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1 // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // Name : CSipLaunchingStrategies.cpp |
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15 // Part of : SIP Client Resolver |
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16 // Version : 1.0 |
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17 // |
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18 |
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19 |
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20 |
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21 #include "CSipLaunchingStrategies.h" |
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22 #include "sdpcodecstringconstants.h" |
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23 #include "MSipClients.h" |
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24 #include "MSipClient.h" |
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25 #include "CSipAcceptContactStrategy2.h" |
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26 #include "CSipAcceptContactStrategy.h" |
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27 #include "CSipAllowEventsStrategy2.h" |
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28 #include "CSipAllowEventsStrategy.h" |
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29 #include "CSipRequestStrategy.h" |
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30 #include "CSipContentTypeStrategy.h" |
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31 #include "CSdpMLineNameStrategy.h" |
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32 #include "CSdpMLineMediaStrategy.h" |
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33 #include "CSdpMLineTransportStrategy.h" |
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34 #include "CSdpRtpmapStrategy.h" |
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35 #include "CSdpMediaAttributeStrategy.h" |
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36 #include "CSIPOptionsHandler.h" |
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37 #include "sipresponse.h" |
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38 #include "siprequest.h" |
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39 #include "sipcontenttypeheader.h" |
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40 #include "siperr.h" |
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41 #include "sipstrings.h" |
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42 #include "sipstrconsts.h" |
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43 #include "sdpdocument.h" |
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44 #include "SIPCRLogs.h" |
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45 #include "CSIPClientResolver2.h" |
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46 #include "sdpmediafield.h" |
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47 |
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48 const TUint KResponse400 = 400; |
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49 const TUint KResponse501 = 501; |
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50 |
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51 _LIT8(KSdp, "sdp"); |
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52 _LIT8(KApplication, "application"); |
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53 |
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54 |
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55 // ---------------------------------------------------------------------------- |
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56 // CSipLaunchingStrategies::NewL |
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57 // ---------------------------------------------------------------------------- |
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58 // |
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59 CSipLaunchingStrategies* CSipLaunchingStrategies::NewL( |
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60 MSipClients& aSipClients) |
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61 { |
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62 CSipLaunchingStrategies* self = |
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63 new(ELeave)CSipLaunchingStrategies(aSipClients); |
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64 CleanupStack::PushL(self); |
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65 self->ConstructL(); |
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66 CleanupStack::Pop(self); |
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67 return self; |
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68 } |
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69 |
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70 // ---------------------------------------------------------------------------- |
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71 // CSipLaunchingStrategies::CSipLaunchingStrategies |
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72 // ---------------------------------------------------------------------------- |
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73 // |
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74 CSipLaunchingStrategies::CSipLaunchingStrategies( |
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75 MSipClients& aSipClients) |
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76 : iSipClients(aSipClients) |
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77 { |
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78 } |
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79 |
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80 // ---------------------------------------------------------------------------- |
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81 // CSipLaunchingStrategies::ConstructL |
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82 // ---------------------------------------------------------------------------- |
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83 // |
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84 void CSipLaunchingStrategies::ConstructL() |
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85 { |
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86 // SIP header strategies |
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87 CSipContentTypeStrategy* contentTypeStrategy = |
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88 CSipContentTypeStrategy::NewLC( iSipClients,NULL ); |
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89 iSipStrategies.AppendL( contentTypeStrategy ); |
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90 CleanupStack::Pop( contentTypeStrategy ); |
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91 |
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92 CSipRequestStrategy* requestStrategy = |
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93 CSipRequestStrategy::NewLC( iSipClients,NULL,contentTypeStrategy ); |
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94 iSipStrategies.AppendL( requestStrategy ); |
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95 CleanupStack::Pop( requestStrategy ); |
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96 |
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97 CSipAllowEventsStrategy* allowEventsStrategy = |
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98 CSipAllowEventsStrategy::NewLC( iSipClients, |
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99 requestStrategy, |
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100 requestStrategy ); |
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101 iSipStrategies.InsertL( allowEventsStrategy,0 ); |
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102 CleanupStack::Pop( allowEventsStrategy ); |
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103 |
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104 CSipAllowEventsStrategy2* allowEventsStrategy2 = |
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105 CSipAllowEventsStrategy2::NewLC( iSipClients, |
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106 requestStrategy, |
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107 allowEventsStrategy ); |
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108 iSipStrategies.InsertL( allowEventsStrategy2,0 ); |
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109 CleanupStack::Pop( allowEventsStrategy2 ); |
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110 |
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111 CSipAcceptContactStrategy* acceptContactStrategy = |
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112 CSipAcceptContactStrategy::NewLC( iSipClients, |
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113 allowEventsStrategy, |
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114 allowEventsStrategy2 ); |
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115 iSipStrategies.InsertL( acceptContactStrategy,0 ); |
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116 CleanupStack::Pop( acceptContactStrategy ); |
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117 |
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118 CSipAcceptContactStrategy2* acceptContactStrategy2 = |
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119 CSipAcceptContactStrategy2::NewLC( iSipClients, |
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120 allowEventsStrategy2, |
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121 acceptContactStrategy ); |
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122 iSipStrategies.InsertL( acceptContactStrategy2,0 ); |
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123 CleanupStack::Pop( acceptContactStrategy2 ); |
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124 |
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125 // SDP strategies |
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126 CSdpMLineMediaStrategy* mlineMedia = |
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127 CSdpMLineMediaStrategy::NewLC(iSipClients); |
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128 iSdpStrategies.AppendL(mlineMedia); |
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129 CleanupStack::Pop(mlineMedia); |
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130 |
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131 CSdpMLineTransportStrategy* mlineTransport = |
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132 CSdpMLineTransportStrategy::NewLC(iSipClients); |
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133 iSdpStrategies.AppendL(mlineTransport); |
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134 CleanupStack::Pop(mlineTransport); |
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135 |
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136 CSdpRtpmapStrategy* rtpmap = |
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137 CSdpRtpmapStrategy::NewLC(iSipClients); |
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138 iSdpStrategies.AppendL(rtpmap); |
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139 CleanupStack::Pop(rtpmap); |
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140 |
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141 CSdpMediaAttributeStrategy* mediaAttribute = |
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142 CSdpMediaAttributeStrategy::NewLC(iSipClients); |
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143 iSdpStrategies.AppendL(mediaAttribute); |
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144 CleanupStack::Pop(mediaAttribute); |
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145 |
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146 CSdpMLineNameStrategy* mlineName = |
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147 CSdpMLineNameStrategy::NewLC(iSipClients); |
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148 iSdpStrategies.AppendL(mlineName); |
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149 CleanupStack::Pop(mlineName); |
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150 } |
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151 |
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152 // ---------------------------------------------------------------------------- |
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153 // CSipLaunchingStrategies::~CSipLaunchingStrategies |
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154 // ---------------------------------------------------------------------------- |
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155 // |
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156 CSipLaunchingStrategies::~CSipLaunchingStrategies() |
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157 { |
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158 iSipStrategies.ResetAndDestroy(); |
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159 iSdpStrategies.ResetAndDestroy(); |
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160 } |
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161 |
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162 // ---------------------------------------------------------------------------- |
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163 // CSipLaunchingStrategies::ApplyL |
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164 // ---------------------------------------------------------------------------- |
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165 // |
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166 CSIPResponse* CSipLaunchingStrategies::ApplyL( |
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167 CSIPRequest& aRequest, |
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168 RArray<TUid>& aUids, |
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169 CSIPClientResolver2& aClientResolver2 ) |
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170 { |
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171 SIP_CR_LOG("CSipLaunchingStrategies::ApplyL") |
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172 if (aRequest.Method() == SIPStrings::StringF(SipStrConsts::EOptions)) |
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173 { |
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174 SIP_CR_LOG("CSipLaunchingStrategies::ApplyL EOptions") |
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175 if (ClientForOptionsL(aRequest,aUids,aClientResolver2)) |
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176 { |
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177 return NULL; |
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178 } |
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179 } |
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180 CSIPResponse* response = CheckMethodL(aRequest,aUids,aClientResolver2); |
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181 if (response) |
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182 { |
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183 SIP_CR_LOG("CSipLaunchingStrategies::ApplyL wrong method") |
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184 return response; |
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185 } |
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186 |
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187 // Apply SIP header strategies |
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188 TBool continueSearch = EFalse; |
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189 response = iSipStrategies[0]->ApplyL(aRequest,aUids,continueSearch, |
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190 aClientResolver2 ); |
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191 |
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192 // Apply SDP strategies |
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193 if (!response && |
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194 continueSearch && |
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195 HasSDPContent(const_cast<CSIPRequest&>(aRequest))) |
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196 { |
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197 CSdpDocument* sdpDocument = NULL; |
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198 TRAPD (err, sdpDocument = CSdpDocument::DecodeL(aRequest.Content())); |
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199 SIP_CR_INT_LOG("CSdpDocument::DecodeL completed with", err) |
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200 if (err != KErrNone) |
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201 { |
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202 if (err == KErrNoMemory) |
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203 { |
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204 User::Leave(err); |
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205 } |
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206 return CSIPResponse::NewL(KResponse400, |
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207 SIPStrings::StringF(SipStrConsts::EPhraseBadRequest)); |
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208 } |
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209 CleanupStack::PushL(sdpDocument); |
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210 if (!sdpDocument->IsValid()) |
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211 { |
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212 response = CSIPResponse::NewL(KResponse400, |
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213 SIPStrings::StringF(SipStrConsts::EPhraseBadRequest)); |
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214 } |
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215 else |
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216 { |
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217 for (TInt j=0; j < iSdpStrategies.Count() && !response; j++) |
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218 { |
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219 response = iSdpStrategies[j]->ApplyL(*sdpDocument,aUids); |
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220 } |
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221 } |
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222 CleanupStack::PopAndDestroy(sdpDocument); |
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223 } |
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224 |
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225 return response; |
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226 } |
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227 |
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228 // ---------------------------------------------------------------------------- |
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229 // CSipLaunchingStrategies::CheckMethodL |
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230 // ---------------------------------------------------------------------------- |
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231 // |
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232 CSIPResponse* CSipLaunchingStrategies::CheckMethodL( |
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233 CSIPRequest& aRequest, |
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234 RArray<TUid>& aUids, |
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235 CSIPClientResolver2& aClientResolver2) |
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236 { |
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237 CSIPResponse* response = NULL; |
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238 RStringF method = aRequest.Method(); |
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239 |
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240 if (method == SIPStrings::StringF(SipStrConsts::EOptions)) |
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241 { |
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242 response = CreateOptionsResponseL(aRequest,aUids,aClientResolver2); |
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243 } |
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244 else if (method == SIPStrings::StringF(SipStrConsts::EPrack) || |
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245 method == SIPStrings::StringF(SipStrConsts::EBye) || |
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246 method == SIPStrings::StringF(SipStrConsts::EUpdate) || |
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247 method == SIPStrings::StringF(SipStrConsts::EAck)) |
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248 { |
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249 response = |
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250 CSIPResponse::NewL(KResponse400, |
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251 SIPStrings::StringF(SipStrConsts::EPhraseBadRequest)); |
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252 } |
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253 else if (method == SIPStrings::StringF(SipStrConsts::ERegister)) |
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254 { |
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255 response = |
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256 CSIPResponse::NewL(KResponse501, |
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257 SIPStrings::StringF(SipStrConsts::EPhraseNotImplemented)); |
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258 } |
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259 else |
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260 { |
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261 // NOP |
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262 } |
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263 |
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264 return response; |
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265 } |
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266 |
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267 // ---------------------------------------------------------------------------- |
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268 // CSipLaunchingStrategies::HasSDPContent |
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269 // ---------------------------------------------------------------------------- |
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270 // |
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271 TBool CSipLaunchingStrategies::HasSDPContent(CSIPRequest& aRequest) |
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272 { |
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273 CSIPHeaderBase* header = |
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274 aRequest.Header( |
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275 SIPStrings::StringF(SipStrConsts::EContentTypeHeader),0); |
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276 |
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277 if (header) |
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278 { |
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279 CSIPContentTypeHeader* contentType = |
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280 static_cast<CSIPContentTypeHeader*> (header); |
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281 |
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282 if((contentType->MediaType()).CompareF(KApplication) != 0) |
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283 { |
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284 return EFalse; |
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285 } |
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286 |
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287 return (contentType->MediaSubtype().CompareF(KSdp) == 0); |
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288 } |
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289 |
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290 return EFalse; |
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291 } |
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292 |
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293 // ---------------------------------------------------------------------------- |
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294 // CSipLaunchingStrategies::CreateOptionsResponseL |
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295 // ---------------------------------------------------------------------------- |
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296 // |
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297 CSIPResponse* CSipLaunchingStrategies::CreateOptionsResponseL( |
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298 CSIPRequest& aRequest, |
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299 RArray<TUid>& aUids, |
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300 CSIPClientResolver2& aClientResolver2) |
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301 { |
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302 CSIPOptionsHandler* optionsHandler = CSIPOptionsHandler::NewLC(aRequest); |
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303 |
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304 for (TInt i=0; i < aUids.Count(); i++) |
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305 { |
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306 MSipClient* client = iSipClients.GetByUID(aUids[i]); |
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307 if (client) |
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308 { |
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309 optionsHandler->AddClientDataL(client->SdpDocument()); |
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310 } |
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311 } |
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312 |
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313 for (TInt i=0; i < aClientResolver2.Clients().Count(); i++) |
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314 { |
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315 CSIPResolvedClient2* client = aClientResolver2.Clients()[i]; |
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316 if ( client ) |
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317 { |
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318 RPointerArray<CSdpMediaField> mediaFields; |
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319 TRAPD( err,mediaFields = client->SupportedSdpMediasL() ); |
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320 if ( err == KErrNoMemory ) |
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321 { |
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322 User::Leave( err ); |
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323 } |
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324 if ( !err ) |
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325 { |
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326 CSipLaunchingStrategies::PushLC(&mediaFields); |
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327 optionsHandler->AddClientDataL(&mediaFields); |
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328 CleanupStack::Pop();//mediaFields |
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329 mediaFields.ResetAndDestroy(); |
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330 } |
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331 err = 0; |
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332 } |
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333 } |
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334 |
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335 CSIPResponse* response = |
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336 optionsHandler->CreateResponseL( aUids, |
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337 iSipClients, |
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338 aClientResolver2); |
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339 |
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340 CleanupStack::PopAndDestroy(optionsHandler); |
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341 |
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342 return response; |
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343 } |
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344 |
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345 // ----------------------------------------------------------------------------- |
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346 // CSipLaunchingStrategies::PushLC |
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347 // ----------------------------------------------------------------------------- |
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348 // |
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349 void CSipLaunchingStrategies::PushLC(RPointerArray<CSdpMediaField>* aArray) |
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350 { |
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351 CleanupStack::PushL(TCleanupItem(ResetAndDestroyArray,aArray)); |
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352 } |
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353 |
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354 // ----------------------------------------------------------------------------- |
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355 // CSipLaunchingStrategies::ResetAndDestroyArray |
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356 // ----------------------------------------------------------------------------- |
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357 // |
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358 void CSipLaunchingStrategies::ResetAndDestroyArray(TAny* anArray) |
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359 { |
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360 RPointerArray<CSdpMediaField>* array = |
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361 reinterpret_cast<RPointerArray<CSdpMediaField>*>(anArray); |
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362 if (array) |
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363 { |
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364 array->ResetAndDestroy(); |
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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 // CSipLaunchingStrategies::ClientForOptionsL |
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370 // ---------------------------------------------------------------------------- |
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371 // |
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372 TBool CSipLaunchingStrategies::ClientForOptionsL( |
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373 CSIPRequest& aRequest, |
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374 RArray<TUid>& aUids, |
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375 CSIPClientResolver2& aClientResolver2 ) |
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376 { |
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377 TBool found = EFalse; |
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378 if (aRequest.HasHeader( |
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379 SIPStrings::StringF(SipStrConsts::EAcceptContactHeader))) |
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380 { |
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381 CSIPResponse* response = NULL; |
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382 RArray<TUid> tmpUids; |
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383 CleanupClosePushL(tmpUids); |
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384 for (TInt i=0; i<aUids.Count(); i++) |
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385 { |
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386 tmpUids.AppendL(aUids[i]); |
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387 } |
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388 |
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389 TBool secondGenerationClientsFound = |
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390 (aClientResolver2.Clients().Count() > 0); |
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391 |
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392 CSipAcceptContactStrategy* acceptContact = |
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393 CSipAcceptContactStrategy::NewLC( iSipClients,NULL,NULL ); |
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394 |
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395 TBool dummy = EFalse; |
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396 |
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397 if ( secondGenerationClientsFound ) |
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398 { |
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399 CSipAcceptContactStrategy2* acceptContact2 = |
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400 CSipAcceptContactStrategy2::NewLC( iSipClients, |
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401 NULL, |
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402 acceptContact ); |
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403 response = acceptContact2->ApplyL( aRequest,tmpUids,dummy, |
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404 aClientResolver2 ); |
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405 CleanupStack::PopAndDestroy( acceptContact2 ); |
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406 } |
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407 else |
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408 { |
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409 response = acceptContact->ApplyL( aRequest,tmpUids,dummy, |
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410 aClientResolver2 ); |
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411 } |
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412 CleanupStack::PopAndDestroy( acceptContact ); |
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413 CleanupStack::PushL(response); |
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414 |
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415 if (!response) |
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416 { |
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417 found = ETrue; |
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418 aUids.Reset(); |
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419 // Add only the best match to the results. |
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420 // The best match is the first item in the resulting array. |
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421 if (tmpUids.Count() > 0) |
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422 { |
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423 aUids.AppendL(tmpUids[0]); |
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424 } |
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425 } |
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426 delete response; |
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427 CleanupStack::Pop(); //response |
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428 CleanupStack::PopAndDestroy(&tmpUids); |
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429 } |
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430 return found; |
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431 } |