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1 /* |
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2 * Copyright (c) 2002-2006 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: |
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15 * This class implements notifications from bearers which is needed when |
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16 * transferring data to/from WAP GW. |
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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 // INCLUDE FILES |
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23 #include <es_sock.h> |
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24 |
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25 #include "mmsbearerstatus.h" |
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26 #include "mmssession.h" |
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27 #include "mmstransportobserver.h" |
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28 #include "mmsservercommon.h" |
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29 #include "MmsServerDebugLogging.h" |
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30 |
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31 // ================= MEMBER FUNCTIONS ======================= |
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32 |
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33 // --------------------------------------------------------- |
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34 // C++ constructor |
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35 // --------------------------------------------------------- |
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36 // |
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37 CMmsBearerStatus::CMmsBearerStatus() |
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38 :CActive ( EPriorityStandard), |
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39 iRequester ( NULL ), |
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40 iConnected( EFalse ), |
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41 iSuspended( EFalse ) |
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42 { |
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43 iBearerType = EMmsBearerGprs; // default |
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44 } |
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45 |
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46 // --------------------------------------------------------- |
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47 // CMmsBearerStatus::ConstructL |
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48 // --------------------------------------------------------- |
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49 // |
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50 void CMmsBearerStatus::ConstructL( RConnection& aRConnection ) |
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51 { |
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52 LOG( _L("CMmsBearerStatus::ConstructL") ); |
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53 iRConnection = &aRConnection; |
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54 CActiveScheduler::Add( this ); |
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55 } |
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56 |
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57 // --------------------------------------------------------- |
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58 // Symbian two-phased constructor |
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59 // --------------------------------------------------------- |
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60 // |
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61 CMmsBearerStatus* CMmsBearerStatus::NewL( RConnection& aRConnection ) |
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62 { |
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63 CMmsBearerStatus* self = new ( ELeave ) CMmsBearerStatus(); |
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64 CleanupStack::PushL( self ); |
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65 self->ConstructL( aRConnection ); |
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66 CleanupStack::Pop( self ); |
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67 return self; |
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68 } |
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69 |
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70 // --------------------------------------------------------- |
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71 // Destructor |
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72 // --------------------------------------------------------- |
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73 // |
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74 CMmsBearerStatus::~CMmsBearerStatus() |
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75 { |
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76 Cancel(); |
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77 } |
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78 |
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79 // --------------------------------------------------------- |
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80 // CMmsBearerStatus::IsGprs |
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81 // --------------------------------------------------------- |
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82 // |
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83 TBool CMmsBearerStatus::IsGprs() const |
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84 { |
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85 if( iBearerType == EMmsBearerGprs ) |
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86 { |
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87 return ETrue; |
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88 } |
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89 else |
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90 { |
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91 return EFalse; |
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92 } |
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93 } |
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94 |
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95 // --------------------------------------------------------- |
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96 // CMmsBearerStatus::IsSuspendedL |
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97 // --------------------------------------------------------- |
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98 // |
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99 TBool CMmsBearerStatus::IsSuspended() |
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100 { |
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101 if( iBearerType != EMmsBearerGprs ) |
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102 { |
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103 LOG( _L("CMmsBearerStatus::IsSuspended: Something wrong, no GPRS!") ); |
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104 return EFalse; |
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105 } |
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106 TNifProgress nifProgress; |
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107 TInt err = iRConnection->Progress( nifProgress ); |
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108 if( err == KErrNone ) |
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109 { |
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110 if( nifProgress.iStage == KDataTransferTemporarilyBlocked ) |
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111 { |
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112 iSuspended = ETrue; |
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113 return ETrue; |
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114 } |
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115 } |
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116 return EFalse; |
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117 } |
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118 |
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119 // --------------------------------------------------------- |
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120 // CMmsBearerStatus::SubscribeNotification |
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121 // --------------------------------------------------------- |
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122 // |
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123 void CMmsBearerStatus::SubscribeNotification( MMmsTransportObserver* aRequester ) |
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124 { |
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125 LOG( _L("CMmsBearerStatus::SubscribeNotification") ); |
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126 |
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127 iRequester = ( MMmsTransportObserver* ) aRequester; |
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128 // set status to pending to make sure that it is RNif |
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129 // that sets it to complete |
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130 iStatus = KRequestPending; |
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131 iRConnection->ProgressNotification( iProgressBuffer, iStatus ); |
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132 |
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133 #ifndef _NO_MMSS_LOGGING_ |
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134 if( IsActive() ) |
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135 { |
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136 LOG( _L(" - already active") ); |
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137 } |
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138 #endif //_NO_MMSS_LOGGING_ |
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139 SetActive(); |
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140 } |
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141 |
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142 // --------------------------------------------------------- |
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143 // CMmsBearerStatus::RunL |
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144 // --------------------------------------------------------- |
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145 // |
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146 void CMmsBearerStatus::RunL() |
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147 { |
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148 #ifndef _NO_MMSS_LOGGING_ |
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149 if( iStatus.Int() != KErrNone ) |
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150 { |
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151 LOG2( _L("ERROR in CMmsBearerStatus::RunL status %d)"), iStatus.Int() ); |
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152 } |
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153 LOG2( _L("CMmsBearerStatus::RunL(): progress stage %d"), iProgressBuffer().iStage ); |
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154 #endif //_NO_MMSS_LOGGING_ |
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155 |
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156 |
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157 if( iProgressBuffer().iStage == KLinkLayerClosed && iConnected ) |
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158 { |
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159 iConnected = EFalse; |
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160 iRequester->TransferCancelled(); |
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161 } |
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162 else if( iProgressBuffer().iStage == KLinkLayerOpen ) |
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163 { |
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164 iConnected = ETrue; |
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165 if( iSuspended ) |
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166 { |
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167 iSuspended = EFalse; |
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168 iRequester->GprsResumed(); |
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169 // GprsResumed() puts the observer (this) active if necessary |
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170 } |
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171 else |
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172 { |
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173 SubscribeNotification( iRequester ); |
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174 } |
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175 } |
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176 else if( iProgressBuffer().iStage == KDataTransferTemporarilyBlocked ) |
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177 { |
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178 iSuspended = ETrue; |
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179 iRequester->GprsSuspended(); |
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180 SubscribeNotification( iRequester ); |
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181 } |
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182 else |
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183 { |
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184 // Some other state, not really interested about those... |
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185 SubscribeNotification( iRequester ); |
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186 } |
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187 } |
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188 |
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189 // --------------------------------------------------------- |
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190 // CMmsBearerStatus::DoCancel |
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191 // --------------------------------------------------------- |
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192 // |
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193 void CMmsBearerStatus::DoCancel() |
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194 { |
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195 LOG( _L("CMmsBearerStatus::DoCancel") ); |
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196 iRConnection->CancelProgressNotification(); |
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197 } |
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198 |
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199 // ================= OTHER EXPORTED FUNCTIONS ============== |
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200 |
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201 // End of File |
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202 |