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1 /* |
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2 * Copyright (c) 2010 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 : P&S key monitor for communication between VPN client |
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15 * and SIP Profile server |
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16 * Name : vpnsipobserver.cpp |
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17 * Part of : VPN client / VPN Connection Agent |
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18 * Version : 1.0 |
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19 * |
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20 */ |
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21 |
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22 // SYSTEM INCLUDES |
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23 #include <e32property.h> // For P&S key |
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24 #include <vpnsipobserverpskeys.h> // For P&S key definition |
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25 |
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26 // USER INCLUDES |
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27 #include "vpnsipobserver.h" |
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28 |
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29 // --------------------------------------------------------------------------- |
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30 // two phased constructor |
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31 // --------------------------------------------------------------------------- |
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32 // |
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33 CVpnSipObserver* CVpnSipObserver::NewL( CVPNConnAgt& aAgent ) |
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34 {// dkangchecked |
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35 CVpnSipObserver* self = new( ELeave ) CVpnSipObserver( aAgent ); |
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36 |
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37 CleanupStack::PushL( self ); |
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38 self->ConstructL(); |
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39 CleanupStack::Pop( self ); |
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40 |
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41 return self; |
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42 } |
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43 |
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44 // --------------------------------------------------------------------------- |
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45 // second phased constructor |
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46 // --------------------------------------------------------------------------- |
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47 // |
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48 void CVpnSipObserver::ConstructL() |
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49 { |
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50 // KVpnSipState P&S key is used for communication between VPN client |
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51 // and SIP Profile Server regarding SIP de/re-registration. |
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52 // KPSVpnSipUid is defined in a SIP System State Monitor plugin |
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53 // (CSipVpnMonitorAo). |
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54 User::LeaveIfError( iSIPProperty.Attach( KPSVpnSipUid, KVpnSipState ) ); |
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55 |
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56 // Start monitoring the P&S key. |
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57 Subscribe(); |
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58 } |
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59 |
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60 // --------------------------------------------------------------------------- |
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61 // C++ constructor |
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62 // --------------------------------------------------------------------------- |
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63 // |
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64 CVpnSipObserver::CVpnSipObserver( CVPNConnAgt& aAgent ) |
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65 : CActive( EPriorityStandard ), |
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66 iAgent( aAgent ) |
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67 { |
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68 CActiveScheduler::Add( this ); |
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69 } |
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70 |
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71 // --------------------------------------------------------------------------- |
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72 // C++ destructor |
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73 // --------------------------------------------------------------------------- |
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74 // |
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75 CVpnSipObserver::~CVpnSipObserver() |
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76 { |
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77 Cancel(); |
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78 iSIPProperty.Close(); |
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79 } |
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80 |
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81 // --------------------------------------------------------------------------- |
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82 // CVpnSipObserver::RequestDeregister |
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83 // --------------------------------------------------------------------------- |
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84 // |
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85 TInt CVpnSipObserver::RequestDeregister() |
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86 { |
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87 // Tells SIP Profile Server that a VPN session is about to be started. |
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88 // This will trigger SIP deregistration process by SIP Profile Server. |
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89 // Should not leave if failed. This will be handled by VPN Conn Agt. |
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90 return iSIPProperty.Set( KPSVpnSipUid, KVpnSipState, EVpnInitiating ); |
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91 } |
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92 |
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93 // --------------------------------------------------------------------------- |
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94 // CVpnSipObserver::RequestRegister |
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95 // --------------------------------------------------------------------------- |
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96 // |
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97 TInt CVpnSipObserver::RequestRegister() |
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98 { |
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99 // Tells SIP Profile Server that a VPN session ended. |
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100 // This will trigger SIP re-registration process by SIP Profile Server. |
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101 // Should not leave if failed. This will be handled by VPN Conn Agt. |
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102 return iSIPProperty.Set( KPSVpnSipUid, KVpnSipState, EVpnTerminated ); |
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103 } |
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104 |
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105 // --------------------------------------------------------------------------- |
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106 // CVpnSipObserver::RunL |
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107 // --------------------------------------------------------------------------- |
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108 // |
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109 void CVpnSipObserver::RunL() |
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110 { |
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111 if ( iStatus == KErrNone ) |
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112 { |
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113 TInt val = 0; |
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114 // SIP Profile Server notified completion of SIP deregistration. |
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115 TInt err = iSIPProperty.Get( KPSVpnSipUid, KVpnSipState, val ); |
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116 |
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117 if ( err == KErrNone ) |
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118 { |
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119 // If SIP is deregistered, let the VPN Connection Agent to |
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120 // proceed VPN session start. |
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121 if ( val == ESipDeregisterCompleted ) |
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122 { |
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123 iAgent.ProceedServiceStart(); |
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124 } |
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125 } |
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126 // Keep monitoring. |
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127 Subscribe(); |
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128 } |
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129 // Check if observer can be restarted. |
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130 else if ( iStatus != KErrCancel |
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131 && iStatus != KErrServerTerminated |
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132 && iStatus != KErrNotSupported ) |
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133 { |
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134 // Keep monitoring. |
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135 Subscribe(); |
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136 } |
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137 else |
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138 { |
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139 // Error. |
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140 LOG_1( "CVpnSipObserver::RunL Unknown error situation, iStatus = %d", iStatus.Int() ); |
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141 } |
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142 } |
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143 |
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144 // --------------------------------------------------------------------------- |
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145 // CVpnSipObserver::DoCancel |
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146 // --------------------------------------------------------------------------- |
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147 // |
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148 void CVpnSipObserver::DoCancel() |
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149 { |
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150 iSIPProperty.Cancel(); |
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151 } |
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152 |
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153 // --------------------------------------------------------------------------- |
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154 // CVpnSipObserver::Subscribe |
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155 // --------------------------------------------------------------------------- |
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156 // |
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157 void CVpnSipObserver::Subscribe() |
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158 { |
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159 iSIPProperty.Subscribe( iStatus ); |
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160 SetActive(); |
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161 } |