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c989b443 | 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 | #include "AliOnlineRecoTrigger.h" | |
17 | ||
18 | #include <TSystem.h> | |
19 | ||
20 | #include "AliLog.h" | |
bef53f4a | 21 | #ifdef ALI_DIM |
c989b443 | 22 | #include "SORNotifier.h" |
23 | #endif | |
24 | ||
25 | ClassImp(TerminateSignalHandler) | |
26 | ClassImp(AliOnlineRecoTrigger) | |
27 | ||
28 | //______________________________________________________________________________________________ | |
29 | Bool_t TerminateSignalHandler::Notify() | |
30 | { | |
31 | // Sentd terminate command to the Shuttle trigger | |
32 | ||
33 | AliInfo("Terminate signal received ..."); | |
34 | fTrigger->Terminate(); | |
35 | ||
36 | return kTRUE; | |
37 | } | |
38 | ||
39 | //______________________________________________________________________________________________ | |
40 | AliOnlineRecoTrigger::AliOnlineRecoTrigger(): | |
41 | fNotified(kFALSE), fTerminate(kFALSE), | |
42 | fMutex(), fCondition(&fMutex), | |
43 | fQuitSignalHandler(0), | |
44 | fInterruptSignalHandler(0) | |
45 | { | |
46 | // Default constructor | |
47 | // | |
48 | ||
49 | fQuitSignalHandler = new TerminateSignalHandler(this, kSigQuit); | |
50 | fInterruptSignalHandler = new TerminateSignalHandler(this, kSigInterrupt); | |
51 | ||
52 | gSystem->AddSignalHandler(fQuitSignalHandler); | |
53 | gSystem->AddSignalHandler(fInterruptSignalHandler); | |
54 | } | |
55 | ||
56 | //______________________________________________________________________________________________ | |
57 | AliOnlineRecoTrigger::~AliOnlineRecoTrigger() | |
58 | { | |
59 | // destructor | |
60 | ||
61 | gSystem->RemoveSignalHandler(fQuitSignalHandler); | |
62 | gSystem->RemoveSignalHandler(fInterruptSignalHandler); | |
63 | ||
64 | delete fQuitSignalHandler; | |
65 | fQuitSignalHandler = 0; | |
66 | ||
67 | delete fInterruptSignalHandler; | |
68 | fInterruptSignalHandler = 0; | |
69 | } | |
70 | ||
71 | //______________________________________________________________________________________________ | |
72 | Bool_t AliOnlineRecoTrigger::Notify() { | |
73 | // | |
74 | // The method is called automaticly by SORNotifier on "start of run" | |
75 | // notification event from ECS | |
76 | // | |
77 | ||
78 | fMutex.Lock(); | |
79 | ||
80 | fNotified = kTRUE; | |
81 | fCondition.Signal(); | |
82 | ||
83 | fMutex.UnLock(); | |
84 | ||
85 | return kTRUE; | |
86 | } | |
87 | ||
88 | //______________________________________________________________________________________________ | |
89 | void AliOnlineRecoTrigger::Terminate() { | |
90 | // | |
91 | // Stop triggers listen mode and exist from Run() | |
92 | // Usually called automaticly by TerminateSignalHandler. | |
93 | // | |
94 | ||
95 | fTerminate = kTRUE; | |
96 | fCondition.Signal(); | |
97 | } | |
98 | ||
99 | //______________________________________________________________________________________________ | |
100 | Int_t AliOnlineRecoTrigger::Run() { | |
101 | // | |
102 | // AliOnlineRecoTrigger main loop for asynchronized (listen) mode. | |
103 | // It spawns DIM service listener and waits for DAQ "start of run" | |
104 | // notification. | |
105 | // | |
106 | ||
107 | fTerminate = kFALSE; | |
108 | ||
bef53f4a | 109 | #ifdef ALI_DIM |
c989b443 | 110 | SORNotifier* notifier = new SORNotifier(this); |
111 | #endif | |
112 | Int_t received=0; | |
113 | ||
114 | AliInfo("Listening for ECS SOR trigger"); | |
115 | ||
116 | fMutex.Lock(); | |
117 | ||
118 | while (!(fNotified || fTerminate)) { | |
119 | received=fCondition.TimedWaitRelative(1000*86400); //wait 24h | |
120 | if (received==1) break; // 1 = timeout | |
121 | } | |
122 | ||
123 | fNotified = kFALSE; | |
124 | ||
125 | fMutex.UnLock(); | |
126 | ||
127 | Int_t run = -1; | |
bef53f4a | 128 | #ifdef ALI_DIM |
c989b443 | 129 | run = notifier->GetRun(); |
130 | delete notifier; | |
131 | #endif | |
132 | ||
133 | if (fTerminate) { | |
134 | AliInfo("Terminated."); | |
135 | return -1; | |
136 | } | |
137 | ||
138 | if (received == 0) | |
139 | { | |
140 | AliInfo("Trigger from ECS received!"); | |
141 | if (run < 0) { | |
142 | AliError("Invalid run number received!"); | |
143 | return -1; | |
144 | } | |
145 | return run; | |
146 | } else if (received == 1) { | |
147 | AliWarning("Timeout waiting for trigger!"); | |
148 | return -1; | |
149 | } else { | |
150 | AliError("Error receiving trigger from ECS!"); | |
151 | return -1; | |
152 | } | |
153 | } |