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afad6dde | 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 AliHLTControlTask.cxx | |
20 | @author Matthias Richter | |
21 | @date | |
22 | @brief Special task to produce the control events. | |
23 | */ | |
24 | ||
25 | #include "AliHLTControlTask.h" | |
26 | #include "AliHLTComponentHandler.h" | |
27 | #include <cassert> | |
28 | ||
29 | /** ROOT macro for the implementation of ROOT specific class methods */ | |
30 | ClassImp(AliHLTControlTask) | |
31 | ||
32 | AliHLTControlTask::AliHLTControlTask() | |
33 | : | |
34 | fEvent(kAliHLTVoidDataType), | |
35 | fSpecification(kAliHLTVoidDataSpec), | |
36 | fpData(NULL), | |
37 | fSize(0) | |
38 | { | |
39 | // see header file for class documentation | |
40 | // or | |
41 | // refer to README to build package | |
42 | // or | |
43 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
44 | } | |
45 | ||
46 | AliHLTControlTask::~AliHLTControlTask() | |
47 | { | |
48 | // see header file for class documentation | |
49 | } | |
50 | ||
51 | int AliHLTControlTask::CreateComponent(AliHLTConfiguration* /*pConf*/, AliHLTComponentHandler* pCH, AliHLTComponent*& pComponent) const | |
52 | { | |
53 | // see header file for class documentation | |
54 | int iResult=0; | |
55 | if ((pComponent=new AliHLTControlEventComponent(this))) { | |
56 | const AliHLTAnalysisEnvironment* pEnv=pCH->GetEnvironment(); | |
57 | if ((iResult=pComponent->Init(pEnv, NULL, 0, NULL))>=0) { | |
58 | //HLTDebug("component %s (%p) created", pComponent->GetComponentID(), pComponent); | |
59 | } else { | |
60 | HLTError("Initialization of component \"%s\" failed with error %d", pComponent->GetComponentID(), iResult); | |
61 | } | |
62 | return iResult; | |
63 | } | |
64 | return -ENOMEM; | |
65 | } | |
66 | ||
67 | AliHLTControlTask::AliHLTControlEventComponent::AliHLTControlEventComponent(const AliHLTControlTask* pParent) | |
68 | : | |
69 | fpParent(pParent) | |
70 | { | |
71 | // see header file for class documentation | |
72 | assert(pParent); | |
73 | } | |
74 | ||
75 | AliHLTControlTask::AliHLTControlEventComponent::~AliHLTControlEventComponent() | |
76 | { | |
77 | // see header file for class documentation | |
78 | } | |
79 | ||
80 | AliHLTComponentDataType AliHLTControlTask::AliHLTControlEventComponent::GetOutputDataType() | |
81 | { | |
82 | // see header file for class documentation | |
83 | return kAliHLTMultipleDataType; | |
84 | } | |
85 | ||
86 | int AliHLTControlTask::AliHLTControlEventComponent::GetOutputDataTypes(AliHLTComponentDataTypeList& tgtList) | |
87 | { | |
88 | // see header file for class documentation | |
89 | tgtList.clear(); | |
90 | tgtList.push_back(kAliHLTDataTypeSOR); | |
91 | tgtList.push_back(kAliHLTDataTypeEOR); | |
92 | return tgtList.size(); | |
93 | } | |
94 | ||
95 | void AliHLTControlTask::AliHLTControlEventComponent::GetOutputDataSize( unsigned long& constBase, double& inputMultiplier ) | |
96 | { | |
97 | // see header file for class documentation | |
98 | if (fpParent && fpParent->fSize>0) constBase=fpParent->fSize; | |
99 | else constBase=sizeof(AliHLTRunDesc); | |
100 | inputMultiplier=0; | |
101 | } | |
102 | ||
103 | int AliHLTControlTask::AliHLTControlEventComponent::GetEvent(const AliHLTComponentEventData& /*evtData*/, | |
104 | AliHLTComponentTriggerData& /*trigData*/, | |
105 | AliHLTUInt8_t* outputPtr, | |
106 | AliHLTUInt32_t& size, | |
107 | vector<AliHLTComponentBlockData>& outputBlocks ) | |
108 | { | |
109 | // see header file for class documentation | |
110 | if (!fpParent) return -ENODEV; | |
111 | const AliHLTControlTask* pParent=fpParent; | |
112 | if (size<pParent->fSize) { | |
113 | return -ENOSPC; | |
114 | } | |
115 | ||
116 | if (pParent->fpData && pParent->fSize) { | |
117 | memcpy(outputPtr, pParent->fpData, pParent->fSize); | |
118 | } | |
119 | ||
120 | // return if no event has been set | |
121 | if (pParent->fEvent==kAliHLTVoidDataType) { | |
122 | HLTInfo("no control event to send"); | |
123 | return 0; | |
124 | } | |
125 | ||
126 | HLTInfo("publishing control event %s", DataType2Text(pParent->fEvent).c_str()); | |
127 | AliHLTComponentBlockData bd; | |
128 | FillBlockData(bd); | |
129 | bd.fOffset=0; | |
130 | bd.fSize=pParent->fSize; | |
131 | bd.fDataType=pParent->fEvent; | |
132 | bd.fSpecification=pParent->fSpecification; | |
133 | outputBlocks.push_back( bd ); | |
134 | ||
135 | return bd.fSize; | |
136 | } |