|
1 // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies). |
|
2 // All rights reserved. |
|
3 // This component and the accompanying materials are made available |
|
4 // under the terms of "Eclipse Public License v1.0" |
|
5 // which accompanies this distribution, and is available |
|
6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
7 // |
|
8 // Initial Contributors: |
|
9 // Nokia Corporation - initial contribution. |
|
10 // |
|
11 // Contributors: |
|
12 // |
|
13 // Description: |
|
14 // cwatcherlauncher.cpp |
|
15 // |
|
16 |
|
17 #include "cwatcherlauncher.h" |
|
18 |
|
19 #include <ecom/ecom.h> |
|
20 |
|
21 #include <watcher.h> |
|
22 #ifdef SYMBIAN_ENABLE_SPLIT_HEADERS |
|
23 #include "cwatcher.h" |
|
24 #endif |
|
25 |
|
26 const TInt KWatcherMaxStartCount = 5; |
|
27 |
|
28 CWatcherLauncher* CWatcherLauncher::NewL(const TDesC& aWatcherName, TUid aWatcherUid, RFs& aFs, CWatcherLog& aLog) |
|
29 { |
|
30 CWatcherLauncher* self = new (ELeave) CWatcherLauncher(aWatcherUid, aFs, aLog); |
|
31 CleanupStack::PushL(self); |
|
32 self->ConstructL(aWatcherName); |
|
33 CleanupStack::Pop(self); |
|
34 return self; |
|
35 } |
|
36 |
|
37 CWatcherLauncher::CWatcherLauncher(TUid aWatcherUid, RFs& aFs, CWatcherLog& aLog) |
|
38 : CActive(CActive::EPriorityStandard), iWatcherUid(aWatcherUid), iFs(aFs), iLog(aLog) |
|
39 { |
|
40 CActiveScheduler::Add(this); |
|
41 } |
|
42 |
|
43 void CWatcherLauncher::ConstructL(const TDesC& aWatcherName) |
|
44 { |
|
45 // Create timer for use in RunError(). Closed if RunL() doesn't leave |
|
46 User::LeaveIfError(iTimer.CreateLocal()); |
|
47 |
|
48 // iWatcherName is used for logging only. Deleted if RunL() doesn't leave |
|
49 iWatcherName = aWatcherName.AllocL(); |
|
50 |
|
51 // Defer launching of the watcher to RunL() |
|
52 TRequestStatus* status = &iStatus; |
|
53 User::RequestComplete(status, KErrNone); |
|
54 SetActive(); |
|
55 } |
|
56 |
|
57 CWatcherLauncher::~CWatcherLauncher() |
|
58 { |
|
59 Cancel(); |
|
60 |
|
61 delete iWatcher; |
|
62 delete iWatcherName; |
|
63 iTimer.Close(); |
|
64 |
|
65 REComSession::DestroyedImplementation(iDtor_ID_Key); |
|
66 } |
|
67 |
|
68 // methods from CActive |
|
69 |
|
70 void CWatcherLauncher::RunL() |
|
71 { |
|
72 iLog.Printf(_L("Watcher %S starting..."), iWatcherName); |
|
73 |
|
74 // Create the new watcher object - get the instantiation of the active |
|
75 // object form the ECOM server. |
|
76 TWatcherParams params(iFs, iLog); |
|
77 iWatcher = reinterpret_cast<CActive*> |
|
78 (REComSession::CreateImplementationL( |
|
79 iWatcherUid, |
|
80 iDtor_ID_Key, |
|
81 ¶ms)); |
|
82 |
|
83 // Members no longer required... |
|
84 iTimer.Close(); |
|
85 delete iWatcherName; |
|
86 iWatcherName = NULL; |
|
87 } |
|
88 |
|
89 void CWatcherLauncher::DoCancel() |
|
90 { |
|
91 iTimer.Cancel(); |
|
92 } |
|
93 |
|
94 TInt CWatcherLauncher::RunError(TInt aError) |
|
95 { |
|
96 iLog.Printf(_L("Watcher %S construction error: %d [startCount=%d]"), iWatcherName, aError, iStartCount); |
|
97 |
|
98 // Restart the watcher if iStartCount < KWatcherMaxStartCount |
|
99 if( iStartCount < KWatcherMaxStartCount ) |
|
100 { |
|
101 ++iStartCount; |
|
102 iLog.Printf(_L("Watcher %S restarting in %d secs"), iWatcherName, KWatcherDelay/1000000); |
|
103 iTimer.After(iStatus, KWatcherDelay); |
|
104 SetActive(); |
|
105 } |
|
106 else |
|
107 { |
|
108 iLog.Printf(_L("Watcher %S permanent fail"), iWatcherName); |
|
109 iTimer.Close(); |
|
110 } |
|
111 return KErrNone; |
|
112 } |