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1 // Copyright (c) 2005-2009 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 : csipregisterupdating.cpp |
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15 // Part of : SIP Registration |
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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 #include "csipregisterupdating.h" |
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22 #include "csip423responsereceived.h" |
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23 #include "sipcontactheader.h" |
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24 #include "siprequest.h" |
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25 #include "sipresponse.h" |
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26 #include "CSIPRegistrar.h" |
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27 #include "SipAssert.h" |
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28 #include "sipminexpiresheader.h" |
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29 #include "MRegistrationOwner.h" |
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30 #include "CSIPResponseUtility.h" |
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31 #include "siperr.h" |
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32 #include "sipstrings.h" |
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33 #include "sipstrconsts.h" |
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34 |
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35 |
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36 // ----------------------------------------------------------------------------- |
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37 // CSIPRegisterUpdating::NewL |
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38 // ----------------------------------------------------------------------------- |
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39 // |
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40 CSIPRegisterUpdating* CSIPRegisterUpdating::NewL( |
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41 MRegistrationContext& aRegistration) |
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42 { |
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43 CSIPRegisterUpdating* self = CSIPRegisterUpdating::NewLC(aRegistration); |
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44 CleanupStack::Pop(self); |
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45 return self; |
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46 } |
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47 |
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48 // ----------------------------------------------------------------------------- |
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49 // CSIPRegisterUpdating::NewLC |
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50 // ----------------------------------------------------------------------------- |
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51 // |
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52 CSIPRegisterUpdating* CSIPRegisterUpdating::NewLC( |
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53 MRegistrationContext& aRegistration) |
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54 { |
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55 CSIPRegisterUpdating* self = |
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56 new (ELeave) CSIPRegisterUpdating(aRegistration); |
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57 CleanupStack::PushL(self); |
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58 return self; |
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59 } |
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60 |
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61 // ----------------------------------------------------------------------------- |
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62 // CSIPRegisterUpdating::SetNeighbourStates |
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63 // ----------------------------------------------------------------------------- |
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64 // |
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65 void CSIPRegisterUpdating::SetNeighbourStates( |
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66 CSIPRegistrationState* aResponse423Received, |
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67 CSIPRegistrationState* aRegistered, |
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68 CSIPRegistrationState* aUnregistered) |
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69 { |
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70 __SIP_ASSERT_RETURN(aResponse423Received, KErrArgument); |
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71 __SIP_ASSERT_RETURN(aRegistered, KErrArgument); |
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72 __SIP_ASSERT_RETURN(aUnregistered, KErrArgument); |
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73 |
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74 iResponse423Received = aResponse423Received; |
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75 iRegistered = aRegistered; |
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76 iUnregistered = aUnregistered; |
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77 } |
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78 |
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79 // ----------------------------------------------------------------------------- |
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80 // CSIPRegisterUpdating::~CSIPRegisterUpdating |
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81 // ----------------------------------------------------------------------------- |
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82 // |
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83 CSIPRegisterUpdating::~CSIPRegisterUpdating() |
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84 { |
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85 } |
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86 |
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87 // ----------------------------------------------------------------------------- |
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88 // CSIPRegisterUpdating::UpdateL |
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89 // ----------------------------------------------------------------------------- |
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90 // |
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91 void CSIPRegisterUpdating::UpdateL(TTransactionId& aTransactionId, |
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92 CSIPRequest* aRequest) |
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93 { |
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94 __SIP_ASSERT_LEAVE(aRequest, KErrArgument); |
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95 |
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96 CSIPContactHeader* contact = static_cast<CSIPContactHeader*>( |
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97 aRequest->Header(SIPStrings::StringF(SipStrConsts::EContactHeader),0)); |
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98 |
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99 __SIP_ASSERT_LEAVE(contact != 0, KErrArgument); |
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100 |
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101 __SIP_ASSERT_LEAVE(contact->ExpiresParameter() > 0, KErrArgument); |
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102 |
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103 // registrar must not be NULL after registering state. |
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104 __SIP_ASSERT_LEAVE(iRegistration.Registrar(), KErrGeneral); |
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105 |
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106 // update registration expires parameter from aRequest Contact header |
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107 iRegistration.SetExpiresValueL(*aRequest); |
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108 // copy CallId and CSeq to request |
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109 iRegistration.Registrar()->FillCallIdAndCSeqL(*aRequest); |
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110 // copy To and From header to request |
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111 iRegistration.FillToFromL(*aRequest); |
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112 |
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113 iRegistration.UpdateL(aTransactionId, aRequest); |
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114 } |
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115 |
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116 // ----------------------------------------------------------------------------- |
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117 // CSIPRegisterUpdating::ReceiveL |
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118 // ----------------------------------------------------------------------------- |
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119 // |
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120 void CSIPRegisterUpdating::ReceiveL(TTransactionId aTransactionId, |
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121 CSIPResponse* aResponse) |
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122 { |
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123 __SIP_ASSERT_LEAVE(aResponse, KErrArgument); |
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124 // the expires parameter value must not be 0, other wise panic in debug |
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125 // mode, leaves in release mode. |
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126 __SIP_ASSERT_LEAVE(iRegistration.Contact().ExpiresParameter() > 0, |
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127 KErrGeneral); |
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128 |
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129 if (aResponse->Type() == CSIPResponse::E2XX) |
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130 { |
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131 // ConnectionMgr may have changed the the host part of the Contact |
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132 iRegistration.UpdateContactFromRequestL(); |
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133 if (iRegistration.Request()) |
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134 { |
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135 iRegistration.Request()->DeleteHeaders( |
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136 SIPStrings::StringF(SipStrConsts::ERouteHeader)); |
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137 } |
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138 TInt err = |
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139 CSIPResponseUtility::Check2XXResponse(iRegistration,*aResponse); |
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140 if (err) |
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141 { |
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142 iRegistration.ReceivedErrorResponseL(); |
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143 User::LeaveIfError( |
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144 PassErrorToOwner(err,aTransactionId, |
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145 iRegistration.RegistrationId())); |
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146 delete aResponse; |
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147 iRegistration.SelfDetach(ETrue); |
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148 iRegistration.ChangeState(iUnregistered); |
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149 } |
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150 // if there is no error, call function Received2XXResponseL, |
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151 // which will update bindings, start timer for non refresh binding |
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152 else |
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153 { |
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154 // function update the binding from response. |
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155 iRegistration.Received2XXResponseL(*aResponse,aTransactionId); |
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156 // pass response to owner |
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157 PassResponseToOwnerL(aResponse, aTransactionId, |
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158 iRegistration.RegistrationId()); |
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159 iRegistration.SelfDetach(EFalse); |
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160 // if the binding is non refresh binding, the request is deleted |
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161 // after 2xx received |
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162 iRegistration.ClearRequest(); |
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163 iRegistration.ChangeState(iRegistered); |
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164 } |
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165 } |
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166 else if (aResponse->IsErrorResponse()) |
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167 { |
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168 // if 423 response is received and there is min expires header, |
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169 // set min expires header from response to request and send |
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170 // the request again. |
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171 const RStringF KMinExpiresHeaderName = |
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172 SIPStrings::StringF(SipStrConsts::EMinExpiresHeader); |
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173 |
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174 if (aResponse->ResponseCode() == K423Response && |
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175 aResponse->HasHeader(KMinExpiresHeaderName)) |
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176 { |
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177 // function set min expires header from response to request. |
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178 iRegistration.Received423ResponseL(*aResponse); |
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179 iRegistration.ChangeState(iResponse423Received); |
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180 static_cast<CSIP423ResponseReceived*>(iResponse423Received)-> |
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181 SetUpdate(ETrue); |
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182 iRegistration.CurrentState().RegisterL( |
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183 aTransactionId,iRegistration.Request(),NULL); |
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184 delete aResponse; |
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185 } |
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186 // either response code is 423, but no MinExpires-header in response |
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187 // or response code not 423 |
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188 else |
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189 { |
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190 // ReceivedErrorResponseL, remove binding |
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191 iRegistration.ReceivedErrorResponseL(); |
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192 // pass response to owner |
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193 PassResponseToOwnerL(aResponse, aTransactionId, |
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194 iRegistration.RegistrationId()); |
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195 iRegistration.SelfDetach(ETrue); |
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196 iRegistration.ChangeState(iUnregistered); |
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197 } |
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198 } |
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199 // response type == 1XX |
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200 else |
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201 { |
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202 // pass provisional response to owner |
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203 PassResponseToOwnerL(aResponse, aTransactionId, |
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204 iRegistration.RegistrationId()); |
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205 } |
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206 } |
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207 |
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208 // ----------------------------------------------------------------------------- |
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209 // CSIPRegisterUpdating::TransactionEnded |
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210 // ----------------------------------------------------------------------------- |
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211 // |
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212 TInt CSIPRegisterUpdating::TransactionEnded(TTransactionId aTransactionId, |
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213 TInt aReason) |
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214 { |
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215 if (aReason != KErrNone) |
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216 { |
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217 iRegistration.ChangeState(iUnregistered); |
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218 } |
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219 // pass error to owner. |
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220 return (PassErrorToOwner(aReason, aTransactionId, |
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221 iRegistration.RegistrationId())); |
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222 } |
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223 |
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224 // ----------------------------------------------------------------------------- |
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225 // CSIPRegisterUpdating::CSIPRegisterUpdating |
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226 // ----------------------------------------------------------------------------- |
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227 // |
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228 CSIPRegisterUpdating::CSIPRegisterUpdating(MRegistrationContext& aRegistration) |
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229 : CSIPRegistrationState (aRegistration) |
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230 { |
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231 } |