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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 : CSIPITCReceiverBase.cpp |
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15 // Part of : SIPClient |
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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 "CSIPITCReceiverBase.h" |
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22 #include "MSIPITC.h" |
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23 #include "siprequestelements.h" |
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24 #include "sipresponseelements.h" |
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25 #include "sipmessageelements.h" |
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26 #include "siphttpdigestchallengeobserver.h" |
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27 #include "SipAssert.h" |
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28 #include "sipinternalerr.h" |
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29 |
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30 // ----------------------------------------------------------------------------- |
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31 // CSIPITCReceiverBase::CSIPITCReceiverBase |
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32 // ----------------------------------------------------------------------------- |
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33 // |
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34 CSIPITCReceiverBase::CSIPITCReceiverBase (MSIPITC& aITC) |
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35 : CActive (EPriorityStandard), |
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36 iITC (aITC) |
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37 { |
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38 CActiveScheduler::Add (this); |
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39 iITCMsgArgs.Set (ESipItcArgIds, &iIdsPckg); |
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40 iITCMsgArgs.Set (ESipItcArgBufSizes, &iSizesPckg); |
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41 |
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42 ReceiveNext (); |
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43 } |
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44 |
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45 // ----------------------------------------------------------------------------- |
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46 // CSIPITCReceiverBase::~CSIPITCReceiverBase |
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47 // ----------------------------------------------------------------------------- |
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48 // |
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49 CSIPITCReceiverBase::~CSIPITCReceiverBase () |
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50 { |
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51 CActive::Cancel(); |
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52 } |
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53 |
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54 // ----------------------------------------------------------------------------- |
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55 // CSIPITCReceiverBase::SetHttpDigestObserver |
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56 // ----------------------------------------------------------------------------- |
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57 // |
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58 void CSIPITCReceiverBase::SetHttpDigestObserver( |
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59 MSIPHttpDigestChallengeObserver& aObserver) |
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60 { |
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61 iHttpDigestObserver = &aObserver; |
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62 iHttpDigestObserver2 = NULL; |
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63 } |
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64 |
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65 // ----------------------------------------------------------------------------- |
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66 // CSIPITCReceiverBase::SetHttpDigestObserver |
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67 // ----------------------------------------------------------------------------- |
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68 // |
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69 void CSIPITCReceiverBase::SetHttpDigestObserver( |
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70 MSIPHttpDigestChallengeObserver2& aObserver) |
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71 { |
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72 iHttpDigestObserver2 = &aObserver; |
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73 iHttpDigestObserver = NULL; |
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74 } |
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75 |
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76 // ----------------------------------------------------------------------------- |
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77 // CSIPITCReceiverBase::RemoveHttpDigestObserver |
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78 // ----------------------------------------------------------------------------- |
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79 // |
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80 void CSIPITCReceiverBase::RemoveHttpDigestObserver() |
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81 { |
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82 iHttpDigestObserver = NULL; |
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83 iHttpDigestObserver2 = NULL; |
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84 } |
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85 |
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86 // ----------------------------------------------------------------------------- |
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87 // CSIPITCReceiverBase::RunL |
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88 // ----------------------------------------------------------------------------- |
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89 // |
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90 void CSIPITCReceiverBase::RunL () |
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91 { |
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92 TInt err = iStatus.Int(); |
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93 if (err == KErrServerTerminated) |
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94 { |
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95 // This will leave to RunError-function. See below. |
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96 User::Leave(err); |
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97 } |
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98 // Take copy of the ids. iIdsPckg could be overwritten by ReceiveNext. |
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99 TSIPIds ids(iIdsPckg()); |
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100 if (err == KErrNone) |
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101 { |
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102 IncomingMessageL(ids); |
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103 } |
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104 else if (err == KChallengeReceived) |
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105 { |
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106 ChallengeReceivedL(ids); |
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107 } |
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108 else |
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109 { |
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110 // For errors receive has to be renewed before calling the observer |
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111 // which might delete the CSIP or CSIPConnection, |
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112 // which leads to deletion of this object. |
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113 ReceiveNext(); |
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114 ErrorOccuredL(ids,err); |
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115 } |
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116 } |
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117 |
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118 // ----------------------------------------------------------------------------- |
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119 // CSIPITCReceiverBase::RunError |
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120 // ----------------------------------------------------------------------------- |
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121 // |
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122 TInt CSIPITCReceiverBase::RunError (TInt aError) |
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123 { |
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124 if (aError == KErrServerTerminated) |
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125 { |
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126 // Return the error to the active scheduler and stop receiving. |
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127 // Receiving must be stopped. |
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128 // It would lead to infinite RunL-RunError-loop. |
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129 return aError; |
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130 } |
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131 // Ignore all the other errors and continue receiving |
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132 ReceiveNext (); |
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133 return KErrNone; |
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134 } |
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135 |
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136 // ----------------------------------------------------------------------------- |
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137 // CSIPITCReceiverBase::RunError |
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138 // ----------------------------------------------------------------------------- |
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139 // |
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140 void CSIPITCReceiverBase::DoCancel() |
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141 { |
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142 iITC.CancelReceive(); |
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143 } |
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144 |
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145 // ----------------------------------------------------------------------------- |
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146 // CSIPITCReceiverBase::ReceiveNext |
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147 // ----------------------------------------------------------------------------- |
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148 // |
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149 void CSIPITCReceiverBase::ReceiveNext () |
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150 { |
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151 if (!IsActive()) |
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152 { |
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153 iITC.Receive(iITCMsgArgs,iStatus); |
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154 SetActive(); |
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155 } |
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156 } |
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157 |
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158 // ----------------------------------------------------------------------------- |
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159 // CSIPITCReceiverBase::ChallengeReceivedL |
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160 // ----------------------------------------------------------------------------- |
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161 // |
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162 void CSIPITCReceiverBase::ChallengeReceivedL (TSIPIds& aIds) |
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163 { |
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164 HBufC8* response = NULL; |
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165 HBufC8* content = NULL; |
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166 ReadHeadersAndContentLC(response,content); |
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167 |
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168 // On one hand receive has to be renewed before calling the observer |
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169 // which might delete the CSIP or CSIPConnection, |
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170 // which leads to deletion of this object. |
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171 // On the other hand for incoming SIP requests and responses |
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172 // asynchronous receive has to be called only after fetching |
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173 // the previous message syncrounously. |
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174 // This is why ReceiveNext is called here instead of RunL. |
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175 ReceiveNext(); |
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176 |
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177 if (iHttpDigestObserver) |
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178 { |
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179 // The IPC place holder for response is used here for realm |
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180 iHttpDigestObserver->ChallengeReceived(*response); |
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181 CleanupStack::PopAndDestroy(content); |
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182 } |
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183 else if (iHttpDigestObserver2) |
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184 { |
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185 RDesReadStream readStream(*response); |
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186 CleanupClosePushL(readStream); |
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187 TUint8 isRequest = readStream.ReadUint8L(); |
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188 __ASSERT_ALWAYS(!isRequest, User::Leave(KErrArgument)); |
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189 IncomingResponseL(readStream,content,aIds); |
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190 readStream.Pop(); |
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191 readStream.Close(); |
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192 CleanupStack::Pop(content); |
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193 } |
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194 else |
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195 { |
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196 // No observer, should not happen, prevent memory leak |
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197 CleanupStack::PopAndDestroy(content); |
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198 } |
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199 |
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200 CleanupStack::PopAndDestroy(response); |
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201 } |
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202 |
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203 // ----------------------------------------------------------------------------- |
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204 // CSIPITCReceiverBase::IncomingMessageL |
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205 // ----------------------------------------------------------------------------- |
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206 // |
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207 void CSIPITCReceiverBase::IncomingMessageL (TSIPIds& aIds) |
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208 { |
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209 HBufC8* headers = NULL; |
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210 HBufC8* content = NULL; |
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211 ReadHeadersAndContentLC(headers,content); |
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212 |
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213 // On one hand receive has to be renewed before calling the observer |
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214 // which might delete the CSIP or CSIPConnection, |
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215 // which leads to deletion of this object. |
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216 // On the other hand for incoming SIP requests and responses |
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217 // asynchronous receive has to be called only after fetching |
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218 // the previous message syncrounously. |
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219 // This is why ReceiveNext is called here instead of RunL. |
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220 ReceiveNext(); |
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221 |
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222 RDesReadStream readStream(*headers); |
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223 CleanupClosePushL(readStream); |
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224 TUint8 isRequest = readStream.ReadUint8L(); |
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225 if (isRequest) |
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226 { |
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227 IncomingRequestL(readStream,content,aIds); |
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228 } |
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229 else |
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230 { |
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231 IncomingResponseL(readStream,content,aIds); |
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232 } |
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233 readStream.Pop(); |
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234 readStream.Close(); |
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235 CleanupStack::Pop(content); |
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236 CleanupStack::PopAndDestroy(headers); |
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237 } |
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238 |
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239 // ----------------------------------------------------------------------------- |
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240 // CSIPITCReceiverBase::IncomingRequestL |
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241 // ----------------------------------------------------------------------------- |
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242 // |
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243 void CSIPITCReceiverBase::IncomingRequestL (RReadStream& aReadStream, |
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244 HBufC8* aContent, |
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245 TSIPIds& aIds) |
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246 { |
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247 __ASSERT_ALWAYS (aContent != 0, User::Leave(KErrArgument)); |
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248 |
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249 CSIPRequestElements* request = |
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250 CSIPRequestElements::InternalizeL(aReadStream); |
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251 CleanupStack::PushL(request); |
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252 CSIPMessageElements& messageElements = request->MessageElements(); |
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253 messageElements.SetContent(aContent); |
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254 CleanupStack::PushL(TCleanupItem(DetachContent,&messageElements)); |
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255 IncomingRequestL (aIds,request); |
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256 CleanupStack::Pop(1); // cleanup item |
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257 CleanupStack::Pop(request); |
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258 } |
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259 |
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260 // ----------------------------------------------------------------------------- |
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261 // CSIPITCReceiverBase::IncomingResponseL |
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262 // ----------------------------------------------------------------------------- |
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263 // |
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264 void CSIPITCReceiverBase::IncomingResponseL (RReadStream& aReadStream, |
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265 HBufC8* aContent, |
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266 TSIPIds& aIds) |
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267 { |
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268 __ASSERT_ALWAYS (aContent != 0, User::Leave(KErrArgument)); |
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269 |
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270 CSIPResponseElements* response = |
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271 CSIPResponseElements::InternalizeL(aReadStream); |
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272 CleanupStack::PushL(response); |
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273 CSIPMessageElements& messageElements = response->MessageElements(); |
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274 messageElements.SetContent(aContent); |
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275 CleanupStack::PushL(TCleanupItem(DetachContent,&messageElements)); |
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276 IncomingResponseL (aIds,response); |
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277 CleanupStack::Pop(1); // cleanup item |
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278 CleanupStack::Pop(response); |
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279 } |
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280 |
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281 // ----------------------------------------------------------------------------- |
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282 // CSIPITCReceiverBase::DetachContent |
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283 // ----------------------------------------------------------------------------- |
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284 // |
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285 void CSIPITCReceiverBase::DetachContent (TAny* aElements) |
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286 { |
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287 __SIP_ASSERT_RETURN(aElements, KErrGeneral); |
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288 CSIPMessageElements* elements = |
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289 reinterpret_cast<CSIPMessageElements*>(aElements); |
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290 elements->DetachContent(); |
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291 } |
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292 |
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293 // ----------------------------------------------------------------------------- |
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294 // CSIPITCReceiverBase::ReadHeadersAndContentLC |
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295 // ----------------------------------------------------------------------------- |
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296 // |
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297 void CSIPITCReceiverBase::ReadHeadersAndContentLC (HBufC8*& aHeaders, |
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298 HBufC8*& aContent) |
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299 { |
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300 TIpcArgs tmpITCArgs; |
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301 |
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302 TPckgBuf<TSIPIds> tmpIdsPckg; |
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303 tmpITCArgs.Set (ESipItcArgIds, &tmpIdsPckg); |
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304 |
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305 HBufC8* headers = HBufC8::NewLC(iSizesPckg().iHeaderBufSize); |
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306 TPtr8 headersPtr(headers->Des()); |
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307 tmpITCArgs.Set (ESipItcArgMessageHeaders, &headersPtr); |
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308 |
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309 HBufC8* content = HBufC8::NewLC(iSizesPckg().iContentBufSize); |
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310 TPtr8 contentPtr(content->Des()); |
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311 tmpITCArgs.Set (ESipItcArgMessageContent, &contentPtr); |
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312 |
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313 TInt err = iITC.Receive(tmpITCArgs); |
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314 if (err != KErrNone) |
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315 { |
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316 User::Leave(err); |
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317 } |
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318 aHeaders = headers; |
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319 aContent = content; |
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320 } |