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1 /* |
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2 * Copyright (c) 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: HtiIpProxyServicePlugin implementation |
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15 * |
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16 */ |
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17 |
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18 |
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19 // INCLUDE FILES |
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20 #include "HtiIpProxyServicePlugin.h" |
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21 #include <HtiDispatcherInterface.h> |
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22 #include <HTILogging.h> |
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23 #include <badesca.h> |
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24 #include <in_sock.h> |
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25 #include "MSocketObserver.h" |
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26 #include "MHostConnectionObserver.h" |
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27 #include "CIPProxyEngine.h" |
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28 |
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29 // CONSTANTS |
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30 const static TUid KIpProxyServiceUid = { 0x10210CD3 }; |
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31 |
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32 // MACROS |
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33 |
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34 // LOCAL CONSTANTS AND MACROS |
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35 |
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36 // MODULE DATA STRUCTURES |
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37 |
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38 // LOCAL FUNCTION PROTOTYPES |
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39 |
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40 // FORWARD DECLARATIONS |
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41 |
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42 // ============================ MEMBER FUNCTIONS =============================== |
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43 |
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44 // Create instance of concrete ECOM interface implementation |
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45 CHtiIpProxyServicePlugin* CHtiIpProxyServicePlugin::NewL() |
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46 { |
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47 CHtiIpProxyServicePlugin* self = new( ELeave ) CHtiIpProxyServicePlugin; |
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48 CleanupStack::PushL( self ); |
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49 self->ConstructL(); |
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50 CleanupStack::Pop(); |
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51 return self; |
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52 } |
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53 |
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54 // Constructor |
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55 CHtiIpProxyServicePlugin::CHtiIpProxyServicePlugin() : |
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56 iSocketObserver( NULL ), |
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57 iHostObserver( NULL ), |
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58 iProxyEngine( NULL ), |
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59 iOutgoingArray( NULL ), |
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60 iBusy( EFalse ), |
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61 iConnected( EFalse ) |
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62 { |
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63 HTI_LOG_FUNC_IN( "CHtiIpProxyServicePlugin" ); |
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64 HTI_LOG_FUNC_OUT( "CHtiIpProxyServicePlugin" ); |
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65 } |
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66 |
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67 CHtiIpProxyServicePlugin::~CHtiIpProxyServicePlugin() |
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68 { |
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69 HTI_LOG_FUNC_IN( "~CHtiIpProxyServicePlugin" ); |
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70 |
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71 if ( iProxyEngine ) |
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72 { |
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73 iProxyEngine->StopListening(); |
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74 } |
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75 delete iProxyEngine; |
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76 delete iOutgoingArray; |
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77 |
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78 HTI_LOG_FUNC_OUT( "~CHtiIpProxyServicePlugin" ); |
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79 } |
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80 |
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81 // Second phase construction. |
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82 void CHtiIpProxyServicePlugin::ConstructL() |
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83 { |
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84 HTI_LOG_FUNC_IN( "CHtiIpProxyServicePlugin::ConstructL" ); |
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85 |
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86 iOutgoingArray = new( ELeave ) CDesC8ArraySeg( 10 ); |
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87 iProxyEngine = CIPProxyEngine::NewL( this ); |
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88 |
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89 HTI_LOG_FUNC_OUT( "CHtiIpProxyServicePlugin::ConstructL" ); |
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90 } |
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91 |
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92 |
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93 void CHtiIpProxyServicePlugin::InitL() |
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94 { |
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95 HTI_LOG_FUNC_IN( "CHtiIpProxyServicePlugin::InitL" ); |
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96 |
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97 if ( iProxyEngine ) |
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98 { |
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99 iProxyEngine->StartListening(); |
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100 } |
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101 |
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102 HTI_LOG_FUNC_OUT( "CHtiIpProxyServicePlugin::InitL" ); |
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103 } |
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104 |
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105 TBool CHtiIpProxyServicePlugin::IsBusy() |
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106 { |
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107 HTI_LOG_FUNC_IN( "CHtiIpProxyServicePlugin::IsBusy" ); |
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108 HTI_LOG_FUNC_OUT( "CHtiIpProxyServicePlugin::IsBusy" ); |
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109 return iBusy; |
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110 } |
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111 |
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112 void CHtiIpProxyServicePlugin::ProcessMessageL( const TDesC8& aMessage, |
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113 THtiMessagePriority /* aPriority */ ) |
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114 { |
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115 HTI_LOG_FUNC_IN( "CHtiIpProxyServicePlugin::ProcessMessageL" ); |
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116 |
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117 iBusy = ETrue; |
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118 |
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119 __ASSERT_ALWAYS( iSocketObserver, User::Panic( _L ( "IP-Proxy ECom-plugin" ), KErrBadHandle ) ); |
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120 iSocketObserver->DataReceivedL( this, aMessage ); |
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121 |
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122 iBusy = EFalse; |
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123 |
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124 HTI_LOG_FUNC_OUT( "CHtiIpProxyServicePlugin::ProcessMessageL" ); |
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125 } |
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126 |
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127 void CHtiIpProxyServicePlugin::NotifyMemoryChange( TInt aAvailableMemory ) |
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128 { |
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129 HTI_LOG_FUNC_IN( "CHtiIpProxyServicePlugin::NotifyMemoryChange" ); |
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130 |
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131 iBusy = ETrue; |
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132 |
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133 TInt count = iOutgoingArray->Count(); |
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134 if ( !count ) |
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135 { |
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136 // No outgoing data |
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137 return; |
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138 } |
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139 |
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140 // Calculate needed outgoing buffer size |
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141 TInt i = 0; |
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142 TInt neededSize = 0; |
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143 for ( ; i < count; ++i ) |
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144 { |
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145 TInt size = ( *iOutgoingArray )[i].Size(); |
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146 if ( neededSize + size <= aAvailableMemory ) |
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147 { |
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148 neededSize += size; |
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149 } |
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150 } |
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151 |
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152 if ( !neededSize ) |
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153 { |
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154 // Not enough memory |
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155 return; |
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156 } |
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157 |
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158 // Create an outgoing buffer and join as many buffers as possible |
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159 HBufC8* message = HBufC8::New( neededSize ); |
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160 if ( !message ) |
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161 { |
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162 // Not enough memory |
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163 return; |
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164 } |
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165 |
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166 TPtr8 messagePtr( message->Des() ); |
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167 for ( TInt j = 0; j < i; ++j ) |
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168 { |
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169 messagePtr.Append( ( *iOutgoingArray )[j] ); |
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170 } |
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171 |
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172 // Dispatch message to HTI-Framework which takes the ownership of message |
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173 TInt err = iDispatcher->DispatchOutgoingMessage( message, KIpProxyServiceUid ); |
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174 if ( err == KErrNone ) |
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175 { |
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176 message = NULL; |
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177 iOutgoingArray->Delete( 0, i ); |
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178 iDispatcher->RemoveMemoryObserver( this ); |
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179 } |
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180 else if ( err != KErrNoMemory ) |
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181 { |
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182 delete message; |
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183 iDispatcher->RemoveMemoryObserver( this ); |
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184 |
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185 __ASSERT_ALWAYS( iHostObserver, User::Panic( _L ( "IP-Proxy ECom-plugin" ), KErrBadHandle ) ); |
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186 TRAP( err, iHostObserver->HostConnectionErrorL( err ) ); |
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187 } |
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188 |
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189 iBusy = EFalse; |
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190 |
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191 HTI_LOG_FUNC_OUT( "CHtiIpProxyServicePlugin::NotifyMemoryChange" ); |
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192 } |
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193 |
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194 MSocket* CHtiIpProxyServicePlugin::GetSocket() |
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195 { |
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196 return this; |
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197 } |
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198 |
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199 MHostConnection* CHtiIpProxyServicePlugin::GetHostConnection() |
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200 { |
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201 return this; |
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202 } |
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203 |
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204 RSocket* CHtiIpProxyServicePlugin::GetRSocket() |
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205 { |
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206 HTI_LOG_FUNC_IN( "CHtiIpProxyServicePlugin::GetRSocket" ); |
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207 |
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208 RSocket* KSocket = NULL; |
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209 |
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210 HTI_LOG_FUNC_OUT( "CHtiIpProxyServicePlugin::GetRSocket" ); |
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211 return KSocket; |
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212 } |
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213 |
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214 TUint CHtiIpProxyServicePlugin::LocalPort() const |
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215 { |
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216 HTI_LOG_FUNC_IN( "CHtiIpProxyServicePlugin::LocalPort" ); |
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217 |
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218 const TUint KLocalPort = 0; |
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219 |
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220 HTI_LOG_FUNC_OUT( "CHtiIpProxyServicePlugin::LocalPort" ); |
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221 return KLocalPort; |
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222 } |
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223 |
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224 TUint CHtiIpProxyServicePlugin::RemotePort() const |
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225 { |
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226 HTI_LOG_FUNC_IN( "CHtiIpProxyServicePlugin::RemotePort" ); |
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227 |
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228 const TUint KRemotePort = 0; |
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229 |
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230 HTI_LOG_FUNC_OUT( "CHtiIpProxyServicePlugin::RemotePort" ); |
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231 return KRemotePort; |
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232 } |
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233 |
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234 void CHtiIpProxyServicePlugin::SetObserver( MSocketObserver* aObserver ) |
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235 { |
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236 HTI_LOG_FUNC_IN( "CHtiIpProxyServicePlugin::SetObserver" ); |
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237 |
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238 iSocketObserver = aObserver; |
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239 |
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240 HTI_LOG_FUNC_OUT( "CHtiIpProxyServicePlugin::SetObserver" ); |
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241 } |
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242 |
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243 void CHtiIpProxyServicePlugin::SetSocketOwnershipMode( TBool /* aHasOwnership */ ) |
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244 { |
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245 HTI_LOG_FUNC_IN( "CHtiIpProxyServicePlugin::SetSocketOwnershipMode" ); |
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246 |
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247 /* Empty implementation */ |
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248 |
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249 HTI_LOG_FUNC_OUT( "CHtiIpProxyServicePlugin::SetSocketOwnershipMode" ); |
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250 } |
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251 |
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252 void CHtiIpProxyServicePlugin::IssueRead() |
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253 { |
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254 HTI_LOG_FUNC_IN( "CHtiIpProxyServicePlugin::IssueRead" ); |
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255 |
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256 /* Empty implementation */ |
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257 |
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258 HTI_LOG_FUNC_OUT( "CHtiIpProxyServicePlugin::IssueRead" ); |
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259 } |
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260 |
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261 void CHtiIpProxyServicePlugin::Cancel() |
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262 { |
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263 HTI_LOG_FUNC_IN( "CHtiIpProxyServicePlugin::Cancel" ); |
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264 |
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265 /* Empty implementation */ |
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266 |
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267 HTI_LOG_FUNC_OUT( "CHtiIpProxyServicePlugin::Cancel" ); |
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268 } |
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269 |
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270 void CHtiIpProxyServicePlugin::SocketInfo( TProtocolDesc& aDesc ) const |
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271 { |
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272 HTI_LOG_FUNC_IN( "CHtiIpProxyServicePlugin::SocketInfo" ); |
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273 |
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274 aDesc.iProtocol = KProtocolInetTcp; |
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275 |
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276 HTI_LOG_FUNC_OUT( "CHtiIpProxyServicePlugin::SocketInfo" ); |
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277 } |
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278 |
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279 TBool CHtiIpProxyServicePlugin::IsUDP() const |
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280 { |
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281 HTI_LOG_FUNC_IN( "CHtiIpProxyServicePlugin::IsUDP" ); |
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282 HTI_LOG_FUNC_OUT( "CHtiIpProxyServicePlugin::IsUDP" ); |
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283 return EFalse; |
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284 } |
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285 |
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286 void CHtiIpProxyServicePlugin::WriteL( const TDesC8& aData ) |
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287 { |
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288 HTI_LOG_FUNC_IN( "CHtiIpProxyServicePlugin::WriteL" ); |
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289 |
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290 iBusy = ETrue; |
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291 |
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292 // Dispatcher takes ownership of the message if no error has occured |
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293 HBufC8* message = aData.AllocL(); |
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294 TInt err = iDispatcher->DispatchOutgoingMessage( message, KIpProxyServiceUid ); |
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295 if ( err != KErrNone && err != KErrNoMemory ) |
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296 { |
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297 // Some error occured while dispatching the message |
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298 delete message; |
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299 __ASSERT_ALWAYS( iHostObserver, User::Panic( _L ( "IP-Proxy ECom-plugin" ), KErrBadHandle ) ); |
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300 iHostObserver->HostConnectionErrorL( err ); |
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301 } |
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302 else if ( err == KErrNoMemory ) |
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303 { |
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304 // No memory was available so add message to queue |
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305 delete message; |
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306 iOutgoingArray->AppendL( aData.Mid( 0 ) ); |
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307 iDispatcher->AddMemoryObserver( this ); |
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308 } |
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309 |
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310 iBusy = EFalse; |
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311 |
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312 HTI_LOG_FUNC_OUT( "CHtiIpProxyServicePlugin::WriteL" ); |
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313 } |
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314 |
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315 void CHtiIpProxyServicePlugin::IssueConnectL() |
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316 { |
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317 HTI_LOG_FUNC_IN( "CHtiIpProxyServicePlugin::IssueConnectL" ); |
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318 |
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319 iConnected = ETrue; |
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320 |
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321 __ASSERT_ALWAYS( iHostObserver, User::Panic( _L ( "IP-Proxy ECom-plugin" ), KErrBadHandle ) ); |
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322 iHostObserver->ConnectionEstablishedL(); |
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323 |
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324 HTI_LOG_FUNC_OUT( "CHtiIpProxyServicePlugin::IssueConnectL" ); |
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325 } |
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326 |
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327 void CHtiIpProxyServicePlugin::IssueDisconnect() |
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328 { |
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329 HTI_LOG_FUNC_IN( "CHtiIpProxyServicePlugin::IssueDisconnect" ); |
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330 |
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331 __ASSERT_ALWAYS( iSocketObserver, User::Panic( _L ( "IP-Proxy ECom-plugin" ), KErrBadHandle ) ); |
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332 TRAP_IGNORE( iSocketObserver->DisconnectedL( this ) ); |
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333 |
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334 iConnected = EFalse; |
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335 |
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336 HTI_LOG_FUNC_OUT( "CHtiIpProxyServicePlugin::IssueDisconnect" ); |
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337 } |
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338 |
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339 void CHtiIpProxyServicePlugin::SetObserver( MHostConnectionObserver* aObserver ) |
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340 { |
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341 HTI_LOG_FUNC_IN( "CHtiIpProxyServicePlugin::SetObserver 2" ); |
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342 |
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343 iHostObserver = aObserver; |
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344 |
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345 HTI_LOG_FUNC_OUT( "CHtiIpProxyServicePlugin::SetObserver 2" ); |
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346 } |
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347 |
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348 TBool CHtiIpProxyServicePlugin::IsConnected() |
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349 { |
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350 HTI_LOG_FUNC_IN( "CHtiIpProxyServicePlugin::IsConnected" ); |
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351 HTI_LOG_FUNC_OUT( "CHtiIpProxyServicePlugin::IsConnected" ); |
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352 return iConnected; |
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353 } |
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354 |
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355 RSocket* CHtiIpProxyServicePlugin::Socket() |
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356 { |
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357 HTI_LOG_FUNC_IN( "CHtiIpProxyServicePlugin::Socket" ); |
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358 |
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359 RSocket* KSocket = NULL; |
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360 |
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361 HTI_LOG_FUNC_OUT( "CHtiIpProxyServicePlugin::Socket" ); |
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362 return KSocket; |
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363 } |