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1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // dnsproxyserver.cpp |
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15 // Source file for the DNS Proxy server side implementation. |
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16 // DNS Proxy client session handler code. |
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17 // |
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18 |
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19 |
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20 |
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21 /** |
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22 @file |
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23 @internalComponent |
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24 */ |
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25 |
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26 #include "dnsproxysession.h" |
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27 #include "dnsproxyclientconfigparams.h" |
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28 #include "dnsproxylog.h" |
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29 #include <e32debug.h> |
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30 |
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31 CDnsProxyServerSession* CDnsProxyServerSession::NewL() |
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32 /** |
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33 * Factory method for CDnsProxyServerSession. |
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34 * |
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35 * @internalTechnology |
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36 **/ |
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37 { |
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38 __LOG("\n CDnsProxyServerSession::NewL Entry\n"); |
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39 CDnsProxyServerSession* self = new (ELeave)CDnsProxyServerSession; |
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40 CleanupStack::PushL(self); |
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41 self->ConstructL(); |
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42 CleanupStack::Pop(self); |
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43 __LOG("\n CDnsProxyServerSession::NewL Exit\n"); |
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44 return self; |
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45 } |
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46 |
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47 void CDnsProxyServerSession::ConstructL() |
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48 /** |
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49 * 2nd phase c'tor for CDnsProxyServerSession. |
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50 * |
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51 * @internalTechnology |
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52 **/ |
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53 { |
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54 __LOG("\n CDnsProxyServerSession::ConstructL Entry\n"); |
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55 iProxyEngine = CDnsProxyEngine::GetInstanceL(); |
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56 __LOG("\n CDnsProxyServerSession::ConstructL Exit\n"); |
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57 |
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58 } |
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59 |
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60 CDnsProxyServerSession::CDnsProxyServerSession(): iProxyEngine(NULL), iIsEngineStarted(EFalse) |
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61 /** |
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62 * Standard constructor for CDnsProxyServerSession. |
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63 * |
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64 * @internalTechnology |
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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 CDnsProxyServerSession::~CDnsProxyServerSession() |
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70 /** |
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71 * Standard destructor for CDnsProxyServerSession. |
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72 * |
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73 * @internalTechnology |
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74 **/ |
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75 { |
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76 __LOG("\n CDnsProxyServerSession::~CDnsProxyServerSession Entry\n"); |
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77 const CDnsProxyServer* server = static_cast<const CDnsProxyServer*>(Server()); |
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78 |
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79 //this condition is added to avoid panic when there is no memory |
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80 if(NULL != server) |
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81 { |
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82 server->DecreaseSessionCount(*this); |
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83 } |
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84 __LOG("\n CDnsProxyServerSession::~CDnsProxyServerSession Exit\n"); |
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85 } |
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86 |
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87 void CDnsProxyServerSession::ServiceL(const RMessage2& aMessage) |
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88 /** |
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89 * ServiceL method implemented by derived class |
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90 * |
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91 * @param - aMessage - command send by the client |
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92 * @return - None |
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93 * |
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94 * @internalTechnology |
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95 **/ |
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96 { |
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97 TRAPD(err,DoServiceL(aMessage)); |
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98 if (err != KErrNone) |
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99 { |
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100 if (!iMessage.IsNull()) |
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101 iMessage.Complete(err); |
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102 } |
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103 } |
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104 |
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105 void CDnsProxyServerSession::DoServiceL(const RMessage2& aMessage) |
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106 /** |
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107 * This is command handler function which handles and services client requests. |
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108 * |
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109 * @param aMessage - command send by the client |
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110 * @return - None |
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111 * |
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112 * @internalTechnology |
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113 **/ |
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114 { |
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115 TInt err; |
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116 switch (aMessage.Function()) |
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117 { |
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118 // Handle start command |
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119 case EProxyConfigure: |
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120 iMessage = aMessage; |
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121 __LOG("***CDnsProxyServerSession: StartDnsEngine - Start****") |
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122 err = StartDnsEngine(iMessage); |
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123 __LOG("***CDnsProxyServerSession: StartDnsEngine - End****") |
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124 if(err!=KErrNone) |
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125 iMessage.Complete(err); |
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126 else |
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127 iMessage.Complete(KErrNone); |
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128 break; |
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129 |
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130 // Add DB command |
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131 case EProxyAddDb: |
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132 iMessage = aMessage; |
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133 __LOG("***CDnsProxyServerSession: UpdateDatabaseL - Start****") |
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134 err = UpdateDatabaseL(iMessage); |
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135 __LOG("***CDnsProxyServerSession: UpdateDatabaseL - End****") |
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136 if(err!=KErrNone) |
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137 iMessage.Complete(err); |
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138 else |
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139 iMessage.Complete(KErrNone); |
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140 break; |
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141 |
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142 // Remove DB command |
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143 case EProxyRemoveDb: |
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144 iMessage = aMessage; |
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145 __LOG("***CDnsProxyServerSession: RemoveDbEntry - Start****") |
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146 err = RemoveDbEntry(iMessage); |
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147 __LOG("***CDnsProxyServerSession: RemoveDbEntry - End****") |
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148 |
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149 if(err!=KErrNone) |
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150 iMessage.Complete(err); |
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151 else |
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152 iMessage.Complete(KErrNone); |
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153 break; |
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154 |
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155 // Handle Update domain name |
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156 case EProxyUpdateDomainName: |
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157 iMessage = aMessage; |
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158 __LOG("***CDnsProxyServerSession: UpdateDomainName - Start****") |
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159 err = UpdateDomainName(iMessage); |
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160 __LOG("***CDnsProxyServerSession: UpdateDomainName - End****") |
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161 if(err!=KErrNone) |
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162 iMessage.Complete(err); |
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163 else |
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164 iMessage.Complete(KErrNone); |
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165 break; |
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166 |
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167 case EProxyConfigureUplink: |
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168 iMessage = aMessage; |
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169 __LOG("***CDnsProxyServerSession: UpdateUplinkConfig - Start****") |
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170 err = UpdateUplinkConfig(iMessage); |
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171 __LOG("***CDnsProxyServerSession: UpdateUplinkConfig - End****") |
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172 if(err!=KErrNone) |
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173 iMessage.Complete(err); |
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174 else |
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175 iMessage.Complete(KErrNone); |
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176 break; |
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177 // This should never happen. |
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178 default: |
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179 iMessage = aMessage; |
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180 iMessage.Complete(KErrNotSupported); |
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181 break; |
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182 } |
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183 } |
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184 |
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185 TInt CDnsProxyServerSession::StartDnsEngine(const RMessage2& aMessage) |
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186 /** |
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187 * This method starts the DNS proxy engine, creates an engine instance |
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188 * and start DNS proxy server. |
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189 * @param aMessage - command send by the client |
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190 * @return - None |
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191 * |
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192 * @internalTechnology |
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193 **/ |
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194 { |
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195 __LOG("\n CDnsProxyServerSession::StartDNSEngine \n"); |
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196 iIsEngineStarted = ETrue; |
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197 __LOG1("\niProxyEngine adress = %d \n",iProxyEngine); |
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198 return iProxyEngine->Start(aMessage); |
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199 } |
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200 |
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201 void CDnsProxyServerSession::StopDNSEngine() |
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202 /** |
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203 * This method stops and cleans up DNS proxy. |
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204 * @param aMessage - command send by the client |
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205 * @return - None |
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206 * |
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207 * @internalTechnology |
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208 **/ |
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209 { |
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210 if((iProxyEngine)&& (iIsEngineStarted)) |
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211 { |
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212 iProxyEngine->Stop(); |
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213 } |
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214 iIsEngineStarted = EFalse; |
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215 delete iProxyEngine; |
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216 } |
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217 |
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218 TInt CDnsProxyServerSession::UpdateDatabaseL(const RMessage2& aMessage) |
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219 /** |
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220 * This method is used for DNS Proxy database implementation from ECOM plugin |
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221 * @param aMessage - command send by the client |
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222 * @return - None |
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223 * |
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224 * @internalTechnology |
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225 **/ |
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226 { |
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227 __LOG("\n CDnsProxyServerSession::UpdateDatabaseL \n"); |
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228 __LOG1("\n iProxyEngine %d \n", iProxyEngine); |
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229 return iProxyEngine->AddDbEntryL(aMessage); |
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230 } |
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231 TInt CDnsProxyServerSession::RemoveDbEntry(const RMessage2& aMessage) |
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232 /** |
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233 * This method is used for DNS Proxy database implementation from ECOM plugin |
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234 * @param aMessage - command send by the client |
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235 * @return - None |
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236 * |
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237 * @internalTechnology |
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238 **/ |
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239 { |
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240 __LOG("\n CDnsProxyServerSession::RemoveDbEntry \n"); |
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241 return iProxyEngine->RemoveDbEntry(aMessage); |
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242 } |
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243 |
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244 TInt CDnsProxyServerSession::UpdateDomainName(const RMessage2& aMessage) |
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245 /** |
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246 * This method is used for DNS Proxy database implementation from ECOM plugin |
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247 * @param aMessage - command send by the client |
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248 * @return - None |
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249 * |
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250 * @internalTechnology |
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251 **/ |
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252 { |
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253 __LOG("\n CDnsProxyServerSession::UpdateDomainName \n"); |
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254 return iProxyEngine->UpdateDomainInfo(aMessage); |
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255 } |
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256 TInt CDnsProxyServerSession::UpdateUplinkConfig(const RMessage2& aMessage) |
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257 /** |
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258 * This method is used to set uplink information |
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259 * @param aMessage - command send by the client |
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260 * @return - None |
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261 * |
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262 * @internalTechnology |
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263 **/ |
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264 { |
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265 __LOG("\n CDnsProxyServerSession::UpdateUplinkConfig \n"); |
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266 //if engine is not created,return KErrNotReady. |
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267 TInt err; |
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268 if(!iProxyEngine) |
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269 err = KErrNotReady; |
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270 else |
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271 err = iProxyEngine->SetUplinkConnectionInfo(aMessage); |
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272 return err; |
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273 } |
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274 |