1 /* This file is part of the Linux Trace Toolkit viewer
2 * Copyright (C) 2003-2004 Xiangxiu Yang
3 * 2005 Mathieu Desnoyers
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License Version 2.1 as published by the Free Software Foundation.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
28 #include <sys/types.h>
36 #include "ltt-private.h"
37 #include <ltt/facility.h>
45 /* search for the (named) type in the table, if it does not exist
47 LttType
* lookup_named_type(LttFacility
*fac
, type_descriptor_t
* td
);
49 /* construct directed acyclic graph for types, and tree for fields */
50 void construct_fields(LttFacility
*fac
,
54 /* generate the facility according to the events belongin to it */
55 void generateFacility(LttFacility
* f
, facility_t
* fac
,
58 /* functions to release the memory occupied by a facility */
59 void freeFacility(LttFacility
* facility
);
60 void freeEventtype(LttEventType
* evType
);
61 void freeLttType(LttType
* type
);
62 void freeLttField(LttField
* fld
);
63 void freeLttNamedType(LttType
* type
);
66 /*****************************************************************************
68 * ltt_facility_open : open facilities
70 * t : the trace containing the facilities
71 * pathname : the path name of the facility
73 * Open the facility corresponding to the right checksum.
75 *returns 0 on success, 1 on error.
76 ****************************************************************************/
78 int ltt_facility_open(LttFacility
*f
, LttTrace
* t
, gchar
* pathname
)
84 unsigned int checksum
;
85 gchar buffer
[BUFFER_SIZE
];
86 gboolean generated
= FALSE
;
88 in
.buffer
= &(buffer
[0]);
90 in
.error
= error_callback
;
94 in
.fp
= fopen(in
.name
, "r");
96 g_warning("cannot open facility description file %s",
103 token
= getToken(&in
);
104 if(in
.type
== ENDFILE
) break;
106 if(g_ascii_strcasecmp(token
, "<")) in
.error(&in
,"not a facility file");
107 token
= getName(&in
);
108 if(g_ascii_strcasecmp(token
, "?")) in
.error(&in
,"not a facility file");
109 token
= getName(&in
);
110 if(g_ascii_strcasecmp(token
, "xml")) in
.error(&in
,"not a facility file");
111 token
= getName(&in
);
112 if(g_ascii_strcasecmp(token
, "version")) in
.error(&in
,"not a facility file");
113 token
= getName(&in
);
114 if(g_ascii_strcasecmp(token
, "=")) in
.error(&in
,"not a facility file");
115 token
= getQuotedString(&in
);
116 if(g_ascii_strcasecmp(token
, "1.0")) in
.error(&in
,"not a facility file");
117 token
= getName(&in
);
118 if(g_ascii_strcasecmp(token
, "?")) in
.error(&in
,"not a facility file");
119 token
= getToken(&in
);
120 if(g_ascii_strcasecmp(token
, ">")) in
.error(&in
,"not a facility file");
122 token
= getToken(&in
);
124 if(g_ascii_strcasecmp(token
, "<")) in
.error(&in
,"not a facility file");
125 token
= getName(&in
);
127 if(g_ascii_strcasecmp("facility",token
) == 0) {
128 fac
= g_new(facility_t
, 1);
130 fac
->description
= NULL
;
131 sequence_init(&(fac
->events
));
132 table_init(&(fac
->named_types
));
133 sequence_init(&(fac
->unnamed_types
));
135 parseFacility(&in
, fac
);
137 //check if any namedType is not defined
138 checkNamedTypesImplemented(&fac
->named_types
);
140 generateChecksum(fac
->name
, &checksum
, &fac
->events
);
141 if(checksum
== f
->checksum
) {
142 generateFacility(f
, fac
, checksum
);
148 g_free(fac
->description
);
149 freeEvents(&fac
->events
);
150 sequence_dispose(&fac
->events
);
151 freeNamedType(&fac
->named_types
);
152 table_dispose(&fac
->named_types
);
153 freeTypes(&fac
->unnamed_types
);
154 sequence_dispose(&fac
->unnamed_types
);
156 if(generated
) break; /* use the first good match */
159 g_warning("facility token was expected in file %s", in
.name
);
170 g_warning("Cannot find facility %s, checksum 0x%X",
171 g_quark_to_string(f
->name
), f
->checksum
);
179 /*****************************************************************************
181 * generateFacility : generate facility, internal function
183 * facility : LttFacilty structure
184 * fac : facility structure
185 * checksum : checksum of the facility
186 ****************************************************************************/
188 void generateFacility(LttFacility
*f
, facility_t
*fac
, guint32 checksum
)
190 char * facilityName
= fac
->name
;
191 sequence_t
* events
= &fac
->events
;
194 table_t
*named_types
= &fac
->named_types
;
196 g_assert(f
->name
== g_quark_from_string(facilityName
));
197 g_assert(f
->checksum
== checksum
);
199 //f->event_number = events->position;
201 //initialize inner structures
202 f
->events
= g_array_sized_new (FALSE
, TRUE
, sizeof(LttEventType
),
204 //f->events = g_new(LttEventType*,f->event_number);
205 f
->events
= g_array_set_size(f
->events
, events
->position
);
207 g_datalist_init(&f
->events_by_name
);
208 // g_datalist_init(&f->named_types);
210 /* The first day, he created the named types */
212 for(i
=0; i
<named_types
->keys
.position
; i
++) {
213 GQuark name
= g_quark_from_string((char*)named_types
->keys
.array
[i
]);
214 type_descriptor_t
*td
= (type_descriptor_t
*)named_types
->values
.array
[i
];
216 /* Create the type */
217 type
= g_new(LttType
,1);
218 type
->type_name
= name
;
219 type
->type_class
= td
->type
;
220 if(td
->fmt
) type
->fmt
= g_strdup(td
->fmt
);
221 else type
->fmt
= NULL
;
222 type
->size
= td
->size
;
223 type
->enum_strings
= NULL
;
224 type
->element_type
= NULL
;
225 type
->element_number
= 0;
227 construct_types_and_fields(type
, td
, NULL
, NULL
, ...);
229 g_datalist_id_set_data_full(&fac
->named_types
, name
,
230 type
, (GDestroyNotify
)freeLttNamedType
);
234 /* The second day, he created the event fields and types */
235 //for each event, construct field and type acyclic graph
236 for(i
=0;i
<events
->position
;i
++){
237 event_t
*parser_event
= (event_t
*)events
->array
[i
];
238 LttEventType
*event_type
= &g_array_index(f
->events
, LttEventType
, i
);
241 g_quark_from_string(parser_event
->name
);
243 g_datalist_id_set_data(&f
->events_by_name
, event_type
->name
,
246 event_type
->description
=
247 g_strdup(parser_event
->description
);
249 event_type
->index
= i
;
250 event_type
->facility
= f
;
252 event_type
->has_compact_data
= parser_event
->compact_data
;
254 event_type
->fields
= g_array_sized_new(FALSE
, TRUE
,
255 sizeof(LttField
), parser_event
->fields
.position
);
257 g_array_set_size(event_type
->fields
, parser_event
->fields
.position
);
258 g_datalist_init(&event_type
->fields_by_name
);
260 for(j
=0; j
<parser_event
->fields
.position
; j
++) {
261 LttField
*field
= &g_array_index(event_type
->fields
, LttField
, j
);
262 field_t
*parser_field
= (field_t
*)parser_event
->fields
.array
[j
];
264 construct_fields(f
, field
, parser_field
);
265 g_datalist_id_set_data(&event_type
->fields_by_name
,
271 /* What about 2 days weeks ? */
275 /*****************************************************************************
277 * construct_types_and_fields : construct field tree and type graph,
278 * internal recursion function
280 * fac : facility struct
281 * field : destination lttv field
282 * fld : source parser field
283 ****************************************************************************/
286 //make the change for arrays and sequences
287 //no more root field. -> change this for an array of fields.
288 // Compute the field size here.
289 // Flag fields as "VARIABLE OFFSET" or "FIXED OFFSET" : as soon as
290 // a field with a variable size is found, all the following fields must
291 // be flagged with "VARIABLE OFFSET", this will be done by the offset
295 void construct_fields(LttFacility
*fac
,
300 type_descriptor_t
*td
;
304 field
->name
= g_quark_from_string(fld
->name
);
308 if(fld
->description
) {
309 len
= strlen(fld
->description
);
310 field
->description
= g_new(gchar
, len
+1);
311 strcpy(field
->description
, fld
->description
);
313 field
->dynamic_offsets
= NULL
;
314 type
= &field
->field_type
;
317 type
->enum_map
= NULL
;
319 type
->fields_by_name
= NULL
;
320 type
->network
= td
->network
;
324 type
->type_class
= LTT_INT_FIXED
;
325 type
->size
= td
->size
;
328 type
->type_class
= LTT_UINT_FIXED
;
329 type
->size
= td
->size
;
332 type
->type_class
= LTT_POINTER
;
333 type
->size
= fac
->pointer_size
;
336 type
->type_class
= LTT_CHAR
;
337 type
->size
= td
->size
;
340 type
->type_class
= LTT_UCHAR
;
341 type
->size
= td
->size
;
342 g_assert(type
->size
!= 0);
345 type
->type_class
= LTT_SHORT
;
346 type
->size
= td
->size
;
349 type
->type_class
= LTT_USHORT
;
350 type
->size
= td
->size
;
353 type
->type_class
= LTT_INT
;
354 type
->size
= fac
->int_size
;
357 type
->type_class
= LTT_UINT
;
358 type
->size
= fac
->int_size
;
359 g_assert(type
->size
!= 0);
362 type
->type_class
= LTT_LONG
;
363 type
->size
= fac
->long_size
;
366 type
->type_class
= LTT_ULONG
;
367 type
->size
= fac
->long_size
;
370 type
->type_class
= LTT_SIZE_T
;
371 type
->size
= fac
->size_t_size
;
374 type
->type_class
= LTT_SSIZE_T
;
375 type
->size
= fac
->size_t_size
;
378 type
->type_class
= LTT_OFF_T
;
379 type
->size
= fac
->size_t_size
;
382 type
->type_class
= LTT_FLOAT
;
383 type
->size
= td
->size
;
386 type
->type_class
= LTT_STRING
;
390 type
->type_class
= LTT_ENUM
;
391 type
->size
= fac
->int_size
;
394 type
->enum_map
= g_hash_table_new(g_direct_hash
, g_direct_equal
);
395 for(i
=0; i
<td
->labels
.position
; i
++) {
396 GQuark value
= g_quark_from_string((char*)td
->labels
.array
[i
]);
397 gint key
= *(int*)td
->labels_values
.array
[i
];
398 g_hash_table_insert(type
->enum_map
, (gpointer
)key
, (gpointer
)value
);
401 g_assert(type
->size
!= 0);
404 type
->type_class
= LTT_ARRAY
;
405 type
->size
= td
->size
;
406 type
->fields
= g_array_sized_new(FALSE
, TRUE
, sizeof(LttField
),
407 td
->fields
.position
);
408 type
->fields
= g_array_set_size(type
->fields
, td
->fields
.position
);
412 for(i
=0; i
<td
->fields
.position
; i
++) {
413 field_t
*schild
= (field_t
*)td
->fields
.array
[i
];
414 LttField
*dchild
= &g_array_index(type
->fields
, LttField
, i
);
416 construct_fields(fac
, dchild
, schild
);
421 type
->type_class
= LTT_SEQUENCE
;
423 type
->fields
= g_array_sized_new(FALSE
, TRUE
, sizeof(LttField
),
424 td
->fields
.position
);
425 type
->fields
= g_array_set_size(type
->fields
, td
->fields
.position
);
429 for(i
=0; i
<td
->fields
.position
; i
++) {
430 field_t
*schild
= (field_t
*)td
->fields
.array
[i
];
431 LttField
*dchild
= &g_array_index(type
->fields
, LttField
, i
);
433 construct_fields(fac
, dchild
, schild
);
438 type
->type_class
= LTT_STRUCT
;
439 type
->size
= 0; // Size not calculated by the parser.
440 type
->fields
= g_array_sized_new(FALSE
, TRUE
, sizeof(LttField
),
441 td
->fields
.position
);
442 type
->fields
= g_array_set_size(type
->fields
, td
->fields
.position
);
443 g_datalist_init(&type
->fields_by_name
);
447 for(i
=0; i
<td
->fields
.position
; i
++) {
448 field_t
*schild
= (field_t
*)td
->fields
.array
[i
];
449 LttField
*dchild
= &g_array_index(type
->fields
, LttField
, i
);
451 construct_fields(fac
, dchild
, schild
);
452 g_datalist_id_set_data(&type
->fields_by_name
,
459 type
->type_class
= LTT_UNION
;
460 type
->size
= 0; // Size not calculated by the parser.
461 type
->fields
= g_array_sized_new(FALSE
, TRUE
, sizeof(LttField
),
462 td
->fields
.position
);
463 type
->fields
= g_array_set_size(type
->fields
, td
->fields
.position
);
464 g_datalist_init(&type
->fields_by_name
);
468 for(i
=0; i
<td
->fields
.position
; i
++) {
469 field_t
*schild
= (field_t
*)td
->fields
.array
[i
];
470 LttField
*dchild
= &g_array_index(type
->fields
, LttField
, i
);
472 construct_fields(fac
, dchild
, schild
);
473 g_datalist_id_set_data(&type
->fields_by_name
,
481 g_error("construct_fields : unknown type");
484 field
->field_size
= type
->size
;
486 /* Put the fields as "variable" offset to root first. Then,
487 * the offset precomputation will only have to set the FIELD_FIXED until
488 * it reaches the first variable length field, then stop.
490 field
->fixed_root
= FIELD_VARIABLE
;
493 len
= strlen(td
->fmt
);
494 type
->fmt
= g_new(gchar
, len
+1);
495 strcpy(type
->fmt
, td
->fmt
);
502 void construct_types_and_fields(LttFacility
* fac
, type_descriptor_t
* td
,
506 type_descriptor_t
* tmpTd
;
512 fld
->field_type
->size
= td
->size
;
520 fld
->field_type
->size
= 0;
523 fld
->field_type
->size
= 0;
526 fld
->field_type
->element_number
= td
->labels
.position
;
527 fld
->field_type
->enum_strings
= g_new(GQuark
,td
->labels
.position
);
528 for(i
=0;i
<td
->labels
.position
;i
++){
529 fld
->field_type
->enum_strings
[i
]
530 = g_quark_from_string(((char*)(td
->labels
.array
[i
])));
532 fld
->field_type
->size
= td
->size
;
536 fld
->field_type
->element_number
= (unsigned)td
->size
;
538 fld
->field_type
->element_type
= g_new(LttType
*,1);
539 tmpTd
= td
->nested_type
;
540 fld
->field_type
->element_type
[0] = lookup_named_type(fac
, tmpTd
);
541 fld
->child
= g_new(LttField
*, 1);
542 fld
->child
[0] = g_new(LttField
, 1);
544 fld
->child
[0]->field_type
= fld
->field_type
->element_type
[0];
545 fld
->child
[0]->offset_root
= 0;
546 fld
->child
[0]->fixed_root
= FIELD_UNKNOWN
;
547 fld
->child
[0]->offset_parent
= 0;
548 fld
->child
[0]->fixed_parent
= FIELD_UNKNOWN
;
549 fld
->child
[0]->field_size
= 0;
550 fld
->child
[0]->fixed_size
= FIELD_UNKNOWN
;
551 fld
->child
[0]->parent
= fld
;
552 fld
->child
[0]->child
= NULL
;
553 fld
->child
[0]->current_element
= 0;
554 construct_types_and_fields(fac
, tmpTd
, fld
->child
[0]);
559 fld
->field_type
->element_number
= td
->fields
.position
;
561 g_assert(fld
->field_type
->element_type
== NULL
);
562 fld
->field_type
->element_type
= g_new(LttType
*, td
->fields
.position
);
564 fld
->child
= g_new(LttField
*, td
->fields
.position
);
565 for(i
=0;i
<td
->fields
.position
;i
++){
566 tmpTd
= ((field_t
*)(td
->fields
.array
[i
]))->type
;
568 fld
->field_type
->element_type
[i
] = lookup_named_type(fac
, tmpTd
);
569 fld
->child
[i
] = g_new(LttField
,1);
571 // fld->child[i]->field_pos = i;
572 fld
->child
[i
]->field_type
= fld
->field_type
->element_type
[i
];
574 fld
->child
[i
]->field_type
->element_name
575 = g_quark_from_string(((field_t
*)(td
->fields
.array
[i
]))->name
);
577 fld
->child
[i
]->offset_root
= 0;
578 fld
->child
[i
]->fixed_root
= FIELD_UNKNOWN
;
579 fld
->child
[i
]->offset_parent
= 0;
580 fld
->child
[i
]->fixed_parent
= FIELD_UNKNOWN
;
581 fld
->child
[i
]->field_size
= 0;
582 fld
->child
[i
]->fixed_size
= FIELD_UNKNOWN
;
583 fld
->child
[i
]->parent
= fld
;
584 fld
->child
[i
]->child
= NULL
;
585 fld
->child
[i
]->current_element
= 0;
586 construct_types_and_fields(fac
, tmpTd
, fld
->child
[i
]);
591 g_error("construct_types_and_fields : unknown type");
600 void construct_types_and_fields(LttFacility
* fac
, type_descriptor
* td
,
604 type_descriptor
* tmpTd
;
606 // if(td->type == LTT_STRING || td->type == LTT_SEQUENCE)
607 // fld->field_size = 0;
608 // else fld->field_size = -1;
610 if(td
->type
== LTT_ENUM
){
611 fld
->field_type
->element_number
= td
->labels
.position
;
612 fld
->field_type
->enum_strings
= g_new(GQuark
,td
->labels
.position
);
613 for(i
=0;i
<td
->labels
.position
;i
++){
614 fld
->field_type
->enum_strings
[i
]
615 = g_quark_from_string(((char*)(td
->labels
.array
[i
])));
617 }else if(td
->type
== LTT_ARRAY
|| td
->type
== LTT_SEQUENCE
){
618 if(td
->type
== LTT_ARRAY
)
619 fld
->field_type
->element_number
= (unsigned)td
->size
;
620 fld
->field_type
->element_type
= g_new(LttType
*,1);
621 tmpTd
= td
->nested_type
;
622 fld
->field_type
->element_type
[0] = lookup_named_type(fac
, tmpTd
);
623 fld
->child
= g_new(LttField
*, 1);
624 fld
->child
[0] = g_new(LttField
, 1);
626 // fld->child[0]->field_pos = 0;
627 fld
->child
[0]->field_type
= fld
->field_type
->element_type
[0];
628 fld
->child
[0]->offset_root
= fld
->offset_root
;
629 fld
->child
[0]->fixed_root
= fld
->fixed_root
;
630 fld
->child
[0]->offset_parent
= 0;
631 fld
->child
[0]->fixed_parent
= 1;
632 // fld->child[0]->base_address = NULL;
633 fld
->child
[0]->field_size
= 0;
634 fld
->child
[0]->field_fixed
= -1;
635 fld
->child
[0]->parent
= fld
;
636 fld
->child
[0]->child
= NULL
;
637 fld
->child
[0]->current_element
= 0;
638 construct_types_and_fields(fac
, tmpTd
, fld
->child
[0]);
639 }else if(td
->type
== LTT_STRUCT
){
640 fld
->field_type
->element_number
= td
->fields
.position
;
642 if(fld
->field_type
->element_type
== NULL
){
643 fld
->field_type
->element_type
= g_new(LttType
*, td
->fields
.position
);
649 fld
->child
= g_new(LttField
*, td
->fields
.position
);
650 for(i
=0;i
<td
->fields
.position
;i
++){
651 tmpTd
= ((type_fields
*)(td
->fields
.array
[i
]))->type
;
654 fld
->field_type
->element_type
[i
] = lookup_named_type(fac
, tmpTd
);
655 fld
->child
[i
] = g_new(LttField
,1);
657 fld
->child
[i
]->field_pos
= i
;
658 fld
->child
[i
]->field_type
= fld
->field_type
->element_type
[i
];
661 fld
->child
[i
]->field_type
->element_name
662 = g_quark_from_string(((type_fields
*)(td
->fields
.array
[i
]))->name
);
665 fld
->child
[i
]->offset_root
= -1;
666 fld
->child
[i
]->fixed_root
= -1;
667 fld
->child
[i
]->offset_parent
= -1;
668 fld
->child
[i
]->fixed_parent
= -1;
669 // fld->child[i]->base_address = NULL;
670 fld
->child
[i
]->field_size
= 0;
671 fld
->child
[i
]->field_fixed
= -1;
672 fld
->child
[i
]->parent
= fld
;
673 fld
->child
[i
]->child
= NULL
;
674 fld
->child
[i
]->current_element
= 0;
675 construct_types_and_fields(fac
, tmpTd
, fld
->child
[i
]);
682 /*****************************************************************************
684 * lookup_named_type: search named type in the table
687 * fac : facility struct
690 * : either find the named type, or create a new LttType
691 ****************************************************************************/
693 LttType
* lookup_named_type(LttFacility
*fac
, GQuark type_name
)
695 LttType
*type
= NULL
;
698 type
= g_datalist_id_get_data(&fac
->named_types
, name
);
700 g_assert(type
!= NULL
);
703 /* Create the type */
704 type
= g_new(LttType
,1);
705 type
->type_name
= name
;
706 type
->type_class
= td
->type
;
707 if(td
->fmt
) type
->fmt
= g_strdup(td
->fmt
);
708 else type
->fmt
= NULL
;
709 type
->size
= td
->size
;
710 type
->enum_strings
= NULL
;
711 type
->element_type
= NULL
;
712 type
->element_number
= 0;
714 if(td
->type_name
!= NULL
)
715 g_datalist_id_set_data_full(&fac
->named_types
, name
,
716 type
, (GDestroyNotify
)freeLttNamedType
);
723 /*****************************************************************************
725 * ltt_facility_close : close a facility, decrease its usage count,
726 * if usage count = 0, release the memory
728 * f : facility that will be closed
729 ****************************************************************************/
731 void ltt_facility_close(LttFacility
*f
)
733 //release the memory it occupied
737 /*****************************************************************************
738 * Functions to release the memory occupied by the facility
739 ****************************************************************************/
741 void freeFacility(LttFacility
* fac
)
746 for(i
=0; i
<fac
->events
->len
; i
++) {
747 et
= &g_array_index (fac
->events
, LttEventType
, i
);
750 g_array_free(fac
->events
, TRUE
);
752 g_datalist_clear(&fac
->events_by_name
);
754 // g_datalist_clear(&fac->named_types);
757 void freeEventtype(LttEventType
* evType
)
761 if(evType
->description
)
762 g_free(evType
->description
);
764 for(i
=0; i
<evType
->fields
->len
;i
++) {
765 LttField
*field
= &g_array_index(evType
->fields
, LttField
, i
);
768 g_array_free(evType
->fields
, TRUE
);
769 g_datalist_clear(&evType
->fields_by_name
);
772 void freeLttType(LttType
* type
)
780 g_hash_table_destroy(type
->enum_map
);
783 for(i
=0; i
<type
->fields
->len
; i
++) {
784 freeLttField(&g_array_index(type
->fields
, LttField
, i
));
786 g_array_free(type
->fields
, TRUE
);
788 if(type
->fields_by_name
)
789 g_datalist_clear(&type
->fields_by_name
);
792 void freeLttNamedType(LttType
* type
)
797 void freeLttField(LttField
* field
)
799 if(field
->description
)
800 g_free(field
->description
);
801 if(field
->dynamic_offsets
)
802 g_array_free(field
->dynamic_offsets
, TRUE
);
803 freeLttType(&field
->field_type
);
806 /*****************************************************************************
808 * ltt_facility_name : obtain the facility's name
812 * GQuark : the facility's name
813 ****************************************************************************/
815 GQuark
ltt_facility_name(LttFacility
*f
)
820 /*****************************************************************************
822 * ltt_facility_checksum : obtain the facility's checksum
826 * : the checksum of the facility
827 ****************************************************************************/
829 guint32
ltt_facility_checksum(LttFacility
*f
)
834 /*****************************************************************************
836 * ltt_facility_base_id : obtain the facility base id
840 * : the base id of the facility
841 ****************************************************************************/
843 guint
ltt_facility_id(LttFacility
*f
)
848 /*****************************************************************************
850 * ltt_facility_eventtype_number: obtain the number of the event types
852 * f : the facility that will be closed
854 * : the number of the event types
855 ****************************************************************************/
857 guint8
ltt_facility_eventtype_number(LttFacility
*f
)
859 return (f
->events
->len
);
862 /*****************************************************************************
864 * ltt_facility_eventtype_get: obtain the event type according to event id
865 * from 0 to event_number - 1
867 * f : the facility that will be closed
869 * LttEventType * : the event type required
870 ****************************************************************************/
872 LttEventType
*ltt_facility_eventtype_get(LttFacility
*f
, guint8 i
)
874 if(!f
->exists
) return NULL
;
876 g_assert(i
< f
->events
->len
);
877 return &g_array_index(f
->events
, LttEventType
, i
);
880 /*****************************************************************************
882 * ltt_facility_eventtype_get_by_name
883 * : obtain the event type according to event name
884 * event name is unique in the facility
887 * name : the name of the event
889 * LttEventType * : the event type required
890 ****************************************************************************/
892 LttEventType
*ltt_facility_eventtype_get_by_name(LttFacility
*f
, GQuark name
)
894 LttEventType
*et
= g_datalist_id_get_data(&f
->events_by_name
, name
);
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