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1 /* |
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2 * Copyright (c) 2005 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 * |
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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 |
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21 #include "mcestateidle.h" |
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22 #include "mcesipsession.h" |
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23 #include "mceactionset.h" |
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24 #include "mcefcactionset.h" |
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25 |
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26 // ----------------------------------------------------------------------------- |
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27 // CMceStateIdle::CMceStateIdle |
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28 // ----------------------------------------------------------------------------- |
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29 // |
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30 CMceStateIdle::CMceStateIdle () |
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31 : CMceState( KMceStateIdle ) |
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32 { |
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33 } |
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34 |
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35 // ----------------------------------------------------------------------------- |
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36 // CMceStateIdle::~CMceStateIdle |
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37 // ----------------------------------------------------------------------------- |
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38 // |
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39 CMceStateIdle::~CMceStateIdle() |
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40 { |
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41 } |
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42 |
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43 // ----------------------------------------------------------------------------- |
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44 // CMceStateIdle::DoAcceptL |
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45 // ----------------------------------------------------------------------------- |
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46 // |
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47 TBool CMceStateIdle::DoAcceptL( TMceStateTransitionEvent& aEvent ) |
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48 { |
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49 //not accepted |
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50 User::LeaveIfError( aEvent.EventSource() == EMceMedia ? |
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51 KErrTotalLossOfPrecision : |
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52 KErrNone ); |
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53 |
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54 //accepted |
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55 User::LeaveIfError( |
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56 aEvent.EventSource() == EMceSip && aEvent.Code() == EMceInvite ? KErrNone : |
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57 aEvent.EventSource() == EMceClient && aEvent.Code() == EMceItcEstablishSession ? KErrNone : |
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58 KErrTotalLossOfPrecision ); |
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59 |
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60 return ETrue; |
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61 } |
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62 |
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63 // ----------------------------------------------------------------------------- |
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64 // CMceStateIdle::EntryL |
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65 // ----------------------------------------------------------------------------- |
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66 // |
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67 void CMceStateIdle::EntryL( TMceStateTransitionEvent& aEvent ) |
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68 { |
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69 switch( aEvent.Code() ) |
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70 { |
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71 case EMceItcEstablishSession://going to send INVITE out |
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72 { |
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73 EntryEstablishL( aEvent ); |
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74 break; |
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75 } |
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76 case EMceInvite: //INVITE in |
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77 { |
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78 EntryInviteL( aEvent ); |
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79 break; |
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80 } |
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81 default: |
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82 { |
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83 //NOP |
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84 break; |
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85 } |
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86 } |
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87 } |
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88 |
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89 // ----------------------------------------------------------------------------- |
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90 // CMceStateIdle::ExitL |
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91 // ----------------------------------------------------------------------------- |
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92 // |
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93 void CMceStateIdle::ExitL( TMceStateTransitionEvent& aEvent ) |
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94 { |
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95 CMceSipSession& session = aEvent.Session(); |
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96 TInt status = aEvent.ParamStatus(); |
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97 |
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98 switch( aEvent.Code() ) |
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99 { |
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100 case EMceItcEstablishSession: |
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101 { |
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102 //server state -> client establishing, client state -> offering |
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103 session.Actions().ClientStateChanged( aEvent.ParamIDs(), |
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104 CMceSession::EOffering ); |
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105 if ( status == KMceAsync ) |
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106 { |
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107 session.Actions().StateChanged( KMceStateClientEstablishing ); |
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108 } |
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109 else |
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110 { |
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111 session.Actions().StateChanged( KMceStateOffering ); |
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112 } |
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113 break; |
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114 } |
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115 case EMceInvite: |
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116 { |
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117 if ( status == KErrNone || status == KMceAsync ) |
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118 { |
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119 if ( ( session.NatSession() && !session.IsNatDisabled() ) && |
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120 ( &aEvent.Session().Request()) && |
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121 MceSip::HasContent( aEvent.Session().Request() )) |
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122 { |
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123 // Whether synchronous or asynchronous, wait NAT plugin to |
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124 // get initialized |
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125 session.Actions().StateChanged( KMceStateServerInitializing ); |
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126 } |
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127 else |
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128 { |
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129 session.Actions().StateChanged( KMceStateServerEstablishing ); |
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130 } |
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131 } |
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132 else // if error, server state -> terminated |
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133 { |
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134 session.Actions().StateChanged( KMceStateTerminated ); |
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135 } |
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136 break; |
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137 } |
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138 default: |
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139 { |
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140 //NOP |
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141 break; |
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142 } |
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143 } |
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144 } |
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145 |
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146 // ----------------------------------------------------------------------------- |
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147 // CMceStateIdle::EntryEstablishL |
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148 // ----------------------------------------------------------------------------- |
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149 // |
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150 void CMceStateIdle::EntryEstablishL( TMceStateTransitionEvent& aEvent ) |
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151 { |
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152 //update session body based on session received from client |
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153 //and start waiting EMceMceMediaUpdated |
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154 CMceSipSession& session = aEvent.Session(); |
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155 TInt status = KErrNone; |
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156 |
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157 session.Actions().UpdateBodyL( aEvent.ParamIDs(), |
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158 aEvent.ParamClientMessage() ); |
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159 status = session.Actions().UpdateL(); |
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160 |
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161 if ( status == KMceReady ) |
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162 { |
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163 session.Actions().EncodeL(); |
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164 session.FCActions().UpdateFCOfferL( *session.Offer() ); |
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165 session.Actions().SendInviteL(); |
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166 } |
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167 aEvent.ParamStatus() = status; |
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168 } |
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169 |
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170 // ----------------------------------------------------------------------------- |
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171 // CMceStateIdle::EntryInviteL |
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172 // ----------------------------------------------------------------------------- |
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173 // |
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174 void CMceStateIdle::EntryInviteL( TMceStateTransitionEvent& aEvent ) |
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175 { |
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176 // Handle incoming INVITE |
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177 CMceSipSession& session = aEvent.Session(); |
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178 TInt status = KErrNone; |
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179 session.Extensions().UpdateL( session.Request() ); |
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180 session.Actions().CheckContactIsSecureL( session.Request() ); |
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181 |
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182 // Pull mode situation |
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183 if ( &session.Request() && !MceSip::HasContent( session.Request() ) ) |
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184 { |
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185 session.Actions().ProcessSessionTimerServerL( session.Request() ); |
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186 session.Actions().ClientUpdateIncomingSessionL( session.Request() ); |
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187 } |
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188 else |
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189 { |
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190 //create SDP |
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191 status = session.Actions().CreateSDP( session.Request() ); |
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192 if ( MCE_IS_ERROR( status ) ) |
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193 { |
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194 if ( MceSip::IsSIPStackError( status ) ) |
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195 { |
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196 MceSip::DiscardRequest( session.Request(), status ); |
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197 } |
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198 else |
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199 { |
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200 User::Leave( status ); |
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201 } |
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202 } |
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203 else |
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204 { |
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205 //session timer |
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206 session.Actions().ProcessSessionTimerServerL( session.Request() ); |
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207 |
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208 //decode received SDP offer |
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209 //and start waiting EMceItcUpdate, if everything OK |
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210 TMceSipWarningCode warning = session.Actions().DecodeL(); |
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211 |
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212 if ( !warning ) |
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213 { |
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214 status = session.Actions().Update(); |
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215 if ( status == KErrNotSupported ) |
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216 { |
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217 warning = KMceSipWarnSessionDescriptionParameterNotUnderstood; |
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218 } |
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219 } |
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220 |
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221 if ( warning ) //if error, reject offer (4XX out) |
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222 { |
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223 session.Actions().SendRejectOfferWithWarningL( warning, session.Request() ); |
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224 status = KErrAbort; |
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225 } |
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226 else |
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227 { |
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228 //if OK show SDP to FC and send session, created based on SDP |
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229 //to client for updating |
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230 User::LeaveIfError( status ); |
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231 |
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232 if ( !session.NatSession() || session.IsNatDisabled() ) |
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233 { |
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234 session.ContinueHandlingIncomingSessionL(); |
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235 } |
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236 } |
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237 } |
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238 } |
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239 aEvent.ParamStatus() = status; |
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240 } |
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241 |
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242 // End Of File |