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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: Socket reader |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 // INCLUDE FILES |
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21 #include "Csocketreader.h" |
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22 #include "MSocketReaderObserver.h" |
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23 #include <badesca.h> |
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24 |
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25 #define DEBUG_FILENAME "IPProxyEngine.log" |
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26 #include "DebugPrint.h" |
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27 |
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28 // ============================ MEMBER FUNCTIONS =============================== |
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29 |
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30 // ----------------------------------------------------------------------------- |
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31 // CSocketReader::CSocketReader |
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32 // ----------------------------------------------------------------------------- |
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33 // |
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34 CSocketReader::CSocketReader( RSocket& aSocket, |
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35 TInt aUDPRemotePort /*= -1*/ ) : |
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36 CActive( EPriorityStandard ), |
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37 iSocket( aSocket ), |
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38 iUDPRemotePort( aUDPRemotePort ) |
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39 { |
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40 } |
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41 |
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42 // ----------------------------------------------------------------------------- |
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43 // CSocketReader::ConstructL |
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44 // ----------------------------------------------------------------------------- |
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45 // |
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46 void CSocketReader::ConstructL() |
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47 { |
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48 CActiveScheduler::Add( this ); |
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49 IssueRead(); |
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50 } |
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51 |
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52 // ----------------------------------------------------------------------------- |
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53 // CSocketReader::NewL |
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54 // ----------------------------------------------------------------------------- |
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55 // |
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56 CSocketReader* CSocketReader::NewL( RSocket& aSocket, |
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57 TInt aUDPRemotePort /*= -1*/ ) |
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58 { |
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59 CSocketReader* self = CSocketReader::NewLC( aSocket, aUDPRemotePort ); |
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60 CleanupStack::Pop(); |
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61 |
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62 return self; |
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63 } |
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64 |
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65 // ----------------------------------------------------------------------------- |
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66 // CSocketReader::NewLC |
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67 // ----------------------------------------------------------------------------- |
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68 // |
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69 CSocketReader* CSocketReader::NewLC( RSocket& aSocket, |
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70 TInt aUDPRemotePort /*= -1*/ ) |
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71 { |
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72 CSocketReader* self = new( ELeave ) CSocketReader( aSocket, aUDPRemotePort ); |
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73 CleanupStack::PushL( self ); |
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74 |
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75 self->ConstructL(); |
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76 return self; |
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77 } |
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78 |
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79 |
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80 // Destructor |
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81 CSocketReader::~CSocketReader() |
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82 { |
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83 Cancel(); |
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84 } |
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85 |
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86 |
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87 // ----------------------------------------------------------------------------- |
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88 // CSocketReader::SetObserver |
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89 // ----------------------------------------------------------------------------- |
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90 // |
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91 void CSocketReader::SetObserver( MSocketReaderObserver* aObserver ) |
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92 { |
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93 iObserver = aObserver; |
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94 } |
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95 |
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96 // ----------------------------------------------------------------------------- |
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97 // CSocketReader::IssueRead |
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98 // ----------------------------------------------------------------------------- |
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99 // |
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100 void CSocketReader::IssueRead() |
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101 { |
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102 DEBUG_PRINT( DEBUG_STRING( |
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103 "CSocketReader::IssueRead +" ) ); |
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104 |
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105 __ASSERT_ALWAYS( !IsActive() || iStatus != KRequestPending, |
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106 User::Panic( _L ( "s-reader" ), 1 ) ); |
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107 |
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108 TProtocolDesc desc; |
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109 TInt err = iSocket.Info( desc ); |
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110 DEBUG_PRINT( DEBUG_STRING( |
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111 "CSocketReader::IssueRead, err = %d" ), err ); |
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112 DEBUG_PRINT( DEBUG_STRING( |
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113 "desc.iProtocol = %d, iUDPRemotePort=%d" ), desc.iProtocol, iUDPRemotePort ); |
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114 |
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115 if ( desc.iProtocol == KProtocolInetUdp && iUDPRemotePort > -1 ) |
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116 { |
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117 // UDP |
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118 DEBUG_PRINT( DEBUG_STRING( |
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119 "CSocketReader::IssueRead(), UDP, local port=%d" ), iUDPRemotePort ); |
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120 iSocket.RecvFrom( iReadBuffer, iUDPRemoteAddr, 0, iStatus ); |
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121 } |
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122 else |
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123 { |
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124 // TCP |
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125 DEBUG_PRINT( DEBUG_STRING( |
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126 "CSocketReader::IssueRead(), TCP, local port=%d" ), iSocket.LocalPort() ); |
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127 iSocket.RecvOneOrMore( iReadBuffer, 0, iStatus, iReceivedDataLength ); |
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128 } |
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129 |
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130 SetActive(); |
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131 DEBUG_PRINT( DEBUG_STRING( |
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132 "CSocketReader::IssueRead() -" ) ); |
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133 } |
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134 |
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135 // ----------------------------------------------------------------------------- |
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136 // CSocketReader::Start |
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137 // ----------------------------------------------------------------------------- |
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138 // |
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139 void CSocketReader::Start() |
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140 { |
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141 DEBUG_PRINT( DEBUG_STRING( |
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142 "CSocketReader::Start" ) ); |
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143 if ( !IsActive() ) |
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144 { |
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145 IssueRead(); |
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146 } |
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147 } |
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148 // ----------------------------------------------------------------------------- |
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149 // CSocketReader::RunL |
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150 // ----------------------------------------------------------------------------- |
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151 // |
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152 void CSocketReader::RunL() |
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153 { |
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154 TInt status = iStatus.Int(); |
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155 if ( status == KErrNone ) |
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156 { |
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157 iObserver->DataReceivedL( iReadBuffer ); |
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158 iReadBuffer.SetLength( 0 ); |
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159 IssueRead(); |
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160 } |
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161 else |
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162 { |
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163 iObserver->ReaderErrorL( status ); |
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164 } |
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165 } |
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166 |
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167 // ----------------------------------------------------------------------------- |
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168 // CSocketReader::DoCancel |
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169 // ----------------------------------------------------------------------------- |
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170 // |
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171 void CSocketReader::DoCancel() |
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172 { |
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173 iSocket.CancelRead(); |
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174 } |
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175 |
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176 // ----------------------------------------------------------------------------- |
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177 // CSocketReader::RunError |
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178 // ----------------------------------------------------------------------------- |
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179 // |
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180 TInt CSocketReader::RunError( TInt aError ) |
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181 { |
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182 iObserver->ObserverLeaved( aError ); |
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183 iReadBuffer.SetLength( 0 ); |
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184 IssueRead(); |
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185 return KErrNone; |
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186 } |
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187 |