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1 /* |
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2 * Copyright (c) 2002-2005 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-Server communication |
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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 <s32mem.h> |
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20 #include <e32std.h> |
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21 #include "lbtserver.h" |
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22 #include "lbterrors.h" |
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23 #include "lbtserverconsts.h" |
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24 |
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25 |
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26 const TInt KDefaultMessageSlots = 16; |
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27 _LIT(KServerCoreProcessName, "lbtserver.exe"); |
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28 |
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29 // --------------------------------------------------------------------------- |
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30 // RLbtServer::RLbtServer() |
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31 // Default constructor |
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32 // --------------------------------------------------------------------------- |
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33 // |
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34 EXPORT_C RLbtServer :: RLbtServer():RSessionBase(),iReserved(NULL) |
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35 { |
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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 // RLbtServer::ConstructL |
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41 // Symbian 2nd phase constructor can leave. |
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42 // ----------------------------------------------------------------------------- |
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43 // |
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44 void RLbtServer::ConstructL() |
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45 { |
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46 |
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47 } |
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48 |
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49 // --------------------------------------------------------- |
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50 // RLbtServer::Connect |
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51 // |
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52 // (other items were commented in a header). |
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53 // --------------------------------------------------------- |
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54 // |
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55 EXPORT_C TInt RLbtServer::Connect() |
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56 { |
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57 __ASSERT_ALWAYS(Handle() == 0, User::Panic(KLbtClientPanicCategory, ELbtServerHandleNotClosed)); |
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58 |
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59 TRAPD(ret, ConstructL()); |
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60 |
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61 if (ret == KErrNone) |
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62 { |
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63 ret = CreateSession(KLbtServerCoreName, Version(), KDefaultMessageSlots); |
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64 |
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65 if( ret == KErrNotFound ) |
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66 { |
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67 RProcess lbtServer; |
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68 ret = lbtServer.Create(KServerCoreProcessName, KNullDesC); |
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69 |
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70 if( ret != KErrNone ) |
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71 { |
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72 lbtServer.Close(); |
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73 return KErrNotFound; |
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74 } |
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75 |
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76 TRequestStatus status; |
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77 lbtServer.Rendezvous(status); |
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78 |
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79 if( status != KRequestPending ) |
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80 { |
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81 User::WaitForRequest(status); |
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82 lbtServer.Kill(KErrNone); |
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83 lbtServer.Close(); |
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84 return KErrNotFound; |
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85 } |
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86 else |
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87 { |
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88 lbtServer.Resume(); |
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89 } |
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90 |
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91 User::WaitForRequest(status); |
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92 lbtServer.Close(); |
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93 |
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94 if( status != KErrNone ) |
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95 { |
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96 return (status.Int()); |
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97 } |
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98 ret = CreateSession(KLbtServerCoreName, Version(), KDefaultMessageSlots); |
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99 } |
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100 } |
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101 return ret; |
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102 } |
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103 |
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104 // --------------------------------------------------------- |
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105 // RLbtServer::Close |
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106 // |
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107 // (other items were commented in a header). |
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108 // --------------------------------------------------------- |
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109 // |
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110 EXPORT_C void RLbtServer::Close() |
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111 { |
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112 RSessionBase::Close(); |
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113 } |
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114 |
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115 // --------------------------------------------------------- |
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116 // RLbtServer::Version |
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117 // |
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118 // (other items were commented in a header). |
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119 // --------------------------------------------------------- |
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120 // |
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121 EXPORT_C TVersion RLbtServer::Version() const |
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122 { |
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123 return TVersion(KLbtMajorVersionNumber, |
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124 KLbtMinorVersionNumber, |
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125 KLbtBuildVersionNumber); |
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126 } |