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62bb3cd4 | 1 | // $Id$ |
2 | ||
3 | /************************************************************************** | |
4 | * This file is property of and copyright by the ALICE HLT Project * | |
5 | * ALICE Experiment at CERN, All rights reserved. * | |
6 | * * | |
7 | * Primary Authors: Matthias Richter <Matthias.Richter@ift.uib.no> * | |
8 | * for The ALICE HLT Project. * | |
9 | * * | |
10 | * Permission to use, copy, modify and distribute this software and its * | |
11 | * documentation strictly for non-commercial purposes is hereby granted * | |
12 | * without fee, provided that the above copyright notice appears in all * | |
13 | * copies and that both the copyright notice and this permission notice * | |
14 | * appear in the supporting documentation. The authors make no claims * | |
15 | * about the suitability of this software for any purpose. It is * | |
16 | * provided "as is" without express or implied warranty. * | |
17 | **************************************************************************/ | |
18 | ||
19 | /** @file AliHLTOUT.cxx | |
20 | @author Matthias Richter | |
21 | @date | |
22 | @brief The control class for HLTOUT data. */ | |
23 | ||
4de7334f | 24 | // see header file for class documentation |
25 | // or | |
26 | // refer to README to build package | |
27 | // or | |
28 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
62bb3cd4 | 29 | |
4de7334f | 30 | #include <cerrno> |
62bb3cd4 | 31 | #include "AliHLTOUT.h" |
32 | ||
33 | /** ROOT macro for the implementation of ROOT specific class methods */ | |
34 | ClassImp(AliHLTOUT) | |
35 | ||
36 | AliHLTOUT::AliHLTOUT() | |
4de7334f | 37 | : |
38 | fSearchDataType(kAliHLTVoidDataType), | |
39 | fSearchSpecification(kAliHLTVoidDataSpec), | |
049b43b2 | 40 | fFlags(0), |
4de7334f | 41 | fBlockDescList(), |
42 | fCurrent(fBlockDescList.begin()), | |
43 | fpBuffer(NULL) | |
44 | { | |
62bb3cd4 | 45 | // see header file for class documentation |
46 | // or | |
47 | // refer to README to build package | |
48 | // or | |
49 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
50 | } | |
51 | ||
52 | AliHLTOUT::~AliHLTOUT() | |
4de7334f | 53 | { |
54 | // see header file for class documentation | |
55 | } | |
56 | ||
57 | int AliHLTOUT::GetNofDataBlocks() | |
58 | { | |
59 | // see header file for class documentation | |
60 | return fBlockDescList.size(); | |
61 | } | |
62 | ||
63 | int AliHLTOUT::SelectFirstDataBlock(AliHLTComponentDataType dt, AliHLTUInt32_t spec) | |
64 | { | |
65 | // see header file for class documentation | |
049b43b2 | 66 | if (CheckStatusFlag(kLocked)) return -EPERM; |
4de7334f | 67 | fCurrent=fBlockDescList.begin(); |
68 | fSearchDataType=dt; | |
69 | fSearchSpecification=spec; | |
049b43b2 | 70 | return FindAndSelectDataBlock(); |
4de7334f | 71 | } |
72 | ||
73 | int AliHLTOUT::SelectNextDataBlock() | |
74 | { | |
75 | // see header file for class documentation | |
049b43b2 | 76 | if (CheckStatusFlag(kLocked)) return -EPERM; |
77 | fCurrent++; | |
78 | return FindAndSelectDataBlock(); | |
79 | } | |
80 | ||
81 | int AliHLTOUT::FindAndSelectDataBlock() | |
82 | { | |
83 | // see header file for class documentation | |
84 | if (CheckStatusFlag(kLocked)) return -EPERM; | |
4de7334f | 85 | int iResult=-ENOENT; |
86 | while (fCurrent!=fBlockDescList.end() && iResult==-ENOENT) { | |
87 | if ((fSearchDataType==kAliHLTAnyDataType || (*fCurrent)==fSearchDataType) && | |
88 | fSearchSpecification==kAliHLTVoidDataSpec || (*fCurrent)==fSearchSpecification) { | |
89 | iResult=0; | |
049b43b2 | 90 | // TODO: check the byte order on the current system and the byte order of the |
91 | // data block, print warning when missmatch and user did not check | |
92 | AliHLTOUTByteOrder_t blockBO=CheckByteOrder(); | |
93 | /* | |
94 | if (blockBO!=fByteOrder) { | |
95 | SetStatusFlag(kByteOrderWarning); | |
96 | ||
97 | } | |
98 | */ | |
99 | ClearStatusFlag(kByteOrderChecked); | |
100 | ||
101 | // TODO: check the alignment on the current system and the alignment of the | |
102 | // data block, print warning when missmatch and user did not check | |
103 | ClearStatusFlag(kAlignmentChecked); | |
4de7334f | 104 | } |
049b43b2 | 105 | fCurrent++; |
4de7334f | 106 | } |
107 | return iResult; | |
108 | } | |
109 | ||
110 | int AliHLTOUT::GetDataBlockDescription(AliHLTComponentDataType& dt, AliHLTUInt32_t& spec) | |
111 | { | |
112 | // see header file for class documentation | |
113 | int iResult=-ENOENT; | |
114 | if (fCurrent!=fBlockDescList.end()) { | |
115 | iResult=0; | |
116 | dt=(*fCurrent); | |
117 | spec=(*fCurrent); | |
118 | } | |
119 | return iResult; | |
120 | } | |
121 | ||
122 | int AliHLTOUT::GetDataBuffer(const AliHLTUInt8_t* &pBuffer, AliHLTUInt32_t& size) | |
123 | { | |
124 | // see header file for class documentation | |
125 | int iResult=-ENOENT; | |
126 | pBuffer=NULL; | |
127 | size=0; | |
128 | if (fCurrent!=fBlockDescList.end()) { | |
129 | if ((iResult=GetDataBuffer((*fCurrent).GetIndex(), pBuffer, size))>=0) { | |
130 | fpBuffer=pBuffer; | |
131 | } | |
132 | } | |
133 | return iResult; | |
134 | } | |
135 | ||
136 | int AliHLTOUT::ReleaseDataBuffer(const AliHLTUInt8_t* pBuffer) | |
137 | { | |
138 | // see header file for class documentation | |
139 | int iResult=0; | |
140 | if (pBuffer==fpBuffer) { | |
141 | fpBuffer=NULL; | |
142 | } else { | |
143 | HLTWarning("buffer %p does not match the provided one %p", pBuffer, fpBuffer); | |
144 | } | |
145 | return iResult; | |
146 | } | |
147 | ||
148 | int AliHLTOUT::AddBlockDescriptor(const AliHLTOUTBlockDescriptor desc) | |
149 | { | |
62bb3cd4 | 150 | // see header file for class documentation |
049b43b2 | 151 | if (!CheckStatusFlag(kCollecting)) return -EPERM; |
4de7334f | 152 | int iResult=0; |
153 | fBlockDescList.push_back(desc); | |
154 | return iResult; | |
62bb3cd4 | 155 | } |
049b43b2 | 156 | |
157 | AliHLTOUT::AliHLTOUTByteOrder_t AliHLTOUT::CheckByteOrder() | |
158 | { | |
159 | if (fCurrent!=fBlockDescList.end()) { | |
160 | SetStatusFlag(kByteOrderChecked); | |
161 | AliHLTOUT::AliHLTOUTByteOrder_t order=CheckBlockByteOrder((*fCurrent).GetIndex()); | |
162 | return order; | |
163 | } | |
164 | return kInvalidByteOrder; | |
165 | } | |
166 | ||
167 | int AliHLTOUT::CheckAlignment(AliHLTOUT::AliHLTOUTDataType_t type) | |
168 | { | |
169 | if (fCurrent!=fBlockDescList.end()) { | |
170 | SetStatusFlag(kAlignmentChecked); | |
171 | int alignment=CheckBlockAlignment((*fCurrent).GetIndex(), type); | |
172 | return alignment; | |
173 | } | |
174 | return -ENOENT; | |
175 | } |