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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 : NormalClientTa.cpp |
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15 // Part of : Transaction |
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16 // Version : SIP/5.0 |
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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 "SipAssert.h" |
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22 #include "Lwtimer.h" |
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23 #include "sipresponse.h" |
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24 |
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25 #include "NormalClientTa.h" |
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26 #include "TransactionState.h" |
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27 #include "TransactionTimer.h" |
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28 #include "TimerValues.h" |
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29 #include "RestoreTransactionState.h" |
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30 |
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31 // ----------------------------------------------------------------------------- |
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32 // CNormalClientTransaction::NewL |
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33 // ----------------------------------------------------------------------------- |
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34 // |
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35 CNormalClientTransaction* CNormalClientTransaction::NewL( |
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36 CUserAgentBase& aUserAgent, |
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37 CTransmitter& aTransmitter, |
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38 MTimerManager& aTimers, |
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39 CTransactionState& aInitialState, |
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40 TTimerValues& aTimerValues, |
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41 MTransactionStore& aTransactionStore) |
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42 { |
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43 return new (ELeave) CNormalClientTransaction(aUserAgent, |
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44 aTransmitter, |
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45 aTimers, |
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46 aInitialState, |
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47 aTimerValues, |
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48 aTransactionStore); |
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49 } |
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50 |
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51 // ----------------------------------------------------------------------------- |
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52 // CNormalClientTransaction::CNormalClientTransaction |
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53 // ----------------------------------------------------------------------------- |
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54 // |
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55 CNormalClientTransaction::CNormalClientTransaction(CUserAgentBase& aUserAgent, |
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56 CTransmitter& aTransmitter, |
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57 MTimerManager& aTimers, |
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58 CTransactionState& aInitialState, |
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59 TTimerValues& aTimerValues, |
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60 MTransactionStore& aTransactionStore) : |
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61 CClientTransaction(aUserAgent, |
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62 aTransmitter, |
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63 aTimers, |
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64 aInitialState, |
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65 aTimerValues, |
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66 aTransactionStore) |
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67 { |
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68 } |
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69 |
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70 // ----------------------------------------------------------------------------- |
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71 // CNormalClientTransaction::~CNormalClientTransaction |
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72 // ----------------------------------------------------------------------------- |
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73 // |
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74 CNormalClientTransaction::~CNormalClientTransaction() |
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75 { |
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76 //Scope operator to silence lint warning |
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77 CNormalClientTransaction::CancelAllTimers(); |
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78 } |
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79 |
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80 // ----------------------------------------------------------------------------- |
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81 // CNormalClientTransaction::IncreaseTimerEtoT2 |
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82 // ----------------------------------------------------------------------------- |
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83 // |
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84 void CNormalClientTransaction::IncreaseTimerEtoT2() |
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85 { |
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86 __TEST_INVARIANT; |
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87 __ASSERT_DEBUG(!iTimerE, |
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88 User::Panic(_L("CNormCTa:IncreaseTimerEtoT2"), KErrAlreadyExists)); |
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89 |
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90 iTimerEDuration = iTimerValues.T2(); |
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91 |
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92 __TEST_INVARIANT; |
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93 } |
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94 |
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95 // ----------------------------------------------------------------------------- |
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96 // CNormalClientTransaction::StartTimerEL |
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97 // ----------------------------------------------------------------------------- |
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98 // |
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99 void CNormalClientTransaction::StartTimerEL() |
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100 { |
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101 __TEST_INVARIANT; |
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102 __SIP_ASSERT_LEAVE(!iTimerE, KErrAlreadyExists); |
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103 |
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104 iTimerValues.DoubleUptoT2(iTimerEDuration); |
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105 iTimerE = CTimerRetransmit::NewL(iTimers, this, iTimerEDuration); |
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106 |
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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 // CNormalClientTransaction::StopTimerE |
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112 // ----------------------------------------------------------------------------- |
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113 // |
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114 void CNormalClientTransaction::StopTimerE() |
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115 { |
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116 __TEST_INVARIANT; |
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117 |
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118 delete iTimerE; |
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119 iTimerE = NULL; |
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120 |
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121 __TEST_INVARIANT; |
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122 } |
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123 |
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124 // ----------------------------------------------------------------------------- |
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125 // CNormalClientTransaction::StartTimerFUnlessExistsL |
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126 // ----------------------------------------------------------------------------- |
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127 // |
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128 void CNormalClientTransaction::StartTimerFUnlessExistsL() |
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129 { |
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130 __TEST_INVARIANT; |
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131 |
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132 if (!iTimerF) |
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133 { |
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134 iTimerF = CTimerTerminateTa::NewL(iTimers, |
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135 this, |
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136 iTimerValues.Duration64xT1(), |
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137 KErrTimedOut); |
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138 } |
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139 |
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140 __TEST_INVARIANT; |
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141 } |
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142 |
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143 // ----------------------------------------------------------------------------- |
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144 // CNormalClientTransaction::StopTimerF |
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145 // ----------------------------------------------------------------------------- |
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146 // |
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147 void CNormalClientTransaction::StopTimerF() |
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148 { |
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149 __TEST_INVARIANT; |
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150 |
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151 delete iTimerF; |
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152 iTimerF = NULL; |
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153 |
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154 __TEST_INVARIANT; |
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155 } |
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156 |
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157 // ----------------------------------------------------------------------------- |
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158 // CNormalClientTransaction::StartTimerKL |
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159 // Duration is 0s for reliable and T4 for unreliable transports. |
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160 // ----------------------------------------------------------------------------- |
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161 // |
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162 void CNormalClientTransaction::StartTimerKL() |
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163 { |
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164 __TEST_INVARIANT; |
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165 __SIP_ASSERT_LEAVE(!iTimerK, KErrAlreadyExists); |
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166 |
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167 TUint32 duration = 0; |
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168 if (IsUnreliableTransportUsed()) |
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169 { |
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170 duration = iTimerValues.T4(); |
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171 } |
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172 |
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173 iTimerK = CTimerTerminateTa::NewL(iTimers, this, duration); |
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174 |
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175 __TEST_INVARIANT; |
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176 } |
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177 |
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178 // ----------------------------------------------------------------------------- |
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179 // CNormalClientTransaction::StopTimerK |
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180 // ----------------------------------------------------------------------------- |
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181 // |
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182 void CNormalClientTransaction::StopTimerK() |
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183 { |
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184 __TEST_INVARIANT; |
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185 |
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186 delete iTimerK; |
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187 iTimerK = NULL; |
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188 |
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189 __TEST_INVARIANT; |
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190 } |
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191 |
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192 // ----------------------------------------------------------------------------- |
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193 // CNormalClientTransaction::DeleteTimer |
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194 // ----------------------------------------------------------------------------- |
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195 // |
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196 void CNormalClientTransaction::DeleteTimer(const CTransactionTimer& aTimer) |
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197 { |
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198 __TEST_INVARIANT; |
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199 |
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200 if (&aTimer == iTimerE) |
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201 { |
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202 StopTimerE(); |
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203 } |
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204 |
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205 if (&aTimer == iTimerF) |
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206 { |
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207 StopTimerF(); |
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208 } |
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209 |
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210 if (&aTimer == iTimerK) |
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211 { |
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212 StopTimerK(); |
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213 } |
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214 |
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215 __TEST_INVARIANT; |
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216 } |
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217 |
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218 // ----------------------------------------------------------------------------- |
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219 // CNormalClientTransaction::CancelAllTimers |
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220 // ----------------------------------------------------------------------------- |
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221 // |
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222 void CNormalClientTransaction::CancelAllTimers() |
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223 { |
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224 __TEST_INVARIANT; |
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225 |
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226 StopTimerE(); |
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227 StopTimerF(); |
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228 StopTimerK(); |
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229 |
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230 __TEST_INVARIANT; |
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231 } |
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232 |
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233 // ----------------------------------------------------------------------------- |
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234 // CNormalClientTransaction::Ptr |
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235 // ----------------------------------------------------------------------------- |
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236 // |
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237 CNormalClientTransaction& |
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238 CNormalClientTransaction::Ptr(CTransaction& aTransaction) |
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239 { |
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240 return static_cast<CNormalClientTransaction&>(aTransaction); |
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241 } |
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242 |
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243 // ----------------------------------------------------------------------------- |
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244 // CNormalClientTransaction::ReceiveResponseL |
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245 // Stop timers when transaction can no longer return to previous state. |
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246 // ----------------------------------------------------------------------------- |
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247 // |
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248 void CNormalClientTransaction::ReceiveResponseL(CSIPResponse* aResponse, |
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249 const CTransactionState& aCurrentState, |
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250 const CTransactionState& aProceeding, |
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251 const CTransactionState& aCompleted) |
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252 { |
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253 __TEST_INVARIANT; |
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254 __SIP_ASSERT_LEAVE(aResponse, KErrArgument); |
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255 |
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256 if (ShouldTaHandleResponse(aResponse)) |
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257 { |
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258 TUint respCode = aResponse->ResponseCode(); |
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259 if (respCode >= 200) |
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260 { |
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261 StartTimerKL(); |
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262 ChangeState(aCompleted); |
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263 } |
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264 else |
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265 { |
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266 ChangeState(aProceeding); |
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267 } |
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268 |
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269 TRestoreTransactionState restoreState(*this, aCurrentState, iTimerK); |
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270 CleanupStack::PushL(restoreState.CleanupItem()); |
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271 |
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272 PassResponseToUserAgentL(aResponse); |
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273 |
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274 CleanupStack::Pop(); //cleanupItem |
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275 |
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276 if (respCode >= 200) |
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277 { |
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278 StopTimerE(); |
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279 StopTimerF(); |
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280 } |
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281 } |
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282 |
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283 __TEST_INVARIANT; |
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284 } |
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285 |
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286 // ----------------------------------------------------------------------------- |
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287 // CNormalClientTransaction::__DbgTestInvariant |
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288 // ----------------------------------------------------------------------------- |
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289 // |
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290 |
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291 void CNormalClientTransaction::__DbgTestInvariant() const |
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292 { |
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293 if (iTimerEDuration > iTimerValues.T2()) |
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294 { |
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295 User::Invariant(); |
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296 } |
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297 } |