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1 /* |
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2 * Copyright (c) 2007 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: Connected state implementation. |
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15 * |
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16 */ |
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17 |
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18 #include <sdpdocument.h> |
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19 #include "nspstateconnected.h" |
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20 #include "nspevents.h" |
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21 #include "nspsession.h" |
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22 #include "nspactionset.h" |
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23 #include "nspsessiondata.h" |
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24 #include "nspdefs.h" |
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25 |
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26 // ======== MEMBER FUNCTIONS ======== |
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27 // --------------------------------------------------------------------------- |
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28 // CNSPStateConnected::CNSPStateConnected |
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29 // --------------------------------------------------------------------------- |
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30 // |
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31 CNSPStateConnected::CNSPStateConnected() |
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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 // --------------------------------------------------------------------------- |
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37 // CNSPStateConnected::NewL |
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38 // --------------------------------------------------------------------------- |
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39 // |
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40 CNSPStateConnected* CNSPStateConnected::NewL() |
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41 { |
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42 CNSPStateConnected* self = CNSPStateConnected::NewLC(); |
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43 CleanupStack::Pop( self ); |
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44 return self; |
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45 } |
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46 |
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47 |
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48 // --------------------------------------------------------------------------- |
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49 // CNSPStateConnected::NewLC |
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50 // --------------------------------------------------------------------------- |
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51 // |
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52 CNSPStateConnected* CNSPStateConnected::NewLC() |
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53 { |
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54 CNSPStateConnected* self = new ( ELeave ) CNSPStateConnected; |
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55 CleanupStack::PushL( self ); |
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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 // --------------------------------------------------------------------------- |
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61 // CNSPStateConnected::~CNSPStateConnected |
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62 // --------------------------------------------------------------------------- |
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63 // |
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64 CNSPStateConnected::~CNSPStateConnected() |
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65 { |
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66 } |
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67 |
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68 |
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69 // --------------------------------------------------------------------------- |
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70 // CNSPStateConnected::DoAcceptL |
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71 // --------------------------------------------------------------------------- |
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72 // |
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73 TBool CNSPStateConnected::DoAcceptL( TNSPStateMachineEvent& aEvent ) |
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74 { |
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75 TBool accept = ETrue; |
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76 |
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77 User::LeaveIfError( |
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78 TNSPStateMachineEvent::ENat == aEvent.Request() || |
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79 TNSPStateMachineEvent::ECreateOffer == aEvent.Request() || |
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80 TNSPStateMachineEvent::EResolve == aEvent.Request() || |
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81 TNSPStateMachineEvent::EDecodeAnswer == aEvent.Request() || |
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82 TNSPStateMachineEvent::EUpdate == aEvent.Request() || |
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83 TNSPStateMachineEvent::EReservationStatus == aEvent.Request() || |
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84 TNSPStateMachineEvent::ECloseSession == aEvent.Request() ? |
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85 KErrNone : KErrTotalLossOfPrecision ); |
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86 |
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87 if ( TNSPStateMachineEvent::ENat == aEvent.Request() ) |
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88 { |
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89 // Events are ignored if return value from this method is 'EFalse'. |
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90 TNSPStateMachineMediaEvent& event = MEDIAEVENT( aEvent ); |
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91 |
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92 accept = ( |
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93 MNATFWConnectivityObserver::EReceivingActivated == event.Event() || |
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94 MNATFWConnectivityObserver::ESendingActivated == event.Event() || |
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95 ( MNATFWConnectivityObserver::EGeneralError == event.Event() && |
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96 NSP_ERROR( event.Status() ) ) ); |
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97 } |
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98 |
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99 return accept; |
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100 } |
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101 |
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102 |
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103 // --------------------------------------------------------------------------- |
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104 // CNSPStateConnected::DoStateEntryL |
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105 // --------------------------------------------------------------------------- |
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106 // |
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107 void CNSPStateConnected::DoStateEntryL( TNSPStateMachineEvent& aEvent ) |
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108 { |
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109 CNSPSession& session = aEvent.Session(); |
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110 |
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111 session.Actions().UpdateRoundL( session.Data().UpdatedSdp() ); |
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112 |
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113 if ( ANSWERER( session.Role() ) ) |
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114 { |
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115 aEvent.Offer() = session.Data().ReleaseOffer(); |
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116 aEvent.CallbackType() = TEventReturnStatus::EOfferReady; |
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117 } |
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118 else if ( OFFERER( session.Role() ) ) |
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119 { |
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120 aEvent.Answer() = session.Data().ReleaseAnswer(); |
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121 aEvent.CallbackType() = TEventReturnStatus::EAnswerReady; |
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122 } |
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123 else |
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124 { |
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125 User::Leave( KErrArgument ); |
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126 } |
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127 } |
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128 |
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129 |
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130 // --------------------------------------------------------------------------- |
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131 // CNSPStateConnected::DoReverse |
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132 // --------------------------------------------------------------------------- |
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133 // |
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134 void CNSPStateConnected::DoReverse( TNSPStateMachineEvent& aEvent ) |
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135 { |
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136 CNSPSession& session = aEvent.Session(); |
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137 session.Data().SetOffer( NULL ); |
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138 session.Data().SetAnswer( NULL ); |
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139 session.Role() = CNSPSession::EUndefined; |
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140 } |
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141 |
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142 |
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143 // --------------------------------------------------------------------------- |
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144 // CNSPStateConnected::DoApplyL |
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145 // --------------------------------------------------------------------------- |
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146 // |
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147 void CNSPStateConnected::DoApplyL( TNSPStateMachineEvent& aEvent ) |
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148 { |
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149 switch ( aEvent.Request() ) |
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150 { |
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151 case TNSPStateMachineEvent::ENat: |
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152 { |
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153 ControlMediaL( aEvent ); |
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154 break; |
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155 } |
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156 |
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157 case TNSPStateMachineEvent::ECreateOffer: |
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158 { |
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159 ApplyCreateOfferL( aEvent ); |
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160 break; |
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161 } |
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162 |
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163 case TNSPStateMachineEvent::EResolve: |
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164 { |
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165 ApplyResolveL( aEvent ); |
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166 break; |
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167 } |
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168 |
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169 case TNSPStateMachineEvent::EDecodeAnswer: |
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170 { |
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171 ApplyDecodeAnswerL( aEvent ); |
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172 break; |
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173 } |
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174 |
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175 case TNSPStateMachineEvent::EUpdate: |
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176 { |
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177 ApplyUpdateL( aEvent ); |
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178 break; |
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179 } |
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180 |
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181 case TNSPStateMachineEvent::EReservationStatus: |
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182 { |
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183 aEvent.Status() = KNatReady; |
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184 break; |
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185 } |
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186 |
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187 case TNSPStateMachineEvent::ECloseSession: |
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188 { |
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189 aEvent.NextState() = KStateIndexDeActivating; |
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190 aEvent.Status() = KNatAsync; |
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191 break; |
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192 } |
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193 |
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194 default: |
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195 { |
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196 User::Leave( KErrArgument ); |
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197 } |
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198 } |
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199 } |
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200 |
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201 |
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202 // --------------------------------------------------------------------------- |
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203 // CNSPStateConnected::DoExitL |
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204 // --------------------------------------------------------------------------- |
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205 // |
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206 void CNSPStateConnected::DoExitL( TNSPStateMachineEvent& aEvent ) |
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207 { |
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208 CNSPSession& session = aEvent.Session(); |
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209 |
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210 switch ( aEvent.Request() ) |
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211 { |
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212 case TNSPStateMachineEvent::EResolve: |
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213 { |
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214 session.Data().SetOffer( aEvent.Offer()->CloneL() ); |
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215 session.Data().SetAnswer( aEvent.Answer()->CloneL() ); |
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216 session.Role() = CNSPSession::EAnswerer; |
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217 break; |
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218 } |
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219 |
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220 case TNSPStateMachineEvent::EDecodeAnswer: |
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221 { |
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222 session.Data().SetAnswer( aEvent.Answer()->CloneL() ); |
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223 session.Role() = CNSPSession::EOfferer; |
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224 break; |
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225 } |
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226 case TNSPStateMachineEvent::ECreateOffer: |
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227 { |
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228 session.Data().SetOffer( aEvent.Offer()->CloneL() ); |
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229 session.Role() = CNSPSession::EOfferer; |
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230 break; |
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231 } |
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232 case TNSPStateMachineEvent::ECloseSession: |
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233 { |
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234 break; |
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235 } |
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236 |
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237 default: |
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238 { |
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239 User::Leave( KErrArgument ); |
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240 } |
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241 } |
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242 } |
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243 |
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244 |
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245 // --------------------------------------------------------------------------- |
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246 // CNSPStateConnected::ControlMediaL |
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247 // --------------------------------------------------------------------------- |
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248 // |
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249 void CNSPStateConnected::ControlMediaL( TNSPStateMachineEvent& aEvent ) const |
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250 { |
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251 TNSPStateMachineMediaEvent& event = MEDIAEVENT( aEvent ); |
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252 TNatReturnStatus status = event.Session().Actions().ControlMediaL( |
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253 event.StreamId(), event.Event(), event.Status(), event.Data() ); |
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254 |
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255 if ( NSP_TRIGGER( status ) ) |
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256 { |
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257 // NOP |
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258 } |
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259 else |
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260 { |
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261 event.Status() = status; |
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262 } |
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263 } |
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264 |
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265 |
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266 // --------------------------------------------------------------------------- |
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267 // CNSPStateConnected::ApplyCreateOfferL |
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268 // --------------------------------------------------------------------------- |
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269 // |
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270 void CNSPStateConnected::ApplyCreateOfferL( TNSPStateMachineEvent& aEvent ) const |
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271 { |
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272 CNSPSession& session = aEvent.Session(); |
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273 TNatReturnStatus status = KNatReady; |
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274 |
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275 status = session.Actions().CreateStreamsL( *aEvent.Offer() ); |
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276 |
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277 if ( KNatAsync == status ) |
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278 { |
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279 aEvent.NextState() = KStateIndexLocalCand; |
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280 } |
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281 else |
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282 { |
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283 session.Actions().LatterRoundL( *aEvent.Offer() ); |
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284 } |
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285 aEvent.Status() = status; |
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286 } |
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287 |
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288 |
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289 // --------------------------------------------------------------------------- |
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290 // CNSPStateConnected::ApplyResolveL |
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291 // --------------------------------------------------------------------------- |
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292 // |
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293 void CNSPStateConnected::ApplyResolveL( TNSPStateMachineEvent& aEvent ) const |
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294 { |
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295 CNSPSession& session = aEvent.Session(); |
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296 TNatReturnStatus status = KNatReady; |
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297 |
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298 status = session.Actions().CreateStreamsL( *aEvent.Answer() ); |
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299 |
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300 if ( KNatAsync == status ) |
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301 { |
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302 aEvent.NextState() = KStateIndexLocalCand; |
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303 // TBD: Adding media streams, goto Localcand state. |
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304 } |
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305 else |
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306 { |
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307 session.Actions().LatterRoundL( *aEvent.Answer() ); |
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308 session.Actions().GetSessionConnInfoL( *aEvent.Offer() ); // ret ignored |
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309 session.Actions().LocalRoundL( *aEvent.Offer() ); |
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310 } |
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311 |
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312 aEvent.Status() = status; |
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313 } |
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314 |
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315 |
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316 // --------------------------------------------------------------------------- |
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317 // CNSPStateConnected::ApplyDecodeAnswerL |
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318 // --------------------------------------------------------------------------- |
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319 // |
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320 void CNSPStateConnected::ApplyDecodeAnswerL( TNSPStateMachineEvent& aEvent ) const |
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321 { |
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322 CNSPSession& session = aEvent.Session(); |
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323 |
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324 session.Actions().GetSessionConnInfoL( *aEvent.Answer() ); |
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325 session.Actions().LocalRoundL( *aEvent.Answer() ); |
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326 } |
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327 |
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328 |
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329 // --------------------------------------------------------------------------- |
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330 // CNSPStateConnected::ApplyUpdateL |
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331 // --------------------------------------------------------------------------- |
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332 // |
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333 void CNSPStateConnected::ApplyUpdateL( TNSPStateMachineEvent& aEvent ) const |
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334 { |
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335 CNSPSession& session = aEvent.Session(); |
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336 |
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337 if ( OFFERER( session.Role() ) ) |
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338 { |
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339 session.Actions().LocalRoundL( *aEvent.Offer() ); |
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340 } |
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341 else |
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342 { |
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343 User::Leave( KErrArgument ); |
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344 } |
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345 } |
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346 |
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347 // end of file |