1 /* |
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2 * Copyright (c) 2005-2009 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: |
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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 "t_wlanscaninfodata.h" |
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20 //class CWlanScanInfo |
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21 #include <wlanmgmtclient.h> |
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22 #include <e32cmn.h> |
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23 |
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24 /*@{*/ |
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25 //LITs from the ini |
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26 _LIT(KSsidParam, "DEFAULT_SSID_Ssid"); |
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27 _LIT(KUid, "WlanScanUid"); |
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28 /*@}*/ |
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29 |
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30 /*@{*/ |
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31 //LIT's for the commands |
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32 _LIT(KCmdNewL, "NewL"); |
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33 _LIT(KCmdDestructor, "~"); |
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34 _LIT(KCmdInformationElement, "InformationElement"); |
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35 /*@}*/ |
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36 |
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37 /** |
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38 * Two phase constructor |
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39 * |
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40 * @leave system wide error |
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41 */ |
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42 CT_WlanScanInfoData* CT_WlanScanInfoData::NewL() |
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43 { |
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44 CT_WlanScanInfoData* ret = new(ELeave) CT_WlanScanInfoData(); |
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45 CleanupStack::PushL(ret); |
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46 ret->ConstructL(); |
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47 CleanupStack::Pop(ret); |
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48 return ret; |
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49 } |
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50 |
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51 /** |
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52 * Public destructor |
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53 */ |
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54 CT_WlanScanInfoData::~CT_WlanScanInfoData() |
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55 { |
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56 DestroyData(); |
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57 } |
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58 |
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59 /** |
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60 * Private constructor. First phase construction |
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61 */ |
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62 CT_WlanScanInfoData::CT_WlanScanInfoData() |
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63 : iData(NULL), |
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64 iScanInfoInstanceIdentifier(KNullUid) |
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65 { |
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66 } |
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67 |
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68 |
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69 /** |
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70 * Second phase construction |
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71 * |
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72 * @internalComponent |
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73 * |
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74 * @return N/A |
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75 * |
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76 * @pre None |
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77 * @post None |
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78 * |
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79 * @leave system wide error |
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80 */ |
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81 void CT_WlanScanInfoData::ConstructL() |
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82 { |
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83 } |
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84 |
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85 /** |
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86 * Return a pointer to the object that the data wraps |
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87 * |
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88 * @return pointer to the object that the data wraps |
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89 */ |
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90 TAny* CT_WlanScanInfoData::GetObject() |
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91 { |
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92 return iData; |
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93 } |
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94 |
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95 |
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96 /** |
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97 * Process a command read from the Ini file |
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98 * @param aCommand The command to process |
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99 * @param aSection The section get from the *.ini file of the project T_Wlan |
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100 * @param aAsyncErrorIndex Command index dor async calls to returns errors to |
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101 * @return TBool ETrue if the command is process |
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102 * @leave system wide error |
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103 */ |
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104 TBool CT_WlanScanInfoData::DoCommandL(const TTEFFunction& aCommand, const TTEFSectionName& aSection, const TInt /*aAsyncErrorIndex*/) |
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105 { |
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106 TBool ret = ETrue; |
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107 |
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108 if(aCommand == KCmdNewL) |
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109 { |
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110 DoCmdNewL(aSection); |
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111 } |
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112 else if(aCommand == KCmdDestructor) |
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113 { |
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114 DoCmdDestructor(); |
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115 } |
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116 else if(aCommand == KCmdInformationElement) |
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117 { |
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118 DoCmdInformationElement(aSection); |
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119 } |
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120 else |
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121 { |
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122 ret = EFalse; |
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123 ERR_PRINTF1(_L("Unknown command")); |
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124 } |
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125 |
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126 return ret; |
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127 } |
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128 |
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129 |
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130 /** |
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131 * Create an instance of CWlanScanInfo |
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132 * @param |
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133 * @return |
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134 */ |
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135 void CT_WlanScanInfoData::DoCmdNewL(const TTEFSectionName& aSection) |
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136 { |
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137 INFO_PRINTF1(_L("*START* CT_WlanScanInfoData::DoCmdNewL")); |
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138 DestroyData(); |
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139 |
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140 TBool dataOk = ETrue; |
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141 |
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142 TInt wsUid; |
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143 if(!GetHexFromConfig(aSection, KUid, wsUid )) |
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144 { |
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145 ERR_PRINTF2(_L("Error in getting parameter %S from INI file"), &KUid); |
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146 SetBlockResult(EFail); |
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147 dataOk = EFalse; |
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148 } |
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149 |
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150 if (dataOk) |
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151 { |
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152 const TUid WsUid = {wsUid}; |
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153 TAny* interface = NULL; |
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154 |
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155 TRAPD(err, interface = REComSession::CreateImplementationL( WsUid, iScanInfoInstanceIdentifier )); |
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156 if(err == KErrNone) |
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157 { |
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158 iData = reinterpret_cast<CWlanScanInfo*>( interface ); |
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159 |
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160 if(iData == NULL) |
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161 { |
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162 ERR_PRINTF1(_L("CT_WlanScanInfoData::DoCmdNewL() Fail")); |
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163 SetBlockResult(EFail); |
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164 } |
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165 } |
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166 else |
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167 { |
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168 ERR_PRINTF2(_L("Create Implementation left with error %d"), err); |
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169 SetError(err); |
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170 } |
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171 } |
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172 |
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173 INFO_PRINTF1(_L("*END* CT_WlanScanInfoData::DoCmdNewL")); |
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174 } |
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175 |
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176 /** |
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177 * Destructor for CWlanScanInfo |
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178 * @param |
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179 * @return |
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180 */ |
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181 void CT_WlanScanInfoData::DoCmdDestructor() |
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182 { |
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183 INFO_PRINTF1(_L("*START* CT_WlanScanInfoData::DoCmdDestructor")); |
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184 DestroyData(); |
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185 INFO_PRINTF1(_L("*END* CT_WlanScanInfoData::DoCmdDestructor")); |
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186 } |
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187 |
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188 /** |
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189 * called from DoCmdDestructor for destroy the object CWlanScanInfo |
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190 * @param |
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191 * @return |
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192 */ |
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193 void CT_WlanScanInfoData::DestroyData() |
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194 { |
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195 // Cannot use "delete" directly because we use a member variable as an |
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196 // ECom instance identifier |
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197 REComSession::DestroyedImplementation( iScanInfoInstanceIdentifier ); |
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198 iData = NULL; |
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199 } |
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200 /** |
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201 * Review if the IAP given in the ini file match with some Wireless Local Area Network (SelectScanInfo). |
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202 * @param aSection Section in the ini file for this command |
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203 * @return |
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204 */ |
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205 void CT_WlanScanInfoData::DoCmdInformationElement(const TTEFSectionName& aSection) |
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206 { |
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207 INFO_PRINTF1(_L("*START* CT_WlanScanInfoData::DoCmdInformationElement")); |
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208 TBool dataOk = ETrue; |
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209 |
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210 TPtrC aSsid; |
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211 if(!GetStringFromConfig(aSection,KSsidParam, aSsid)) |
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212 { |
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213 ERR_PRINTF2(_L("Error in getting parameter %S from INI file"), &KSsidParam); |
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214 SetBlockResult(EFail); |
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215 dataOk = EFalse; |
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216 } |
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217 |
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218 if(dataOk) |
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219 { |
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220 TInt err(KErrNone); |
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221 // Scan info gives data as "information elements" |
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222 TUint8 ieLen(0); |
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223 const TUint8* ieData; |
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224 TWlanSsid ssid8; |
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225 TBuf<KWlanMaxSsidLength> ssid; |
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226 TBool match = EFalse; |
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227 |
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228 INFO_PRINTF2(_L("SSID to be checked: %S"),&aSsid); |
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229 for( iData->First(); !iData->IsDone(); iData->Next() ) |
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230 { |
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231 INFO_PRINTF1(_L("found scan info")); |
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232 err = KErrNotReady; |
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233 // Information Element ID for SSID as specified in 802.11. |
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234 const TUint8 KWlan802Dot11SsidIE(0); |
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235 err = iData->InformationElement( KWlan802Dot11SsidIE, ieLen, &ieData ); |
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236 if(err != KErrNone) |
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237 { |
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238 ERR_PRINTF2(_L("CScanInfo::InformationElement err: [%d]"),err); |
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239 SetError(err); |
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240 break; |
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241 } |
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242 if(ieLen) |
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243 { |
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244 ssid8.Copy( ieData, ieLen ); |
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245 ssid.Copy( ssid8 ); |
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246 INFO_PRINTF2(_L("Current information element SSID: %S"),&ssid); |
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247 // check if this is an expected SSID |
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248 if( aSsid.Compare( ssid ) == 0 ) |
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249 { |
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250 INFO_PRINTF1(_L("SSID match!")); |
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251 match = ETrue; |
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252 break; |
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253 } |
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254 } |
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255 } |
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256 |
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257 if (err == KErrNone && !match) |
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258 { |
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259 ERR_PRINTF2(_L("Given SSID %S NOT FOUND!"),&aSsid); |
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260 SetBlockResult(EFail); |
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261 } |
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262 } |
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263 |
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264 INFO_PRINTF1(_L("*END* CT_WlanScanInfoData::DoCmdInformationElement")); |
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265 } |
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266 |
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