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1 /* |
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2 * Copyright (c) 2010 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: Positioning Indicator Helper Client-Server communication |
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15 * |
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16 */ |
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17 |
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18 #include "posindicatorhelperserver.h" |
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19 #include "posindicatorhelpererrors.h" |
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20 #include "posindicatorserverconst.h" |
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21 |
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22 #include <s32mem.h> |
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23 #include <e32std.h> |
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24 |
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25 const TInt KDefaultMessageSlots = 255; //max |
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26 |
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27 // --------------------------------------------------------------------------- |
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28 // RPosIndicatorHelperServer::RPosIndicatorHelperServer() |
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29 // Default constructor |
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30 // --------------------------------------------------------------------------- |
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31 // |
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32 RPosIndicatorHelperServer :: RPosIndicatorHelperServer():RSessionBase(),iReserved(NULL) |
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33 { |
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34 FUNC("+ RPosIndicatorHelperServer::RPosIndicatorHelperServer"); |
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35 FUNC("- RPosIndicatorHelperServer::RPosIndicatorHelperServer"); |
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36 } |
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37 |
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38 // --------------------------------------------------------- |
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39 // RPosIndicatorHelperServer::Connect |
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40 // |
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41 // (other items were commented in a header). |
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42 // --------------------------------------------------------- |
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43 // |
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44 TInt RPosIndicatorHelperServer::Connect() |
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45 { |
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46 FUNC("+ RPosIndicatorHelperServer::Connect"); |
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47 __ASSERT_ALWAYS(Handle() == 0, User::Panic(KPosIndHelperClientPanicCategory, EPosIndicatorHelperServerHandleNotClosed)); |
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48 |
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49 TInt ret = CreateSession(KPosIndHelperSrvName, Version(), KDefaultMessageSlots); |
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50 |
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51 if( ret == KErrNotFound ) |
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52 { |
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53 #if defined(__WINSCW__) |
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54 StartLbsRootProcess(); |
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55 #endif |
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56 RProcess posIndHelperServerProcess; |
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57 ret = posIndHelperServerProcess.Create(KPosIndHelperSrvName, KNullDesC); |
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58 |
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59 if( ret != KErrNone ) |
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60 { |
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61 posIndHelperServerProcess.Close(); |
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62 return KErrNotFound; |
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63 } |
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64 |
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65 TRequestStatus status; |
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66 posIndHelperServerProcess.Rendezvous(status); |
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67 |
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68 if( status != KRequestPending ) |
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69 { |
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70 User::WaitForRequest(status); |
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71 posIndHelperServerProcess.Kill(KErrNone); |
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72 posIndHelperServerProcess.Close(); |
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73 return status.Int(); |
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74 } |
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75 else |
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76 { |
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77 posIndHelperServerProcess.Resume(); |
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78 } |
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79 |
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80 User::WaitForRequest(status); |
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81 posIndHelperServerProcess.Close(); |
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82 |
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83 if( status != KErrNone ) |
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84 { |
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85 return (status.Int()); |
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86 } |
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87 ret = CreateSession(KPosIndHelperSrvName, Version(), KDefaultMessageSlots); |
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88 } |
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89 |
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90 return ret; |
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91 } |
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92 |
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93 // --------------------------------------------------------- |
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94 // RPosIndicatorHelperServer::Close |
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95 // |
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96 // (other items were commented in a header). |
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97 // --------------------------------------------------------- |
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98 // |
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99 void RPosIndicatorHelperServer::Close() |
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100 { |
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101 FUNC("+ RPosIndicatorHelperServer::Close"); |
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102 RSessionBase::Close(); |
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103 FUNC("- RPosIndicatorHelperServer::Close"); |
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104 } |
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105 |
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106 // --------------------------------------------------------- |
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107 // RPosIndicatorHelperServer::Version |
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108 // |
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109 // (other items were commented in a header). |
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110 // --------------------------------------------------------- |
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111 // |
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112 TVersion RPosIndicatorHelperServer::Version() const |
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113 { |
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114 FUNC("+ RPosIndicatorHelperServer::Version"); |
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115 return TVersion(KMajorVersionNumber, |
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116 KMinorVersionNumber, |
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117 KBuildVersionNumber); |
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118 } |
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119 |
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120 #if defined(__WINSCW__) |
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121 // --------------------------------------------------------- |
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122 // RPosIndicatorHelperServer::Version |
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123 // |
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124 // (other items were commented in a header). |
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125 // --------------------------------------------------------- |
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126 // |
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127 TInt RPosIndicatorHelperServer::StartLbsRootProcess() |
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128 { |
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129 FUNC("+ RPosIndicatorHelperServer::StartLbsRootProcess"); |
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130 |
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131 RProcess lbsrootProcess; |
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132 TInt ret = lbsrootProcess.Create(_L("lbsroot"), KNullDesC); |
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133 |
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134 if( ret != KErrNone ) |
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135 { |
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136 lbsrootProcess.Close(); |
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137 return KErrNotFound; |
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138 } |
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139 |
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140 TRequestStatus status; |
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141 lbsrootProcess.Rendezvous(status); |
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142 |
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143 if( status != KRequestPending ) |
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144 { |
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145 User::WaitForRequest(status); |
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146 lbsrootProcess.Kill(KErrNone); |
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147 lbsrootProcess.Close(); |
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148 return KErrNotFound; |
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149 } |
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150 else |
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151 { |
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152 lbsrootProcess.Resume(); |
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153 } |
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154 |
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155 User::WaitForRequest(status); |
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156 lbsrootProcess.Close(); |
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157 |
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158 if( status != KErrNone ) |
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159 { |
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160 return (status.Int()); |
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161 } |
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162 return ret; |
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163 } |
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164 #endif |