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1 /* |
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2 * Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 #include <badesca.h> |
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21 #include <mcesession.h> |
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22 #include <uri8.h> |
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23 #include <sdpcodecstringpool.h> |
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24 #include <SdpAttributeField.h> |
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25 #include <sdpdocument.h> |
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26 #include "mceclilogs.h" |
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27 #include "mcecomsession.h" |
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28 #include "mcecommediastream.h" |
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29 #include "mcesessionutility.h" |
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30 #include <SdpCodecStringPool.h> |
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31 #include <stringpool.h> |
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32 #include "mcecommediastream.h" |
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33 #include <mcertpsource.h> |
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34 #include <mcemsrpsource.h> |
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35 #include <sdpconnectionfield.h> |
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36 #include <sdpbandwidthfield.h> |
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37 #include <mcertpsource.h> |
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38 |
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39 //# define _OPEN_SDPCODEC_STRINGPOOL SdpCodecStringPool::OpenL() |
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40 |
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41 #define _CLOSE_SDPCODEC_STRINGPOOL SdpCodecStringPool::Close(); |
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42 |
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43 |
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44 // ============================ MEMBER FUNCTIONS =============================== |
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45 |
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46 // ----------------------------------------------------------------------------- |
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47 // TMceSessionUtility::getSessionSdPLineL |
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48 // ----------------------------------------------------------------------------- |
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49 // |
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50 EXPORT_C HBufC8* TMceSessionUtility::getSessionSdPLineL(CMceSession* aSession, |
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51 TSDPLineName aSdpLineName) |
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52 { |
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53 __ASSERT_ALWAYS(aSession, User::Leave(KErrArgument)); |
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54 |
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55 // Ownership is tranferred to us for sessionLines |
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56 CDesC8Array* sessionLines = static_cast<CDesC8Array*> (aSession->SessionSDPLinesL()); |
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57 |
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58 if (sessionLines->MdcaCount() == 0) |
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59 { |
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60 MCECLI_DEBUG("TMceSessionUtility::getSessionSdPLineL: No session attributes set in the passed session \n"); |
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61 sessionLines->Reset(); |
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62 delete sessionLines; |
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63 return NULL; |
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64 } |
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65 |
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66 // Open SIP coec string pool |
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67 TRAPD(error, SdpCodecStringPool::OpenL()); |
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68 if (error != KErrAlreadyExists && error != KErrNone) |
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69 { |
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70 delete sessionLines; |
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71 User::Leave(error); |
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72 } |
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73 CSdpDocument* sdpDoc = NULL; |
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74 CleanupStack::PushL(sessionLines); |
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75 ConstructSdpDocumentL(sessionLines, sdpDoc); |
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76 CleanupStack::Pop(sessionLines); |
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77 |
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78 HBufC8* retValue = NULL; |
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79 switch(aSdpLineName) |
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80 { |
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81 case EVersion: |
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82 { |
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83 TInt value = sdpDoc->SdpVersion(); |
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84 TBuf8<10> tmp; |
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85 tmp.Num(value); |
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86 retValue = tmp.AllocL(); |
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87 } |
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88 break; |
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89 |
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90 case ESession: |
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91 retValue = sdpDoc->SessionName().AllocL(); |
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92 break; |
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93 |
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94 case EInfo: |
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95 retValue = sdpDoc->Info().AllocL(); |
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96 break; |
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97 |
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98 case EUri: |
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99 { |
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100 // Ownership will not be transferred to us so shouldn't delete the pointer |
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101 CUri8* uri = sdpDoc->Uri(); |
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102 if (uri != NULL) |
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103 { |
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104 retValue = uri->Uri().UriDes().AllocL(); |
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105 } |
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106 } |
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107 break; |
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108 |
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109 case EZone: |
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110 retValue = sdpDoc->ZoneAdjustments().AllocL(); |
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111 break; |
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112 |
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113 default: |
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114 sessionLines->Reset(); |
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115 delete sessionLines; |
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116 delete sdpDoc; |
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117 _CLOSE_SDPCODEC_STRINGPOOL; |
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118 User::Leave(KErrNotSupported); |
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119 } |
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120 sessionLines->Reset(); |
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121 delete sessionLines; |
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122 delete sdpDoc; |
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123 |
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124 if (error == KErrNone) |
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125 _CLOSE_SDPCODEC_STRINGPOOL; |
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126 __ASSERT_ALWAYS(retValue!=NULL, User::Leave(KErrArgument)); |
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127 return retValue; |
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128 } |
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129 |
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130 |
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131 |
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132 // ----------------------------------------------------------------------------- |
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133 // TMceSessionUtility::getRemoteMediaSDPAttrL |
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134 // ----------------------------------------------------------------------------- |
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135 // |
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136 EXPORT_C HBufC8* TMceSessionUtility::getRemoteMediaSDPAttrL(CMceMediaStream* aStream, |
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137 const TDesC8& aAttrName) |
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138 { |
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139 __ASSERT_ALWAYS(aStream, User::Leave(KErrArgument)); |
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140 // Ownership is not transferred to us |
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141 CMceSession* session = aStream->Session(); |
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142 __ASSERT_ALWAYS(session, User::Leave(KErrArgument)); |
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143 |
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144 if ( (session->State() >= CMceSession::ECancelling) || |
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145 (session->State() <= CMceSession::EIdle) ) |
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146 { |
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147 MCECLI_DEBUG(" Session state shouldn't be idle Or shouldn't be either in cancelling, terminating , terminated \n"); |
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148 User::Leave(KErrArgument); |
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149 } |
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150 |
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151 CDesC8Array* mediaAttrs = NULL; |
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152 mediaAttrs = aStream->FlatData()->iRemoteMediaSDPLines; |
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153 |
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154 if (mediaAttrs == NULL || mediaAttrs->MdcaCount() == 0) |
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155 { |
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156 if (aStream->BoundStream()) |
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157 { |
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158 mediaAttrs = aStream->BoundStreamL().FlatData()->iRemoteMediaSDPLines; |
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159 } |
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160 } |
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161 |
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162 if (mediaAttrs == NULL || mediaAttrs->MdcaCount() == 0) |
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163 { |
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164 // Look for the another staream of same type to extract the remote media sdp attributes |
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165 CMceMediaStream* tempStrm; |
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166 for(TInt i=0; i<session->Streams().Count(); i++) |
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167 { |
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168 tempStrm = session->Streams()[i]; |
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169 if (tempStrm != aStream && (tempStrm->Type() == aStream->Type()) ) |
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170 { |
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171 mediaAttrs = tempStrm->FlatData()->iRemoteMediaSDPLines; |
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172 } |
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173 } |
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174 if (mediaAttrs == NULL || mediaAttrs->MdcaCount() == 0) |
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175 { |
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176 MCECLI_DEBUG("TMceSessionUtility::getRemoteMediaSDPAttrL: No Remote Media SDP attributes set to the streams \n"); |
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177 return NULL; |
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178 } |
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179 } |
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180 //_OPEN_SDPCODEC_STRINGPOOL; |
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181 TRAPD(error, SdpCodecStringPool::OpenL()); |
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182 if (error != KErrAlreadyExists && error != KErrNone) |
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183 { |
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184 User::Leave(error); |
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185 } |
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186 // If the attribute is found then the value will be in aValue. |
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187 HBufC8* value = NULL; |
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188 value = FindAttributeL(mediaAttrs, aAttrName); |
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189 if (error == KErrNone) |
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190 _CLOSE_SDPCODEC_STRINGPOOL; |
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191 return value; |
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192 } |
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193 |
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194 |
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195 |
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196 // ----------------------------------------------------------------------------- |
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197 // TMceSessionUtility::GetLocalConnectionAddrL |
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198 // ----------------------------------------------------------------------------- |
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199 // |
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200 EXPORT_C void TMceSessionUtility::GetLocalConnectionAddrL(CMceSession* aSess, TInetAddr& aAddr) |
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201 { |
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202 __ASSERT_ALWAYS(aSess, User::Leave(KErrArgument)); |
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203 aAddr = aSess->FlatData()->iLocalIpAddress; |
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204 } |
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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 // TMceSessionUtility::GetRemoteConnectionAddrL |
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210 // ----------------------------------------------------------------------------- |
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211 // |
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212 EXPORT_C HBufC8* TMceSessionUtility::GetRemoteConnectionAddrL(CMceMediaStream* aStream/*, TDesC8* hostAddr*/) |
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213 { |
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214 CMceSession* session = aStream->Session(); |
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215 __ASSERT_ALWAYS(session, User::Leave(KErrArgument)); |
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216 if ( (session->State() >= CMceSession::ECancelling) || |
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217 (session->State() <= CMceSession::EIdle) ) |
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218 { |
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219 MCECLI_DEBUG("TMceSessionUtility::GetRemoteConnectionAddrL: Session state shouldn't be idle Or shouldn't be either in cancelling, terminating , terminated"); |
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220 User::Leave(KErrArgument); |
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221 } |
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222 TBuf8<10> attrName; |
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223 |
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224 if (aStream->Type() == KMceMessage) |
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225 { |
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226 // Get the remote end's path attribute and extracts the host number from that |
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227 //ownership willbe transferred to us so have to free up later |
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228 HBufC8* pathValue = NULL; |
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229 attrName.Zero(); |
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230 attrName.Copy(_L8("path")); |
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231 pathValue = TMceSessionUtility::getRemoteMediaSDPAttrL(aStream, attrName); |
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232 if (NULL!=pathValue) |
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233 { |
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234 TUriParser8 parser; |
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235 TInt parseValue = parser.Parse(*pathValue); |
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236 |
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237 MCECLI_DEBUG_DVALUE("\n CMceMessageSdpCodec::SetHostAddrPortFromPathAttr: Parsed return value for MSRP URI: ", |
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238 parseValue); |
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239 |
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240 User::LeaveIfError(parseValue); |
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241 //TBuf8<50> host = parser.Extract(EUriHost); |
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242 HBufC8* hostAddr = parser.Extract(EUriHost).AllocL(); |
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243 delete pathValue; |
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244 return hostAddr; |
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245 } |
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246 } |
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247 |
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248 // check if c line exists for the m-line correspands to this stream |
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249 attrName.Zero(); |
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250 attrName.Copy(_L8("c")); |
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251 HBufC8* hostAddr = NULL; |
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252 hostAddr = TMceSessionUtility::getRemoteMediaSDPAttrL(aStream, attrName); |
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253 if (hostAddr!=NULL) |
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254 return hostAddr; |
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255 else |
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256 { |
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257 TBuf<32> addr; |
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258 session->FlatData()->iRemoteIpAddress.Output(addr); |
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259 TBuf8<32> value; |
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260 value.Copy(addr); |
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261 return value.AllocL(); |
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262 } |
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263 } |
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264 |
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265 // ----------------------------------------------------------------------------- |
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266 // TMceSessionUtility::GetLocalMediaPortL |
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267 // ----------------------------------------------------------------------------- |
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268 // |
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269 EXPORT_C void TMceSessionUtility::GetLocalMediaPortL(CMceMediaStream* aStream, TUint& aMediaPort ) |
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270 { |
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271 MCECLI_DEBUG("TMceSessionUtility::GetLocalMediaPortL: Entry "); |
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272 __ASSERT_ALWAYS(aStream!=NULL, User::Leave(KErrArgument)); |
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273 |
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274 if ( (aStream->Session()->State() >= CMceSession::ECancelling) || |
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275 (aStream->Session()->State() <= CMceSession::EIdle) ) |
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276 { |
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277 MCECLI_DEBUG("TMceSessionUtility::GetRemoteConnectionAddrL : Session state shouldn't be idle Or shouldn't be either in cancelling, terminating , terminated"); |
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278 User::Leave(KErrArgument); |
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279 } |
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280 |
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281 aMediaPort = aStream->FlatData()->LocalMediaPort(); |
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282 MCECLI_DEBUG_DVALUE("TMceSessionUtility::GetLocalMediaPortL : ", aMediaPort) |
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283 MCECLI_DEBUG("TMceSessionUtility::GetLocalMediaPortL: Exit "); |
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284 } |
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285 |
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286 |
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287 |
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288 // ----------------------------------------------------------------------------- |
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289 // TMceSessionUtility::GetRemoteMediaPortL |
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290 // ----------------------------------------------------------------------------- |
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291 // |
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292 EXPORT_C void TMceSessionUtility::GetRemoteMediaPortL(CMceMediaStream* aStream, |
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293 TUint& aMediaPort ) |
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294 { |
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295 MCECLI_DEBUG("TMceSessionUtility::GetRemoteMediaPortL: Entry "); |
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296 __ASSERT_ALWAYS(aStream!=NULL, User::Leave(KErrArgument)); |
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297 CMceSession* session = aStream->Session(); |
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298 __ASSERT_ALWAYS(session, User::Leave(KErrArgument)); |
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299 if ( (session->State() >= CMceSession::ECancelling) || |
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300 (session->State() <= CMceSession::EIdle) ) |
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301 { |
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302 MCECLI_DEBUG("TMceSessionUtility::GetRemoteConnectionAddrL : Session state shouldn't be idle Or shouldn't be either in cancelling, terminating , terminated"); |
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303 User::Leave(KErrArgument); |
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304 } |
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305 if (aStream->Type() == KMceMessage) |
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306 { |
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307 TBuf8<10> aAttrName(_L8("path")); |
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308 |
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309 // Get the remote end's path attribute and extracts the port number from that |
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310 //ownership willbe transferred to us so have to free up later |
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311 HBufC8* pathValue = NULL; |
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312 pathValue = TMceSessionUtility::getRemoteMediaSDPAttrL(aStream, aAttrName); |
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313 |
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314 if (pathValue == NULL) |
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315 { |
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316 aMediaPort = aStream->FlatData()->RemoteMediaPort(); |
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317 return; |
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318 } |
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319 // |
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320 TUriParser8 parser; |
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321 TInt parseValue = parser.Parse(pathValue->Des()); |
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322 MCECLI_DEBUG_DVALUE("\n CMceMsrpSource::SetHostAddrPortFromPathAttr: Parsed return value for MSRP URI: ", |
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323 parseValue); |
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324 |
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325 TBuf8<10> portBuf = parser.Extract(EUriPort); |
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326 |
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327 TBuf16<10> portBuf16; |
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328 portBuf16.Copy(portBuf); |
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329 TLex iLex(portBuf16); |
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330 iLex.Val(aMediaPort); // returns the port value |
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331 delete pathValue; |
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332 return; |
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333 } |
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334 else |
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335 { |
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336 // Get send streams and use remotemediaport |
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337 if ( aStream->Source()->Type() == KMceRTPSource) |
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338 { |
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339 // find the send stream and get the remote media port |
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340 if (aStream->BoundStream() && |
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341 aStream->BoundStreamL().Source() != NULL && |
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342 aStream->BoundStreamL().Source()->Type() != KMceRTPSource) |
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343 { |
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344 aMediaPort = aStream->BoundStreamL().FlatData()->RemoteMediaPort(); |
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345 return; |
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346 } |
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347 // if the streams are not binded then find the send stream aong the session streams |
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348 for (TInt i=0; i<session->Streams().Count(); i++) |
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349 { |
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350 if (session->Streams()[i]!=NULL && (session->Streams()[i]!=aStream) && |
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351 session->Streams()[i]->Type() == aStream->Type()) |
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352 { |
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353 if (session->Streams()[i]->Source()->Type()!=KMceRTPSource) |
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354 { |
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355 aMediaPort = session->Streams()[i]->FlatData()->RemoteMediaPort(); |
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356 return; |
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357 } |
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358 } // inside if |
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359 } // For loop |
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360 } // |
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361 } |
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362 aMediaPort = aStream->FlatData()->RemoteMediaPort(); |
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363 MCECLI_DEBUG_DVALUE("TMceSessionUtility::GetRemoteMediaPortL : ", aMediaPort) |
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364 MCECLI_DEBUG("TMceSessionUtility::GetRemoteMediaPortL: Exit "); |
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365 } |
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366 |
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367 |
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368 |
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369 // ----------------------------------------------------------------------------- |
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370 // TMceSessionUtility::FindAttributeL |
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371 // ----------------------------------------------------------------------------- |
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372 // |
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373 HBufC8* TMceSessionUtility::FindAttributeL(CDesC8Array* asdpLines , const TDesC8& aAttrName) |
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374 { |
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375 // Put all those session level names in single DesC8 object and pass that to CSdpDocument |
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376 TBool attrFound = EFalse; |
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377 CSdpAttributeField* attr=NULL; |
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378 RStringF searchAttr = SdpCodecStringPool::StringPoolL().OpenFStringL(aAttrName); |
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379 HBufC8* retValue = NULL; |
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380 for (TInt i=0; i< asdpLines->MdcaCount()&& !attrFound; i++) |
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381 { |
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382 TBuf8<200> attrText(asdpLines->MdcaPoint(i)); |
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383 |
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384 // media attrivutes can also contain 'b' &'c' lines so skip them |
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385 _LIT8( KMceSdpConnectionLineMarker, "c=" ); |
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386 _LIT8( KMceSdpBandwidthLineMarker, "b=" ); |
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387 |
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388 // Look for media specific conneciton(c= ) line |
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389 if ( (attrText.Find(KMceSdpConnectionLineMarker) >= 0) ) |
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390 { |
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391 if (attrText.Find(aAttrName) >= 0) |
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392 { |
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393 // get the conneciton filed value |
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394 CSdpConnectionField* conn = NULL; |
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395 TRAPD(err, conn = CSdpConnectionField::DecodeL(attrText)); |
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396 if (err != KErrNone) |
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397 { |
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398 searchAttr.Close(); |
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399 _CLOSE_SDPCODEC_STRINGPOOL; |
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400 User::Leave(err); |
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401 } |
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402 __ASSERT_ALWAYS(conn!=NULL, User::Leave(KErrArgument)); |
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403 retValue = conn->Address().Alloc(); |
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404 attrFound = ETrue; |
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405 delete conn; // Free the memory for conn pointer |
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406 } |
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407 } |
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408 // Look for media specific bandwidth(b= ) line |
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409 else if ( (attrText.Find(KMceSdpBandwidthLineMarker) >= 0) ) |
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410 { |
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411 if ((attrText.Find(aAttrName) >= 0)) |
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412 { |
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413 // get the bandwidth filed and return the value |
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414 CSdpBandwidthField* bandWidth = NULL; |
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415 TRAPD(err, bandWidth = CSdpBandwidthField::DecodeL(attrText)); |
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416 if (err != KErrNone) |
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417 { |
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418 searchAttr.Close(); |
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419 _CLOSE_SDPCODEC_STRINGPOOL; |
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420 User::Leave(err); |
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421 } |
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422 __ASSERT_ALWAYS(bandWidth!=NULL, User::Leave(KErrArgument)); |
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423 TBuf8<20> value; |
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424 value.Num(bandWidth->Value()); |
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425 retValue = value.Alloc(); |
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426 attrFound = ETrue; |
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427 delete bandWidth; |
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428 } |
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429 } |
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430 else |
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431 // Look for media specific attribute(a= ) lines |
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432 { |
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433 // Have to free up later point of time |
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434 TRAPD(err, attr = CSdpAttributeField::DecodeL(attrText)); |
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435 if (err != KErrNone) |
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436 { |
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437 searchAttr.Close(); |
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438 _CLOSE_SDPCODEC_STRINGPOOL; |
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439 User::Leave(err); |
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440 } |
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441 if (attr == NULL) |
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442 { |
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443 MCECLI_DEBUG("TMceSessionUtility::FindAttributeL: Error in decoding the media attribute : "); |
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444 searchAttr.Close(); |
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445 _CLOSE_SDPCODEC_STRINGPOOL; |
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446 User::Leave(KErrArgument); |
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447 } |
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448 if (attr->Attribute() == searchAttr && !attrFound) |
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449 { |
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450 retValue = attr->Value().Alloc(); |
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451 attrFound = ETrue; |
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452 } |
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453 delete attr; |
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454 } |
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455 } |
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456 if (attrFound == EFalse) |
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457 { |
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458 retValue = NULL; |
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459 } |
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460 searchAttr.Close(); |
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461 return retValue; |
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462 } |
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463 |
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464 |
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465 // ----------------------------------------------------------------------------- |
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466 // TMceSessionUtility::ConstructSdpDocumentL |
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467 // ----------------------------------------------------------------------------- |
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468 // |
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469 void TMceSessionUtility::ConstructSdpDocumentL(CDesC8Array* asdpLines, CSdpDocument*& asdpDoc) |
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470 { |
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471 if (asdpDoc) |
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472 { |
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473 delete asdpDoc; |
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474 asdpDoc = NULL; |
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475 } |
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476 TBuf8<1000> text; |
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477 for(TInt i=0; i<asdpLines->MdcaCount(); i++) |
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478 { |
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479 TBuf8<200> temp(asdpLines->MdcaPoint(i)); |
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480 text.Append( temp ); |
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481 } |
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482 TInt leaveValue = KErrNone; |
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483 // Ownership for sdpDoc is tranferred to us.. |
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484 TRAP(leaveValue, asdpDoc = CSdpDocument::DecodeL(text)); |
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485 |
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486 if (leaveValue != KErrNone) |
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487 { |
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488 MCECLI_DEBUG_DVALUE("TMceSessionUtility::ConstructSdpDocument: Error in decoding the SdpDocument text : %d", leaveValue); |
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489 SdpCodecStringPool::Close(); |
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490 User::Leave(leaveValue); |
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491 } |
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492 } |