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1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #include "ssmcommandutilprovider.h" |
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17 #include "ssmdebug.h" |
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18 |
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19 _LIT( KSysMonProxyDLL, "loadsysmon.dll" ); |
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20 typedef MSsmLoadSysMon* (*TFuncCreateL)( void ); |
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21 |
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22 /** |
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23 Factory method that returns pointer to the object of CSsmCommandUtilProvider. |
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24 */ |
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25 EXPORT_C CSsmCommandUtilProvider* CSsmCommandUtilProvider::NewL() |
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26 { |
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27 CSsmCommandUtilProvider* self = new(ELeave) CSsmCommandUtilProvider(); |
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28 CleanupStack::PushL(self); |
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29 self->ConstructL(); |
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30 CleanupStack::Pop(self); |
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31 return self; |
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32 } |
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33 |
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34 /** |
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35 Returns CStartSafe object |
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36 */ |
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37 CSsmStartSafe& CSsmCommandUtilProvider::StartSafe() |
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38 { |
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39 return *iStartSafe; |
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40 } |
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41 |
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42 /** |
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43 DTOR |
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44 */ |
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45 EXPORT_C CSsmCommandUtilProvider::~CSsmCommandUtilProvider() |
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46 { |
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47 delete iSysMonSession; |
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48 delete iStartSafe; |
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49 iSysMonProxyLib.Close(); |
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50 iFs.Close(); |
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51 } |
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52 |
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53 /** |
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54 Default CTOR |
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55 */ |
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56 CSsmCommandUtilProvider::CSsmCommandUtilProvider() |
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57 { |
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58 } |
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59 |
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60 /** |
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61 Returns SysMonSession. |
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62 @return System monitor session. |
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63 @leave KErrNotSupported If NULL is assigned to iSysMonSession. |
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64 @leave One of the system wide error code. |
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65 @see MSsmLoadSysMon |
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66 */ |
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67 MSsmLoadSysMon& CSsmCommandUtilProvider::SysMonSessionL() |
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68 { |
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69 if(!iSysMonSession) |
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70 { |
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71 // if iSysMonSession is NULL, then sysmon lib is not installed. |
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72 User::Leave(KErrNotSupported); |
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73 } |
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74 if(iSysMonSession) |
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75 { |
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76 //close the existing session and send the new one to avoid the memory leak. |
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77 iSysMonSession->Close(); |
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78 iSysMonSession->OpenL(); |
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79 } |
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80 |
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81 return *iSysMonSession; |
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82 } |
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83 |
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84 /** |
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85 This function connects to the RFs if Handle is NULL, and returns the connected RFs. |
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86 @return Connected RFs |
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87 @ |
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88 */ |
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89 RFs& CSsmCommandUtilProvider::RfsL() |
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90 { |
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91 if (iFs.Handle() == NULL) |
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92 { |
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93 SSMLOGLEAVEIFERROR(iFs.Connect()); // if not already connected then connect |
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94 } |
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95 return iFs; |
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96 } |
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97 |
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98 /** |
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99 Load the dll interfacing between us and the System Monitor component, if installed. |
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100 */ |
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101 void CSsmCommandUtilProvider::LoadMonitorProxyLibL() |
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102 { |
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103 if( KErrNone != iSysMonProxyLib.Load(KSysMonProxyDLL) ) |
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104 { |
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105 return; |
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106 } |
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107 |
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108 TFuncCreateL sysMonProxyCreateL = reinterpret_cast<TFuncCreateL>(iSysMonProxyLib.Lookup(1)); |
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109 |
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110 iSysMonSession = sysMonProxyCreateL(); |
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111 } |
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112 |
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113 /** |
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114 Constructs the object, Creates the startsafe object and SysMonSession. |
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115 */ |
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116 void CSsmCommandUtilProvider::ConstructL() |
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117 { |
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118 iStartSafe = CSsmStartSafe::NewL(); // Creates CStartSafe object. |
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119 LoadMonitorProxyLibL(); |
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120 } |
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121 |
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122 |