Fixes for building of DA (Anshul)
[u/mrichter/AliRoot.git] / TPC / AliTPCMonitorDateFile.cxx
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48265b32 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15
16/*
17$Log$
fb3305d1 18Revision 1.2 2007/10/12 13:36:27 cvetan
19Coding convention fixes from Stefan
20
ca7b8371 21Revision 1.1 2007/09/17 10:23:31 cvetan
22New TPC monitoring package from Stefan Kniege. The monitoring package can be started by running TPCMonitor.C macro located in macros folder.
23
48265b32 24*/
25
ca7b8371 26////////////////////////////////////////////////////////////////////////
fb3305d1 27////
28//// AliTPCMonitorDateFile class
29////
30//// Class for handling the data structure in a DATE file
31//// Used to read DATE files for the TPC raw data Monitor
32////
33//// Author: Roland Bramm
34//// Stefan Kniege, IKF, Frankfurt
35////
36////
ca7b8371 37/////////////////////////////////////////////////////////////////////////
38
39
48265b32 40
ca7b8371 41#include "AliTPCMonitorDateFile.h"
42#include "AliTPCMonitorDateFormat.h"
43#include <Riostream.h>
48265b32 44ClassImp(AliTPCMonitorDateFile)
45
46//____________________________________________________________________________
ca7b8371 47AliTPCMonitorDateFile::AliTPCMonitorDateFile() :
48 ffilePos(0),
49 fbigMem(0),
50 fbigMemsize(0),
51 fisBigMemAllocated(false),
52 ffileSize(0),
53 ffilename(""),
54 finitFile(false),
55 freadPosOverflow(false),
56 fin(new ifstream())
48265b32 57{
58 // Constructor
48265b32 59}
60
61//____________________________________________________________________________
ca7b8371 62AliTPCMonitorDateFile::AliTPCMonitorDateFile(const AliTPCMonitorDateFile &datefile) :
63 TNamed(datefile.GetName(),datefile.GetTitle()),
64 ffilePos(datefile.ffilePos),
65 fbigMem(datefile.fbigMem),
66 fbigMemsize(datefile.fbigMemsize),
67 fisBigMemAllocated(datefile.fisBigMemAllocated),
68 ffileSize(datefile.ffileSize),
69 ffilename(datefile.ffilename),
70 finitFile(datefile.finitFile),
71 freadPosOverflow(datefile.freadPosOverflow),
72 fin(new ifstream())
73{
74 // copy constructor
75}
76
77//____________________________________________________________________________
78AliTPCMonitorDateFile &AliTPCMonitorDateFile:: operator= (const AliTPCMonitorDateFile& datefile)
79{
80
81 // assignment operator
82 if(this!=&datefile)
83 {
84 ffilePos=datefile.ffilePos;
85 fbigMem=datefile.fbigMem;
86 fbigMemsize=datefile.fbigMemsize;
87 fisBigMemAllocated=datefile.fisBigMemAllocated;
88 ffileSize=datefile.ffileSize;
89 ffilename=datefile.ffilename;
90 finitFile=datefile.finitFile;
91 freadPosOverflow=datefile.freadPosOverflow;
92 fin = new ifstream();
93 }
94 return *this;
95}
96
97//____________________________________________________________________________
48265b32 98AliTPCMonitorDateFile::~AliTPCMonitorDateFile()
99{
100 // Destructor
101 delete fin;
102 if(fisBigMemAllocated == true){
103 delete[] fbigMem;
104 }
105}
106
107//____________________________________________________________________________
108void AliTPCMonitorDateFile::OpenDateFile(string name)
109{
110 // Open DATE file
111 if( (ffilename != name) && (finitFile == true) ) {
112 CloseDateFile();
113 ResetFilePos();
114 }
115 fin->open(name.c_str());
116 ffilename = name;
117 SetFileSize();
118 finitFile = true;
119}
120
121//____________________________________________________________________________
122Bool_t AliTPCMonitorDateFile::IsDateFileOpen()
123{
124 // Check if DATE file is open
125 return fin->is_open();
126}
127
128//____________________________________________________________________________
129void AliTPCMonitorDateFile::CloseDateFile()
130{
131 // Close DATE file
132 fin->close();
133 freadPosOverflow = false;
134 delete fin;
135 fin = new ifstream();
136}
137
138//____________________________________________________________________________
139void AliTPCMonitorDateFile::ResetFilePos()
140{
141 // Reset file position
142 ffilePos = 0;
143}
144
145//____________________________________________________________________________
146void AliTPCMonitorDateFile::SetFileSize()
147{
148 // Set size of DATE file
149 fin->seekg (0, ios::end);
150 ffileSize = fin->tellg();
151 fin->seekg (0, ios::beg);
152}
153
154//____________________________________________________________________________
fb3305d1 155Int_t AliTPCMonitorDateFile::GetFileSize() const
48265b32 156{
157 // Return size of DATE file
158 return ffileSize;
159}
160
161//____________________________________________________________________________
162void AliTPCMonitorDateFile::ReadEvent()
163{
164 // Read in event from file
165 Int_t size;
ca7b8371 166 Char_t fmem[512]; // array for event header
48265b32 167 Char_t swapcarry[4];
168 Bool_t toSwapEndian = false;
169 //Fetch some bytes to get headers to know how much
170 fin->seekg(ffilePos);
171 //if( (getFilePosition() + sizeof(fmem)) <= (unsigned int)getFileSize()){
172 UInt_t sfmem = 272;
173 if( (GetFilePosition() + sfmem) <= (UInt_t)GetFileSize()){
174
175
176 fin->read((Char_t*)fmem,sfmem);
177 fin->seekg(ffilePos);
fb3305d1 178 AliTPCMonitorDateFormat *dateform;
179 dateform = new AliTPCMonitorDateFormat((Char_t *)&fmem);
48265b32 180
181
182
fb3305d1 183 toSwapEndian = dateform->IsEventWrongEndian();
48265b32 184 if(toSwapEndian == true){
fb3305d1 185 delete dateform;
48265b32 186 for(Int_t i = 0; i < 68; i++) {
187 swapcarry[0] = fmem[(i*4)+0];
188 swapcarry[1] = fmem[(i*4)+1];
189 swapcarry[2] = fmem[(i*4)+2];
190 swapcarry[3] = fmem[(i*4)+3];
191 fmem[(i*4)+0] = swapcarry[3];
192 fmem[(i*4)+1] = swapcarry[2];
193 fmem[(i*4)+2] = swapcarry[1];
194 fmem[(i*4)+3] = swapcarry[0];
195 }
fb3305d1 196 dateform = new AliTPCMonitorDateFormat((Char_t *)&fmem);
48265b32 197 }
fb3305d1 198 size = dateform->GetEventSize();
48265b32 199 if(size > GetAllocatedSizeofArray()) {
200 AllocateArray((Int_t)(size*1.1));
201 }
202 if( (GetFilePosition() + size) <= GetFileSize()){
203 fin->read((Char_t*)fbigMem,size);
204 if(toSwapEndian == true){
205 for(Int_t i = 0; i < (size/4); i++) {
206 swapcarry[0] = fbigMem[(i*4)+0];
207 swapcarry[1] = fbigMem[(i*4)+1];
208 swapcarry[2] = fbigMem[(i*4)+2];
209 swapcarry[3] = fbigMem[(i*4)+3];
210 fbigMem[(i*4)+0] = swapcarry[3];
211 fbigMem[(i*4)+1] = swapcarry[2];
212 fbigMem[(i*4)+2] = swapcarry[1];
213 fbigMem[(i*4)+3] = swapcarry[0];
214 }
215 }
216 ffilePos += size;
217 }else{
218 freadPosOverflow = true;
219 }
fb3305d1 220 delete dateform;
48265b32 221 }else{
222 freadPosOverflow = true;
223 }
224}
225
226//____________________________________________________________________________
fb3305d1 227Bool_t AliTPCMonitorDateFile::IsLastEvent() const
48265b32 228{
229 // Check if event is last event in file
230 Bool_t retval;
231 if( (ffilePos < ffileSize) && (freadPosOverflow == false) )
232 retval = false;
233 else
234 retval = true;
235 return retval;
236}
237
238//____________________________________________________________________________
fb3305d1 239Bool_t AliTPCMonitorDateFile::IsEventValid() const
48265b32 240{
241 // Check Over flow flag
242 Bool_t retval;
243 if(freadPosOverflow == false)
244 retval = true;
245 else
246 retval = false;
247 return retval;
248}
249
250//____________________________________________________________________________
fb3305d1 251Int_t AliTPCMonitorDateFile::GetFilePosition() const
48265b32 252{
253 // Return current position in file
254 return ffilePos;
255}
256
257//____________________________________________________________________________
fb3305d1 258Int_t AliTPCMonitorDateFile::GetAllocatedSizeofArray() const
48265b32 259{
260 // Return size of allocated data array
261 return fbigMemsize;
262}
263
264//____________________________________________________________________________
265void AliTPCMonitorDateFile::AllocateArray(Int_t size)
266{
267 // allocate data array
268 if(fisBigMemAllocated == false) {
269 fbigMem = new Char_t[size];
270 fbigMemsize = size;
271 fisBigMemAllocated = true;
272 } else {
273 delete fbigMem;
274 fbigMem = new Char_t[size];
275 fbigMemsize = size;
276 fisBigMemAllocated = true;
277 }
278}
279
280//____________________________________________________________________________
281Char_t *AliTPCMonitorDateFile::GetMemoryPointer()
282{
283 // Return pointer to data array
284 return fbigMem;
285}
286