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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 // Generic functions associated with all Bluetooth socket addresses |
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15 // |
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16 // |
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17 |
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18 #include <bt_sock.h> |
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19 #include "btsocketpanic.h" |
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20 #include "btphysicallinkshelpers.h" |
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21 |
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22 //---- |
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23 EXPORT_C CBluetoothPhysicalLinks* CBluetoothPhysicalLinks::NewL(MBluetoothPhysicalLinksNotifier& aNotifier, |
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24 RSocketServ& aServer) |
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25 /** Constructor |
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26 |
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27 Opens a Bluetooth socket. |
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28 @pre A session on the socket server has been started. |
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29 @leave No memory, or error on opening socket |
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30 @param aNotifier The object which will receive asynchronous events. |
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31 @param aServer The socket server. |
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32 @return An object of type CBluetoothPhysicalLinks |
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33 */ |
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34 { |
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35 CBluetoothPhysicalLinks* self = NewLC(aNotifier, aServer); |
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36 CleanupStack::Pop(); |
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37 return self; |
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38 } |
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39 |
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40 EXPORT_C CBluetoothPhysicalLinks* CBluetoothPhysicalLinks::NewLC(MBluetoothPhysicalLinksNotifier& aNotifier, |
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41 RSocketServ& aServer) |
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42 /** Constructor |
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43 |
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44 Opens a Bluetooth socket. |
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45 @pre A session on the socket server has been started. |
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46 @leave No memory, or error on opening socket |
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47 @param aNotifier The object which will receive asynchronous events. |
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48 @param aServer The socket server. |
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49 @return An object of type CBluetoothPhysicalLinks |
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50 */ |
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51 { |
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52 CBluetoothPhysicalLinks* self=new (ELeave) CBluetoothPhysicalLinks(aNotifier, aServer); |
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53 CleanupStack::PushL(self); |
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54 self->ConstructL(); |
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55 return self; |
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56 } |
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57 |
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58 EXPORT_C CBluetoothPhysicalLinks::~CBluetoothPhysicalLinks() |
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59 /** |
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60 Destructor |
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61 */ |
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62 { |
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63 delete iBTBasebandConnecter; |
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64 delete iBTDisconnector; |
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65 BTBaseband().Close(); |
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66 } |
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67 |
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68 CBluetoothPhysicalLinks::CBluetoothPhysicalLinks(MBluetoothPhysicalLinksNotifier& aNotifier, |
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69 RSocketServ& aServer) |
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70 : iNotifier(aNotifier), iSockServer(aServer) |
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71 { |
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72 } |
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73 |
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74 void CBluetoothPhysicalLinks::ConstructL() |
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75 { |
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76 User::LeaveIfError(BTBaseband().Open(SockServer())); |
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77 } |
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78 |
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79 EXPORT_C TInt CBluetoothPhysicalLinks::CreateConnection(const TBTDevAddr& aBDAddr) |
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80 /** |
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81 Bring in a new member to the piconet |
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82 |
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83 This can be useful for preparing for a logical link (service socket). |
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84 Firstly if the local device has not bonded with the specified remote device, |
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85 then this function can be used to allow the bonding procedure can take place in advance. |
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86 Secondly if a CBluetoothSocket call is made to create a logical link within an internally |
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87 specified time of this CreateConnection function being called, then that link will come |
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88 up much faster since the physical link will already be in place. |
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89 Unless this connection is taken up by a logical link (or a synchronous link) within that |
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90 internally specified time then it will be closed. |
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91 |
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92 This function can also be used to create a physical link ready for the setting up |
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93 of a synchronous link (e.g. voice link). |
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94 |
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95 @param aBDAddr Bluetooth address specifying remote device (new member of piconet) |
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96 @return Error code |
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97 */ |
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98 { |
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99 if(iBTBasebandConnecter) |
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100 { |
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101 return KErrInUse; |
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102 } |
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103 |
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104 //Close and re-open socket subsession |
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105 //Allow ESock to do multiple connects |
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106 BTBaseband().Close(); |
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107 TInt err = BTBaseband().Open(SockServer()); |
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108 if(err != KErrNone) |
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109 { |
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110 return err; |
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111 } |
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112 |
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113 //Create Connecting AO |
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114 TRAP(err, iBTBasebandConnecter = CBTBasebandConnecter::NewL(*this)); |
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115 if(err != KErrNone) |
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116 { |
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117 //BTBaseband().Close();//no leave it open! |
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118 return err; |
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119 } |
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120 |
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121 //Try to make BT connection |
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122 iBTBasebandConnecter->BasebandConnect(aBDAddr); |
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123 return err; |
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124 } |
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125 |
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126 EXPORT_C void CBluetoothPhysicalLinks::CancelCreateConnection() |
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127 /** Cancel bringing in a new member to the piconet |
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128 */ |
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129 { |
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130 if(iBTBasebandConnecter) |
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131 { |
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132 delete iBTBasebandConnecter; |
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133 iBTBasebandConnecter = 0; |
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134 } |
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135 } |
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136 |
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137 EXPORT_C TInt CBluetoothPhysicalLinks::Disconnect(const TBTDevAddr& aBDAddr) |
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138 /** Disconnect a single member of piconet |
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139 |
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140 @param aBDAddr Bluetooth address specifying remote device (member of piconet) |
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141 @return Error code |
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142 @capability NetworkControl |
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143 */ |
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144 { |
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145 if(iBTDisconnector) |
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146 { |
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147 return KErrInUse; |
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148 } |
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149 |
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150 //Allow ESock to do multiple disconnects |
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151 BTBaseband().Close(); |
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152 TInt ESockErr = BTBaseband().Open(SockServer()); |
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153 if(ESockErr != KErrNone) |
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154 { |
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155 return ESockErr; |
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156 } |
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157 |
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158 TRAPD(err, iBTDisconnector = CBTDisconnector::NewL(*this)); |
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159 if(err == KErrNone) |
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160 { |
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161 iBTDisconnector->Disconnect(aBDAddr); |
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162 } |
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163 return err; |
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164 } |
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165 |
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166 EXPORT_C TInt CBluetoothPhysicalLinks::DisconnectAll() |
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167 /** Disconnect all members of piconet |
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168 @return Error code |
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169 @capability NetworkControl |
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170 */ |
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171 { |
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172 if(iBTDisconnector) |
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173 { |
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174 return KErrInUse; |
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175 } |
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176 |
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177 //Allow ESock to do multiple disconnects |
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178 BTBaseband().Close(); |
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179 TInt ESockErr = BTBaseband().Open(SockServer()); |
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180 if(ESockErr != KErrNone) |
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181 { |
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182 return ESockErr; |
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183 } |
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184 |
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185 TRAPD(err, iBTDisconnector = CBTDisconnector::NewL(*this)); |
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186 if(err == KErrNone) |
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187 { |
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188 iBTDisconnector->DisconnectAll(); |
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189 } |
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190 return err; |
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191 } |
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192 |
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193 EXPORT_C TInt CBluetoothPhysicalLinks::Broadcast(const TDesC8& aData) |
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194 /** Write (raw) broadcast data |
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195 |
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196 Raw broadcast data is data that is not directed to any specified service. |
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197 @param aData Contains data to be broadcast. |
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198 @test |
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199 @return Error code |
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200 @capability NetworkControl |
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201 */ |
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202 { |
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203 return BTBaseband().Broadcast(aData); |
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204 } |
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205 |
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206 EXPORT_C TInt CBluetoothPhysicalLinks::ReadRaw(TDes8& aData) |
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207 /** Receive (raw) broadcast data |
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208 |
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209 Raw broadcast data is data that is not directed to any specified service. |
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210 @param aData Contains data received. |
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211 @test |
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212 @return Error code |
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213 @capability NetworkControl |
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214 */ |
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215 { |
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216 return BTBaseband().ReadRaw(aData); |
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217 } |
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218 |
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219 EXPORT_C TInt CBluetoothPhysicalLinks::Enumerate(RBTDevAddrArray& aBTDevAddrArray, TUint aMaxNumber) |
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220 /** Enumerate connected members of the piconet |
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221 @param aBTDevAddrArray Bluetooth device address array to be filled with bluetooth addresses of connected members of |
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222 the piconet. |
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223 @param aMaxNumber Upper limit on number of members to be returned. |
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224 @return Error code |
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225 */ |
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226 { |
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227 return BTBaseband().Enumerate(aBTDevAddrArray, aMaxNumber); |
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228 } |
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229 |
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230 |
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231 |
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232 void CBluetoothPhysicalLinks::HandleCreateConnectionCompleteL(TInt aErr) |
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233 { |
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234 delete iBTBasebandConnecter; |
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235 iBTBasebandConnecter = 0; |
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236 iNotifier.HandleCreateConnectionCompleteL(aErr); |
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237 } |
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238 |
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239 void CBluetoothPhysicalLinks::HandleDisconnectCompleteL(TInt aErr) |
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240 { |
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241 delete iBTDisconnector; |
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242 iBTDisconnector = 0; |
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243 iNotifier.HandleDisconnectCompleteL(aErr); |
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244 } |
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245 |
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246 void CBluetoothPhysicalLinks::HandleDisconnectAllCompleteL(TInt aErr) |
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247 { |
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248 delete iBTDisconnector; |
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249 iBTDisconnector = 0; |
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250 Notifier().HandleDisconnectAllCompleteL(aErr); |
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251 } |
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252 |
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253 RSocketServ& CBluetoothPhysicalLinks::SockServer() |
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254 { |
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255 return iSockServer; |
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256 } |
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257 |
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258 RBTBaseband& CBluetoothPhysicalLinks::BTBaseband() |
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259 { |
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260 return iBTBaseband; |
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261 } |
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262 |
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263 MBluetoothPhysicalLinksNotifier& CBluetoothPhysicalLinks::Notifier() |
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264 { |
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265 return iNotifier; |
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266 } |
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267 |
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268 |
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269 |
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270 |
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271 |
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272 |
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273 |
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274 |
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275 |
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276 |
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277 |
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278 |
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279 |
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280 |
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281 //========================================================== |
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282 //Active Object Helpers |
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283 // |
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284 |
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285 // |
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286 //for CBluetoothPhysicalLinks |
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287 // |
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288 |
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289 //-- |
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290 CBTBasebandConnecter* CBTBasebandConnecter::NewL(CBluetoothPhysicalLinks& aParent) |
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291 { |
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292 CBTBasebandConnecter* self = new (ELeave) CBTBasebandConnecter(aParent); |
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293 CleanupStack::PushL(self); |
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294 self->ConstructL(); |
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295 CleanupStack::Pop();//self |
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296 return self; |
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297 } |
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298 |
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299 CBTBasebandConnecter::CBTBasebandConnecter(CBluetoothPhysicalLinks& aParent) |
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300 : CActive(CActive::EPriorityStandard),iParent(aParent) |
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301 // |
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302 //Constructorthe RBluetoothSocket parent is provided. |
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303 //It contains all the ESocky stuff and has suitable "Getters". |
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304 // |
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305 { |
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306 } |
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307 |
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308 void CBTBasebandConnecter::ConstructL() |
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309 { |
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310 CActiveScheduler::Add(this); |
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311 } |
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312 |
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313 CBTBasebandConnecter::~CBTBasebandConnecter() |
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314 // |
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315 //Destructor |
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316 // |
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317 { |
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318 if(IsActive()) |
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319 { |
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320 Cancel(); |
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321 } |
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322 } |
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323 |
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324 |
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325 void CBTBasebandConnecter::BasebandConnect(const TBTDevAddr& aBDAddr) |
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326 // |
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327 //Attempts to connect to the remote device. |
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328 // |
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329 { |
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330 __ASSERT_ALWAYS(!IsActive(), Panic(EUnfinishedBusiness)); |
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331 |
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332 iParent.BTBaseband().Connect(aBDAddr, iStatus); |
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333 SetActive(); |
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334 } |
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335 |
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336 void CBTBasebandConnecter::RunL() |
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337 // |
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338 //When logical socket has connected (only async bit), |
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339 //opens baseband socket. |
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340 // |
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341 { |
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342 //must come LAST .. deletes this active object |
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343 iParent.HandleCreateConnectionCompleteL(iStatus.Int()); |
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344 } |
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345 |
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346 // |
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347 // Swallow any error from RunL |
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348 // |
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349 TInt CBTBasebandConnecter::RunError(TInt /*aError*/) |
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350 { |
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351 return KErrNone; |
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352 } |
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353 |
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354 void CBTBasebandConnecter::DoCancel() |
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355 // |
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356 //Cancels current asynchronous requests. |
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357 // |
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358 { |
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359 iParent.BTBaseband().TerminatePhysicalLink(0); //zam todo - check |
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360 } |
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361 |
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362 |
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363 |
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364 |
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365 //---- |
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366 |
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367 CBTDisconnector* CBTDisconnector::NewL(CBluetoothPhysicalLinks& aParent) |
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368 // |
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369 //NewL: the CBluetoothPhysicalLinkssManager parent is provided. |
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370 //It contains all the ESocky stuff and has suitable "Getters". |
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371 // |
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372 { |
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373 CBTDisconnector* self = new (ELeave) CBTDisconnector(aParent); |
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374 CleanupStack::PushL(self); |
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375 self->ConstructL(); |
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376 CleanupStack::Pop();//self |
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377 return self; |
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378 } |
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379 |
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380 |
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381 CBTDisconnector::CBTDisconnector(CBluetoothPhysicalLinks& aParent) |
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382 : CActive(CActive::EPriorityStandard), |
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383 iParent(aParent) |
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384 // |
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385 //Constructor |
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386 // |
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387 { |
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388 } |
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389 |
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390 void CBTDisconnector::ConstructL() |
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391 { |
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392 CActiveScheduler::Add(this); |
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393 } |
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394 |
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395 CBTDisconnector::~CBTDisconnector() |
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396 // |
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397 //Destructor |
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398 // |
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399 { |
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400 if(IsActive()) |
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401 { |
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402 Cancel(); |
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403 } |
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404 } |
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405 |
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406 void CBTDisconnector::Disconnect(const TBTDevAddr& aBDAddr) |
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407 { |
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408 __ASSERT_ALWAYS(!IsActive(), Panic(EUnfinishedBusiness)); |
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409 |
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410 iParent.BTBaseband().TerminatePhysicalLink(0, aBDAddr, iStatus); |
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411 iCurrentRequest = EDisconnect; |
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412 SetActive(); |
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413 } |
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414 |
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415 void CBTDisconnector::DisconnectAll() |
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416 |
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417 { |
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418 __ASSERT_ALWAYS(!IsActive(), Panic(EUnfinishedBusiness)); |
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419 |
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420 iParent.BTBaseband().TerminateAllPhysicalLinks(0, iStatus); |
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421 iCurrentRequest = EDisconnectAll; |
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422 SetActive(); |
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423 } |
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424 |
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425 void CBTDisconnector::RunL() |
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426 // |
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427 //When logical socket has connected (only async bit), |
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428 //opens baseband socket. |
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429 // |
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430 { |
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431 //must come LAST .. deletes this active object |
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432 switch (iCurrentRequest) |
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433 { |
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434 //zam todo do these cover all Read/Recv methods? |
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435 case EDisconnect: |
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436 //must come LAST .. deletes this active object |
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437 iParent.HandleDisconnectCompleteL(iStatus.Int()); |
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438 break; |
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439 case EDisconnectAll: |
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440 //must come LAST .. deletes this active object |
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441 iParent.HandleDisconnectAllCompleteL(iStatus.Int()); |
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442 break; |
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443 default: |
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444 Panic(EBadRequest); |
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445 iCurrentRequest = ENone; |
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446 break; |
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447 }; |
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448 } |
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449 |
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450 // |
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451 // Swallow any error from RunL |
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452 // |
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453 TInt CBTDisconnector::RunError(TInt /*aError*/) |
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454 { |
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455 return KErrNone; |
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456 } |
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457 |
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458 void CBTDisconnector::DoCancel() |
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459 // |
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460 //Cancels current asynchronous requests. |
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461 // |
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462 { |
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463 //zam todo - more here...can we cancel a shutdown? |
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464 iCurrentRequest = ENone; |
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465 } |
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466 |
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467 // |
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468 // Function Definitions for the M- Classes associated with CBluetoothPhysicalLinks |
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469 // |
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470 |
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471 /** |
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472 This virtual function allows the M- class to be extended in future in a binary |
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473 compatible way by providing a method that clients can override in future to |
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474 allow extra callbacks to be made via aObject. |
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475 */ |
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476 EXPORT_C void MBluetoothSynchronousLinkNotifier::MBSLN_ExtensionInterfaceL(TUid /*aInterface*/, void*& aObject) |
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477 { |
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478 aObject = NULL; |
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479 } |
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480 |
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481 /** |
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482 This virtual function allows the M- class to be extended in future in a binary |
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483 compatible way by providing a method that clients can override in future to |
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484 allow extra callbacks to be made via aObject. |
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485 */ |
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486 EXPORT_C void MBluetoothPhysicalLinksNotifier::MBPLN_ExtensionInterfaceL(TUid /*aInterface*/, void*& aObject) |
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487 { |
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488 aObject = NULL; |
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489 } |
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490 |
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491 |
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492 /** |
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493 This virtual function allows the M- class to be extended in future in a binary |
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494 compatible way by providing a method that clients can override in future to |
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495 allow extra callbacks to be made via aObject. |
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496 */ |
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497 EXPORT_C void MBluetoothSocketNotifier::MBSN_ExtensionInterfaceL(TUid /*aInterface*/, void*& aObject) |
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498 { |
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499 aObject = NULL; |
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500 } |
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501 |
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502 // EOF |