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1 // Copyright (c) 2007-2009 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 : InviteUAS.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 "sipinternalerr.h" |
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23 #include "SipAssert.h" |
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24 #include "sipresponse.h" |
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25 #include "sipstrings.h" |
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26 #include "sipstrconsts.h" |
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27 #include "MSipDialogs.h" |
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28 #include "TransactionMgr.h" |
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29 #include "Transmitter.h" |
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30 |
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31 #include "MTransactionOwner.h" |
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32 #include "InviteUAS.h" |
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33 #include "InviteServerTa.h" // Leave2xxForUAS |
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34 #include "SIPMessageUtility.h" |
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35 #include "CTransactionStore.h" |
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36 #include "UserAgentState.h" |
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37 #include "UserAgentTimer.h" |
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38 #include "TimerValues.h" |
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39 |
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40 |
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41 // ----------------------------------------------------------------------------- |
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42 // CInviteUAS::NewL |
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43 // ----------------------------------------------------------------------------- |
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44 // |
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45 CInviteUAS* CInviteUAS::NewL(CUserAgentCreateParams& aParams, |
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46 MSipConnectionMgr& aConnectionMgr, |
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47 MSIPRequestRouter& aRouter, |
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48 MSipDialogs& aDialogs) |
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49 { |
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50 CInviteUAS* self = new (ELeave) CInviteUAS(aParams, aDialogs, aRouter); |
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51 CleanupStack::PushL(self); |
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52 self->ConstructL(aConnectionMgr); |
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53 CleanupStack::Pop(self); |
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54 return self; |
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55 } |
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56 |
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57 // ----------------------------------------------------------------------------- |
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58 // CInviteUAS::CInviteUAS |
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59 // ----------------------------------------------------------------------------- |
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60 // |
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61 CInviteUAS::CInviteUAS(CUserAgentCreateParams& aParams, |
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62 MSipDialogs& aDialogs, |
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63 MSIPRequestRouter& aRouter) : |
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64 CUserAgentServer(aParams, aDialogs, aRouter) |
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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 // CInviteUAS::ConstructL |
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70 // ----------------------------------------------------------------------------- |
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71 // |
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72 void CInviteUAS::ConstructL(MSipConnectionMgr& aConnectionMgr) |
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73 { |
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74 CUserAgent::ConstructL(aConnectionMgr); |
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75 CreateTransactionL(); |
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76 } |
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77 |
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78 // ----------------------------------------------------------------------------- |
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79 // CInviteUAS::~CInviteUAS |
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80 // Transaction must clear pointers to the 2xx, as UAS will delete the 2xx. |
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81 // ----------------------------------------------------------------------------- |
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82 // |
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83 CInviteUAS::~CInviteUAS() |
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84 { |
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85 CancelAllTimers(); |
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86 |
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87 if (IsSending2xx() && iTransaction && !iTransaction->HasTerminated()) |
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88 { |
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89 CInviteServerTransaction::Ptr(*iTransaction).Leave2xxForUAS(); |
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90 } |
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91 } |
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92 |
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93 // ----------------------------------------------------------------------------- |
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94 // CInviteUAS::CreateTransactionL |
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95 // ----------------------------------------------------------------------------- |
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96 // |
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97 void CInviteUAS::CreateTransactionL() |
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98 { |
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99 __TEST_INVARIANT; |
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100 __SIP_ASSERT_LEAVE(!iTransaction && iTransmitter, KErrAlreadyExists); |
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101 |
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102 iTransaction = iTransactionMgr.CreateTransactionL( |
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103 CTransactionBase::KServerInviteTransaction, |
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104 *this, |
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105 *iTransmitter, |
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106 iTimerValues); |
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107 __TEST_INVARIANT; |
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108 } |
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109 |
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110 // ----------------------------------------------------------------------------- |
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111 // CInviteUAS::DoesDialogExistForAckL |
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112 // ----------------------------------------------------------------------------- |
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113 // |
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114 TBool CInviteUAS::DoesDialogExistForAckL(CSIPRequest& aAck) |
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115 { |
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116 __TEST_INVARIANT; |
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117 |
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118 CSIPResponse* resp(NULL); |
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119 MTransactionOwner* taOwner = iDialogs.TransactionOwnerL(aAck, &resp); |
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120 if (taOwner) |
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121 { |
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122 iObserver = taOwner; |
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123 return ETrue; |
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124 } |
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125 |
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126 // Nothing is sent after ACK |
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127 delete resp; |
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128 |
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129 __TEST_INVARIANT; |
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130 return EFalse; |
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131 } |
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132 |
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133 // ----------------------------------------------------------------------------- |
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134 // CInviteUAS::SendFirst2xxL |
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135 // Clear transaction from CTransactionStore, so further INVITEs/ACKs are passed |
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136 // to UAS, and not to transaction. INVITE UAS owns the 2xx. |
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137 // ----------------------------------------------------------------------------- |
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138 // |
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139 void CInviteUAS::SendFirst2xxL(CSIPResponse* aResp) |
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140 { |
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141 __TEST_INVARIANT; |
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142 __SIP_ASSERT_LEAVE(aResp, KErrArgument); |
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143 __SIP_ASSERT_LEAVE(aResp->Type() == CSIPResponse::E2XX, KErrArgument); |
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144 |
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145 iTransactionStore.ClearTransaction(TransactionId()); |
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146 StartTimerWaitAckL(); |
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147 SendResponseToTransactionL(aResp); |
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148 iOutgoingMsg = aResp; |
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149 |
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150 __TEST_INVARIANT; |
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151 } |
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152 |
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153 // ----------------------------------------------------------------------------- |
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154 // CInviteUAS::Retransmit2xxL |
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155 // ----------------------------------------------------------------------------- |
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156 // |
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157 void CInviteUAS::Retransmit2xxL() |
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158 { |
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159 __TEST_INVARIANT; |
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160 __SIP_ASSERT_LEAVE(iOutgoingMsg && iTransmitter, KErrGeneral); |
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161 __SIP_ASSERT_LEAVE( |
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162 static_cast<CSIPResponse*>(iOutgoingMsg)->Type() == CSIPResponse::E2XX, |
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163 KErrSIPMalformedMessage); |
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164 |
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165 iTransmitter->SendResponseL(static_cast<CSIPResponse&>(*iOutgoingMsg), |
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166 TransportParams(), |
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167 this, |
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168 TransactionId()); |
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169 __TEST_INVARIANT; |
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170 } |
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171 |
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172 // ----------------------------------------------------------------------------- |
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173 // CInviteUAS::CancelInviteL |
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174 // ----------------------------------------------------------------------------- |
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175 // |
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176 void CInviteUAS::CancelInviteL() |
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177 { |
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178 __TEST_INVARIANT; |
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179 |
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180 if (!iCanceled) |
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181 { |
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182 iCanceled = State().CancelL(*this); |
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183 } |
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184 |
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185 __TEST_INVARIANT; |
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186 } |
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187 |
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188 // ----------------------------------------------------------------------------- |
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189 // CInviteUAS::HandleCancelInviteL |
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190 // ----------------------------------------------------------------------------- |
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191 // |
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192 void CInviteUAS::HandleCancelInviteL(const CUserAgentState& aRejected) |
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193 { |
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194 __TEST_INVARIANT; |
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195 |
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196 if (iTransaction) |
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197 { |
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198 SendErrorResponseL(487, |
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199 SIPStrings::StringF(SipStrConsts::EPhraseRequestTerminated), |
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200 aRejected); |
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201 } |
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202 |
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203 if (!InformObserverAboutCancel()) |
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204 { |
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205 // Waiting to get MTransactionOwner. End silently. |
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206 CancelGetOwnerRequest(); |
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207 StopTimerOwnerResolver(); |
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208 } |
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209 |
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210 __TEST_INVARIANT; |
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211 } |
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212 |
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213 // ----------------------------------------------------------------------------- |
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214 // CInviteUAS::InformObserverAboutCancel |
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215 // ----------------------------------------------------------------------------- |
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216 // |
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217 TBool CInviteUAS::InformObserverAboutCancel() |
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218 { |
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219 if (iObserver) |
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220 { |
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221 // INVITE was passed to iObserver, run transaction silently to end |
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222 iObserver->TransactionEnded(iTransportParams.IapId(), |
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223 TransactionId(), |
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224 KInviteTransactionCancelled); |
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225 iObserver = NULL; |
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226 return ETrue; |
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227 } |
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228 return EFalse; |
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229 } |
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230 |
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231 // ----------------------------------------------------------------------------- |
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232 // CInviteUAS::IsSending2xx |
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233 // ----------------------------------------------------------------------------- |
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234 // |
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235 TBool CInviteUAS::IsSending2xx() const |
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236 { |
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237 __TEST_INVARIANT; |
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238 return iOutgoingMsg && CSIPMessageUtility::Is2xxResponse(*iOutgoingMsg); |
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239 } |
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240 |
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241 // ----------------------------------------------------------------------------- |
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242 // CInviteUAS::StartTimerRetransmit2xxL |
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243 // ----------------------------------------------------------------------------- |
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244 // |
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245 void CInviteUAS::StartTimerRetransmit2xxL() |
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246 { |
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247 __TEST_INVARIANT; |
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248 __SIP_ASSERT_LEAVE(!iTimerRetransmit2xx, KErrAlreadyExists); |
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249 |
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250 iTimerValues.DoubleUptoT2(iTimerRetransmit2xxDuration); |
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251 iTimerRetransmit2xx = |
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252 CTimerRetransmit2xx::NewL(iTimers, |
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253 this, |
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254 iTimerRetransmit2xxDuration); |
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255 __TEST_INVARIANT; |
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256 } |
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257 |
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258 // ----------------------------------------------------------------------------- |
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259 // CInviteUAS::StopTimerRetransmit2xx |
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260 // ----------------------------------------------------------------------------- |
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261 // |
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262 void CInviteUAS::StopTimerRetransmit2xx() |
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263 { |
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264 __TEST_INVARIANT; |
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265 |
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266 delete iTimerRetransmit2xx; |
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267 iTimerRetransmit2xx = NULL; |
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268 |
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269 __TEST_INVARIANT; |
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270 } |
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271 |
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272 // ----------------------------------------------------------------------------- |
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273 // CInviteUAS::StartTimerWaitAckL |
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274 // ----------------------------------------------------------------------------- |
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275 // |
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276 void CInviteUAS::StartTimerWaitAckL() |
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277 { |
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278 __TEST_INVARIANT; |
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279 __SIP_ASSERT_LEAVE(!iTimerWaitAck, KErrAlreadyExists); |
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280 |
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281 iTimerWaitAck = CTimerStopUA::NewL(iTimers, |
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282 this, |
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283 iTimerValues.Duration64xT1(), |
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284 KErrSIPNoAckReceived); |
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285 __TEST_INVARIANT; |
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286 } |
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287 |
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288 // ----------------------------------------------------------------------------- |
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289 // CInviteUAS::StopTimerWaitAck |
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290 // ----------------------------------------------------------------------------- |
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291 // |
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292 void CInviteUAS::StopTimerWaitAck() |
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293 { |
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294 __TEST_INVARIANT; |
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295 |
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296 delete iTimerWaitAck; |
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297 iTimerWaitAck = NULL; |
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298 |
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299 __TEST_INVARIANT; |
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300 } |
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301 |
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302 // ----------------------------------------------------------------------------- |
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303 // CInviteUAS::DeleteTimer |
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304 // ----------------------------------------------------------------------------- |
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305 // |
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306 void CInviteUAS::DeleteTimer(const CUserAgentTimer& aTimer) |
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307 { |
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308 __TEST_INVARIANT; |
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309 |
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310 if (&aTimer == iTimerRetransmit2xx) |
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311 { |
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312 StopTimerRetransmit2xx(); |
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313 } |
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314 |
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315 if (&aTimer == iTimerWaitAck) |
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316 { |
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317 StopTimerWaitAck(); |
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318 } |
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319 |
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320 if (&aTimer == iTimerOwnerResolver) |
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321 { |
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322 StopTimerOwnerResolver(); |
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323 } |
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324 |
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325 __TEST_INVARIANT; |
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326 } |
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327 |
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328 // ----------------------------------------------------------------------------- |
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329 // CInviteUAS::CancelAllTimers |
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330 // ----------------------------------------------------------------------------- |
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331 // |
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332 void CInviteUAS::CancelAllTimers() |
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333 { |
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334 __TEST_INVARIANT; |
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335 |
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336 StopTimerRetransmit2xx(); |
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337 StopTimerWaitAck(); |
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338 StopTimerOwnerResolver(); |
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339 |
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340 __TEST_INVARIANT; |
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341 } |
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342 |
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343 // ----------------------------------------------------------------------------- |
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344 // CInviteUAS::Ptr |
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345 // ----------------------------------------------------------------------------- |
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346 // |
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347 CInviteUAS& CInviteUAS::Ptr(CUserAgent& aUserAgent) |
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348 { |
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349 return static_cast<CInviteUAS&>(aUserAgent); |
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350 } |
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351 |
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352 // ----------------------------------------------------------------------------- |
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353 // CInviteUAS::__DbgTestInvariant |
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354 // ----------------------------------------------------------------------------- |
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355 // |
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356 |
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357 void CInviteUAS::__DbgTestInvariant() const |
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358 { |
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359 if (iTimerRetransmit2xxDuration > iTimerValues.T2()) |
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360 { |
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361 User::Invariant(); |
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362 } |
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363 } |
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364 |