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1 // Copyright (c) 2003-2009 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 // Implements the avdtp configurators |
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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 @file |
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20 @internalComponent |
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21 */ |
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22 |
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23 #include <bluetooth/logger.h> |
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24 #include "avdtpConfigurators.h" |
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25 #include "avdtpSignallingSession.h" |
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26 #include "avdtpSignallingChannel.h" |
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27 #include "avdtp.h" |
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28 #include "avdtputil.h" |
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29 |
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30 #ifdef __FLOG_ACTIVE |
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31 _LIT8(KLogComponent, LOG_COMPONENT_AVDTP); |
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32 #endif |
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33 |
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34 CSEPConfigurator::CSEPConfigurator(CSignallingSession& aSignallingSession, |
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35 CAvdtpProtocol& aProtocol) |
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36 : iSignallingSession(aSignallingSession), iProtocol(aProtocol) |
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37 { |
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38 LOG_FUNC |
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39 } |
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40 |
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41 |
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42 |
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43 |
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44 CRemoteSEPConfigurator* CRemoteSEPConfigurator::NewL(CSignallingSession& aSignallingSession, |
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45 CAvdtpProtocol& aProtocol, |
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46 TSEID aLocalSEID, |
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47 TSEID aRemoteSEID, |
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48 TBool aIsReconfigure) |
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49 { |
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50 LOG_STATIC_FUNC |
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51 CRemoteSEPConfigurator* s = new (ELeave) CRemoteSEPConfigurator(aSignallingSession, |
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52 aProtocol, aIsReconfigure); |
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53 CleanupStack::PushL(s); |
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54 s->ConstructL(aLocalSEID, aRemoteSEID); |
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55 CleanupStack::Pop(s); |
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56 return s; |
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57 } |
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58 |
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59 |
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60 void CRemoteSEPConfigurator::ConstructL(TSEID aLocalSEID, TSEID aRemoteSEID) |
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61 { |
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62 LOG_FUNC |
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63 if (aLocalSEID.IsLocal() && !aRemoteSEID.IsLocal() && iProtocol.RemoteSEPCache().Exists(SignallingSession().RemoteAddress(), aRemoteSEID)) |
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64 { |
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65 // check in cache...(i.e capabilities have been retrieved) |
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66 // create the store for the configuration |
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67 iSetConfigBuffer.CreateL(KAvdtpMinSetConfigLength); |
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68 iLocalSEP = &iSignallingSession.FindLocalSEPL(aLocalSEID); |
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69 iRemoteSEID = aRemoteSEID; |
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70 } |
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71 else |
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72 { |
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73 User::Leave(KErrArgument); |
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74 } |
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75 } |
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76 |
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77 CRemoteSEPConfigurator::CRemoteSEPConfigurator(CSignallingSession& aSignallingSession, |
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78 CAvdtpProtocol& aProtocol, |
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79 TBool aIsReconfigure) |
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80 : CSEPConfigurator(aSignallingSession, aProtocol), iIsReconfigure(aIsReconfigure) |
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81 { |
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82 LOG_FUNC |
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83 } |
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84 |
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85 CRemoteSEPConfigurator::~CRemoteSEPConfigurator() |
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86 { |
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87 LOG_FUNC |
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88 iSetConfigBuffer.Close(); |
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89 } |
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90 |
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91 |
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92 TInt CRemoteSEPConfigurator::AddCapability(const TDesC8& aCapability) |
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93 /* |
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94 Add in caps to SetConf - one per SetOpt |
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95 When Ioctl comes in we have a complete packet to send to sigch |
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96 */ |
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97 { |
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98 LOG_FUNC |
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99 TInt ret = KErrNone; |
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100 |
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101 // this has come in from GAVDP in "protocol" form (as an easy way to do IPC) |
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102 // we sanity check this here before sending |
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103 // run visitor over it |
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104 CCapabilitySummaryVisitor* visitor = new CCapabilitySummaryVisitor(); |
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105 if (visitor) |
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106 { |
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107 TPtr8 ptr(const_cast<TUint8*>(aCapability.Ptr()), aCapability.Length(), aCapability.Length()); |
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108 |
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109 visitor->Process(ptr); |
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110 TAvdtpServiceCategories cats = visitor->CapabilitiesPresent(); |
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111 |
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112 if (iIsReconfigure) |
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113 { |
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114 if (!(cats.CapabilityPresent(EServiceCategoryMediaCodec) || cats.CapabilityPresent(EServiceCategoryContentProtection))) |
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115 { |
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116 // check that if reconfiguring, the capability is reconfigurable (see 8.10.1, AVDTP) |
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117 ret = KErrArgument; |
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118 } |
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119 } |
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120 else |
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121 { |
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122 // check for interesting cases during non-reconfigure |
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123 if (cats.CapabilityPresent(EServiceCategoryMultiplexing)) |
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124 { |
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125 ret = KErrArgument; // only stack manage this capability |
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126 } |
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127 else if (cats.CapabilityPresent(EServiceCategoryReporting)) |
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128 { |
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129 // this saves the stream having to reparse the set configuration buffer |
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130 iReportingConfigured = ETrue; |
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131 } |
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132 else if (cats.CapabilityPresent(EServiceCategoryRecovery)) |
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133 { |
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134 // this saves the stream having to reparse the set configuration buffer |
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135 iRecoveryConfigured = ETrue; |
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136 } |
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137 } |
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138 } |
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139 else |
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140 { |
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141 ret = KErrNoMemory; |
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142 } |
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143 |
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144 if (KErrNone==ret) |
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145 { |
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146 // ok to send, grow buffer to take this capability |
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147 ret = iSetConfigBuffer.ReAlloc(iSetConfigBuffer.Length() + aCapability.Length()); |
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148 if (KErrNone==ret) |
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149 { |
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150 iSetConfigBuffer.Append(aCapability); |
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151 } |
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152 } |
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153 delete visitor; |
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154 |
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155 return ret; |
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156 } |
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157 |
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158 |
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159 TInt CRemoteSEPConfigurator::Finalise() |
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160 { |
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161 LOG_FUNC |
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162 // the client has now sent all SetOpts for config |
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163 // we need to finalise - ask stream to finalise out SetConfigBuffer |
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164 TRAPD(res, SignallingSession().DoConfigureStreamL(iSetConfigBuffer, |
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165 *iLocalSEP, |
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166 iRemoteSEID, |
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167 iReportingConfigured, |
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168 iRecoveryConfigured)); |
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169 |
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170 if (res!=KErrNone) |
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171 { |
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172 iSetConfigBuffer.Close(); |
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173 } |
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174 else |
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175 { |
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176 // for remote seps we really do go async |
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177 res = KRequestPending; |
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178 // transferred ownership of iSetConfigBuffer, so don't close, just zero |
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179 iSetConfigBuffer.Assign(NULL); |
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180 } |
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181 return res; |
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182 } |
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183 |
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184 |
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185 CLocalSEPConfigurator* CLocalSEPConfigurator::NewL(CSignallingSession& aSignallingSession, |
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186 CAvdtpProtocol& aProtocol, |
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187 TSEID aSEID) |
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188 { |
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189 LOG_STATIC_FUNC |
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190 CLocalSEPConfigurator* s = new (ELeave) CLocalSEPConfigurator(aSignallingSession, |
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191 aProtocol); |
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192 CleanupStack::PushL(s); |
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193 s->ConstructL(aSEID); |
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194 CleanupStack::Pop(s); |
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195 return s; |
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196 } |
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197 |
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198 void CLocalSEPConfigurator::ConstructL(TSEID aSEID) |
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199 { |
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200 LOG_FUNC |
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201 if (!aSEID.IsLocal()) |
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202 { |
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203 User::Leave(KErrArgument); |
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204 } |
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205 // check in local sep queue (i.e. has been registered) |
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206 iLocalSEP = &SignallingSession().FindLocalSEPL(aSEID); |
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207 TAvdtpServiceCategories cats; |
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208 cats.SetCapability(EAllServiceCategories); |
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209 iCapabilityParseVisitor = new (ELeave) CCapabilityParseVisitor(cats); |
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210 } |
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211 |
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212 |
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213 CLocalSEPConfigurator::CLocalSEPConfigurator(CSignallingSession& aSignallingSession, |
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214 CAvdtpProtocol& aProtocol) |
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215 : CSEPConfigurator(aSignallingSession, aProtocol) |
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216 { |
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217 LOG_FUNC |
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218 } |
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219 |
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220 CLocalSEPConfigurator::~CLocalSEPConfigurator() |
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221 { |
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222 LOG_FUNC |
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223 delete iCapabilityParseVisitor; |
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224 } |
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225 |
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226 TInt CLocalSEPConfigurator::AddCapability(const TDesC8& aCapabilityInProtocolForm) |
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227 /* |
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228 Add in caps to SetConf - one per SetOpt |
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229 When finalise Ioctl comes in we have a complete packet to send to sigch |
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230 */ |
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231 { |
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232 LOG_FUNC |
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233 // convert into T-class form to santiy check this is goign to end up as a good configuration |
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234 TPtr8 ptr(const_cast<TUint8*>(aCapabilityInProtocolForm.Ptr()), aCapabilityInProtocolForm.Length(), aCapabilityInProtocolForm.Length()); |
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235 iCapabilityParseVisitor->Process(ptr); |
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236 |
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237 return KErrNone; |
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238 } |
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239 |
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240 TInt CLocalSEPConfigurator::Finalise() |
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241 { |
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242 LOG_FUNC |
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243 // get all the set capabilities |
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244 TCapabilitiesArray caps = iCapabilityParseVisitor->GetCapabilities(); |
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245 |
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246 // muxing shouldnt be set yet |
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247 __ASSERT_DEBUG(!caps[EServiceCategoryMultiplexing], Panic(EAvdtpConfiguratorsMultiplexingUnexpectedlySet)); |
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248 |
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249 // at this point we put in support for muxing as all Symbian local SEPs to |
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250 #ifndef __SYMBIAN_AVDTP_HIDE_MUX |
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251 |
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252 TAvdtpMultiplexingCapability* mux = new TAvdtpMultiplexingCapability; |
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253 if (mux) |
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254 { |
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255 TAvdtpMultiplexingCapabilityHelper helper(*mux, !!caps[EServiceCategoryReporting], !!caps[EServiceCategoryRecovery]); |
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256 // set all relevant transport ids to zero to request values from INT |
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257 // see AVDTP spec p90 |
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258 // if we are an INT we'll update this capability later in statespace |
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259 helper.SetMediaSID(0); |
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260 helper.SetMediaCID(0); |
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261 |
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262 if (caps[EServiceCategoryReporting]) |
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263 { |
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264 helper.SetReportingSID(0); |
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265 helper.SetReportingCID(0); |
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266 } |
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267 // if recovery exposed then set to 0, else leave |
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268 if (caps[EServiceCategoryRecovery]) |
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269 { |
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270 helper.SetRecoverySID(0); |
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271 helper.SetRecoveryCID(0); |
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272 } |
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273 |
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274 caps[EServiceCategoryMultiplexing] = mux; // ownership transferred |
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275 } |
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276 #endif |
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277 // else forgot about trying to do muxing - it was an optimisation |
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278 |
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279 for (TInt i=0; i<ENumberOfServiceCategories; i++) |
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280 { |
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281 if (caps[i]) |
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282 { |
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283 iLocalSEP->AddCapability(caps[i]); // transfer ownership of element |
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284 } |
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285 } |
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286 |
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287 return KErrNone; |
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288 } |
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289 |