32
|
1 |
/*
|
|
2 |
* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
|
|
3 |
* All rights reserved.
|
|
4 |
* This component and the accompanying materials are made available
|
|
5 |
* under the terms of "Eclipse Public License v1.0"
|
|
6 |
* which accompanies this distribution, and is available
|
|
7 |
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
|
|
8 |
*
|
|
9 |
* Initial Contributors:
|
|
10 |
* Nokia Corporation - Initial contribution
|
|
11 |
*
|
|
12 |
* Description:
|
|
13 |
* This class contains implementation of CFlexTimerEngine.
|
|
14 |
*
|
|
15 |
*/
|
|
16 |
|
|
17 |
// System include files
|
|
18 |
// None
|
|
19 |
|
|
20 |
// User include files
|
|
21 |
#include "flextimerengine.h"
|
|
22 |
#include "flextimercontainer.h"
|
|
23 |
#include "flextimerwakeuptimer.h"
|
|
24 |
#include "OstTraceDefinitions.h"
|
|
25 |
#ifdef OST_TRACE_COMPILER_IN_USE
|
|
26 |
#include "flextimerengineTraces.h"
|
|
27 |
#endif
|
|
28 |
|
|
29 |
|
|
30 |
// ---------------------------------------------------------------------------
|
|
31 |
// NewL
|
|
32 |
// ---------------------------------------------------------------------------
|
|
33 |
//
|
|
34 |
EXPORT_C CFlexTimerEngine* CFlexTimerEngine::NewL()
|
|
35 |
{
|
|
36 |
CFlexTimerEngine* self = new (ELeave) CFlexTimerEngine();
|
|
37 |
CleanupStack::PushL( self );
|
|
38 |
self->ConstructL();
|
|
39 |
CleanupStack::Pop( self );
|
|
40 |
return self;
|
|
41 |
}
|
|
42 |
// ---------------------------------------------------------------------------
|
|
43 |
// Destructor
|
|
44 |
// ---------------------------------------------------------------------------
|
|
45 |
//
|
|
46 |
CFlexTimerEngine::~CFlexTimerEngine()
|
|
47 |
{
|
|
48 |
OstTrace0( TRACE_INTERNAL,
|
|
49 |
CFLEXTIMERENGINE_CFLEXTIMERENGINE,
|
|
50 |
"CFlexTimerEngine::~CFlexTimerEngine" );
|
|
51 |
|
|
52 |
delete iFlexTimerContainer;
|
|
53 |
delete iWakeUpTimer;
|
|
54 |
}
|
|
55 |
// ---------------------------------------------------------------------------
|
|
56 |
// Add new timer and trap leave. Return Leave code to session.
|
|
57 |
// ---------------------------------------------------------------------------
|
|
58 |
//
|
|
59 |
EXPORT_C TInt CFlexTimerEngine::AddTimer(
|
|
60 |
const TTimeIntervalMicroSeconds& aWinStartInterval,
|
|
61 |
const TTimeIntervalMicroSeconds& aWinEndInterval,
|
|
62 |
TBool aCancelAtSystemTimeChange,
|
|
63 |
const MFlexTimerServiceCB* aFlexTimerServiceCB )
|
|
64 |
{
|
|
65 |
TRAPD( err,
|
|
66 |
iFlexTimerContainer->AddTimerL( aWinStartInterval,
|
|
67 |
aWinEndInterval,
|
|
68 |
aCancelAtSystemTimeChange,
|
|
69 |
aFlexTimerServiceCB ) );
|
|
70 |
|
|
71 |
if ( KErrNone == err )
|
|
72 |
{
|
|
73 |
StartTimer();
|
|
74 |
}
|
|
75 |
return err;
|
|
76 |
}
|
|
77 |
// ---------------------------------------------------------------------------
|
|
78 |
// Remove timer from container queue and start new wakeup watch timer
|
|
79 |
// ---------------------------------------------------------------------------
|
|
80 |
//
|
|
81 |
EXPORT_C TInt CFlexTimerEngine::CancelTimer(
|
|
82 |
const MFlexTimerServiceCB* aFlexTimerServiceCB )
|
|
83 |
{
|
|
84 |
TInt error = iFlexTimerContainer->RemoveTimer( aFlexTimerServiceCB );
|
|
85 |
StartTimer();
|
|
86 |
|
|
87 |
return error;
|
|
88 |
}
|
|
89 |
|
|
90 |
// ---------------------------------------------------------------------------
|
|
91 |
// Wakeup timer expired, Fire timers according to some algorithm set and
|
|
92 |
// restart wakeup timer.
|
|
93 |
// ---------------------------------------------------------------------------
|
|
94 |
//
|
|
95 |
void CFlexTimerEngine::WakeUp()
|
|
96 |
{
|
|
97 |
OstTrace0( TRACE_INTERNAL,
|
|
98 |
CFLEXTIMERENGINE_WAKEUP,
|
|
99 |
"CFlexTimerEngine::WakeUp" );
|
|
100 |
|
|
101 |
iFlexTimerContainer->FireTimers(
|
|
102 |
CFlexTimerContainer::EFlexTimerAlgorithmLatestPossible );
|
|
103 |
|
|
104 |
StartTimer();
|
|
105 |
}
|
|
106 |
// ---------------------------------------------------------------------------
|
|
107 |
// System time is changed. Abort all timers that need to be aborted and
|
|
108 |
// restart wakeup timer.
|
|
109 |
// ---------------------------------------------------------------------------
|
|
110 |
//
|
|
111 |
void CFlexTimerEngine::SystemTimeChanged()
|
|
112 |
{
|
|
113 |
OstTrace0( TRACE_INTERNAL,
|
|
114 |
CFLEXTIMERENGINE_SYSTEMTIMECHANGED,
|
|
115 |
"CFlexTimerEngine::SystemTimeChanged" );
|
|
116 |
|
|
117 |
iFlexTimerContainer->AbortTimersDueToTimeChange( KErrAbort );
|
|
118 |
StartTimer();
|
|
119 |
}
|
|
120 |
// ---------------------------------------------------------------------------
|
|
121 |
// Private constructor
|
|
122 |
// ---------------------------------------------------------------------------
|
|
123 |
//
|
|
124 |
CFlexTimerEngine::CFlexTimerEngine() : iFlexTimerContainer( NULL ),
|
|
125 |
iWakeUpTimer( NULL )
|
|
126 |
{
|
|
127 |
OstTrace0( TRACE_INTERNAL,
|
|
128 |
DUP_CFLEXTIMERENGINE_CFLEXTIMERENGINE,
|
|
129 |
"CFlexTimerEngine::CFlexTimerEngine" );
|
|
130 |
//Nothing to do here
|
|
131 |
}
|
|
132 |
// ---------------------------------------------------------------------------
|
|
133 |
// Private 2nd phase construction
|
|
134 |
// ---------------------------------------------------------------------------
|
|
135 |
//
|
|
136 |
void CFlexTimerEngine::ConstructL()
|
|
137 |
{
|
|
138 |
iFlexTimerContainer = CFlexTimerContainer::NewL();
|
|
139 |
iWakeUpTimer = CFlexTimerWakeUpTimer::NewL( *this );
|
|
140 |
}
|
|
141 |
// ---------------------------------------------------------------------------
|
|
142 |
// Stop timer just in case it is already running (e.g. after AddTimer())
|
|
143 |
// and Start new wakeup timer according to current situation in container
|
|
144 |
// queues If timeout window has passed fire timers right now.
|
|
145 |
// ---------------------------------------------------------------------------
|
|
146 |
//
|
|
147 |
void CFlexTimerEngine::StartTimer()
|
|
148 |
{
|
|
149 |
TTimeIntervalMicroSeconds nextTimeout;
|
|
150 |
|
|
151 |
// Stop the timer, because, if there are no more pending timeouts, the
|
|
152 |
// wake-up timer needs to be stopped. If timeouts are found, the timer is
|
|
153 |
// is restarted below.
|
|
154 |
iWakeUpTimer->StopTimer();
|
|
155 |
|
|
156 |
if ( iFlexTimerContainer->GetNextTimeout( nextTimeout ) )
|
|
157 |
{
|
|
158 |
// If timeout is in the future, timer is started to wake up at that
|
|
159 |
// moment.
|
|
160 |
if ( nextTimeout > TTimeIntervalMicroSeconds( 0 ) )
|
|
161 |
{
|
|
162 |
iWakeUpTimer->StartTimer( nextTimeout );
|
|
163 |
}
|
|
164 |
// If timer is due now or in the past, Lets fire those right now.
|
|
165 |
else
|
|
166 |
{
|
|
167 |
WakeUp();
|
|
168 |
}
|
|
169 |
}
|
|
170 |
// Else no timers, so no need for timeouts. Server is propably about to be
|
|
171 |
// deleted.
|
|
172 |
}
|