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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 : CSIPCSSerializer.cpp |
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15 // Part of : SIPServerCore |
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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 "CSIPCSSerializer.h" |
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23 #include "sipmessage.h" |
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24 #include "siprequest.h" |
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25 #include "sipresponse.h" |
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26 #include "sipheaderbase.h" |
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27 #include "sipfromheader.h" |
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28 #include "siptoheader.h" |
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29 #include "siprouteheader.h" |
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30 #include "uricontainer.h" |
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31 #include "siphostport.h" |
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32 #include "SIPHeaderLookup.h" |
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33 #include "TSIPRemoteTargetAndProxy.h" |
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34 #include "sipstrings.h" |
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35 |
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36 |
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37 const TInt KBufExpandSize=100; |
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38 // The maximum value for RHeap Alloc operations is KMaxTInt/2-1 |
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39 const TInt KMaxLength=(KMaxTInt/2)-1; |
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40 |
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41 // ----------------------------------------------------------------------------- |
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42 // CSIPCSSerializer::NewL |
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43 // ----------------------------------------------------------------------------- |
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44 // |
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45 CSIPCSSerializer* CSIPCSSerializer::NewL() |
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46 { |
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47 CSIPCSSerializer* self = CSIPCSSerializer::NewLC(); |
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48 CleanupStack::Pop(self); |
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49 return self; |
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50 } |
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51 |
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52 // ----------------------------------------------------------------------------- |
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53 // CSIPCSSerializer::NewLC |
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54 // ----------------------------------------------------------------------------- |
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55 // |
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56 CSIPCSSerializer* CSIPCSSerializer::NewLC () |
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57 { |
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58 CSIPCSSerializer* self = new (ELeave) CSIPCSSerializer; |
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59 CleanupStack::PushL (self); |
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60 self->ConstructL(); |
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61 return self; |
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62 } |
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63 |
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64 // ----------------------------------------------------------------------------- |
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65 // CSIPCSSerializer::CSIPCSSerializer |
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66 // ----------------------------------------------------------------------------- |
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67 // |
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68 CSIPCSSerializer::CSIPCSSerializer() |
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69 { |
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70 } |
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71 |
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72 // ----------------------------------------------------------------------------- |
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73 // CSIPCSSerializer::ConstructL |
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74 // ----------------------------------------------------------------------------- |
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75 // |
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76 void CSIPCSSerializer::ConstructL() |
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77 { |
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78 SIPHeaderLookup::OpenL(); |
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79 } |
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80 |
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81 // ----------------------------------------------------------------------------- |
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82 // CSIPCSSerializer::~CSIPCSSerializer |
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83 // ----------------------------------------------------------------------------- |
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84 // |
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85 CSIPCSSerializer::~CSIPCSSerializer() |
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86 { |
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87 SIPHeaderLookup::Close(); |
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88 } |
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89 |
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90 // ----------------------------------------------------------------------------- |
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91 // CSIPCSSerializer::InternalizeCredentialsL |
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92 // ----------------------------------------------------------------------------- |
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93 // |
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94 CDesC8Array* CSIPCSSerializer::InternalizeCredentialsL(const TDesC8& aDes) const |
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95 { |
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96 CDesC8ArraySeg* settings = new(ELeave)CDesC8ArraySeg(1); |
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97 CleanupStack::PushL(settings); |
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98 RDesReadStream readStream(aDes); |
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99 readStream.PushL(); |
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100 TUint32 settingLength = readStream.ReadUint32L(); |
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101 while (settingLength > 0) |
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102 { |
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103 if (settingLength > KMaxLength) |
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104 { |
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105 User::Leave(KErrOverflow); |
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106 } |
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107 HBufC8* setting = HBufC8::NewLC (settingLength); |
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108 TPtr8 settingPtr(setting->Des()); |
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109 readStream.ReadL (settingPtr,settingLength); |
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110 settings->AppendL(settingPtr); |
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111 CleanupStack::PopAndDestroy(setting); |
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112 settingLength = readStream.ReadUint32L(); |
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113 } |
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114 readStream.Pop(); |
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115 readStream.Close(); |
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116 CleanupStack::Pop(settings); |
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117 return settings; |
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118 } |
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119 |
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120 // ----------------------------------------------------------------------------- |
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121 // CSIPCSSerializer::ExternalizeLC |
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122 // ----------------------------------------------------------------------------- |
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123 // |
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124 CBufFlat* CSIPCSSerializer::ExternalizeLC( |
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125 const MDesC8Array& aSecurityMechanisms) const |
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126 { |
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127 CBufFlat* buf = CBufFlat::NewL(KBufExpandSize); |
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128 CleanupStack::PushL(buf); |
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129 RBufWriteStream writeStream(*buf,0); |
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130 writeStream.PushL(); |
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131 for (TInt i=0; i < aSecurityMechanisms.MdcaCount(); i++) |
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132 { |
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133 TPtrC8 mechanism(aSecurityMechanisms.MdcaPoint(i)); |
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134 writeStream.WriteUint32L(mechanism.Length()); |
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135 writeStream.WriteL(mechanism); |
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136 } |
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137 writeStream.WriteUint32L(0); // no more mechanisms in the stream |
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138 writeStream.Pop(); |
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139 writeStream.Close(); |
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140 return buf; |
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141 } |
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142 |
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143 // ----------------------------------------------------------------------------- |
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144 // CSIPCSSerializer::ExternalizeValueLC |
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145 // ----------------------------------------------------------------------------- |
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146 // |
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147 CBufFlat* CSIPCSSerializer::ExternalizeValueLC( |
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148 const CSIPHeaderBase& aHeader) const |
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149 { |
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150 CBufFlat* buf = CBufFlat::NewL(KBufExpandSize); |
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151 CleanupStack::PushL(buf); |
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152 RBufWriteStream writeStream(*buf,0); |
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153 writeStream.PushL(); |
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154 aHeader.ExternalizeL(writeStream,EFalse); |
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155 writeStream.Pop(); |
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156 writeStream.Close(); |
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157 return buf; |
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158 } |
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159 |
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160 // ----------------------------------------------------------------------------- |
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161 // CSIPCSSerializer::ExternalizeLC |
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162 // ----------------------------------------------------------------------------- |
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163 // |
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164 CBufFlat* CSIPCSSerializer::ExternalizeLC (CSIPMessage& aMessage) const |
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165 { |
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166 CBufFlat* buf = CBufFlat::NewL(KBufExpandSize); |
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167 CleanupStack::PushL(buf); |
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168 RBufWriteStream writeStream(*buf,0); |
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169 writeStream.PushL(); |
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170 if (aMessage.IsRequest()) |
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171 { |
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172 writeStream.WriteUint8L(1); // request flag |
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173 CSIPRequest& request = static_cast<CSIPRequest&>(aMessage); |
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174 ExternalizeL(request,writeStream); |
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175 } |
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176 else |
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177 { |
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178 writeStream.WriteUint8L(0); // response flag |
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179 CSIPResponse& response = static_cast<CSIPResponse&>(aMessage); |
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180 ExternalizeL(response,writeStream); |
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181 } |
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182 writeStream.Pop(); |
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183 writeStream.Close(); |
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184 return buf; |
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185 } |
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186 |
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187 // ----------------------------------------------------------------------------- |
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188 // CSIPCSSerializer::ExternalizeL |
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189 // ----------------------------------------------------------------------------- |
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190 // |
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191 void CSIPCSSerializer::ExternalizeL (CSIPRequest& aRequest, |
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192 RWriteStream& aWriteStream) const |
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193 { |
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194 ExternalizeL(aRequest.Method(),aWriteStream); |
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195 if (aRequest.RequestURI()) |
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196 { |
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197 aWriteStream.WriteUint8L(1); |
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198 aRequest.RequestURI()->ExternalizeL(aWriteStream); |
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199 } |
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200 else |
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201 { |
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202 aWriteStream.WriteUint8L(0); |
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203 } |
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204 aRequest.ExternalizeHeadersL(aWriteStream); |
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205 } |
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206 |
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207 // ----------------------------------------------------------------------------- |
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208 // CSIPCSSerializer::ExternalizeL |
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209 // ----------------------------------------------------------------------------- |
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210 // |
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211 void CSIPCSSerializer::ExternalizeL (CSIPResponse& aResponse, |
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212 RWriteStream& aWriteStream) const |
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213 { |
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214 aWriteStream.WriteUint16L(aResponse.ResponseCode()); |
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215 ExternalizeL(aResponse.ReasonPhrase(),aWriteStream); |
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216 aResponse.ExternalizeHeadersL(aWriteStream); |
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217 } |
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218 |
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219 // ----------------------------------------------------------------------------- |
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220 // CSIPCSSerializer::InternalizeL |
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221 // ----------------------------------------------------------------------------- |
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222 // |
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223 void CSIPCSSerializer::InternalizeL (const TDesC8& aDes, |
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224 CSIPRequest& aRequest, |
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225 TBool aMethodExpected) const |
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226 { |
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227 RDesReadStream readStream(aDes); |
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228 CleanupClosePushL (readStream); |
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229 if (aMethodExpected) |
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230 { |
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231 InternalizeMethodL (aRequest,readStream); |
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232 } |
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233 aRequest.InternalizeHeadersL(readStream); |
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234 readStream.Pop(); |
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235 readStream.Close(); |
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236 } |
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237 |
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238 // ----------------------------------------------------------------------------- |
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239 // CSIPCSSerializer::InternalizeL |
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240 // ----------------------------------------------------------------------------- |
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241 // |
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242 void CSIPCSSerializer::InternalizeL (const TDesC8& aDes, |
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243 CSIPRequest& aRequest, |
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244 TSIPRemoteTargetAndProxy& aRemoteTargetAndProxy, |
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245 TBool aMethodExpected, |
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246 TBool aProxyExpected) const |
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247 { |
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248 RDesReadStream readStream(aDes); |
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249 CleanupClosePushL(readStream); |
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250 if (aMethodExpected) |
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251 { |
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252 InternalizeMethodL(aRequest,readStream); |
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253 } |
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254 CURIContainer* remoteTarget = NULL; |
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255 if (readStream.ReadUint8L()) // remote target present |
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256 { |
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257 remoteTarget = CURIContainer::InternalizeL(readStream); |
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258 CleanupStack::PushL(remoteTarget); |
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259 } |
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260 CSIPRouteHeader* proxy = NULL; |
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261 if (aProxyExpected) |
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262 { |
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263 proxy = static_cast<CSIPRouteHeader*>( |
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264 CSIPRouteHeader::InternalizeValueL(readStream)); |
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265 CleanupStack::PushL(proxy); |
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266 } |
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267 aRequest.InternalizeHeadersL(readStream); |
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268 if (proxy) |
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269 { |
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270 CleanupStack::Pop(proxy); |
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271 } |
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272 if (remoteTarget) |
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273 { |
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274 CleanupStack::Pop(remoteTarget); |
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275 } |
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276 readStream.Pop(); |
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277 readStream.Close(); |
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278 aRemoteTargetAndProxy.iProxy = proxy; |
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279 aRemoteTargetAndProxy.iRemoteTarget = remoteTarget; |
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280 } |
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281 |
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282 // ----------------------------------------------------------------------------- |
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283 // CSIPCSSerializer::InternalizeL |
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284 // ----------------------------------------------------------------------------- |
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285 // |
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286 CSIPResponse* CSIPCSSerializer::InternalizeL (const TDesC8& aDes) const |
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287 { |
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288 RDesReadStream readStream(aDes); |
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289 readStream.PushL(); |
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290 TUint statusCode = readStream.ReadUint16L(); |
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291 RStringF reasonPhrase = ReadFromStreamL(readStream); |
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292 CleanupClosePushL(reasonPhrase); |
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293 CSIPResponse* response = CSIPResponse::NewL(statusCode,reasonPhrase); |
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294 CleanupStack::PopAndDestroy(); // reasonPhrase |
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295 CleanupStack::PushL(response); |
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296 response->InternalizeHeadersL(readStream); |
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297 CleanupStack::Pop(response); |
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298 readStream.Pop(); |
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299 readStream.Close(); |
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300 return response; |
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301 } |
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302 |
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303 // ----------------------------------------------------------------------------- |
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304 // CSIPCSSerializer::InternalizeHeadersL |
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305 // ----------------------------------------------------------------------------- |
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306 // |
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307 RPointerArray<CSIPHeaderBase> CSIPCSSerializer::InternalizeHeadersL( |
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308 const TDesC8& aDes) const |
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309 { |
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310 RPointerArray<CSIPHeaderBase> headers; |
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311 CSIPHeaderBase::PushLC(&headers); |
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312 RDesReadStream readStream(aDes); |
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313 CleanupClosePushL (readStream); |
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314 TUint8 moreHeaders = readStream.ReadUint8L(); |
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315 CSIPHeaderBase* header = NULL; |
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316 while (moreHeaders) |
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317 { |
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318 RStringF headerName = ReadFromStreamL(readStream); |
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319 CleanupClosePushL(headerName); |
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320 header = SIPHeaderLookup::InternalizeL(headerName,readStream); |
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321 CleanupStack::PopAndDestroy(); // headerName |
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322 if (header) |
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323 { |
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324 CleanupStack::PushL(header); |
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325 headers.AppendL(header); |
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326 CleanupStack::Pop(header); |
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327 } |
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328 moreHeaders = readStream.ReadUint8L(); |
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329 } |
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330 readStream.Pop(); |
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331 readStream.Close(); |
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332 CleanupStack::Pop(); // headers |
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333 return headers; |
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334 } |
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335 |
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336 // ----------------------------------------------------------------------------- |
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337 // CSIPCSSerializer::InternalizeProxyL |
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338 // ----------------------------------------------------------------------------- |
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339 // |
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340 CSIPRouteHeader* CSIPCSSerializer::InternalizeProxyL (const TDesC8& aDes) const |
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341 { |
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342 RDesReadStream readStream(aDes); |
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343 CleanupClosePushL(readStream); |
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344 CSIPRouteHeader* proxy = |
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345 static_cast<CSIPRouteHeader*>( |
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346 CSIPRouteHeader::InternalizeValueL(readStream)); |
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347 readStream.Pop(); |
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348 readStream.Close(); |
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349 return proxy; |
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350 } |
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351 |
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352 // ----------------------------------------------------------------------------- |
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353 // CSIPCSSerializer::InternalizeMethodL |
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354 // ----------------------------------------------------------------------------- |
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355 // |
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356 void CSIPCSSerializer::InternalizeMethodL (CSIPRequest& aRequest, |
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357 RReadStream& aReadStream) const |
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358 { |
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359 RStringF method = ReadFromStreamL(aReadStream); |
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360 CleanupClosePushL(method); |
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361 aRequest.SetMethodL(method); |
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362 CleanupStack::PopAndDestroy(); // method |
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363 } |
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364 |
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365 // ----------------------------------------------------------------------------- |
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366 // CSIPCSSerializer::ReadFromStreamLC |
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367 // ----------------------------------------------------------------------------- |
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368 // |
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369 RStringF CSIPCSSerializer::ReadFromStreamL (RReadStream& aReadStream) const |
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370 { |
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371 TUint32 bufLength = aReadStream.ReadUint32L(); |
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372 HBufC8* buf = HBufC8::NewLC (bufLength); |
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373 TPtr8 bufPtr(buf->Des()); |
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374 if (bufLength > 0) |
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375 { |
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376 aReadStream.ReadL (bufPtr,bufLength); |
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377 } |
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378 RStringF str = SIPStrings::Pool().OpenFStringL(bufPtr); |
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379 CleanupStack::PopAndDestroy(buf); |
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380 return str; |
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381 } |
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382 |
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383 // ----------------------------------------------------------------------------- |
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384 // CSIPCSSerializer::ExternalizeL |
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385 // ----------------------------------------------------------------------------- |
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386 // |
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387 void CSIPCSSerializer::ExternalizeL (RStringF aStr, |
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388 RWriteStream& aWriteStream) const |
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389 { |
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390 TPtrC8 des(aStr.DesC()); |
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391 aWriteStream.WriteUint32L(des.Length()); |
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392 aWriteStream.WriteL(des); |
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393 } |