1 /* |
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2 * Copyright (c) 2006-2007 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: Monitors for new data in RComm local media side |
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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 "DunTransporter.h" |
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20 #include "DunDataWaiter.h" |
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21 #include "DunSignalCopy.h" |
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22 #include "DunDebug.h" |
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23 |
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24 // ======== MEMBER FUNCTIONS ======== |
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25 |
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26 // --------------------------------------------------------------------------- |
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27 // Two-phased constructor. |
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28 // --------------------------------------------------------------------------- |
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29 // |
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30 CDunDataWaiter* CDunDataWaiter::NewL( MDunChannelAllocator* aChannelCallback ) |
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31 { |
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32 CDunDataWaiter* self = new (ELeave) CDunDataWaiter( aChannelCallback ); |
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33 CleanupStack::PushL( self ); |
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34 self->ConstructL(); |
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35 CleanupStack::Pop( self ); |
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36 return self; |
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37 } |
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38 |
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39 // --------------------------------------------------------------------------- |
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40 // Destructor. |
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41 // --------------------------------------------------------------------------- |
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42 // |
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43 CDunDataWaiter::~CDunDataWaiter() |
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44 { |
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45 FTRACE(FPrint( _L("CDunDataWaiter::~CDunDataWaiter()") )); |
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46 ResetData(); |
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47 FTRACE(FPrint( _L("CDunDataWaiter::~CDunDataWaiter() complete") )); |
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48 } |
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49 |
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50 // --------------------------------------------------------------------------- |
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51 // Resets data to initial values |
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52 // --------------------------------------------------------------------------- |
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53 // |
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54 void CDunDataWaiter::ResetData() |
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55 { |
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56 FTRACE(FPrint( _L("CDunDataWaiter::ResetData()") )); |
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57 Stop(); |
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58 // APIs affecting this: |
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59 // AddConnMonCallbackL() |
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60 iCallbacks.Close(); |
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61 // Internal |
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62 Initialize(); |
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63 FTRACE(FPrint( _L("CDunDataWaiter::ResetData() complete") )); |
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64 } |
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65 |
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66 // --------------------------------------------------------------------------- |
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67 // Adds callback for RunL error controlling |
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68 // The callback will be called when error is detected in asynchronous |
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69 // operation |
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70 // --------------------------------------------------------------------------- |
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71 // |
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72 TInt CDunDataWaiter::AddCallback( MDunConnMon* aCallback ) |
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73 { |
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74 FTRACE(FPrint( _L("CDunDataWaiter::AddCallback()" ) )); |
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75 if ( !aCallback ) |
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76 { |
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77 FTRACE(FPrint( _L("CDunDataWaiter::AddCallback() (ERROR) complete" ) )); |
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78 return KErrGeneral; |
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79 } |
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80 TInt retTemp = iCallbacks.Find( aCallback ); |
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81 if ( retTemp != KErrNotFound ) |
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82 { |
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83 FTRACE(FPrint( _L("CDunDataWaiter::AddCallback() (already exists) complete" ) )); |
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84 return KErrAlreadyExists; |
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85 } |
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86 retTemp = iCallbacks.Append( aCallback ); |
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87 if ( retTemp != KErrNone ) |
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88 { |
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89 FTRACE(FPrint( _L("CDunDataWaiter::AddCallback() (append failed!) complete" ) )); |
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90 return retTemp; |
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91 } |
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92 FTRACE(FPrint( _L("CDunDataWaiter::AddCallback() complete" ) )); |
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93 return KErrNone; |
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94 } |
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95 |
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96 // --------------------------------------------------------------------------- |
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97 // Sets media to use for this endpoint |
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98 // --------------------------------------------------------------------------- |
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99 // |
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100 TInt CDunDataWaiter::SetMedia( RComm* aComm ) |
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101 { |
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102 FTRACE(FPrint( _L("CDunDataWaiter::SetMedia(RComm) (addr=0x%08X)" ), aComm)); |
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103 if ( !aComm ) |
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104 { |
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105 FTRACE(FPrint( _L("CDunDataWaiter::SetMedia() (aComm) not initialized!" ))); |
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106 return KErrGeneral; |
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107 } |
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108 TCommCaps2 caps; |
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109 aComm->Caps( caps ); |
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110 if ( !(caps().iNotificationCaps & KNotifyDataAvailableSupported) ) |
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111 { |
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112 FTRACE(FPrint( _L("CDunDataWaiter::SetMedia() (RComm) (not supported) complete" ))); |
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113 return KErrNotSupported; |
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114 } |
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115 iComm = aComm; |
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116 FTRACE(FPrint( _L("CDunDataWaiter::SetMedia() (RComm) complete" ))); |
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117 return KErrNone; |
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118 } |
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119 |
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120 // --------------------------------------------------------------------------- |
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121 // Issues request to start waiting for new data in RComm |
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122 // --------------------------------------------------------------------------- |
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123 // |
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124 TInt CDunDataWaiter::IssueRequest() |
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125 { |
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126 FTRACE(FPrint( _L("CDunDataWaiter::IssueRequest()" ))); |
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127 if ( iDataWaiterState != EDunStateIdle ) |
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128 { |
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129 FTRACE(FPrint( _L("CDunDataWaiter::IssueRequest() (not ready) complete" ))); |
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130 return KErrNotReady; |
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131 } |
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132 if ( !iComm ) |
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133 { |
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134 FTRACE(FPrint( _L("CDunDataWaiter::IssueRequest() (iComm) not initialized!" ) )); |
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135 return KErrGeneral; |
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136 } |
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137 iStatus = KRequestPending; |
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138 iComm->ResetBuffers(); |
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139 iComm->NotifyDataAvailable( iStatus ); |
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140 SetActive(); |
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141 iDataWaiterState = EDunStateDataWaiting; |
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142 FTRACE(FPrint( _L("CDunDataWaiter::IssueRequest() complete" ))); |
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143 return KErrNone; |
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144 } |
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145 |
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146 // --------------------------------------------------------------------------- |
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147 // Stops monitoring for new data |
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148 // --------------------------------------------------------------------------- |
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149 // |
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150 TInt CDunDataWaiter::Stop() |
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151 { |
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152 FTRACE(FPrint( _L("CDunDataWaiter::Stop()" ))); |
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153 if ( iDataWaiterState != EDunStateDataWaiting ) |
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154 { |
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155 FTRACE(FPrint( _L("CDunDataWaiter::Stop() (not ready) complete" ))); |
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156 return KErrNotReady; |
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157 } |
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158 if ( !iComm ) |
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159 { |
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160 FTRACE(FPrint( _L("CDunDataWaiter::Stop() (iComm) not initialized!" ))); |
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161 return KErrGeneral; |
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162 } |
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163 iComm->NotifyDataAvailableCancel(); |
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164 Cancel(); |
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165 iDataWaiterState = EDunStateIdle; |
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166 FTRACE(FPrint( _L("CDunDataWaiter::Stop() complete" ))); |
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167 return KErrNone; |
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168 } |
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169 |
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170 // --------------------------------------------------------------------------- |
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171 // CDunDataWaiter::CDunDataWaiter |
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172 // --------------------------------------------------------------------------- |
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173 // |
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174 CDunDataWaiter::CDunDataWaiter( MDunChannelAllocator* aChannelCallback ) : |
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175 CActive( EPriorityHigh ), |
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176 iChannelCallback( aChannelCallback ) |
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177 { |
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178 Initialize(); |
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179 } |
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180 |
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181 // --------------------------------------------------------------------------- |
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182 // CDunDataWaiter::ConstructL |
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183 // --------------------------------------------------------------------------- |
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184 // |
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185 void CDunDataWaiter::ConstructL() |
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186 { |
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187 FTRACE(FPrint( _L("CDunDataWaiter::ConstructL()" ) )); |
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188 if ( !iChannelCallback ) |
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189 { |
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190 User::Leave( KErrGeneral ); |
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191 } |
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192 CActiveScheduler::Add( this ); |
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193 FTRACE(FPrint( _L("CDunDataWaiter::ConstructL() complete" ) )); |
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194 } |
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195 |
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196 // --------------------------------------------------------------------------- |
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197 // Initializes this class |
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198 // --------------------------------------------------------------------------- |
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199 // |
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200 void CDunDataWaiter::Initialize() |
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201 { |
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202 FTRACE(FPrint( _L("CDunDataWaiter::Initialize()" ) )); |
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203 // Don't initialize iChannelCallback here (it is set through NewL) |
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204 iDataWaiterState = EDunStateIdle; |
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205 iComm = NULL; |
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206 FTRACE(FPrint( _L("CDunDataWaiter::Initialize() 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 when new data in RComm object |
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212 // --------------------------------------------------------------------------- |
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213 // |
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214 void CDunDataWaiter::RunL() |
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215 { |
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216 FTRACE(FPrint( _L("CDunDataWaiter::RunL()" ) )); |
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217 iDataWaiterState = EDunStateIdle; |
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218 TInt retTemp = iStatus.Int(); |
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219 if ( retTemp != KErrNone ) |
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220 { |
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221 FTRACE(FPrint( _L("CDunDataWaiter::RunL() (failed) complete (%d)"), retTemp)); |
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222 TInt count = iCallbacks.Count(); |
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223 TDunConnectionReason connReason; |
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224 connReason.iReasonType = EDunReasonTypeRunL; |
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225 connReason.iContext = EDunMediaContextLocal; |
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226 connReason.iSignalType = 0; |
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227 connReason.iSignalHigh = EFalse; |
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228 connReason.iDirection = EDunDirectionUndefined; |
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229 connReason.iErrorCode = retTemp; |
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230 for ( TInt i=0; i<count; i++ ) |
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231 { |
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232 TRAP_IGNORE( |
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233 iCallbacks[i]->NotifyProgressChangeL( iComm, connReason ) ); |
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234 } |
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235 return; |
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236 } |
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237 if ( iChannelCallback ) |
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238 { |
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239 iChannelCallback->NotifyNewChannelRequest( iComm ); |
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240 } |
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241 // Don't check other iMediaInUse values here |
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242 // They can't be other than EDunMediaRComm (checked in IssueRequest()) |
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243 FTRACE(FPrint( _L("CDunDataWaiter::RunL() complete" ) )); |
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244 } |
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245 |
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246 // --------------------------------------------------------------------------- |
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247 // From class CActive. |
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248 // Gets called on cancel |
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249 // --------------------------------------------------------------------------- |
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250 // |
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251 void CDunDataWaiter::DoCancel() |
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252 { |
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253 } |
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