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1 /* |
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2 * Copyright (c) 2007 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: BT HID client implementation |
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15 * |
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16 */ |
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17 |
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18 |
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19 #include <btmanclient.h> |
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20 #include "bthidclient.h" |
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21 #include "bthidclientsrv.h" |
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22 #include "debug.h" |
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23 #include "hiduids.h" |
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24 |
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25 static TInt StartServer(); |
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26 |
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27 // --------------------------------------------------------- |
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28 // Connect |
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29 // Handles connection to server(creates session) |
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30 // --------------------------------------------------------- |
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31 // |
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32 EXPORT_C TInt RBTHidClient::Connect() |
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33 { |
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34 TRACE_FUNC |
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35 |
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36 TInt retVal = CreateSession(KBTHidSrvName, Version()); |
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37 if (retVal != KErrNone && retVal != KErrAlreadyExists) |
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38 { |
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39 retVal = StartServer(); |
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40 if (retVal == KErrNone || retVal == KErrAlreadyExists) |
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41 { |
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42 retVal = CreateSession(KBTHidSrvName, Version()); |
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43 } |
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44 } |
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45 TRACE_INFO((_L("[BTHID] ret %d "), retVal)) |
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46 |
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47 if (retVal != KErrNone) |
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48 { |
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49 Close(); |
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50 } |
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51 |
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52 return retVal; |
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53 } |
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54 |
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55 // --------------------------------------------------------- |
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56 // Version |
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57 // Defines server version number |
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58 // --------------------------------------------------------- |
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59 // |
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60 TVersion RBTHidClient::Version() const |
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61 { |
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62 return (TVersion(KBTHIDServMajorVersionNumber, |
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63 KBTHIDServMinorVersionNumber, KBTHIDServBuildVersionNumber)); |
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64 } |
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65 |
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66 // --------------------------------------------------------- |
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67 // ConnectToHID |
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68 // Establishes a Bluetooth HID connection |
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69 // --------------------------------------------------------- |
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70 // |
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71 EXPORT_C void RBTHidClient::ConnectDevice(const TBTDevAddrPckgBuf& aAddrBuf, |
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72 TDes8& aDiagnostic, TRequestStatus& aStatus) |
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73 { |
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74 SendReceive(EBTHIDServConnectDevice, TIpcArgs(&aAddrBuf, &aDiagnostic), |
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75 aStatus); |
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76 } |
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77 |
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78 // --------------------------------------------------------- |
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79 // CancelConnectDevice |
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80 // Cancel Connection attempt |
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81 // --------------------------------------------------------- |
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82 // |
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83 EXPORT_C void RBTHidClient::CancelConnectDevice() const |
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84 { |
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85 SendReceive(EBTHIDServCancelConnect); |
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86 } |
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87 |
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88 // --------------------------------------------------------- |
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89 // NotifyStatusChange |
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90 // Request for a notify for change of connection status |
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91 // --------------------------------------------------------- |
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92 // |
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93 EXPORT_C void RBTHidClient::NotifyStatusChange( |
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94 THIDStateUpdateBuf& aUpdateParams, TDes8& aDiagnostic, |
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95 TRequestStatus& aStatus) |
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96 { |
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97 SendReceive(EBTHIDServNotifyConnectionChange, TIpcArgs(&aUpdateParams, |
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98 &aDiagnostic), aStatus); |
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99 } |
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100 |
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101 // --------------------------------------------------------- |
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102 // CancelNotifyStatusChange |
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103 // Cancel a outstanding request for a notify for change of connection status |
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104 // --------------------------------------------------------- |
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105 // |
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106 EXPORT_C void RBTHidClient::CancelNotifyStatusChange() const |
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107 { |
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108 SendReceive(EBTHIDServCancelNotify); |
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109 } |
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110 |
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111 // --------------------------------------------------------- |
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112 // DisconnectDevice |
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113 // Disconnect from the selected HID device |
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114 // --------------------------------------------------------- |
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115 // |
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116 EXPORT_C void RBTHidClient::DisconnectDevice( |
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117 const TBTDevAddrPckgBuf& aAddrBuf, TBTDisconnectType aDiscType, |
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118 TRequestStatus& aStatus) |
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119 { |
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120 TBTHidParamPkg discPkg(aDiscType); |
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121 SendReceive(EBTHIDServDisconnectDevice, TIpcArgs(&aAddrBuf, &discPkg), |
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122 aStatus); |
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123 } |
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124 |
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125 // --------------------------------------------------------- |
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126 // DisconnectAllGracefully |
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127 // Disconnect from the all HID devices |
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128 // --------------------------------------------------------- |
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129 // |
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130 EXPORT_C void RBTHidClient::DisconnectAllGracefully(TRequestStatus& aStatus) |
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131 { |
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132 TRACE_FUNC |
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133 SendReceive(EBTHidSrvDisconnectAllGracefully, aStatus); |
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134 } |
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135 |
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136 // --------------------------------------------------------- |
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137 // IsConnected |
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138 // Request for the connection status for a specified device |
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139 // --------------------------------------------------------- |
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140 // |
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141 EXPORT_C TInt RBTHidClient::IsConnected(const TBTDevAddr& aBTaddr) |
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142 { |
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143 TPckgC<TBTDevAddr> addrPck(aBTaddr); |
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144 return SendReceive(EBTHIDServIsConnected, TIpcArgs(&addrPck)); |
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145 } |
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146 |
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147 // --------------------------------------------------------- |
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148 // GetConnections |
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149 // Request for a list of current connected HID device addresses |
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150 // --------------------------------------------------------- |
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151 // |
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152 EXPORT_C void RBTHidClient::GetConnections(TDes8& aAddrs, TInt aProfile) |
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153 { |
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154 TRACE_FUNC |
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155 SendReceive(EBTHIDGetConnections, TIpcArgs(&aAddrs, aProfile)); |
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156 } |
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157 |
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158 TInt StartServer() |
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159 { |
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160 TRACE_STATIC_FUNC |
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161 const TUid KKBTHIDSrvUid3 = |
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162 { |
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163 BTHID_SRV_UID |
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164 }; |
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165 const TUidType serverUid(KNullUid,KNullUid, KKBTHIDSrvUid3); |
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166 RProcess server; |
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167 TInt r = server.Create(KBTHidServerFilename, KNullDesC, serverUid); |
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168 if (r != KErrNone) |
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169 return r; |
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170 server.SetPriority(EPriorityHigh); |
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171 |
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172 TRequestStatus stat; |
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173 server.Rendezvous(stat); |
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174 if (stat != KRequestPending) |
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175 { |
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176 server.Kill(0); |
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177 } |
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178 else |
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179 { |
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180 server.Resume(); |
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181 } |
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182 |
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183 User::WaitForRequest(stat); |
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184 TRACE_INFO((_L("[BTHID] Server started, code %d"), stat.Int())) |
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185 r = (server.ExitType() == EExitPanic) ? KErrGeneral : stat.Int(); |
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186 server.Close(); |
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187 return r; |
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188 } |
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189 // End of File |