvironment::systemEnvironment();
28 m_processEnvironment.insert("PATH", buildPath +
29 m_processEnvironment.value("PATH"));
32 m_processEnvironment.value("PATH").toLatin1());
35 QString Retracer::fileName() const
40 void Retracer::setFileName(const QString &name)
45 void Retracer::setAPI(trace::API api)
50 bool Retracer::isBenchmarking() const
52 return m_benchmarking;
55 void Retracer::setBenchmarking(bool bench)
57 m_benchmarking = bench;
60 bool Retracer::isDoubleBuffered() const
62 return m_doubleBuffered;
65 void Retracer::setDoubleBuffered(bool db)
67 m_doubleBuffered = db;
70 void Retracer::setCaptureAtCallNumber(qlonglong num)
75 qlonglong Retracer::captureAtCallNumber() const
80 bool Retracer::captureState() const
82 return m_captureState;
85 void Retracer::setCaptureState(bool enable)
87 m_captureState = enable;
90 bool Retracer::captureThumbnails() const
92 return m_captureThumbnails;
95 void Retracer::setCaptureThumbnails(bool enable)
97 m_captureThumbnails = enable;
103 RetraceProcess *retrace = new RetraceProcess();
104 retrace->process()->setProcessEnvironment(m_processEnvironment);
106 retrace->setFileName(m_fileName);
107 retrace->setAPI(m_api);
108 retrace->setBenchmarking(m_benchmarking);
109 retrace->setDoubleBuffered(m_doubleBuffered);
110 retrace->setCaptureState(m_captureState);
111 retrace->setCaptureThumbnails(m_captureThumbnails);
112 retrace->setCaptureAtCallNumber(m_captureCall);
114 connect(retrace, SIGNAL(finished(const QString&)),
115 this, SLOT(cleanup()));
116 connect(retrace, SIGNAL(error(const QString&)),
117 this, SLOT(cleanup()));
118 connect(retrace, SIGNAL(finished(const QString&)),
119 this, SIGNAL(finished(const QString&)));
120 connect(retrace, SIGNAL(error(const QString&)),
121 this, SIGNAL(error(const QString&)));
122 connect(retrace, SIGNAL(foundState(ApiTraceState*)),
123 this, SIGNAL(foundState(ApiTraceState*)));
124 connect(retrace, SIGNAL(foundThumbnails(const QList<QImage>&)),
125 this, SIGNAL(foundThumbnails(const QList<QImage>&)));
126 connect(retrace, SIGNAL(retraceErrors(const QList<ApiTraceError>&)),
127 this, SIGNAL(retraceErrors(const QList<ApiTraceError>&)));
133 /* means we need to kill the process */
134 if (retrace->process()->state() != QProcess::NotRunning) {
135 retrace->terminate();
142 void RetraceProcess::start()
145 QStringList arguments;
147 if (m_api == trace::API_GL) {
148 prog = QLatin1String("glretrace");
149 } else if (m_api == trace::API_EGL) {
150 prog = QLatin1String("eglretrace");
156 if (m_doubleBuffered) {
157 arguments << QLatin1String("-db");
159 arguments << QLatin1String("-sb");
162 if (m_captureState || m_captureThumbnails) {
163 if (m_captureState) {
164 arguments << QLatin1String("-D");
165 arguments << QString::number(m_captureCall);
167 if (m_captureThumbnails) {
168 arguments << QLatin1String("-s"); // emit snapshots
169 arguments << QLatin1String("-"); // emit to stdout
172 if (m_benchmarking) {
173 arguments << QLatin1String("-b");
177 arguments << m_fileName;
179 m_process->start(prog, arguments);
183 void RetraceProcess::replayFinished(int exitCode, QProcess::ExitStatus exitStatus)
187 if (exitStatus != QProcess::NormalExit) {
188 msg = QLatin1String("Process crashed");
189 } else if (exitCode != 0) {
190 msg = QLatin1String("Process exited with non zero exit code");
192 if (m_captureState || m_captureThumbnails) {
193 if (m_captureState) {
195 m_process->setReadChannel(QProcess::StandardOutput);
196 QVariantMap parsedJson = m_jsonParser->parse(m_process, &ok).toMap();
197 ApiTraceState *state = new ApiTraceState(parsedJson);
198 emit foundState(state);
199 msg = tr("State fetched.");
201 if (m_captureThumbnails) {
202 m_process->setReadChannel(QProcess::StandardOutput);
204 QList<QImage> thumbnails;
206 while (!m_process->atEnd()) {
207 unsigned channels = 0;
212 qint64 headerSize = 0;
213 int headerLines = 3; // assume no optional comment line
215 for (int headerLine = 0; headerLine < headerLines; ++headerLine) {
216 qint64 headerRead = m_process->readLine(&header[headerSize], sizeof(header) - headerSize);
218 // if header actually contains optional comment line, ...
219 if (headerLine == 1 && header[headerSize] == '#') {
223 headerSize += headerRead;
226 const char *headerEnd = image::readPNMHeader(header, headerSize, &channels, &width, &height);
228 // if invalid PNM header was encountered, ...
229 if (header == headerEnd) {
230 qDebug() << "error: invalid snapshot stream encountered\n";
234 //qDebug() << "channels: " << channels << ", width: " << width << ", height: " << height << "\n";
236 QImage snapshot = QImage(width, height, channels == 1 ? QImage::Format_Mono : QImage::Format_RGB888);
238 int rowBytes = channels * width;
239 for (int y = 0; y < height; ++y) {
240 unsigned char *scanLine = snapshot.scanLine(y);
241 m_process->read((char *) scanLine, rowBytes);
244 QImage thumbnail = snapshot.scaled(16, 16, Qt::KeepAspectRatio, Qt::FastTransformation);
245 thumbnails.append(thumbnail);
248 emit foundThumbnails(thumbnails);
249 msg = tr("Thumbnails fetched.");
253 output = m_process->readAllStandardOutput();
254 msg = QString::fromUtf8(output);
258 QString errStr = m_process->readAllStandardError();
259 QStringList errorLines = errStr.split('\n');
260 QList<ApiTraceError> errors;
261 QRegExp regexp("(^\\d+): +(\\b\\w+\\b): (.+$)");
262 foreach(QString line, errorLines) {
263 if (regexp.indexIn(line) != -1) {
265 error.callIndex = regexp.cap(1).toInt();
266 error.type = regexp.cap(2);
267 error.message = regexp.cap(3);
268 errors.append(error);
271 if (!errors.isEmpty()) {
272 emit retraceErrors(errors);
277 void RetraceProcess::replayError(QProcess::ProcessError err)
280 * XXX: this function is likely unnecessary and should be eliminated given
281 * that replayFinished is always called, even on errors.
285 qDebug()<<"Process error = "<<err;
286 qDebug()<<"\terr = "<<m_process->readAllStandardError();
287 qDebug()<<"\tout = "<<m_process->readAllStandardOutput();
291 tr("Couldn't execute the replay file '%1'").arg(m_fileName));
294 Q_DECLARE_METATYPE(QList<ApiTraceError>);
295 RetraceProcess::RetraceProcess(QObject *parent)
298 m_process = new QProcess(this);
299 m_jsonParser = new QJson::Parser();
301 qRegisterMetaType<QList<ApiTraceError> >();
303 connect(m_process, SIGNAL(finished(int, QProcess::ExitStatus)),
304 this, SLOT(replayFinished(int, QProcess::ExitStatus)));
305 connect(m_process, SIGNAL(error(QProcess::ProcessError)),
306 this, SLOT(replayError(QProcess::ProcessError)));
309 QProcess * RetraceProcess::process() const
314 QString RetraceProcess::fileName() const
319 void RetraceProcess::setFileName(const QString &name)
324 void RetraceProcess::setAPI(trace::API api)
329 bool RetraceProcess::isBenchmarking() const
331 return m_benchmarking;
334 void RetraceProcess::setBenchmarking(bool bench)
336 m_benchmarking = bench;
339 bool RetraceProcess::isDoubleBuffered() const
341 return m_doubleBuffered;
344 void RetraceProcess::setDoubleBuffered(bool db)
346 m_doubleBuffered = db;
349 void RetraceProcess::setCaptureAtCallNumber(qlonglong num)
354 qlonglong RetraceProcess::captureAtCallNumber() const
356 return m_captureCall;
359 bool RetraceProcess::captureState() const
361 return m_captureState;
364 void RetraceProcess::setCaptureState(bool enable)
366 m_captureState = enable;
369 bool RetraceProcess::captureThumbnails() const
371 return m_captureThumbnails;
374 void RetraceProcess::setCaptureThumbnails(bool enable)
376 m_captureThumbnails = enable;
379 void RetraceProcess::terminate()
382 m_process->terminate();
383 emit finished(tr("Process terminated."));
387 void Retracer::cleanup()
392 RetraceProcess::~RetraceProcess()
397 #include "retracer.moc"