1 /* |
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2 * Copyright (c) 2006-2006 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: Memory Scan Server |
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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 #ifndef __MEMSCANSERV_H__ |
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20 #define __MEMSCANSERV_H__ |
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21 |
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22 // SYSTEM INCLUDES |
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23 #include <e32base.h> |
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24 |
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25 // USER INCLUDES |
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26 #include "memscanclientserver.h" |
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27 #include "msenguihandler.h" |
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28 #include "mseng.h" |
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29 |
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30 |
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31 |
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32 // -------------------------------------------------------------------------- |
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33 // Server's policy here |
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34 // -------------------------------------------------------------------------- |
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35 |
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36 //Total number of ranges |
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37 const TUint KMemScanServRangeCount = 2; |
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38 |
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39 //Definition of the ranges of IPC numbers |
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40 const TInt KMemScanServRanges[KMemScanServRangeCount] = |
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41 { |
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42 0, // ECapabilityReadUserData |
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43 /* |
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44 0 EMemScanStartScan, |
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45 1 EMemScanPrepareDataGroups, |
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46 2 EMemScanGetDataGroups, |
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47 3 EMemScanInProgress, |
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48 4 EMemScanRequestScanEvents, |
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49 5 EMemScanRequestScanEventsCancel, |
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50 6 EMemScanPrepareScanResults, |
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51 7 EMemScanGetScanResults |
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52 */ |
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53 |
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54 8 // ENotSupported - Non implemented function end of range check |
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55 }; |
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56 |
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57 //Policy to implement for each of the above ranges |
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58 const TUint8 KMemScanServElementsIndex[KMemScanServRangeCount] = |
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59 { |
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60 0, // 0th range: Policy 0 in Elements |
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61 CPolicyServer::ENotSupported // 1st range: Out of range IPC |
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62 }; |
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63 |
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64 //Specific capability checks |
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65 const CPolicyServer::TPolicyElement KMemScanServElements[] = |
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66 { |
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67 // Policy 0: Fail call if ReadUserData not present |
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68 {_INIT_SECURITY_POLICY_C1(ECapabilityReadUserData), CPolicyServer::EFailClient} |
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69 }; |
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70 |
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71 //Package all the above together into a policy |
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72 const CPolicyServer::TPolicy KMemScanServPolicy = |
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73 { |
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74 CPolicyServer::EAlwaysPass, // All connect attempts should pass |
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75 KMemScanServRangeCount, // Number of ranges |
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76 KMemScanServRanges, // Ranges array |
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77 KMemScanServElementsIndex, // Elements<->Ranges index |
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78 KMemScanServElements, // Array of elements |
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79 }; |
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80 |
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81 |
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82 |
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83 // -------------------------------------------------------------------------- |
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84 // Server's panic codes here |
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85 // -------------------------------------------------------------------------- |
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86 enum TMemScanServPanic |
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87 { |
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88 EPanicGeneral, |
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89 EPanicIllegalFunction |
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90 }; |
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91 |
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92 void PanicClient(const RMessagePtr2& aMessage,TMemScanServPanic aPanic); |
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93 |
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94 |
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95 // -------------------------------------------------------------------------- |
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96 // Auto shutdown class (standard pattern) |
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97 // -------------------------------------------------------------------------- |
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98 class CShutdown : public CTimer |
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99 { |
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100 enum TMemScanShutdown |
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101 { |
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102 EMemScanServShutdownDelay=0x200000 |
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103 }; |
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104 public: |
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105 inline CShutdown(); |
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106 inline void ConstructL(); |
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107 inline void Start(); |
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108 private: |
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109 void RunL(); |
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110 }; |
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111 |
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112 // -------------------------------------------------------------------------- |
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113 // Server |
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114 // -------------------------------------------------------------------------- |
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115 |
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116 class CMemScanServ : public CPolicyServer |
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117 { |
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118 public: |
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119 static CServer2* NewLC(); |
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120 void AddSession(); |
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121 void DropSession(); |
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122 private: |
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123 CMemScanServ(); |
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124 void ConstructL(); |
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125 CSession2* NewSessionL( const TVersion& aVersion, |
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126 const RMessage2& aMessage) const; |
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127 |
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128 private: |
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129 TInt iSessionCount; |
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130 CShutdown iShutdown; |
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131 }; |
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132 |
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133 |
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134 |
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135 // -------------------------------------------------------------------------- |
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136 // Event object |
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137 // -------------------------------------------------------------------------- |
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138 struct TMemScanEventPackage |
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139 { |
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140 TMemScanEvent iEvent; |
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141 TInt iError; |
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142 }; |
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143 |
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144 |
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145 // -------------------------------------------------------------------------- |
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146 // Session |
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147 // -------------------------------------------------------------------------- |
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148 class CMemScanServSession : public CSession2, public MMsengUIHandler |
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149 { |
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150 public: |
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151 CMemScanServSession(); |
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152 void CreateL(); |
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153 private: |
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154 ~CMemScanServSession(); |
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155 inline CMemScanServ& Server(); |
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156 void ServiceL(const RMessage2& aMessage); |
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157 void ServiceError(const RMessage2& aMessage,TInt aError); |
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158 |
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159 |
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160 private: // Client <-> server functions |
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161 void MemScanL(const RMessage2& aMessage); |
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162 void RequestScanEventsL(const RMessage2& aMessage); |
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163 void RequestScanEventsCancel(const RMessage2& aMessage); |
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164 void ScanInProgress(const RMessage2& aMessage); |
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165 void PrepareDataGroupsL(const RMessage2& aMessage); |
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166 void GetDataGroupsL(const RMessage2& aMessage); |
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167 void PrepareScanResultsL(const RMessage2& aMessage); |
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168 void GetScanResultsL(const RMessage2& aMessage); |
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169 |
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170 private: // Internal utility functions |
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171 void SendEventToClientL( TMemScanEvent aEventType, TInt aError=KErrNone ); |
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172 void AddNewEventToBufferL( TMemScanEvent aEventType, TInt aError); |
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173 TBool IsEventReady() const; |
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174 void DeliverOldestEventToClientL(); |
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175 |
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176 private: //From MMsengUIHandler |
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177 void StartL(); |
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178 void QuitL(TInt aReason); |
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179 void ErrorL(TInt aError); |
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180 |
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181 private: // Member variables |
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182 CMseng* iMseng; |
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183 RMessagePtr2 iScanEventMessage; |
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184 RArray< TMemScanEventPackage > iEventBuffer; |
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185 CBufBase* iTransferBuffer; |
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186 }; |
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187 |
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188 |
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189 |
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190 #endif // __MEMSCANSERV_H__ |
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191 |
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192 // End of File |
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