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1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 /** |
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17 @file |
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18 @internalComponent |
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19 */ |
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20 |
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21 #include <bluetooth/hciserverclient.h> |
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22 |
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23 #include <bt_sock.h> |
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24 #include <bluetooth/hci/hciipc.h> |
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25 #include <bluetooth/logger.h> |
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26 |
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27 #ifdef __FLOG_ACTIVE |
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28 _LIT8(KLogComponent, LOG_COMPONENT_HCISERVERCLIENT); |
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29 #endif |
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30 |
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31 // Don't allocate memory for dedicated message slots, just use the ones from |
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32 // the global pool. |
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33 const TInt KAsyncMessageSlots = -1; |
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34 |
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35 EXPORT_C RHCIServerSession::RHCIServerSession() |
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36 { |
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37 } |
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38 |
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39 /** |
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40 Connect the handle to the server. |
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41 Must be called before all other methods (except Version and Close). |
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42 @return KErrNone if successful, a system-wide error code otherwise. |
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43 */ |
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44 EXPORT_C TInt RHCIServerSession::Open(TInt aInterfaceUid) |
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45 { |
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46 TRAPD(err, OpenL(aInterfaceUid)); |
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47 return err; |
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48 } |
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49 |
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50 void RHCIServerSession::OpenL(TInt aInterfaceUid) |
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51 { |
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52 // Attempt to connect to the latest version number |
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53 TVersion hciSvrVersion2(KHCISrvVersion2MajorVersionNumber, |
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54 KHCISrvVersion2MinorVersionNumber, |
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55 KHCISrvVersion2BuildNumber); |
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56 |
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57 TInt err = CreateSession(KHCIServerName, hciSvrVersion2, KAsyncMessageSlots); |
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58 |
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59 if (err != KErrNone) |
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60 { |
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61 // The connection failed for some reason, this could be due to the version number not |
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62 // being supported, the server not being loaded or another reason. First attempt |
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63 // to load the Bluetooth stack and in turn the server. |
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64 LEAVEIFERRORL(iSocketServer.Connect()); |
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65 CleanupClosePushL(iSocketServer); |
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66 |
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67 TRequestStatus status; |
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68 iSocketServer.StartProtocol(KBTAddrFamily,KSockSeqPacket,KBTLinkManager,status); |
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69 User::WaitForRequest(status); |
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70 TInt err = status.Int(); |
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71 if (err != KErrNone && err != KErrAlreadyExists) |
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72 { |
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73 LEAVEIFERRORL(err); |
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74 } |
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75 |
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76 // Now attempt the connection again. |
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77 err = CreateSession(KHCIServerName, hciSvrVersion2, KAsyncMessageSlots); |
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78 |
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79 if (err != KErrNone) |
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80 { |
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81 // Finally try reverting to the old version number. |
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82 TVersion hciSvrVersion1(KHCISrvMajorVersionNumber, |
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83 KHCISrvMinorVersionNumber, |
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84 KHCISrvBuildNumber); |
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85 |
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86 LEAVEIFERRORL(CreateSession(KHCIServerName, hciSvrVersion1, KAsyncMessageSlots)); |
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87 } |
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88 |
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89 // Now we have a server side session setup, so now we will cleanup the socketserver |
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90 // on Close |
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91 CleanupStack::Pop(); |
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92 } |
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93 |
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94 // Now try and connect to the requested service. |
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95 CleanupClosePushL(*this); |
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96 LEAVEIFERRORL(SendReceive(EConnectToService, TIpcArgs(aInterfaceUid))); |
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97 CleanupStack::Pop(); |
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98 } |
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99 |
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100 /** |
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101 Close the session. |
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102 */ |
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103 EXPORT_C void RHCIServerSession::Close() |
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104 { |
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105 if (iSocketServer.Handle()) |
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106 { |
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107 // Release handle on the Bluetooth stack if we loaded it in OpenL |
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108 TRequestStatus status; |
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109 iSocketServer.StopProtocol(KBTAddrFamily,KSockSeqPacket,KBTLinkManager,status); |
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110 User::WaitForRequest(status); |
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111 |
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112 iSocketServer.Close(); |
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113 } |
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114 |
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115 // Close the session |
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116 RSessionBase::Close(); |
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117 } |
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118 |
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119 /** |
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120 Synchronous request to be sent to HCI. |
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121 |
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122 @param aInterfaceUid The type of request, for example power control, or direct access |
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123 @param aCommand The actual request, for example SetPower |
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124 @return KErrNone if successful, a system-wide error code otherwise. |
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125 */ |
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126 EXPORT_C TInt RHCIServerSession::SendSync(TUint aCommand) |
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127 { |
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128 return SendSync(aCommand, NULL, NULL, 0); |
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129 } |
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130 |
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131 /** |
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132 Asynchronous request to be sent to HCI. |
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133 |
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134 @param aInterfaceUid The type of request, for example power control, or direct access |
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135 @param aCommand The actual request, for example SetPower |
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136 @param aStatus Used to alert user of completion of request. |
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137 */ |
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138 EXPORT_C void RHCIServerSession::SendAsync(TUint aCommand, TRequestStatus &aStatus) |
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139 { |
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140 SendAsync(aCommand, NULL, NULL, 0, aStatus); |
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141 } |
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142 |
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143 /** |
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144 Synchronous request to be sent to HCI. |
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145 |
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146 @param aInterfaceUid The type of request, for example power control, or direct access |
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147 @param aCommand The actual request, for example SetPower |
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148 @param aDescIn The descriptor carries input information |
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149 @param aDescOut The descriptor carries output information |
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150 @param aValue A value for use with the command. |
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151 @return KErrNone if successful, a system-wide error code otherwise. |
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152 */ |
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153 EXPORT_C TInt RHCIServerSession::SendSync(TUint aCommand, TDes8* aDescIn, TDes8* aDescOut, TUint aValue) |
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154 { |
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155 return SendReceive(EServiceSpecificRequest,TIpcArgs(aCommand,aDescIn,aDescOut,aValue)); |
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156 } |
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157 |
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158 /** |
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159 Asynchronous request to be sent to HCI. |
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160 |
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161 @param aInterfaceUid The type of request, for example power control, or direct access |
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162 @param aCommand The actual request, for example SetPower |
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163 @param aDescIn The descriptor carries input information |
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164 @param aDescOut The descriptor carries output information |
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165 @param aValue A value for use with the command. |
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166 @param aStatus Used to alert user of completion of request. |
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167 */ |
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168 EXPORT_C void RHCIServerSession::SendAsync(TUint aCommand, TDes8* aDescIn, TDes8* aDescOut, TUint aValue, TRequestStatus& aStatus) |
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169 { |
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170 SendReceive(EServiceSpecificRequest,TIpcArgs(aCommand,aDescIn,aDescOut,aValue),aStatus); |
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171 } |