1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
16 ///////////////////////////////////////////////////////////////////////////////
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:
24 /// : - events are taken from shared memory
26 /// <DATE_filename> - events are taken from date file
28 /// Cvetan Cheshkov 1/04/2008
29 ///////////////////////////////////////////////////////////////////////////////
32 #include "AliRawReaderDateOnline.h"
39 ClassImp(AliRawReaderDateOnline)
41 AliRawReaderDateOnline::AliRawReaderDateOnline(
45 const char* /* filename */
47 , const Char_t** customTable) :
48 AliRawReaderDate((void*)NULL),
54 // Initialize the DATE monitoring libs
59 // Removal of the selection of physics events
60 // Requested by Filimon and FMD experts
61 // fSelectEventType = PHYSICS_EVENT;
65 /* define data source : this is argument 1 */
66 status=monitorSetDataSource( (char* )filename );
68 AliFatal(Form("monitorSetDataSource() failed : %s",monitorDecodeError(status)));
71 /* declare monitoring program */
72 status=monitorDeclareMp( __FILE__ );
74 AliFatal(Form("monitorDeclareMp() failed : %s",monitorDecodeError(status)));
77 /* define wait event timeout - 1s max */
79 monitorSetNoWaitNetworkTimeout(1000);
82 const Char_t* table[] = {"ALL", "few", "*", "*",
83 "EOR", "yes","*", "*",
84 NULL, NULL, NULL, NULL};
85 monitorDeclareTableExtended(const_cast<char**>(table));
88 AliInfo("Custom monitoring table:");
90 while (fTable[index] != NULL) {
91 AliInfo(Form("%s %s %s %s",fTable[index],fTable[index+1],fTable[index+2],fTable[index+3]));
94 monitorDeclareTableExtended(const_cast<char**>(fTable));
96 // install SIGUSR1 handler to allow clean end-of-events loop
97 gSystem->AddSignalHandler(new AliRawReaderDateIntHandler(this));
100 Fatal("AliRawReaderDateOnline", "this class was compiled without DATE");
104 Bool_t AliRawReaderDateOnline::NextEvent()
106 // wait and get the next event
107 // from shared memory
113 AliInfo("Raw-data reading stopped by SIGUSR1");
114 if (fEvent) free(fEvent);
119 // Event already loaded no need take a new one
120 if (AliRawReaderDate::NextEvent()) return kTRUE;
122 if (fEvent) free(fEvent);
126 /* get next event (blocking call until timeout) */
127 int status=monitorGetEventDynamic((void**)&fEvent);
129 if (status==MON_ERR_EOF) {
130 AliInfo("End of File detected");
133 return kFALSE; /* end of monitoring file has been reached */
137 AliError(Form("monitorGetEventDynamic() failed : %s\n",monitorDecodeError(status)));
143 /* retry if got no event */
148 eventTypeType eventT=fEvent->eventType;
149 /* exit when last event received, no need to wait for TERM signal */
150 if (eventT==END_OF_RUN) {
151 AliInfo("EOR event detected");
158 if (!IsEventSelected()) {
164 AliInfo(Form("Run #%lu, event size: %lu, BC:0x%x, Orbit:0x%x, Period:0x%x",
165 (unsigned long)fEvent->eventRunNb,
166 (unsigned long)fEvent->eventSize,
167 EVENT_ID_GET_BUNCH_CROSSING(fEvent->eventId),
168 EVENT_ID_GET_ORBIT(fEvent->eventId),
169 EVENT_ID_GET_PERIOD(fEvent->eventId)
186 AliRawReaderDateOnline::~AliRawReaderDateOnline()
189 // Free the last event in shared memory
192 if (fEvent) free(fEvent);
196 void AliRawReaderDateOnline::SelectEvents(Int_t type,
197 ULong64_t triggerMask,
198 const char *triggerExpr)
200 // Select event by using DATE monitoring
203 const Char_t* table[] = {"ALL", "no", "*", "*",
204 "PHY", "yes","*", "*",
205 "EOR", "yes","*", "*",
206 NULL, NULL, NULL, NULL};
208 for (Int_t i = 0; i < 50; i++) {
209 if (triggerMask & (1ull << i)) {
210 if (!trSelection.IsNull()) trSelection += "&";
211 trSelection += Form("%d",i);
214 table[7] = trSelection.Data();
217 monitorDeclareTableExtended(const_cast<char**>(table));
220 AliRawReader::SelectEvents(type,triggerMask,triggerExpr);
223 //______________________________________________________________________________
224 void AliRawReaderDateOnline::Stop()
226 // Stop the event loop (called on SIGUSR1)