restSessionInfo* _pmdController::newSessionInfo( const string & userName,
UINT32 localIP )
{
restSessionInfo *newSession = SDB_OSS_NEW restSessionInfo ;
if( !newSession )
{
PD_LOG( PDERROR, "Alloc rest session info failed" ) ;
goto error ;
}
_ctrlLatch.get() ;
newSession->_attr._sessionID = ossPack32To64( localIP, _sequence++ ) ;
ossStrncpy( newSession->_attr._userName, userName.c_str(),
SESSION_USER_NAME_LEN ) ;
_mapSessions[ _makeID( newSession ) ] = newSession ;
_add2UserMap( userName, newSession ) ;
newSession->_inNum.inc() ;
_ctrlLatch.release() ;
newSession->lock() ;
done:
return newSession ;
error:
goto done ;
}
// PD_TRACE_DECLARE_FUNCTION ( SDB__DMSSU, "_dmsStorageUnit::_dmsStorageUnit" )
_dmsStorageUnit::_dmsStorageUnit ( const CHAR *pSUName, UINT32 sequence,
INT32 pageSize, INT32 lobPageSize )
:_apm(this),
_pDataSu( NULL ),
_pIndexSu( NULL ),
_pLobSu( NULL )
{
PD_TRACE_ENTRY ( SDB__DMSSU ) ;
SDB_ASSERT ( pSUName, "name can't be null" ) ;
if ( 0 == pageSize )
{
pageSize = DMS_PAGE_SIZE_DFT ;
}
if ( 0 == lobPageSize )
{
lobPageSize = DMS_DEFAULT_LOB_PAGE_SZ ;
}
CHAR dataFileName[DMS_SU_FILENAME_SZ + 1] = {0} ;
CHAR idxFileName[DMS_SU_FILENAME_SZ + 1] = {0} ;
_storageInfo._pageSize = pageSize ;
_storageInfo._lobdPageSize = lobPageSize ;
ossStrncpy( _storageInfo._suName, pSUName, DMS_SU_NAME_SZ ) ;
_storageInfo._suName[DMS_SU_NAME_SZ] = 0 ;
_storageInfo._sequence = sequence ;
_storageInfo._secretValue = ossPack32To64( (UINT32)time(NULL),
(UINT32)(ossRand()*239641) ) ;
ossSnprintf( dataFileName, DMS_SU_FILENAME_SZ, "%s.%d.%s",
_storageInfo._suName, sequence, DMS_DATA_SU_EXT_NAME ) ;
ossSnprintf( idxFileName, DMS_SU_FILENAME_SZ, "%s.%d.%s",
_storageInfo._suName, sequence, DMS_INDEX_SU_EXT_NAME ) ;
_pDataSu = SDB_OSS_NEW dmsStorageData( dataFileName, &_storageInfo ) ;
if ( _pDataSu )
{
_pIndexSu = SDB_OSS_NEW dmsStorageIndex( idxFileName, &_storageInfo,
_pDataSu ) ;
}
if ( NULL != _pDataSu && NULL != _pIndexSu )
{
ossMemset( dataFileName, 0, sizeof( dataFileName ) ) ;
ossMemset( idxFileName, 0 , sizeof( idxFileName ) ) ;
ossSnprintf( dataFileName, DMS_SU_FILENAME_SZ, "%s.%d.%s",
_storageInfo._suName, _storageInfo._sequence,
DMS_LOB_META_SU_EXT_NAME ) ;
ossSnprintf( idxFileName, DMS_SU_FILENAME_SZ, "%s.%d.%s",
_storageInfo._suName, _storageInfo._sequence,
DMS_LOB_DATA_SU_EXT_NAME ) ;
_pLobSu = SDB_OSS_NEW dmsStorageLob( dataFileName, idxFileName,
&_storageInfo, _pDataSu ) ;
}
PD_TRACE_EXIT ( SDB__DMSSU ) ;
}
// The caller is responsible to free memory
restSessionInfo* _pmdController::newSessionInfo( const string & userName,
UINT32 localIP )
{
// memory will be freed in releaseSessionInfo ( manual release )and
// _checkSession ( timeout release )
restSessionInfo *newSession = SDB_OSS_NEW restSessionInfo ;
if( !newSession )
{
PD_LOG( PDERROR, "Alloc rest session info failed" ) ;
goto error ;
}
// get lock
_ctrlLatch.get() ;
newSession->_attr._sessionID = ossPack32To64( localIP, _sequence++ ) ;
ossStrncpy( newSession->_attr._userName, userName.c_str(),
SESSION_USER_NAME_LEN ) ;
// add to session map
_mapSessions[ _makeID( newSession ) ] = newSession ;
// add to user session map
_add2UserMap( userName, newSession ) ;
// attach session
newSession->_inNum.inc() ;
// release lock
_ctrlLatch.release() ;
// The session will be locked once it's created, and the caller will
// start working on the session. Once the work is done, the session will
// be unlocked ( detached or destroyed )
newSession->lock() ;
done:
return newSession ;
error:
goto done ;
}
UINT64 _mongoSession::identifyID()
{
return ossPack32To64( _socket.getLocalIP(), _socket.getLocalPort() ) ;
}
