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39
40#include "qqmlprofileradapter.h"
41#include "qqmlprofilerservice.h"
42
43#include <private/qqmldebugserviceinterfaces_p.h>
44
45QT_BEGIN_NAMESPACE
46
47QQmlProfilerAdapter::QQmlProfilerAdapter(QQmlProfilerService *service, QQmlEnginePrivate *engine)
48{
49 engine->profiler = new QQmlProfiler;
50 init(service, profiler: engine->profiler);
51}
52
53QQmlProfilerAdapter::QQmlProfilerAdapter(QQmlProfilerService *service, QQmlTypeLoader *loader)
54{
55 QQmlProfiler *profiler = new QQmlProfiler;
56 loader->setProfiler(profiler);
57 init(service, profiler);
58}
59
60void QQmlProfilerAdapter::init(QQmlProfilerService *service, QQmlProfiler *profiler)
61{
62 next = 0;
63 setService(service);
64 connect(sender: this, signal: &QQmlProfilerAdapter::profilingEnabled,
65 receiver: profiler, slot: &QQmlProfiler::startProfiling);
66 connect(sender: this, signal: &QQmlAbstractProfilerAdapter::profilingEnabledWhileWaiting,
67 receiver: profiler, slot: &QQmlProfiler::startProfiling, type: Qt::DirectConnection);
68 connect(sender: this, signal: &QQmlAbstractProfilerAdapter::profilingDisabled,
69 receiver: profiler, slot: &QQmlProfiler::stopProfiling);
70 connect(sender: this, signal: &QQmlAbstractProfilerAdapter::profilingDisabledWhileWaiting,
71 receiver: profiler, slot: &QQmlProfiler::stopProfiling, type: Qt::DirectConnection);
72 connect(sender: this, signal: &QQmlAbstractProfilerAdapter::dataRequested,
73 receiver: profiler, slot: &QQmlProfiler::reportData);
74 connect(sender: this, signal: &QQmlAbstractProfilerAdapter::referenceTimeKnown,
75 receiver: profiler, slot: &QQmlProfiler::setTimer);
76 connect(sender: profiler, signal: &QQmlProfiler::dataReady,
77 receiver: this, slot: &QQmlProfilerAdapter::receiveData);
78}
79
80// convert to QByteArrays that can be sent to the debug client
81static void qQmlProfilerDataToByteArrays(const QQmlProfilerData &d,
82 QQmlProfiler::LocationHash &locations,
83 QList<QByteArray> &messages)
84{
85 QQmlDebugPacket ds;
86 Q_ASSERT_X((d.messageType & (1 << 31)) == 0, Q_FUNC_INFO,
87 "You can use at most 31 message types.");
88 for (quint32 decodedMessageType = 0; (d.messageType >> decodedMessageType) != 0;
89 ++decodedMessageType) {
90 if (decodedMessageType == QQmlProfilerDefinitions::RangeData
91 || (d.messageType & (1 << decodedMessageType)) == 0) {
92 continue; // RangeData is sent together with RangeLocation
93 }
94
95 if (decodedMessageType == QQmlProfilerDefinitions::RangeEnd
96 || decodedMessageType == QQmlProfilerDefinitions::RangeStart) {
97 ds << d.time << decodedMessageType << static_cast<quint32>(d.detailType);
98 if (d.locationId != 0)
99 ds << static_cast<qint64>(d.locationId);
100 } else {
101 auto i = locations.find(akey: d.locationId);
102 if (i != locations.end()) {
103 ds << d.time << decodedMessageType << static_cast<quint32>(d.detailType);
104 ds << (i->url.isEmpty() ? i->location.sourceFile : i->url.toString())
105 << static_cast<qint32>(i->location.line)
106 << static_cast<qint32>(i->location.column);
107 if (d.messageType & (1 << QQmlProfilerDefinitions::RangeData)) {
108 // Send both, location and data ...
109 ds << static_cast<qint64>(d.locationId);
110 messages.append(t: ds.squeezedData());
111 ds.clear();
112 ds << d.time << int(QQmlProfilerDefinitions::RangeData)
113 << static_cast<quint32>(d.detailType)
114 << (i->location.sourceFile.isEmpty() ? i->url.toString() :
115 i->location.sourceFile);
116 }
117 ds << static_cast<qint64>(d.locationId);
118 locations.erase(it: i); // ... so that we can erase here without missing anything.
119 } else {
120 // Skip RangeData and RangeLocation: We've already sent them
121 continue;
122 }
123 }
124 messages.append(t: ds.squeezedData());
125 ds.clear();
126 }
127}
128
129qint64 QQmlProfilerAdapter::sendMessages(qint64 until, QList<QByteArray> &messages)
130{
131 while (next != data.length()) {
132 const QQmlProfilerData &nextData = data.at(i: next);
133 if (nextData.time > until || messages.length() > s_numMessagesPerBatch)
134 return nextData.time;
135 qQmlProfilerDataToByteArrays(d: nextData, locations, messages);
136 ++next;
137 }
138
139 next = 0;
140 data.clear();
141 locations.clear();
142 return -1;
143}
144
145void QQmlProfilerAdapter::receiveData(const QVector<QQmlProfilerData> &new_data,
146 const QQmlProfiler::LocationHash &new_locations)
147{
148 if (data.isEmpty())
149 data = new_data;
150 else
151 data.append(l: new_data);
152
153 if (locations.isEmpty())
154 locations = new_locations;
155 else
156 locations.insert(hash: new_locations);
157
158 service->dataReady(profiler: this);
159}
160
161QT_END_NAMESPACE
162

source code of qtdeclarative/src/plugins/qmltooling/qmldbg_profiler/qqmlprofileradapter.cpp