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1 /* |
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2 * Copyright (c) 2004-2009 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: This class handles all client requests. |
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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 FILES |
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20 #include <s32file.h> |
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21 #include <f32file.h> |
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22 #include "drmcommon.h" |
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23 #include "DRMNotifierSession.h" |
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24 #include "DRMNotifierServer.h" |
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25 #include "drmnotifierclientserver.h" |
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26 #include <e32test.h> |
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27 |
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28 // NAMESPACES |
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29 using namespace DRMNotifier; |
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30 |
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31 // EXTERNAL DATA STRUCTURES |
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32 // EXTERNAL FUNCTION PROTOTYPES |
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33 // CONSTANTS |
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34 |
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35 |
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36 // MACROS |
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37 #ifdef _DRM_TESTING |
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38 #define LOG( a ) ( ( CDRMNotifierServer* )( Server() ) )->Log( a ) |
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39 #else |
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40 #define LOG( a ) |
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41 #endif |
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42 |
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43 // LOCAL CONSTANTS AND MACROS |
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44 |
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45 const TInt KSanityDataLengthLow = 0; |
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46 const TInt KSanityDataLengthHigh = 32768; |
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47 |
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48 // MODULE DATA STRUCTURES |
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49 // DATA TYPES |
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50 // LOCAL FUNCTIONS |
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51 |
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52 |
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53 // ----------------------------------------------------------------------------- |
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54 // SanitizeL |
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55 // Performs a sanity check on length parameters |
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56 // ----------------------------------------------------------------------------- |
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57 // |
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58 LOCAL_C void SanitizeL( TInt aParam ) |
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59 { |
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60 if( aParam <= KSanityDataLengthLow || aParam > KSanityDataLengthHigh ) |
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61 { |
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62 User::Leave(KErrArgument); |
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63 } |
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64 } |
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65 |
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66 // FORWARD DECLARATIONS |
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67 // ============================ MEMBER FUNCTIONS =============================== |
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68 // ----------------------------------------------------------------------------- |
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69 // CDRMNotifierSession::NewLC |
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70 // Two-phased constructor. |
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71 // ----------------------------------------------------------------------------- |
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72 // |
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73 CDRMNotifierSession* CDRMNotifierSession::NewL( CDRMMessageStorage* aStorage) |
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74 { |
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75 CDRMNotifierSession* self = new( ELeave ) CDRMNotifierSession( aStorage ); |
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76 CleanupStack::PushL( self ); |
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77 self->ConstructL(); |
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78 CleanupStack::Pop(); // self |
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79 return self; |
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80 } |
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81 |
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82 // ----------------------------------------------------------------------------- |
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83 // CDRMNotifierSession::~CDRMNotifierSession |
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84 // Destructor. |
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85 // ----------------------------------------------------------------------------- |
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86 // |
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87 CDRMNotifierSession::~CDRMNotifierSession() |
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88 { |
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89 TInt error = KErrNone; |
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90 TInt i = 0; |
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91 |
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92 if( iStorage ) |
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93 { |
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94 TRAP(error, iStorage->CancelL( this ) ); |
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95 } |
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96 |
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97 if(error) |
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98 { |
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99 LOG( _L8( " Something went wrong with Cancelling the notifications " ) ); |
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100 } |
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101 |
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102 for( i = 0; i < iMessageQueue.Count(); i++ ) |
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103 { |
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104 iStorage->UpdateMessage(iMessageQueue[i]); |
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105 } |
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106 |
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107 iMessageQueue.Reset(); |
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108 |
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109 for( i = 0; i < iContentIDList.Count(); i++ ) |
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110 { |
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111 if( iContentIDList[i]->iContentID ) |
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112 { |
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113 delete iContentIDList[i]->iContentID; |
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114 iContentIDList[i]->iContentID = NULL; |
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115 } |
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116 delete iContentIDList[i]; |
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117 iContentIDList[i] = NULL; |
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118 } |
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119 iContentIDList.Reset(); |
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120 |
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121 LOG( _L8( "Notifier session closed." ) ); |
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122 } |
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123 |
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124 |
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125 |
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126 // ----------------------------------------------------------------------------- |
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127 // CDRMNotifierSession::SendNotificationL |
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128 // This method sends a notification to the client or if it's not active adds it |
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129 // to the queue and the next time a registration happens the client will get |
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130 // notified. |
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131 // ----------------------------------------------------------------------------- |
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132 // |
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133 TBool CDRMNotifierSession::SendNotificationL( CDRMMessageStorage::TMessageData* aMessage ) |
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134 { |
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135 if( !CanNotify( aMessage ) ) |
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136 { |
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137 User::Leave(KErrNotFound); |
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138 } |
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139 |
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140 if( !iIsListening || iMessageQueue.Count() ) |
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141 { |
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142 iMessageQueue.Append( aMessage ); |
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143 return ETrue; |
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144 } |
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145 NotifyL( aMessage, EFalse ); |
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146 return EFalse; |
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147 } |
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148 |
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149 // ----------------------------------------------------------------------------- |
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150 // CDRMNotifierSession::ServiceL |
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151 // This method runs DispatchL() under TRAP harness, since every error case |
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152 // can be handled ==> no need to let this function leave. |
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153 // ----------------------------------------------------------------------------- |
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154 // |
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155 void CDRMNotifierSession::ServiceL( const RMessage2& aMessage ) |
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156 { |
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157 LOG( _L8( "ServiceL called" ) ); |
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158 // Trap possible errors... |
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159 |
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160 TRAPD( error, DispatchL( aMessage ) ); |
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161 |
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162 if ( error ) |
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163 { |
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164 LOG( _L8( "DispatcL threw an exception" ) ); |
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165 // ...and complete the request in case of an error. |
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166 aMessage.Complete( error ); |
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167 return; |
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168 } |
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169 |
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170 // The message has already completed successfully. |
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171 LOG( _L8( "DispatchL completed successfully" ) ); |
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172 } |
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173 |
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174 // ----------------------------------------------------------------------------- |
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175 // CDRMNotifierSession::CDRMNotifierSession |
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176 // Default constructor. |
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177 // ----------------------------------------------------------------------------- |
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178 // |
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179 CDRMNotifierSession::CDRMNotifierSession( CDRMMessageStorage* aStorage ) : |
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180 // Base class' constructor is called first. |
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181 iStorage( aStorage ) |
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182 { |
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183 // Nothing. |
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184 } |
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185 |
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186 // ----------------------------------------------------------------------------- |
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187 // CDRMNotifierSession::ConstructL |
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188 // Second phase constructor. Initializes the log tool in DRM internal testing. |
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189 // ----------------------------------------------------------------------------- |
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190 // |
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191 void CDRMNotifierSession::ConstructL() |
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192 { |
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193 } |
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194 |
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195 // ----------------------------------------------------------------------------- |
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196 // CDRMNotifierSession::DispatchL |
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197 // Checks which command the user requested, and forwards the request to |
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198 // appropriate private method. This helps to keep the code more readable. |
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199 // ----------------------------------------------------------------------------- |
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200 // |
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201 void CDRMNotifierSession::DispatchL( const RMessage2& aMessage ) |
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202 { |
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203 RDebug::Printf(">>> [%s] %d", _S8(__PRETTY_FUNCTION__), aMessage.Function()); |
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204 switch ( aMessage.Function() ) |
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205 { |
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206 case ENotifyClients: |
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207 NotifyClientsL( aMessage ); |
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208 break; |
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209 case ERecieveNotification: |
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210 RecieveNotificationL( aMessage ); |
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211 break; |
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212 case ECancelNotification: |
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213 CancelNotificationL( aMessage ); |
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214 break; |
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215 case ERegister: |
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216 RegisterL( aMessage ); |
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217 break; |
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218 case EUnRegister: |
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219 UnRegisterL( aMessage ); |
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220 break; |
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221 case ERegisterURI: |
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222 RegisterURIL( aMessage ); |
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223 break; |
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224 case EUnRegisterURI: |
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225 UnRegisterURIL( aMessage ); |
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226 break; |
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227 default: |
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228 LOG( _L8( "DispatchL: Invalid command" ) ); |
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229 User::Leave( KErrNotSupported ); |
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230 } |
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231 } |
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232 |
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233 // ----------------------------------------------------------------------------- |
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234 // CDRMNotifierSession::NotifyClientsL |
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235 // ----------------------------------------------------------------------------- |
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236 // |
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237 void CDRMNotifierSession::NotifyClientsL( const RMessage2& aMessage ) |
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238 { |
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239 LOG( _L8( "NotifyClientsL" ) ); |
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240 TDRMEventType eventType; |
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241 |
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242 eventType = aMessage.Int1(); |
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243 |
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244 iStorage->NotifyL(eventType,aMessage); |
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245 |
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246 aMessage.Complete( KErrNone ); |
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247 } |
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248 |
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249 // ----------------------------------------------------------------------------- |
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250 // CDRMNotifierSession::RecieveNotificationL |
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251 // ----------------------------------------------------------------------------- |
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252 // |
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253 void CDRMNotifierSession::RecieveNotificationL( const RMessage2& aMessage ) |
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254 { |
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255 LOG( _L8( "RecieveNotificationL" ) ); |
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256 TInt error = KErrNone; |
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257 TPckg<TInt> package(0); |
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258 TDRMEventType eventType; |
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259 |
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260 package.Set(reinterpret_cast<TUint8*>(&eventType),sizeof(TDRMEventType),sizeof(TDRMEventType)); |
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261 TRAP(error, aMessage.ReadL(1, package)); |
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262 |
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263 // Set the status of listening |
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264 iIsListening = ETrue; |
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265 |
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266 // Set this to message as listener |
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267 iListener = aMessage; |
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268 |
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269 if( !iIsInStorage ) |
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270 { |
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271 iIsInStorage = ETrue; |
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272 iStorage->AddSession( this ); |
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273 } |
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274 |
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275 // Check if there are any notifications in queue if so process first one |
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276 if( iMessageQueue.Count() ) |
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277 { |
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278 NotifyL( iMessageQueue[0], ETrue ); |
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279 } |
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280 |
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281 // Message complete will be set elsewhere. |
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282 // All done. |
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283 } |
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284 |
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285 // ----------------------------------------------------------------------------- |
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286 // CDRMNotifierSession::CancelNotificationL |
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287 // ----------------------------------------------------------------------------- |
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288 // |
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289 void CDRMNotifierSession::CancelNotificationL( const RMessage2& aMessage ) |
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290 { |
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291 LOG( _L8( "CancelNotificationL" ) ); |
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292 TInt error = KErrNone; |
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293 TInt i = 0; |
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294 |
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295 TRAP(error, iStorage->CancelL( this ) ); |
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296 if( error && error != KErrNotFound ) |
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297 { |
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298 LOG( _L8( "CDRMNotifierSession:: Something went wrong with Cancelling the notifications " ) ); |
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299 } |
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300 |
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301 for( i = 0; i < iMessageQueue.Count(); i++ ) |
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302 { |
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303 iStorage->UpdateMessage(iMessageQueue[i]); |
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304 } |
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305 iMessageQueue.Reset(); |
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306 |
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307 for( i = 0; i < iContentIDList.Count(); i++ ) |
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308 { |
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309 if( iContentIDList[i]->iContentID ) |
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310 { |
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311 delete iContentIDList[i]->iContentID; |
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312 iContentIDList[i]->iContentID = NULL; |
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313 } |
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314 delete iContentIDList[i]; |
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315 iContentIDList[i] = NULL; |
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316 } |
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317 iContentIDList.Reset(); |
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318 |
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319 iIsInStorage = EFalse; |
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320 |
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321 iIsListening = EFalse; |
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322 |
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323 if ( !iListener.IsNull() ) |
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324 { |
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325 iListener.Complete( KErrCancel ); |
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326 } |
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327 |
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328 aMessage.Complete( KErrNone ); |
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329 } |
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330 // ----------------------------------------------------------------------------- |
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331 // CDRMNotifierSession::RegisterURIL |
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332 // Get the information from the client, construct a rights object, and add |
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333 // it to the database. |
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334 // ----------------------------------------------------------------------------- |
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335 // |
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336 void CDRMNotifierSession::RegisterL( const RMessage2& aMessage ) |
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337 { |
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338 LOG( _L8( "RegisterL" ) ); |
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339 TPckg<TInt> package(0); |
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340 TDRMEventType eventType = 0; |
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341 TContentData* content = 0; |
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342 |
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343 package.Set(reinterpret_cast<TUint8*>(&eventType),sizeof(TDRMEventType),sizeof(TDRMEventType)); |
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344 aMessage.ReadL(0, package); |
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345 |
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346 content = new (ELeave) TContentData; |
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347 |
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348 content->iContentID = NULL; |
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349 content->iEventType = eventType; |
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350 |
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351 iContentIDList.Append( content ); |
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352 |
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353 aMessage.Complete( KErrNone ); |
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354 } |
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355 |
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356 // ----------------------------------------------------------------------------- |
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357 // CDRMNotifierSession::UnRegisterURIL |
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358 // Get the information from the client, construct a rights object, and add |
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359 // it to the database. |
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360 // ----------------------------------------------------------------------------- |
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361 // |
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362 void CDRMNotifierSession::UnRegisterL( const RMessage2& aMessage ) |
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363 { |
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364 LOG( _L8( "UnRegisterL" ) ); |
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365 TPckg<TInt> package(0); |
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366 TDRMEventType eventType = 0; |
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367 |
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368 package.Set(reinterpret_cast<TUint8*>(&eventType),sizeof(TDRMEventType),sizeof(TDRMEventType)); |
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369 aMessage.ReadL(0, package); |
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370 |
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371 for( TInt i = 0; i < iContentIDList.Count(); i++ ) |
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372 { |
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373 if( !iContentIDList[i]->iContentID && |
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374 iContentIDList[i]->iEventType == eventType ) |
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375 { |
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376 delete iContentIDList[i]; |
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377 iContentIDList[i] = NULL; |
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378 |
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379 iContentIDList.Remove(i); |
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380 break; |
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381 } |
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382 } |
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383 |
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384 aMessage.Complete( KErrNone ); |
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385 } |
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386 |
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387 // ----------------------------------------------------------------------------- |
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388 // CDRMNotifierSession::RegisterURIL |
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389 // ----------------------------------------------------------------------------- |
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390 // |
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391 void CDRMNotifierSession::RegisterURIL( const RMessage2& aMessage ) |
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392 { |
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393 LOG( _L8( "RegisterURIL" ) ); |
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394 TPckg<TInt> package(0); |
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395 TDRMEventType eventType = 0; |
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396 TContentData* content = 0; |
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397 TInt length = 0; |
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398 |
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399 HBufC8* contentID = 0; |
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400 TPtr8 packageData(NULL,0); |
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401 |
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402 length = aMessage.GetDesLength(0); |
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403 |
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404 SanitizeL( length ); |
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405 |
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406 contentID = HBufC8::NewLC(length); |
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407 packageData.Set(contentID->Des()); |
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408 |
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409 aMessage.ReadL(0, packageData); |
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410 |
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411 package.Set(reinterpret_cast<TUint8*>(&eventType),sizeof(TDRMEventType),sizeof(TDRMEventType)); |
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412 aMessage.ReadL(1, package); |
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413 |
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414 content = new (ELeave) TContentData; |
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415 |
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416 content->iContentID = contentID; |
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417 content->iEventType = eventType; |
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418 |
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419 iContentIDList.Append( content ); |
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420 |
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421 CleanupStack::Pop(); |
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422 aMessage.Complete( KErrNone ); |
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423 } |
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424 |
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425 // ----------------------------------------------------------------------------- |
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426 // CDRMNotifierSession::UnRegisterURIL |
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427 // ----------------------------------------------------------------------------- |
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428 // |
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429 void CDRMNotifierSession::UnRegisterURIL( const RMessage2& aMessage ) |
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430 { |
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431 LOG( _L8( "UnRegisterURIL" ) ); |
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432 TPckg<TInt> package(0); |
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433 TDRMEventType eventType = 0; |
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434 TInt length = 0; |
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435 |
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436 HBufC8* contentID = 0; |
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437 TPtr8 packageData(NULL,0); |
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438 |
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439 length = aMessage.GetDesLength(0); |
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440 |
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441 SanitizeL( length ); |
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442 |
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443 contentID = HBufC8::NewLC(length); |
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444 packageData.Set(contentID->Des()); |
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445 |
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446 aMessage.ReadL(0, packageData); |
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447 |
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448 package.Set(reinterpret_cast<TUint8*>(&eventType),sizeof(TDRMEventType),sizeof(TDRMEventType)); |
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449 aMessage.ReadL(1, package); |
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450 |
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451 for( TInt i = 0; i < iContentIDList.Count(); i++ ) |
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452 { |
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453 if( iContentIDList[i]->iContentID && |
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454 iContentIDList[i]->iEventType == eventType && |
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455 !iContentIDList[i]->iContentID->Compare( contentID->Des() ) ) |
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456 { |
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457 if( iContentIDList[i]->iContentID ) |
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458 { |
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459 delete iContentIDList[i]->iContentID; |
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460 iContentIDList[i]->iContentID = NULL; |
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461 } |
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462 delete iContentIDList[i]; |
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463 iContentIDList[i] = NULL; |
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464 |
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465 iContentIDList.Remove(i); |
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466 break; |
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467 } |
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468 } |
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469 CleanupStack::PopAndDestroy(); |
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470 aMessage.Complete( KErrNone ); |
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471 } |
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472 |
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473 |
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474 // ----------------------------------------------------------------------------- |
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475 // CDRMNotifierSession::NotifyL |
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476 // ----------------------------------------------------------------------------- |
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477 // |
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478 void CDRMNotifierSession::NotifyL( CDRMMessageStorage::TMessageData *aMessage, TBool aFromQueue ) |
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479 { |
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480 LOG( _L8( "NotifyL" ) ); |
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481 TPtr8 data( reinterpret_cast<TUint8*>(&aMessage->iEventType), |
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482 sizeof(TDRMEventType), |
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483 sizeof(TDRMEventType)); |
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484 TPtr8 event( aMessage->iMessageData, DRMNotifier::KDRMSizeOfMessage, |
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485 DRMNotifier::KDRMSizeOfMessage ); |
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486 |
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487 iListener.WriteL(0, event); |
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488 iListener.WriteL(1, data); |
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489 |
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490 iListener.Complete( KErrNone ); |
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491 |
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492 // Remove the message from the queue |
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493 if( aFromQueue ) |
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494 { |
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495 // Reduce the counter and release the message if needed |
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496 iStorage->UpdateMessage( aMessage ); |
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497 |
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498 iMessageQueue.Remove(0); |
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499 } |
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500 iIsListening = EFalse; |
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501 } |
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502 // ----------------------------------------------------------------------------- |
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503 // CDRMNotifierSession::CanNotifyL |
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504 // ----------------------------------------------------------------------------- |
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505 // |
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506 TBool CDRMNotifierSession::CanNotify( CDRMMessageStorage::TMessageData *aMessage ) |
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507 { |
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508 for( TInt i = 0; i < iContentIDList.Count(); i++ ) |
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509 { |
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510 if( iContentIDList[i]->iEventType == aMessage->iEventType && |
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511 (!iContentIDList[i]->iContentID || |
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512 !iContentIDList[i]->iContentID->Compare( aMessage->iData->Des() ) ) ) |
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513 { |
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514 return ETrue; |
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515 } |
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516 } |
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517 return EFalse; |
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518 } |
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519 |
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520 // ========================== OTHER EXPORTED FUNCTIONS ========================= |
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521 // End of File |