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1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // Name : CancelUAC.cpp |
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15 // Part of : TransactionUser |
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16 // Version : SIP/6.0 |
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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 "siperr.h" |
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22 #include "SipAssert.h" |
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23 #include "siprequest.h" |
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24 #include "sipfromheader.h" |
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25 #include "sipstrings.h" |
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26 #include "sipstrconsts.h" |
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27 |
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28 #include "CancelUAC.h" |
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29 #include "InviteUAC.h" |
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30 #include "CTransactionStore.h" |
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31 #include "SIPMessageUtility.h" |
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32 #include "SIPRequestUtility.h" |
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33 |
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34 |
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35 // ----------------------------------------------------------------------------- |
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36 // CCancelUAC::NewL |
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37 // ----------------------------------------------------------------------------- |
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38 // |
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39 CCancelUAC* CCancelUAC::NewL(CUserAgentCreateParams& aParams, |
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40 MSipConnectionMgr& aConnectionMgr, |
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41 MSipUriResolver& aResolver, |
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42 CSIPSec& aSIPSec, |
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43 TUint32 aCSeqNumber) |
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44 { |
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45 CCancelUAC* self = |
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46 new (ELeave) CCancelUAC(aParams, aResolver, aSIPSec, aCSeqNumber); |
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47 CleanupStack::PushL(self); |
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48 self->CUserAgent::ConstructL(aConnectionMgr); |
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49 self->CUserAgentClient::ConstructL(); |
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50 CleanupStack::Pop(self); |
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51 return self; |
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52 } |
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53 |
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54 // ----------------------------------------------------------------------------- |
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55 // CCancelUAC::CCancelUAC |
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56 // ----------------------------------------------------------------------------- |
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57 // |
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58 CCancelUAC::CCancelUAC(CUserAgentCreateParams& aParams, |
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59 MSipUriResolver& aResolver, |
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60 CSIPSec& aSIPSec, |
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61 TUint32 aCSeqNumber) : |
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62 CNormalUAC(aParams, aResolver, aSIPSec, aCSeqNumber) |
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63 { |
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64 } |
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65 |
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66 // ----------------------------------------------------------------------------- |
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67 // CCancelUAC::CreateAndSendCancelL |
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68 // ----------------------------------------------------------------------------- |
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69 // |
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70 void CCancelUAC::CreateAndSendCancelL(TTransactionId aInviteTaId) |
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71 { |
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72 CUserAgent* ua = iTransactionStore.SearchById(aInviteTaId); |
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73 |
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74 // CTransactionUser has checked aInviteTaId is a TransactionId of an INVITE |
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75 // client transaction |
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76 __SIP_ASSERT_LEAVE(ua, KErrNotFound); |
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77 __SIP_ASSERT_LEAVE(ua->IsInviteUAC(), KErrGeneral); |
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78 CInviteUAC& inviteUac = CInviteUAC::Ptr(*ua); |
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79 __ASSERT_ALWAYS(!inviteUac.IsCanceled(), |
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80 User::Leave(KErrSIPInvalidTransactionState)); |
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81 |
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82 CreateCancelRequestL(aInviteTaId, inviteUac); |
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83 SendCancelRequestL(inviteUac); |
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84 } |
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85 |
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86 // ----------------------------------------------------------------------------- |
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87 // CCancelUAC::CreateCancelRequestL |
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88 // Use Route headers of INVITE, in CANCEL. |
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89 // ----------------------------------------------------------------------------- |
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90 // |
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91 void CCancelUAC::CreateCancelRequestL(TTransactionId aInviteTaId, |
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92 CInviteUAC& aInviteUac) |
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93 { |
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94 __SIP_ASSERT_LEAVE(!iOutgoingMsg, KErrNotFound); |
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95 |
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96 iOutgoingMsg = |
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97 CSIPRequest::NewL(SIPStrings::StringF(SipStrConsts::ECancel)); |
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98 CSIPRequest* cancel = static_cast<CSIPRequest*>(iOutgoingMsg); |
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99 |
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100 iTransactionStore.CopyHeadersToRequestL(aInviteTaId, |
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101 *cancel, |
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102 ETrue, // copy Request-URI |
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103 ETrue); // copy Via |
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104 SIPRequestUtility::FillNewMaxForwardsL(*cancel); |
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105 CheckContactHeadersL(*cancel, cancel->From()); |
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106 StoreRequestUriL(*cancel); |
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107 |
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108 aInviteUac.CancelInvite(); |
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109 aInviteUac.CopyRouteHeadersToCancelL(*cancel); |
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110 |
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111 CopyRouteSetAndRemoteTargetL(aInviteUac); |
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112 } |
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113 |
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114 // ----------------------------------------------------------------------------- |
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115 // CCancelUAC::SendCancelRequestL |
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116 // ----------------------------------------------------------------------------- |
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117 // |
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118 void CCancelUAC::SendCancelRequestL(CUserAgentClient& aInviteUac) |
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119 { |
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120 __SIP_ASSERT_LEAVE(iOutgoingMsg, KErrNotFound); |
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121 |
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122 CreateTransactionL(); |
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123 |
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124 // Update CANCEL's and transaction's info |
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125 UpdateInfoToStoreL(static_cast<CSIPRequest*>(iOutgoingMsg)); |
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126 |
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127 // Obtain the current remote address used by INVITE transaction |
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128 CopyRemoteAddress(aInviteUac); |
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129 |
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130 // Don't use SelectNextRemoteAddressL, as CancelUAC's address and transport |
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131 // are in iRemoteAddr and iTransportProtocol, not in iResolvingResults. |
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132 CSIPMessageUtility::UpdateViaTransportL(*iOutgoingMsg, iTransportProtocol); |
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133 |
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134 SendRequestToNetworkL(); |
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135 } |
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136 |
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137 // ----------------------------------------------------------------------------- |
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138 // CCancelUAC::Ptr |
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139 // ----------------------------------------------------------------------------- |
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140 // |
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141 CCancelUAC& CCancelUAC::Ptr(CUserAgent& aUserAgent) |
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142 { |
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143 return static_cast<CCancelUAC&>(aUserAgent); |
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144 } |