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1 /* |
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2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: PSM Server session |
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15 * |
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16 */ |
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17 |
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18 |
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19 #include <psmsettingsprovider.h> |
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20 #include "psmmanager.h" |
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21 #include "psmsrvserver.h" |
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22 #include "psmsrvsession.h" |
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23 #include "psmsrvmessage.h" |
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24 #include "psmclientserver.h" |
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25 #include "psmtrace.h" |
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26 |
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27 // ----------------------------------------------------------------------------- |
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28 // CPsmSession::NewL |
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29 // Two-phased constructor. |
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30 // ----------------------------------------------------------------------------- |
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31 // |
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32 CPsmSession* CPsmSession::NewL( CPsmManager& aPsmManager, CPsmSrvServer& aServer ) |
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33 { |
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34 COMPONENT_TRACE( ( _L( "PSM Server - CPsmSession::NewL()" ) ) ); |
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35 |
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36 CPsmSession* self = CPsmSession::NewLC( aPsmManager, aServer ); |
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37 CleanupStack::Pop( self ); |
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38 |
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39 COMPONENT_TRACE( ( _L( "PSM Server - CPsmSession::NewL - return 0x%x" ), self ) ); |
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40 |
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41 return self; |
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42 } |
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43 |
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44 // ----------------------------------------------------------------------------- |
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45 // CPsmSession::NewLC |
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46 // Two-phased constructor. |
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47 // ----------------------------------------------------------------------------- |
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48 // |
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49 CPsmSession* CPsmSession::NewLC( CPsmManager& aPsmManager, CPsmSrvServer& aServer ) |
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50 { |
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51 COMPONENT_TRACE( ( _L( "PSM Server - CPsmSession::NewLC()" ) ) ); |
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52 |
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53 CPsmSession* self = new( ELeave ) CPsmSession( aPsmManager, aServer ); |
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54 |
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55 CleanupStack::PushL( self ); |
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56 self->ConstructL(); |
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57 |
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58 COMPONENT_TRACE( ( _L( "PSM Server - CPsmSession::NewLC - return 0x%x" ), self ) ); |
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59 |
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60 return self; |
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61 } |
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62 |
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63 // ----------------------------------------------------------------------------- |
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64 // CPsmSession::CPsmSession |
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65 // C++ default constructor can NOT contain any code, that |
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66 // might leave. |
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67 // ----------------------------------------------------------------------------- |
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68 // |
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69 CPsmSession::CPsmSession( CPsmManager& aPsmManager, CPsmSrvServer& aServer ) : |
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70 iPsmServer( aServer ), |
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71 iPsmManager( aPsmManager ) |
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72 { |
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73 // Nothing to do |
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74 } |
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75 |
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76 // ----------------------------------------------------------------------------- |
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77 // CPsmSession::ConstructL |
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78 // Symbian 2nd phase constructor can leave. |
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79 // ----------------------------------------------------------------------------- |
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80 // |
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81 void CPsmSession::ConstructL() |
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82 { |
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83 COMPONENT_TRACE( ( _L( "PSM Server - CPsmSession::ConstructL()" ) ) ); |
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84 COMPONENT_TRACE( ( _L( "PSM Server - CPsmSession::ConstructL - return" ) ) ); |
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85 } |
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86 |
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87 // ----------------------------------------------------------------------------- |
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88 // Destructor |
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89 // ----------------------------------------------------------------------------- |
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90 // |
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91 CPsmSession::~CPsmSession() |
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92 { |
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93 COMPONENT_TRACE( ( _L( "PSM Server - CPsmSession::~CPsmSession()" ) ) ); |
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94 |
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95 // Notify server that session is closed |
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96 iPsmServer.SessionClosed(); |
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97 |
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98 // Complete notify message if it is not null |
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99 if ( iNotifyModeMessage ) |
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100 { |
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101 iNotifyModeMessage->Complete( KErrCancel ); |
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102 // Unregister observer from manager |
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103 iPsmManager.UnregisterObserver( iNotifyModeMessage ); |
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104 // Finally delete message |
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105 delete iNotifyModeMessage; |
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106 } |
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107 |
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108 else |
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109 { |
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110 COMPONENT_TRACE( ( _L( "PSM Server - CPsmSession::~CPsmSession - No pending requests") ) ); |
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111 } |
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112 |
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113 // Reset and close config array |
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114 iConfigArray.Reset(); |
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115 iConfigArray.Close(); |
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116 |
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117 COMPONENT_TRACE( ( _L( "PSM Server - CPsmSession::~CPsmSession - return") ) ); |
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118 } |
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119 |
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120 // ----------------------------------------------------------------------------- |
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121 // CPsmSession::ServiceL |
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122 // ----------------------------------------------------------------------------- |
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123 // |
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124 void CPsmSession::ServiceL( const RMessage2& aMessage ) |
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125 { |
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126 COMPONENT_TRACE( ( _L( "PSM Server - CPsmSession::ServiceL()" ) ) ); |
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127 |
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128 TRAPD( error, DispatchL( aMessage ) ); |
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129 |
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130 // Complete message with error code if there were errors |
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131 if ( KErrNone != error ) |
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132 { |
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133 COMPONENT_TRACE( ( _L( "PSM Server - CPsmSession::ServiceL() - Error: %i" ), error ) ); |
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134 aMessage.Complete( error ); |
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135 } |
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136 |
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137 COMPONENT_TRACE( ( _L( "PSM Server - CPsmSession::ServiceL - return" ) ) ); |
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138 } |
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139 |
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140 // ----------------------------------------------------------------------------- |
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141 // CPsmSession::DispatchL |
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142 // ----------------------------------------------------------------------------- |
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143 // |
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144 void CPsmSession::DispatchL( const RMessage2& aMessage ) |
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145 { |
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146 COMPONENT_TRACE( ( _L( "PSM Server - CPsmSession::DispatchL()" ) ) ); |
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147 |
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148 switch ( aMessage.Function() ) |
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149 { |
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150 case EPsmServerNotifyModeChange: // For power save mode change |
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151 { |
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152 TInt mode = aMessage.Int0(); |
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153 if ( !iNotifyModeMessage ) |
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154 { |
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155 // Create message wrapper if not yet created |
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156 iNotifyModeMessage = CPsmMessage::NewL( iPsmManager ); |
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157 iPsmManager.RegisterObserver( iNotifyModeMessage ); |
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158 } |
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159 |
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160 // Check that mode to be set is valid, otherwise error code. |
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161 if( mode == iPsmManager.SettingsProvider().Mode() ) |
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162 { |
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163 User::Leave( KErrAlreadyExists ); |
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164 } |
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165 |
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166 if( ( mode > EPsmsrvPartialMode ) || ( mode < EPsmsrvModeNormal ) ) |
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167 { |
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168 User::Leave( KErrArgument ); |
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169 } |
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170 |
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171 iNotifyModeMessage->Initialize( aMessage ); |
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172 iPsmManager.NotifyPowerSaveModeChangeL( mode ); |
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173 break; |
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174 } |
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175 case EPsmServerChangeSettings: // For PSM settings |
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176 case EPsmServerGetSettings: // For PSM settings |
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177 case EPsmServerBackupSettings: // For PSM settings |
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178 { |
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179 // Check previous config |
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180 if ( iConfigArray.Count() > 0 ) |
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181 { |
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182 iConfigArray.Reset(); |
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183 } |
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184 |
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185 // Handle settings requests in different function |
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186 HandleSettingsRequestL( aMessage ); |
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187 break; |
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188 } |
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189 |
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190 case EPsmServerCancelModeChange: // For cancelling PSM change |
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191 { |
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192 // Cancel PSM change and return previous mode |
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193 if ( iNotifyModeMessage ) |
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194 { |
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195 // Unregister observer from manager |
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196 iPsmManager.UnregisterObserver( iNotifyModeMessage ); |
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197 // Cancel pending message |
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198 iNotifyModeMessage->Complete( KErrCancel ); |
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199 // Finally delete message |
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200 delete iNotifyModeMessage; |
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201 iNotifyModeMessage = NULL; |
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202 } |
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203 |
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204 // Call PsmManager to stop mode change and to go back to previous |
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205 iPsmManager.CancelPowerSaveModeChangeL(); |
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206 // Complete message |
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207 aMessage.Complete( KErrNone ); |
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208 break; |
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209 } |
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210 case EPsmServerModeChangeNotificationRequest: // PSM Change notification request |
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211 { |
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212 if ( !iNotifyModeMessage ) |
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213 { |
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214 // Create message wrapper if not yet created |
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215 iNotifyModeMessage = CPsmMessage::NewL( iPsmManager ); |
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216 iPsmManager.RegisterObserver( iNotifyModeMessage ); |
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217 } |
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218 iNotifyModeMessage->Initialize( aMessage ); |
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219 break; |
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220 } |
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221 case EPsmServerCancelModeChangeNotificationRequest: // For cancelling PSM change notification |
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222 { |
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223 // Cancel PSM change notification request |
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224 if ( iNotifyModeMessage ) |
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225 { |
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226 // Unregister observer from manager |
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227 iPsmManager.UnregisterObserver( iNotifyModeMessage ); |
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228 // Cancel pending message |
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229 iNotifyModeMessage->Complete( KErrCancel ); |
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230 // Finally delete message |
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231 delete iNotifyModeMessage; |
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232 iNotifyModeMessage = NULL; |
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233 } |
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234 // Complete message |
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235 aMessage.Complete( KErrNone ); |
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236 break; |
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237 } |
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238 default: |
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239 { |
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240 COMPONENT_TRACE( ( _L( "PSM Server - CPsmSession::ServiceL() - unknown request: %i - ERROR" ), aMessage.Function() ) ); |
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241 User::Leave( KErrUnknown ); |
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242 } |
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243 } |
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244 |
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245 COMPONENT_TRACE( ( _L( "PSM Server - CPsmSession::DispatchL - return" ) ) ); |
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246 } |
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247 |
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248 // ----------------------------------------------------------------------------- |
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249 // CPsmSession::HandleSettingsRequestL |
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250 // ----------------------------------------------------------------------------- |
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251 // |
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252 void CPsmSession::HandleSettingsRequestL( const RMessage2& aMessage ) |
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253 { |
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254 COMPONENT_TRACE( ( _L( "PSM Server - CPsmSession::HandleSettingsRequestL()" ) ) ); |
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255 |
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256 // read config array from message |
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257 ReadConfigArrayL( iConfigArray, aMessage ); |
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258 // Get storage UID |
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259 TUint32 storage = aMessage.Int2(); |
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260 |
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261 TInt err( KErrNone ); |
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262 |
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263 if ( aMessage.Function() == EPsmServerBackupSettings ) |
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264 { |
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265 iPsmManager.SettingsProvider().BackupSettingsL( iConfigArray, storage ); |
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266 } |
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267 else |
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268 { |
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269 if ( aMessage.Function() == EPsmServerGetSettings ) |
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270 { |
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271 iPsmManager.SettingsProvider().GetSettingsL( iConfigArray, storage ); |
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272 } |
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273 else |
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274 { |
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275 // EPsmServerChangeSettings |
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276 iPsmManager.SettingsProvider().BackupAndGetSettingsL( iConfigArray, storage ); |
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277 } |
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278 |
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279 // We have to write changed values back to message |
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280 TInt arraySize( iConfigArray.Count() * sizeof( TPsmsrvConfigInfo ) ); |
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281 TPtr8 arrayPtr( reinterpret_cast<TUint8*>(&iConfigArray[0]), arraySize, arraySize ); |
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282 err = aMessage.Write( 0, arrayPtr ); |
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283 ERROR_TRACE( ( _L( "PSM Server - CPsmSession::HandleSettingsRequestL - New data wrote to message: %i" ), err ) ); |
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284 } |
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285 // Complete message before destroying local config array |
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286 aMessage.Complete( err ); |
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287 COMPONENT_TRACE( ( _L( "PSM Server - CPsmSession::HandleSettingsRequestL - return" ) ) ); |
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288 } |
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289 |
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290 // ----------------------------------------------------------------------------- |
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291 // CPsmSession::ReadConfigArrayL |
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292 // ----------------------------------------------------------------------------- |
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293 // |
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294 void CPsmSession::ReadConfigArrayL( RConfigInfoArray& aArray, const RMessage2& aMessage ) |
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295 { |
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296 COMPONENT_TRACE( ( _L( "PSM Server - CPsmSession::ReadConfigArrayL()" ) ) ); |
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297 |
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298 const TInt configCount( aMessage.Int1() ); |
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299 TInt arrayLength( configCount * sizeof( TPsmsrvConfigInfo ) ); |
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300 |
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301 // There is no ResizeL() for RArray |
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302 // ReserveL() does not change iCount, which will |
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303 // result array[0] failure (access beyond array index) |
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304 // That is why we fill the array with dummy items |
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305 for(TInt x = 0; x < configCount; ++x ) |
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306 { |
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307 // Append empty config infos to array |
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308 aArray.AppendL( TPsmsrvConfigInfo() ); |
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309 } |
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310 |
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311 TPtr8 arrayPtr( ( TUint8* )&aArray[0], arrayLength, arrayLength ); |
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312 aMessage.ReadL( 0, arrayPtr, 0 ); |
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313 |
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314 COMPONENT_TRACE( ( _L( "PSM Server - CPsmSession::ReadConfigArrayL - return" ) ) ); |
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315 } |
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316 |
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317 // End of file |