1 /* |
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2 * Copyright (c) 2009 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: Client interface to haptics server for haptics bridge |
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15 * commands. |
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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 #include <e32svr.h> |
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21 #include <f32file.h> |
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22 #include <data_caging_path_literals.hrh> // KDC_PROGRAMS_DIR |
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23 #include <hwrmhaptics.h> |
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24 #include <hwrmlogicalactuators.h> |
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25 #include <hwrmhapticspacketizer.h> |
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26 |
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27 #include "hapticsbridgeclient.h" |
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28 #include "hapticsconntrace.h" |
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29 |
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30 const TInt KServerVersionMajor = 1; |
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31 const TInt KServerVersionMinor = 1; |
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32 const TInt KServerVersionBuild = 1; |
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33 _LIT( KServerProcessName, "!hwrmhapticsserver" ); |
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34 _LIT( KServerExeName, "hwrmhapticsserver.exe" ); |
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35 const TInt KAsyncMsgSlots = 10; |
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36 |
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37 const TInt KHWRMHapticsServiceCommand = 2001; |
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38 const TInt KHWRMHapticsOpenActuatorCommand = 2004; |
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39 const TInt KHWRMHapticsCleanupCommand = 2008; |
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40 const TInt KHWRMHapticsBridgeCommand = 2011; |
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41 |
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42 // -------------------------------------------------------------------------- |
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43 // Simple constructor |
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44 // |
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45 // -------------------------------------------------------------------------- |
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46 // |
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47 RHapticsBridgeClient::RHapticsBridgeClient() |
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48 { |
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49 TRAP_IGNORE( iPacketizer = |
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50 CHWRMHapticsPacketizer::NewL( EHWRMLogicalActuatorAny ) ); |
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51 } |
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52 |
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53 // -------------------------------------------------------------------------- |
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54 // Simple destructor |
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55 // |
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56 // -------------------------------------------------------------------------- |
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57 // |
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58 RHapticsBridgeClient::~RHapticsBridgeClient() |
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59 { |
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60 delete iPacketizer; |
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61 } |
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62 |
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63 // -------------------------------------------------------------------------- |
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64 // Method for connecting (creating a new session) with Haptics Server |
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65 // |
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66 // -------------------------------------------------------------------------- |
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67 // |
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68 TInt RHapticsBridgeClient::Connect() |
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69 { |
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70 COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::Connect()" ) ) ); |
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71 TInt ret = CreateSession( KServerProcessName, |
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72 ServerVersion(), |
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73 KAsyncMsgSlots ); |
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74 if ( ret != KErrNone ) |
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75 { |
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76 ret = StartServer(); |
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77 if ( ret == KErrNone ) |
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78 { |
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79 ret = CreateSession( KServerProcessName, |
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80 ServerVersion(), |
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81 KAsyncMsgSlots ); |
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82 COMPONENT_TRACE(_L("RHapticsBridgeClient::Connect(), Session created")); |
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83 } |
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84 } |
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85 |
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86 // Initialize server components. |
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87 if ( ret == KErrNone ) |
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88 { |
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89 ret = SendReceive( KHWRMHapticsServiceCommand ); |
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90 } |
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91 |
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92 // Open the haptic effect ("vibra") device. |
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93 if ( ret == KErrNone ) |
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94 { |
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95 ret = OpenHapticsDevice(); |
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96 } |
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97 |
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98 |
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99 COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::Connect - return(%d)" ), ret ) ); |
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100 return ret; |
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101 } |
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102 |
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103 // -------------------------------------------------------------------------- |
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104 // Method for starting Haptics Server (if not already running) |
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105 // |
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106 // -------------------------------------------------------------------------- |
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107 // |
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108 TInt RHapticsBridgeClient::StartServer() const |
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109 { |
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110 COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::StartServer()" ) ) ); |
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111 |
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112 TParse parser; |
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113 parser.Set( KServerExeName, &KDC_PROGRAMS_DIR, NULL ); |
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114 |
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115 RProcess server; |
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116 TInt ret = server.Create( parser.FullName(), KNullDesC ); |
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117 |
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118 if ( ret != KErrNone ) // Loading failed. |
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119 { |
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120 return ret; |
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121 } |
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122 |
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123 TRequestStatus status; |
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124 server.Rendezvous( status ); |
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125 |
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126 if ( status != KRequestPending ) |
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127 { |
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128 server.Kill( 0 ); // Abort startup. |
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129 server.Close(); |
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130 return KErrGeneral; |
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131 } |
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132 else |
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133 { |
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134 server.Resume(); // Logon OK - start the server. |
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135 } |
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136 |
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137 User::WaitForRequest( status ); |
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138 server.Close(); |
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139 |
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140 COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::StartServer() - return %d" ), status.Int() ) ); |
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141 return status.Int(); |
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142 } |
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143 |
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144 // -------------------------------------------------------------------------- |
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145 // Method for closing session to haptics server. |
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146 // |
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147 // -------------------------------------------------------------------------- |
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148 // |
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149 void RHapticsBridgeClient::Close() |
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150 { |
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151 RSessionBase::Close(); |
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152 } |
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153 |
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154 // -------------------------------------------------------------------------- |
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155 // Getter method for server version. |
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156 // |
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157 // -------------------------------------------------------------------------- |
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158 // |
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159 TVersion RHapticsBridgeClient::ServerVersion() const |
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160 { |
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161 return TVersion( KServerVersionMajor, |
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162 KServerVersionMinor, |
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163 KServerVersionBuild ); |
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164 } |
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165 |
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166 // -------------------------------------------------------------------------- |
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167 // Method for sending commands to Haptics Server. |
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168 // |
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169 // -------------------------------------------------------------------------- |
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170 // |
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171 TInt RHapticsBridgeClient::SendBridgeBuffer( const TDesC8& aReqData, TDes8& aRetDataPckg ) |
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172 { |
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173 COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::SendBridgeBufferL() - Begin" ) ) ); |
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174 |
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175 TInt retVal( KErrDisconnected ); |
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176 if ( iHandle ) |
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177 { |
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178 TInt vibeStatus(0); |
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179 TPckg<TInt> vibeStatusPckg( vibeStatus ); |
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180 retVal = SendReceive( KHWRMHapticsBridgeCommand, |
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181 TIpcArgs( &aReqData, |
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182 &vibeStatusPckg, |
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183 &aRetDataPckg ) ); |
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184 |
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185 if ( retVal == KErrNone ) |
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186 { |
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187 TRAP( retVal, HandleOpenDeviceResponseL( aRetDataPckg ) ); |
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188 } |
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189 } |
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190 |
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191 COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::SendBridgeBufferL() - End (%d)" ), retVal ) ); |
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192 return retVal; |
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193 } |
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194 |
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195 // -------------------------------------------------------------------------- |
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196 // Method for cleaning up session to Haptics Server. |
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197 // |
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198 // -------------------------------------------------------------------------- |
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199 // |
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200 void RHapticsBridgeClient::CleanUp() |
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201 { |
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202 COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::CleanUp() - Begin" ) ) ); |
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203 if ( iHandle ) |
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204 { |
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205 SendReceive ( KHWRMHapticsCleanupCommand ); |
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206 } |
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207 COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::CleanUp() - End" ) ) ); |
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208 } |
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209 |
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210 // -------------------------------------------------------------------------- |
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211 // Method for handling Open Device responses (basically for requesting the |
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212 // setting of the license key). |
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213 // |
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214 // -------------------------------------------------------------------------- |
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215 // |
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216 void RHapticsBridgeClient::HandleOpenDeviceResponseL( const TDesC8& aResponse ) |
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217 { |
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218 COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::HandleOpenDeviceResponse() - Begin" ) ) ); |
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219 TInt err( KErrNone ); |
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220 if ( !iPacketizer ) |
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221 { |
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222 COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::HandleOpenDeviceResponse() - No Packetizer!" ) ) ); |
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223 User::Leave( KErrGeneral ); |
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224 } |
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225 else |
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226 { |
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227 const TUint8* pRsp ( aResponse.Ptr() ); |
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228 if ( 0x12 == pRsp[0] && 0x00 == pRsp[1] && 0x00 == pRsp[2] ) |
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229 { |
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230 COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::HandleOpenDeviceResponse() - OPEN DEVICE RESPONSE handling" ) ) ); |
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231 iPacketizer->DecodeMessageL( aResponse, err ); |
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232 if ( !err ) |
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233 { |
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234 RBuf8 reqBuf; |
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235 err = iPacketizer->EncSetPlatformLicenseKeyReq( |
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236 iPacketizer->DeviceHandle(), reqBuf ); |
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237 if ( !err ) |
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238 { |
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239 TBuf8<50> dummyRetBuf; |
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240 TInt dummyStatus; |
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241 TPckg<TInt> dummyStatusPckg( dummyStatus ); |
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242 err = SendReceive( KHWRMHapticsBridgeCommand, |
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243 TIpcArgs ( &reqBuf, |
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244 &dummyStatusPckg, |
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245 &dummyRetBuf ) ); |
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246 COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::HandleOpenDeviceResponse() - Sent set license command (%d)"), err ) ); |
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247 } |
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248 reqBuf.Close(); |
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249 } |
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250 User::LeaveIfError( err ); |
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251 } |
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252 } |
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253 COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::HandleOpenDeviceResponse() - End" ) ) ); |
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254 } |
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255 |
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256 |
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257 // -------------------------------------------------------------------------- |
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258 // Method for opening haptics device. This is needed since there's possibility |
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259 // that no other haptics client has opened the device prior to this bridge |
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260 // connectivity. This method also call set license key, i.e., completes the |
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261 // device opening. |
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262 // |
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263 // -------------------------------------------------------------------------- |
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264 // |
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265 TInt RHapticsBridgeClient::OpenHapticsDevice() |
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266 { |
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267 COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::OpenHapticsDevice - Begin" ) ) ); |
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268 TInt err( KErrGeneral ); |
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269 if ( iPacketizer ) |
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270 { |
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271 RBuf8 openDevReqBuf; |
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272 RBuf8 setLicenseReqBuf; |
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273 TBuf8<50> setLicenseRspBuf; |
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274 TInt dummyStatus; |
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275 TPckg<TInt> dummyStatusPckg( dummyStatus ); |
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276 |
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277 err = iPacketizer->EncOpenDeviceReq( EHWRMLogicalActuatorAny, |
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278 openDevReqBuf ); |
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279 |
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280 COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::OpenHapticsDevice - EncOpenDevice (%d)" ), err ) ); |
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281 if ( !err ) |
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282 { |
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283 TInt deviceHandle; |
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284 TPckg<TInt> deviceHandlePckg( deviceHandle ); |
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285 err = SendReceive( KHWRMHapticsOpenActuatorCommand, |
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286 TIpcArgs ( &openDevReqBuf, |
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287 &deviceHandlePckg, |
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288 EHWRMLogicalActuatorAny ) ); |
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289 COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::OpenHapticsDevice - Send OpenDevice (%d)" ), err ) ); |
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290 COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::OpenHapticsDevice - Device handle = %d" ), deviceHandle ) ); |
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291 if ( !err ) |
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292 { |
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293 err = iPacketizer->EncSetPlatformLicenseKeyReq( |
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294 deviceHandle, setLicenseReqBuf ); |
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295 COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::OpenHapticsDevice - EncSetEmptyLicenseKey (%d)" ), err ) ); |
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296 if ( !err ) |
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297 { |
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298 TBuf8<50> dummyRspBuf; |
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299 TInt dummyStatus; |
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300 TPckg<TInt> dummyStatusPckg( dummyStatus ); |
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301 err = SendReceive( KHWRMHapticsBridgeCommand, |
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302 TIpcArgs ( &setLicenseReqBuf, |
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303 &dummyStatusPckg, |
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304 &dummyRspBuf ) ); |
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305 COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::OpenHapticsDevice - Send SetLicense (%d)" ), err ) ); |
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306 } |
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307 } |
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308 } |
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309 |
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310 openDevReqBuf.Close(); |
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311 setLicenseReqBuf.Close(); |
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312 } |
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313 COMPONENT_TRACE( ( _L( "RHapticsBridgeClient::OpenHapticsDevice - End (err=%d)" ),err ) ); |
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314 return err; |
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315 } |
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316 |
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317 // eof |
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