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1 /* |
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2 * Copyright (c) 2007-2009 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 the License "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: |
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15 * Values and data types used by KMS server-side implementation. |
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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 |
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21 |
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22 /** |
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23 @internalComponent |
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24 @file |
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25 */ |
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26 |
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27 #ifndef KMSSERVER_H |
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28 #define KMSSERVER_H |
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29 |
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30 #include <e32base.h> |
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31 |
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32 #include "kmsservercommon.h" |
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33 |
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34 |
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35 // forward declaration so can contain pointer in server object |
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36 class CKmsShutdown; |
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37 class CKeyMgmtServer : public CServer2 |
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38 /** |
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39 Symbian OS server object creates sessions for KMS clients. |
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40 */ |
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41 { |
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42 public: |
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43 static CKeyMgmtServer* NewLC(); |
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44 virtual ~CKeyMgmtServer(); |
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45 |
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46 // implement CServer2 |
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47 virtual CSession2* NewSessionL(const TVersion& aVersion, const RMessage2& aMessage) const; |
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48 |
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49 void IncrementSessionCount(); |
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50 void DecrementSessionCount(); |
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51 |
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52 private: |
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53 CKeyMgmtServer(); |
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54 void ConstructL(); |
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55 |
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56 private: |
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57 /** |
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58 If there have been no open sessions for this period of time, |
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59 then the server is stopped. |
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60 */ |
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61 static const TInt KShutdownPeriodUs = 2 * 1000 * 1000; |
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62 TBool iLoadedLdd; ///< Whether the ldd was successfully loaded. |
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63 |
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64 /** |
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65 The number of currently open sessions. When the last open session |
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66 is closed then the shutdown timer is started. |
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67 */ |
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68 TInt iSessionCount; |
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69 |
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70 /** |
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71 Shuts down the server after an inactivity period when no sessions |
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72 have been open. |
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73 */ |
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74 CKmsShutdown* iShutdown; |
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75 }; |
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76 |
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77 class CKeyMgmtSession : public CSession2 |
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78 /** |
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79 Symbian OS server session object handles requests from KMS clients |
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80 which are sent through the RKmsSession class. |
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81 */ |
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82 { |
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83 public: |
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84 static CKeyMgmtSession* NewL(); |
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85 virtual ~CKeyMgmtSession(); |
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86 |
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87 // implement CSession2 |
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88 virtual void ServiceL(const RMessage2& aMessage); |
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89 // override CSession2 |
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90 virtual void ServiceError(const RMessage2& aMessage, TInt aError); |
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91 |
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92 private: |
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93 void ConstructL(); |
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94 |
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95 void GenerateKeyL(const RMessage2& aMessage, RProcess aClientProc); |
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96 void StoreKeyL(const RMessage2& aMessage, RProcess aClientProc); |
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97 void WriteHandleToClientL(const RMessage2& aMessage, RProcess aClientProc, TKeyHandle aHandle); |
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98 |
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99 void DeleteKeyL(const RMessage2& aMessage, RProcess aClientProc); |
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100 |
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101 void AddUsageL(const RMessage2& aMessage, RProcess aClientProc); |
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102 void DeleteUsageL(const RMessage2& aMessage, RProcess aClientProc); |
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103 |
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104 private: |
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105 /** |
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106 This channel provides access to the hardware key store via a device driver. |
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107 It is opened when the session is created, and closed when the session is |
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108 destroyed. |
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109 */ |
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110 RKmsChannel iChannel; |
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111 }; |
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112 |
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113 class CKmsShutdown : public CTimer |
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114 /** |
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115 Stops the server after no sessions have been connected for |
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116 a specified period. |
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117 */ |
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118 { |
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119 public: |
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120 static CKmsShutdown* NewL(TInt iDelayUs); |
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121 |
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122 void Restart(); |
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123 |
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124 private: |
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125 CKmsShutdown(TInt aPeriodUs); |
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126 |
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127 // implement CTimer |
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128 virtual void RunL(); |
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129 |
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130 private: |
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131 /** Timer delay in microseconds. */ |
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132 TInt iDelayUs; |
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133 }; |
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134 |
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135 #endif // #ifndef KMSSERVER_H |
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136 |
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137 |