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31a920d3 | 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 | /// | |
18 | /// This class provides fast access to Altro raw data. | |
19 | /// | |
20 | /// It loops over all Altro payload in the raw data given by the AliRawReader. | |
21 | /// | |
22 | /// | |
23 | /////////////////////////////////////////////////////////////////////////////// | |
24 | ||
25 | #include "AliAltroRawStreamFast.h" | |
26 | #include "AliRawReader.h" | |
27 | #include "AliLog.h" | |
28 | ||
29 | ClassImp(AliAltroRawStreamFast) | |
30 | ||
31 | ||
32 | //_____________________________________________________________________________ | |
33 | AliAltroRawStreamFast::AliAltroRawStreamFast(AliRawReader* rawReader) : | |
53d3458c | 34 | fDDLNumber(-1), |
35 | fPrevDDLNumber(-1), | |
31a920d3 | 36 | fDecoder(), |
37 | fData(), | |
38 | fBunch(), | |
39 | fRawReader(rawReader) | |
40 | { | |
41 | // Default constructor | |
42 | fRawReader->Reset(); | |
43 | } | |
44 | ||
45 | AliAltroRawStreamFast::~AliAltroRawStreamFast() | |
46 | { | |
47 | // Destructor | |
48 | } | |
49 | ||
50 | //_____________________________________________________________________________ | |
51 | void AliAltroRawStreamFast::SelectRawData(Int_t detId) | |
52 | { | |
53 | // Select the raw data for specific | |
54 | // detector id | |
55 | AliDebug(1,Form("Selecting raw data for detector %d",detId)); | |
56 | fRawReader->Select(detId); | |
57 | } | |
58 | ||
59 | //_____________________________________________________________________________ | |
60 | void AliAltroRawStreamFast::SelectRawData(const char *detName) | |
61 | { | |
62 | // Select the raw data for specific | |
63 | // detector name | |
64 | AliDebug(1,Form("Selecting raw data for detector %s",detName)); | |
65 | fRawReader->Select(detName); | |
66 | } | |
53d3458c | 67 | //_____________________________________________________________________________ |
68 | void AliAltroRawStreamFast::Reset() | |
69 | { | |
70 | // reset altro raw stream params | |
71 | ||
72 | fDDLNumber = fPrevDDLNumber = -1; | |
73 | if (fRawReader) fRawReader->Reset(); | |
31a920d3 | 74 | |
53d3458c | 75 | } |
76 | //_____________________________________________________________________________ | |
31a920d3 | 77 | Bool_t AliAltroRawStreamFast::NextDDL() |
78 | { | |
79 | // Read next DDL raw-data payload and | |
80 | // runs the altro decoder over the payload | |
81 | ||
82 | UChar_t *dataPtr = NULL; | |
83 | do { | |
84 | if (!fRawReader->ReadNextData(dataPtr)) return kFALSE; | |
85 | } while (fRawReader->GetDataSize() == 0); | |
53d3458c | 86 | fPrevDDLNumber = fDDLNumber; |
87 | fDDLNumber = fRawReader->GetDDLID(); | |
31a920d3 | 88 | |
89 | // Temporary solution while Per Thomas is | |
90 | // changing the decoder code | |
91 | dataPtr -= sizeof(AliRawDataHeader); | |
92 | Int_t length = fRawReader->GetDataSize() + sizeof(AliRawDataHeader); | |
93 | ||
94 | fDecoder.SetMemory(dataPtr, length); | |
95 | fDecoder.Decode(); | |
96 | ||
97 | return kTRUE; | |
98 | } | |
53d3458c | 99 | //_____________________________________________________________________________ |
31a920d3 | 100 | Bool_t AliAltroRawStreamFast::NextChannel() |
101 | { | |
102 | // Get the data for the next altro channel | |
103 | do { | |
104 | if (!fDecoder.NextChannel(&fData)) return kFALSE; | |
105 | } while (fData.GetDataSize() == 0); | |
106 | return kTRUE; | |
107 | } | |
53d3458c | 108 | //_____________________________________________________________________________ |
31a920d3 | 109 | Bool_t AliAltroRawStreamFast::NextBunch() |
110 | { | |
111 | // Get the data for the next altro bunch | |
112 | return fData.NextBunch(&fBunch); | |
113 | } |