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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 transport channel base class |
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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 "avdtpTransportChannel.h" |
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25 #include "avdtpDirectChannel.h" |
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26 #include "avdtpMuxChannel.h" |
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27 #include "avdtp.h" |
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28 |
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29 #ifdef __FLOG_ACTIVE |
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30 _LIT8(KLogComponent, LOG_COMPONENT_AVDTP); |
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31 #endif |
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32 |
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33 CTransportChannel::CTransportChannel(CAvdtpProtocol& aProtocol, |
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34 const TBTDevAddr& aRemoteDevice) |
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35 : iProtocol(aProtocol), |
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36 iRemoteDevice(const_cast<TBTDevAddr&>(aRemoteDevice)) |
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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 CTransportChannel::~CTransportChannel() |
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42 { |
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43 LOG_FUNC |
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44 iProtocol.TransportChannelDown(*this); |
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45 |
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46 if (iLogicalChannel) |
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47 { |
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48 iLogicalChannel->Shutdown(CServProviderBase::EImmediate); |
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49 delete iLogicalChannel; |
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50 } |
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51 } |
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52 |
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53 /*static*/ CTransportChannel* CTransportChannel::NewDirectChannelL(CAvdtpProtocol& aProtocol, |
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54 const TBTDevAddr& aRemoteDevice) |
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55 { |
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56 LOG_STATIC_FUNC |
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57 return CDirectChannel::NewL(aProtocol, aRemoteDevice); |
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58 } |
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59 |
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60 |
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61 /*static*/ CTransportChannel* CTransportChannel::NewMuxChannelL(CAvdtpProtocol& aProtocol, |
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62 const TBTDevAddr& aRemoteDevice, |
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63 TTCID aRemotelyAssignedTCID/*=KInvalidTCID*/) |
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64 { |
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65 LOG_STATIC_FUNC |
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66 return CMuxChannel::NewL(aProtocol, aRemoteDevice, aRemotelyAssignedTCID); |
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67 } |
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68 |
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69 TInt CTransportChannel::SetOption(TUint aLevel, TUint aName, const TDesC8 &aOption) |
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70 { |
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71 LOG_FUNC |
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72 return iLogicalChannel->SetOption(aLevel, aName, aOption); |
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73 } |
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74 |
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75 void CTransportChannel::CanClose(TDelete aDelete) |
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76 { |
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77 LOG_FUNC |
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78 switch (aDelete) |
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79 { |
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80 case EDelete: |
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81 delete iLogicalChannel; |
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82 // fallthrough |
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83 default: |
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84 iLogicalChannel = NULL; |
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85 } |
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86 delete this; |
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87 } |
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88 |
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89 void CTransportChannel::LogicalChannelComplete(TLogicalChannelRecord aLogicalChannelRecord, TInt aErr) |
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90 { |
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91 LOG_FUNC |
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92 if (aErr) |
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93 { |
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94 // try to tell any sessions present... |
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95 static_cast<MSocketNotify*>(this)->Disconnect(); |
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96 } |
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97 else |
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98 { |
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99 // take ownership |
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100 iLogicalChannel = aLogicalChannelRecord.iLogicalChannelSAP; |
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101 iLogicalChannel->SetNotify(this); |
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102 // drain any data |
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103 if (aLogicalChannelRecord.iDataCount) |
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104 { |
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105 NewData(aLogicalChannelRecord.iDataCount); |
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106 |
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107 if (aLogicalChannelRecord.iEndOfData) |
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108 { |
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109 NewData(KNewDataEndofData); |
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110 } |
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111 } |
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112 } |
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113 } |
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114 |
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115 void CTransportChannel::AllowServices(TAvdtpAdaptationServices aServices) |
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116 { |
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117 LOG_FUNC |
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118 // retained by base class - the derivee can choose whether to use it |
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119 iAllowedServices = aServices; |
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120 } |
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121 |
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122 |
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123 void CTransportChannel::CloseLogicalChannel() |
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124 { |
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125 LOG_FUNC |
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126 if (iLogicalChannel) |
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127 { |
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128 iLogicalChannel->Shutdown(CServProviderBase::ENormal); |
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129 } |
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130 else CanClose(); |
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131 } |
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132 |
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133 |
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134 TInt CTransportChannel::MaxPacketSize(TInt& aMTU) |
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135 { |
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136 LOG_FUNC |
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137 // default is just whatever l2cap is |
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138 TInt ret = KErrNotReady; |
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139 if (iLogicalChannel) |
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140 { |
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141 TPckg<TInt> mtuPckg(aMTU); |
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142 ret = iLogicalChannel->GetOption(KSolBtL2CAP, KL2CAPOutboundMTUForBestPerformance, mtuPckg); |
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143 } |
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144 else |
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145 { |
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146 aMTU = 0; |
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147 } |
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148 return ret; |
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149 } |
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150 |
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151 TInt CTransportChannel::MaxReceivePacketSize(TInt& aMRU) |
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152 { |
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153 LOG_FUNC |
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154 // default is just whatever l2cap is |
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155 TInt ret = KErrNotReady; |
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156 if (iLogicalChannel) |
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157 { |
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158 TPckg<TInt> mruPckg(aMRU); |
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159 ret = iLogicalChannel->GetOption(KSolBtL2CAP, KL2CAPInboundMTU, mruPckg); |
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160 } |
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161 else |
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162 { |
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163 aMRU = 0; |
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164 } |
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165 return ret; |
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166 } |