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1 /* |
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2 * Copyright (c) 2006-2009 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: |
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15 * Implements CRfsPdpObserver class. |
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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 // SYSTEM INCLUDES |
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21 #include <rfs.rsg> |
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22 #include <PSVariables.h> |
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23 #include <AknWaitDialog.h> |
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24 #include <featmgr.h> |
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25 #include <centralrepository.h> |
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26 #include <AknWaitDialog.h> |
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27 #include <pdpcontextmanagerpskeys.h> |
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28 #include <pdpcontextmanagerinternalcrkeys.h> |
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29 |
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30 // P&S KEYS FROM SIP & PDP CONNECTION |
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31 #include <e32property.h> |
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32 #include <pdpcontextmanagerpskeys.h> |
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33 #include <sipsystemstatemonitorpskeys.h> |
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34 |
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35 // USER INCLUDES |
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36 #include "rfsConnectionObserver.h" |
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37 #include "RfsTraces.h" |
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38 |
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39 // CONSTANTS |
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40 const TInt KRfsAlwaysOnDisabled = 0; |
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41 const TInt KRfsAlwaysOnEnabled = 1; |
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42 |
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43 |
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44 // --------------------------------------------------------------------------- |
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45 // two phased constructor |
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46 // --------------------------------------------------------------------------- |
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47 CRfsConnectionObserver* CRfsConnectionObserver::NewLC() |
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48 { |
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49 TRACES("CRfsConnectionObserver::NewLC()"); |
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50 |
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51 CRfsConnectionObserver* self = new( ELeave ) CRfsConnectionObserver; |
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52 CleanupStack::PushL( self ); |
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53 self->ConstructL(); |
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54 |
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55 TRACES("CRfsConnectionObserver::NewLC(): End"); |
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56 return self; |
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57 } |
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58 |
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59 // --------------------------------------------------------------------------- |
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60 // second phased constructor |
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61 // --------------------------------------------------------------------------- |
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62 void CRfsConnectionObserver::ConstructL() |
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63 { |
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64 TRACES("CRfsConnectionObserver::ConstructL()"); |
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65 |
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66 iIsPDPFeatureEnabled = IsAlwaysOnFeatureEnabledL(); |
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67 |
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68 // We first check whether the required keys are defined or not |
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69 // i.e. SIP is there or not and PDP feature is there or not. |
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70 // Following cases can arise: |
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71 // 1. SIP present and PDP not defined -- Close the SIP connection (&) proceed with RFS |
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72 // 2. SIP not defined and PDP present -- Close the PDP connection (&) proceed with RFS |
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73 // 3. SIP and PDP not defined -- Proceed to perform the RFS. Here no need to close any connection. |
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74 // 4. Both defined -- Close SIP and PDP connection (&) proceed with RFS |
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75 // |
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76 // OutCome: also record which is present and which is not present. This information will be needed |
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77 // to set the future displaying of the dialog and to know whomo to send notifications and to whom not. |
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78 // |
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79 // If none of the active connections are present then no need to display the dialog. |
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80 // |
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81 // Here we need to inform the outside world (CRfsHandler) that we don't need to call rest of the methods |
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82 // related to active connections closing operations if the third case is present. |
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83 // The methods are: |
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84 // 1. CloseAlwaysOnConnectionL() |
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85 // 2. ReOpenConnection() |
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86 |
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87 TInt val(KErrNone); |
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88 User::LeaveIfError( iSIPProperty.Attach(KPSSipRfsUid, KSipRfsState)); |
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89 TInt err = iSIPProperty.Get(KPSSipRfsUid, KSipRfsState, val); |
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90 if (KErrNotFound == err) |
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91 { |
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92 // Record that SIP connection is not present |
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93 iIsSIPConnectionsPresent = EFalse; |
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94 } |
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95 |
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96 // No need to have a similar check for the PDP as the following boolean is sufficient |
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97 if(iIsPDPFeatureEnabled) |
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98 { |
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99 User::LeaveIfError( iPDPProperty.Attach(KPDPContextManager2,KPDPContextManagerFactorySettingsReset ) ); |
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100 } |
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101 |
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102 // Following is the condition used to record that the dialog needs to be displayed |
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103 // and the closing of the connections is possible |
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104 if (iIsSIPConnectionsPresent || iIsPDPFeatureEnabled) |
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105 { |
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106 iIsDialogNeedToBeDisplayed = ETrue; |
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107 iIsClosingConnectionsApplicable = ETrue; |
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108 } |
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109 |
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110 // After finding out which type of connections need RFS notifications, we will |
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111 // proceed further to create a common dialog. This will be a wait for dialog which will be |
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112 // of synchrnous type and can only be closed inside the RunL() of this active class. |
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113 // Provisions needed to be added to know whether this dialog needs resetting the pointer, |
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114 // this will be the case when dialog is actually started using 'ExecuteLD()', |
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115 // Otherwise we need to delete this dialog and reset the pointer to NULL. |
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116 if (iIsDialogNeedToBeDisplayed) |
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117 { |
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118 iWaitDialog = new( ELeave ) CAknWaitDialog(reinterpret_cast<CEikDialog**>( &iWaitDialog ) ); |
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119 } |
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120 |
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121 // Now we proceed further to setting of the next state i,e, enter the state machine of this active object |
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122 // which will start from closing of the active connections and proceed to close the other connections |
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123 // serially in a state wise manner. |
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124 // N.B the states are put in order and should be maintained. High Priority |
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125 // |
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126 // As soon as 'iStatus' changes we will go to RunL() to close the SIP connection |
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127 // and hence forth take up the activity of closing PDP connection. |
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128 if (iIsSIPConnectionsPresent) |
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129 { |
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130 iState = ESipConnectionClose; |
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131 } |
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132 else if (iIsPDPFeatureEnabled) |
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133 { |
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134 iState = EPdpConnectionClose; |
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135 } |
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136 |
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137 // After setting the state machine i.e. proper entry point into the RunL() |
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138 // we will give an asynchronous listening and publishing request to the keys. |
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139 if (iIsSIPConnectionsPresent || iIsPDPFeatureEnabled) |
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140 { |
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141 Subscribe(); |
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142 } |
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143 |
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144 TRACES("CRfsConnectionObserver::ConstructL(): End"); |
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145 } |
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146 |
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147 // --------------------------------------------------------------------------- |
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148 // C++ constructor |
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149 // --------------------------------------------------------------------------- |
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150 CRfsConnectionObserver::CRfsConnectionObserver():CActive( EPriorityStandard ) |
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151 { |
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152 TRACES("CRfsConnectionObserver::CRfsConnectionObserver()"); |
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153 |
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154 iIsSIPConnectionsPresent = ETrue; |
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155 iIsPDPFeatureEnabled = ETrue; |
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156 iIsWaitForDialogExecuted = EFalse; |
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157 iIsDialogNeedToBeDisplayed = EFalse; |
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158 iIsSipInformedForClosingAllConnection = EFalse; |
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159 iIsPDPInformedforClosingAllConnection = EFalse; |
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160 iIsClosingConnectionsApplicable = EFalse; |
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161 |
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162 CActiveScheduler::Add( this ); |
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163 |
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164 TRACES("CRfsConnectionObserver::CRfsConnectionObserver(): End"); |
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165 } |
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166 |
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167 // --------------------------------------------------------------------------- |
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168 // C++ destructor |
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169 // --------------------------------------------------------------------------- |
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170 CRfsConnectionObserver::~CRfsConnectionObserver() |
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171 { |
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172 TRACES("CRfsConnectionObserver::~CRfsConnectionObserver()"); |
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173 Cancel(); |
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174 TRACES("CRfsConnectionObserver::~CRfsConnectionObserver(): End"); |
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175 } |
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176 |
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177 // --------------------------------------------------------------------------- |
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178 // CRfsConnectionObserver::CloseAlwaysOnConnectionL |
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179 // --------------------------------------------------------------------------- |
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180 TBool CRfsConnectionObserver::CloseAlwaysOnConnectionL() |
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181 { |
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182 TRACES("CRfsConnectionObserver::CloseAlwaysOnConnectionL()"); |
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183 |
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184 if (iIsClosingConnectionsApplicable == EFalse) |
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185 { |
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186 // pretend that we have dsplayed the dialog and closed all the active connections |
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187 return ETrue; |
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188 } |
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189 |
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190 // only perform the following operation if the 'iIsClosingConnectionsApplicable' is ETrue |
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191 iAllConnectionClosed = EFalse; |
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192 |
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193 // Send P&S notification to SIP that RFS has started |
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194 TInt err(KErrNone); |
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195 if (iIsSIPConnectionsPresent && iState == ESipConnectionClose) |
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196 { |
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197 err = iSIPProperty.Set(KPSSipRfsUid, KSipRfsState, ESipRfsStarted ); |
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198 iIsSipInformedForClosingAllConnection = ETrue; |
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199 } |
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200 else if (iIsPDPFeatureEnabled && iState == EPdpConnectionClose) |
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201 { |
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202 err = iPDPProperty.Set(KPDPContextManager2,KPDPContextManagerFactorySettingsReset,EPDPContextManagerFactorySettingsResetStart ); |
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203 iIsPDPInformedforClosingAllConnection = ETrue; |
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204 } |
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205 |
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206 |
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207 // Leave from here is there is any error setting the intial handshake information |
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208 // This means that RFS has failed as there was some problem setting the P&S keys |
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209 User::LeaveIfError(err); |
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210 if(err != KErrNone) |
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211 { |
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212 TRACES1("CRfsConnectionObserver::CloseAlwaysOnConnectionL(): Err = %d", err); |
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213 // This means that the RFS has failed |
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214 return EFalse; |
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215 } |
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216 |
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217 // we set the flag to indicate ExecuteLD is called and the dialog needs to be |
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218 // dismissed from within the RunL() |
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219 iIsWaitForDialogExecuted = ETrue; |
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220 // Start displaying the dialog which will then be closed form the RunL() |
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221 // Here the code execution blocks and we will proceed further only when |
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222 // this dialog is canceled |
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223 err = iWaitDialog->ExecuteLD( R_CLOSING_CONNECTIONS ); |
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224 |
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225 |
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226 // following is the case when the user presses the Cancel button from the wait |
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227 // for dialog and in that case we need to resend the notificaiton of RFS failed |
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228 // to whom all we have told previous of this to close the RFS connection |
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229 if (err == EEikBidCancel) |
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230 { |
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231 if (iIsSipInformedForClosingAllConnection) |
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232 { |
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233 err = iSIPProperty.Set(KPSSipRfsUid, KSipRfsState, ESipRfsFailed ); |
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234 } |
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235 if (iIsPDPInformedforClosingAllConnection) |
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236 { |
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237 iPDPProperty.Set(KPDPContextManager2,KPDPContextManagerFactorySettingsReset,EPDPContextManagerFactorySettingsResetStop); |
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238 } |
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239 } |
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240 return iAllConnectionClosed; |
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241 } |
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242 |
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243 void CRfsConnectionObserver::ReportRfsCompletionToSip() |
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244 { |
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245 TRACES("CRfsConnectionObserver::ReportRfsCompletionToSip()"); |
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246 |
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247 // Only perform the following operation if the 'iIsClosingConnectionsApplicable' |
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248 if (!iIsClosingConnectionsApplicable) |
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249 { |
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250 // Pretend that we have re-opened all the closed connections and return doinng nothing |
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251 return; |
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252 } |
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253 if (iIsSipInformedForClosingAllConnection) |
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254 { |
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255 iSIPProperty.Set(KPSSipRfsUid, KSipRfsState, ESipRfsCompleted ); |
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256 } |
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257 |
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258 TRACES("CRfsConnectionObserver::ReportRfsCompletionToSip(): End"); |
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259 } |
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260 |
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261 void CRfsConnectionObserver::ReportRfsFailureToSip() |
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262 { |
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263 TRACES("CRfsConnectionObserver::ReportRfsFailureToSip()"); |
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264 |
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265 // Only perform the following operation if the 'iIsClosingConnectionsApplicable' |
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266 if (!iIsClosingConnectionsApplicable) |
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267 { |
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268 // Pretend that we have re-opened all the closed connections and return doinng nothing |
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269 return; |
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270 } |
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271 if (iIsSipInformedForClosingAllConnection) |
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272 { |
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273 iSIPProperty.Set(KPSSipRfsUid, KSipRfsState, ESipRfsFailed ); |
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274 } |
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275 |
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276 TRACES("CRfsConnectionObserver::ReportRfsFailureToSip(): End"); |
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277 } |
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278 |
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279 void CRfsConnectionObserver::ReOpenPDPConnection() |
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280 { |
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281 TRACES("CRfsConnectionObserver::ReOpenPDPConnection()"); |
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282 |
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283 // Only perform the following operation if the 'iIsClosingConnectionsApplicable' |
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284 if (!iIsClosingConnectionsApplicable) |
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285 { |
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286 // Pretend that we have re-opened all the closed connections and return doinng nothing |
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287 return; |
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288 } |
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289 |
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290 if (iIsPDPInformedforClosingAllConnection ) |
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291 { |
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292 iPDPProperty.Set(KPDPContextManager2,KPDPContextManagerFactorySettingsReset,EPDPContextManagerFactorySettingsResetStop ); |
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293 } |
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294 |
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295 TRACES("CRfsConnectionObserver::ReOpenPDPConnection(): End"); |
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296 } |
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297 |
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298 // --------------------------------------------------------------------------- |
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299 // CRfsConnectionObserver::RunL |
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300 // --------------------------------------------------------------------------- |
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301 void CRfsConnectionObserver::RunL() |
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302 { |
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303 // First call this is to enroll for the next handshake information to be recieved either from SIP or PDP |
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304 Subscribe(); |
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305 |
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306 switch(iState) |
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307 { |
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308 case ESipConnectionClose: |
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309 { |
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310 // Send P&S message to SIP |
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311 TInt val; |
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312 TInt err = iSIPProperty.Get(KPSSipRfsUid, KSipRfsState, val); |
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313 if ( err == KErrNone && val == ESipRfsEventProcessingCompleted) |
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314 { |
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315 if (iIsWaitForDialogExecuted && !iIsPDPFeatureEnabled) |
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316 { |
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317 // set the information that we have closed all the active connections |
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318 // here itself because the PDP connection/feature doen't exist |
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319 iAllConnectionClosed = ETrue; |
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320 DismissWaitDialog(); |
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321 } |
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322 |
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323 if (iIsPDPFeatureEnabled) |
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324 { |
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325 iPDPProperty.Set(KPDPContextManager2,KPDPContextManagerFactorySettingsReset,EPDPContextManagerFactorySettingsResetStart ); |
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326 |
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327 // change the state to the next from within this as we are done with closing the SIP connection |
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328 iState = EPdpConnectionClose; |
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329 // |
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330 // Under following cases the 'iIsPDPInformedforClosingAllConnection' will be set |
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331 // |
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332 // CASE 1: |
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333 // When from within CloseAlwaysOnConnectionL we inform the PDP to |
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334 // close its connection, that time this will be set. |
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335 // CASE 2: |
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336 // The other case covers when the SIP exists, then this flag will be set |
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337 // when we come to RunL straight to this switch-case after just previous to |
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338 // switch-case being of closing All the SIP active connections. |
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339 // |
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340 // RATIONALE: (behind the use of following flag): |
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341 // Setting of this flag will actually help us in the case when |
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342 // the user cancels the PDP closing connections |
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343 iIsPDPInformedforClosingAllConnection = ETrue; |
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344 } |
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345 TRACES1("CRfsConnectionObserver::RunL(): iPDPProperty.Set returned Err = %d", err); |
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346 } |
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347 break; |
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348 } |
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349 case EPdpConnectionClose: |
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350 { |
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351 // When we reach here we should assume that: |
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352 // 1. the WAIT FOR dialog is being tothe user of the device |
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353 // 2. If SIP existed then it has successfully closed all its active connections |
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354 // |
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355 // What needs to be done at this point of time is to : |
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356 // 1. Check of what message has been published to the 'KPDPContextManagerFactorySettingsReset' key |
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357 // 2. If the PDP has replied with all its active connections closed then we should close the dialog |
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358 // and set the information that we have closed all the active connections including SIP if it existed |
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359 // at the time when the user requested for an RFS |
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360 |
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361 TInt val; |
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362 TInt err = iPDPProperty.Get(KPDPContextManager2,KPDPContextManagerFactorySettingsReset, val); |
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363 if (err == KErrNone && val == EPDPContextManagerFactorySettingsResetStartReply && iAllConnectionClosed == EFalse ) |
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364 { |
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365 // The response from PDP of closing all its connections have been recieved |
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366 // Now we may proceed to dsmiss the dialog and also set the state to the True for |
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367 // all active connections closed |
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368 iAllConnectionClosed = ETrue; |
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369 DismissWaitDialog(); |
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370 } |
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371 } |
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372 } // end switch-case block |
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373 } |
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374 |
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375 |
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376 // --------------------------------------------------------------------------- |
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377 // CRfsConnectionObserver::IsAlwaysOnFeatureEnabledL |
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378 // --------------------------------------------------------------------------- |
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379 TInt CRfsConnectionObserver::IsAlwaysOnFeatureEnabledL() |
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380 { |
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381 TInt alwaysOnEnabled = KRfsAlwaysOnDisabled; |
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382 if( FeatureManager::FeatureSupported( KFeatureIdAlwaysOnlinePDPContext2 ) ) |
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383 { |
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384 // Check if always on feature enabled |
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385 CRepository* cenRep = CRepository::NewLC( KCRUidPDPContextManager ); |
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386 TInt err = cenRep->Get( KPDPContextAlwaysOnEnabled, alwaysOnEnabled ); |
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387 if( err != KErrNone ) |
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388 { |
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389 alwaysOnEnabled = KRfsAlwaysOnEnabled; |
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390 } |
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391 CleanupStack::PopAndDestroy(cenRep); |
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392 } |
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393 return alwaysOnEnabled; |
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394 } |
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395 |
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396 // --------------------------------------------------------------------------- |
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397 // CRfsConnectionObserver::DoCancel |
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398 // --------------------------------------------------------------------------- |
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399 void CRfsConnectionObserver::DoCancel() |
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400 { |
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401 TRACES("CRfsConnectionObserver::DoCancel()"); |
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402 |
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403 if(iIsPDPFeatureEnabled) |
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404 { |
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405 iPDPProperty.Cancel(); |
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406 } |
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407 if(iIsSIPConnectionsPresent) |
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408 { |
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409 iSIPProperty.Cancel(); |
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410 } |
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411 |
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412 DismissWaitDialog(); |
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413 |
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414 TRACES("CRfsConnectionObserver::DoCancel(): End"); |
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415 } |
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416 |
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417 // --------------------------------------------------------------------------- |
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418 // CRfsConnectionObserver::Subscribe |
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419 // --------------------------------------------------------------------------- |
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420 void CRfsConnectionObserver::Subscribe() |
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421 { |
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422 switch(iState) |
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423 { |
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424 case ESipConnectionClose: |
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425 { |
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426 // SIP connection first [Always] |
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427 iSIPProperty.Subscribe(iStatus); |
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428 break; |
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429 } |
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430 case EPdpConnectionClose: |
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431 { |
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432 iPDPProperty.Subscribe(iStatus); |
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433 break; |
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434 } |
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435 } |
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436 SetActive(); |
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437 } |
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438 |
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439 // --------------------------------------------------------------------------- |
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440 // CRfsConnectionObserver::DismissWaitDialog |
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441 // --------------------------------------------------------------------------- |
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442 void CRfsConnectionObserver::DismissWaitDialog() |
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443 { |
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444 TRACES("CRfsConnectionObserver::DismissWaitDialog()"); |
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445 |
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446 if ( iWaitDialog && iIsWaitForDialogExecuted) |
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447 { |
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448 TRAP_IGNORE( iWaitDialog->ProcessFinishedL() ); |
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449 } |
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450 |
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451 // Sanity Check: |
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452 // It can be a case when dialog was need to be displayed but was not due to some error |
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453 // this means that the 'iWaitDialog' was constructed but never used and destroyed |
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454 // i.e. the ExecuteLD() was never called |
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455 else if(iIsDialogNeedToBeDisplayed && !iIsWaitForDialogExecuted) |
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456 { |
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457 delete iWaitDialog; |
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458 } |
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459 |
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460 // Reset the pointer to NULL |
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461 iWaitDialog = NULL; |
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462 |
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463 TRACES("CRfsConnectionObserver::DismissWaitDialog(): End"); |
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464 } |
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465 |