author | hgs |
Fri, 03 Sep 2010 14:13:12 +0300 | |
changeset 48 | c4cbfcae3f52 |
parent 0 | 1bce908db942 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Negotiating state implementation. |
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* |
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*/ |
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|
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#include <sdpdocument.h> |
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#include "nspstatenegotiating.h" |
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#include "nspevents.h" |
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#include "nspsession.h" |
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#include "nspactionset.h" |
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#include "nspsessiondata.h" |
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#include "nspdefs.h" |
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#define MISMATCH( aData ) \ |
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( aData.SubState() == CNSPSessionData::ESubMismatch ||\ |
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aData.SubState() == CNSPSessionData::ESubAll ) |
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#define REMOTELITE( aData ) \ |
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( aData.SubState() == CNSPSessionData::ESubRemoteLite ||\ |
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aData.SubState() == CNSPSessionData::ESubAll ) |
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// ======== MEMBER FUNCTIONS ======== |
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// --------------------------------------------------------------------------- |
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// CNSPStateNegotiating::CNSPStateNegotiating |
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// --------------------------------------------------------------------------- |
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// |
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CNSPStateNegotiating::CNSPStateNegotiating() |
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{ |
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} |
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// --------------------------------------------------------------------------- |
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// CNSPStateNegotiating::NewL |
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// --------------------------------------------------------------------------- |
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// |
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CNSPStateNegotiating* CNSPStateNegotiating::NewL() |
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{ |
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CNSPStateNegotiating* self = CNSPStateNegotiating::NewLC(); |
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CleanupStack::Pop( self ); |
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return self; |
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} |
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// --------------------------------------------------------------------------- |
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// CNSPStateNegotiating::NewLC |
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// --------------------------------------------------------------------------- |
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// |
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CNSPStateNegotiating* CNSPStateNegotiating::NewLC() |
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{ |
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CNSPStateNegotiating* self = new ( ELeave ) CNSPStateNegotiating; |
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CleanupStack::PushL( self ); |
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return self; |
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} |
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// --------------------------------------------------------------------------- |
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// CNSPStateNegotiating::~CNSPStateNegotiating |
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// --------------------------------------------------------------------------- |
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// |
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CNSPStateNegotiating::~CNSPStateNegotiating() |
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{ |
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} |
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// --------------------------------------------------------------------------- |
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// CNSPStateNegotiating::DoAcceptL |
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// --------------------------------------------------------------------------- |
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// |
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TBool CNSPStateNegotiating::DoAcceptL( TNSPStateMachineEvent& aEvent ) |
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{ |
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User::LeaveIfError( |
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TNSPStateMachineEvent::ENat == aEvent.Request() || |
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TNSPStateMachineEvent::EUpdate == aEvent.Request() || |
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TNSPStateMachineEvent::EDecodeAnswer == aEvent.Request() || |
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TNSPStateMachineEvent::EReservationStatus == aEvent.Request() || |
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TNSPStateMachineEvent::ECloseSession == aEvent.Request() ? |
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KErrNone : KErrArgument ); |
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return ETrue; |
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} |
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// --------------------------------------------------------------------------- |
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// CNSPStateNegotiating::DoStateEntryL |
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// --------------------------------------------------------------------------- |
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// |
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void CNSPStateNegotiating::DoStateEntryL( TNSPStateMachineEvent& aEvent ) |
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{ |
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CNSPSession& session = aEvent.Session(); |
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if ( OFFERER( session.Role() ) ) |
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{ |
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session.Actions().SetInboundCredentialsL(); |
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aEvent.Offer() = session.Data().ReleaseOffer(); |
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106 |
aEvent.CallbackType() = TEventReturnStatus::EOfferReady; |
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} |
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108 |
else |
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109 |
{ |
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110 |
User::Leave( KErrArgument ); |
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111 |
} |
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} |
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113 |
|
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114 |
|
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// --------------------------------------------------------------------------- |
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116 |
// CNSPStateNegotiating::DoReverse |
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// --------------------------------------------------------------------------- |
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118 |
// |
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119 |
void CNSPStateNegotiating::DoReverse( TNSPStateMachineEvent& aEvent ) |
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120 |
{ |
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121 |
aEvent.Session().Data().SetAnswer( NULL ); |
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aEvent.Session().Role() = CNSPSession::EUndefined; |
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} |
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124 |
|
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125 |
|
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126 |
// --------------------------------------------------------------------------- |
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// CNSPStateNegotiating::DoApplyL |
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// --------------------------------------------------------------------------- |
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// |
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void CNSPStateNegotiating::DoApplyL( TNSPStateMachineEvent& aEvent ) |
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131 |
{ |
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switch( aEvent.Request() ) |
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133 |
{ |
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134 |
case TNSPStateMachineEvent::ENat: |
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135 |
{ |
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ControlMediaL( aEvent ); |
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137 |
break; |
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138 |
} |
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139 |
|
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140 |
case TNSPStateMachineEvent::EDecodeAnswer: |
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141 |
{ |
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142 |
ApplyDecodeAnswerL( aEvent ); |
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143 |
break; |
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144 |
} |
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145 |
|
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146 |
case TNSPStateMachineEvent::EReservationStatus: |
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147 |
{ |
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148 |
aEvent.Status() = KNatAsync; |
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149 |
break; |
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150 |
} |
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151 |
|
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152 |
case TNSPStateMachineEvent::ECloseSession: |
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153 |
{ |
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aEvent.Status() = KNatReady; |
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155 |
break; |
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156 |
} |
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157 |
case TNSPStateMachineEvent::EUpdate: |
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158 |
{ |
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159 |
break; |
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160 |
} |
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161 |
default: |
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162 |
{ |
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163 |
User::Leave( KErrArgument ); |
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164 |
} |
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165 |
} |
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166 |
} |
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167 |
|
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168 |
|
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169 |
// --------------------------------------------------------------------------- |
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170 |
// CNSPStateNegotiating::DoExitL |
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171 |
// --------------------------------------------------------------------------- |
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172 |
// |
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173 |
void CNSPStateNegotiating::DoExitL( TNSPStateMachineEvent& aEvent ) |
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174 |
{ |
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175 |
CNSPSession& session = aEvent.Session(); |
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176 |
|
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177 |
switch( aEvent.Request() ) |
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178 |
{ |
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179 |
case TNSPStateMachineEvent::ENat: |
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180 |
{ |
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181 |
break; |
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182 |
} |
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|
183 |
|
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|
184 |
case TNSPStateMachineEvent::EDecodeAnswer: |
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185 |
{ |
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186 |
session.Data().SetAnswer( aEvent.Answer()->CloneL() ); |
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|
187 |
session.Role() = CNSPSession::EOfferer; |
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|
188 |
break; |
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189 |
} |
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|
190 |
|
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191 |
default: |
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192 |
{ |
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193 |
User::Leave( KErrArgument ); |
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194 |
} |
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195 |
} |
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196 |
} |
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|
197 |
|
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198 |
// --------------------------------------------------------------------------- |
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199 |
// CNSPStateNegotiating::ControlMediaL |
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200 |
// --------------------------------------------------------------------------- |
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201 |
// |
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|
202 |
void CNSPStateNegotiating::ControlMediaL( TNSPStateMachineEvent& aEvent ) const |
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203 |
{ |
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204 |
TNSPStateMachineMediaEvent& event = MEDIAEVENT( aEvent ); |
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|
205 |
TNatReturnStatus status = event.Session().Actions().ControlMediaL( |
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206 |
event.StreamId(), event.Event(), event.Status(), event.Data() ); |
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|
207 |
|
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208 |
if ( NSP_TRIGGER( status ) ) |
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209 |
{ |
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210 |
ApplyNatL( event ); |
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211 |
} |
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|
212 |
else |
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|
213 |
{ |
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214 |
event.Status() = status; |
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} |
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} |
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// --------------------------------------------------------------------------- |
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// CNSPStateNegotiating::ApplyNatL |
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// --------------------------------------------------------------------------- |
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// |
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void CNSPStateNegotiating::ApplyNatL( TNSPStateMachineEvent& aEvent ) const |
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{ |
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CNSPSession& session = aEvent.Session(); |
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if ( OFFERER( session.Role() ) ) |
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{ |
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CSdpDocument& answer = session.Data().Answer(); |
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session.Actions().GetCredentialsL( answer ); |
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session.Actions().GetCandidatesL( answer ); |
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aEvent.NextState() = ( session.Data().UseIce() ? |
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KStateIndexResolving : KStateIndexActivating ); |
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aEvent.Status() = KNatAsync; |
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} |
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else if ( ANSWERER( session.Role() ) ) |
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{ |
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session.Actions().FirstRoundL( session.Data().UpdatedSdp(), EFalse ); |
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aEvent.Offer() = session.Data().ReleaseUpdatedSdp(); |
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aEvent.CallbackType() = TEventReturnStatus::EUpdateSdp; |
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} |
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else |
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{ |
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User::Leave( KErrArgument ); |
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} |
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} |
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|
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// --------------------------------------------------------------------------- |
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// CNSPStateNegotiating::ApplyDecodeAnswerL |
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// --------------------------------------------------------------------------- |
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// |
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void CNSPStateNegotiating::ApplyDecodeAnswerL( TNSPStateMachineEvent& aEvent ) |
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const |
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{ |
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TNatReturnStatus status = KNatReady; |
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CNSPSession& session = aEvent.Session(); |
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CSdpDocument* answer = aEvent.Answer(); |
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session.Actions().RemoveStreamsL( *answer ); |
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status = session.Actions().GetSessionModifiersL( *answer, |
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CNSPSession::EOfferer ); |
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|
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CNSPSessionData& sessionData = session.Data(); |
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if ( KNatAsync == status && !REMOTELITE( sessionData ) ) |
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{ |
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session.Data().SetAnswer( answer->CloneL() ); |
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session.Role() = CNSPSession::EOfferer; |
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session.Actions().RestartWithoutIce(); |
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session.Actions().LoadPluginL(); |
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session.Actions().FetchL(); |
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} |
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else |
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{ |
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session.Actions().GetCredentialsL( *answer ); |
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session.Actions().GetCandidatesL( *answer ); |
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aEvent.NextState() = ( session.Data().UseIce() ? |
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KStateIndexResolving : KStateIndexActivating ); |
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} |
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aEvent.Status() = KNatAsync; |
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} |
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// end of file |