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1 // Copyright (c) 2004-2009 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 : multipleaddrressender.cpp |
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15 // Part of : ConnectionMgr |
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16 // Version : SIP/4.0 |
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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 |
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22 #include "multipleaddrressender.h" |
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23 #include "sipresponse.h" |
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24 #include "multiaddrsenderowner.h" |
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25 #include "CSIPServerResolver.h" |
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26 #include "sipuri.h" |
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27 #include "sipviaheader.h" |
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28 #include "siphostport.h" |
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29 #include "SipLogs.h" |
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30 #include "MSIPResolvingResult.h" |
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31 #include "sipstrings.h" |
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32 #include "sipstrconsts.h" |
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33 #include "TSIPTransportParams.h" |
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34 #include "siperr.h" |
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35 |
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36 |
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37 const TInt CMultipleAddrResSender::iMultisenderOffset = |
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38 _FOFF(CMultipleAddrResSender, iMultisenderLink); |
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39 |
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40 // ----------------------------------------------------------------------------- |
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41 // CMultipleAddrResSender::CMultipleAddrResSender |
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42 // ----------------------------------------------------------------------------- |
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43 // |
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44 CMultipleAddrResSender::CMultipleAddrResSender( |
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45 const TSIPTransportParams& aParams, |
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46 MMultiAddrSenderOwner& aOwner, |
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47 MTimerManager& aTimer, |
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48 CSIPServerResolver& aServerResolver, |
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49 TUint aICMPErrorWaitTime |
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50 ) : |
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51 CActive( CActive::EPriorityStandard ), |
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52 iTransportParams( aParams ), |
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53 iOwner( &aOwner ), |
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54 iTimer( aTimer ), |
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55 iServerResolver( aServerResolver ), |
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56 iICMPErrorWaitTime( aICMPErrorWaitTime ), |
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57 iInUse( EFalse ), |
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58 iState( EInitialized ), |
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59 iICMPErrorOccuredWhileActive( EFalse ) |
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60 { |
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61 CActiveScheduler::Add( this ); |
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62 } |
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63 |
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64 // ----------------------------------------------------------------------------- |
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65 // CMultipleAddrResSender::~CMultipleAddrResSender |
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66 // ----------------------------------------------------------------------------- |
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67 // |
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68 CMultipleAddrResSender::~CMultipleAddrResSender() |
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69 { |
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70 CompleteClientRequest( KErrSIPTransportFailure ); |
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71 iTimer.Stop( iTimerId ); |
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72 iServerResolver.Cancel( this ); |
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73 Cancel(); |
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74 iResultArray.ResetAndDestroy(); |
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75 } |
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76 |
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77 // ----------------------------------------------------------------------------- |
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78 // CMultipleAddrResSender::SendL |
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79 // ----------------------------------------------------------------------------- |
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80 // |
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81 void CMultipleAddrResSender::SendL ( CSIPResponse& aResponse, |
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82 const TInetAddr& aAddr, |
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83 TRequestStatus& aStat ) |
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84 { |
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85 __ASSERT_ALWAYS( !iInUse, User::Leave( KErrInUse ) ); |
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86 |
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87 iFirstAddr = aAddr; |
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88 iResponse = &aResponse; |
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89 iInUse = ETrue; |
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90 |
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91 iOwner->SendToNetL( iTransportParams, aResponse, aAddr, iStatus); |
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92 |
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93 iState = CMultipleAddrResSender::ESendingFirst; |
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94 aStat = KRequestPending; |
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95 iClientStatus = &aStat; |
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96 SetActive(); |
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97 } |
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98 |
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99 // ----------------------------------------------------------------------------- |
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100 // CMultipleAddrResSender::ICMPErrorL |
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101 // ----------------------------------------------------------------------------- |
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102 // |
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103 void CMultipleAddrResSender::ICMPErrorL( |
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104 CSipConnectionMgr::TICMPError /*aICMPError*/, |
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105 const TInetAddr& aErrAddress ) |
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106 { |
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107 if ( iState == CMultipleAddrResSender::ESendingList && |
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108 IndexWithinBounds() && |
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109 iResultArray[ iCurrentIndex ]->Address().CmpAddr( aErrAddress ) ) |
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110 { |
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111 iResultArray[ iCurrentIndex ]->SetFailed(ETrue); |
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112 ICMPErrorWithCurrentAddressL(); |
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113 } |
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114 else if ( iState == CMultipleAddrResSender::ESendingFirst ) |
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115 { |
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116 if ( iFirstAddr.Match(aErrAddress) && |
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117 iFirstAddr.Port() == aErrAddress.Port() ) |
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118 { |
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119 ICMPErrorWithCurrentAddressL(); |
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120 } |
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121 } |
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122 else |
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123 { |
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124 // Required by PC-Lint |
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125 } |
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126 } |
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127 |
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128 // ----------------------------------------------------------------------------- |
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129 // CMultipleAddrResSender::RunL |
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130 // ----------------------------------------------------------------------------- |
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131 // |
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132 void CMultipleAddrResSender::RunL() |
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133 { |
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134 CompleteClientRequest( iStatus.Int() ); |
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135 |
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136 if ( iStatus == KErrNone ) |
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137 { |
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138 switch ( iState ) |
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139 { |
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140 case CMultipleAddrResSender::ESendingFirst: |
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141 case CMultipleAddrResSender::ESendingList: |
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142 WaitForICMPErrorsL(); |
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143 break; |
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144 default: |
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145 break; |
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146 } |
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147 } |
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148 else |
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149 { |
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150 iOwner->Remove( this ); |
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151 } |
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152 } |
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153 |
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154 // ----------------------------------------------------------------------------- |
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155 // CMultipleAddrResSender::CancelResponse |
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156 // ----------------------------------------------------------------------------- |
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157 // |
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158 TBool CMultipleAddrResSender::CancelResponse( TRequestStatus& aStat ) |
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159 { |
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160 if ( &aStat == iClientStatus && |
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161 iState == CMultipleAddrResSender::ESendingFirst ) |
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162 { |
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163 CompleteClientRequest( KErrSIPTransportFailure ); |
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164 if ( IsActive() ) |
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165 { |
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166 iOwner->CancelRequest( iStatus ); |
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167 } |
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168 else |
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169 { |
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170 iTimer.Stop( iTimerId ); |
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171 iOwner->Remove( this ); |
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172 } |
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173 return ETrue; |
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174 } |
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175 return EFalse; |
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176 } |
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177 |
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178 // ----------------------------------------------------------------------------- |
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179 // CMultipleAddrResSender::DoCancel |
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180 // ----------------------------------------------------------------------------- |
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181 // |
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182 void CMultipleAddrResSender::DoCancel() |
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183 { |
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184 iOwner->CancelRequest( iStatus ); |
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185 } |
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186 |
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187 // ----------------------------------------------------------------------------- |
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188 // CMultipleAddrResSender::RunError |
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189 // ----------------------------------------------------------------------------- |
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190 // |
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191 TInt CMultipleAddrResSender::RunError( TInt aError ) |
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192 { |
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193 if ( aError != KErrNoMemory ) |
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194 { |
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195 return KErrNone; |
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196 } |
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197 return aError; |
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198 } |
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199 |
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200 // ----------------------------------------------------------------------------- |
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201 // CMultipleAddrResSender::ICMPErrorWithCurrentAddressL |
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202 // ----------------------------------------------------------------------------- |
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203 // |
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204 void CMultipleAddrResSender::ICMPErrorWithCurrentAddressL() |
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205 { |
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206 if ( !IsActive() ) |
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207 { |
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208 iTimer.Stop( iTimerId ); |
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209 SendNextL(); |
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210 } |
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211 else |
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212 { |
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213 iICMPErrorOccuredWhileActive = ETrue; |
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214 } |
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215 } |
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216 |
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217 // ----------------------------------------------------------------------------- |
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218 // CMultipleAddrResSender::WaitForICMPErrorsL |
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219 // ----------------------------------------------------------------------------- |
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220 // |
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221 void CMultipleAddrResSender::WaitForICMPErrorsL() |
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222 { |
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223 if ( iICMPErrorOccuredWhileActive ) |
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224 { |
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225 SendNextL(); |
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226 iICMPErrorOccuredWhileActive = EFalse; |
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227 } |
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228 else |
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229 { |
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230 iTimerId = iTimer.StartL( this, iICMPErrorWaitTime ); |
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231 } |
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232 } |
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233 |
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234 // ----------------------------------------------------------------------------- |
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235 // CMultipleAddrResSender::SendNextL |
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236 // ----------------------------------------------------------------------------- |
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237 // |
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238 void CMultipleAddrResSender::SendNextL() |
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239 { |
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240 if ( IsActive() ) |
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241 { |
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242 return; |
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243 } |
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244 |
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245 if ( iState == CMultipleAddrResSender::ESendingFirst ) |
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246 { |
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247 ResolveL(); |
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248 iState = CMultipleAddrResSender::EResolving; |
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249 return; |
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250 } |
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251 |
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252 if ( iState == CMultipleAddrResSender::EResolving || |
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253 iState == CMultipleAddrResSender::ESendingList ) |
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254 { |
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255 MSIPResolvingResult* result = FirstUnfailedResult(); |
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256 if ( result ) |
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257 { |
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258 SendToNetL( *result ); |
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259 iState = CMultipleAddrResSender::ESendingList; |
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260 } |
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261 else |
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262 { |
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263 // Sending to every resolved address failed, resolve more |
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264 ResolveL(); |
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265 iState = CMultipleAddrResSender::EResolving; |
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266 } |
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267 } |
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268 } |
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269 |
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270 // ----------------------------------------------------------------------------- |
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271 // CMultipleAddrResSender::TimerExpiredL |
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272 // ----------------------------------------------------------------------------- |
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273 // |
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274 void CMultipleAddrResSender::TimerExpiredL (TTimerId /*aTimerId*/, |
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275 TAny* /*aTimerParam*/) |
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276 { |
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277 __SIP_LOG( "CMultipleAddrResSender::TimerExpiredL" ) |
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278 iOwner->Remove( this ); |
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279 } |
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280 |
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281 // ----------------------------------------------------------------------------- |
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282 // CMultipleAddrResSender::Has2xxResponse |
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283 // ----------------------------------------------------------------------------- |
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284 // |
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285 TBool CMultipleAddrResSender::Has2xxResponse() const |
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286 { |
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287 return ( iResponse && iResponse->Type() == CSIPResponse::E2XX ); |
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288 } |
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289 |
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290 // ----------------------------------------------------------------------------- |
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291 // CMultipleAddrResSender::CompletedL |
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292 // ----------------------------------------------------------------------------- |
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293 // |
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294 void CMultipleAddrResSender::CompletedL() |
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295 { |
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296 SendNextL(); |
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297 } |
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298 |
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299 // ----------------------------------------------------------------------------- |
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300 // CMultipleAddrResSender::ErrorOccured |
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301 // ----------------------------------------------------------------------------- |
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302 // |
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303 void CMultipleAddrResSender::ErrorOccured( TInt /*aError*/ ) |
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304 { |
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305 iOwner->Remove( this ); |
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306 } |
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307 |
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308 // ----------------------------------------------------------------------------- |
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309 // CMultipleAddrResSender::SendToNetL |
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310 // ----------------------------------------------------------------------------- |
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311 // |
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312 void CMultipleAddrResSender::SendToNetL( MSIPResolvingResult& aResult ) |
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313 { |
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314 iOwner->SendToNetL( iTransportParams, *iResponse, aResult.Address(), iStatus ); |
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315 SetActive(); |
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316 } |
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317 |
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318 // ----------------------------------------------------------------------------- |
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319 // CMultipleAddrResSender::ResolveL |
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320 // ----------------------------------------------------------------------------- |
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321 // |
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322 void CMultipleAddrResSender::ResolveL() |
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323 { |
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324 if ( iResponse->HasHeader( SIPStrings::StringF(SipStrConsts::EViaHeader) ) ) |
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325 { |
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326 CSIPHeaderBase* header = iResponse->Header( |
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327 SIPStrings::StringF(SipStrConsts::EViaHeader), 0 ); |
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328 CSIPViaHeader* via = static_cast<CSIPViaHeader*>( header ); |
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329 iServerResolver.GetByViaL( *via, iResultArray, this ); |
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330 } |
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331 } |
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332 |
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333 // ----------------------------------------------------------------------------- |
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334 // CMultipleAddrResSender::CompleteClientRequest |
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335 // ----------------------------------------------------------------------------- |
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336 // |
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337 void CMultipleAddrResSender::CompleteClientRequest(TInt aReason) |
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338 { |
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339 if ( iState == CMultipleAddrResSender::ESendingFirst ) |
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340 { |
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341 TRequestStatus* stat = iClientStatus; |
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342 if ( stat && *stat == KRequestPending ) |
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343 { |
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344 User::RequestComplete( stat, aReason ); |
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345 } |
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346 iClientStatus = 0; |
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347 } |
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348 } |
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349 |
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350 // ----------------------------------------------------------------------------- |
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351 // CMultipleAddrResSender::IndexWithinBounds |
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352 // ----------------------------------------------------------------------------- |
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353 // |
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354 TBool CMultipleAddrResSender::IndexWithinBounds() |
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355 { |
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356 return ( iCurrentIndex >= 0 && iCurrentIndex < iResultArray.Count() ); |
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357 } |
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358 |
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359 // ----------------------------------------------------------------------------- |
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360 // CMultipleAddrResSender::FirstUnfailedResult |
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361 // ----------------------------------------------------------------------------- |
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362 // |
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363 MSIPResolvingResult* CMultipleAddrResSender::FirstUnfailedResult() |
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364 { |
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365 for ( TInt i = 0; i < iResultArray.Count(); i++ ) |
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366 { |
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367 MSIPResolvingResult* result = iResultArray[ i ]; |
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368 if ( !result->Failed() ) |
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369 { |
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370 iCurrentIndex = i; |
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371 return result; |
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372 } |
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373 } |
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374 iCurrentIndex = KErrNotFound; |
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375 return 0; |
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376 } |