javamanager/javaregistry/legacy/server/src/javaregserversession.cpp
branchRCL_3
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13:f5050f1da672 14:04becd199f91
       
     1 /*
       
     2 * Copyright (c) 2005-2006 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  javaregserversession implementation
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include "javaregserversession.h"
       
    20 #include "javaregdef.h"
       
    21 #include "javaregproperty.h"
       
    22 #include "javapropertyarray.h"
       
    23 #include "javareguidarrayconv.h"
       
    24 #include "javaregserver.h"
       
    25 #include "logger.h"
       
    26 
       
    27 using namespace Java::Manager::Registry;
       
    28 
       
    29 // ---------------------------------------------------------------------------
       
    30 // Constructor
       
    31 // ---------------------------------------------------------------------------
       
    32 CJavaRegServerSession::CJavaRegServerSession() :
       
    33         iBackupSession(EFalse),
       
    34         iLegacy(EFalse)
       
    35 {
       
    36 }
       
    37 
       
    38 
       
    39 // ---------------------------------------------------------------------------
       
    40 // Destructor
       
    41 // ---------------------------------------------------------------------------
       
    42 CJavaRegServerSession::~CJavaRegServerSession()
       
    43 {
       
    44     // if it was a backup session move registry back to NoBackup state
       
    45     if (iBackupSession)
       
    46     {
       
    47         Server()->SetBackupState(ENoBackup);
       
    48     }
       
    49 }
       
    50 
       
    51 // ---------------------------------------------------------------------------
       
    52 // Returns the iLegacy member
       
    53 // ---------------------------------------------------------------------------
       
    54 TBool CJavaRegServerSession::IsLegacy() const
       
    55 {
       
    56     return iLegacy;
       
    57 }
       
    58 
       
    59 
       
    60 // ---------------------------------------------------------------------------
       
    61 // Returns server object
       
    62 // ---------------------------------------------------------------------------
       
    63 CJavaRegServer* CJavaRegServerSession::Server() const
       
    64 {
       
    65     return const_cast< CJavaRegServer* >(
       
    66                static_cast< const CJavaRegServer* >(CSession2::Server()));
       
    67 }
       
    68 
       
    69 
       
    70 // ---------------------------------------------------------------------------
       
    71 // ServiceL
       
    72 // ---------------------------------------------------------------------------
       
    73 void CJavaRegServerSession::ServiceL(const RMessage2& aMessage)
       
    74 {
       
    75     TRAPD(err, DispatchMessageL(aMessage));
       
    76     aMessage.Complete(err);
       
    77 }
       
    78 
       
    79 
       
    80 // ---------------------------------------------------------------------------
       
    81 // DispatchMessageL
       
    82 // ---------------------------------------------------------------------------
       
    83 void CJavaRegServerSession::DispatchMessageL(const RMessage2& aMessage)
       
    84 {
       
    85     JELOG(EJavaStorage, "CJavaRegServerSession::DispatchMessageL()");
       
    86 
       
    87     TInt function = aMessage.Function();
       
    88 
       
    89     switch (function)
       
    90     {
       
    91     case EInitializeServerUseIntegr:
       
    92         InitializeServerUseIntegrL(aMessage);
       
    93         break;
       
    94 
       
    95     case EEntryExists:
       
    96         EntryExistsL(aMessage);
       
    97         break;
       
    98 
       
    99     case EGetEntryUids:
       
   100         GetEntryUidsL(aMessage);
       
   101         break;
       
   102 
       
   103     case EGetEntry:
       
   104     {
       
   105         GetEntryL(aMessage);
       
   106         break;
       
   107     }
       
   108 
       
   109     case EGetEntryFromAll:
       
   110     {
       
   111         GetEntryL(aMessage, ETrue);
       
   112     }
       
   113     break;
       
   114 
       
   115     case EFindEntries:
       
   116         FindEntriesL(aMessage);
       
   117         break;
       
   118 
       
   119     case EFindAllEntries:
       
   120         FindAllEntriesL(aMessage);
       
   121         break;
       
   122 
       
   123     case ESetBackupState:
       
   124         SetBackupState(aMessage);
       
   125         break;
       
   126 
       
   127     default:
       
   128         User::Leave(KErrNotSupported);
       
   129     }
       
   130 }
       
   131 
       
   132 // ---------------------------------------------------------------------------
       
   133 // InitializeServerUseIntegrL
       
   134 // ---------------------------------------------------------------------------
       
   135 void CJavaRegServerSession::InitializeServerUseIntegrL(
       
   136     const RMessage2& aMessage)
       
   137 {
       
   138     JELOG(EJavaStorage, "CJavaRegServerSession::InitializeServerUseIntegrL()");
       
   139 
       
   140     TBool useIntegrity = aMessage.Int0();
       
   141     iLegacy = aMessage.Int1();
       
   142     if (useIntegrity)
       
   143     {
       
   144         TTime currentTime;
       
   145         currentTime.UniversalTime();
       
   146         TInt64 transactionId = currentTime.Int64();
       
   147     }
       
   148 }
       
   149 
       
   150 
       
   151 // ---------------------------------------------------------------------------
       
   152 // EntryExistsL
       
   153 // ---------------------------------------------------------------------------
       
   154 void CJavaRegServerSession::EntryExistsL(const RMessage2& aMessage)
       
   155 {
       
   156     JELOG(EJavaStorage, "CJavaRegServerSession::EntryExistsL()");
       
   157 
       
   158     Server()->LeaveIfRestoringL();
       
   159 
       
   160     // obtain uid
       
   161     TUid uid = UidFromMessageL(0, aMessage);
       
   162 
       
   163     // check if entry exists for uid
       
   164     TBool result = Server()->EntryExistsL(uid);
       
   165 
       
   166     // write back result
       
   167     TPckgBuf<TBool> resultBuf(result);
       
   168     aMessage.WriteL(1, resultBuf) ;
       
   169 }
       
   170 
       
   171 
       
   172 // ---------------------------------------------------------------------------
       
   173 // GetEntryUidsL
       
   174 // ---------------------------------------------------------------------------
       
   175 void CJavaRegServerSession::GetEntryUidsL(const RMessage2& aMessage)
       
   176 {
       
   177     JELOG(EJavaStorage, "CJavaRegServerSession::GetEntryUidsL()");
       
   178 
       
   179     Server()->LeaveIfRestoringL();
       
   180 
       
   181     TInt drive = aMessage.Int2();
       
   182     RArray<TUid> uids;
       
   183     CleanupClosePushL(uids);
       
   184 
       
   185     Server()->GetEntryUidsL(uids, drive);
       
   186     WriteBackUidArrayL(uids, aMessage) ;
       
   187     CleanupStack::PopAndDestroy(&uids);
       
   188 }
       
   189 
       
   190 
       
   191 // ---------------------------------------------------------------------------
       
   192 // GetEntryL
       
   193 // ---------------------------------------------------------------------------
       
   194 void CJavaRegServerSession::GetEntryL(const RMessage2& aMessage,
       
   195                                       TBool aAllEntries)
       
   196 {
       
   197     JELOG(EJavaStorage, "CJavaRegServerSession::GetEntryL()");
       
   198 
       
   199     Server()->LeaveIfRestoringL();
       
   200 
       
   201     // read uid
       
   202     TUid uid = UidFromMessageL(2, aMessage);
       
   203 
       
   204     // get property
       
   205     CJavaPropertyArray* props = NULL;
       
   206     Server()->GetEntryL(uid, props, aAllEntries);
       
   207 
       
   208     TInt neededLength = 0;
       
   209 
       
   210     // if there is property write it back
       
   211     if (props)
       
   212     {
       
   213         CleanupStack::PushL(props);
       
   214         TInt allocatedLength = aMessage.GetDesMaxLengthL(0);
       
   215         neededLength = props->Size();
       
   216 
       
   217         if (allocatedLength >= neededLength)
       
   218         {
       
   219             HBufC8* propBuffer = props->SerializedPropertiesL();
       
   220             CleanupStack::PushL(propBuffer);
       
   221             aMessage.WriteL(0, propBuffer->Des());
       
   222             CleanupStack::PopAndDestroy(propBuffer);
       
   223         }
       
   224         else
       
   225         {
       
   226             WLOG(EJavaStorage,
       
   227                  "Allocated length is to small. Send back the needed length.");
       
   228         }
       
   229 
       
   230         // Delete because not cached.
       
   231         props->DeleteProperties();
       
   232         CleanupStack::PopAndDestroy(props);
       
   233     }
       
   234 
       
   235     // write back needed length
       
   236     TPckgBuf<TInt> lengthPckg(neededLength);
       
   237     aMessage.WriteL(1, lengthPckg);
       
   238 }
       
   239 
       
   240 
       
   241 // ---------------------------------------------------------------------------
       
   242 // FindEntries
       
   243 // ---------------------------------------------------------------------------
       
   244 void CJavaRegServerSession::FindEntriesL(const RMessage2& aMessage)
       
   245 {
       
   246     JELOG(EJavaStorage, "CJavaRegServerSession::FindEntriesL()");
       
   247 
       
   248     Server()->LeaveIfRestoringL();
       
   249 
       
   250     RArray<TUid> uids;
       
   251     CleanupClosePushL(uids);
       
   252 
       
   253     // read properties
       
   254     CJavaPropertyArray* props = PropertiesFromMessageL(2, aMessage);
       
   255     CleanupStack::PushL(props);
       
   256 
       
   257     Server()->FindEntriesL(*props, uids);
       
   258 
       
   259     CleanupStack::PopAndDestroy(props);
       
   260 
       
   261     WriteBackUidArrayL(uids, aMessage) ;
       
   262 
       
   263     CleanupStack::PopAndDestroy(&uids);
       
   264 }
       
   265 
       
   266 
       
   267 // ---------------------------------------------------------------------------
       
   268 // FindAllEntries
       
   269 // ---------------------------------------------------------------------------
       
   270 void CJavaRegServerSession::FindAllEntriesL(const RMessage2& aMessage)
       
   271 {
       
   272     JELOG(EJavaStorage, "CJavaRegServerSession::FindEntriesL()");
       
   273 
       
   274     Server()->LeaveIfRestoringL();
       
   275 
       
   276     RArray<TUid> uids;
       
   277     CleanupClosePushL(uids);
       
   278 
       
   279     // read properties
       
   280     CJavaPropertyArray* props = PropertiesFromMessageL(2, aMessage);
       
   281     CleanupStack::PushL(props);
       
   282 
       
   283     Server()->FindAllEntriesL(*props, uids);
       
   284 
       
   285     CleanupStack::PopAndDestroy(props);
       
   286 
       
   287     WriteBackUidArrayL(uids, aMessage) ;
       
   288 
       
   289     CleanupStack::PopAndDestroy(&uids);
       
   290 }
       
   291 
       
   292 
       
   293 // ---------------------------------------------------------------------------
       
   294 // SetBackupState
       
   295 // ---------------------------------------------------------------------------
       
   296 void CJavaRegServerSession::SetBackupState(const RMessage2& aMessage)
       
   297 {
       
   298     JELOG(EJavaStorage, "CJavaRegServerSession::SetBackupState()");
       
   299 
       
   300     TBackupState state = (TBackupState) aMessage.Int0();
       
   301     Server()->SetBackupState(state);
       
   302     iBackupSession = ETrue;
       
   303 }
       
   304 
       
   305 
       
   306 // ---------------------------------------------------------------------------
       
   307 // UidFromMessageL
       
   308 // ---------------------------------------------------------------------------
       
   309 TUid CJavaRegServerSession::UidFromMessageL(TInt aIndex,
       
   310         const RMessage2&  aMessage)
       
   311 {
       
   312     TUid uid = TUid::Uid(0);
       
   313     TPckg<TUid> uidPack(uid);
       
   314     aMessage.ReadL(aIndex, uidPack);
       
   315     return uid;
       
   316 }
       
   317 
       
   318 
       
   319 // ---------------------------------------------------------------------------
       
   320 // PropertiesFromMessageL
       
   321 // ---------------------------------------------------------------------------
       
   322 CJavaPropertyArray* CJavaRegServerSession::PropertiesFromMessageL(
       
   323     TInt aIndex,
       
   324     const RMessage2&  aMessage)
       
   325 {
       
   326     TInt length = aMessage.GetDesLengthL(aIndex);
       
   327     HBufC8* propBuffer = HBufC8::NewLC(length);
       
   328     TPtr8 ptr = propBuffer->Des();
       
   329     aMessage.ReadL(aIndex, ptr);
       
   330     CJavaPropertyArray* props = CJavaPropertyArray::NewL(propBuffer);
       
   331     CleanupStack::PopAndDestroy(propBuffer);
       
   332 
       
   333     return props;
       
   334 }
       
   335 
       
   336 
       
   337 // ---------------------------------------------------------------------------
       
   338 // WriteBackUidArrayL
       
   339 // ---------------------------------------------------------------------------
       
   340 void CJavaRegServerSession::WriteBackUidArrayL(RArray<TUid>& aUids,
       
   341         const RMessage2&  aMessage)
       
   342 {
       
   343     HBufC16* uidBuffer = NULL;
       
   344     JavaRegUidArrayConverter::StoreTUidsL(aUids, uidBuffer);
       
   345     CleanupStack::PushL(uidBuffer);
       
   346 
       
   347     TInt allocatedLength = aMessage.GetDesMaxLengthL(0);
       
   348     TInt neededLength = uidBuffer->Length();
       
   349 
       
   350     if (allocatedLength >= neededLength)
       
   351     {
       
   352         aMessage.WriteL(0, uidBuffer->Des());
       
   353     }
       
   354     else
       
   355     {
       
   356         WLOG(EJavaStorage,
       
   357              "Allocated length is to small. Send back the needed length.");
       
   358     }
       
   359 
       
   360     CleanupStack::PopAndDestroy(uidBuffer);
       
   361 
       
   362     // write back needed length
       
   363     TPckgBuf<TInt> lengthPckg(neededLength);
       
   364     aMessage.WriteL(1, lengthPckg);
       
   365 }