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7c4d1228 | 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 AliHLTOUTHandlerDetectorDDL.cxx | |
20 | @author Matthias Richter | |
21 | @date 2008-09-09 | |
22 | @brief HLTOUT handler returning equipment id from data type and spec. | |
23 | */ | |
24 | ||
25 | #include "AliHLTOUTHandlerDetectorDDL.h" | |
26 | #include "AliHLTOUT.h" | |
27 | #include "AliHLTDAQ.h" | |
28 | ||
29 | /** ROOT macro for the implementation of ROOT specific class methods */ | |
30 | ClassImp(AliHLTOUTHandlerDetectorDDL) | |
31 | ||
32 | AliHLTOUTHandlerDetectorDDL::AliHLTOUTHandlerDetectorDDL(const char* detector, AliHLTComponentDataType dt) | |
33 | : | |
34 | fDDLOffset(-1), | |
35 | fNumberOfDDLs(-1), | |
36 | fDt(dt) | |
37 | { | |
38 | // see header file for class documentation | |
39 | // or | |
40 | // refer to README to build package | |
41 | // or | |
42 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
43 | ||
44 | fDDLOffset=AliHLTDAQ::DdlIDOffset(detector); | |
45 | fNumberOfDDLs=AliHLTDAQ::NumberOfDdls(detector); | |
46 | } | |
47 | ||
48 | AliHLTOUTHandlerDetectorDDL::~AliHLTOUTHandlerDetectorDDL() | |
49 | { | |
50 | // see header file for class documentation | |
51 | } | |
52 | ||
53 | int AliHLTOUTHandlerDetectorDDL::ProcessData(AliHLTOUT* pData) | |
54 | { | |
55 | // see header file for class documentation | |
56 | if (!pData) return -EINVAL; | |
57 | if (fDDLOffset<0 || fNumberOfDDLs<0) return -ENODEV; | |
58 | ||
59 | static int errorCount=0; | |
60 | const int maxErrorCount=10; | |
61 | AliHLTComponentDataType dt=kAliHLTVoidDataType; | |
62 | AliHLTUInt32_t spec=kAliHLTVoidDataSpec; | |
63 | int iResult=pData->GetDataBlockDescription(dt, spec); | |
64 | if (iResult>=0 && dt!=kAliHLTVoidDataType && spec!=kAliHLTVoidDataSpec) { | |
65 | if (dt==fDt) { | |
66 | int ddlNo=0; | |
67 | for (;ddlNo<32 && ddlNo<fNumberOfDDLs; ddlNo++) { | |
68 | if (spec&(0x1<<ddlNo)) break; | |
69 | } | |
70 | if (ddlNo>=32 || ddlNo>=fNumberOfDDLs) { | |
71 | HLTError("invalid specification 0x%08x: can not extract DDL id for data block %s", spec, AliHLTComponent::DataType2Text(dt).c_str()); | |
72 | iResult=-ENODEV; | |
73 | } else if (spec^(0x1<<ddlNo)) { | |
74 | iResult=-EEXIST; | |
75 | HLTError("multiple links set in specification 0x%08x: can not extract DDL id for data block %s", spec, AliHLTComponent::DataType2Text(dt).c_str()); | |
76 | } else { | |
77 | iResult=fDDLOffset+ddlNo; | |
78 | } | |
79 | } else { | |
80 | if (errorCount++<10) { | |
81 | HLTError("wrong data type: expecting %s, got %s%s", | |
82 | AliHLTComponent::DataType2Text(fDt).c_str(), | |
83 | AliHLTComponent::DataType2Text(dt).c_str(), | |
84 | errorCount==maxErrorCount?"; suppressing further error messages":""); | |
85 | } | |
86 | iResult=-EBADF; | |
87 | } | |
88 | } else { | |
89 | if (errorCount++<10) { | |
90 | HLTError("can not get a valid data type and specification from HLTOUT: type %s, specification 0x%08x%s", | |
91 | AliHLTComponent::DataType2Text(dt).c_str(), spec, | |
92 | errorCount==maxErrorCount?"; suppressing further error messages":""); | |
93 | } | |
94 | iResult=-ENODATA; | |
95 | } | |
96 | return iResult; | |
97 | } |