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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_RHostResolverData.h" |
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20 |
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21 |
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22 /*@{*/ |
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23 //LIT's for reading from ini file |
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24 _LIT(KRSocketServ, "RSocketServ"); |
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25 _LIT(KRConnection, "RConnection"); |
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26 _LIT(KAddress, "Address"); |
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27 /*@}*/ |
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28 |
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29 /*@{*/ |
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30 //LIT's for Commands |
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31 _LIT(KCmdDestructor, "~"); |
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32 _LIT(KCmdOpenHostResolver, "Open"); |
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33 _LIT(KCmdGetByName, "GetByName"); |
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34 _LIT(KCmdCloseHostResolver, "Close"); |
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35 /*@}*/ |
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36 |
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37 CT_RHostResolverData* CT_RHostResolverData::NewLC() |
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38 { |
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39 CT_RHostResolverData* self = new (ELeave) CT_RHostResolverData(); |
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40 CleanupStack::PushL(self); |
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41 self->ConstructL(); |
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42 return self; |
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43 } |
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44 |
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45 CT_RHostResolverData* CT_RHostResolverData::NewL() |
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46 { |
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47 CT_RHostResolverData* self = CT_RHostResolverData::NewLC(); |
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48 CleanupStack::Pop(self); |
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49 return self; |
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50 } |
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51 |
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52 CT_RHostResolverData::~CT_RHostResolverData() |
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53 { |
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54 if(iActiveCallback) |
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55 { |
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56 delete iActiveCallback; |
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57 iActiveCallback = NULL; |
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58 } |
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59 |
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60 DestroyData(); |
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61 } |
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62 |
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63 CT_RHostResolverData::CT_RHostResolverData() |
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64 : iHostResolver(NULL), |
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65 iActiveCallback(NULL) |
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66 { |
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67 } |
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68 |
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69 void CT_RHostResolverData::ConstructL() |
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70 { |
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71 iActiveCallback = CActiveCallback::NewL(*this); |
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72 iHostResolver = new (ELeave)RHostResolver(); |
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73 } |
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74 |
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75 |
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76 void CT_RHostResolverData::RunL(CActive* aActive, TInt aIndex) |
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77 { |
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78 INFO_PRINTF1(_L("*START* CT_RHostResolverData::RunL")); |
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79 DecOutstanding(); // One of the async calls has completed |
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80 |
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81 if( aActive == iActiveCallback ) |
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82 { |
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83 INFO_PRINTF1(_L("Asynchronous task has completed. RunL called")); |
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84 } |
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85 else |
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86 { |
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87 ERR_PRINTF1(_L("Stray RunL signal")); |
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88 TInt err = aActive->iStatus.Int(); |
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89 if( err != KErrNone ) |
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90 { |
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91 ERR_PRINTF2(_L("RunL Error %d"), err); |
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92 SetAsyncError( aIndex, err ); |
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93 } |
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94 } |
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95 INFO_PRINTF1(_L("*END* CT_RHostResolverData::RunL")); |
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96 } |
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97 |
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98 /** |
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99 * Return a pointer to the object that the data wraps |
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100 * |
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101 * @return pointer to the object that the data wraps |
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102 */ |
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103 TAny* CT_RHostResolverData::GetObject() |
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104 { |
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105 return iHostResolver; |
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106 } |
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107 |
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108 /** |
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109 * Process a command read from the ini file |
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110 * |
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111 * @param aCommand The command to process |
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112 * @param aSection The section in the ini containing data for the command |
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113 * @param aAsyncErrorIndex Command index for async calls to return errors to |
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114 * |
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115 * @return ETrue if the command is processed |
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116 * |
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117 * @leave System wide error |
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118 */ |
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119 TBool CT_RHostResolverData::DoCommandL(const TTEFFunction& aCommand, const TTEFSectionName& aSection, const TInt aAsyncErrorIndex) |
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120 { |
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121 TBool ret = ETrue; |
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122 if( aCommand == KCmdOpenHostResolver() ) |
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123 { |
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124 DoCmdOpen(aSection); |
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125 } |
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126 else if( aCommand == KCmdGetByName() ) |
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127 { |
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128 DoCmdGetByName(aSection,aAsyncErrorIndex); |
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129 } |
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130 else if( aCommand == KCmdCloseHostResolver()) |
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131 { |
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132 DoCmdClose(); |
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133 } |
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134 else if( aCommand == KCmdDestructor()) |
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135 { |
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136 DestroyData(); |
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137 } |
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138 else |
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139 { |
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140 ERR_PRINTF1(_L("Unknown command")); |
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141 ret=EFalse; |
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142 } |
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143 |
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144 return ret; |
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145 } |
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146 |
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147 |
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148 |
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149 /** |
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150 * Opens RHostResolver |
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151 * @param aSection -The section in config file to look for the RSocketServ and RConnection. |
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152 * Sets TEF error if not successful. |
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153 */ |
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154 void CT_RHostResolverData::DoCmdOpen( const TTEFFunction& aSection) |
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155 { |
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156 INFO_PRINTF1(_L("*START* CT_RHostResolverData::DoCmdOpen")); |
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157 |
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158 // Start host resolver for DNS queries. |
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159 INFO_PRINTF1(_L("Starting host resolver")); |
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160 |
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161 TPtrC socketServerName; |
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162 TPtrC connectionName; |
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163 TBool dataOk = ETrue; |
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164 TInt error = KErrNone; |
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165 |
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166 if( !GetStringFromConfig(aSection, KRSocketServ(), socketServerName) ) |
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167 { |
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168 ERR_PRINTF2(_L("Error in getting parameter %S from INI file"), &KRSocketServ); |
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169 SetBlockResult(EFail); |
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170 dataOk = EFalse; |
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171 } |
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172 |
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173 if( !GetStringFromConfig(aSection, KRConnection(), connectionName) ) |
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174 { |
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175 ERR_PRINTF2(_L("Error in getting parameter %S from INI file"), &KRConnection); |
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176 SetBlockResult(EFail); |
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177 dataOk = EFalse; |
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178 } |
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179 |
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180 if( dataOk ) |
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181 { |
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182 INFO_PRINTF1(_L("Create a RSocketServ for iHostResolver")); |
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183 RSocketServ* socketServ = static_cast<RSocketServ*>(GetDataObjectL(socketServerName)); |
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184 |
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185 INFO_PRINTF1(_L("Create a RConnection for iHostResolver")); |
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186 RConnection* connection = static_cast<RConnection*>(GetDataObjectL(connectionName)); |
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187 |
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188 error = iHostResolver->Open(*socketServ, KAfInet, KProtocolInetTcp, *connection); |
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189 } |
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190 |
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191 if ( error != KErrNone ) |
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192 { |
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193 ERR_PRINTF2(_L("HostResolver could not be opened. Host resolver start failed [%d]"), error); |
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194 SetError(error); |
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195 } |
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196 |
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197 INFO_PRINTF1(_L("*END* CT_RHostResolverData::DoCmdOpen")); |
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198 } |
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199 |
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200 /** |
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201 * Resolves a machine name to a TSockAddress asynchronously and saves it in iNameEntry |
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202 * @param aSection The section in the ini containing data for the command |
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203 * @param aAsyncErrorIndex Command index for async calls to return errors to |
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204 */ |
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205 void CT_RHostResolverData::DoCmdGetByName(const TTEFFunction& aSection, const TInt aAsyncErrorIndex) |
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206 { |
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207 INFO_PRINTF1(_L("*START* CT_RHostResolverData::DoCmdGetByName")); |
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208 |
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209 TPtrC address; |
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210 TBool dataOk = ETrue; |
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211 |
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212 if( !GetStringFromConfig( aSection, KAddress, address ) ) |
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213 { |
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214 ERR_PRINTF2(_L("Error in getting parameter %S from INI file"), &KAddress); |
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215 SetBlockResult(EFail); |
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216 dataOk = EFalse; |
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217 } |
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218 |
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219 if( dataOk ) |
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220 { |
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221 // Resolve Internet address of our host. |
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222 iHostResolver->GetByName(address, iNameEntry, iActiveCallback->iStatus); |
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223 iActiveCallback->Activate(aAsyncErrorIndex); |
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224 IncOutstanding(); |
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225 } |
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226 |
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227 INFO_PRINTF1(_L("*END* CT_RHostResolverData::DoCmdGetByName")); |
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228 } |
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229 |
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230 /** |
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231 * Closes RHostResolver |
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232 */ |
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233 void CT_RHostResolverData::DoCmdClose() |
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234 { |
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235 INFO_PRINTF1(_L("*START* CT_RHostResolverData::DoCmdClose")); |
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236 // DNS host resolver can be closed |
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237 iHostResolver->Close(); |
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238 INFO_PRINTF1(_L("*END* CT_RHostResolverData::DoCmdClose")); |
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239 } |
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240 |
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241 /** |
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242 * Destroys Wrapper |
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243 */ |
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244 void CT_RHostResolverData::DoCmdDestructor() |
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245 { |
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246 INFO_PRINTF1(_L("*START* CT_RHostResolverData::DoCmdDestructor")); |
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247 DestroyData(); |
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248 INFO_PRINTF1(_L("*END* CT_RHostResolverData::DoCmdDestructor")); |
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249 } |
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250 |
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251 /** |
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252 * Liberates allocated memory and closes RHostResolver |
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253 */ |
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254 void CT_RHostResolverData::DestroyData() |
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255 { |
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256 INFO_PRINTF1(_L("*START* CT_RHostResolverData::DestroyData")); |
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257 if(iHostResolver) |
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258 { |
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259 iHostResolver->Close(); |
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260 delete iHostResolver; |
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261 iHostResolver = NULL; |
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262 } |
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263 INFO_PRINTF1(_L("*END* CT_RHostResolverData::DestroyData")); |
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264 } |
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265 |
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266 /** |
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267 * Getter method that returns iNameEntry (the result of name resolution). |
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268 * @iNameEntry - Current name resolution result |
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269 */ |
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270 TNameEntry CT_RHostResolverData::GetNameEntry() |
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271 { |
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272 return iNameEntry; |
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273 } |
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274 |