1 /* |
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2 * Copyright (c) 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 "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 * |
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16 */ |
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17 |
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18 |
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19 #ifndef __FBFILEOPSERVER_H__ |
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20 #define __FBFILEOPSERVER_H__ |
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21 |
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22 #include <e32base.h> |
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23 #include <f32file.h> |
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24 #include "FBFileOpClientServer.h" |
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25 |
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26 // needed for creating server thread. |
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27 //const TUint KDefaultHeapSize=0x10000; |
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28 |
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29 // reasons for server panic |
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30 enum TMyPanic |
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31 { |
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32 EPanicBadDescriptor, |
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33 EPanicIllegalFunction |
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34 }; |
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35 |
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36 class CShutdown : public CTimer |
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37 { |
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38 enum {KMyShutdownDelay=0x200000}; // approx 2s |
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39 |
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40 public : |
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41 inline CShutdown(); |
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42 inline void ConstructL(); |
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43 inline void Start(); |
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44 |
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45 private : |
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46 void RunL(); |
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47 }; |
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48 |
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49 //********************************** |
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50 //CFBFileOpServer |
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51 //********************************** |
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52 /** |
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53 Our server class - an active object - and therefore derived ultimately from CActive. |
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54 It accepts requests from client threads and forwards |
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55 them to the client session to be dealt with. It also handles the creation |
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56 of the server-side client session. |
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57 */ |
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58 class CFBFileOpServer : public CServer2 |
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59 { |
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60 |
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61 public : |
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62 static CServer2* NewLC(); |
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63 void AddSession(); |
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64 void DropSession(); |
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65 |
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66 protected : |
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67 |
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68 private : |
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69 CFBFileOpServer(); |
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70 void ConstructL(); |
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71 CSession2* NewSessionL(const TVersion& aVersion, const RMessage2& aMessage) const; |
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72 |
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73 public : |
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74 |
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75 private : |
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76 TInt iSessionCount; |
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77 CShutdown iShutdown; |
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78 |
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79 }; |
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80 |
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81 //********************************** |
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82 //CRequestObserver |
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83 //********************************** |
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84 /** |
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85 This class is for monitoring asynchronous request |
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86 and for completing related RMessage2 object. |
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87 */ |
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88 class CRequestObserver : public CActive |
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89 { |
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90 public: |
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91 CRequestObserver( TInt aPriority ); |
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92 virtual ~CRequestObserver(); |
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93 |
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94 void StartWaiting( const RMessage2& aMsg ); |
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95 |
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96 private: |
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97 // from CActive |
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98 void RunL(); |
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99 void DoCancel(); |
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100 |
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101 private: |
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102 RMessage2 iMsg; |
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103 }; |
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104 |
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105 |
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106 //********************************** |
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107 //CFBFileOpServerSession |
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108 //********************************** |
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109 /** |
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110 This class represents a session with the server. |
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111 Functions are provided to respond appropriately to client messages. |
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112 */ |
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113 class CFBFileOpServerSession : public CSession2, |
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114 public MFileManObserver |
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115 { |
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116 |
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117 public : |
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118 CFBFileOpServerSession(); |
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119 |
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120 private: // From MFileManObserver |
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121 |
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122 TControl NotifyFileManStarted(); |
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123 TControl NotifyFileManOperation(); |
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124 TControl NotifyFileManEnded(); |
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125 |
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126 protected : |
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127 // panic the client |
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128 void PanicClient(const RMessage2& aMessage,TInt aPanic) const; |
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129 |
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130 private : |
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131 ~CFBFileOpServerSession(); |
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132 inline CFBFileOpServer& Server(); |
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133 void CreateL(); |
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134 |
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135 //service requests |
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136 void ServiceL(const RMessage2& aMessage); |
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137 void DispatchMessageL(const RMessage2& aMessage, TBool& aComplete); |
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138 |
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139 void CopyL(const RMessage2& aMessage); |
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140 void RenameL(const RMessage2& aMessage); |
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141 void AttribsL(const RMessage2& aMessage); |
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142 void RmDirL(const RMessage2& aMessage, TBool& aComplete); |
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143 void DeleteL(const RMessage2& aMessage); |
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144 void MkDirAllL(const RMessage2& aMessage); |
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145 void CreateEmptyFileL(const RMessage2& aMessage); |
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146 void EraseMBRL(const RMessage2& aMessage); |
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147 void PartitionDriveL(const RMessage2& aMessage); |
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148 |
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149 void ServiceError(const RMessage2& aMessage, TInt aError); |
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150 |
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151 void CancelOp(); |
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152 |
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153 private : |
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154 RFs iFs; |
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155 RFile iFile; |
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156 CFileMan* iFileMan; |
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157 MFileManObserver::TControl iFileManObserverResult; |
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158 CRequestObserver* iReqObserver; |
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159 }; |
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160 |
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161 |
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162 //********************************** |
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163 //Inlines |
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164 //********************************** |
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165 |
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166 inline CShutdown::CShutdown() |
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167 :CTimer(-1) |
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168 {CActiveScheduler::Add(this);} |
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169 |
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170 inline void CShutdown::ConstructL() |
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171 {CTimer::ConstructL();} |
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172 |
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173 inline void CShutdown::Start() |
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174 {After(KMyShutdownDelay);} |
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175 |
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176 inline CFBFileOpServer::CFBFileOpServer() |
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177 :CServer2(0,ESharableSessions) |
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178 {} |
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179 |
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180 inline CFBFileOpServerSession::CFBFileOpServerSession() |
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181 {} |
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182 |
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183 inline CFBFileOpServer& CFBFileOpServerSession::Server() |
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184 {return *static_cast<CFBFileOpServer*>(const_cast<CServer2*>(CSession2::Server()));} |
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185 |
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186 #endif |
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