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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 // |
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15 |
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16 /** |
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17 @file |
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18 @internalTechnology |
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19 */ |
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20 |
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21 #ifndef AVCTPREMOTEDEVICES_H |
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22 #define AVCTPREMOTEDEVICES_H |
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23 |
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24 #include <es_sock.h> |
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25 #include <avctpservices.h> |
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26 #include "avctpserviceutils.h" |
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27 |
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28 // forward declaration |
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29 class CAvctpBody; |
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30 class CPrimaryChannelController; |
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31 class CSecondaryChannelController; |
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32 |
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33 //TODO (FBO) It will be moved somewhere in common with other code |
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34 /** |
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35 A wrapper class around an RFastLock that enables locks to be nested. |
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36 */ |
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37 NONSHARABLE_CLASS(RNestableLock) |
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38 { |
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39 public: |
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40 RNestableLock(); |
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41 TInt CreateLocal(); |
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42 void Close(); |
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43 |
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44 void Wait(); |
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45 void Signal(); |
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46 |
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47 private: |
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48 static const TUint64 KInvalidThreadId = ~0u; |
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49 RFastLock iLock; |
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50 RFastLock iMetaLock; |
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51 TInt iRefCount; |
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52 TThreadId iThreadId; |
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53 }; |
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54 |
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55 NONSHARABLE_CLASS(TAvctpRemoteDeviceInfo) |
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56 { |
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57 public: |
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58 TAvctpRemoteDeviceInfo(const TBTDevAddr& aAddr); |
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59 TBool HasSecondChannel() const; |
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60 void SetHasSecondChannel(TBool aHasSecondChannel); |
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61 const TBTDevAddr& RemoteAddress() const; |
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62 private: |
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63 TBTDevAddr iAddr; |
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64 TBool iHasSecondChannel; |
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65 }; |
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66 |
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67 /** |
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68 MChannelControlNotify |
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69 **/ |
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70 class MControlChannelNotify |
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71 { |
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72 public: |
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73 // Main channel notifications |
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74 virtual void PrimaryChannelAttachConfirm(const TBTDevAddr& aAddr, TInt aMtu, TInt aError) = 0; |
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75 virtual void PrimaryChannelAttachIndicate(const TBTDevAddr& aAddr, TInt aMtu) = 0; |
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76 virtual void PrimaryChannelDetachConfirm(const TBTDevAddr& aAddr, TInt aError) = 0; |
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77 virtual void PrimaryChannelDetachIndicate(const TBTDevAddr& aAddr) = 0; |
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78 virtual void PrimaryChannelIoctlError(const TBTDevAddr& aAddr, TInt aError) = 0; |
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79 virtual void PrimaryChannelAgreementError(const TBTDevAddr& aAddr, TInt aError) = 0; |
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80 |
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81 // Second channel notifications |
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82 virtual void SecondaryChannelAttachConfirm(const TBTDevAddr& aAddr, TInt aMtu, TInt aError) = 0; |
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83 virtual void SecondaryChannelAttachIndicate(const TBTDevAddr& aAddr, TInt aMtu) = 0; |
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84 virtual void SecondaryChannelDetachConfirm(const TBTDevAddr& aAddr, TInt aError) = 0; |
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85 virtual void SecondaryChannelDetachIndicate(const TBTDevAddr& aAddr) = 0; |
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86 virtual void SecondaryChannelIoctlError(const TBTDevAddr& aAddr, TInt aError) = 0; |
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87 virtual void SecondaryChannelAgreementError(const TBTDevAddr& aAddr, TInt aError) = 0; |
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88 }; |
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89 |
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90 /** |
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91 AVCTP active class to deal with informing the prt of requests relating to |
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92 remote devices |
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93 |
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94 @internalComponent |
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95 */ |
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96 NONSHARABLE_CLASS(CAvctpRemoteDevices) : public CBase, public MControlChannelNotify |
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97 { |
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98 public: |
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99 static CAvctpRemoteDevices* NewL(MAvctpEventNotify& aNotify, RSocketServ& aSocketServ, SymbianAvctp::TPid aPid); |
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100 static CAvctpRemoteDevices* NewLC(MAvctpEventNotify& aNotify, RSocketServ& aSocketServ, SymbianAvctp::TPid aPid); |
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101 ~CAvctpRemoteDevices(); |
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102 |
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103 // Methods to support RAvctp |
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104 TInt PrimaryChannelAttachRequest(const TBTDevAddr& aBTDevice); |
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105 TInt PrimaryChannelDetachRequest(const TBTDevAddr& aBTDevice); |
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106 void PrimaryChannelCancelAttach(const TBTDevAddr& aBTDevice); |
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107 |
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108 TInt SecondaryChannelAttachRequest(const TBTDevAddr& aBTDevice); |
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109 TInt SecondaryChannelDetachRequest(const TBTDevAddr& aBTDevice); |
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110 void SecondaryChannelCancelAttach(const TBTDevAddr& aBTDevice); |
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111 |
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112 void SetSecondaryChannelNotifyL(MAvctpEventNotify* aSecondChannelNotify); |
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113 // Methods to support CAvctpBody |
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114 TBool IsAttached(const TBTDevAddr& aBTDevice) const; |
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115 |
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116 // from MControlChannelNotify |
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117 void PrimaryChannelAttachConfirm(const TBTDevAddr& aAddr, TInt aMtu, TInt aError); |
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118 void PrimaryChannelAttachIndicate(const TBTDevAddr& aAddr, TInt aMtu); |
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119 void PrimaryChannelDetachConfirm(const TBTDevAddr& aAddr, TInt aError); |
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120 void PrimaryChannelDetachIndicate(const TBTDevAddr& aAddr); |
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121 void PrimaryChannelIoctlError(const TBTDevAddr& aAddr, TInt aError); |
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122 void PrimaryChannelAgreementError(const TBTDevAddr& aAddr, TInt aError); |
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123 |
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124 void SecondaryChannelAttachConfirm(const TBTDevAddr& aAddr, TInt aMtu, TInt aError); |
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125 void SecondaryChannelAttachIndicate(const TBTDevAddr& aAddr, TInt aMtu); |
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126 void SecondaryChannelDetachConfirm(const TBTDevAddr& aAddr, TInt aError); |
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127 void SecondaryChannelDetachIndicate(const TBTDevAddr& aAddr); |
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128 void SecondaryChannelIoctlError(const TBTDevAddr& aAddr, TInt aError); |
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129 void SecondaryChannelAgreementError(const TBTDevAddr& aAddr, TInt aError); |
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130 |
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131 private: |
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132 CAvctpRemoteDevices(MAvctpEventNotify& aNotify, RSocketServ& aSocketServ); |
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133 void ConstructL(SymbianAvctp::TPid aPid); |
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134 |
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135 void RemoveRemoteDevice(const TBTDevAddr& aBTDevice); |
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136 const TAvctpRemoteDeviceInfo* RemoteDeviceInfo(const TBTDevAddr& aBTDevice) const; |
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137 TInt PropagateAttachRsp(const TBTDevAddr& aBTDevice, |
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138 TBool aClientsAccepts, |
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139 TInt aChannel); |
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140 |
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141 void NotifyError(const TBTDevAddr& aBTDevice, TInt aError, TInt aChannel); |
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142 |
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143 private: |
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144 MAvctpEventNotify& iNotify; |
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145 RSocketServ& iSocketServ; |
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146 |
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147 // This is an array of remote addresses that are either connected or connecting |
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148 RArray<TAvctpRemoteDeviceInfo> iRemoteAddrs; |
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149 |
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150 enum TState {EListening, ECreatingControlLink, ECreatingSecondLink}; |
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151 TState iState; |
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152 |
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153 MAvctpEventNotify* iSecondaryChannelNotify; // non-owned |
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154 CPrimaryChannelController* iPrimaryChannelController; |
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155 CSecondaryChannelController* iSecondaryChannelController; |
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156 mutable RNestableLock iLock; // to use in the const functions |
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157 SymbianAvctp::TPid iPid; |
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158 }; |
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159 |
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160 #endif // AVCTPREMOTEDEVICES_H |
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161 |