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7a436c89 | 1 | // $Id$ |
2 | // splitted from AliHLTConfiguration.cxx,v 1.25 2007/10/12 13:24:47 | |
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 AliHLTConfigurationHandler.cxx | |
20 | @author Matthias Richter | |
21 | @date | |
22 | @brief Implementation of HLT tasks. | |
23 | */ | |
24 | ||
25 | // see header file for class documentation | |
26 | // or | |
27 | // refer to README to build package | |
28 | // or | |
29 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
30 | ||
31 | #if __GNUC__>= 3 | |
32 | using namespace std; | |
33 | #endif | |
34 | ||
35 | #include <cerrno> | |
36 | #include <iostream> | |
37 | #include <string> | |
38 | #include "AliHLTConfigurationHandler.h" | |
39 | #include "AliHLTConfiguration.h" | |
40 | ||
41 | /** ROOT macro for the implementation of ROOT specific class methods */ | |
42 | ClassImp(AliHLTConfigurationHandler) | |
43 | ||
44 | AliHLTConfigurationHandler::AliHLTConfigurationHandler() | |
45 | : | |
46 | fgListConfigurations() | |
47 | { | |
48 | // see header file for class documentation | |
49 | // or | |
50 | // refer to README to build package | |
51 | // or | |
52 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
53 | SetLocalLoggingLevel(kHLTLogInfo); | |
54 | } | |
55 | ||
56 | AliHLTConfigurationHandler::~AliHLTConfigurationHandler() | |
57 | { | |
58 | // see header file for function documentation | |
59 | TObjLink* lnk=NULL; | |
60 | while ((lnk=fgListConfigurations.FirstLink())!=NULL) { | |
61 | AliHLTConfiguration* pConf=(AliHLTConfiguration*)lnk->GetObject(); | |
62 | HLTDebug("delete configuration \"%s\"", pConf->GetName()); | |
63 | fgListConfigurations.Remove(lnk); | |
64 | delete pConf; | |
65 | } | |
66 | } | |
67 | ||
b005ef92 | 68 | AliHLTConfigurationHandler* AliHLTConfigurationHandler::fgpInstance=NULL; |
69 | int AliHLTConfigurationHandler::fgNofInstances=0; | |
70 | ||
71 | AliHLTConfigurationHandler* AliHLTConfigurationHandler::CreateHandler() | |
72 | { | |
73 | // see header file for class documentation | |
74 | if (!fgpInstance) fgpInstance=new AliHLTConfigurationHandler; | |
75 | fgNofInstances++; | |
76 | return fgpInstance; | |
77 | } | |
78 | ||
79 | int AliHLTConfigurationHandler::Destroy() | |
80 | { | |
81 | // see header file for class documentation | |
82 | int nofInstances=0; | |
83 | if (fgpInstance==this) { | |
84 | nofInstances=fgNofInstances--; | |
85 | } | |
86 | if (nofInstances==0) delete this; | |
87 | return nofInstances; | |
88 | } | |
89 | ||
90 | ||
7a436c89 | 91 | int AliHLTConfigurationHandler::RegisterConfiguration(AliHLTConfiguration* pConf) |
92 | { | |
93 | // see header file for function documentation | |
94 | int iResult=0; | |
95 | if (pConf) { | |
d4a18597 | 96 | AliHLTConfiguration* pExisting=NULL; |
97 | if ((pExisting=FindConfiguration(pConf->GetName())) == NULL) { | |
7a436c89 | 98 | AliHLTConfiguration* pClone=new AliHLTConfiguration(*pConf); |
99 | fgListConfigurations.Add(pClone); | |
100 | HLTDebug("configuration \"%s\" (%p) registered from %p", pClone->GetName(), pClone, pConf); | |
101 | ||
102 | // mark all configurations with unresolved dependencies for re-evaluation | |
103 | TObjLink* lnk=fgListConfigurations.FirstLink(); | |
104 | while (lnk) { | |
105 | AliHLTConfiguration* pSrc=(AliHLTConfiguration*)lnk->GetObject(); | |
106 | if (pSrc && pSrc!=pClone && pSrc->SourcesResolved()!=1) { | |
107 | pSrc->InvalidateSources(); | |
108 | } | |
109 | lnk=lnk->Next(); | |
110 | } | |
111 | } else { | |
d4a18597 | 112 | if ((*pExisting)!=(*pConf)) { |
7a436c89 | 113 | iResult=-EEXIST; |
d4a18597 | 114 | HLTWarning("configuration \"%s\" already registered with different properties", pConf->GetName()); |
115 | } | |
7a436c89 | 116 | } |
117 | } else { | |
118 | iResult=-EINVAL; | |
119 | } | |
120 | return iResult; | |
121 | } | |
122 | ||
123 | int AliHLTConfigurationHandler::CreateConfiguration(const char* id, const char* component, const char* sources, const char* arguments) | |
124 | { | |
125 | // see header file for function documentation | |
126 | int iResult=0; | |
127 | AliHLTConfiguration* pConf= new AliHLTConfiguration(id, component, sources, arguments); | |
128 | if (pConf) { | |
129 | // the configuration will be registered automatically, if this failes the configuration | |
130 | // is missing -> delete it | |
131 | if (FindConfiguration(id)==NULL) { | |
132 | delete pConf; | |
133 | pConf=NULL; | |
134 | iResult=-EEXIST; | |
135 | } | |
136 | } else { | |
137 | HLTError("system error: object allocation failed"); | |
138 | iResult=-ENOMEM; | |
139 | } | |
140 | return iResult; | |
141 | } | |
142 | ||
143 | void AliHLTConfigurationHandler::PrintConfigurations() | |
144 | { | |
145 | // see header file for function documentation | |
146 | HLTLogKeyword("configuration listing"); | |
147 | HLTMessage("registered configurations:"); | |
148 | TObjLink *lnk = fgListConfigurations.FirstLink(); | |
149 | while (lnk) { | |
150 | TObject *obj = lnk->GetObject(); | |
151 | HLTMessage(" %s", obj->GetName()); | |
152 | lnk = lnk->Next(); | |
153 | } | |
154 | } | |
155 | ||
156 | int AliHLTConfigurationHandler::RemoveConfiguration(const char* id) | |
157 | { | |
158 | // see header file for function documentation | |
159 | int iResult=0; | |
160 | if (id) { | |
161 | AliHLTConfiguration* pConf=NULL; | |
162 | if ((pConf=FindConfiguration(id))!=NULL) { | |
163 | iResult=RemoveConfiguration(pConf); | |
164 | delete pConf; | |
165 | pConf=NULL; | |
166 | } else { | |
167 | HLTWarning("can not find configuration \"%s\"", id); | |
168 | iResult=-ENOENT; | |
169 | } | |
170 | } else { | |
171 | iResult=-EINVAL; | |
172 | } | |
173 | return iResult; | |
174 | } | |
175 | ||
176 | int AliHLTConfigurationHandler::RemoveConfiguration(AliHLTConfiguration* pConf) | |
177 | { | |
178 | // see header file for function documentation | |
179 | int iResult=0; | |
180 | if (pConf) { | |
181 | // remove the configuration from the list | |
182 | HLTDebug("remove configuration \"%s\"", pConf->GetName()); | |
183 | fgListConfigurations.Remove(pConf); | |
184 | // remove cross links in the remaining configurations | |
185 | TObjLink* lnk=fgListConfigurations.FirstLink(); | |
186 | while (lnk && iResult>=0) { | |
187 | AliHLTConfiguration* pRem=(AliHLTConfiguration*)lnk->GetObject(); | |
188 | if (pRem) { | |
189 | pRem->InvalidateSource(pConf); | |
190 | } else { | |
191 | iResult=-EFAULT; | |
192 | } | |
193 | lnk=lnk->Next(); | |
194 | } | |
195 | } | |
196 | return iResult; | |
197 | } | |
198 | ||
199 | AliHLTConfiguration* AliHLTConfigurationHandler::FindConfiguration(const char* id) | |
200 | { | |
201 | // see header file for function documentation | |
202 | AliHLTConfiguration* pConf=NULL; | |
203 | if (id) { | |
204 | pConf=(AliHLTConfiguration*)fgListConfigurations.FindObject(id); | |
205 | } | |
206 | return pConf; | |
207 | } | |
208 |