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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" |
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32 | #include "AliLog.h" |
33 | #ifdef ALI_DATE |
34 | #include "event.h" |
35 | #include "monitor.h" |
36 | #endif |
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37 | |
38 | ClassImp(AliRawReaderDateOnline) |
39 | |
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40 | AliRawReaderDateOnline::AliRawReaderDateOnline( |
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41 | #ifdef ALI_DATE |
42 | const char* filename |
43 | #else |
44 | const char* /* filename */ |
45 | #endif |
46 | ) : |
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47 | AliRawReaderDate((void*)NULL) |
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48 | { |
49 | |
50 | // Constructor |
51 | // Initialize the DATE monitoring libs |
52 | |
53 | #ifdef ALI_DATE |
54 | |
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55 | |
56 | // Removal of the selection of physics events |
57 | // Requested by Filimon and FMD experts |
58 | // fSelectEventType = PHYSICS_EVENT; |
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59 | |
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60 | int status; |
61 | |
62 | /* define data source : this is argument 1 */ |
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63 | status=monitorSetDataSource( (char* )filename ); |
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64 | if (status!=0) { |
65 | AliFatal(Form("monitorSetDataSource() failed : %s",monitorDecodeError(status))); |
66 | } |
67 | |
68 | /* declare monitoring program */ |
69 | status=monitorDeclareMp( __FILE__ ); |
70 | if (status!=0) { |
71 | AliFatal(Form("monitorDeclareMp() failed : %s",monitorDecodeError(status))); |
72 | } |
73 | |
74 | /* define wait event timeout - 1s max */ |
75 | monitorSetNowait(); |
76 | monitorSetNoWaitNetworkTimeout(1000); |
77 | |
78 | #else |
79 | Fatal("AliRawReaderDateOnline", "this class was compiled without DATE"); |
80 | #endif |
81 | } |
82 | |
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83 | Bool_t AliRawReaderDateOnline::NextEvent() |
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84 | { |
85 | // wait and get the next event |
86 | // from shared memory |
87 | |
88 | #ifdef ALI_DATE |
89 | |
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90 | // Event already loaded no need take a new one |
91 | if (AliRawReaderDate::NextEvent()) return kTRUE; |
92 | |
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93 | if (fEvent) free(fEvent); |
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94 | fEvent = NULL; |
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95 | |
96 | while (1) { |
97 | /* get next event (blocking call until timeout) */ |
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98 | int status=monitorGetEventDynamic((void**)&fEvent); |
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99 | |
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100 | if (status==MON_ERR_EOF) { |
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101 | AliInfo("End of File detected"); |
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102 | Reset(); |
103 | fEvent = NULL; |
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104 | return kFALSE; /* end of monitoring file has been reached */ |
105 | } |
106 | |
107 | if (status!=0) { |
108 | AliError(Form("monitorGetEventDynamic() failed : %s\n",monitorDecodeError(status))); |
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109 | Reset(); |
110 | fEvent = NULL; |
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111 | return kFALSE; |
112 | } |
113 | |
114 | /* retry if got no event */ |
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115 | if (fEvent==NULL) { |
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116 | continue; |
117 | } |
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118 | |
119 | eventTypeType eventT=fEvent->eventType; |
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120 | /* exit when last event received, no need to wait for TERM signal */ |
121 | if (eventT==END_OF_RUN) { |
122 | AliInfo("EOR event detected"); |
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123 | Reset(); |
124 | fEvent = NULL; |
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125 | return kFALSE; |
126 | } |
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127 | |
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128 | if (!IsEventSelected()) { |
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129 | continue; |
130 | } |
131 | |
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132 | AliInfo(Form("Run #%lu, event size: %lu, BC:0x%x, Orbit:0x%x, Period:0x%x", |
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133 | (unsigned long)fEvent->eventRunNb, |
134 | (unsigned long)fEvent->eventSize, |
135 | EVENT_ID_GET_BUNCH_CROSSING(fEvent->eventId), |
136 | EVENT_ID_GET_ORBIT(fEvent->eventId), |
137 | EVENT_ID_GET_PERIOD(fEvent->eventId) |
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138 | )); |
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139 | break; |
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140 | } |
141 | |
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142 | fEventNumber++; |
143 | Reset(); |
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144 | |
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145 | return kTRUE; |
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146 | |
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147 | } |
148 | |
149 | #else |
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150 | return kFALSE; |
151 | } |
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152 | #endif |
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153 | |
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154 | AliRawReaderDateOnline::~AliRawReaderDateOnline() |
155 | { |
156 | // Destructor |
157 | // Free the last event in shared memory |
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158 | |
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159 | #ifdef ALI_DATE |
160 | if (fEvent) free(fEvent); |
161 | #endif |
162 | } |