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1 /* |
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2 * Copyright (c) 2008 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: AT command URC handler |
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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 <atext.h> |
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20 #include "DunAtCmdHandler.h" |
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21 #include "DunAtUrcHandler.h" |
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22 #include "DunDownstream.h" |
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23 #include "DunDebug.h" |
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24 |
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25 // --------------------------------------------------------------------------- |
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26 // Two-phased constructor. |
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27 // --------------------------------------------------------------------------- |
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28 // |
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29 CDunAtUrcHandler* CDunAtUrcHandler::NewL( |
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30 RATExt* aAtCmdExt, |
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31 MDunStreamManipulator* aStreamCallback ) |
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32 { |
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33 CDunAtUrcHandler* self = NewLC( aAtCmdExt, aStreamCallback ); |
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34 CleanupStack::Pop( self ); |
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35 return self; |
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36 } |
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37 |
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38 // --------------------------------------------------------------------------- |
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39 // Two-phased constructor. |
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40 // --------------------------------------------------------------------------- |
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41 // |
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42 CDunAtUrcHandler* CDunAtUrcHandler::NewLC( |
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43 RATExt* aAtCmdExt, |
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44 MDunStreamManipulator* aStreamCallback ) |
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45 { |
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46 CDunAtUrcHandler* self = new (ELeave) CDunAtUrcHandler( aAtCmdExt, |
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47 aStreamCallback ); |
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48 CleanupStack::PushL( self ); |
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49 self->ConstructL(); |
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50 return self; |
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51 } |
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52 |
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53 // --------------------------------------------------------------------------- |
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54 // Destructor. |
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55 // --------------------------------------------------------------------------- |
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56 // |
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57 CDunAtUrcHandler::~CDunAtUrcHandler() |
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58 { |
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59 FTRACE(FPrint( _L("CDunAtUrcHandler::~CDunAtUrcHandler()") )); |
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60 ResetData(); |
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61 FTRACE(FPrint( _L("CDunAtUrcHandler::~CDunAtUrcHandler() complete") )); |
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62 } |
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63 |
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64 // --------------------------------------------------------------------------- |
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65 // Resets data to initial values |
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66 // --------------------------------------------------------------------------- |
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67 // |
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68 void CDunAtUrcHandler::ResetData() |
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69 { |
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70 FTRACE(FPrint( _L("CDunAtUrcHandler::ResetData()") )); |
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71 // APIs affecting this: |
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72 // IssueRequest() |
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73 Stop(); |
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74 // Don't close iAtCmdExt here (it is done in CDunAtCmdHandler)! |
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75 // Internal |
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76 Initialize(); |
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77 FTRACE(FPrint( _L("CDunAtUrcHandler::ResetData() complete") )); |
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78 } |
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79 |
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80 // --------------------------------------------------------------------------- |
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81 // Starts waiting for an incoming URC message |
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82 // --------------------------------------------------------------------------- |
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83 // |
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84 TInt CDunAtUrcHandler::IssueRequest() |
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85 { |
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86 FTRACE(FPrint( _L("CDunAtUrcHandler::IssueRequest()") )); |
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87 if ( iUrcHandleState != EDunStateIdle ) |
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88 { |
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89 FTRACE(FPrint( _L("CDunAtUrcHandler::IssueRequest() (not ready) complete") )); |
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90 return KErrNotReady; |
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91 } |
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92 iStatus = KRequestPending; |
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93 iAtCmdExt->ReceiveUnsolicitedResult( iStatus, iRecvBuffer, iOwnerUidPckg ); |
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94 SetActive(); |
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95 iUrcHandleState = EDunStateAtUrcHandling; |
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96 // Next mark ownership |
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97 if ( !iStarted ) |
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98 { |
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99 TInt retTemp = iAtCmdExt->MarkUrcHandlingOwnership( iOwnerUid ); |
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100 if ( retTemp != KErrNone ) |
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101 { |
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102 FTRACE(FPrint( _L("CDunAtUrcHandler::IssueRequest() (not owned) complete") )); |
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103 return KErrGeneral; |
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104 } |
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105 } |
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106 iStarted = ETrue; |
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107 FTRACE(FPrint( _L("CDunAtUrcHandler::IssueRequest() complete") )); |
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108 return KErrNone; |
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109 } |
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110 |
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111 // --------------------------------------------------------------------------- |
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112 // Stops waiting for an incoming URC message |
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113 // --------------------------------------------------------------------------- |
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114 // |
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115 TInt CDunAtUrcHandler::Stop() |
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116 { |
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117 FTRACE(FPrint( _L("CDunAtUrcHandler::Stop()") )); |
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118 if ( iUrcHandleState != EDunStateAtUrcHandling ) |
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119 { |
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120 FTRACE(FPrint( _L("CDunAtUrcHandler::Stop() (not ready) complete" ))); |
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121 return KErrNotReady; |
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122 } |
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123 iAtCmdExt->CancelReceiveUnsolicitedResult( iOwnerUid ); |
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124 Cancel(); |
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125 iUrcHandleState = EDunStateIdle; |
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126 FTRACE(FPrint( _L("CDunAtUrcHandler::Stop() complete") )); |
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127 // Note: Don't mark iStarted to EFalse here as it is used to get the UID |
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128 return KErrNone; |
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129 } |
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130 |
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131 // --------------------------------------------------------------------------- |
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132 // UID of the owning plugin |
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133 // --------------------------------------------------------------------------- |
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134 // |
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135 TUid CDunAtUrcHandler::OwnerUid() |
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136 { |
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137 return iOwnerUid; |
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138 } |
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139 |
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140 // --------------------------------------------------------------------------- |
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141 // CDunAtUrcHandler::CDunAtUrcHandler |
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142 // --------------------------------------------------------------------------- |
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143 // |
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144 CDunAtUrcHandler::CDunAtUrcHandler( RATExt* aAtCmdExt, |
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145 MDunStreamManipulator* aStreamCallback ) : |
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146 CActive( EPriorityHigh ), |
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147 iAtCmdExt( aAtCmdExt ), |
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148 iStreamCallback( aStreamCallback ), |
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149 iOwnerUidPckg( iOwnerUid ) |
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150 { |
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151 Initialize(); |
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152 } |
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153 |
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154 // --------------------------------------------------------------------------- |
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155 // CDunAtUrcHandler::ConstructL |
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156 // --------------------------------------------------------------------------- |
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157 // |
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158 void CDunAtUrcHandler::ConstructL() |
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159 { |
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160 FTRACE(FPrint( _L("CDunAtUrcHandler::ConstructL()") )); |
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161 if ( !iAtCmdExt || !iStreamCallback ) |
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162 { |
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163 User::Leave( KErrGeneral ); |
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164 } |
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165 CActiveScheduler::Add( this ); |
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166 FTRACE(FPrint( _L("CDunAtUrcHandler::ConstructL() complete") )); |
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167 } |
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168 |
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169 // --------------------------------------------------------------------------- |
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170 // Initializes this class |
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171 // --------------------------------------------------------------------------- |
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172 // |
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173 void CDunAtUrcHandler::Initialize() |
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174 { |
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175 // Don't initialize iStreamCallback here (it is set through NewL) |
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176 iUrcHandleState = EDunStateIdle; |
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177 iOwnerUid = TUid::Null(); |
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178 iStarted = EFalse; |
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179 } |
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180 |
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181 // --------------------------------------------------------------------------- |
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182 // From class CActive. |
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183 // Gets called when URC command received |
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184 // --------------------------------------------------------------------------- |
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185 // |
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186 void CDunAtUrcHandler::RunL() |
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187 { |
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188 FTRACE(FPrint( _L("CDunAtUrcHandler::RunL()") )); |
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189 iUrcHandleState = EDunStateIdle; |
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190 TInt retTemp = iStatus.Int(); |
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191 if ( retTemp != KErrNone ) |
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192 { |
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193 FTRACE(FPrint( _L("CDunAtUrcHandler::RunL() (ERROR) complete (%d)"), retTemp)); |
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194 return; |
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195 } |
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196 if ( iRecvBuffer.Length() == 0 ) |
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197 { |
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198 FTRACE(FPrint( _L("CDunAtUrcHandler::RunL() (empty buffer) complete") )); |
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199 return; |
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200 } |
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201 |
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202 // Send received URC message |
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203 |
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204 iStreamCallback->NotifyDataPushRequest( &iRecvBuffer, this ); |
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205 |
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206 FTRACE(FPrint( _L("CDunAtUrcHandler::RunL() complete") )); |
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207 } |
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208 |
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209 // --------------------------------------------------------------------------- |
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210 // From class CActive. |
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211 // Gets called on cancel |
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212 // --------------------------------------------------------------------------- |
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213 // |
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214 void CDunAtUrcHandler::DoCancel() |
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215 { |
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216 } |
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217 |
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218 // --------------------------------------------------------------------------- |
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219 // From class MDunCompletionReporter. |
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220 // Gets called when data push is complete |
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221 // --------------------------------------------------------------------------- |
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222 // |
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223 void CDunAtUrcHandler::NotifyDataPushComplete( TBool /*aAllPushed*/ ) |
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224 { |
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225 FTRACE(FPrint( _L("CDunAtUrcHandler::NotifyDataPushComplete()") )); |
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226 IssueRequest(); |
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227 FTRACE(FPrint( _L("CDunAtUrcHandler::NotifyDataPushComplete() complete") )); |
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228 } |