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1 /* |
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2 * Copyright (c) 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: Channel condition set object implementation |
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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 "sensrvchannelconditionsetimpl.h" |
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20 #include "sensrvchannelconditionimpl.h" |
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21 #include "sensrvtrace.h" |
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22 #include "sensrvdefines.h" |
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23 |
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24 |
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25 // --------------------------------------------------------------------------- |
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26 // C++ constructor |
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27 // --------------------------------------------------------------------------- |
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28 // |
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29 CSensrvChannelConditionSetImpl::CSensrvChannelConditionSetImpl( |
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30 TSensrvConditionSetType aConditionSetType) |
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31 : iSetType(aConditionSetType), |
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32 iJustAdded(ETrue) |
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33 { |
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34 } |
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35 |
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36 |
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37 // --------------------------------------------------------------------------- |
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38 // 2nd phase of construction |
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39 // --------------------------------------------------------------------------- |
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40 // |
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41 void CSensrvChannelConditionSetImpl::ConstructL() |
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42 { |
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43 COMPONENT_TRACE( ( _L( "Sensrv Util - CSensrvChannelConditionSetImpl::ConstructL()" ) ) ); |
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44 } |
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45 |
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46 |
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47 // --------------------------------------------------------------------------- |
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48 // Destructor |
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49 // --------------------------------------------------------------------------- |
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50 // |
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51 CSensrvChannelConditionSetImpl::~CSensrvChannelConditionSetImpl() |
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52 { |
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53 COMPONENT_TRACE( ( _L( "Sensrv Util - CSensrvChannelConditionSetImpl::~CSensrvChannelConditionSetImpl()" ) ) ); |
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54 |
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55 iConditionList.ResetAndDestroy(); |
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56 delete iMetData; |
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57 } |
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58 |
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59 // --------------------------------------------------------------------------- |
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60 // Return condition set type |
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61 // --------------------------------------------------------------------------- |
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62 // |
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63 TSensrvConditionSetType CSensrvChannelConditionSetImpl::ConditionSetType() const |
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64 { |
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65 return iSetType; |
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66 } |
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67 |
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68 // --------------------------------------------------------------------------- |
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69 // Add channel condition to the condition set. |
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70 // --------------------------------------------------------------------------- |
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71 // |
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72 void CSensrvChannelConditionSetImpl::AddChannelConditionL(CSensrvChannelCondition* aChannelCondition) |
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73 { |
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74 API_TRACE( ( _L( "Sensrv Util - CSensrvChannelConditionSetImpl::AddChannelConditionL(aChannelCondition: 0x%x)" ), aChannelCondition ) ); |
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75 |
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76 if(aChannelCondition) |
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77 { |
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78 TBool newOperatorGreaterThan(EFalse); |
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79 if ( aChannelCondition->ConditionOperator() == ESensrvOperatorGreaterThan |
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80 || aChannelCondition->ConditionOperator() == ESensrvOperatorGreaterThanOrEquals ) |
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81 { |
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82 newOperatorGreaterThan = ETrue; |
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83 } |
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84 |
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85 // Check that this index doesn't already have a condition, or if it has, |
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86 // it is a matching range condition. |
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87 TInt indexCount(0); |
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88 TInt existingIndex(KErrNotFound); |
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89 for(TInt i=0; i< iConditionList.Count(); i++) |
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90 { |
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91 TBool oldOperatorGreaterThan(EFalse); |
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92 if ( iConditionList[i]->ConditionOperator() == ESensrvOperatorGreaterThan |
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93 || iConditionList[i]->ConditionOperator() == ESensrvOperatorGreaterThanOrEquals ) |
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94 { |
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95 oldOperatorGreaterThan = ETrue; |
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96 } |
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97 |
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98 if ( iConditionList[i]->ConditionItemIndex() == aChannelCondition->ConditionItemIndex() ) |
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99 { |
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100 indexCount++; |
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101 existingIndex = i; |
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102 |
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103 if ( |
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104 // Condition types of new and old condition for same index |
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105 // must be a matched pair of range conditions |
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106 // Note: Custom condition types cannot have multi-part conditions. |
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107 // If custom type requires multiple checks for single condition, |
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108 // it needs to define the condition value accordingly. |
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109 !( ( iConditionList[i]->ConditionType() == ESensrvRangeConditionLowerLimit |
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110 && aChannelCondition->ConditionType() == ESensrvRangeConditionUpperLimit ) |
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111 || ( iConditionList[i]->ConditionType() == ESensrvRangeConditionUpperLimit |
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112 && aChannelCondition->ConditionType() == ESensrvRangeConditionLowerLimit ) ) |
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113 // Operators must be different in range conditions |
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114 || oldOperatorGreaterThan == newOperatorGreaterThan |
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115 // Maximum of KSensrvMaxConditionIndexCount (=2) conditions per index |
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116 || indexCount >= KSensrvMaxConditionIndexCount |
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117 ) |
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118 { |
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119 ERROR_TRACE( ( _L( "Sensrv Util - CSensrvChannelConditionSetImpl::AddChannelConditionL - ERROR: Mismatch with existing condition for same index)" ) ) ); |
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120 User::Leave(KErrArgument); |
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121 } |
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122 } |
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123 } // end for |
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124 |
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125 if (!indexCount) |
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126 { |
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127 // New index, just append |
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128 iConditionList.AppendL(aChannelCondition); |
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129 } |
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130 else |
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131 { |
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132 // Second part of range index, always insert after existing condition. |
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133 // Always order range conditions so that lower limit is first |
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134 if ( aChannelCondition->ConditionType() == ESensrvRangeConditionLowerLimit ) |
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135 { |
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136 iConditionList.InsertL(aChannelCondition, existingIndex); |
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137 } |
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138 else if ( aChannelCondition->ConditionType() == ESensrvRangeConditionUpperLimit ) |
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139 { |
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140 iConditionList.InsertL(aChannelCondition, existingIndex+1); |
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141 } |
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142 else |
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143 { |
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144 // Never gets here, unless there is an error |
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145 User::Panic(KSensrvPanicCategory, ESensrvPanicUnexpectedBranch); |
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146 } |
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147 } |
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148 } |
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149 else |
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150 { |
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151 ERROR_TRACE( ( _L( "Sensrv Util - CSensrvChannelConditionSetImpl::AddChannelConditionL - ERROR: NULL condition)" ) ) ); |
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152 User::Leave(KErrArgument); |
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153 } |
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154 } |
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155 |
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156 // --------------------------------------------------------------------------- |
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157 // Get all channel conditions added to this set. |
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158 // --------------------------------------------------------------------------- |
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159 // |
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160 const RSensrvChannelConditionList& CSensrvChannelConditionSetImpl::AllConditions() const |
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161 { |
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162 API_TRACE( ( _L( "Sensrv Util - CSensrvChannelConditionSetImpl::AllConditions()" ) ) ); |
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163 |
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164 return iConditionList; |
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165 } |
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166 |
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167 // --------------------------------------------------------------------------- |
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168 // Check if set is complete. |
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169 // --------------------------------------------------------------------------- |
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170 // |
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171 TBool CSensrvChannelConditionSetImpl::IsComplete() const |
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172 { |
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173 COMPONENT_TRACE( ( _L( "Sensrv Util - CSensrvChannelConditionSetImpl::IsComplete()" ) ) ); |
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174 |
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175 TBool complete(iConditionList.Count() > 0 ? ETrue : EFalse); |
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176 TInt unmatchedIndex(KErrNotFound); |
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177 |
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178 for ( TInt i=0; complete && i < iConditionList.Count(); i++ ) |
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179 { |
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180 // If previous index was unmatched index, compare it to current index. |
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181 // No need to check if current condition is range condition, as it is not |
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182 // possible to add conditions with duplicate indexes unless they are |
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183 // range conditions. |
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184 if ( unmatchedIndex != KErrNotFound ) |
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185 { |
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186 if ( iConditionList[i]->ConditionItemIndex() != unmatchedIndex |
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187 || iConditionList[i]->ConditionType() != ESensrvRangeConditionUpperLimit ) |
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188 { |
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189 complete = EFalse; |
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190 } |
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191 else |
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192 { |
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193 unmatchedIndex = KErrNotFound; |
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194 } |
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195 } |
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196 else if ( iConditionList[i]->ConditionType() == ESensrvRangeConditionLowerLimit ) |
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197 { |
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198 // Next one in array should also be ESensrvRangeConditionUpperLimit with same index, |
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199 // as range conditions are always inserted next to each other, with lower limit |
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200 // being first one. |
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201 unmatchedIndex = iConditionList[i]->ConditionItemIndex(); |
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202 } |
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203 else if ( iConditionList[i]->ConditionType() == ESensrvRangeConditionUpperLimit ) |
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204 { |
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205 complete = EFalse; |
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206 } |
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207 else |
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208 { |
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209 // Do nothing, |
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210 } |
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211 } |
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212 |
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213 // Not complete, if last condition was unmatched |
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214 if ( unmatchedIndex != KErrNotFound ) |
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215 { |
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216 complete = EFalse; |
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217 } |
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218 |
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219 return complete; |
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220 } |
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221 |
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222 // --------------------------------------------------------------------------- |
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223 // Serializes this set to a single buffer that can be sent to server |
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224 // --------------------------------------------------------------------------- |
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225 // |
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226 HBufC8* CSensrvChannelConditionSetImpl::SerializeLC() const |
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227 { |
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228 COMPONENT_TRACE( ( _L( "Sensrv Util - CSensrvChannelConditionSetImpl::SerializeLC()" ) ) ); |
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229 |
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230 TInt setSize(0); |
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231 TInt conditionCount(iConditionList.Count()); |
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232 |
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233 // Calculate the size of serialization buffer needed |
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234 |
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235 setSize += sizeof(TSensrvConditionSetType); // iSetType |
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236 setSize += sizeof(TInt); // iId |
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237 setSize += sizeof(TInt); // iConditionList.Count() |
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238 |
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239 for (TInt i = 0; i < conditionCount; i++ ) // iConditionList |
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240 { |
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241 CSensrvChannelConditionImpl* condImpl = |
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242 static_cast<CSensrvChannelConditionImpl*>(iConditionList[i]); |
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243 |
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244 setSize += sizeof(TSensrvConditionType); // CSensrvChannelCondition::iType |
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245 setSize += sizeof(TSensrvConditionOperator); // CSensrvChannelCondition::iOperator |
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246 setSize += sizeof(TInt); // CSensrvChannelCondition::iIndex |
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247 setSize += sizeof(TInt); // CSensrvChannelCondition::iValue size |
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248 setSize += condImpl->iValue->Size(); // CSensrvChannelCondition::iValue |
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249 } |
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250 |
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251 |
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252 // Note: CSensrvChannelConditionSetImpl::iJustAdded is used only by server, |
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253 // so no need to serialize it |
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254 |
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255 // Note2: CSensrvChannelCondition::iValue size is added in conjunction of each iValue, |
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256 // as there is no guarantee, that iValue actually is a channel data item. |
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257 // Some custom implementations might pass some additional data there, too. |
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258 |
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259 // Create new serialization buffer |
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260 HBufC8* serializedSet = HBufC8::NewLC(setSize); |
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261 |
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262 // Append all relevant set elements to the serialization buffer |
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263 serializedSet->Des().Append(reinterpret_cast<const TUint8*>(&iSetType), sizeof(TSensrvConditionSetType)); |
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264 serializedSet->Des().Append(reinterpret_cast<const TUint8*>(&iId), sizeof(TInt)); |
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265 serializedSet->Des().Append(reinterpret_cast<const TUint8*>(&conditionCount), sizeof(TInt)); |
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266 |
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267 for (TInt i = 0; i < conditionCount; i++ ) |
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268 { |
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269 CSensrvChannelConditionImpl* condImpl = static_cast<CSensrvChannelConditionImpl*>(iConditionList[i]); |
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270 TInt valueSize(condImpl->iValue->Size()); |
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271 serializedSet->Des().Append(reinterpret_cast<const TUint8*>(&(condImpl->iType)), sizeof(TSensrvConditionType)); |
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272 serializedSet->Des().Append(reinterpret_cast<const TUint8*>(&(condImpl->iOperator)), sizeof(TSensrvConditionOperator)); |
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273 serializedSet->Des().Append(reinterpret_cast<const TUint8*>(&(condImpl->iIndex)), sizeof(TInt)); |
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274 serializedSet->Des().Append(reinterpret_cast<const TUint8*>(&valueSize), sizeof(TInt)); |
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275 serializedSet->Des().Append(*(condImpl->iValue)); |
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276 } |
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277 |
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278 COMPONENT_TRACE( ( _L( "Sensrv Util - CSensrvChannelConditionSetImpl::SerializeLC return 0x%x" ), serializedSet ) ); |
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279 |
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280 return serializedSet; |
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281 } |
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282 |
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283 // --------------------------------------------------------------------------- |
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284 // Makes this set a clone of serialized set given in parameter |
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285 // --------------------------------------------------------------------------- |
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286 // |
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287 TInt CSensrvChannelConditionSetImpl::Deserialize( const TDesC8& aSerializedSet ) |
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288 { |
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289 COMPONENT_TRACE( ( _L( "Sensrv Util - CSensrvChannelConditionSetImpl::Deserialize(<input>)" ) ) ); |
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290 |
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291 TInt err(KErrNone); |
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292 |
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293 const TUint8* ptr(aSerializedSet.Ptr()); |
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294 |
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295 // Get iSetType |
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296 iSetType = *reinterpret_cast<const TSensrvConditionSetType*>(ptr); |
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297 ptr += (sizeof(TSensrvConditionSetType)/sizeof(TUint8)); |
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298 |
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299 // Get iId |
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300 iId = *reinterpret_cast<const TInt*>(ptr); |
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301 ptr += (sizeof(TInt)/sizeof(TUint8)); |
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302 |
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303 // Get condition count |
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304 TInt conditionCount = *reinterpret_cast<const TInt*>(ptr); |
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305 ptr += (sizeof(TInt)/sizeof(TUint8)); |
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306 |
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307 for (TInt i = 0; err == KErrNone && i < conditionCount; i++ ) |
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308 { |
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309 // Get CSensrvChannelCondition::iType |
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310 TSensrvConditionType type = *reinterpret_cast<const TSensrvConditionType*>(ptr); |
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311 ptr += (sizeof(TSensrvConditionType)/sizeof(TUint8)); |
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312 |
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313 // Get CSensrvChannelCondition::iOperator |
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314 TSensrvConditionOperator oper = *reinterpret_cast<const TSensrvConditionOperator*>(ptr); |
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315 ptr += (sizeof(TSensrvConditionOperator)/sizeof(TUint8)); |
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316 |
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317 // Get CSensrvChannelCondition::iIndex |
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318 TInt index = *reinterpret_cast<const TInt*>(ptr); |
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319 ptr += (sizeof(TInt)/sizeof(TUint8)); |
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320 |
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321 // Get CSensrvChannelCondition::iValue size |
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322 TInt valueSize = *reinterpret_cast<const TInt*>(ptr); |
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323 ptr += (sizeof(TInt)/sizeof(TUint8)); |
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324 |
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325 // Get CSensrvChannelCondition::iValue |
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326 TPtrC8 value(ptr, valueSize); |
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327 ptr += (valueSize/sizeof(TUint8)); |
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328 |
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329 // Construct new condition and add it to this set |
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330 CSensrvChannelCondition* condition = NULL; |
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331 TRAP( err, condition = CSensrvChannelCondition::NewL(type, oper, index, value ) ); |
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332 |
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333 if( KErrNone == err ) |
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334 { |
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335 TRAP(err, AddChannelConditionL(condition)); |
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336 } |
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337 } |
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338 |
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339 |
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340 COMPONENT_TRACE( ( _L( "Sensrv Util - CSensrvChannelConditionSetImpl::Deserialize - return %d" ), err ) ); |
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341 |
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342 return err; |
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343 } |
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344 |
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345 // --------------------------------------------------------------------------- |
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346 // Set met data. |
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347 // --------------------------------------------------------------------------- |
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348 // |
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349 TInt CSensrvChannelConditionSetImpl::SetMetData( const TDesC8& aMetData ) |
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350 { |
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351 COMPONENT_TRACE( ( _L( "Sensrv Util - CSensrvChannelConditionSetImpl::SetMetData(<input>)" ) ) ); |
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352 |
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353 TInt err(KErrNone); |
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354 |
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355 if (iMetData) |
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356 { |
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357 ERROR_TRACE( ( _L( "Sensrv Util - CSensrvChannelConditionSetImpl::SetMetData - ERROR: Met data already exists" ) ) ); |
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358 err = KErrAlreadyExists; |
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359 } |
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360 else |
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361 { |
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362 iMetData = aMetData.Alloc(); |
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363 |
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364 if (!iMetData) |
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365 { |
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366 ERROR_TRACE( ( _L( "Sensrv Util - CSensrvChannelConditionSetImpl::SetMetData - ERROR: Met data allocation failure" ) ) ); |
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367 err = KErrNoMemory; |
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368 } |
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369 } |
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370 |
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371 COMPONENT_TRACE( ( _L( "Sensrv Util - CSensrvChannelConditionSetImpl::SetMetData - return %d" ), err ) ); |
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372 |
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373 return err; |
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374 } |
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375 |