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qqmlenginecontrolclient.cpp

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1/****************************************************************************-
2**-
3** Copyright (C) 2016 The Qt Company Ltd.-
4** Contact: https://www.qt.io/licensing/-
5**-
6** This file is part of the QtQml module of the Qt Toolkit.-
7**-
8** $QT_BEGIN_LICENSE:LGPL$-
9** Commercial License Usage-
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15** information use the contact form at https://www.qt.io/contact-us.-
16**-
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18** Alternatively, this file may be used under the terms of the GNU Lesser-
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20** Foundation and appearing in the file LICENSE.LGPL3 included in the-
21** packaging of this file. Please review the following information to-
22** ensure the GNU Lesser General Public License version 3 requirements-
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.-
24**-
25** GNU General Public License Usage-
26** Alternatively, this file may be used under the terms of the GNU-
27** General Public License version 2.0 or (at your option) the GNU General-
28** Public license version 3 or any later version approved by the KDE Free-
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36** $QT_END_LICENSE$-
37**-
38****************************************************************************/-
39-
40#include "qqmlenginecontrolclient_p.h"-
41#include "qqmlenginecontrolclient_p_p.h"-
42#include "qqmldebugconnection_p.h"-
43-
44#include <private/qpacket_p.h>-
45-
46QT_BEGIN_NAMESPACE-
47-
48QQmlEngineControlClient::QQmlEngineControlClient(QQmlDebugConnection *connection) :-
49 QQmlDebugClient(*(new QQmlEngineControlClientPrivate(connection)))-
50{-
51}
executed 44 times by 2 tests: end of block
Executed by:
  • tst_qqmlenginecontrol
  • tst_qqmlprofilerservice
44
52-
53QQmlEngineControlClient::QQmlEngineControlClient(QQmlEngineControlClientPrivate &dd) :-
54 QQmlDebugClient(dd)-
55{-
56}
never executed: end of block
0
57-
58/*!-
59 * Block the starting or stopping of the engine with id \a engineId for now. By calling-
60 * releaseEngine later the block can be lifted again. In the debugged application the engine control-
61 * server waits until a message is received before continuing. So by not sending a message here we-
62 * delay the process. Blocks add up. You have to call releaseEngine() as often as you've called-
63 * blockEngine before. The intention of that is to allow different debug clients to use the same-
64 * engine control and communicate with their respective counterparts before the QML engine starts or-
65 * shuts down.-
66 */-
67void QQmlEngineControlClient::blockEngine(int engineId)-
68{-
69 Q_D(QQmlEngineControlClient);-
70 Q_ASSERT(d->blockedEngines.contains(engineId));-
71 d->blockedEngines[engineId].blockers++;-
72}
executed 16 times by 2 tests: end of block
Executed by:
  • tst_qqmlenginecontrol
  • tst_qqmlprofilerservice
16
73-
74/*!-
75 * Release the engine with id \a engineId. If no other blocks are present, depending on what the-
76 * engine is waiting for, the start or stop command is sent to the process being debugged.-
77 */-
78void QQmlEngineControlClient::releaseEngine(int engineId)-
79{-
80 Q_D(QQmlEngineControlClient);-
81 Q_ASSERT(d->blockedEngines.contains(engineId));-
82-
83 QQmlEngineControlClientPrivate::EngineState &state = d->blockedEngines[engineId];-
84 if (--state.blockers == 0) {
--state.blockers == 0Description
TRUEevaluated 16 times by 2 tests
Evaluated by:
  • tst_qqmlenginecontrol
  • tst_qqmlprofilerservice
FALSEnever evaluated
0-16
85 Q_ASSERT(state.releaseCommand != QQmlEngineControlClientPrivate::InvalidCommand);-
86 d->sendCommand(state.releaseCommand, engineId);-
87 d->blockedEngines.remove(engineId);-
88 }
executed 16 times by 2 tests: end of block
Executed by:
  • tst_qqmlenginecontrol
  • tst_qqmlprofilerservice
16
89}
executed 16 times by 2 tests: end of block
Executed by:
  • tst_qqmlenginecontrol
  • tst_qqmlprofilerservice
16
90-
91QList<int> QQmlEngineControlClient::blockedEngines() const-
92{-
93 Q_D(const QQmlEngineControlClient);-
94 return d->blockedEngines.keys();
executed 108 times by 2 tests: return d->blockedEngines.keys();
Executed by:
  • tst_qqmlenginecontrol
  • tst_qqmlprofilerservice
108
95}-
96-
97void QQmlEngineControlClient::messageReceived(const QByteArray &data)-
98{-
99 Q_D(QQmlEngineControlClient);-
100 QPacket stream(d->connection->currentDataStreamVersion(), data);-
101 qint32 message;-
102 qint32 id;-
103 QString name;-
104-
105 stream >> message >> id;-
106-
107 if (!stream.atEnd())
!stream.atEnd()Description
TRUEnever evaluated
FALSEevaluated 92 times by 2 tests
Evaluated by:
  • tst_qqmlenginecontrol
  • tst_qqmlprofilerservice
0-92
108 stream >> name;
never executed: stream >> name;
0
109-
110 auto handleWaiting = [&](-
111 QQmlEngineControlClientPrivate::CommandType command, std::function<void()> emitter) {-
112 QQmlEngineControlClientPrivate::EngineState &state = d->blockedEngines[id];-
113 Q_ASSERT(state.blockers == 0);-
114 Q_ASSERT(state.releaseCommand == QQmlEngineControlClientPrivate::InvalidCommand);-
115 state.releaseCommand = command;-
116 emitter();-
117 if (state.blockers == 0) {
state.blockers == 0Description
TRUEevaluated 30 times by 1 test
Evaluated by:
  • tst_qqmlprofilerservice
FALSEevaluated 16 times by 2 tests
Evaluated by:
  • tst_qqmlenginecontrol
  • tst_qqmlprofilerservice
16-30
118 d->sendCommand(state.releaseCommand, id);-
119 d->blockedEngines.remove(id);-
120 }
executed 30 times by 1 test: end of block
Executed by:
  • tst_qqmlprofilerservice
30
121 };
executed 46 times by 2 tests: end of block
Executed by:
  • tst_qqmlenginecontrol
  • tst_qqmlprofilerservice
46
122-
123 switch (message) {-
124 case QQmlEngineControlClientPrivate::EngineAboutToBeAdded:
executed 36 times by 2 tests: case QQmlEngineControlClientPrivate::EngineAboutToBeAdded:
Executed by:
  • tst_qqmlenginecontrol
  • tst_qqmlprofilerservice
36
125 handleWaiting(QQmlEngineControlClientPrivate::StartWaitingEngine, [&](){-
126 emit engineAboutToBeAdded(id, name);-
127 });
executed 36 times by 2 tests: end of block
Executed by:
  • tst_qqmlenginecontrol
  • tst_qqmlprofilerservice
36
128 break;
executed 36 times by 2 tests: break;
Executed by:
  • tst_qqmlenginecontrol
  • tst_qqmlprofilerservice
36
129 case QQmlEngineControlClientPrivate::EngineAdded:
executed 36 times by 2 tests: case QQmlEngineControlClientPrivate::EngineAdded:
Executed by:
  • tst_qqmlenginecontrol
  • tst_qqmlprofilerservice
36
130 emit engineAdded(id, name);-
131 break;
executed 36 times by 2 tests: break;
Executed by:
  • tst_qqmlenginecontrol
  • tst_qqmlprofilerservice
36
132 case QQmlEngineControlClientPrivate::EngineAboutToBeRemoved:
executed 10 times by 2 tests: case QQmlEngineControlClientPrivate::EngineAboutToBeRemoved:
Executed by:
  • tst_qqmlenginecontrol
  • tst_qqmlprofilerservice
10
133 handleWaiting(QQmlEngineControlClientPrivate::StopWaitingEngine, [&](){-
134 emit engineAboutToBeRemoved(id, name);-
135 });
executed 10 times by 2 tests: end of block
Executed by:
  • tst_qqmlenginecontrol
  • tst_qqmlprofilerservice
10
136 break;
executed 10 times by 2 tests: break;
Executed by:
  • tst_qqmlenginecontrol
  • tst_qqmlprofilerservice
10
137 case QQmlEngineControlClientPrivate::EngineRemoved:
executed 10 times by 2 tests: case QQmlEngineControlClientPrivate::EngineRemoved:
Executed by:
  • tst_qqmlenginecontrol
  • tst_qqmlprofilerservice
10
138 emit engineRemoved(id, name);-
139 break;
executed 10 times by 2 tests: break;
Executed by:
  • tst_qqmlenginecontrol
  • tst_qqmlprofilerservice
10
140 }-
141}
executed 92 times by 2 tests: end of block
Executed by:
  • tst_qqmlenginecontrol
  • tst_qqmlprofilerservice
92
142-
143QQmlEngineControlClientPrivate::QQmlEngineControlClientPrivate(QQmlDebugConnection *connection) :-
144 QQmlDebugClientPrivate(QLatin1String("EngineControl"), connection)-
145{-
146}
executed 44 times by 2 tests: end of block
Executed by:
  • tst_qqmlenginecontrol
  • tst_qqmlprofilerservice
44
147-
148void QQmlEngineControlClientPrivate::sendCommand(-
149 QQmlEngineControlClientPrivate::CommandType command, int engineId)-
150{-
151 Q_Q(QQmlEngineControlClient);-
152 QPacket stream(connection->currentDataStreamVersion());-
153 stream << static_cast<qint32>(command) << engineId;-
154 q->sendMessage(stream.data());-
155}
executed 46 times by 2 tests: end of block
Executed by:
  • tst_qqmlenginecontrol
  • tst_qqmlprofilerservice
46
156-
157QT_END_NAMESPACE-
158-
159#include "moc_qqmlenginecontrolclient_p.cpp"-
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