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1 // Copyright (c) 2004-2009 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 "obsrvr_noc.h" |
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17 #include "panic.h" |
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18 #include "shrepos.h" |
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19 #include "srvrepos_noc.h" |
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20 #include "log.h" |
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21 #include "cachemgr.h" |
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22 |
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23 #define TRAP_UNIFIED(_unifiedLeave, _function) \ |
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24 { \ |
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25 TInt _returnValue = 0; \ |
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26 TRAP(_unifiedLeave, _returnValue = _function); \ |
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27 TInt& __rref = _unifiedLeave; \ |
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28 __rref = _unifiedLeave | _returnValue; \ |
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29 } |
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30 |
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31 CObservable::~CObservable() |
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32 { |
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33 iObservers.Close(); |
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34 // cleanup owned objects if there's any left |
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35 iOpenRepositories.ResetAndDestroy(); |
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36 iRepositoryInfo.ResetAndDestroy(); |
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37 #ifdef SYMBIAN_CENTREP_SUPPORT_MULTIROFS |
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38 TInt multiRofsUidCount=iMultiRofsUidList.Count(); |
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39 for (TInt i=0;i<multiRofsUidCount;i++) |
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40 { |
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41 iMultiRofsUidList[i].iMountFlagList.Close(); |
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42 } |
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43 iMultiRofsUidList.Close(); |
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44 #endif |
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45 } |
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46 |
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47 CObservable* CObservable::NewLC() |
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48 { |
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49 CObservable* self = new(ELeave) CObservable; |
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50 CleanupStack::PushL(self); |
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51 #ifdef SYMBIAN_CENTREP_SUPPORT_MULTIROFS |
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52 self->ConstructL(); |
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53 #endif |
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54 return self; |
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55 } |
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56 |
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57 void CObservable::AddObserverL(TUid aUid, CServerRepository* aRepositoryPointer) |
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58 { |
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59 TRepositoryObserverInfo info; |
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60 |
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61 info.iRepositoryUid = aUid; |
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62 info.iRepositoryPointer = aRepositoryPointer; |
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63 |
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64 TLinearOrder<TRepositoryObserverInfo> observerSortOrder(CObservable::ObserverSortOrder); |
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65 TInt err = iObservers.InsertInOrder(info, observerSortOrder); |
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66 if ((err != KErrNone)&&(err != KErrAlreadyExists)) |
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67 { |
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68 User::Leave(err); |
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69 } |
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70 } |
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71 |
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72 void CObservable::RemoveObserver(TUid aUid, CServerRepository* aRepositoryPointer, TInt aInMemoryIndex) |
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73 { |
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74 TRepositoryObserverInfo info; |
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75 |
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76 info.iRepositoryUid = aUid; |
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77 info.iRepositoryPointer = aRepositoryPointer; |
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78 |
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79 TLinearOrder<TRepositoryObserverInfo> observerSortOrder(CObservable::ObserverSortOrder); |
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80 |
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81 TInt i = iObservers.FindInOrder(info, observerSortOrder); |
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82 if (i!=KErrNotFound) |
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83 { |
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84 // we remove the observer we find listening on the repository |
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85 iObservers.Remove(i); |
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86 if (iObservers.SpecificFindInSignedKeyOrder(info, EArrayFindMode_Any)!=KErrNotFound) |
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87 { |
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88 //if there are more |
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89 __CENTREP_TRACE1("CENTREP: Observer Removed when closing repository %x", aUid); |
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90 } |
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91 else |
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92 { |
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93 // removed the last observer with the given uid |
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94 // if the repository is in memory, try evicting it |
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95 if (aInMemoryIndex>=0) |
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96 { |
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97 // Check cache size and carry out forced eviction if necessary |
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98 // Start Eviction if the repository fits in the cache |
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99 if (TServerResources::iCacheManager->Enabled()&& |
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100 TServerResources::iCacheManager->StartEviction(GetOpenRepository(aInMemoryIndex))) |
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101 { |
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102 // Repository added to the idle list in eviction order |
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103 __CENTREP_TRACE2("CENTREP: Repository Became Idle when closing repository %x size %d", aUid, GetOpenRepository(aInMemoryIndex)->Size()); |
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104 } |
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105 else |
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106 { |
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107 __CENTREP_TRACE1("CENTREP: Repository Delete when closing repository %x", aUid); |
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108 // Remove and Delete Open Repository |
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109 delete iOpenRepositories[aInMemoryIndex]; |
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110 iOpenRepositories.Remove(aInMemoryIndex); |
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111 } |
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112 } |
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113 // if no clients are connected on this repository, we no longer need the transaction information |
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114 RemoveSharedRepositoryInfo(aUid); |
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115 } |
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116 } |
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117 } |
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118 |
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119 void CObservable::Notify(TUid aUid, TUint32 aVal) const |
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120 { |
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121 TInt i = FindConnectedRepository(aUid); |
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122 if (i != KErrNotFound) |
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123 { |
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124 for(;(i<iObservers.Count())&&(iObservers[i].iRepositoryUid == aUid);i++) |
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125 { |
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126 iObservers[i].iRepositoryPointer->Notifier()->Notify(aVal); |
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127 } |
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128 } |
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129 } |
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130 |
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131 TInt CObservable::FindConnectedRepository(TUid aUid) const |
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132 { |
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133 TRepositoryObserverInfo info; |
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134 info.iRepositoryUid = aUid; |
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135 |
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136 return iObservers.SpecificFindInSignedKeyOrder(info, EArrayFindMode_First); |
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137 } |
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138 |
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139 #ifdef CACHE_OOM_TESTABILITY |
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140 void CObservable::Reset() |
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141 { |
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142 iObservers.Reset(); |
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143 iOpenRepositories.Reset(); |
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144 iRepositoryInfo.Reset(); |
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145 } |
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146 |
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147 void CObservable::CloseiOpenRepositories() |
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148 { |
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149 for(TInt i=iOpenRepositories.Count()-1; i>=0; i--) |
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150 { |
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151 delete iOpenRepositories[i]; |
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152 iOpenRepositories.Remove(i); |
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153 } |
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154 ASSERT(iOpenRepositories.Count()==0); |
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155 iOpenRepositories.Close(); |
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156 } |
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157 |
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158 void CObservable::CloseiRepositoryInfo() |
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159 { |
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160 for(TInt i=iRepositoryInfo.Count()-1; i>=0; i--) |
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161 { |
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162 delete iRepositoryInfo[i]; |
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163 iRepositoryInfo.Remove(i); |
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164 } |
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165 ASSERT(iRepositoryInfo.Count()==0); |
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166 iRepositoryInfo.Close(); |
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167 } |
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168 |
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169 #endif |
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170 |
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171 /** |
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172 This function compares two UID's and indicates their sorting order. This |
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173 implementation avoids overflow problems inherent in 'return aUid1-aUid2' |
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174 implementations. |
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175 */ |
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176 TInt CObservable::CompareTUidValues(TInt aUid1, TInt aUid2) |
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177 { |
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178 if (aUid1 > aUid2) |
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179 return 1; |
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180 if (aUid1 < aUid2) |
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181 return -1; |
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182 return 0; |
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183 } |
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184 |
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185 |
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186 TInt CObservable::ObserverSortOrder(const TRepositoryObserverInfo &aRepository1, const TRepositoryObserverInfo &aRepository2) |
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187 { |
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188 TInt result; |
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189 |
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190 result = CompareTUidValues(aRepository1.iRepositoryUid.iUid, aRepository2.iRepositoryUid.iUid); |
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191 if (result == 0) |
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192 { |
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193 if (aRepository1.iRepositoryPointer > aRepository2.iRepositoryPointer) |
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194 return 1; |
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195 if (aRepository1.iRepositoryPointer < aRepository2.iRepositoryPointer) |
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196 return -1; |
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197 } |
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198 |
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199 return result; |
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200 } |
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201 |
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202 void CObservable::RemoveOpenRepository(CSharedRepository* aRepository) |
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203 { |
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204 TInt index = iOpenRepositories.Find(aRepository); |
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205 |
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206 if (index>=0) |
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207 { |
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208 // we don't fail any transactions here anymore, because transactions can now survive NOC repository |
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209 // unloads. The shared information about transactions is kept in memory seperately as long as a |
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210 // client is connected. |
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211 iOpenRepositories.Remove(index); |
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212 delete aRepository; |
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213 } |
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214 } |
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215 |
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216 TInt CObservable::FindOpenRepository(TUid aUid) const |
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217 { |
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218 TInt i; |
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219 TInt count=iOpenRepositories.Count(); |
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220 for(i=count-1; i>=0; i--) |
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221 { |
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222 if(iOpenRepositories[i]->Uid()==aUid) |
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223 { |
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224 break; |
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225 } |
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226 } |
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227 return i; |
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228 } |
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229 |
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230 TInt CObservable::ReadIniFileL(CSharedRepository*& aRepository, TCentRepLocation aLocation) |
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231 { |
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232 TInt r=KErrNone; |
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233 CIniFileIn* inifile = 0; |
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234 |
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235 HBufC* fileName(NULL); |
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236 //allocates memory on the heap |
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237 TServerResources::CreateRepositoryFileNameLC(fileName, aRepository->Uid(), aLocation, EIni); |
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238 r = CIniFileIn::NewLC(TServerResources::iFs,inifile,*fileName); |
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239 if(r==KErrNone) |
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240 { |
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241 r=ReadSettingsL(inifile, aRepository); |
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242 if(r==KErrCorrupt) |
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243 { |
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244 // File is corrupt, if it's not the ROM file, delete it |
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245 if(fileName && aLocation != ERom) |
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246 User::LeaveIfError(TServerResources::iFs.Delete(*fileName)); |
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247 // Delete any repository settings that may have been read in |
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248 aRepository->GetSettings().Reset(); |
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249 } |
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250 } |
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251 |
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252 CleanupStack::PopAndDestroy(inifile); // inifile |
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253 CleanupStack::PopAndDestroy(fileName); // filename |
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254 return r; |
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255 } |
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256 |
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257 #ifdef SYMBIAN_CENTREP_SUPPORT_MULTIROFS |
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258 |
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259 // Function to compare two TMultiRofsList's. |
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260 TInt CObservable::CompareUid(const TMultiRofsList& aUid1, const TMultiRofsList& aUid2) |
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261 { |
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262 if (aUid1.iRepUid.iUid < aUid2.iRepUid.iUid) |
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263 return -1 ; |
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264 if (aUid1.iRepUid.iUid > aUid2.iRepUid.iUid) |
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265 return 1 ; |
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266 return 0 ; |
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267 } |
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268 |
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269 void CObservable::ConstructL() |
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270 { |
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271 //now search for repositories uid that might be composed of multi rofs |
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272 #ifndef CENTREP_CONV_TOOL |
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273 if (TServerResources::iRomDirectory) |
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274 { |
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275 TFileName searchFileFormat; |
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276 searchFileFormat.Append(*(TServerResources::iRomDirectory)); |
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277 searchFileFormat.Append(_L("????????.???[*-00]")); |
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278 CDir* entryList=NULL; |
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279 User::LeaveIfError(TServerResources::iFs.GetDir(searchFileFormat,KEntryAttNormal,ESortByName,entryList)); |
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280 CleanupStack::PushL(entryList); |
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281 ProcessMultiRofsListL(*entryList); |
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282 CleanupStack::PopAndDestroy(entryList); |
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283 } |
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284 #endif |
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285 } |
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286 |
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287 void CObservable::ProcessMultiRofsListL(const CDir& aList) |
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288 { |
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289 TLex parser; |
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290 TUint32 uidNum; |
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291 TUint8 mountId; |
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292 TLinearOrder<TMultiRofsList> reposSortOrder(CompareUid); |
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293 TInt count=aList.Count(); |
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294 iMultiRofsUidList.ReserveL(count); |
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295 for (TInt i=0;i<count;i++) |
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296 { |
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297 //file format as following XXXXYYYY.<cre/txt>[id-00] |
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298 //Extract the Uid first |
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299 parser.Assign(aList[i].iName.Left(8)); |
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300 User::LeaveIfError(parser.Val(uidNum,EHex)); |
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301 |
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302 //Extract the Mount id now, see the file format above |
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303 parser.Assign(aList[i].iName.Mid(13,2)); |
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304 User::LeaveIfError(parser.Val(mountId,EHex)); |
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305 |
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306 //Now find whether this uid is already in the list |
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307 TMultiRofsList find(TUid::Uid(uidNum)); |
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308 //passing it the extension of the file |
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309 TRofsFlag newFlag(aList[i].iName.Mid(9,3),mountId); |
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310 |
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311 TInt err=iMultiRofsUidList.FindInOrder(find,reposSortOrder); |
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312 if (err==KErrNotFound) |
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313 { |
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314 //new entry |
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315 TMultiRofsList newEntry(TUid::Uid(uidNum)); |
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316 newEntry.iMountFlagList.AppendL(newFlag); |
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317 iMultiRofsUidList.InsertInOrderL(newEntry,reposSortOrder); |
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318 } |
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319 else |
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320 { |
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321 //entry exist, just need to update the array inside TMultiRofsList |
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322 err=iMultiRofsUidList[err].iMountFlagList.InsertInOrder(newFlag,TRofsFlag::CompareFlag); |
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323 //ignore KErrAlreadyExists which might be the case if a txt and cre found on the same |
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324 //rofs but the cre is preferred. |
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325 if (err!=KErrNone && err!=KErrAlreadyExists) |
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326 { |
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327 User::Leave(err); |
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328 } |
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329 } |
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330 } |
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331 } |
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332 |
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333 |
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334 void CObservable::OverrideSettingL(TServerSetting& aBaseSetting,const TServerSetting& aOvSetting,CSharedRepository* aCoreRepository,TBool aNewOv,TBool aNewOvIndivPolicy) |
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335 { |
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336 TUint32 ovId=aOvSetting.Key(); |
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337 |
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338 //---------------------CHECK AND SET THE META---------------------------- |
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339 TBool indivOvMeta=aOvSetting.IsIndividualMeta()!=0; |
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340 //if individually specified meta override this |
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341 if (indivOvMeta) |
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342 { |
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343 aBaseSetting.SetMeta(aOvSetting.Meta()); |
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344 } |
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345 //if not specified only when it is new we set it from the default meta |
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346 else |
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347 { |
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348 if (aNewOv) |
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349 aCoreRepository->SetMetaDataOnRead(aBaseSetting,EFalse); |
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350 } |
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351 |
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352 //----------------------CHECK AND SET THE PLATSEC---------------------------- |
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353 TLinearOrder<TSettingsAccessPolicy> order(&CHeapRepository::CompareKeyIds); |
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354 TSettingsAccessPolicy* ovTs=aOvSetting.AccessPolicy(); |
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355 TSettingsAccessPolicy* coreTs=aCoreRepository->GetFallbackAccessPolicy(ovId,ETrue); |
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356 //new setting defined |
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357 if (aNewOv) |
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358 { |
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359 //specify own settings |
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360 if (aNewOvIndivPolicy) |
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361 { |
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362 TSettingsAccessPolicy* newPol=new (ELeave)TSettingsAccessPolicy(*(const_cast<TSecurityPolicy*> |
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363 (aOvSetting.GetReadAccessPolicy())),*(const_cast<TSecurityPolicy*>(aOvSetting.GetWriteAccessPolicy())),ovId,ovTs->HighKey(),ovTs->KeyMask()); |
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364 CleanupStack::PushL(newPol); |
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365 //for single setting policy, the highkey is used to indicate whether the setting define its own read policy or it is just a fallback |
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366 if (ovTs->HighKey()==0) |
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367 { |
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368 newPol->iReadAccessPolicy=*(coreTs->GetReadAccessPolicy()); |
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369 } |
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370 //for single setting policy, the keymask is used to indicate whether the setting define its own write policy or it is just a fallback |
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371 if (ovTs->KeyMask()==0) |
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372 { |
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373 newPol->iWriteAccessPolicy=*(coreTs->GetWriteAccessPolicy()); |
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374 } |
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375 //insert the new one and set the setting policy to point to this |
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376 aCoreRepository->iSimRep->SinglePolicyArray().InsertInOrderL(newPol,order); |
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377 aBaseSetting.SetAccessPolicy(newPol); |
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378 CleanupStack::Pop(newPol); |
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379 } |
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380 //no individual setting policy specified so revert to the default policy in the base |
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381 else |
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382 { |
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383 aBaseSetting.SetAccessPolicy(coreTs); |
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384 } |
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385 } |
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386 //old setting |
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387 else |
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388 { |
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389 //if no individual policy specified do nothing as this keeps what we have in the base setting |
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390 if (aNewOvIndivPolicy) |
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391 { |
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392 TInt baseIndividualPol=aCoreRepository->iSimRep->SinglePolicyArray().Find(aBaseSetting.AccessPolicy()); |
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393 if (baseIndividualPol==KErrNotFound) |
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394 { |
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395 //no base individual but overriding specify one so create one and insert into list |
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396 //point the old base setting to this newly defined invididual setting |
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397 TSettingsAccessPolicy* newPol=new (ELeave)TSettingsAccessPolicy(*(const_cast<TSecurityPolicy*> |
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398 (aOvSetting.GetReadAccessPolicy())),*(const_cast<TSecurityPolicy*>(aOvSetting.GetWriteAccessPolicy())),ovId,ovTs->HighKey(),ovTs->KeyMask()); |
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399 CleanupStack::PushL(newPol); |
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400 //for single setting policy, the highkey is used to indicate whether the setting define its own read policy or it is just a fallback |
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401 if (ovTs->HighKey()==0) |
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402 { |
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403 newPol->iReadAccessPolicy=*(coreTs->GetReadAccessPolicy()); |
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404 } |
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405 //for single setting policy, the keymask is used to indicate whether the setting define its own write policy or it is just a fallback |
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406 if (ovTs->KeyMask()==0) |
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407 { |
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408 newPol->iWriteAccessPolicy=*(coreTs->GetWriteAccessPolicy()); |
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409 } |
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410 //insert the new one and set the setting policy to point to this |
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411 aCoreRepository->iSimRep->SinglePolicyArray().InsertInOrderL(newPol,order); |
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412 aBaseSetting.SetAccessPolicy(newPol); |
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413 CleanupStack::Pop(newPol); |
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414 } |
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415 else |
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416 { |
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417 TSettingsAccessPolicy* oldPol=aBaseSetting.AccessPolicy(); |
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418 //existing individual already exist, just update them |
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419 //for single setting policy, the highkey is used to indicate whether the setting define its own read policy or it is just a fallback |
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420 if (ovTs->HighKey()!=0) |
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421 { |
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422 oldPol->iReadAccessPolicy=*(aOvSetting.GetReadAccessPolicy()); |
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423 } |
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424 //for single setting policy, the keymask is used to indicate whether the setting define its own write policy or it is just a fallback |
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425 if (ovTs->KeyMask()!=0) |
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426 { |
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427 oldPol->iWriteAccessPolicy=*(aOvSetting.GetWriteAccessPolicy()); |
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428 } |
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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 //---------------------SET THE VALUE--------------------------------------- |
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434 //override the value only if it is a new setting or an old setting with value modified |
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435 if (aNewOv || (!aNewOv && aBaseSetting!=aOvSetting)) |
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436 User::LeaveIfError(aBaseSetting.CopyTypeValue(aOvSetting)); |
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437 |
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438 //need to set it clean as this is still ROM settings |
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439 aBaseSetting.SetClean(); |
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440 } |
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441 |
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442 //Function containing the rule of merging repositories to a core repository |
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443 //such as -ignoring of the global properties(non-overriden) |
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444 // -type cannot be overriden |
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445 void CObservable::MergeRepositoryL(CSharedRepository* aCoreRepository,CHeapRepository* aOverrideRepository) |
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446 { |
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447 /** |
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448 We may want to verify that the following global properties match |
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449 -OwnerUid |
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450 -Uid |
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451 We may want to give warning if they try to have global propertie section in the overriding layers |
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452 although this obviously now can be ignored now, just need to make sure that repository follows the format |
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453 and not corrupted |
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454 */ |
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455 TSettingsAccessPolicy defaultTs=aOverrideRepository->GetDefaultAccessPolicy(); |
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456 //lets panic first on debug mode only |
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457 //here we panic immediately if there is any defined in the range meta/policy(we can check individually if |
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458 //they do override later on,we will assume any definiton of global policy is invalid here |
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459 if ( aOverrideRepository->Owner() != aCoreRepository->iSimRep->Owner() |
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460 || (aOverrideRepository->DefaultMeta()!=0 && aOverrideRepository->DefaultMeta()!= aCoreRepository->iSimRep->DefaultMeta()) |
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461 || (defaultTs.HighKey()!=0 && aOverrideRepository->GetDefaultReadAccessPolicy().Package() != aCoreRepository->iSimRep->GetDefaultReadAccessPolicy().Package()) |
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462 || (defaultTs.KeyMask()!=0 && aOverrideRepository->GetDefaultWriteAccessPolicy().Package()!= aCoreRepository->iSimRep->GetDefaultWriteAccessPolicy().Package()) |
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463 || (aOverrideRepository->RangeMetaArray().Count()!=0 && !(aCoreRepository->iSimRep->RangeMetaArray().IsEqual(aOverrideRepository->RangeMetaArray()))) |
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464 || (aOverrideRepository->RangePolicyArray().Count()!=0 && !(aCoreRepository->iSimRep->RangePolicyArray().IsEqual(aOverrideRepository->RangePolicyArray()) |
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465 ))) |
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466 { |
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467 #ifdef _DEBUG |
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468 RDebug::Printf("Illegal Global Properties Overriding"); |
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469 #endif |
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470 User::Leave(KErrMultiRofsGlobalOverride); |
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471 } |
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472 |
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473 TInt single_count=aOverrideRepository->SettingsArray().Count(); |
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474 for (TInt i=0;i<single_count;i++) |
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475 { |
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476 //get the overriding setting |
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477 TServerSetting& ovTs=aOverrideRepository->SettingsArray()[i]; |
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478 TUint32 ovId=ovTs.Key(); |
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479 |
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480 //find whether it exist in the core |
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481 TServerSetting* coreTs=aCoreRepository->GetSettings().Find(ovId); |
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482 //check whether in the overriding repository,the policy is individually specified policy |
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483 TInt ovIndividualPol=aOverrideRepository->SinglePolicyArray().Find(ovTs.AccessPolicy()); |
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484 if (coreTs) |
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485 { |
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486 //found in core, need to check the type is the same else Panic |
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487 if (coreTs->Type()!=ovTs.Type()) |
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488 { |
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489 #ifdef _DEBUG |
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490 RDebug::Printf("Illegal Setting Type Overriding"); |
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491 #endif |
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492 User::Leave(KErrMultiRofsTypeOverride); |
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493 } |
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494 OverrideSettingL(*coreTs,ovTs,aCoreRepository,EFalse,ovIndividualPol!=KErrNotFound); |
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495 } |
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496 else |
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497 { |
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498 //this is a newly defined setting |
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499 TServerSetting newTs(ovTs.Key()); |
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500 OverrideSettingL(newTs,ovTs,aCoreRepository,ETrue,ovIndividualPol!=KErrNotFound); |
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501 //finally insert into the RSettingsArray for this new setting |
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502 aCoreRepository->iSimRep->SettingsArray().OrderedInsertL(newTs); |
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503 } |
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504 } |
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505 |
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506 } |
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507 |
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508 //Function on initialising a repository of multi ROFS files |
|
509 void CObservable::MergeMultiRofsL(TBool aCoreInitialized,CSharedRepository* aCoreRepository,const RArray<TRofsFlag>& aOverridingFileList) |
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510 { |
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511 //load all the files and construct an array of CHeapRepository to merge content into it |
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512 TInt sortedCount=aOverridingFileList.Count(); |
|
513 TFileName repFileName; |
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514 for (TInt i=0;i<sortedCount;i++) |
|
515 { |
|
516 repFileName.Zero(); |
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517 TRofsFlag rofsFlag=aOverridingFileList[i]; |
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518 TPtrC extPointer(*(TServerResources::iCreExt)); |
|
519 TBool isTxt=rofsFlag.iFlag & 0x80000000; |
|
520 if (isTxt) |
|
521 { |
|
522 extPointer.Set(*(TServerResources::iIniExt)); |
|
523 } |
|
524 repFileName.Format(_L("z:\\private\\10202be9\\%08x%S[%02x-00]"),aCoreRepository->Uid().iUid,&extPointer,rofsFlag.iFlag & 0xFF); |
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525 //only when the core is not initialized, the first item in the list now becomes the core |
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526 if (!aCoreInitialized && i==0) |
|
527 { |
|
528 if (isTxt) |
|
529 { |
|
530 CIniFileIn* iniFile; |
|
531 TInt err=CIniFileIn::NewLC(TServerResources::iFs,iniFile,repFileName); |
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532 User::LeaveIfError(err); |
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533 aCoreRepository->ReloadContentL(*iniFile,ETrue); |
|
534 CleanupStack::PopAndDestroy(iniFile);//iniFile |
|
535 } |
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536 else |
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537 { |
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538 aCoreRepository->iSimRep->CreateRepositoryFromCreFileL(TServerResources::iFs,repFileName); |
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539 } |
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540 } |
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541 else |
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542 { |
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543 CHeapRepository* repos=CHeapRepository::NewL(aCoreRepository->Uid()); |
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544 CleanupStack::PushL(repos); |
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545 |
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546 if (isTxt) |
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547 { |
|
548 CIniFileIn* iniFile; |
|
549 TInt err=CIniFileIn::NewLC(TServerResources::iFs,iniFile,repFileName); |
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550 User::LeaveIfError(err); |
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551 repos->ReloadContentL(*iniFile); |
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552 CleanupStack::PopAndDestroy(iniFile);//iniFile |
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553 } |
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554 else |
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555 { |
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556 TUint8 creVersion; |
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557 repos->CreateRepositoryFromCreFileL(TServerResources::iFs,repFileName,creVersion); |
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558 //need to check the CRE version in the overloading layer |
|
559 if (creVersion<KPersistFormatSupportsIndMetaIndicator) |
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560 { |
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561 #ifdef _DEBUG |
|
562 RDebug::Printf("Use of Cre version less than 2 in the overriding layer"); |
|
563 #endif |
|
564 //this macro is used for testing existing regression test with multi-rofs |
|
565 //so we allow older cre to be used in higher rofs |
|
566 #ifndef PDS_TEST_MULTIROFS |
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567 User::Leave(KErrMultiRofsOldCreUsed); |
|
568 #endif |
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569 } |
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570 } |
|
571 //Now that the repository is initialized and at this stage the repository file has been |
|
572 //checked whether they are corrupt |
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573 repos->SettingsArray().SetIsDefault(ETrue); |
|
574 MergeRepositoryL(aCoreRepository,repos); |
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575 |
|
576 CleanupStack::PopAndDestroy(repos); //repos |
|
577 } |
|
578 } |
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579 } |
|
580 #endif |
|
581 |
|
582 TInt CObservable::CreateRepositoryL(CSharedRepository* aRepository, TCentRepLocation aLocation) |
|
583 { |
|
584 aRepository->GetSettings().SetIsDefault(aLocation!=EPersists); |
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585 TInt err(KErrNotFound); |
|
586 |
|
587 err = aRepository->CreateRepositoryFromCreFileL(aLocation); |
|
588 if(err==KErrNotFound) |
|
589 { |
|
590 if (aLocation!=EPersists) |
|
591 err = ReadIniFileL(aRepository,aLocation); |
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592 } |
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593 //for ROM might want to consider the possibility of multi rofs file |
|
594 #ifdef SYMBIAN_CENTREP_SUPPORT_MULTIROFS |
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595 if (aLocation==ERom && iMultiRofsUidList.Count()!=0) |
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596 { |
|
597 //if there is error and not because of non-existant we should return error immediately |
|
598 //and if it is fine but the uid does not match one of the multirofsuidlsit this means that |
|
599 //repository is not composed of multi file. |
|
600 if (err==KErrNone || err==KErrNotFound) |
|
601 { |
|
602 TMultiRofsList find(aRepository->Uid()); |
|
603 TLinearOrder<TMultiRofsList> sort_order(CompareUid); |
|
604 TInt index=iMultiRofsUidList.FindInOrder(find,sort_order); |
|
605 if (index==KErrNotFound) |
|
606 return err; |
|
607 //if the first layer has already got the exattrib=U we should leave with KErrMultiRofsIllegalRofs |
|
608 if (err==KErrNotFound && index!=KErrNotFound) |
|
609 User::Leave(KErrMultiRofsIllegalRofs); |
|
610 //the list exist in one of the mappings stored earlier, get the name and construct them |
|
611 TRAP(err,MergeMultiRofsL(err==KErrNone,aRepository,iMultiRofsUidList[index].iMountFlagList)); |
|
612 if (err==KErrNoMemory) |
|
613 User::LeaveNoMemory(); |
|
614 } |
|
615 } |
|
616 #endif |
|
617 return( err); |
|
618 } |
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619 |
|
620 /** |
|
621 In order to create a repository this routine looks for a .cre or .txt file. |
|
622 Txt and cre files can co-exist in install and ROM but not in persists location. |
|
623 If a persists txt file exists, the first write to the repository will cause a |
|
624 cre file to be created and the txt file to be deleted. |
|
625 If both files exist in the same location, the .cre is picked up first. |
|
626 If the .cre file is not found,a .txt file from the same location is tried. |
|
627 Otherwise if the .cre file is corrupted,it tries a .cre file from a next location. |
|
628 |
|
629 Note: |
|
630 If a cre file exists at a particular location, even if the cre file is corrupt a txt |
|
631 file will not be searched for in the same location. |
|
632 */ |
|
633 |
|
634 TInt CObservable::CreateRepositoryL(CSharedRepository*& aRepository, CIniFileIn::TIniFileOpenMode aIniFileOpenMode) |
|
635 { |
|
636 TInt err(KErrNotFound); |
|
637 |
|
638 switch (aIniFileOpenMode) |
|
639 { |
|
640 case CIniFileIn::EAuto: |
|
641 { |
|
642 // Look in persists dir |
|
643 err=CreateRepositoryL(aRepository, EPersists); |
|
644 |
|
645 if(err==KErrNone) |
|
646 { |
|
647 return err; |
|
648 } |
|
649 |
|
650 // No persists file - look in ROM dir |
|
651 // Do this before looking in the install dir, because if there is |
|
652 // a ROM file, an install file and no persists file then this |
|
653 // repository is being opened after a SW install but before the |
|
654 // merge. In this case the install file shouldn't be opened |
|
655 // until after the merge. |
|
656 err=CreateRepositoryL(aRepository, ERom); |
|
657 |
|
658 if(err==KErrNone) |
|
659 { |
|
660 break; |
|
661 } |
|
662 else if(err==KErrNotFound) |
|
663 { |
|
664 // Look in install directory only if there was no ROM or persists file |
|
665 err=CreateRepositoryL(aRepository, EInstall); |
|
666 if(err==KErrNone) |
|
667 { |
|
668 TTime installFileTimeStamp=TServerResources::CentrepFileTimeStampL(aRepository->Uid(), EInstall); |
|
669 aRepository->SetInstallTime(installFileTimeStamp); |
|
670 } |
|
671 } |
|
672 break; |
|
673 } |
|
674 |
|
675 case CIniFileIn::EInstallOnly: |
|
676 { |
|
677 err=CreateRepositoryL(aRepository, EInstall); |
|
678 break; |
|
679 } |
|
680 |
|
681 case CIniFileIn::ERomOnly: |
|
682 { |
|
683 err=CreateRepositoryL(aRepository, ERom); |
|
684 break; |
|
685 } |
|
686 } |
|
687 |
|
688 return err; |
|
689 } |
|
690 |
|
691 TInt CObservable::ReadSettingsL(CIniFileIn *aIniFile, CSharedRepository* aRep) |
|
692 { |
|
693 return aRep->ReloadContentL(*aIniFile, ETrue); |
|
694 } |
|
695 |
|
696 void CObservable::LoadRepositoryLC(TUid aUid, TBool aFailIfNotFound, CSharedRepository*& aRepository, CIniFileIn::TIniFileOpenMode aIniFileOpenMode) |
|
697 { |
|
698 // Calculate the amount of memory this repository will take in the heap |
|
699 // by checking the heap size before and after the internalization |
|
700 RHeap& myHeap = User::Heap(); |
|
701 TInt firstSize = myHeap.Size(); |
|
702 TInt biggestBlock; |
|
703 TInt firstAvail = myHeap.Available(biggestBlock); |
|
704 |
|
705 aRepository = CSharedRepository::NewL(aUid); |
|
706 #ifdef CACHE_OOM_TESTABILITY |
|
707 if ((aRepository==NULL)&&!iTrapOOMOnOpen) |
|
708 { |
|
709 User::Leave(KErrNoMemory); |
|
710 } |
|
711 #endif |
|
712 if ((aRepository==NULL)&&TServerResources::iCacheManager->Enabled()) |
|
713 { |
|
714 // If cache enabled, try recovery by releasing the cache |
|
715 TServerResources::iCacheManager->FlushCache(EFalse); |
|
716 // retry |
|
717 aRepository = CSharedRepository::NewL(aUid); |
|
718 } |
|
719 // If still no memory, return error |
|
720 if (aRepository==NULL) |
|
721 { |
|
722 User::Leave(KErrNoMemory); |
|
723 } |
|
724 else // successfully created the object, so push it into the cleanup stack |
|
725 { |
|
726 CleanupStack::PushL(aRepository); |
|
727 } |
|
728 |
|
729 // Now that we have enough memory for the object and constructed it properly |
|
730 // we try to load it. We trap all errors, either from leaving functions or error code |
|
731 // returning functions and unify them (in all cases only one of these codes will |
|
732 // contain a valid value and the other will be 0, and for our purposes we treat |
|
733 // all errors the same no matter if they're thrown or returned) |
|
734 |
|
735 TInt unifiedErrorCode; |
|
736 TRAP_UNIFIED(unifiedErrorCode, CreateRepositoryL(aRepository, aIniFileOpenMode)); |
|
737 |
|
738 if (unifiedErrorCode!=KErrNone) |
|
739 { |
|
740 switch(unifiedErrorCode) |
|
741 { |
|
742 case KErrNoMemory: |
|
743 { |
|
744 if (TServerResources::iCacheManager->Enabled()) // cache enabled |
|
745 { |
|
746 #ifdef CACHE_OOM_TESTABILITY |
|
747 if (!iTrapOOMOnOpen) |
|
748 { |
|
749 User::Leave(KErrNoMemory); |
|
750 } |
|
751 #endif |
|
752 // Flush cache |
|
753 TServerResources::iCacheManager->FlushCache(ETrue); |
|
754 |
|
755 firstSize = myHeap.Size(); |
|
756 firstAvail = myHeap.Available(biggestBlock); |
|
757 |
|
758 //retry |
|
759 TRAP_UNIFIED(unifiedErrorCode, CreateRepositoryL(aRepository, aIniFileOpenMode)); |
|
760 } |
|
761 } |
|
762 break; |
|
763 case KErrNotFound: |
|
764 case KErrPathNotFound: |
|
765 { |
|
766 if (!aFailIfNotFound) // backup open |
|
767 { |
|
768 // override error condition and continue normally |
|
769 unifiedErrorCode = KErrNone; |
|
770 } |
|
771 } |
|
772 break; |
|
773 } |
|
774 } |
|
775 // If unhandled, leave |
|
776 User::LeaveIfError(unifiedErrorCode); |
|
777 |
|
778 // Otherwise, finalize calulations |
|
779 TInt lastSize = myHeap.Size(); |
|
780 TInt lastAvail = myHeap.Available(biggestBlock); |
|
781 |
|
782 TInt calcSize = (lastSize - lastAvail) - (firstSize - firstAvail); |
|
783 // record repository size for cache algorithm purposes |
|
784 aRepository->SetSize(calcSize); |
|
785 } |
|
786 |
|
787 CSharedRepository* CObservable::AccessL(TUid aUid, TBool aFailIfNotFound) |
|
788 { |
|
789 CSharedRepository* rep = NULL; |
|
790 |
|
791 TInt i = FindOpenRepository(aUid); |
|
792 if(i!=KErrNotFound) |
|
793 { |
|
794 rep = GetOpenRepository(i); |
|
795 // repository still open, can safely call RestoreConsistencyL |
|
796 rep->RestoreConsistencyL(); |
|
797 } |
|
798 else |
|
799 { |
|
800 // For memory usage testing purposes |
|
801 RECORD_HEAP_SIZE(EMemLcnRepositoryOpen, aUid.iUid); |
|
802 // Various error conditions are handled in this function |
|
803 LoadRepositoryLC(aUid, aFailIfNotFound, rep, CIniFileIn::EAuto); |
|
804 __CENTREP_TRACE1("CENTREP: Repository Load when opening repository %x", aUid.iUid); |
|
805 // For memory usage testing purposes |
|
806 RECORD_HEAP_SIZE(EMemLcnRepositoryOpen, aUid.iUid); |
|
807 |
|
808 AddOpenRepositoryL(rep); |
|
809 |
|
810 // We pop the rep here because if later call of TServerResources::AddOwnerIdLookupMapping fails of OOM |
|
811 // the call of RemoveOpenRepository() will delete the repository before leave. |
|
812 CleanupStack::Pop(rep); |
|
813 |
|
814 // Add owner mapping to list - Will fail if an entry already exists |
|
815 // with this Repository UID but this doesn't matter |
|
816 TUid owner = rep->Owner() ; |
|
817 TInt err = TServerResources::AddOwnerIdLookupMapping(aUid.iUid, owner.iUid); |
|
818 if (err == KErrNoMemory) |
|
819 { |
|
820 RemoveOpenRepository(rep); |
|
821 User::Leave(err); |
|
822 } |
|
823 |
|
824 //Find the location of the current transaction for this repository |
|
825 const TInt offset (FindRepositoryInfo(aUid)); |
|
826 if (offset >=0) //If there are no outstanding transactions |
|
827 { |
|
828 RefreshTransactorAccessPolicies(rep,offset); |
|
829 } |
|
830 } |
|
831 |
|
832 // re-start the timer |
|
833 if (TServerResources::iCacheManager->Enabled()) |
|
834 { |
|
835 TServerResources::iCacheManager->StartEviction(rep); |
|
836 } |
|
837 |
|
838 return rep; |
|
839 } |
|
840 |
|
841 TInt CObservable::FindRepositoryInfo(TUid aUid) |
|
842 { |
|
843 TSharedRepositoryInfo info(aUid); |
|
844 TLinearOrder<TSharedRepositoryInfo> infoSortOrder(CObservable::InfoSortOrder); |
|
845 |
|
846 return iRepositoryInfo.FindInOrder(&info, infoSortOrder); |
|
847 } |
|
848 |
|
849 CObservable::TSharedRepositoryInfo* CObservable::SharedRepositoryInfo(TUid aUid) |
|
850 { |
|
851 TInt pos = FindRepositoryInfo(aUid); |
|
852 return (pos!=KErrNotFound) ? iRepositoryInfo[pos] : NULL; |
|
853 } |
|
854 |
|
855 CObservable::TSharedRepositoryInfo::TSharedRepositoryInfo(TUid aUid) : |
|
856 iRepositoryUid(aUid), iTransactors(_FOFF(CRepositoryTransactor, iLink)), |
|
857 iPessimisticTransactionLockCount(0), iNumActiveConcurrentReadWriteTransactions(0) |
|
858 { |
|
859 } |
|
860 |
|
861 TInt CObservable::InfoSortOrder(const TSharedRepositoryInfo &aRepository1, const TSharedRepositoryInfo &aRepository2) |
|
862 { |
|
863 return CompareTUidValues(aRepository1.iRepositoryUid.iUid, aRepository2.iRepositoryUid.iUid); |
|
864 } |
|
865 |
|
866 void CObservable::AddSharedRepositoryInfoL(TUid aUid) |
|
867 { |
|
868 TSharedRepositoryInfo* shinfo = new(ELeave) TSharedRepositoryInfo(aUid); |
|
869 |
|
870 TLinearOrder<TSharedRepositoryInfo> infoSortOrder(CObservable::InfoSortOrder); |
|
871 // Inserts if not already in the array, otherwise returns KErrAlreadyExists, which we handle gracefully |
|
872 TInt err = iRepositoryInfo.InsertInOrder(shinfo, infoSortOrder); |
|
873 if (err==KErrAlreadyExists) |
|
874 { |
|
875 delete shinfo; |
|
876 } |
|
877 else |
|
878 { |
|
879 if (err!=KErrNone) |
|
880 delete shinfo; |
|
881 User::LeaveIfError(err); |
|
882 } |
|
883 } |
|
884 |
|
885 void CObservable::RemoveSharedRepositoryInfo(TUid aUid) |
|
886 { |
|
887 TInt pos = FindRepositoryInfo(aUid); |
|
888 if (pos!=KErrNotFound) |
|
889 { |
|
890 delete iRepositoryInfo[pos]; |
|
891 iRepositoryInfo.Remove(pos); |
|
892 } |
|
893 } |
|
894 |
|
895 |
|
896 void CObservable::RefreshTransactorAccessPolicies(CSharedRepository* aRepository,const TInt offset) |
|
897 { |
|
898 TSglQueIter<CRepositoryTransactor> iter(iRepositoryInfo[offset]->iTransactors); |
|
899 CRepositoryTransactor* t (iter); |
|
900 |
|
901 while (iter++ != NULL) |
|
902 { |
|
903 const TInt count = t->iTransactionSettings.Count(); |
|
904 for (TInt i=0; i<count;i++) //for the no. of changed settings in the transaction |
|
905 { |
|
906 TServerSetting temp = t->iTransactionSettings[i]; |
|
907 t->iTransactionSettings[i].SetAccessPolicy(aRepository->GetFallbackAccessPolicy(temp.Key())); |
|
908 //Correct the access policy pointer so that its pointing to the new valid location |
|
909 } |
|
910 t = iter; |
|
911 } |
|
912 } |