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1 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #include <baksrv.h> |
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17 #include "Baksrvs.h" |
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18 #include <babackup.h> |
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19 #include <bafl/backup_std.h> |
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20 #include <basched.h> |
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21 #include <bsul/clientmessage.h> |
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22 #include "patchdata.h" |
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23 |
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24 extern const BSUL::TClientMessageServerData KServerData; |
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25 |
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26 const TInt KBakServMaxOperationTimerLoops = 3; // Number of iterations for base operation timer |
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27 |
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28 _LIT(KPanic,"BackupServer"); |
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29 // |
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30 // RMessage::Panic() also completes the message. This is: |
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31 // (a) important for efficient cleanup within the kernel |
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32 // (b) a problem if the message is completed a second time |
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33 // |
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34 void PanicClient(const RMessagePtr2& aMessage, TInt aPanic) |
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35 { |
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36 aMessage.Panic(KPanic,aPanic); |
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37 } |
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38 |
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39 |
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40 // |
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41 // class CShutdownServer |
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42 // |
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43 |
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44 NONSHARABLE_CLASS(CShutdownServer) : public CTimer |
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45 { |
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46 enum {KMyShutdownDelay=0x2000000}; // approx 2s |
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47 public: |
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48 inline CShutdownServer(); |
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49 inline void ConstructL(); |
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50 inline void Start(); |
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51 private: |
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52 void RunL(); |
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53 }; |
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54 |
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55 inline CShutdownServer::CShutdownServer() |
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56 :CTimer(-1) |
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57 { |
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58 CActiveScheduler::Add(this); |
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59 } |
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60 |
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61 inline void CShutdownServer::ConstructL() |
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62 { |
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63 CTimer::ConstructL(); |
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64 } |
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65 inline void CShutdownServer::Start() |
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66 { |
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67 After(KMyShutdownDelay); |
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68 } |
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69 |
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70 // |
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71 // Initiate server exit when the timer expires |
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72 // |
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73 void CShutdownServer::RunL() |
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74 { |
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75 CActiveScheduler::Stop(); |
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76 } |
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77 |
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78 |
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79 // |
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80 // class CBaServBackupScheduler |
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81 // |
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82 |
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83 EXPORT_C CBaServBackupScheduler::CBaServBackupScheduler() |
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84 { |
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85 } |
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86 |
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87 EXPORT_C CBaServBackupScheduler::~CBaServBackupScheduler() |
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88 { |
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89 } |
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90 |
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91 /** |
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92 * |
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93 * Set the error handler to aErrorHandler to the current scheduler. |
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94 * |
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95 * @param "CBaServBackupSession* aErrorHandler" |
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96 * The handler session. |
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97 */ |
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98 EXPORT_C void CBaServBackupScheduler::SetErrorHandler(CBaServBackupSession* aErrorHandler) |
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99 { |
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100 iErrorHandler=aErrorHandler; |
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101 } |
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102 |
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103 /** |
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104 * |
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105 * Handles the error aError. |
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106 * |
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107 * @param "TInt aError" |
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108 * The error. |
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109 */ |
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110 EXPORT_C void CBaServBackupScheduler::Error(TInt aError) const |
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111 { |
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112 if (iErrorHandler) |
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113 { |
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114 iErrorHandler->HandleError(aError); |
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115 } |
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116 else if (aError!=KLeaveWithoutAlert) |
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117 { |
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118 // Handling the in this way implies that ServiceL should not leave. |
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119 CActiveScheduler::Error(aError); |
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120 } |
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121 } |
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122 |
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123 /** |
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124 Class CBaServBackupSession::CReRegistrationTimer |
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125 */ |
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126 NONSHARABLE_CLASS(CBaServBackupSession::CReRegistrationTimer) : public CPeriodic |
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127 { |
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128 public: |
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129 static CReRegistrationTimer* NewL(TInt aPriority); |
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130 static TInt ReRegistrationTimerCallBack(TAny* aPtr); |
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131 |
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132 protected: |
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133 TInt RunError(TInt aError); |
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134 |
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135 private: |
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136 CReRegistrationTimer(TInt aPriority); |
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137 void HandleReRegistrationTimerCallBack(); |
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138 |
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139 public: |
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140 CBaBackupServer* iBackupServer; |
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141 }; |
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142 |
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143 /** |
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144 Class CBaBackupServer::CBaServCloseAllOperationTimer |
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145 */ |
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146 |
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147 NONSHARABLE_CLASS(CBaBackupServer::CBaServCloseAllOperationTimer): public CPeriodic |
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148 { |
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149 public: |
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150 static CBaServCloseAllOperationTimer* NewL(CBaBackupServer* aBackupServer); |
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151 void ConstructL(CBaBackupServer* aBackupServer); |
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152 ~CBaServCloseAllOperationTimer(); |
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153 void SetMessage(const RMessagePtr2& aPtr); |
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154 RMessagePtr2 Message(); |
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155 TInt GetOperationCount(); |
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156 void SetOperationCount(TInt aCount); |
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157 static TInt OperationTimerCallBack(TAny* aPtr); |
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158 protected: |
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159 TInt RunError(TInt aError); |
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160 private: |
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161 void HandleOperationTimerCallBack(); |
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162 CBaServCloseAllOperationTimer(); |
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163 private: |
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164 RMessagePtr2 iCloseAllFilesMessage; |
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165 TInt16 iOperationCount; |
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166 CBaBackupServer* iBackupServer; |
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167 }; |
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168 |
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169 // |
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170 // class CBaBackupServer |
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171 // |
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172 |
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173 /** |
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174 * |
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175 * Returns a pointer to <code>CBaBackupServer</code> object. |
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176 * |
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177 * @return "CBaBackupServer" |
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178 * A newly-constructed backup server object. |
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179 */ |
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180 EXPORT_C CBaBackupServer* CBaBackupServer::NewL() |
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181 { // static |
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182 CBaBackupServer* self=new(ELeave) CBaBackupServer(CActive::EPriorityStandard); |
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183 return self; |
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184 } |
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185 |
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186 /** |
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187 * |
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188 * Constructor. |
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189 * |
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190 * @param "TInt aPriority" |
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191 * The active object priority. |
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192 */ |
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193 EXPORT_C CBaBackupServer::CBaBackupServer(TInt aPriority) |
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194 : CServer2(aPriority) |
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195 {} |
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196 /** |
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197 * |
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198 * Destructor. |
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199 * |
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200 */ |
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201 EXPORT_C CBaBackupServer::~CBaBackupServer() |
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202 { |
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203 TDblQueIter<CSession2> iter(iSessionIter); |
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204 iter.SetToFirst(); |
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205 |
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206 for (CSession2* session=iter++; session!=NULL; session=iter++) |
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207 { |
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208 delete session; |
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209 } |
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210 delete iShutdown; |
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211 delete iExtension; |
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212 delete iCloseAllFilesOperationTimer; |
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213 } |
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214 |
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215 /** |
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216 * |
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217 * Completes the server construction by adding the server to the active scheduler and creating |
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218 * a <code>CShutdownServer</code> object. |
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219 * |
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220 */ |
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221 EXPORT_C void CBaBackupServer::ConstructL() |
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222 { |
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223 StartL(__BACKUP_SERVER_NAME_V2); |
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224 iExtension = new(ELeave) CBaBackupServerExt(); |
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225 iShutdown = new (ELeave) CShutdownServer; |
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226 iShutdown->ConstructL(); |
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227 // ensure that the server still exits even if the 1st client fails to connect |
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228 iShutdown->Start(); |
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229 iRegisteredFilesCount = 0; |
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230 iCloseAllFilesOperationTimer = CBaBackupServer::CBaServCloseAllOperationTimer::NewL(this); |
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231 iCloseAllOperationRunning = EFalse; |
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232 |
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233 //initialise the client message framework |
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234 BSUL::CClientMessage::InitialiseFrameworkL(KServerData); |
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235 } |
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236 |
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237 /** |
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238 * |
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239 * Sets the server to be busy with the aUniqueClientId client. |
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240 * |
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241 * @param "TUint32 aUniqueClientId" |
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242 * A unique client identifier. |
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243 */ |
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244 EXPORT_C void CBaBackupServer::SetBusy(TUint32 aUniqueClientId) |
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245 { |
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246 iExtension->iUniqueBusyClientId=aUniqueClientId; |
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247 } |
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248 |
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249 /** |
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250 * |
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251 * Returns <code>ETrue</code> if the client using the server is not the one identified by aUniqueClientId |
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252 * oterwise <code>EFalse</code> |
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253 * |
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254 * @param "TUint32 aUniqueClientId" |
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255 * A unique client identifier. |
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256 */ |
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257 EXPORT_C TBool CBaBackupServer::IsOtherClientBusy(TUint32 aUniqueClientId) const |
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258 { |
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259 return (iExtension->iUniqueBusyClientId!=0 && iExtension->iUniqueBusyClientId!=aUniqueClientId); |
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260 } |
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261 |
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262 /** |
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263 * |
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264 * Returns <code>ETrue</code> if the client using the server corresponds has aUniqueClientId as unique id |
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265 * oterwise <code>EFalse</code> |
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266 * |
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267 * @param "TUint32 aUniqueClientId" |
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268 * A unique client identifier id. |
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269 */ |
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270 EXPORT_C TBool CBaBackupServer::IsClientBusy(TUint32 aUniqueClientId) const |
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271 { |
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272 return ((iExtension->iUniqueBusyClientId==aUniqueClientId) || |
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273 ((iExtension->iCachedBusyClientId != 0) && (iExtension->iCachedBusyClientId == aUniqueClientId))); |
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274 } |
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275 |
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276 /** |
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277 * |
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278 * Handles the closing of all files by signaling the new file lock flag, aFlag, to all client. |
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279 * |
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280 * @param "MBackupObserver::TFileLockFlags aFlag" |
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281 * A file lock flag. |
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282 */ |
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283 EXPORT_C void CBaBackupServer::CloseAllFilesL(MBackupObserver::TFileLockFlags aFlag) |
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284 { |
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285 // Set the close all operation flag and the reregistration counter to zero |
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286 iCloseAllOperationRunning = ETrue; |
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287 iSessionLockReRegistrationCount = 0; |
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288 |
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289 // cleanup that calls RestartAll if required |
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290 TDblQueIter<CSession2> iter(iSessionIter); |
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291 iter.SetToFirst(); |
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292 |
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293 for (CSession2* session=iter++; session!=NULL; session=iter++) |
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294 { |
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295 static_cast<CBaServBackupSession*>(session)->SignalReleaseAllFileLocksL(aFlag); |
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296 } |
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297 } |
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298 |
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299 /** |
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300 * |
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301 * Signals to all clients of getting the lock of their respective files. |
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302 * |
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303 */ |
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304 EXPORT_C void CBaBackupServer::RestartAll() |
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305 { |
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306 TDblQueIter<CSession2> iter(iSessionIter); |
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307 iter.SetToFirst(); |
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308 |
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309 for (CSession2* session=iter++; session!=NULL; session=iter++) |
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310 { |
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311 static_cast<CBaServBackupSession*>(session)->SignalRetakeAllFileLocks(); |
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312 } |
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313 } |
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314 |
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315 /** |
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316 * |
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317 * Allows any subclass of <code>CBaBackupServer</code> of completing the closing of files. |
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318 * The server will lose the ownership of aClosedFiles object, which implies it is up to this virtual |
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319 * function to deal with it in order to avoid a memory leak. |
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320 * |
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321 * @param "CArrayFix<CBaServBackupSession::TClosedFile>* aClosedFiles" |
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322 * An array of closed files. |
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323 */ |
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324 EXPORT_C void CBaBackupServer::CompleteClosingFiles(CArrayFix<CBaServBackupSession::TClosedFile>* aClosedFiles) |
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325 { |
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326 delete aClosedFiles; |
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327 } |
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328 |
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329 /** |
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330 * |
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331 * Allows application framework backup code to check if all registerd files have beem updated |
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332 * |
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333 */ |
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334 EXPORT_C TBool CBaBackupServer::HaveAllCloseAllFilesClientsReRegistered() |
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335 { |
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336 return((iRegisteredFilesCount == iSessionLockReRegistrationCount) ? ETrue : EFalse); |
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337 } |
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338 |
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339 void CBaBackupServer::CloseFileL(MBackupObserver::TFileLockFlags aFlag,const TDesC& aFileName) |
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340 { |
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341 TDblQueIter<CSession2> iter(iSessionIter); |
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342 iter.SetToFirst(); |
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343 |
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344 for (CSession2* session=iter++; session!=NULL; session=iter++) |
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345 { |
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346 static_cast<CBaServBackupSession*>(session)->SignalReleaseFileLockL(aFlag,aFileName); |
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347 } |
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348 } |
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349 |
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350 void CBaBackupServer::RestartFile(const TDesC& aFileName) |
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351 { |
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352 TDblQueIter<CSession2> iter(iSessionIter); |
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353 iter.SetToFirst(); |
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354 |
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355 for (CSession2* session=iter++; session!=NULL; session=iter++) |
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356 { |
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357 static_cast<CBaServBackupSession*>(session)->SignalRetakeFileLocks(aFileName); |
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358 } |
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359 } |
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360 |
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361 /** |
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362 * |
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363 * Creates a server-side client <code>CBaServBackupSession</code> session object by checking first if |
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364 * the version of the server is compatible with the client. |
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365 * |
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366 * @param "const TVersion &aVersion" |
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367 * Version information supplied by the client. |
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368 */ |
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369 EXPORT_C CSession2* CBaBackupServer::NewSessionL(const TVersion &aVersion, const RMessage2& /*aMessage*/) const |
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370 { |
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371 TVersion ver(KBakServMajorVN,KBakServMinorVN,KBakServBuildVN); |
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372 if (!User::QueryVersionSupported(ver,aVersion)) |
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373 User::Leave(KErrNotSupported); |
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374 // |
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375 return CBaServBackupSession::NewL(); |
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376 } |
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377 |
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378 /** |
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379 * |
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380 * Signals to all clients the aBackupOperationAttributes. |
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381 * |
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382 * @param "const TBackupOperationAttributes& aBackupOperationAttributes" |
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383 * Backup operation attributes. |
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384 */ |
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385 EXPORT_C void CBaBackupServer::SignalBackupOperation(const TBackupOperationAttributes& aBackupOperationAttributes) |
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386 { |
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387 TDblQueIter<CSession2> iter(iSessionIter); |
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388 iter.SetToFirst(); |
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389 |
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390 for (CSession2* session=iter++; session!=NULL; session=iter++) |
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391 { |
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392 static_cast<CBaServBackupSession*>(session)->SignalBackupOperation(aBackupOperationAttributes); |
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393 } |
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394 // Cache session id if starting backup |
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395 if (aBackupOperationAttributes.iOperation == MBackupOperationObserver::EStart) |
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396 iExtension->iCachedBusyClientId = iExtension->iUniqueBusyClientId; |
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397 } |
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398 |
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399 void CBaBackupServer::AddSession() |
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400 { |
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401 iShutdown->Cancel(); |
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402 ++iSessionCount; |
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403 } |
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404 |
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405 void CBaBackupServer::DropSession() |
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406 { |
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407 if (--iSessionCount==0) |
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408 { |
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409 iShutdown->Start(); |
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410 } |
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411 } |
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412 |
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413 /* |
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414 * Check to see if a CloseAll opertation is in progress |
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415 * |
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416 */ |
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417 TBool CBaBackupServer::IsCloseAllOperationRunning() |
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418 { |
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419 return iCloseAllOperationRunning; |
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420 } |
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421 |
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422 /* |
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423 * Set value of IsCloseAllOperationRunning |
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424 * |
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425 */ |
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426 EXPORT_C void CBaBackupServer::SetCloseAllOperationRunningState(TBool aRunning) |
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427 { |
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428 iCloseAllOperationRunning = aRunning; |
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429 } |
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430 |
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431 /** |
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432 * |
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433 * This timer will only be created in cases of no derived backup server |
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434 * |
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435 */ |
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436 void CBaBackupServer::StartCloseAllFilesOperationTimer(const RMessagePtr2& aPtr) |
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437 { |
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438 // Store the CloseAll message in case we need to Complete on a timeout |
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439 iCloseAllFilesOperationTimer->SetMessage(aPtr); |
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440 |
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441 // If hardware use patchable constant if not default to 3 seconds |
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442 iCloseAllFilesOperationTimer->Start(KBaBackupCloseallFilesTimeout, KBaBackupCloseallFilesTimeout, TCallBack(CBaBackupServer::CBaServCloseAllOperationTimer::OperationTimerCallBack, iCloseAllFilesOperationTimer)); |
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443 } |
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444 |
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445 /** |
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446 * Handle an error from CBaServBackupSession::ServiceL() |
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447 * A bad descriptor error implies a badly programmed client, so panic it; |
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448 * otherwise report the error to the client |
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449 * |
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450 * @param "TInt aError" |
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451 * The error. |
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452 */ |
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453 EXPORT_C TInt CBaBackupServer::RunError(TInt aError) |
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454 { |
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455 if (aError==KErrBadDescriptor) |
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456 { |
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457 PanicClient(Message(), EBufferOverflow); |
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458 } |
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459 else |
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460 { |
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461 Message().Complete(aError); |
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462 } |
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463 // |
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464 // The leave will result in an early return from CServer::RunL(), skipping |
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465 // the call to request another message. So do that now in order to keep the |
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466 // server running. |
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467 ReStart(); |
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468 return KErrNone; // handled the error fully |
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469 } |
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470 |
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471 // |
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472 // class CBaBackupServer::CBaServCloseAllOperationTimer |
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473 // |
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474 |
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475 /** |
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476 @internalComponent |
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477 */ |
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478 CBaBackupServer::CBaServCloseAllOperationTimer* CBaBackupServer::CBaServCloseAllOperationTimer::NewL(CBaBackupServer* aBackupServer) |
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479 { // static |
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480 CBaBackupServer::CBaServCloseAllOperationTimer* self=new(ELeave) CBaBackupServer::CBaServCloseAllOperationTimer(); |
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481 CleanupStack::PushL(self); |
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482 self->ConstructL(aBackupServer); |
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483 CleanupStack::Pop(); // self |
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484 CActiveScheduler::Add(self); |
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485 return self; |
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486 } |
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487 |
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488 /** |
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489 @internalComponent |
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490 */ |
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491 |
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492 void CBaBackupServer::CBaServCloseAllOperationTimer::ConstructL(CBaBackupServer* aBackupServer) |
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493 { |
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494 CTimer::ConstructL(); |
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495 iBackupServer = aBackupServer; |
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496 iOperationCount = 0; |
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497 } |
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498 /** |
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499 @internalComponent |
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500 */ |
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501 |
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502 TInt CBaBackupServer::CBaServCloseAllOperationTimer::GetOperationCount() |
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503 { |
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504 return iOperationCount; |
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505 } |
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506 |
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507 /** |
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508 @internalComponent |
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509 */ |
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510 |
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511 void CBaBackupServer::CBaServCloseAllOperationTimer::SetOperationCount(TInt aCount) |
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512 { |
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513 iOperationCount = aCount; |
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514 } |
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515 |
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516 /** |
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517 @internalComponent |
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518 */ |
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519 |
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520 TInt CBaBackupServer::CBaServCloseAllOperationTimer::RunError(TInt aError) |
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521 { |
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522 if (aError==KLeaveWithoutAlert) |
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523 { |
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524 return KErrNone; |
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525 } |
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526 return aError; |
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527 } |
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528 |
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529 /** |
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530 @internalComponent |
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531 */ |
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532 CBaBackupServer::CBaServCloseAllOperationTimer::CBaServCloseAllOperationTimer() |
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533 : CPeriodic(CActive::EPriorityStandard) |
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534 { ; } |
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535 |
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536 /** |
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537 @internalComponent |
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538 */ |
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539 CBaBackupServer::CBaServCloseAllOperationTimer::~CBaServCloseAllOperationTimer() |
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540 { |
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541 if (IsActive()) |
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542 Cancel(); |
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543 } |
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544 |
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545 /** |
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546 @internalComponent |
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547 */ |
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548 void CBaBackupServer::CBaServCloseAllOperationTimer::SetMessage(const RMessagePtr2& aPtr) |
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549 { |
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550 iCloseAllFilesMessage = aPtr; |
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551 } |
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552 |
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553 /** |
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554 @internalComponent |
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555 */ |
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556 RMessagePtr2 CBaBackupServer::CBaServCloseAllOperationTimer::Message() |
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557 { |
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558 return iCloseAllFilesMessage; |
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559 } |
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560 |
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561 /** |
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562 @internalComponent |
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563 */ |
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564 TInt CBaBackupServer::CBaServCloseAllOperationTimer::OperationTimerCallBack(TAny* aPtr) |
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565 { // static |
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566 TRAP_IGNORE(REINTERPRET_CAST(CBaBackupServer::CBaServCloseAllOperationTimer*,aPtr)->HandleOperationTimerCallBack()); |
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567 return 0; |
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568 } |
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569 |
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570 /** |
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571 @internalComponent |
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572 */ |
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573 void CBaBackupServer::CBaServCloseAllOperationTimer::HandleOperationTimerCallBack() |
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574 { |
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575 TBool finished = iBackupServer->HaveAllCloseAllFilesClientsReRegistered(); |
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576 TInt retCode; |
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577 if (finished || (iOperationCount == KBakServMaxOperationTimerLoops)) |
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578 { |
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579 if (finished) |
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580 { |
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581 retCode = KErrNone; |
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582 } |
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583 else |
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584 { |
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585 retCode = KErrLocked; |
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586 } |
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587 |
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588 // One way or another CloseAll is finished at this point |
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589 iBackupServer->SetCloseAllOperationRunningState(EFalse); |
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590 |
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591 iCloseAllFilesMessage.Complete(retCode); |
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592 Cancel(); |
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593 } |
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594 else |
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595 { |
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596 iOperationCount++; |
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597 if (IsActive()) |
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598 { |
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599 Cancel(); |
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600 |
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601 // If hardware use patchable constant if not default to 3 seconds |
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602 Start(KBaBackupCloseallFilesTimeout, KBaBackupCloseallFilesTimeout, TCallBack(CBaBackupServer::CBaServCloseAllOperationTimer::OperationTimerCallBack,this)); |
|
603 } |
|
604 } |
|
605 } |
|
606 |
|
607 // |
|
608 // class CBaServBackupMessageQueue |
|
609 // |
|
610 |
|
611 inline CBaServBackupMessageQueue::TQueueItem::TQueueItem(HBufC* aFileName,TInt aOperation) |
|
612 : iFileName(aFileName), iOperation(aOperation) |
|
613 {} |
|
614 |
|
615 CBaServBackupMessageQueue* CBaServBackupMessageQueue::NewL() |
|
616 { // static |
|
617 CBaServBackupMessageQueue* self=new(ELeave) CBaServBackupMessageQueue(); |
|
618 return self; |
|
619 } |
|
620 |
|
621 CBaServBackupMessageQueue::~CBaServBackupMessageQueue() |
|
622 { |
|
623 const TInt count=iQueue.Count(); |
|
624 for (TInt ii=0;ii<count;ii++) |
|
625 { |
|
626 delete iQueue[ii].iFileName; |
|
627 } |
|
628 iQueue.Reset(); |
|
629 iQueue.Close(); |
|
630 } |
|
631 |
|
632 void CBaServBackupMessageQueue::AddItemL(const TDesC& aFileName,MBackupObserver::TFileLockFlags aFlag) |
|
633 { |
|
634 const TInt count=iQueue.Count(); |
|
635 for (TInt ii=0;ii<count;ii++) |
|
636 { |
|
637 TQueueItem& item=iQueue[ii]; |
|
638 if(aFileName.MatchF(*item.iFileName) == KErrNone) |
|
639 { |
|
640 if (item.iOperation==MBackupObserver::EReleaseLockReadOnly && aFlag==MBackupObserver::EReleaseLockNoAccess) |
|
641 { |
|
642 item.iOperation=MBackupObserver::EReleaseLockNoAccess; |
|
643 } |
|
644 else if (item.iOperation!=MBackupObserver::EReleaseLockNoAccess) |
|
645 { |
|
646 HBufC* file=aFileName.AllocLC(); |
|
647 TQueueItem item(file,aFlag); |
|
648 User::LeaveIfError(iQueue.Insert(item,ii)); |
|
649 CleanupStack::Pop(); // file |
|
650 } |
|
651 return; |
|
652 } |
|
653 } |
|
654 HBufC* file=aFileName.AllocLC(); |
|
655 HBufC* copy=aFileName.AllocLC(); |
|
656 TQueueItem item(file,aFlag); |
|
657 User::LeaveIfError(iQueue.Append(item)); |
|
658 item=TQueueItem(copy,-1); |
|
659 const TInt err=iQueue.Append(item); |
|
660 if (err!=KErrNone) |
|
661 { |
|
662 iQueue.Remove(iQueue.Count()-1); |
|
663 User::Leave(err); |
|
664 } |
|
665 CleanupStack::Pop(2); // copy, file |
|
666 } |
|
667 |
|
668 void CBaServBackupMessageQueue::AddItem(const TDesC& aFileName) |
|
669 { |
|
670 const TInt count=iQueue.Count(); |
|
671 for (TInt ii=0;ii<count;ii++) |
|
672 { |
|
673 TQueueItem& item=iQueue[ii]; |
|
674 if (aFileName.MatchF(*item.iFileName) == KErrNone && item.iOperation==-1) |
|
675 { |
|
676 item.iOperation=0; |
|
677 break; |
|
678 } |
|
679 } |
|
680 } |
|
681 |
|
682 TBool CBaServBackupMessageQueue::IsEmpty() const |
|
683 { |
|
684 return HeadIndex()==KErrNotFound; |
|
685 } |
|
686 |
|
687 void CBaServBackupMessageQueue::RemoveHead() |
|
688 { |
|
689 const TInt index=HeadIndex(); |
|
690 if (index!=KErrNotFound) |
|
691 { |
|
692 delete iQueue[index].iFileName; |
|
693 iQueue.Remove(index); |
|
694 iQueue.Compress(); |
|
695 } |
|
696 } |
|
697 |
|
698 void CBaServBackupMessageQueue::RemoveItem(const TDesC& aFileName) |
|
699 { |
|
700 const TInt count=iQueue.Count(); |
|
701 for (TInt ii=count-1;ii>=0;ii--) |
|
702 { |
|
703 const TQueueItem& item=iQueue[ii]; |
|
704 if (aFileName.MatchF(*item.iFileName) == KErrNone) |
|
705 { |
|
706 delete item.iFileName; |
|
707 iQueue.Remove(ii); |
|
708 iQueue.Compress(); |
|
709 } |
|
710 } |
|
711 } |
|
712 |
|
713 void CBaServBackupMessageQueue::GetHead(TDes& aFileName,MBackupObserver::TFileLockFlags& aFlag) const |
|
714 { |
|
715 aFileName.Zero(); |
|
716 const TInt index=HeadIndex(); |
|
717 if (index!=KErrNotFound) |
|
718 { |
|
719 const TQueueItem& item=iQueue[index]; |
|
720 aFileName=item.iFileName->Des(); |
|
721 aFlag=(MBackupObserver::TFileLockFlags)item.iOperation; |
|
722 } |
|
723 } |
|
724 |
|
725 TInt CBaServBackupMessageQueue::HeadIndex() const |
|
726 { |
|
727 TInt index=KErrNotFound; |
|
728 const TInt count=iQueue.Count(); |
|
729 for (TInt ii=0;ii<count;ii++) |
|
730 { |
|
731 const TQueueItem& item=iQueue[ii]; |
|
732 if (item.iOperation!=ENoOp) |
|
733 { |
|
734 index=ii; |
|
735 break; |
|
736 } |
|
737 } |
|
738 return index; |
|
739 } |
|
740 |
|
741 // |
|
742 // class CBaServBackupSession |
|
743 // |
|
744 |
|
745 CBaServBackupSession* CBaServBackupSession::NewL() |
|
746 { // static |
|
747 CBaServBackupSession* self=new(ELeave) CBaServBackupSession(); |
|
748 CleanupStack::PushL(self); |
|
749 self->ConstructL(); |
|
750 CleanupStack::Pop(); // self |
|
751 return self; |
|
752 } |
|
753 |
|
754 /** |
|
755 * |
|
756 * Constructor. |
|
757 * |
|
758 * @param "RThread aClient" |
|
759 * The client thread for which this server-side client session is being constructed. |
|
760 */ |
|
761 EXPORT_C CBaServBackupSession::CBaServBackupSession() |
|
762 : CSession2() |
|
763 { |
|
764 iUniqueClientId = (TUint32)this; |
|
765 } |
|
766 |
|
767 /** |
|
768 * |
|
769 * Destructor. |
|
770 * |
|
771 */ |
|
772 EXPORT_C CBaServBackupSession::~CBaServBackupSession() |
|
773 { |
|
774 CBaBackupServer* server=BackupServer(); |
|
775 if (server->IsClientBusy(iUniqueClientId)) |
|
776 { |
|
777 RestartAll(); |
|
778 if (server->IsBackupOperationRunning()) |
|
779 { |
|
780 TBackupOperationAttributes backupOpAtt(MBackupObserver::ETakeLock, MBackupOperationObserver::EAbort); |
|
781 server->SignalBackupOperation(backupOpAtt); |
|
782 server->SetBackupOperationRunning(EFalse); |
|
783 } |
|
784 server->SetBusy(0); |
|
785 } |
|
786 |
|
787 if (iFileLockObservers) |
|
788 { |
|
789 server->DecrementRegisteredFilesCount(iFileLockObservers->Count()); |
|
790 } |
|
791 |
|
792 delete iClosedFiles; |
|
793 delete iFileLockObservers; |
|
794 delete iReleasedFiles; |
|
795 delete iMessageQueue; |
|
796 delete iReRegistrationTimer; |
|
797 iReRegistrationTimer = 0; |
|
798 server->DropSession(); |
|
799 } |
|
800 |
|
801 /** |
|
802 * |
|
803 * Completes the session construction by creating a <code>CBaServBackupMessageQueue</code> object. |
|
804 * |
|
805 */ |
|
806 EXPORT_C void CBaServBackupSession::ConstructL() |
|
807 { |
|
808 iMessageQueue=CBaServBackupMessageQueue::NewL(); |
|
809 |
|
810 // Cannot set iBackupServer in CReRegistrationTimer at this point but must be done before call to Start |
|
811 iReRegistrationTimer=CBaServBackupSession::CReRegistrationTimer::NewL(CActive::EPriorityStandard); |
|
812 } |
|
813 |
|
814 /** |
|
815 * |
|
816 * Completes the construction of this <code>CBaServBackupSession</code> session by just doing a base call class. |
|
817 * It also notify the server that a new session has been created. |
|
818 * |
|
819 * @param "const CServer& aServer" |
|
820 * The server active object which is responsible for this session |
|
821 */ |
|
822 EXPORT_C void CBaServBackupSession::CreateL() |
|
823 { |
|
824 BackupServer()->AddSession(); |
|
825 } |
|
826 |
|
827 void CBaServBackupSession::SignalReleaseAllFileLocksL(MBackupObserver::TFileLockFlags aFlag) |
|
828 { |
|
829 CBaBackupServer* server=BackupServer(); |
|
830 if (iFileLockObservers) |
|
831 { |
|
832 const TInt count=iFileLockObservers->Count(); |
|
833 for (TInt ii=0;ii<count;ii++) |
|
834 { |
|
835 TFileName name=(*iFileLockObservers)[ii]; |
|
836 server->CloseFileL(aFlag,name); |
|
837 } |
|
838 } |
|
839 } |
|
840 |
|
841 void CBaServBackupSession::SignalRetakeAllFileLocks() |
|
842 { |
|
843 // CBaBackupServer* server=BackupServer(); |
|
844 if (iReleasedFiles) |
|
845 { |
|
846 const TInt count=iReleasedFiles->Count(); |
|
847 for (TInt ii=count-1;ii>=0;ii--) |
|
848 { |
|
849 TFileName name=(*iReleasedFiles)[ii]; |
|
850 // server->RestartFile(name); |
|
851 SignalRetakeFileLocks(name); |
|
852 } |
|
853 } |
|
854 } |
|
855 |
|
856 LOCAL_C void CleanupCloseFail(TAny* aPtr) |
|
857 { |
|
858 CDesCArray* array=REINTERPRET_CAST(CDesCArray*,aPtr); |
|
859 array->Delete(array->Count()-1); |
|
860 } |
|
861 |
|
862 void CBaServBackupSession::SignalReleaseFileLockL(MBackupObserver::TFileLockFlags aFlag,const TDesC& aFileName) |
|
863 { |
|
864 TInt pos; |
|
865 if (iFileLockObservers && iFileLockObservers->Find(aFileName,pos)==KErrNone) |
|
866 { |
|
867 if (iReleasedFiles==NULL) |
|
868 { |
|
869 iReleasedFiles=new(ELeave) CDesCArraySeg(1); |
|
870 } |
|
871 const TBool addedReleasedFile=iReleasedFiles->Find(aFileName,pos)!=KErrNone; |
|
872 if (addedReleasedFile) |
|
873 { |
|
874 iReleasedFiles->AppendL(aFileName); |
|
875 CleanupStack::PushL(TCleanupItem(CleanupCloseFail,iReleasedFiles)); |
|
876 } |
|
877 iMessageQueue->AddItemL(aFileName,aFlag); |
|
878 if (!iNotificationPullMsg.IsNull()) |
|
879 { |
|
880 iNotificationPullMsg.Complete(KErrNone); |
|
881 |
|
882 // Okay - if this is part of a CloseAll operation we need to kick off a ReRegistration timer |
|
883 if (BackupServer()->IsCloseAllOperationRunning()) |
|
884 { |
|
885 // Set backup server for the timer |
|
886 iReRegistrationTimer->iBackupServer = BackupServer(); |
|
887 |
|
888 // If hardware use patchable constant if not default to 3 seconds |
|
889 iReRegistrationTimer->Start(KBaBackupFileLockReRegistrationTimeout, KBaBackupFileLockReRegistrationTimeout, TCallBack(CBaServBackupSession::CReRegistrationTimer::ReRegistrationTimerCallBack, iReRegistrationTimer)); |
|
890 } |
|
891 |
|
892 } |
|
893 if (addedReleasedFile) |
|
894 { |
|
895 CleanupStack::Pop(); // CleanupCloseFail |
|
896 } |
|
897 } |
|
898 } |
|
899 |
|
900 void CBaServBackupSession::SignalRetakeFileLocks(const TDesC& aFileName) |
|
901 { |
|
902 if (iReleasedFiles) |
|
903 { |
|
904 const TInt count=iReleasedFiles->Count(); |
|
905 for (TInt ii=count-1;ii>=0;ii--) |
|
906 { |
|
907 TFileName name=(*iReleasedFiles)[ii]; |
|
908 if (name.MatchF(aFileName)==0) |
|
909 { |
|
910 iMessageQueue->AddItem(aFileName); |
|
911 if (!iNotificationPullMsg.IsNull()) |
|
912 { |
|
913 iNotificationPullMsg.Complete(KErrNone); |
|
914 } |
|
915 iReleasedFiles->Delete(ii); |
|
916 } |
|
917 } |
|
918 if (iReleasedFiles->Count()==0) |
|
919 { |
|
920 delete iReleasedFiles; |
|
921 iReleasedFiles=NULL; |
|
922 if (iClosedFiles==NULL && BackupServer()->IsClientBusy(iUniqueClientId)) |
|
923 { |
|
924 BackupServer()->SetBusy(0); |
|
925 } |
|
926 } |
|
927 } |
|
928 } |
|
929 |
|
930 /** |
|
931 * |
|
932 * Allows the session to handle the error. |
|
933 * |
|
934 * @param "TInt aError" |
|
935 * The error. |
|
936 */ |
|
937 EXPORT_C void CBaServBackupSession::HandleError(TInt aError) |
|
938 { |
|
939 if (aError==KLeaveWithoutAlert) |
|
940 { |
|
941 CBaServBackupScheduler::Current()->SetErrorHandler(NULL); |
|
942 } |
|
943 } |
|
944 |
|
945 void CBaServBackupSession::DoServiceL(TCompletionType& aCompleteType) |
|
946 { |
|
947 switch (iClientMessage->Function()) |
|
948 { |
|
949 case EBakOpCodeEventReady: |
|
950 { |
|
951 HandleEventReadyL(); |
|
952 aCompleteType = ECompleteAsync; |
|
953 } |
|
954 break; |
|
955 case EBakOpCodeStopNotifications: |
|
956 { |
|
957 StopNotifications(); |
|
958 } |
|
959 break; |
|
960 case EBakOpCodeGetEvent: |
|
961 GetEventL(); |
|
962 break; |
|
963 case EBakOpCodeCloseAllFiles: |
|
964 { |
|
965 aCompleteType = CloseAllFilesL(iClientMessage->Message()); |
|
966 } |
|
967 break; |
|
968 case EBakOpCodeRestartAll: |
|
969 RestartAll(); |
|
970 break; |
|
971 case EBakOpCodeCloseFile: |
|
972 CloseFileL(); |
|
973 break; |
|
974 case EBakOpCodeRestartFile: |
|
975 RestartFileL(); |
|
976 break; |
|
977 case EBakOpCodeNotifyLockChange: |
|
978 NotifyLockChangeL(); |
|
979 break; |
|
980 case EBakOpCodeNotifyLockChangeCancel: |
|
981 NotifyLockChangeCancelL(); |
|
982 break; |
|
983 case EBakOpCodeNotifyBackupOperation: |
|
984 NotifyBackupOperationL(); |
|
985 break; |
|
986 case EBakOpCodeCancelOutstandingBackupOperationEvent: |
|
987 { |
|
988 iBackupOperationObserverPresent = EFalse; |
|
989 if (!iBackupOperationMessagePtr.IsNull()) |
|
990 { |
|
991 GetBackupOperationEventL(iBackupOperationMessagePtr); |
|
992 iBackupOperationMessagePtr.Complete(KErrCancel); |
|
993 } |
|
994 } |
|
995 break; |
|
996 case EBakOpCodeGetBackupOperationState: |
|
997 GetBackupOperationStateL(); |
|
998 break; |
|
999 case EBakOpCodeBackupOperationEventReady: |
|
1000 BackupOperationEventReadyL(); |
|
1001 aCompleteType = ECompleteAsync; |
|
1002 break; |
|
1003 case EBakOpCodeGetBackupOperationEvent: |
|
1004 GetBackupOperationEventL(iClientMessage->Message()); |
|
1005 break; |
|
1006 case EBakOpCodeSetBackupOperationObserverIsPresent: |
|
1007 { |
|
1008 iBackupOperationObserverPresent = iClientMessage->GetIntL(0); |
|
1009 } |
|
1010 break; |
|
1011 default: |
|
1012 User::Leave(KErrNotSupported); |
|
1013 break; |
|
1014 } |
|
1015 } |
|
1016 |
|
1017 |
|
1018 /** |
|
1019 * |
|
1020 * Handles the servicing of client requests passed to the backup server. |
|
1021 * |
|
1022 * @param "const RMessage& aMessage" |
|
1023 * The message containing the client request. |
|
1024 */ |
|
1025 EXPORT_C void CBaServBackupSession::ServiceL(const RMessage2& aMessage) |
|
1026 { |
|
1027 |
|
1028 TCompletionType completionType = ECompleteSync; |
|
1029 |
|
1030 iClientMessage = BSUL::CClientMessage::NewL(aMessage); |
|
1031 |
|
1032 //Push iClientMessage onto the cleanupstack. Although an instance variable, |
|
1033 //the lifetime of the object is contained to this function so it needs to |
|
1034 //be pushed and popped here as it is not deleted in the destructor |
|
1035 CleanupStack::PushL(iClientMessage); |
|
1036 |
|
1037 //Validate the message |
|
1038 TRAPD(error, iClientMessage->ValidateL()); |
|
1039 |
|
1040 if(error == KErrNone) |
|
1041 { |
|
1042 TRAP(error, DoServiceL(completionType)); |
|
1043 } |
|
1044 |
|
1045 if(completionType == ECompleteSync) |
|
1046 { |
|
1047 if (error==KLeaveWithoutAlert) |
|
1048 { |
|
1049 CBaServBackupScheduler::Current()->SetErrorHandler(NULL); |
|
1050 } |
|
1051 else |
|
1052 { |
|
1053 iClientMessage->CompleteRequestL(error); |
|
1054 } |
|
1055 } |
|
1056 |
|
1057 //Pop and destroy message |
|
1058 CleanupStack::PopAndDestroy(iClientMessage); |
|
1059 iClientMessage = NULL; |
|
1060 } |
|
1061 |
|
1062 void CBaServBackupSession::HandleEventReadyL() |
|
1063 { |
|
1064 if (iReRegistrationTimer->IsActive()) |
|
1065 { // If timer is still active (ie not timed out) we need to increment the counter and cancel the timer |
|
1066 BackupServer()->IncrementFilesReRegistrationCount(); |
|
1067 iReRegistrationTimer->Cancel(); |
|
1068 } |
|
1069 // else timer is already inactive because it's expired |
|
1070 |
|
1071 if (iMessageQueue->IsEmpty()) |
|
1072 { |
|
1073 iNotificationPullMsg = iClientMessage->Message(); |
|
1074 } |
|
1075 else |
|
1076 { |
|
1077 iClientMessage->CompleteRequestL(KErrNone); |
|
1078 } |
|
1079 } |
|
1080 |
|
1081 const TInt KEventFileNameOffset=1; |
|
1082 |
|
1083 void CBaServBackupSession::GetEventL() |
|
1084 { |
|
1085 TFileName fileName; |
|
1086 MBackupObserver::TFileLockFlags fileFlag; |
|
1087 if(!iMessageQueue->IsEmpty()) |
|
1088 { |
|
1089 iMessageQueue->GetHead(fileName,fileFlag); |
|
1090 TBuf<KEventFileNameOffset> num; |
|
1091 num.Num((TInt)fileFlag); |
|
1092 |
|
1093 iClientMessage->WriteL(0,num,0); |
|
1094 |
|
1095 iClientMessage->WriteL(0,fileName,KEventFileNameOffset); |
|
1096 |
|
1097 iMessageQueue->RemoveHead(); |
|
1098 } |
|
1099 else |
|
1100 { |
|
1101 iClientMessage->PanicClient(KPanic,ENoEventToFetch); |
|
1102 User::Leave(KLeaveWithoutAlert); |
|
1103 } |
|
1104 } |
|
1105 |
|
1106 void CBaServBackupSession::CleanupCloseAllFiles(TAny* aPtr) |
|
1107 { // static |
|
1108 CBaServBackupSession* self=REINTERPRET_CAST(CBaServBackupSession*,aPtr); |
|
1109 delete self->iClosedFiles; |
|
1110 self->iClosedFiles=NULL; |
|
1111 self->BackupServer()->RestartAll(); |
|
1112 } |
|
1113 |
|
1114 /** |
|
1115 Asks the server to close all files. This function may leave in case the server is busy. |
|
1116 If the requesting client is the current busy client and it has already requested CloseAll, |
|
1117 this request will be ignored. |
|
1118 |
|
1119 @param aMessage The reference to the message containing the client request: file lock. |
|
1120 @leave KErrServerBusy if the requesting client is not the busy client. Plus other system-wide |
|
1121 errors. |
|
1122 */ |
|
1123 EXPORT_C TCompletionType CBaServBackupSession::CloseAllFilesL(const RMessage2& aMessage) |
|
1124 { |
|
1125 // Raise file lock notifications |
|
1126 TRAPD(err,DoCloseAllFilesL(aMessage)); |
|
1127 |
|
1128 if (err == KErrNone) |
|
1129 { |
|
1130 // Start timer to check all file locks re-registered before completing message |
|
1131 BackupServer()->StartCloseAllFilesOperationTimer(aMessage); |
|
1132 } |
|
1133 else |
|
1134 { |
|
1135 // If the error is that the same client has already requested CloseAll, ignore this request |
|
1136 // If not this error, recover the CloseAllOperationRunningState flag and leave with the error. |
|
1137 if (err != KErrAlreadyExists) |
|
1138 { |
|
1139 BackupServer()->SetCloseAllOperationRunningState(EFalse); |
|
1140 User::Leave(err); |
|
1141 } |
|
1142 } |
|
1143 |
|
1144 return ECompleteAsync; |
|
1145 } |
|
1146 |
|
1147 void CBaBackupServer::IncrementRegisteredFilesCount() |
|
1148 { |
|
1149 iRegisteredFilesCount++; |
|
1150 } |
|
1151 |
|
1152 void CBaBackupServer::DecrementRegisteredFilesCount(TInt aNumberFiles) |
|
1153 { |
|
1154 iRegisteredFilesCount = iRegisteredFilesCount - aNumberFiles; |
|
1155 } |
|
1156 |
|
1157 void CBaBackupServer::IncrementFilesReRegistrationCount() |
|
1158 { |
|
1159 iSessionLockReRegistrationCount++; |
|
1160 } |
|
1161 |
|
1162 /** |
|
1163 Function called by both base and derived backup sessions in order to start asynchronous |
|
1164 file lock notifications. |
|
1165 The requesting client is set to the current busy client. |
|
1166 |
|
1167 @leave KErrServerBusy if the requesting client is not the current busy client or the server |
|
1168 is under CloseAll operation. KErrAlreadyExists if the same client has sent CloseAll request. |
|
1169 Plus other system-wide errors. |
|
1170 */ |
|
1171 |
|
1172 EXPORT_C TCompletionType CBaServBackupSession::DoCloseAllFilesL(const RMessage2& /*aMessage*/) |
|
1173 { |
|
1174 CBaBackupServer* server=BackupServer(); |
|
1175 if (server->IsOtherClientBusy(iUniqueClientId)) |
|
1176 { |
|
1177 User::Leave(KErrServerBusy); |
|
1178 } |
|
1179 |
|
1180 if (BackupServer()->IsCloseAllOperationRunning()) |
|
1181 { |
|
1182 User::Leave(KErrAlreadyExists); |
|
1183 } |
|
1184 |
|
1185 CleanupStack::PushL(TCleanupItem(CleanupCloseAllFiles,this)); |
|
1186 if (iClosedFiles) |
|
1187 { |
|
1188 delete iClosedFiles; |
|
1189 iClosedFiles=NULL; |
|
1190 } |
|
1191 server->SetBusy(iUniqueClientId); |
|
1192 |
|
1193 MBackupObserver::TFileLockFlags fileFlag= |
|
1194 (MBackupObserver::TFileLockFlags)iClientMessage->GetIntL(0); |
|
1195 server->CloseAllFilesL(fileFlag); |
|
1196 |
|
1197 iClosedFiles=new(ELeave) CArrayFixSeg<CBaServBackupSession::TClosedFile>(1); |
|
1198 CBaServBackupScheduler::Current()->SetErrorHandler(this); |
|
1199 CleanupStack::Pop(); // CleanupCloseAllFiles |
|
1200 return ECompleteAsync; |
|
1201 } |
|
1202 |
|
1203 /** |
|
1204 * |
|
1205 * Asks the server to signal all clients of getting the lock of their respective files. |
|
1206 * |
|
1207 */ |
|
1208 EXPORT_C void CBaServBackupSession::RestartAll() |
|
1209 { |
|
1210 CBaBackupServer* server=BackupServer(); |
|
1211 if (server->IsClientBusy(iUniqueClientId)) |
|
1212 { |
|
1213 DoRestartAll(); |
|
1214 } |
|
1215 } |
|
1216 |
|
1217 void CBaServBackupSession::DoRestartAll() |
|
1218 { |
|
1219 CBaBackupServer* server=BackupServer(); |
|
1220 server->RestartAll(); |
|
1221 delete iReleasedFiles; |
|
1222 iReleasedFiles=NULL; |
|
1223 if (iClosedFiles) |
|
1224 { |
|
1225 CArrayFix<CBaServBackupSession::TClosedFile>* closedFiles=iClosedFiles; |
|
1226 iClosedFiles=NULL; |
|
1227 server->CompleteClosingFiles(closedFiles); // takes ownership of closedFiles immediately |
|
1228 } |
|
1229 } |
|
1230 |
|
1231 /** |
|
1232 Handle the client's request to close a file. |
|
1233 The request will be ignored if the requesting client the current busy client and the server is |
|
1234 under CloseAll operation. |
|
1235 |
|
1236 @leave KErrServerBusy if the server is busy with the other client, plus other system-wide errors. |
|
1237 */ |
|
1238 void CBaServBackupSession::CloseFileL() |
|
1239 { |
|
1240 CBaBackupServer* server=BackupServer(); |
|
1241 if (server->IsOtherClientBusy(iUniqueClientId)) |
|
1242 { |
|
1243 User::Leave(KErrServerBusy); |
|
1244 } |
|
1245 |
|
1246 if (! server->IsCloseAllOperationRunning()) |
|
1247 { |
|
1248 MBackupObserver::TFileLockFlags flag= |
|
1249 static_cast<MBackupObserver::TFileLockFlags>(iClientMessage->GetIntL(2)); |
|
1250 TFileName fileName; |
|
1251 GetFileNameL(fileName); |
|
1252 server->SetBusy(iUniqueClientId); |
|
1253 server->CloseFileL(flag,fileName); |
|
1254 } |
|
1255 } |
|
1256 |
|
1257 void CBaServBackupSession::RestartFileL() |
|
1258 { |
|
1259 TFileName fileName; |
|
1260 GetFileNameL(fileName); |
|
1261 BackupServer()->RestartFile(fileName); |
|
1262 } |
|
1263 |
|
1264 /** |
|
1265 Handles the client's request of notification of a file lock change. |
|
1266 |
|
1267 @leave KErrServerBusy if the server is under CloseAll operation, KLeaveWithoutAlert if the requested |
|
1268 file has been registered. Plus other system-wide errors. |
|
1269 */ |
|
1270 void CBaServBackupSession::NotifyLockChangeL() |
|
1271 { |
|
1272 if(BackupServer()->IsCloseAllOperationRunning()) |
|
1273 { |
|
1274 User::Leave(KErrServerBusy); |
|
1275 } |
|
1276 |
|
1277 TFileName fileName; |
|
1278 GetFileNameL(fileName); |
|
1279 if (iFileLockObservers==NULL) |
|
1280 { |
|
1281 iFileLockObservers=new(ELeave) CDesCArraySeg(1); |
|
1282 } |
|
1283 else |
|
1284 { |
|
1285 TInt pos; |
|
1286 if(iFileLockObservers->Find(fileName,pos)== KErrNone) |
|
1287 { |
|
1288 iClientMessage->PanicClient(KPanic,EReqAlreadyOutstanding); |
|
1289 User::Leave(KLeaveWithoutAlert); |
|
1290 } |
|
1291 } |
|
1292 iFileLockObservers->AppendL(fileName); |
|
1293 BackupServer()->IncrementRegisteredFilesCount(); |
|
1294 } |
|
1295 |
|
1296 LOCAL_C void RemoveFileName(CDesCArray& aArray,const TDesC& aFileName) |
|
1297 { |
|
1298 TInt pos; |
|
1299 if (aArray.Find(aFileName,pos)==KErrNone) |
|
1300 { |
|
1301 aArray.Delete(pos); |
|
1302 } |
|
1303 } |
|
1304 |
|
1305 void CBaServBackupSession::NotifyLockChangeCancelL() |
|
1306 { |
|
1307 TFileName fileName; |
|
1308 GetFileNameL(fileName); |
|
1309 if (iFileLockObservers) |
|
1310 { |
|
1311 RemoveFileName(*iFileLockObservers,fileName); |
|
1312 BackupServer()->DecrementRegisteredFilesCount(); |
|
1313 } |
|
1314 if (iReleasedFiles) |
|
1315 { |
|
1316 RemoveFileName(*iReleasedFiles,fileName); |
|
1317 } |
|
1318 iMessageQueue->RemoveItem(fileName); |
|
1319 } |
|
1320 |
|
1321 void CBaServBackupSession::GetFileNameL(TDes& aFileName) |
|
1322 { |
|
1323 //The verification of this parameter has already been handled |
|
1324 //by the CClientMessage class so we can safely read the value |
|
1325 iClientMessage->ReadL(1,aFileName); |
|
1326 } |
|
1327 |
|
1328 |
|
1329 void CBaServBackupSession::GetBackupOperationEventL(const RMessagePtr2& aPtr) |
|
1330 { |
|
1331 TPckg<TBackupOperationAttributes> backupOpAttPkg(iBackupOperationAttributes); |
|
1332 |
|
1333 aPtr.WriteL(0, backupOpAttPkg); |
|
1334 } |
|
1335 |
|
1336 void CBaServBackupSession::BackupOperationEventReadyL() |
|
1337 { |
|
1338 if (iBackupOperationObserverPresent) |
|
1339 { |
|
1340 iBackupOperationMessagePtr = iClientMessage->Message(); |
|
1341 } |
|
1342 else |
|
1343 { |
|
1344 iClientMessage->CompleteRequestL(KErrNone); |
|
1345 } |
|
1346 } |
|
1347 |
|
1348 void CBaServBackupSession::NotifyBackupOperationL() |
|
1349 { |
|
1350 CBaBackupServer* server=BackupServer(); |
|
1351 if (server->CBaBackupServer::IsOtherClientBusy(iUniqueClientId)) |
|
1352 { |
|
1353 User::Leave(KErrServerBusy); |
|
1354 } |
|
1355 TPckg<TBackupOperationAttributes> backupOpAttPkg(iBackupOperationAttributes); |
|
1356 |
|
1357 iClientMessage->ReadL(0,backupOpAttPkg); |
|
1358 |
|
1359 const TBool backupOperationRunning = ((iBackupOperationAttributes.iOperation==MBackupOperationObserver::EStart) ? ETrue : EFalse); |
|
1360 server->SetBackupOperationRunning(backupOperationRunning); |
|
1361 server->SetBusy(backupOperationRunning ? iUniqueClientId : 0); |
|
1362 server->SignalBackupOperation(iBackupOperationAttributes); |
|
1363 if (!iBackupOperationMessagePtr.IsNull()) |
|
1364 { |
|
1365 GetBackupOperationEventL(iBackupOperationMessagePtr); |
|
1366 iBackupOperationMessagePtr.Complete(KErrCancel); |
|
1367 } |
|
1368 } |
|
1369 |
|
1370 void CBaServBackupSession::GetBackupOperationStateL() |
|
1371 { |
|
1372 const TBool isRunning = BackupServer()->IsBackupOperationRunning(); |
|
1373 TPckgC<TBool> pkgObs(isRunning); |
|
1374 |
|
1375 iClientMessage->WriteL(0, pkgObs); |
|
1376 } |
|
1377 |
|
1378 void CBaServBackupSession::SignalBackupOperation(const TBackupOperationAttributes& aBackupOperationAttributes) |
|
1379 { |
|
1380 iBackupOperationAttributes = aBackupOperationAttributes; |
|
1381 if (!iBackupOperationMessagePtr.IsNull()) |
|
1382 { |
|
1383 TRAPD(err,GetBackupOperationEventL(iBackupOperationMessagePtr)); |
|
1384 iBackupOperationMessagePtr.Complete(err); |
|
1385 } |
|
1386 } |
|
1387 |
|
1388 void CBaServBackupSession::StopNotifications() |
|
1389 { |
|
1390 if(!iNotificationPullMsg.IsNull()) |
|
1391 {// complete the registration message |
|
1392 iNotificationPullMsg.Complete(KErrNone); |
|
1393 } |
|
1394 } |
|
1395 |
|
1396 /** |
|
1397 @internalComponent |
|
1398 */ |
|
1399 CBaServBackupSession::CReRegistrationTimer* CBaServBackupSession::CReRegistrationTimer::NewL(TInt aPriority) |
|
1400 { // static |
|
1401 CBaServBackupSession::CReRegistrationTimer* self=new(ELeave) CBaServBackupSession::CReRegistrationTimer(aPriority); |
|
1402 CleanupStack::PushL(self); |
|
1403 self->ConstructL(); |
|
1404 CleanupStack::Pop(); // self |
|
1405 CActiveScheduler::Add(self); |
|
1406 return self; |
|
1407 } |
|
1408 |
|
1409 /** |
|
1410 @internalComponent |
|
1411 */ |
|
1412 TInt CBaServBackupSession::CReRegistrationTimer::RunError(TInt aError) |
|
1413 { |
|
1414 if (aError==KLeaveWithoutAlert) |
|
1415 { |
|
1416 return KErrNone; |
|
1417 } |
|
1418 return aError; |
|
1419 } |
|
1420 |
|
1421 /** |
|
1422 @internalComponent |
|
1423 */ |
|
1424 CBaServBackupSession::CReRegistrationTimer::CReRegistrationTimer(TInt aPriority) |
|
1425 : CPeriodic(aPriority) |
|
1426 { } |
|
1427 |
|
1428 /** |
|
1429 @internalComponent |
|
1430 */ |
|
1431 TInt CBaServBackupSession::CReRegistrationTimer::ReRegistrationTimerCallBack(TAny* aPtr) |
|
1432 { // static |
|
1433 TRAP_IGNORE(REINTERPRET_CAST(CBaServBackupSession::CReRegistrationTimer*,aPtr)->HandleReRegistrationTimerCallBack()); |
|
1434 return 0; |
|
1435 } |
|
1436 |
|
1437 /** |
|
1438 @internalComponent |
|
1439 */ |
|
1440 void CBaServBackupSession::CReRegistrationTimer::HandleReRegistrationTimerCallBack() |
|
1441 { |
|
1442 iBackupServer->IncrementFilesReRegistrationCount(); |
|
1443 |
|
1444 if (IsActive()) |
|
1445 { |
|
1446 Cancel(); |
|
1447 } |
|
1448 } |
|
1449 |