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1 // Copyright (c) 2008-2009 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 "ssmdebug.h" |
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17 #include "amastart.h" |
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18 #include <dscitem.h> |
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19 #include <startsafe.h> |
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20 |
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21 /** |
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22 * Used to create an instance of CAmaStart class |
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23 * @return An instance of CAmaStart |
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24 */ |
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25 EXPORT_C CAmaStart* CAmaStart::NewL() |
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26 { |
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27 CAmaStart* ama = new(ELeave) CAmaStart(); |
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28 CleanupStack::PushL(ama); |
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29 ama->ConstructL(); |
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30 CleanupStack::Pop(ama); |
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31 return ama; |
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32 } |
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33 |
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34 void CAmaStart::ConstructL() |
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35 { |
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36 iAmaStarter = CAmaStartAsync::NewL(); |
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37 iStartSafe = CStartSafe::NewL(); |
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38 } |
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39 |
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40 CAmaStart::CAmaStart() |
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41 { |
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42 } |
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43 |
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44 /** |
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45 * Destructor for CAmaStart class |
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46 */ |
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47 EXPORT_C CAmaStart::~CAmaStart() |
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48 { |
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49 delete iStartSafe; |
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50 iDscStore.Close(); |
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51 iSysMon.Close(); |
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52 delete iAmaStarter; |
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53 } |
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54 |
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55 /** |
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56 * Used to launch AMAs (after market application) from a DSC. |
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57 * Returns when processing of the DSC is complete. |
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58 * (Synchronous) |
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59 * @param aDscId Id of the DSC containing AMAs to be started. |
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60 */ |
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61 EXPORT_C void CAmaStart::StartL(const TUid aDscId) |
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62 { |
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63 if (iClientStatus && *iClientStatus == KRequestPending) |
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64 { |
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65 User::Leave(KErrNotReady); |
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66 } |
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67 |
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68 // Opens a connection with the DSC database. |
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69 iDscStore.OpenL(); |
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70 |
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71 //Prepares the database to read the given details of the given dsc id |
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72 iDscStore.EnumOpenLC(aDscId) ; |
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73 |
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74 //Read the details of the current dscid (aDscId) |
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75 CDscItem* item = iDscStore.EnumReadNextL(); |
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76 while (item) |
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77 { |
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78 //if loading of one AMA from the DSC fails we should move to next AMA - so we trap here |
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79 TRAP_IGNORE(StartDscItemL(*item)); |
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80 delete item; |
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81 item = iDscStore.EnumReadNextL(); |
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82 } |
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83 |
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84 //EnumClose() |
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85 //Pop and destroy cleanup rollback operation left on cleanstack by EnumOpenLC() |
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86 CleanupStack::PopAndDestroy(); |
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87 } |
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88 |
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89 /** |
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90 * Used to begin launching AMAs (after market application) from a DSC. |
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91 * Returns immediately. The supplied TRequestStatus object is used to signal completion. |
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92 * When the request is completed it will have one of the following values: |
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93 * KErrNone - if the request complete successfully |
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94 * KErrCancel - if the request was cancelled using CAmaStart::CancelStart |
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95 * KErrNotReady - if another asynchronous request is outstanding |
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96 * KErrArgument - if a DSC with the supplied UID does not exist |
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97 * or one of the other system-wide error codes. |
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98 * (Asynchronous) |
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99 * @param aDscId Id of the DSC containing AMAs to be started. |
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100 * @param aRequestStatus Status object to signal completion. |
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101 */ |
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102 EXPORT_C void CAmaStart::Start(const TUid aDscId, TRequestStatus& aRequestStatus) |
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103 { |
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104 aRequestStatus = KRequestPending; |
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105 TRequestStatus* trs = &aRequestStatus; |
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106 if (iClientStatus && *iClientStatus == KRequestPending) |
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107 { |
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108 User::RequestComplete(trs, KErrNotReady); |
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109 return; |
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110 } |
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111 |
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112 iClientStatus = &aRequestStatus; |
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113 TRAPD(err, iAmaStarter->StartL(aDscId, aRequestStatus)); |
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114 if (err != KErrNone) |
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115 { |
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116 //Complete the request with the error code returned |
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117 User::RequestComplete(trs, err); |
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118 return; |
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119 } |
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120 } |
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121 |
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122 /** |
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123 * Cancel's a pending asynchronous StarL request. |
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124 * If there is no request pending, calling thisw method has no effect. |
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125 */ |
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126 EXPORT_C void CAmaStart::CancelStart() |
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127 { |
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128 iAmaStarter->Cancel(); |
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129 } |
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130 |
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131 void CAmaStart::StartDscItemL(const CDscItem& aDscItem) |
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132 { |
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133 //A process to be created inside iStartSafe->StartL(); |
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134 RProcess process; |
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135 CleanupClosePushL(process); |
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136 |
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137 //Number of retries made for starting the process. |
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138 TInt tried = 0; |
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139 |
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140 // start the process |
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141 const CStartupProperties& properties = aDscItem.StartupProperties(); |
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142 iStartSafe->StartL(properties, process, tried); |
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143 DEBUGPRINT2A("CAmaStart::StartDscItemL(): %d times has been retried to start the process successfully", tried); |
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144 |
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145 //monitor the process if indicated |
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146 if (aDscItem.Monitored()) |
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147 { |
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148 TRAPD(error, MonitorProcessL(properties, process)); |
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149 |
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150 //Kill the started process in case of an error as Start and Monitor should be one atomic function. |
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151 if (KErrNone != error) |
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152 { |
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153 process.Kill(error); |
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154 } |
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155 } |
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156 CleanupStack::PopAndDestroy(&process); |
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157 } |
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158 |
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159 void CAmaStart::MonitorProcessL(const CStartupProperties& aProperties, const RProcess& aProcess) |
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160 { |
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161 // first time monitoring, so connect with the SysMon server |
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162 if (KNullHandle == iSysMon.Handle()) |
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163 { |
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164 iSysMon.OpenL(); |
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165 } |
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166 |
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167 // monitor the process |
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168 iSysMon.MonitorL(aProperties, aProcess); |
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169 } |