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1 /* |
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2 * Copyright (c) 2008 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 side interface of ATEXT common functionality |
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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 <atextcommon.h> |
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20 #include "atextclientsrvcommon.h" |
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21 #include "atext_interfaceuid.h" |
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22 #include "debug.h" |
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23 |
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24 _LIT( KATExtCommonSrvExe, "atextcommon.exe" ); |
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25 |
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26 const TUid KATExtSrvUid3 = { 0x2001CBEC }; |
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27 |
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28 static TInt StartServer(); |
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29 |
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30 // --------------------------------------------------------------------------- |
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31 // Connects to ATEXT server and creates a new session |
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32 // --------------------------------------------------------------------------- |
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33 // |
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34 EXPORT_C TInt RATExtCommon::Connect( const TDesC8& aName ) |
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35 { |
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36 TRACE_FUNC_ENTRY |
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37 TVersion version( KCommonServerMajorVersionNumber, |
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38 KCommonServerMinorVersionNumber, |
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39 KCommonServerBuildVersionNumber ); |
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40 TInt retVal = CreateSession( KATExtSrvName, version ); |
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41 if ( retVal!=KErrNone && retVal!=KErrAlreadyExists ) |
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42 { |
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43 retVal = StartServer(); |
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44 if ( retVal==KErrNone || retVal==KErrAlreadyExists ) |
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45 { |
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46 retVal = CreateSession( KATExtSrvName, version ); |
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47 } |
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48 } |
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49 if ( retVal==KErrNone || retVal==KErrAlreadyExists ) |
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50 { |
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51 retVal = SendReceive( EATExtSetCommonInterface, TIpcArgs(&aName) ); |
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52 } |
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53 if ( retVal != KErrNone ) |
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54 { |
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55 Close(); |
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56 } |
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57 TRACE_FUNC_EXIT |
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58 return KErrNone; |
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59 } |
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60 |
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61 // --------------------------------------------------------------------------- |
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62 // Synchronously closes the session |
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63 // Optional: client can do either Close() or SynchronousClose()+Close() |
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64 // --------------------------------------------------------------------------- |
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65 // |
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66 EXPORT_C TInt RATExtCommon::SynchronousClose() |
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67 { |
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68 TRACE_FUNC_ENTRY |
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69 if ( !Handle() ) |
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70 { |
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71 TRACE_FUNC_EXIT |
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72 return KErrBadHandle; |
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73 } |
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74 TInt retVal = SendReceive( EATExtSynchronousClose ); |
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75 TRACE_FUNC_EXIT |
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76 return retVal; |
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77 } |
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78 |
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79 // --------------------------------------------------------------------------- |
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80 // Gets current mode status |
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81 // --------------------------------------------------------------------------- |
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82 // |
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83 EXPORT_C TInt RATExtCommon::GetMode( TUint& aMask, TUint& aMode ) |
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84 { |
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85 TRACE_FUNC_ENTRY |
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86 if ( !Handle() ) |
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87 { |
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88 TRACE_FUNC_EXIT |
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89 return KErrBadHandle; |
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90 } |
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91 TPckg<TUint> maskPckg( aMask ); |
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92 TPckg<TUint> modePckg( aMode ); |
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93 TInt retVal = SendReceive( EATExtGetMode, TIpcArgs(&maskPckg,&modePckg) ); |
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94 TRACE_FUNC_EXIT |
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95 return retVal; |
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96 } |
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97 |
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98 // --------------------------------------------------------------------------- |
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99 // Receives mode status change |
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100 // --------------------------------------------------------------------------- |
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101 // |
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102 EXPORT_C TInt RATExtCommon::ReceiveModeStatusChange( TRequestStatus& aStatus, |
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103 TPckg<TUint>& aMode ) |
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104 { |
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105 TRACE_FUNC_ENTRY |
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106 if ( !Handle() ) |
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107 { |
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108 TRequestStatus* status = &aStatus; |
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109 aStatus = KRequestPending; |
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110 User::RequestComplete( status, KErrBadHandle ); |
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111 TRACE_FUNC_EXIT |
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112 return KErrBadHandle; |
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113 } |
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114 SendReceive( EATExtReceiveModeStatusChange, TIpcArgs(&aMode), aStatus ); |
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115 TRACE_FUNC_EXIT |
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116 return KErrNone; |
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117 } |
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118 |
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119 // --------------------------------------------------------------------------- |
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120 // Cancels a pending receiving request |
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121 // --------------------------------------------------------------------------- |
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122 // |
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123 EXPORT_C TInt RATExtCommon::CancelReceiveModeStatusChange() |
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124 { |
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125 TRACE_FUNC_ENTRY |
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126 if ( !Handle() ) |
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127 { |
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128 TRACE_FUNC_EXIT |
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129 return KErrBadHandle; |
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130 } |
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131 TInt retVal = SendReceive( EATExtCancelReceiveModeStatusChange ); |
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132 TRACE_FUNC_EXIT |
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133 return retVal; |
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134 } |
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135 |
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136 // --------------------------------------------------------------------------- |
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137 // Gets current NVRAM status |
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138 // --------------------------------------------------------------------------- |
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139 // |
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140 EXPORT_C TInt RATExtCommon::GetNvramStatus( |
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141 TBuf8<KDefaultNvramBufLength>& aNvram ) |
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142 { |
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143 TRACE_FUNC_ENTRY |
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144 if ( !Handle() ) |
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145 { |
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146 TRACE_FUNC_EXIT |
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147 return KErrBadHandle; |
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148 } |
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149 TInt retVal = SendReceive( EATExtGetNvramStatus, |
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150 TIpcArgs(&aNvram) ); |
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151 TRACE_FUNC_EXIT |
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152 return retVal; |
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153 } |
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154 |
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155 // --------------------------------------------------------------------------- |
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156 // Receives NVRAM status change |
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157 // --------------------------------------------------------------------------- |
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158 // |
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159 EXPORT_C TInt RATExtCommon::ReceiveNvramStatusChange( |
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160 TRequestStatus& aStatus, |
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161 TBuf8<KDefaultNvramBufLength>& aNvram ) |
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162 { |
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163 TRACE_FUNC_ENTRY |
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164 if ( !Handle() ) |
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165 { |
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166 TRequestStatus* status = &aStatus; |
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167 aStatus = KRequestPending; |
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168 User::RequestComplete( status, KErrBadHandle ); |
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169 TRACE_FUNC_EXIT |
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170 return KErrBadHandle; |
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171 } |
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172 SendReceive( EATExtReceiveNvramStatusChange, |
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173 TIpcArgs(&aNvram), |
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174 aStatus ); |
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175 TRACE_FUNC_EXIT |
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176 return KErrNone; |
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177 } |
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178 |
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179 // --------------------------------------------------------------------------- |
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180 // Cancels a pending NVRAM receive request |
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181 // --------------------------------------------------------------------------- |
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182 // |
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183 EXPORT_C TInt RATExtCommon::CancelReceiveNvramStatusChange() |
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184 { |
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185 TRACE_FUNC_ENTRY |
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186 if ( !Handle() ) |
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187 { |
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188 TRACE_FUNC_EXIT |
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189 return KErrBadHandle; |
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190 } |
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191 TInt retVal = SendReceive( EATExtCancelReceiveNvramStatusChange ); |
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192 TRACE_FUNC_EXIT |
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193 return retVal; |
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194 } |
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195 |
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196 // --------------------------------------------------------------------------- |
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197 // Starts the server |
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198 // --------------------------------------------------------------------------- |
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199 // |
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200 TInt StartServer() |
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201 { |
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202 TRACE_STATIC_FUNC |
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203 const TUidType serverUid( KNullUid, KNullUid, KATExtSrvUid3 ); |
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204 RProcess server; |
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205 TInt retTemp = server.Create( KATExtCommonSrvExe, KNullDesC, serverUid ); |
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206 server.SetPriority( EPriorityHigh ); |
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207 if ( retTemp != KErrNone ) |
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208 { |
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209 return retTemp; |
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210 } |
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211 TRequestStatus status; |
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212 server.Rendezvous( status ); |
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213 if ( status != KRequestPending ) |
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214 { |
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215 server.Kill( 0 ); |
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216 } |
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217 else |
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218 { |
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219 server.Resume(); |
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220 } |
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221 User::WaitForRequest( status ); |
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222 TRACE_INFO((_L("Server started, code %d"), status.Int())) |
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223 retTemp = ( server.ExitType() == EExitPanic ) ? KErrGeneral : status.Int(); |
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224 server.Close(); |
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225 return retTemp; |
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226 } |