ROOTANA
testODB.cxx
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1 //
2 // testODB.cxx --- test ODB access functions
3 //
4 // K.Olchanski
5 //
6 // $Id$
7 //
8 
9 #include <stdio.h>
10 #include <sys/time.h>
11 #include <iostream>
12 #include <assert.h>
13 #include <signal.h>
14 #include <string.h>
15 
16 #include "TMidasOnline.h"
17 #include "TMidasEvent.h"
18 #include "midasio.h"
19 #include "mvodb.h"
20 
21 MVOdb* gOdb = NULL;
22 
23 // Main function call
24 
25 int main(int argc, char *argv[])
26 {
27  setbuf(stdout,NULL);
28  setbuf(stderr,NULL);
29 
30  signal(SIGILL, SIG_DFL);
31  signal(SIGBUS, SIG_DFL);
32  signal(SIGSEGV, SIG_DFL);
33  signal(SIGPIPE, SIG_DFL);
34 
35  const char* hostname = NULL;
36  const char* exptname = NULL;
37  const char* filename = argv[1];
38  bool online = false;
39  bool xmlfile = false;
40  bool jsonfile = false;
41 
42  if (!filename)
43  online = true;
44  else if (strstr(filename, ".xml")!=0)
45  xmlfile = true;
46  else if (strstr(filename, ".json")!=0)
47  jsonfile = true;
48 
49  if (online) {
51 
52  int err = midas->connect(hostname, exptname, "rootana");
53  if (err != 0) {
54  fprintf(stderr,"Cannot connect to MIDAS, error %d\n", err);
55  return -1;
56  }
57 
58  gOdb = MakeMidasOdb(midas->fDB);
59  } else if (xmlfile) {
60  gOdb = MakeXmlFileOdb(filename);
61  //odb->DumpTree();
62  } else if (jsonfile) {
63  gOdb = MakeJsonFileOdb(filename);
64  //odb->DumpTree();
65  } else {
66  TMReaderInterface* reader = TMNewReader(filename);
67 
68  if (reader->fError)
69  {
70  printf("Cannot open input file \"%s\"\n",filename);
71  delete reader;
72  return -1;
73  }
74 
75  while (1)
76  {
77  TMidasEvent event;
78  if (!TMReadEvent(reader, &event))
79  break;
80 
81  int eventId = event.GetEventId();
82  //printf("Have an event of type %d\n",eventId);
83 
84  if ((eventId & 0xFFFF) == 0x8000)
85  {
86  // begin run
87  //event.Print();
88 
89  //
90  // Load ODB contents from the ODB XML file
91  //
92  if (gOdb) {
93  delete gOdb;
94  gOdb = NULL;
95  }
96  gOdb = MakeFileDumpOdb(event.GetData(),event.GetDataSize());
97  break;
98  }
99  }
100 
101  reader->Close();
102  delete reader;
103  reader = NULL;
104 
105  if (!gOdb)
106  {
107  printf("Failed to load ODB from input file \"%s\"\n",filename);
108  return -1;
109  }
110  }
111 
112 #if 0
113  printf("read run number (odbReadInt): %d\n", gOdb->odbReadInt("/runinfo/Run number"));
114  printf("read array size of /test: %d\n", gOdb->odbReadArraySize("/test"));
115  printf("read array size of /runinfo/run number: %d\n", gOdb->odbReadArraySize("/runinfo/Run number"));
116  printf("read array size of /test/intarr: %d\n", gOdb->odbReadArraySize("/test/intarr"));
117  printf("read array values:\n");
118  int size = gOdb->odbReadArraySize("/test/intarr");
119  for (int i=0; i<size; i++)
120  printf(" intarr[%d] = %d\n", i, gOdb->odbReadInt("/test/intarr", i));
121  printf("read double value: %f\n", gOdb->odbReadDouble("/test/dblvalue"));
122  printf("read uint32 value: %d\n", gOdb->odbReadUint32("/test/dwordvalue"));
123  printf("read bool value: %d\n", gOdb->odbReadBool("/test/boolvalue"));
124  const char* s = gOdb->odbReadString("/test/stringvalue");
125  int len=0;
126  if (s)
127  len = strlen(s);
128  printf("read string value: [%s] length %d\n", s, len);
129 
130  printf("\nTry non-existent entries...\n\n");
131 
132  printf("read array size: %d\n", gOdb->odbReadArraySize("/test/doesnotexist"));
133  printf("read uint32 value: %d\n", gOdb->odbReadUint32("/test/doesnotexist", 0, -9999));
134 
135  printf("\nTry wrong types...\n\n");
136 
137  printf("read float value: %f\n", gOdb->odbReadDouble("/test/fltvalue"));
138  printf("read uint32 value: %d\n", gOdb->odbReadUint32("/test/wordvalue"));
139  printf("read int value: %d\n", gOdb->odbReadInt("/test/wordvalue"));
140 
141  printf("\nTry wrong array indices...\n\n");
142 
143  printf("try to index a non-array: %f\n", gOdb->odbReadDouble("/test/dblvalue", 10, -9999));
144  printf("try invalid index -1: %d\n", gOdb->odbReadInt("/test/intarr", -1, -9999));
145  printf("try invalid index 999: %d\n", gOdb->odbReadInt("/test/intarr", 999, -9999));
146  printf("try invalid index 1 for double value: %f\n", gOdb->odbReadDouble("/test/dblvalue", 1, -9999));
147 #endif
148 
149  return 0;
150 }
151 
152 //end
Definition: mvodb.h:21
virtual int Close()=0
MIDAS event.
Definition: TMidasEvent.h:22
uint32_t GetDataSize() const
return the event size
uint16_t GetEventId() const
return the event id
Definition: TMidasEvent.cxx:93
char * GetData()
return pointer to the data buffer
static TMidasOnline * instance()
int connect(const char *hostname, const char *exptname, const char *progname)
Connect to MIDAS experiment.
HNDLE fDB
ODB handle.
Definition: TMidasOnline.h:58
TMReaderInterface * TMNewReader(const char *source)
Definition: midasio.cxx:447
TMEvent * TMReadEvent(TMReaderInterface *reader)
Definition: midasio.cxx:585
MVOdb * MakeMidasOdb(int hDB, MVOdbError *error=NULL)
Definition: midasodb.cxx:924
MVOdb * MakeJsonFileOdb(const char *filename, MVOdbError *error=NULL)
Definition: mjsonodb.cxx:536
MVOdb * MakeFileDumpOdb(const char *buf, int bufsize, MVOdbError *error=NULL)
Access ODB from a midas file dump. FOrmat could be .xml, .json or .odb.
Definition: mvodb.cxx:91
MVOdb * MakeXmlFileOdb(const char *filename, MVOdbError *error=NULL)
Definition: mxmlodb.cxx:689
int main(int argc, char *argv[])
Definition: testODB.cxx:25
MVOdb * gOdb
Definition: testODB.cxx:21