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1// $Id$
2// Original: AliHLTFileHandler.h,v 1.19 2004/06/11 16:06:33 loizides
3
4#ifndef ALIHLTTPCFILEHANDLER_H
5#define ALIHLTTPCFILEHANDLER_H
6//* This file is property of and copyright by the ALICE HLT Project *
7//* ALICE Experiment at CERN, All rights reserved. *
8//* See cxx source for full Copyright notice *
9
10/// @file AliHLTTPCFileHandler.h
11/// @author U. Frankenfeld, A. Vestbo, C. Loizides, maintained by
12/// Matthias Richter
13/// @date
14/// @brief file input for the TPC tracking code before migration to the
15/// HLT component framework
16///
17
18#include "AliHLTTPCMemHandler.h"
19
20class TClonesArray;
21
22class AliSimDigits;
23class AliTPCParam;
24#include <AliRunLoader.h>
25
26class TObject;
27class TFile;
28class TTree;
29
30struct AliHLTTPCSpacePointData;
31struct AliHLTTPCDigitRowData;
32struct AliHLTTPCTrackSegmentData;
33class AliHLTTPCTrackArray;
34
35/**
36 * @class AliHLTTPCFileHandler
37 * This is the input interface class for the TPC tracking code before conversion to
38 * the HLT component framework.
39 *
40 * @ingroup alihlt_tpc
41 */
42class AliHLTTPCFileHandler:public AliHLTTPCMemHandler {
43
44 public:
45 /** standard constructor */
46 AliHLTTPCFileHandler(Bool_t b=kFALSE);
47 /** destructor */
48 virtual ~AliHLTTPCFileHandler();
49
50 void FreeDigitsTree();
51 static void CleanStaticIndex();
52 static Int_t SaveStaticIndex(Char_t *prefix=0,Int_t event=0);
53 static Int_t LoadStaticIndex(Char_t *prefix=0,Int_t event=0);
54
55 Bool_t SetAliInput(Char_t *name);
56 Bool_t SetAliInput(AliRunLoader *runLoader);
57 void CloseAliInput();
58 Bool_t IsDigit(Int_t event);
59
60 Bool_t SetMCOutput(Char_t *name);
61 Bool_t SetMCOutput(FILE *file);
62 void CloseMCOutput();
63
64 //Digit IO
65
66 /**
67 * Write AliDigits from AliRoot file to binary file.
68 * @param event event no
69 * @param altro use @ref AliDigits2Memory if kFALSE and @ref
70 * AliDigits2Memory if kTRUE
71 *
72 * Calls the @ref AliHLTTPCMemHandler::Memory2BinaryFile to write the file.
73 */
74
75 Bool_t AliDigits2BinaryFile(Int_t event=0,Bool_t altro=kFALSE);
76
77 /**
78 * Convert AliDigits from AliRoot file to HLT Digit data in memory.
79 * Read and convert/write digits to memory buffer. If no target buffer available,
80 * an appropriate buffer is allocated.<br>
81 * If the variable pTgtSize is prvided, the total size of the result array is
82 * returned. \b Note: the total size differs as the @ref AliHLTTPCDigitRowData
83 * structs are variable in size depending on the no of digits for that particular
84 * row.
85 * @param nrow [OUT] number of rows
86 * @param event the event no
87 * @param tgtBuffer target buffer (optional)
88 * @param pTgtSize size of target buffer (optional)
89 * @return pointer to array, size in nrow <br>
90 * NULL in case of failure, required size in pTgtSize
91 */
92 //TODO: Check that the following change works. It should, but just double check.
93 AliHLTTPCDigitRowData *AliDigits2Memory(UInt_t & nrow,Int_t event, Byte_t* tgtBuffer, UInt_t* pTgtSize=NULL);
94
95 AliHLTTPCDigitRowData *AliDigits2Memory(UInt_t & nrow,Int_t event=0)
96 {
97 return AliDigits2Memory(nrow, event, NULL, NULL);
98 }
99
100 /**
101 * Convert and filter AliDigits from AliRoot file to HLT Digit data in memory.
102 * This functions is the same as @ref AliDigits2Memory but in addition it
103 * filters out single timebins, which is noise. The timebins which
104 * are removed are timebins which have the 4 zero neighbours;
105 * (pad-1,time),(pad+1,time),(pad,time-1),(pad,time+1).
106 *
107 * This is legacy code, the two functions contain big portions of identical code
108 * will be merged.
109 * See @ref AliDigits2Memory for detailed description.
110 */
111 AliHLTTPCDigitRowData *AliAltroDigits2Memory(UInt_t & nrow,Int_t event=0,Bool_t eventmerge=kFALSE);
112
113 /**
114 * Convert AliDigits from AliRoot file to Altro data format in memory.
115 */
116 int AliDigits2Altro(Int_t event, Byte_t* tgtBuffer, UInt_t size);
117
118 /**
119 * Write AliDigits from AliRoot file to binary file.
120 * @param event event no
121 * @param altro use @ref AliDigits2Memory if kFALSE and @ref
122 * AliDigits2Memory if kTRUE
123 *
124 * \b Note: pretty much the same as @ref AliDigits2BinaryFile.
125 * Calls the @ref AliHLTTPCMemHandler::Memory2CompBinary to write the file.
126 */
127 Bool_t AliDigits2CompBinary(Int_t event=0,Bool_t altro=kFALSE);
128
129 //Point IO
130
131 Bool_t AliPoints2Binary(Int_t eventn=0);
132 // Is this really still used : JMT 2013-03-03 - corresponding IO removed in TPC
133 // AliHLTTPCSpacePointData *AliPoints2Memory(UInt_t & npoint,Int_t eventn=0);//Allocates Memory
134
135 protected:
136 AliRunLoader *fInAli;//!
137 Bool_t fUseRunLoader; //use runloader
138
139 AliTPCParam *fParam;//!
140 AliSimDigits *fDigits;//!
141
142 TTree *fDigitsTree;//!
143 FILE *fMC;//!
144
145 Bool_t fIndexCreated; //is index created
146 Int_t fIndex[fgkNSlice][fgkNRow]; //stores index over digitstree
147 //for faster access w/o ASVVERSION
148 Bool_t fUseStaticIndex; //take static index
149 static Bool_t fgStaticIndexCreated; //global index created
150 static Int_t fgStaticIndex[fgkNSlice][fgkNRow]; //global index
151
152 virtual Bool_t SetAliInput();
153 Bool_t GetDigitsTree(Int_t event);
154 Bool_t CreateIndex(); //create the index
155
156 private:
157 /** copy constructor prohibited */
158 AliHLTTPCFileHandler(const AliHLTTPCFileHandler&);
159 /** assignment operator prohibited */
160 AliHLTTPCFileHandler& operator=(const AliHLTTPCFileHandler&);
161
162 ClassDef(AliHLTTPCFileHandler,0) //HLT TPC Filehandler IO class
163};
164
165#endif