+//-*- Mode: C++ -*-
+
// $Id$
// Main authors: Matevz Tadel & Alja Mrak-Tadel: 2006, 2007
// Author: Jochen Thaeder <thaeder@kip.uni-heidelberg.de> *
// for The ALICE HLT Project. *
-//-*- Mode: C++ -*-
+
/** @file AliEveHOMERManager.cxx
@author Jochen Thaeder
#include "AliEveHOMERManager.h"
-#define EVE_DEBUG 1
-// -- -- -- -- -- -- --
-#include "AliHLTHOMERLibManager.h"
-#include "AliHLTHOMERSourceDesc.h"
-#include "AliHLTHOMERBlockDesc.h"
-// -- -- -- -- -- -- --
-#include "AliEveHOMERSource.h"
-// -- -- -- -- -- -- --
-#include "TString.h"
-#include <TApplication.h>
-#include "Riostream.h"
-#include "TXMLAttr.h"
-#include "TCollection.h"
-#include "TList.h"
-#include "TObjString.h"
-#include "TObjArray.h"
-// -- -- -- -- -- -- --
-#include "AliLog.h"
-
-//______________________________________________________________________________
-//
-// Manage connections to HLT data-sources.
ClassImp(AliEveHOMERManager)
-
+
/*
* ---------------------------------------------------------------------------------
* Constructor / Destructor
* ---------------------------------------------------------------------------------
*/
-
+
//##################################################################################
-AliEveHOMERManager::AliEveHOMERManager( TString xmlFile ) :
- TEveElementList("AliEveHOMERManager"),
- fLibManager(new AliHLTHOMERLibManager),
- fXMLHandler( new AliEveHOMERXMLHandler( xmlFile ) ),
- fSourceList(NULL),
- fReader(NULL),
- fBlockList(NULL),
- fNBlks(0),
- fEventID(0),
- fCurrentBlk(0),
- fConnected(kFALSE),
- fStateHasChanged(kTRUE),
+AliEveHOMERManager::AliEveHOMERManager() :
+ AliHLTHOMERManager(),
+ TEveElementList("Homer Manager"),
fSrcList(NULL) {
- // This Class should handle the communication
- // from the HLT to AliEVE. The HLT sends data via
- // the HOMER interface on several TCP ports of nodes
- // in the CERN GPN and DCS network.
- // All this communication is hidden from the user.
- //
- // Right now, a xml file ( SCC1 ) is used to get the
- // configuration, this will/ has to change to a proxy
- // running on dedicated nodes.
-
+ // see header file for class documentation
+ // or
+ // refer to README to build package
+ // or
+ // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt
}
//##################################################################################
AliEveHOMERManager::~AliEveHOMERManager() {
- // The destructor
-
- if ( fLibManager ) {
- if ( fReader )
- fLibManager->DeleteReader(fReader);
- delete fLibManager;
- fLibManager = NULL;
- fReader = NULL;
- }
-
- if ( fXMLHandler != NULL )
- delete fXMLHandler;
- fXMLHandler = NULL;
+ // see header file for class documentation
- if ( fSourceList != NULL )
- delete fSourceList;
- fSourceList = NULL;
-
- if ( fBlockList != NULL )
- delete fBlockList;
- fBlockList = NULL;
-
- if ( fSrcList != NULL )
+ if (fSrcList)
delete fSrcList;
fSrcList = NULL;
}
*/
//##################################################################################
-Int_t AliEveHOMERManager::CreateHOMERSourcesList() {
- // Create Sources List from HOMER-Proxy
-
- Int_t iResult = 0;
+Int_t AliEveHOMERManager::CreateEveSourcesList() {
+ // see header file for class documentation
- // -- Initialize sources list
DestroyElements();
- if ( fSourceList != NULL )
- delete fSourceList;
- fSourceList = NULL;
-
- fSourceList = new TList();
- fSourceList->SetOwner( kTRUE );
-
- iResult = fXMLHandler->FillSourceList( fSourceList );
-
- if ( iResult ) {
- AliWarning( Form("There have been errors, while creating the sources list.") );
- }
- else {
- AliInfo( Form("New sources list created.") );
-
- // -- New SourceList has been created --> All Sources are new --> State has changed
- fStateHasChanged = kTRUE;
-
- if ( fSrcList )
- delete fSrcList;
-
- // -- Create new AliEVE sources list
- fSrcList = new AliEveHOMERSourceList("HLT Sources");
- fSrcList->SetManager(this);
-
- AddElement(fSrcList);
- fSrcList->CreateByType();
- }
-
- return iResult;
-}
-//##################################################################################
-void AliEveHOMERManager::SetSourceState( AliHLTHOMERSourceDesc * source, Bool_t state ) {
- // Set state of a source
- // * param source Pointer to AliHLTHOMERSourceDesc object.
- // * param state New (selected/not selected) state.
+ Int_t iResult = CreateSourcesList();
- if ( source->IsSelected() != state ) {
- source->SetState( state );
- fStateHasChanged = kTRUE;
- }
-
- return;
-}
-
-/*
- * ---------------------------------------------------------------------------------
- * Connection Handling
- * ---------------------------------------------------------------------------------
- */
-
-//##################################################################################
-Int_t AliEveHOMERManager::ConnectHOMER(){
- // Connect to HOMER sources, out of Readout List, which gets created when state has changed
- // * return 0 on sucess, "HOMER" errors on error
-
- Int_t iResult = 0;
-
- fStateHasChanged = fSrcList->GetSelectedSources();
-
- // -- Check if already connected and state has not changed
- if ( fStateHasChanged == kFALSE && IsConnected() ) {
- AliInfo( Form("No need for reconnection.") );
- return iResult;
- }
-
- // -- If already connected, disconnect before connect
- if ( IsConnected() )
- DisconnectHOMER();
-
- // *** Create the Readoutlist
-
- UShort_t* sourcePorts = new UShort_t [fSourceList->GetEntries()];
- const char ** sourceHostnames = new const char* [fSourceList->GetEntries()];
- UInt_t sourceCount = 0;
-
- CreateReadoutList( sourceHostnames, sourcePorts, sourceCount );
-
- if ( sourceCount == 0 ) {
- AliError(Form("No sources selected, aborting.") );
+ fStateHasChanged = kTRUE;
+
+ if ( iResult )
return iResult;
- }
-
- // *** Connect to data sources
-
- if ( !fReader ) {
- if ( fLibManager )
- fReader = fLibManager->OpenReader( sourceCount, sourceHostnames, sourcePorts );
- }
-
- iResult = fReader->GetConnectionStatus();
-
- if ( iResult ) {
- // -- Connection failed
- UInt_t ndx = fReader->GetErrorConnectionNdx();
-
- if ( ndx < sourceCount ) {
- AliError( Form("Error : Error establishing connection to TCP source %s:%hu: %s (%d)",
- sourceHostnames[ndx], sourcePorts[ndx], strerror(iResult), iResult) );
- }
- else {
- AliError( Form("Error : Error establishing connection to unknown source with index %d: %s (%d)",
- ndx, strerror(iResult), iResult) );
- }
-
- if ( fReader )
- fLibManager->DeleteReader( fReader );
- fReader = NULL;
-
- }
- else {
- // -- Connection ok - set reader
- fConnected = kTRUE;
-
- AliInfo( Form("Connection established") );
- }
-
- delete[] sourceHostnames;
- delete[] sourcePorts;
+ if (fSrcList)
+ delete fSrcList;
+ fSrcList = NULL;
+ // -- Create new AliEVE sources list
+ fSrcList = new AliEveHOMERSourceList("HLT Sources");
+ fSrcList->SetManager(this);
+
+ AddElement(fSrcList);
+ fSrcList->CreateByType();
+
return iResult;
+
}
-//##################################################################################
-void AliEveHOMERManager::DisconnectHOMER(){
- // Disconnect from HOMER sources
-
- if ( ! IsConnected() )
- return;
-
- if ( fReader )
- fLibManager->DeleteReader( fReader );
- fReader = NULL;
-
- fStateHasChanged = kTRUE;
- fConnected = kFALSE;
-
- AliInfo( Form("Connection closed") );
-
- return;
-}
//##################################################################################
-Int_t AliEveHOMERManager::ReconnectHOMER(){
- // Reconnect from HOMER sources
- // * return 0 on sucess, "ConnectHOMER()" errors on error
+Int_t AliEveHOMERManager::ConnectEVEtoHOMER() {
+ // see header file for class documentation
Int_t iResult = 0;
-
- if ( IsConnected() )
- DisconnectHOMER();
+
+ fStateHasChanged = fSrcList->GetSelectedSources();
+
+ cout<<"In ConnectEVEtoHOMER"<<endl;
iResult = ConnectHOMER();
- if ( iResult ) {
- AliError( Form("Error connecting.") );
- }
-
- return iResult;
-}
-
-//##################################################################################
-void AliEveHOMERManager::CreateReadoutList( const char** sourceHostnames, UShort_t *sourcePorts, UInt_t &sourceCount ){
- // Create a readout list for Hostname and ports
- // * param socurceHostnames Array of selected hostnames
- // * param socurcePorts Array of selected ports
- // * param socurceCount Number of selected hostname:port
-
- AliHLTHOMERSourceDesc * source= NULL;
-
- // -- Read all sources and check if they should be read out
- TIter next( fSourceList );
- while ( ( source = (AliHLTHOMERSourceDesc*)next() ) ) {
-
- if ( ! source->IsSelected() )
- continue;
-
- Bool_t exists = kFALSE;
-
- // -- Loop over existing entries and check if entry is already in readout list
- for ( UInt_t ii = 0; ii < sourceCount; ii++ ){
- if ( !strcmp( sourceHostnames[ii], source->GetHostname().Data() ) && sourcePorts[ii] == source->GetPort() ) {
- exists = kTRUE;
- break;
- }
- }
-
- // -- Add new entires to readout list
- if ( ! exists ) {
- sourcePorts[sourceCount] = source->GetPort();
- sourceHostnames[sourceCount] = source->GetHostname().Data();
- sourceCount++;
- }
-
- } // while ( ( source = (AliHLTHOMERSourceDesc*)next() ) ) {
-
- fStateHasChanged = kFALSE;
-
- return;
-}
-
-/*
- * ---------------------------------------------------------------------------------
- * Event Handling
- * ---------------------------------------------------------------------------------
- */
-//##################################################################################
-Int_t AliEveHOMERManager::NextEvent(){
- // Loads the next Event, after being connected
- // * return 0 on sucess, "HOMER" errors on error
-
- Int_t iResult = 0;
- Int_t iRetryCount = 0;
-
- if ( !fReader || ! IsConnected() ) {
- AliWarning( Form( "Not connected yet." ) );
- return 1;
- }
-
- // fReader->SetEventRequestAdvanceTime( 20000000 /*timeout in us*/ );
-
- // -- Read next event data and error handling for HOMER (error codes and empty blocks)
- while( 1 ) {
-
- iResult = fReader->ReadNextEvent( 40000000 /*timeout in us*/);
-
- if ( iResult == 111 || iResult == 32 || iResult == 6 ) {
- Int_t ndx = fReader->GetErrorConnectionNdx();
- AliError( Form("Error, No Connection to source %d: %s (%d)",
- ndx, strerror(iResult), iResult) );
- return 2;
- }
- else if ( iResult == 110 ) {
- Int_t ndx = fReader->GetErrorConnectionNdx();
- AliError( Form("Timout occured, reading event from source %d: %s (%d)",
- ndx, strerror(iResult), iResult) );
- return 3;
- }
- else if ( iResult == 56) {
- Int_t ndx = fReader->GetErrorConnectionNdx();
-
- ++iRetryCount;
-
- if ( iRetryCount >= 20 ) {
- AliError( Form("Retry Failed: Error reading event from source %d: %s (%d)",
- ndx, strerror(iResult), iResult) );
- return 4;
- }
- else {
- AliError( Form("Retry: Error reading event from source %d: %s (%d)",
- ndx, strerror(iResult), iResult) );
- continue;
- }
- }
- else if ( iResult ) {
- Int_t ndx = fReader->GetErrorConnectionNdx();
- AliError( Form("General Error reading event from source %d: %s (%d)",
- ndx, strerror(iResult), iResult) );
- fConnected = kFALSE;
- return 2;
- }
- else {
- break;
- }
- } // while( 1 ) {
-
- if ( iResult )
- return iResult;
- // -- Get blockCnt and eventID
- fNBlks = (ULong_t) fReader->GetBlockCnt();
- fEventID = (ULong64_t) fReader->GetEventID();
- fCurrentBlk = 0;
-
- AliInfo( Form("Event 0x%016LX (%Lu) with %lu blocks", fEventID, fEventID, fNBlks) );
-
-#if EVE_DEBUG
- // Loop for Debug only
- for ( ULong_t i = 0; i < fNBlks; i++ ) {
- Char_t tmp1[9], tmp2[5];
- memset( tmp1, 0, 9 );
- memset( tmp2, 0, 5 );
- void *tmp11 = tmp1;
- ULong64_t* tmp12 = (ULong64_t*)tmp11;
- *tmp12 = fReader->GetBlockDataType( i );
- void *tmp21 = tmp2;
- ULong_t* tmp22 = (ULong_t*)tmp21;
- *tmp22 = fReader->GetBlockDataOrigin( i );
- AliInfo( Form("Block %lu length: %lu - type: %s - origin: %s",
- i, fReader->GetBlockDataLength( i ), tmp1, tmp2) );
- } // end for ( ULong_t i = 0; i < fNBlks; i++ ) {
-#endif
-
- // -- Create BlockList
- AliInfo( Form("Create Block List") );
- iResult = CreateBlockList();
-
- return iResult;
-}
-
-//##################################################################################
-Int_t AliEveHOMERManager::CreateBlockList() {
- // Create a TList of blocks, which have been readout
-
-
- Int_t iResult = 0;
-#if 0
- // -- Initialize block list
- if ( fBlockList != NULL )
- delete fBlockList;
- fBlockList = NULL;
-
- fBlockList = new TList();
- fBlockList->SetOwner( kTRUE );
-
- void* iter = GetFirstBlk();
-
- // -- Fill block list
- while ( iter != NULL ){
-
- // -- Create new block
- AliHLTHOMERBlockDesc * block = new AliHLTHOMERBlockDesc( GetBlk(), GetBlkSize(), GetBlkOrigin(),
- GetBlkType(), GetBlkSpecification() );
-
- // -- Check sources list if block is requested
- if ( CheckIfRequested( block ) )
- fBlockList->Add( block );
- else {
- //The Following 2 line commented out and the previous is added.
- // delete block;
- // block = NULL;
- fBlockList->Add( block );
- }
- iter = GetNextBlk();
-
- } // while ( iter != NULL ){
-#endif
return iResult;
+
}
-
-/*
- * ---------------------------------------------------------------------------------
- * BlockHandling
- * ---------------------------------------------------------------------------------
- */
-
-//##################################################################################
-void* AliEveHOMERManager::GetBlk( Int_t ndx ) {
- // Get pointer to current block in current event
- // * param ndx Block index
- // * return returns pointer to blk, NULL if no block present
-
- void* data = NULL;
-
- if ( !fReader || ! IsConnected() ) {
- AliError( Form("Not connected yet.") );
- }
- else {
- if ( ( ndx ) < (Int_t) fNBlks )
- data = (void*) fReader->GetBlockData( ndx );
- }
-
- return data;
-}
-
-//##################################################################################
-ULong_t AliEveHOMERManager::GetBlkSize( Int_t ndx ) {
- // Get size of block ndx
- // * param ndx Block index
- // * return returns pointer to blk, 0 if no block present
-
- ULong_t length = 0;
-
- if ( !fReader || ! IsConnected() ) {
- AliError( Form("Not connected yet.") );
- }
- else {
- if ( ( ndx ) < (Int_t) fNBlks )
- length = (ULong_t) fReader->GetBlockDataLength( ndx );
- }
-
- return length;
-}
-
-//##################################################################################
-TString AliEveHOMERManager::GetBlkOrigin( Int_t ndx ) {
- // Get origin of block ndx
- // * param ndx Block index
- // * return origin of block
-
- TString origin = "";
-
- // -- Check for Connection
- if ( !fReader || ! IsConnected() ) {
- AliError( Form("Not connected yet.") );
- return origin;
- }
-
- // -- Check block index
- if ( ( ndx ) >= (Int_t) fNBlks ) {
- AliError( Form("Block index %d out of range.", ndx ) );
- return origin;
- }
-
- // -- Get origin
- union{
- UInt_t data;
- Char_t array[4];
- } reverseOrigin;
-
- reverseOrigin.data = (UInt_t) fReader->GetBlockDataOrigin( ndx );
-
- // -- Reverse the order
- for (Int_t ii = 3; ii >= 0; ii-- )
- if ( reverseOrigin.array[ii] != ' ')
- origin.Append( reverseOrigin.array[ii] );
-
- return origin;
-}
-
-//##################################################################################
-TString AliEveHOMERManager::GetBlkType( Int_t ndx ) {
- // Get type of block ndx
- // * param ndx Block index
- // * return type of block
-
- TString type = "";
-
- // -- Check for Connection
- if ( !fReader || ! IsConnected() ) {
- AliError( Form("Not connected yet.") );
- return type;
- }
-
- // -- Check blockk index
- if ( ( ndx ) >= (Int_t) fNBlks ) {
- AliError( Form("Block index %d out of range.", ndx ) );
- return type;
- }
-
- // -- Get type
- union{
- ULong64_t data;
- Char_t array[8];
- } reverseType;
-
- reverseType.data = (ULong64_t) fReader->GetBlockDataType( ndx );
-
- // -- Reverse the order
- for (Int_t ii = 7; ii >= 0; ii-- )
- if ( reverseType.array[ii] != ' ')
- type.Append( reverseType.array[ii] );
-
- return type;
-}
-
-//##################################################################################
-ULong_t AliEveHOMERManager::GetBlkSpecification( Int_t ndx ) {
- // Get specification of block ndx
- // * param ndx Block index
- // * return specification of block
-
- ULong_t spec = 0;
-
- // -- Check for Connection
- if ( !fReader || ! IsConnected() ) {
- AliError( Form("Not connected yet.") );
- return spec;
- }
-
- // -- Check blockk index
- if ( ( ndx ) >= (Int_t) fNBlks ) {
- AliError( Form("Block index %d out of range.", ndx ) );
- return spec;
- }
-
- spec = (ULong_t) fReader->GetBlockDataSpec( ndx );
-
- return spec;
-}
-
-//##################################################################################
-Bool_t AliEveHOMERManager::CheckIfRequested( AliHLTHOMERBlockDesc */* block*/ ) {
- // Checks if current Block should was requested
- // * return returns kTRUE, if block should was requested
-
- Bool_t requested = kFALSE;
-#if 0
- AliHLTHOMERSourceDesc * source= NULL;
-
- // -- Read all sources and check if they should be read out
- TIter next( fSourceList );
- while ( ( source = (AliHLTHOMERSourceDesc*)next() ) ) {
-
- if ( ! source->IsSelected() )
- continue;
-
- if ( !( block->GetDetector().CompareTo( "*** " ) && block->GetDetector().CompareTo( "***" ) ) ) {
- // if not any detector
- if ( source->GetDetector().CompareTo( block->GetDetector() ) )
- continue;
- }
-
- if ( ! ( block->GetDataType().CompareTo( "******* " ) && block->GetDataType().CompareTo( "******* " ) ) ) {
- if ( source->GetDataType().CompareTo( block->GetDataType() ) )
- continue;
- }
-
- if ( ! block->HasSubDetectorRange() ) {
- if ( source->GetSubDetector().Atoi() != block->GetSubDetector().Atoi() )
- continue;
-
- if ( ! block->HasSubSubDetectorRange() ) {
-
- if ( source->GetSubSubDetector().Atoi() != block->GetSubSubDetector().Atoi() )
- continue;
-
- } // if ( ! block->HasSubSubDetectorRange ) {
- } // if ( ! block->HasSubDetectorRange ) {
-
- requested = kTRUE;
- break;
-
- } // while ( ( source = (AliHLTHOMERSourceDesc*)next() ) ) {
-
-#if EVE_DEBUG
-
- if ( block->GetDataType().CompareTo("CLUSTERS") ) {
- if ( requested ) {
- AliError( Form("Block requested : %s - %s : %s/%s -> %s ", block->GetDetector().Data(), block->GetDataType().Data(),
- block->GetSubDetector().Data(), block->GetSubSubDetector().Data(), block->GetClassName().Data() ) );
- }
- else {
- AliError( Form("Block NOT requested : %s - %s : %s/%s -> %s ", block->GetDetector().Data(), block->GetDataType().Data(),
- block->GetSubDetector().Data(), block->GetSubSubDetector().Data(), block->GetClassName().Data() ) );
- }
-
- }
-#endif
-#endif
- return requested;
-}
-