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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: Helper class for SDP database management. |
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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 |
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20 #include <btsdp.h> |
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21 #include <btengsdp.rsg> |
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22 #include <barsread.h> |
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23 #include <barsc.h> |
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24 #include <data_caging_path_literals.hrh> |
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25 |
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26 #include "btengsdpdbhandler.h" |
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27 #include "btengsdp.hrh" |
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28 #include "debug.h" |
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29 |
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30 _LIT( KBTEngSdpResourceFile, "btengsdp.rsc"); |
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31 _LIT( KDriveZ, "z:"); |
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32 _LIT8( KHex, "0x"); |
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33 const TInt KMaxServiceDesLength = 64; |
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34 const TInt KNumberOfChars = 8; |
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35 |
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36 |
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37 // ======== MEMBER FUNCTIONS ======== |
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38 |
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39 // --------------------------------------------------------------------------- |
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40 // C++ default constructor |
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41 // --------------------------------------------------------------------------- |
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42 // |
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43 CBTEngSdpDbHandler::CBTEngSdpDbHandler() |
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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 // --------------------------------------------------------------------------- |
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49 // Symbian 2nd-phase constructor |
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50 // --------------------------------------------------------------------------- |
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51 // |
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52 void CBTEngSdpDbHandler::ConstructL() |
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53 { |
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54 TRACE_FUNC_ENTRY |
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55 User::LeaveIfError( iSdp.Connect() ); |
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56 User::LeaveIfError( iDb.Open( iSdp ) ); |
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57 TRACE_FUNC_EXIT |
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58 } |
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59 |
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60 |
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61 // --------------------------------------------------------------------------- |
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62 // NewL |
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63 // --------------------------------------------------------------------------- |
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64 // |
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65 CBTEngSdpDbHandler* CBTEngSdpDbHandler::NewL() |
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66 { |
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67 CBTEngSdpDbHandler* self = new( ELeave ) CBTEngSdpDbHandler(); |
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68 CleanupStack::PushL( self ); |
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69 self->ConstructL(); |
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70 CleanupStack::Pop( self ); |
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71 return self; |
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72 } |
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73 |
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74 |
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75 // --------------------------------------------------------------------------- |
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76 // Destructor |
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77 // --------------------------------------------------------------------------- |
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78 // |
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79 CBTEngSdpDbHandler::~CBTEngSdpDbHandler() |
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80 { |
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81 iDb.Close(); // This should have no effect if the handle is null. |
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82 iSdp.Close(); |
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83 } |
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84 |
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85 |
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86 // --------------------------------------------------------------------------- |
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87 // Register SDP record for the specified service containing the specified |
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88 // protocol channel in the protocol descriptor list. |
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89 // --------------------------------------------------------------------------- |
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90 // |
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91 void CBTEngSdpDbHandler::RegisterSdpRecordL( const TUUID& aService, |
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92 TInt aChannel, TSdpServRecordHandle& aHandle ) |
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93 { |
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94 TRACE_FUNC_ARG( ( _L( "channel: %d" ), aChannel ) ) |
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95 iChannel = aChannel; |
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96 RegisterSdpRecordL( aService, aHandle ); |
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97 } |
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98 |
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99 |
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100 // --------------------------------------------------------------------------- |
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101 // Register SDP record for the specified service containing the specified |
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102 // VendorID and ProductID for the relevant attributes (mainly for DI profile). |
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103 // --------------------------------------------------------------------------- |
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104 // |
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105 void CBTEngSdpDbHandler::RegisterSdpRecordL( const TUUID& aService, |
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106 TInt aVendorId, TInt aProductId, TSdpServRecordHandle& aHandle ) |
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107 { |
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108 TRACE_FUNC_ARG( ( _L( "vendor ID: %d: product ID: %d" ), |
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109 aVendorId, aProductId ) ) |
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110 iVendorId = aVendorId; |
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111 iProductId = aProductId; |
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112 RegisterSdpRecordL( aService, aHandle ); |
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113 } |
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114 |
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115 |
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116 // --------------------------------------------------------------------------- |
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117 // Register SDP record for the specified service. |
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118 // --------------------------------------------------------------------------- |
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119 // |
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120 void CBTEngSdpDbHandler::RegisterSdpRecordL( const TUUID& aService, |
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121 TSdpServRecordHandle& aHandle ) |
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122 { |
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123 TResourceReader reader; |
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124 HBufC8* record = NULL; |
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125 TBuf8<KMaxServiceDesLength> serviceBuf( KHex ); |
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126 TPtrC8 ptr = aService.ShortestForm(); |
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127 if( ptr.Length() <= 4 ) |
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128 { |
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129 // Short form UUID (16 or 32 bytes). |
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130 TUint service = SdpUtil::GetUint( ptr ); |
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131 serviceBuf.AppendNum( service, EHex ); |
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132 } |
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133 else |
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134 { |
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135 // Long form UUID (128 bytes). |
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136 TUint64 serviceLo = 0; |
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137 TUint64 serviceHi = 0; |
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138 SdpUtil::GetUint128( ptr, serviceLo, serviceHi ); |
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139 // The numbers need to have a fixed width (including leading zeros) |
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140 // and AppendNumFixedWidth is only avaliable with TUint32. |
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141 serviceBuf.AppendNumFixedWidth( I64HIGH(serviceHi), EHex, KNumberOfChars ); |
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142 serviceBuf.AppendNumFixedWidth( I64LOW(serviceHi), EHex, KNumberOfChars ); |
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143 serviceBuf.AppendNumFixedWidth( I64HIGH(serviceLo), EHex, KNumberOfChars ); |
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144 serviceBuf.AppendNumFixedWidth( I64LOW(serviceLo), EHex, KNumberOfChars ); |
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145 } |
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146 |
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147 // Read the record from resource file. |
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148 ReadRecordResourceL( serviceBuf, reader, record ); |
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149 CleanupStack::PushL( record ); |
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150 |
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151 iDb.CreateServiceRecordL( TUUID( 0 ), aHandle ); |
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152 CSdpAttrValue* attrVal = NULL; |
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153 TUint attrCount = reader.ReadUint16(); |
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154 for( TInt i = 0; i < attrCount; i++ ) |
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155 { |
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156 TUint16 attrId = reader.ReadUint16(); |
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157 BuildAttributeLC( attrVal, reader, attrId ); |
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158 if( attrVal ) |
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159 { |
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160 iDb.UpdateAttributeL( aHandle, attrId, *attrVal ); |
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161 CleanupStack::PopAndDestroy( attrVal ); |
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162 attrVal = NULL; |
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163 } |
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164 } |
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165 |
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166 CleanupStack::PopAndDestroy( record ); |
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167 TRACE_FUNC_EXIT |
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168 } |
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169 |
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170 |
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171 // --------------------------------------------------------------------------- |
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172 // Delete the SDP record for the specified record handle. |
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173 // --------------------------------------------------------------------------- |
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174 // |
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175 void CBTEngSdpDbHandler::DeleteSdpRecordL( const TSdpServRecordHandle aHandle ) |
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176 { |
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177 TRACE_FUNC_ENTRY |
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178 if( aHandle ) |
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179 { |
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180 iDb.DeleteRecordL( aHandle ); |
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181 } |
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182 else |
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183 { |
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184 User::Leave( KErrBadHandle ); |
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185 } |
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186 TRACE_FUNC_EXIT |
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187 } |
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188 |
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189 |
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190 // --------------------------------------------------------------------------- |
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191 // Build an SDP attribute. |
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192 // --------------------------------------------------------------------------- |
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193 // |
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194 void CBTEngSdpDbHandler::BuildAttributeLC( CSdpAttrValue*& aAttrVal, |
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195 TResourceReader& aReader, TInt aAttrId ) |
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196 { |
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197 // Read the attribute type and ID |
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198 TUint attrType = aReader.ReadUint8(); |
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199 if( attrType == EElemTypeList ) |
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200 { |
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201 BuildAttrDesLC( aAttrVal, aReader, aAttrId ); |
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202 } |
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203 else |
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204 { |
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205 BuildAttrValueLC( aAttrVal, aReader, attrType, aAttrId ); |
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206 } |
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207 } |
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208 |
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209 |
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210 // --------------------------------------------------------------------------- |
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211 // Build an SDP attribute for a concrete attribute type. |
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212 // --------------------------------------------------------------------------- |
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213 // |
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214 void CBTEngSdpDbHandler::BuildAttrValueLC( CSdpAttrValue*& aAttrVal, |
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215 TResourceReader& aReader, TUint aAttrType, TInt aAttrId ) |
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216 { |
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217 TRACE_FUNC_ENTRY |
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218 switch( aAttrType ) |
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219 { |
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220 case EElemTypeWord: |
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221 { |
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222 TSdpIntBuf<TUint16> buf( aReader.ReadUint16() ); |
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223 if( iVendorId && aAttrId == EVendorID ) |
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224 { |
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225 buf = TSdpIntBuf<TUint16>( iVendorId ); |
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226 iVendorId = 0; // Reset vendor ID |
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227 } |
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228 if( iProductId && aAttrId == EProductID ) |
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229 { |
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230 buf = TSdpIntBuf<TUint16>( iProductId ); |
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231 iProductId = 0; // Reset vendor ID |
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232 } |
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233 aAttrVal = CSdpAttrValueUint::NewUintL( buf ); |
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234 } |
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235 break; |
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236 case EElemTypeLong: |
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237 { |
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238 TSdpIntBuf<TUint32> buf( aReader.ReadUint32() ); |
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239 aAttrVal = CSdpAttrValueUint::NewUintL( buf ); |
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240 } |
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241 break; |
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242 case EElemTypeUUID: |
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243 { |
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244 TUUID uuid( aReader.ReadUint32() ); |
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245 aAttrVal = CSdpAttrValueUUID::NewUUIDL( uuid ); |
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246 } |
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247 break; |
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248 case EElemTypeUUID128: |
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249 { |
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250 TUUID uuid; |
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251 uuid.SetL( aReader.ReadTPtrC8() ); |
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252 aAttrVal = CSdpAttrValueUUID::NewUUIDL( uuid ); |
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253 } |
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254 break; |
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255 case EElemTypeText: |
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256 { |
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257 TPtrC8 ptr = aReader.ReadTPtrC8(); |
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258 aAttrVal = CSdpAttrValueString::NewStringL( ptr ); |
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259 } |
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260 break; |
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261 case EElemTypeByte: |
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262 { |
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263 TSdpIntBuf<TUint8> buf( aReader.ReadUint8() ); |
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264 if( iChannel && aAttrId == EProtocolDescriptorList ) |
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265 { |
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266 buf = TSdpIntBuf<TUint8>( iChannel ); |
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267 iChannel = 0; // Reset channel number |
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268 } |
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269 aAttrVal = CSdpAttrValueUint::NewUintL( buf ); |
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270 } |
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271 break; |
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272 case EElemTypeList: |
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273 { |
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274 BuildAttrDesLC( aAttrVal, aReader, aAttrId ); |
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275 } |
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276 break; |
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277 case EElemTypeLong64: |
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278 { |
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279 TPtrC8 ptr = aReader.ReadTPtrC8(); |
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280 aAttrVal = CSdpAttrValueUint::NewUintL(ptr); |
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281 break; |
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282 } |
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283 case EElemTypeBool: |
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284 { |
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285 TBool boolVal = (TBool) aReader.ReadUint8(); |
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286 aAttrVal = CSdpAttrValueBoolean::NewBoolL( boolVal ); |
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287 break; |
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288 } |
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289 case EElemTypeLink: |
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290 default: |
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291 break; |
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292 } |
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293 if( aAttrVal ) |
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294 { |
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295 CleanupStack::PushL( aAttrVal ); |
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296 } |
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297 } |
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298 |
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299 |
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300 // --------------------------------------------------------------------------- |
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301 // Build an SDP Data Elelement Sequence attribute (i.e. a sequence of |
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302 // concrete attributes or lists). |
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303 // --------------------------------------------------------------------------- |
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304 // |
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305 void CBTEngSdpDbHandler::BuildAttrDesLC( CSdpAttrValue*& aAttrVal, |
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306 TResourceReader& aReader, TInt aAttrId ) |
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307 { |
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308 TRACE_FUNC_ENTRY |
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309 TUint elementCount = aReader.ReadUint16(); |
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310 MSdpElementBuilder* builder = NULL; |
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311 if( !aAttrVal ) |
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312 { |
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313 // This is the first element of the attribute. |
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314 aAttrVal = CSdpAttrValueDES::NewDESL( NULL ); |
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315 builder = ( (CSdpAttrValueDES*) aAttrVal )->StartListL(); |
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316 } |
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317 else |
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318 { |
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319 // This is a nested DES. This means that the parent element is |
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320 // also a DES. Append this DES to the parent. |
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321 builder = ( (CSdpAttrValueDES*) aAttrVal )->BuildDESL(); |
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322 builder = builder->StartListL(); |
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323 } |
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324 |
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325 CleanupStack::PushL( aAttrVal ); |
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326 while( elementCount > 0 ) |
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327 { |
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328 // Build the list; this can result in another call to this function |
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329 // to build a nested list. |
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330 CSdpAttrValue* element = NULL; |
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331 BuildAttributeLC( element, aReader, aAttrId ); |
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332 if( element ) |
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333 { |
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334 CleanupStack::Pop( element ); // Ownership will be passed to DES. |
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335 CSdpAttrValueDES* list = (CSdpAttrValueDES*) builder; |
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336 list->AppendValueL( element ); |
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337 } |
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338 elementCount--; |
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339 } |
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340 builder = builder->EndListL(); |
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341 } |
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342 |
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343 |
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344 // --------------------------------------------------------------------------- |
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345 // Read the service record from the resource file containing all BT Engine's |
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346 // service record definitions. |
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347 // --------------------------------------------------------------------------- |
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348 // |
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349 void CBTEngSdpDbHandler::ReadRecordResourceL( const TDesC8& aService, |
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350 TResourceReader& aReader, HBufC8*& aRecordBuf ) |
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351 { |
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352 TRACE_FUNC_ENTRY |
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353 // Find and open resource file |
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354 TFileName fileName( KDriveZ ); |
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355 fileName.Append( KDC_RESOURCE_FILES_DIR ); |
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356 fileName.Append( KBTEngSdpResourceFile ); |
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357 RFs fsSession; |
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358 User::LeaveIfError( fsSession.Connect() ); |
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359 CleanupClosePushL( fsSession ); |
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360 RResourceFile resourceFile; |
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361 resourceFile.OpenL( fsSession, fileName ); |
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362 CleanupClosePushL( resourceFile ); |
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363 |
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364 // Read the array containing the mappings of UUID to resource definitions. |
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365 HBufC8* buf = resourceFile.AllocReadLC( R_SERVICE_RECORD_LIST ); |
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366 aReader.SetBuffer( buf ); |
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367 CDesC8ArrayFlat* serviceIdArray = aReader.ReadDesC8ArrayL(); |
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368 CleanupStack::PushL( serviceIdArray ); |
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369 |
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370 // Find the requested service record. |
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371 TInt pos = KErrNotFound; |
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372 for( TInt i = 0; i < serviceIdArray->Count(); i++ ) |
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373 { |
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374 // CompareF is case insensitive comparison |
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375 if( aService.CompareF( (*serviceIdArray)[i] ) == 0 ) |
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376 { |
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377 pos = i; |
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378 break; |
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379 } |
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380 } |
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381 if( pos < 0 ) |
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382 { |
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383 // The record is not found from the resource file. |
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384 User::Leave( pos ); |
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385 } |
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386 |
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387 // Read the service record resource in a buffer to pass back. |
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388 aReader.Advance( 2 * pos + 2 ); // 16bit LINK |
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389 TUint resourceId = aReader.ReadUint16(); |
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390 aRecordBuf = resourceFile.AllocReadL( resourceId ); |
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391 aReader.SetBuffer( aRecordBuf ); |
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392 |
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393 CleanupStack::PopAndDestroy( serviceIdArray ); |
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394 CleanupStack::PopAndDestroy( buf ); |
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395 CleanupStack::PopAndDestroy( &resourceFile ); |
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396 CleanupStack::PopAndDestroy( &fsSession ); |
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397 TRACE_FUNC_EXIT |
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398 } |