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1 /* |
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2 * Copyright (c) 2002-2005 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: In this state, BTSAC is listening for remote connection |
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15 * from a stereo audio accessory |
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16 * |
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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 |
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22 // INCLUDE FILES |
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23 #include "btsacStateListening.h" |
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24 #include "btsacStateConnected.h" |
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25 #include "btsacStateConnecting.h" |
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26 #include "btsacStateConfiguring.h" |
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27 #include "btsacactive.h" |
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28 #include "btsacGavdp.h" |
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29 #include "debug.h" |
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30 |
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31 // ================= MEMBER FUNCTIONS ======================= |
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32 |
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33 // ----------------------------------------------------------------------------- |
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34 // CBtsacListening::NewL |
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35 // ----------------------------------------------------------------------------- |
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36 // |
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37 CBtsacListening* CBtsacListening::NewL(CBTSAController& aParent, |
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38 TBTSACGavdpResetReason aGavdpResetReason, TInt aDisconnectReason) |
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39 { |
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40 CBtsacListening* self = new( ELeave ) CBtsacListening(aParent, aGavdpResetReason, aDisconnectReason); |
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41 CleanupStack::PushL(self); |
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42 self->ConstructL(); |
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43 CleanupStack::Pop(self); |
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44 return self; |
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45 } |
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46 |
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47 // ----------------------------------------------------------------------------- |
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48 // CBtsacListening::CBtsacListening |
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49 // ----------------------------------------------------------------------------- |
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50 // |
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51 CBtsacListening::CBtsacListening(CBTSAController& aParent, |
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52 TBTSACGavdpResetReason aGavdpResetReason, TInt aDisconnectReason) |
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53 : CBtsacState(aParent, EStateListening), iGavdpResetReason(aGavdpResetReason), |
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54 iDisconnectReason(aDisconnectReason), iPendingRequests(KRequestNone), |
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55 iInitializationProcedure(EInitProcedureOngoing), iUnfinishedGavdpError(EFalse) |
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56 { |
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57 } |
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58 |
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59 // ----------------------------------------------------------------------------- |
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60 // CBtsacListening::ConstructL |
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61 // ----------------------------------------------------------------------------- |
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62 // |
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63 void CBtsacListening::ConstructL() |
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64 { |
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65 iSelfCompleteActive = CBtsacActive::NewL(*this, CActive::EPriorityStandard, KRequestIdSelfComplete); |
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66 } |
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67 |
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68 // ----------------------------------------------------------------------------- |
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69 // CBtsacListening::~CBtsacListening |
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70 // ----------------------------------------------------------------------------- |
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71 // |
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72 CBtsacListening::~CBtsacListening() |
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73 { |
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74 TRACE_FUNC |
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75 delete iSelfCompleteActive; |
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76 iSelfCompleteActive = NULL; |
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77 } |
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78 |
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79 // ----------------------------------------------------------------------------- |
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80 // CBtsacListening::EnterL |
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81 // ----------------------------------------------------------------------------- |
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82 // |
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83 void CBtsacListening::EnterL() |
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84 { |
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85 TRACE_STATE(_L("[BTSAC State] Listening")) |
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86 _LIT(KName, "CBtsacStateListening"); |
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87 const TDesC& Name = KName; |
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88 Parent().iGavdp->RegisterObserver(this, Name); |
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89 |
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90 Parent().ResetRemoteCache(); |
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91 Parent().CleanSockets(); |
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92 |
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93 // RGavdp.Close (which is called from ResetGavdp method) should not be called from |
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94 // within a client's implementation of any MGavdpUser (upcall) method. Do self |
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95 // complete first then call ResetGavdp. |
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96 |
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97 // Need for self completion is gavdp user up calls but we will do self complete every time |
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98 // when we enter into listening state. |
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99 DoSelfComplete(KErrNone); |
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100 } |
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101 |
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102 // ----------------------------------------------------------------------------- |
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103 // CBtsacListening::ConnectL |
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104 // ----------------------------------------------------------------------------- |
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105 // |
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106 void CBtsacListening::ConnectL(const TBTDevAddr& aAddr) |
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107 { |
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108 TRACE_FUNC |
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109 iPendingRequests = KConnectReq; |
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110 if(iInitializationProcedure == EInitProcedureDone) |
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111 { |
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112 // we have a connection already with this accessory |
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113 if ( Parent().GetRemoteAddr() == aAddr ) |
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114 { |
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115 Parent().ChangeStateL(CBtsacConnected::NewL(Parent(), EOutgoingConnNoDiscovery)); |
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116 } |
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117 else |
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118 { |
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119 Parent().SetRemoteAddr(aAddr); // first update address cause InitializeSEPManager uses it |
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120 Parent().InitializeSEPManager(); // initializes iRemoteSEPs |
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121 Parent().ChangeStateL(CBtsacConnecting::NewL(Parent(), EOutgoingConn)); |
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122 } |
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123 } |
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124 else |
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125 { |
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126 // Save the address, reset procedure is not completed yet. |
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127 Parent().SetRemoteAddr(aAddr); |
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128 } |
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129 } |
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130 |
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131 // ----------------------------------------------------------------------------- |
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132 // CBtsacListening::OpenAudioLinkL |
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133 // ----------------------------------------------------------------------------- |
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134 // |
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135 void CBtsacListening::OpenAudioLinkL(const TBTDevAddr& aAddr) |
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136 { |
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137 TRACE_FUNC |
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138 iPendingRequests = KOpenAudioReq; |
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139 if(iInitializationProcedure == EInitProcedureDone) |
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140 { |
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141 // we have a connection already with this accessory |
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142 if ( Parent().GetRemoteAddr() == aAddr ) |
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143 { |
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144 Parent().ChangeStateL(CBtsacConnected::NewL(Parent(), EOutgoingConnWithAudioNoDiscovery)); |
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145 } |
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146 else |
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147 { |
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148 Parent().SetRemoteAddr(aAddr); // first update address cause InitializeSEPManager uses it |
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149 Parent().InitializeSEPManager(); // initializes iRemoteSEPs |
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150 Parent().ChangeStateL(CBtsacConnecting::NewL(Parent(), EOutgoingConnWithAudio)); |
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151 } |
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152 } |
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153 else |
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154 { |
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155 // Save the address, reset procedure is not completed yet. |
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156 Parent().SetRemoteAddr(aAddr); |
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157 } |
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158 } |
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159 |
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160 // ----------------------------------------------------------------------------- |
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161 // CBtsacListening::CancelOpenAudioLinkL |
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162 // ----------------------------------------------------------------------------- |
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163 // |
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164 void CBtsacListening::CancelOpenAudioLinkL() |
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165 { |
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166 TRACE_FUNC |
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167 // We can have only one request active at the time, so we can reset pending requests |
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168 iPendingRequests = KRequestNone; |
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169 GoListen(); |
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170 Parent().CompletePendingRequests(KOpenAudioReq, KErrCancel); |
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171 } |
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172 |
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173 // ----------------------------------------------------------------------------- |
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174 // CBtsacListening::DeleyedOpenAudioAndConnectL |
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175 // ----------------------------------------------------------------------------- |
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176 // |
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177 void CBtsacListening::DeleyedOpenAudioAndConnectL() |
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178 { |
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179 TRACE_FUNC |
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180 if(iPendingRequests & (KConnectReq | KOpenAudioReq)) |
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181 { |
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182 Parent().InitializeSEPManager(); |
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183 if(iPendingRequests & KOpenAudioReq) |
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184 { |
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185 Parent().ChangeStateL(CBtsacConnecting::NewL(Parent(), EOutgoingConnWithAudio)); |
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186 } |
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187 else |
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188 { |
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189 Parent().ChangeStateL(CBtsacConnecting::NewL(Parent(), EOutgoingConn)); |
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190 } |
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191 } |
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192 } |
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193 |
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194 // ----------------------------------------------------------------------------- |
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195 // CBtsacListening::GAVDP_ConfigurationConfirm |
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196 // ----------------------------------------------------------------------------- |
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197 // |
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198 void CBtsacListening::GAVDP_ConfigurationConfirm() |
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199 { |
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200 TRACE_INFO((_L("CBtsacListening::GAVDP_ConfigurationConfirm() Local SEPs registered successfully."))) |
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201 // Local SEPs got registered, so start listening |
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202 TInt err = Parent().iGavdp->Listen(); |
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203 if (err) |
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204 { |
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205 TRACE_INFO((_L("CBtsacListening::GAVDP_ConfigurationConfirm() Listen returned error:%d."), err)) |
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206 ResetGavdp(EGavdpResetReasonGeneral); |
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207 return; |
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208 } |
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209 if(iInitializationProcedure == EInitProcedureWaitingConfConfirmed) |
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210 { |
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211 iInitializationProcedure = EInitProcedureDone; |
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212 TRAP_IGNORE(DeleyedOpenAudioAndConnectL()); |
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213 } |
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214 } |
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215 |
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216 // ----------------------------------------------------------------------------- |
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217 // CBtsacListening::GAVDP_ConnectConfirm |
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218 // ----------------------------------------------------------------------------- |
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219 // |
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220 void CBtsacListening::GAVDP_ConnectConfirm(const TBTDevAddr& aAddr) |
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221 { |
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222 TRACE_INFO((_L("CBtsacListening::GAVDP_ConnectConfirm() Accessory made connection."))) |
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223 Parent().SetRemoteAddr(aAddr); // first update address cause InitializeSEPManager uses it |
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224 Parent().InitializeSEPManager(); // initializes iRemoteSEPs |
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225 TRAPD(err, Parent().ChangeStateL(CBtsacConnected::NewL(Parent(), EIncomingConn))); |
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226 if(err) |
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227 { |
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228 TRACE_INFO((_L("CBtsacListening::GAVDP_ConnectConfirm(), NewL failed."))) |
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229 } |
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230 } |
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231 |
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232 // ----------------------------------------------------------------------------- |
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233 // CBtsacListening::GAVDP_AbortStreamConfirm |
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234 // ----------------------------------------------------------------------------- |
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235 // |
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236 void CBtsacListening::GAVDP_AbortStreamConfirm() |
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237 { |
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238 TRACE_FUNC |
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239 GoListen(); |
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240 } |
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241 |
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242 // ----------------------------------------------------------------------------- |
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243 // CBtsacListening::GAVDP_ConfigurationStartIndication |
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244 // ----------------------------------------------------------------------------- |
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245 // |
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246 void CBtsacListening::GAVDP_ConfigurationStartIndication(TSEID aLocalSEID, TSEID aRemoteSEID) |
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247 { |
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248 TRACE_FUNC |
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249 Parent().InitializeSEPManager(); |
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250 TRAP_IGNORE(Parent().ChangeStateL(CBtsacConfiguring::NewL(Parent(), aLocalSEID, aRemoteSEID))); |
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251 } |
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252 |
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253 // ----------------------------------------------------------------------------- |
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254 // CBtsacListening::RequestCompletedL |
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255 // ----------------------------------------------------------------------------- |
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256 // |
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257 void CBtsacListening::RequestCompletedL(CBtsacActive& aActive) |
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258 { |
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259 TRACE_FUNC |
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260 switch(aActive.RequestId()) |
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261 { |
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262 case KRequestIdSelfComplete: |
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263 { |
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264 TBTDevAddr remoteAddr = Parent().GetRemoteAddr(); |
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265 if(iUnfinishedGavdpError) |
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266 { |
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267 // We have unfinished gavdp error, force gavdp reset |
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268 iGavdpResetReason = EGavdpResetReasonGeneral; |
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269 } |
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270 if(iGavdpResetReason != EGavdpResetReasonNone) |
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271 { |
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272 ResetGavdp(iGavdpResetReason); |
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273 } |
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274 else |
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275 { |
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276 GoListen(); |
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277 } |
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278 if(iDisconnectReason == KErrDisconnected || iDisconnectReason == KErrHCILinkDisconnection) |
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279 { |
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280 if(remoteAddr != TBTDevAddr()) |
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281 { |
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282 Parent().DisconnectedFromRemote(remoteAddr, iDisconnectReason); |
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283 } |
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284 Parent().SetResetAudioInput(ETrue); |
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285 } |
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286 if(Parent().GetResetAudioInput()) |
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287 { |
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288 Parent().SetResetAudioInput(EFalse); |
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289 Parent().iStreamer->ResetAudioInput(); |
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290 } |
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291 if(iInitializationProcedure != EInitProcedureWaitingConfConfirmed) |
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292 { |
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293 iInitializationProcedure = EInitProcedureDone; |
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294 DeleyedOpenAudioAndConnectL(); |
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295 } |
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296 break; |
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297 } |
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298 default: |
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299 { |
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300 TRACE_INFO((_L("CBtsacListening::RequestCompletedL() Unknown request"))) |
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301 break; |
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302 } |
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303 } |
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304 } |
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305 |
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306 // ----------------------------------------------------------------------------- |
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307 // CBtsacListening::GoListen |
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308 // ----------------------------------------------------------------------------- |
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309 // |
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310 void CBtsacListening::GoListen() |
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311 { |
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312 TRACE_INFO((_L("CBtsacListening::GoListen(), Disconnect signalling channel"))) |
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313 if(iPendingRequests == KRequestNone) |
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314 { |
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315 Parent().SetRemoteAddr(TBTDevAddr()); |
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316 } |
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317 TInt err = Parent().iGavdp->Shutdown(); |
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318 if(!err) |
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319 { |
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320 TRACE_INFO((_L("CBtsacListening::GoListen(), Signalling disconnected, Re-listen..."))) |
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321 // Starts to listen for inbound signalling channel connections. |
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322 err = Parent().iGavdp->Listen(); |
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323 } |
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324 if(err) |
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325 { |
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326 // Shutdown failed, reset gavdp |
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327 TRACE_INFO((_L("CBtsacListening::GoListen(), error = %d."), err)) |
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328 ResetGavdp(EGavdpResetReasonGeneral); |
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329 } |
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330 } |
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331 |
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332 // ----------------------------------------------------------------------------- |
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333 // CBtsacListening::ResetGavdp |
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334 // ----------------------------------------------------------------------------- |
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335 // |
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336 TInt CBtsacListening::ResetGavdp(TBTSACGavdpResetReason aReason) |
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337 { |
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338 TRACE_FUNC |
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339 Parent().iGavdp->Close(); |
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340 if( Parent().iGavdp->Open() == KErrNone ) |
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341 { |
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342 iInitializationProcedure = EInitProcedureWaitingConfConfirmed; |
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343 if(aReason != EGavdpResetReasonCancelOpenAudio) |
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344 { |
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345 if(iPendingRequests == KRequestNone) |
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346 { |
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347 TRACE_INFO((_L("CBtsacListening::ResetGavdp() Remote Addr reseted."))) |
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348 Parent().SetRemoteAddr(TBTDevAddr()); |
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349 } |
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350 } |
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351 return Parent().iGavdp->RegisterSEPs(*Parent().iLocalSEPs, Parent().iStreamer->GetCaps()); |
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352 } |
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353 else |
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354 { |
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355 TRACE_INFO((_L("CBtsacListening::ResetGavdp() Couldn't open gavdp."))) |
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356 return KErrGeneral; |
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357 } |
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358 } |
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359 |
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360 // ----------------------------------------------------------------------------- |
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361 // CBtsacListening::CancelRequest |
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362 // ----------------------------------------------------------------------------- |
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363 // |
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364 void CBtsacListening::CancelRequest(CBtsacActive& /*aActive*/) |
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365 { |
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366 TRACE_FUNC |
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367 } |
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368 |
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369 // ----------------------------------------------------------------------------- |
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370 // CBtsacListening::DoSelfComplete |
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371 // ----------------------------------------------------------------------------- |
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372 // |
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373 void CBtsacListening::DoSelfComplete(TInt aError) |
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374 { |
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375 TRACE_FUNC |
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376 if(iSelfCompleteActive) |
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377 { |
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378 if (!iSelfCompleteActive->IsActive()) |
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379 { |
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380 TRequestStatus* sta = &(iSelfCompleteActive->iStatus); |
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381 iSelfCompleteActive->iStatus = KRequestPending; |
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382 User::RequestComplete(sta, aError); |
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383 iSelfCompleteActive->GoActive(); |
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384 } |
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385 } |
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386 else |
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387 { |
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388 TRACE_INFO((_L("CBtsacListening::DoSelfComplete() AO doesn't exist."))) |
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389 } |
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390 } |
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391 |
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392 // ----------------------------------------------------------------------------- |
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393 // CBtsacListening::HandleGavdpErrorL |
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394 // ----------------------------------------------------------------------------- |
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395 // |
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396 void CBtsacListening::HandleGavdpErrorL(TInt aError) |
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397 { |
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398 TRACE_FUNC |
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399 if(iInitializationProcedure != EInitProcedureDone) |
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400 { |
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401 TRACE_INFO((_L("CBtsacListening::HandleGavdpErrorL() error ignored, initialization procedure ongoing."))) |
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402 iUnfinishedGavdpError = ETrue; |
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403 return; |
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404 } |
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405 switch(aError) |
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406 { |
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407 case KErrHCILinkDisconnection: // -6305 |
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408 case KErrDisconnected: // -36 |
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409 { |
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410 // If address is zero, initialization procedure is already executed, so there is no need |
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411 // to tell gavdp to go listen and no need to inform btaudioman about the disconnection |
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412 if(Parent().GetRemoteAddr() != TBTDevAddr()) |
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413 { |
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414 GoListen(); |
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415 // for both outgoing or incoming connection, if we have an error, |
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416 // this means there is disconnection |
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417 Parent().DisconnectedFromRemote(Parent().GetRemoteAddr(), aError); |
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418 Parent().SetRemoteAddr(TBTDevAddr()); |
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419 Parent().iStreamer->ResetAudioInput(); |
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420 } |
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421 break; |
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422 } |
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423 |
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424 case KErrCouldNotConnect: // -34 |
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425 { |
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426 GoListen(); |
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427 break; |
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428 } |
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429 |
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430 default: |
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431 // KErrAbort -39 |
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432 // KErrDied -13 |
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433 // KErrInUse -14 |
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434 { |
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435 ResetGavdp(EGavdpResetReasonGeneral); |
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436 break; |
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437 } |
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438 } |
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439 Parent().CompletePendingRequests(KCompleteAllReqs, aError); |
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440 } |
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441 |
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442 // End of File |