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1 /* |
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2 * Copyright (c) 2007 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: Utility class implementation. |
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15 * |
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16 */ |
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17 |
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18 #include <sdpcodecstringpool.h> |
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19 #include <sdpcodecstringconstants.h> |
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20 #include <sdpdocument.h> |
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21 #include <sdpconnectionfield.h> |
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22 #include <sdporiginfield.h> |
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23 #include <sdpmediafield.h> |
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24 #include "natfwcandidate.h" |
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25 #include "nsputil.h" |
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26 #include "nspdefs.h" |
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27 #include "nspmediastream.h" |
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28 |
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29 const TUint KMaxLengthOfFQDN = 255; |
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30 const TUint KRejectPort = 0; |
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31 |
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32 // ======== MEMBER FUNCTIONS ======== |
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33 // --------------------------------------------------------------------------- |
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34 // NSPUtil::FindMediaStream |
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35 // --------------------------------------------------------------------------- |
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36 // |
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37 CNSPMediaStream* NSPUtil::FindMediaStream( const CSdpMediaField& aMediaField, |
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38 RPointerArray<CNSPMediaStream>& aMediaStreams ) |
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39 { |
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40 const TInt mediastreamscount( aMediaStreams.Count() ); |
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41 for ( TInt index = 0; index < mediastreamscount; index++ ) |
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42 { |
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43 if ( aMediaStreams[index]->MediaField().Media() == aMediaField.Media() ) |
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44 { |
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45 return aMediaStreams[index]; |
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46 } |
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47 } |
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48 |
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49 return NULL; |
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50 } |
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51 |
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52 |
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53 // --------------------------------------------------------------------------- |
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54 // NSPUtil::FindMediaStream |
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55 // --------------------------------------------------------------------------- |
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56 // |
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57 CNSPMediaStream* NSPUtil::FindMediaStream( |
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58 const CNSPMediaStream& aMediaStream, |
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59 RPointerArray<CNSPMediaStream>& aMediaStreams ) |
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60 { |
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61 const TInt mediastreamscount( aMediaStreams.Count() ); |
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62 for ( TInt index = 0; index < mediastreamscount; index++ ) |
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63 { |
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64 if ( aMediaStreams[index]->MediaField().Media() == |
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65 aMediaStream.MediaField().Media() ) |
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66 { |
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67 return aMediaStreams[index]; |
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68 } |
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69 } |
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70 |
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71 return NULL; |
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72 } |
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73 |
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74 |
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75 // --------------------------------------------------------------------------- |
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76 // NSPUtil::FindMediaField |
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77 // --------------------------------------------------------------------------- |
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78 // |
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79 CSdpMediaField* NSPUtil::FindMediaField( const CNSPMediaStream& aMediaStream, |
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80 RPointerArray<CSdpMediaField>& aMediaFields ) |
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81 { |
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82 const TInt mediafieldscount( aMediaFields.Count() ); |
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83 for ( TInt index = 0; index < mediafieldscount; index++ ) |
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84 { |
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85 if ( aMediaFields[index]->Media() == aMediaStream.MediaField().Media() ) |
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86 { |
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87 return aMediaFields[index]; |
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88 } |
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89 } |
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90 |
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91 return NULL; |
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92 } |
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93 |
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94 |
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95 // --------------------------------------------------------------------------- |
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96 // NSPUtil::FindMediaField |
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97 // --------------------------------------------------------------------------- |
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98 // |
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99 CSdpMediaField* NSPUtil::FindMediaField( const CSdpMediaField& aMediaField, |
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100 RPointerArray<CSdpMediaField>& aMediaFields ) |
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101 { |
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102 const TInt mediafieldscount( aMediaFields.Count() ); |
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103 for ( TInt index = 0; index < mediafieldscount; index++ ) |
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104 { |
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105 if ( aMediaFields[index]->Media() == aMediaField.Media() ) |
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106 { |
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107 return aMediaFields[index]; |
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108 } |
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109 } |
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110 |
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111 return NULL; |
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112 } |
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113 |
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114 |
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115 // --------------------------------------------------------------------------- |
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116 // NSPUtil::SortCandidatesL |
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117 // --------------------------------------------------------------------------- |
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118 // |
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119 void NSPUtil::SortCandidatesL( RPointerArray<CNATFWCandidate>& aLocalCands ) |
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120 { |
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121 __ASSERT_ALWAYS( &aLocalCands, User::Leave( KErrArgument ) ); |
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122 __ASSERT_ALWAYS( aLocalCands.Count(), User::Leave( KErrArgument ) ); |
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123 |
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124 TLinearOrder<CNATFWCandidate> order( CNATFWCandidate::PriorityOrder ); |
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125 aLocalCands.Sort( order ); |
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126 } |
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127 |
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128 |
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129 // --------------------------------------------------------------------------- |
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130 // NSPUtil::UpdateConnectionFieldL |
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131 // --------------------------------------------------------------------------- |
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132 // |
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133 void NSPUtil::UpdateConnectionFieldL( |
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134 CSdpConnectionField& aField, const TDesC8& aAddress ) |
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135 { |
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136 __ASSERT_ALWAYS( &aField, User::Leave( KErrArgument ) ); |
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137 __ASSERT_ALWAYS( &aAddress != NULL, User::Leave( KErrArgument ) ); |
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138 |
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139 TBool unspecf( EFalse ); |
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140 RStringF netType = aField.NetType(); |
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141 RStringF addressType = aField.AddressType(); |
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142 const TDesC8& address = aField.Address(); |
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143 |
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144 TInetAddr addr; |
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145 HBufC* addrBuf = HBufC::NewLC( KMaxLengthOfFQDN ); |
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146 TPtr addrPtr( addrBuf->Des() ); |
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147 addrPtr.Copy( address ); |
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148 |
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149 if ( !addr.Input( addrBuf->Des() ) ) // valid IP |
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150 { |
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151 unspecf = addr.IsUnspecified(); |
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152 addrPtr.Copy( aAddress ); |
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153 |
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154 if ( !unspecf && !addr.Input( addrBuf->Des() ) ) |
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155 { |
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156 CSdpConnectionField* field = CSdpConnectionField::NewL( addr ); |
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157 addressType = field->AddressType(); |
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158 delete field; |
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159 } |
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160 } |
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161 |
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162 if ( !unspecf ) |
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163 { |
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164 aField.SetAddressL( netType, addressType, aAddress ); |
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165 } |
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166 |
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167 CleanupStack::PopAndDestroy( addrBuf ); |
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168 } |
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169 |
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170 |
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171 // --------------------------------------------------------------------------- |
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172 // NSPUtil::UpdateOriginFieldL |
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173 // --------------------------------------------------------------------------- |
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174 // |
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175 void NSPUtil::UpdateOriginFieldL( |
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176 CSdpOriginField& aField, const TDesC8& aAddress ) |
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177 { |
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178 __ASSERT_ALWAYS( &aField, User::Leave( KErrArgument ) ); |
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179 __ASSERT_ALWAYS( &aAddress != NULL, User::Leave( KErrArgument ) ); |
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180 |
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181 TBool unspecf( EFalse ); |
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182 RStringF netType = aField.NetType(); |
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183 RStringF addressType = aField.AddressType(); |
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184 const TDesC8& address = aField.Address(); |
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185 |
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186 TInetAddr addr; |
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187 HBufC* addrBuf = HBufC::NewLC( KMaxLengthOfFQDN ); |
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188 TPtr addrPtr( addrBuf->Des() ); |
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189 addrPtr.Copy( address ); |
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190 |
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191 if ( !addr.Input( addrBuf->Des() ) ) // valid IP |
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192 { |
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193 unspecf = addr.IsUnspecified(); |
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194 addrPtr.Copy( aAddress ); |
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195 |
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196 if ( !unspecf && !addr.Input( addrBuf->Des() ) ) |
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197 { |
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198 CSdpConnectionField* field = CSdpConnectionField::NewL( addr ); |
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199 addressType = field->AddressType(); |
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200 delete field; |
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201 } |
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202 } |
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203 |
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204 if ( !unspecf ) |
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205 { |
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206 aField.SetAddressL( aAddress, netType, addressType ); |
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207 } |
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208 |
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209 CleanupStack::PopAndDestroy( addrBuf ); |
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210 } |
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211 |
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212 |
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213 // --------------------------------------------------------------------------- |
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214 // NSPUtil::RejectL |
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215 // --------------------------------------------------------------------------- |
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216 // |
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217 void NSPUtil::RejectL( CSdpMediaField& aField ) |
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218 { |
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219 __ASSERT_ALWAYS( &aField, User::Leave( KErrArgument ) ); |
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220 aField.SetPortL( KRejectPort ); |
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221 } |
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222 |
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223 |
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224 // --------------------------------------------------------------------------- |
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225 // NSPUtil::IsReject |
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226 // --------------------------------------------------------------------------- |
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227 // |
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228 TBool NSPUtil::IsReject( const CSdpMediaField& aField ) |
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229 { |
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230 if ( &aField ) |
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231 { |
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232 return ( KRejectPort == aField.Port() ); |
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233 } |
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234 else |
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235 { |
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236 return EFalse; |
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237 } |
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238 } |
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239 |
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240 |
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241 // --------------------------------------------------------------------------- |
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242 // NSPUtil::IsDuplicate |
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243 // --------------------------------------------------------------------------- |
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244 // |
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245 TBool NSPUtil::IsDuplicate( const CNATFWCandidate& aCand, |
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246 const RPointerArray<CNATFWCandidate>& aCandidates ) |
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247 { |
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248 const TUint candidatecount( aCandidates.Count() ); |
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249 for ( TUint index = 0; index < candidatecount; index++ ) |
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250 { |
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251 if ( aCand == *aCandidates[index] ) |
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252 { |
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253 return ETrue; |
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254 } |
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255 } |
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256 |
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257 return EFalse; |
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258 } |
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259 |
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260 |
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261 // --------------------------------------------------------------------------- |
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262 // NSPUtil::IsUnspecifiedL |
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263 // --------------------------------------------------------------------------- |
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264 // |
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265 TBool NSPUtil::IsUnspecifiedL( const TDesC8& aAddress, TUint aPort ) |
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266 { |
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267 TInetAddr addr; |
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268 TRAPD( error, addr = ConvertTDesC8ToTInetAddrL( aAddress, aPort ) ); |
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269 User::LeaveIfError( KErrNoMemory == error ? KErrNoMemory : KErrNone ); |
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270 return ( KErrNone == error ? addr.IsUnspecified() : EFalse ); |
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271 } |
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272 |
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273 |
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274 // --------------------------------------------------------------------------- |
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275 // NSPUtil::CleanupArrayItem |
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276 // --------------------------------------------------------------------------- |
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277 // |
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278 void NSPUtil::CleanupArrayItem( TAny* anArray ) |
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279 { |
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280 if ( anArray ) |
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281 { |
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282 reinterpret_cast< RPointerArray<CNATFWCandidate>* >( anArray )-> |
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283 ResetAndDestroy(); |
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284 reinterpret_cast< RPointerArray<CNATFWCandidate>* >( anArray )-> |
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285 Close(); |
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286 } |
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287 } |
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288 |
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289 |
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290 // end of file |