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3b98a4d4 | 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 | /////////////////////////////////////////////////////////////////////////////// | |
17 | /// | |
18 | /// This is a class for reading raw data from a date monitoring libraries. | |
19 | /// It supports two modes - event taken from shared memory via DATE monitoring | |
20 | /// libs, or an emulation mode when the events are taken from a DATE file using | |
21 | /// the same monitoring libs. | |
22 | /// The constructor requires an argument: | |
23 | /// | |
24 | /// : - events are taken from shared memory | |
25 | /// or | |
26 | /// <DATE_filename> - events are taken from date file | |
27 | /// | |
28 | /// Cvetan Cheshkov 1/04/2008 | |
29 | /////////////////////////////////////////////////////////////////////////////// | |
30 | ||
31 | #include "AliRawReaderDateOnline.h" | |
36a7d3c6 | 32 | #include "AliLog.h" |
33 | #ifdef ALI_DATE | |
34 | #include "event.h" | |
35 | #include "monitor.h" | |
36 | #endif | |
3b98a4d4 | 37 | |
38 | ClassImp(AliRawReaderDateOnline) | |
39 | ||
36a7d3c6 | 40 | AliRawReaderDateOnline::AliRawReaderDateOnline( |
3b98a4d4 | 41 | #ifdef ALI_DATE |
42 | const char* filename | |
43 | #else | |
44 | const char* /* filename */ | |
45 | #endif | |
46 | ) : | |
36a7d3c6 | 47 | AliRawReaderDate((void*)NULL) |
3b98a4d4 | 48 | { |
49 | ||
50 | // Constructor | |
51 | // Initialize the DATE monitoring libs | |
52 | ||
53 | #ifdef ALI_DATE | |
54 | ||
00665a00 | 55 | fSelectEventType = PHYSICS_EVENT; |
56 | ||
3b98a4d4 | 57 | int status; |
58 | ||
59 | /* define data source : this is argument 1 */ | |
36a7d3c6 | 60 | status=monitorSetDataSource( (char* )filename ); |
3b98a4d4 | 61 | if (status!=0) { |
62 | AliFatal(Form("monitorSetDataSource() failed : %s",monitorDecodeError(status))); | |
63 | } | |
64 | ||
65 | /* declare monitoring program */ | |
66 | status=monitorDeclareMp( __FILE__ ); | |
67 | if (status!=0) { | |
68 | AliFatal(Form("monitorDeclareMp() failed : %s",monitorDecodeError(status))); | |
69 | } | |
70 | ||
71 | /* define wait event timeout - 1s max */ | |
72 | monitorSetNowait(); | |
73 | monitorSetNoWaitNetworkTimeout(1000); | |
74 | ||
75 | #else | |
76 | Fatal("AliRawReaderDateOnline", "this class was compiled without DATE"); | |
77 | #endif | |
78 | } | |
79 | ||
36a7d3c6 | 80 | Bool_t AliRawReaderDateOnline::NextEvent() |
3b98a4d4 | 81 | { |
82 | // wait and get the next event | |
83 | // from shared memory | |
84 | ||
85 | #ifdef ALI_DATE | |
86 | ||
36a7d3c6 | 87 | // Event already loaded no need take a new one |
88 | if (AliRawReaderDate::NextEvent()) return kTRUE; | |
89 | ||
3b98a4d4 | 90 | if (fEvent) free(fEvent); |
36a7d3c6 | 91 | fEvent = NULL; |
3b98a4d4 | 92 | |
93 | while (1) { | |
94 | /* get next event (blocking call until timeout) */ | |
36a7d3c6 | 95 | int status=monitorGetEventDynamic((void**)&fEvent); |
3b98a4d4 | 96 | |
00665a00 | 97 | if (status==MON_ERR_EOF) { |
3b98a4d4 | 98 | AliInfo("End of File detected"); |
36a7d3c6 | 99 | Reset(); |
100 | fEvent = NULL; | |
3b98a4d4 | 101 | return kFALSE; /* end of monitoring file has been reached */ |
102 | } | |
103 | ||
104 | if (status!=0) { | |
105 | AliError(Form("monitorGetEventDynamic() failed : %s\n",monitorDecodeError(status))); | |
36a7d3c6 | 106 | Reset(); |
107 | fEvent = NULL; | |
3b98a4d4 | 108 | return kFALSE; |
109 | } | |
110 | ||
111 | /* retry if got no event */ | |
36a7d3c6 | 112 | if (fEvent==NULL) { |
3b98a4d4 | 113 | continue; |
114 | } | |
36a7d3c6 | 115 | |
116 | eventTypeType eventT=fEvent->eventType; | |
3b98a4d4 | 117 | /* exit when last event received, no need to wait for TERM signal */ |
118 | if (eventT==END_OF_RUN) { | |
119 | AliInfo("EOR event detected"); | |
36a7d3c6 | 120 | Reset(); |
121 | fEvent = NULL; | |
3b98a4d4 | 122 | return kFALSE; |
123 | } | |
36a7d3c6 | 124 | |
00665a00 | 125 | if (!IsEventSelected()) { |
3b98a4d4 | 126 | continue; |
127 | } | |
128 | ||
00665a00 | 129 | AliInfo(Form("Run #%lu, event size: %lu, BC:0x%x, Orbit:0x%x, Period:0x%x", |
36a7d3c6 | 130 | (unsigned long)fEvent->eventRunNb, |
131 | (unsigned long)fEvent->eventSize, | |
132 | EVENT_ID_GET_BUNCH_CROSSING(fEvent->eventId), | |
133 | EVENT_ID_GET_ORBIT(fEvent->eventId), | |
134 | EVENT_ID_GET_PERIOD(fEvent->eventId) | |
3b98a4d4 | 135 | )); |
36a7d3c6 | 136 | break; |
3b98a4d4 | 137 | } |
138 | ||
36a7d3c6 | 139 | fEventNumber++; |
140 | Reset(); | |
3b98a4d4 | 141 | |
36a7d3c6 | 142 | return kTRUE; |
3b98a4d4 | 143 | |
36a7d3c6 | 144 | } |
145 | ||
146 | #else | |
3b98a4d4 | 147 | return kFALSE; |
148 | } | |
36a7d3c6 | 149 | #endif |
3b98a4d4 | 150 | |
36a7d3c6 | 151 | AliRawReaderDateOnline::~AliRawReaderDateOnline() |
152 | { | |
153 | // Destructor | |
154 | // Free the last event in shared memory | |
3b98a4d4 | 155 | |
36a7d3c6 | 156 | #ifdef ALI_DATE |
157 | if (fEvent) free(fEvent); | |
158 | #endif | |
159 | } |