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1 /* |
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2 * Copyright (c) 2006-2006 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: Defines a session with the preset server |
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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 <pscommon.h> |
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20 #include <s32mem.h> |
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21 |
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22 #include "psdebug.h" |
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23 #include "psserver.h" |
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24 #include "pssession.h" |
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25 |
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26 // ======== LOCAL FUNCTIONS ======== |
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27 |
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28 // ======== MEMBER FUNCTIONS ======== |
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29 |
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30 // --------------------------------------------------------------------------- |
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31 // Two-phased constructor. |
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32 // --------------------------------------------------------------------------- |
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33 // |
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34 CPSSession* CPSSession::NewL( CPSServer& aServer ) |
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35 { |
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36 CPSSession* self = new ( ELeave ) CPSSession( aServer ); |
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37 CleanupStack::PushL( self ); |
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38 self->ConstructL(); |
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39 CleanupStack::Pop( self ); |
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40 return self; |
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41 } |
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42 |
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43 // --------------------------------------------------------------------------- |
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44 // Constructor. |
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45 // --------------------------------------------------------------------------- |
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46 // |
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47 CPSSession::CPSSession( CPSServer& aServer ) |
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48 : CSession2(), iPresetServer( aServer ) |
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49 { |
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50 } |
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51 |
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52 // --------------------------------------------------------------------------- |
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53 // Second-phase constructor. |
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54 // --------------------------------------------------------------------------- |
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55 // |
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56 void CPSSession::ConstructL() |
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57 { |
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58 iPresetServer.IncrementSessionCount(); |
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59 } |
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60 |
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61 // --------------------------------------------------------------------------- |
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62 // Destructor. |
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63 // --------------------------------------------------------------------------- |
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64 // |
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65 CPSSession::~CPSSession() |
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66 { |
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67 iPresetServer.DecrementSessionCount(); |
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68 } |
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69 |
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70 // --------------------------------------------------------------------------- |
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71 // From class CSession2 |
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72 // Invoked when a service request is made. |
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73 // --------------------------------------------------------------------------- |
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74 // |
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75 void CPSSession::ServiceL( const RMessage2& aMessage ) |
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76 { |
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77 PSDEBUG2( "CPSSession::ServiceL >> OpCode = %d", static_cast<TInt>( aMessage.Function() ) ); |
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78 |
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79 TBool messageHandled = ETrue; |
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80 |
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81 TRAPD( err, messageHandled = DoServiceL( aMessage ) ) |
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82 |
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83 if ( messageHandled && !aMessage.IsNull() ) |
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84 { |
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85 PSDEBUG2( "\tMessage was handled >> err = %d", err ); |
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86 aMessage.Complete( err ); |
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87 } |
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88 |
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89 PSDEBUG( "CPSSession::ServiceL <<" ); |
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90 } |
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91 |
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92 // --------------------------------------------------------------------------- |
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93 // Service request implementation. |
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94 // --------------------------------------------------------------------------- |
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95 // |
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96 TBool CPSSession::DoServiceL( const RMessage2& aMessage ) |
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97 { |
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98 TPSOpCode opCode = static_cast<TPSOpCode>( aMessage.Function() ); |
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99 TBool messageHandled = ETrue; |
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100 |
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101 switch ( opCode ) |
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102 { |
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103 case EPSOpCreatePreset: |
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104 CreatePresetL( aMessage ); |
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105 break; |
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106 case EPSOpDeletePreset: |
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107 DeletePresetL( aMessage ); |
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108 break; |
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109 case EPSOpStartTransaction: |
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110 StartTransactionL( aMessage ); |
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111 break; |
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112 case EPSOpCommitTransaction: |
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113 CommitTransactionL( aMessage ); |
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114 break; |
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115 case EPSOpRollbackTransaction: |
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116 RollbackTransaction( aMessage ); |
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117 break; |
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118 case EPSOpMovePreset: |
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119 MovePresetL( aMessage ); |
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120 break; |
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121 case EPSOpNotify: |
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122 NotifyPresetChangeL( aMessage ); |
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123 messageHandled = EFalse; |
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124 break; |
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125 case EPSOpCancelNotify: |
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126 CancelNotifyPresetChange( aMessage ); |
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127 break; |
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128 case EPSOpSetPresetName: |
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129 SetPresetNameL( aMessage ); |
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130 break; |
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131 case EPSOpSetPresetIndex: |
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132 SetPresetIndexL( aMessage ); |
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133 break; |
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134 case EPSOpSetPresetData: |
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135 SetPresetDataL( aMessage ); |
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136 break; |
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137 case EPSOpGetPresetName: |
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138 GetPresetNameL( aMessage ); |
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139 break; |
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140 case EPSOpGetPresetNameLength: |
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141 GetPresetNameLengthL( aMessage ); |
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142 break; |
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143 case EPSOpGetPresetIndex: |
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144 GetPresetIndexL( aMessage ); |
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145 break; |
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146 case EPSOpGetPresetDataHandler: |
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147 GetPresetDataHandlerL( aMessage ); |
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148 break; |
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149 case EPSOpGetPresetData: |
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150 GetPresetDataL( aMessage ); |
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151 break; |
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152 case EPSOpGetPresetDataLength: |
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153 GetPresetDataLengthL( aMessage ); |
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154 break; |
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155 case EPSOpGetPresets: |
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156 GetPresetsL( aMessage ); |
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157 break; |
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158 case EPSOpGetPresetsLength: |
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159 GetPresetsLengthL( aMessage ); |
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160 break; |
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161 default: |
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162 iPresetServer.PanicClient( KErrArgument ); |
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163 break; |
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164 } |
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165 |
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166 return messageHandled; |
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167 } |
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168 |
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169 // --------------------------------------------------------------------------- |
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170 // From class CSession2 |
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171 // Invoked when a session is disconnected. |
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172 // --------------------------------------------------------------------------- |
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173 // |
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174 void CPSSession::Disconnect(const RMessage2 &aMessage) |
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175 { |
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176 iPresetServer.SessionDisconnected( aMessage ); |
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177 |
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178 CSession2::Disconnect( aMessage ); |
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179 } |
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180 |
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181 // --------------------------------------------------------------------------- |
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182 // Handles a create preset message. |
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183 // --------------------------------------------------------------------------- |
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184 // |
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185 void CPSSession::CreatePresetL( const RMessage2& aMessage ) |
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186 { |
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187 TInt id = iPresetServer.Database().CreatePresetL( aMessage.Int0(), TUid::Uid( aMessage.Int1() ) ); |
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188 TPckgBuf<TInt> idBuf( id ); |
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189 aMessage.WriteL( 2, idBuf ); |
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190 } |
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191 |
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192 // --------------------------------------------------------------------------- |
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193 // Handles a delete preset message. |
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194 // --------------------------------------------------------------------------- |
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195 // |
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196 void CPSSession::DeletePresetL( const RMessage2& aMessage ) |
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197 { |
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198 iPresetServer.Database().DeletePresetL( aMessage.Int0() ); |
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199 } |
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200 |
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201 // --------------------------------------------------------------------------- |
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202 // Handles a start transaction message. |
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203 // --------------------------------------------------------------------------- |
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204 // |
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205 void CPSSession::StartTransactionL( const RMessage2& aMessage ) |
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206 { |
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207 iPresetServer.AppendPendingPresetL( aMessage.Int0() ); |
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208 } |
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209 |
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210 // --------------------------------------------------------------------------- |
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211 // Handles a commit transaction message. |
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212 // --------------------------------------------------------------------------- |
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213 // |
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214 void CPSSession::CommitTransactionL( const RMessage2& aMessage ) |
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215 { |
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216 iPresetServer.CommitPendingPresetL( aMessage.Int0() ); |
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217 } |
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218 |
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219 // --------------------------------------------------------------------------- |
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220 // Handles a rollback transaction message. |
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221 // --------------------------------------------------------------------------- |
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222 // |
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223 void CPSSession::RollbackTransaction( const RMessage2& aMessage ) |
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224 { |
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225 iPresetServer.RemovePendingPreset( aMessage.Int0() ); |
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226 } |
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227 |
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228 // --------------------------------------------------------------------------- |
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229 // Handles a move preset message. |
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230 // --------------------------------------------------------------------------- |
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231 // |
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232 void CPSSession::MovePresetL( const RMessage2& aMessage ) |
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233 { |
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234 iPresetServer.Database().MovePresetL( aMessage.Int0(), aMessage.Int1() ); |
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235 } |
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236 |
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237 // --------------------------------------------------------------------------- |
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238 // Handles a notify preset change message. |
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239 // --------------------------------------------------------------------------- |
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240 // |
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241 void CPSSession::NotifyPresetChangeL( const RMessage2& aMessage ) |
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242 { |
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243 iPresetServer.AppendPresetObserverL( aMessage ); |
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244 } |
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245 |
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246 // --------------------------------------------------------------------------- |
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247 // Handles a cancel notify preset change message. |
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248 // --------------------------------------------------------------------------- |
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249 // |
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250 void CPSSession::CancelNotifyPresetChange( const RMessage2& aMessage ) |
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251 { |
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252 iPresetServer.RemovePresetObserver( aMessage ); |
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253 } |
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254 |
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255 // --------------------------------------------------------------------------- |
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256 // Handles a set preset name message. |
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257 // --------------------------------------------------------------------------- |
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258 // |
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259 void CPSSession::SetPresetNameL( const RMessage2& aMessage ) |
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260 { |
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261 HBufC* name = HBufC::NewLC( aMessage.GetDesLengthL( 1 ) ); |
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262 TPtr namePtr( name->Des() ); |
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263 aMessage.ReadL( 1, namePtr ); |
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264 iPresetServer.SetPendingPresetNameL( aMessage.Int0(), namePtr ); |
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265 CleanupStack::PopAndDestroy( name ); |
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266 } |
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267 |
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268 // --------------------------------------------------------------------------- |
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269 // Handles a set preset index message. |
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270 // --------------------------------------------------------------------------- |
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271 // |
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272 void CPSSession::SetPresetIndexL( const RMessage2& aMessage ) |
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273 { |
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274 iPresetServer.SetPendingPresetIndexL( aMessage.Int0(), aMessage.Int1() ); |
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275 } |
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276 |
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277 // --------------------------------------------------------------------------- |
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278 // Handles a set preset data message. |
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279 // --------------------------------------------------------------------------- |
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280 // |
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281 void CPSSession::SetPresetDataL( const RMessage2& aMessage ) |
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282 { |
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283 HBufC8* data = HBufC8::NewLC( aMessage.GetDesLengthL( 1 ) ); |
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284 TPtr8 dataPtr( data->Des() ); |
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285 aMessage.ReadL( 1, dataPtr ); |
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286 iPresetServer.SetPendingPresetDataL( aMessage.Int0(), dataPtr ); |
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287 CleanupStack::PopAndDestroy( data ); |
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288 } |
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289 |
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290 // --------------------------------------------------------------------------- |
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291 // Handles a get preset name message. |
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292 // --------------------------------------------------------------------------- |
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293 // |
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294 void CPSSession::GetPresetNameL( const RMessage2& aMessage ) |
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295 { |
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296 HBufC* name = iPresetServer.Database().PresetNameL( aMessage.Int0() ); |
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297 CleanupStack::PushL( name ); |
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298 aMessage.WriteL( 1, *name ); |
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299 CleanupStack::PopAndDestroy( name ); |
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300 } |
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301 |
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302 // --------------------------------------------------------------------------- |
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303 // Handles a get preset name length message. |
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304 // --------------------------------------------------------------------------- |
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305 // |
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306 void CPSSession::GetPresetNameLengthL( const RMessage2& aMessage ) |
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307 { |
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308 TInt length = iPresetServer.Database().PresetNameLengthL( aMessage.Int0() ); |
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309 TPckgBuf<TInt> pckg( length ); |
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310 aMessage.WriteL( 1, pckg ); |
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311 } |
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312 |
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313 // --------------------------------------------------------------------------- |
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314 // Handles a get preset index message. |
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315 // --------------------------------------------------------------------------- |
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316 // |
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317 void CPSSession::GetPresetIndexL( const RMessage2& aMessage ) |
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318 { |
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319 TPckgBuf<TInt> pckg( iPresetServer.Database().PresetIndexL( aMessage.Int0() ) ); |
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320 aMessage.WriteL( 1, pckg ); |
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321 } |
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322 |
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323 // --------------------------------------------------------------------------- |
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324 // Handles a get preset data handler message. |
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325 // --------------------------------------------------------------------------- |
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326 // |
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327 void CPSSession::GetPresetDataHandlerL( const RMessage2& aMessage ) |
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328 { |
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329 TPckgBuf<TInt> pckg( iPresetServer.Database().PresetDataHandlerL( aMessage.Int0() ).iUid ); |
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330 aMessage.WriteL( 1, pckg ); |
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331 } |
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332 |
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333 // --------------------------------------------------------------------------- |
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334 // Handles a get preset data message. |
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335 // --------------------------------------------------------------------------- |
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336 // |
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337 void CPSSession::GetPresetDataL( const RMessage2& aMessage ) |
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338 { |
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339 HBufC8* data = iPresetServer.Database().PresetDataL( aMessage.Int0() ); |
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340 CleanupStack::PushL( data ); |
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341 aMessage.WriteL( 1, *data ); |
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342 CleanupStack::PopAndDestroy( data ); |
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343 } |
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344 |
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345 // --------------------------------------------------------------------------- |
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346 // Handles a get preset data length message. |
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347 // --------------------------------------------------------------------------- |
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348 // |
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349 void CPSSession::GetPresetDataLengthL( const RMessage2& aMessage ) |
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350 { |
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351 TInt length = iPresetServer.Database().PresetDataLengthL( aMessage.Int0() ); |
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352 TPckgBuf<TInt> pckg( length ); |
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353 aMessage.WriteL( 1, pckg ); |
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354 } |
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355 |
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356 // --------------------------------------------------------------------------- |
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357 // Handles a get presets message. |
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358 // --------------------------------------------------------------------------- |
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359 // |
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360 void CPSSession::GetPresetsL( const RMessage2& aMessage ) |
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361 { |
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362 RArray<TInt> presets; |
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363 CleanupClosePushL( presets ); |
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364 |
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365 iPresetServer.Database().GetPresetListL( presets, TUid::Uid( aMessage.Int0() ) ); |
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366 |
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367 TInt count = presets.Count(); |
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368 |
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369 HBufC8* buf = HBufC8::NewLC( (presets.Count() + 1) * KDefaultRealWidth ); |
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370 TPtr8 ptr( buf->Des() ); |
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371 |
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372 RDesWriteStream stream( ptr ); |
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373 CleanupClosePushL( stream ); |
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374 |
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375 stream << TCardinality( count ); |
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376 |
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377 for ( TInt i = 0; i < count; i++ ) |
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378 { |
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379 stream.WriteInt32L( presets[i] ); |
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380 } |
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381 |
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382 stream.CommitL(); |
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383 |
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384 aMessage.WriteL( 1, *buf ); |
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385 |
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386 CleanupStack::PopAndDestroy( 3, &presets ); |
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387 } |
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388 |
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389 // --------------------------------------------------------------------------- |
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390 // Handles a get presets length message. |
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391 // --------------------------------------------------------------------------- |
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392 // |
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393 void CPSSession::GetPresetsLengthL( const RMessage2& aMessage ) |
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394 { |
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395 RArray<TInt> presets; |
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396 CleanupClosePushL( presets ); |
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397 |
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398 iPresetServer.Database().GetPresetListL( presets, TUid::Uid( aMessage.Int0() ) ); |
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399 |
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400 aMessage.WriteL( 1, TPckgC<TInt>( (presets.Count() + 1) * KDefaultRealWidth ) ); |
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401 |
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402 CleanupStack::PopAndDestroy( &presets ); |
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403 } |
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404 |
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405 // ======== GLOBAL FUNCTIONS ======== |