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
);
142 if(checksum
== f
->checksum
) {
143 generateFacility(f
, fac
, checksum
);
149 g_free(fac
->description
);
150 freeEvents(&fac
->events
);
151 sequence_dispose(&fac
->events
);
152 freeNamedType(&fac
->named_types
);
153 table_dispose(&fac
->named_types
);
154 freeTypes(&fac
->unnamed_types
);
155 sequence_dispose(&fac
->unnamed_types
);
157 if(generated
) break; /* use the first good match */
160 g_warning("facility token was expected in file %s", in
.name
);
171 g_warning("Cannot find facility %s, checksum 0x%X",
172 g_quark_to_string(f
->name
), f
->checksum
);
180 /*****************************************************************************
182 * generateFacility : generate facility, internal function
184 * facility : LttFacilty structure
185 * fac : facility structure
186 * checksum : checksum of the facility
187 ****************************************************************************/
189 void generateFacility(LttFacility
*f
, facility_t
*fac
, guint32 checksum
)
191 char * facilityName
= fac
->name
;
192 sequence_t
* events
= &fac
->events
;
195 table_t
*named_types
= &fac
->named_types
;
197 g_assert(f
->name
== g_quark_from_string(facilityName
));
198 g_assert(f
->checksum
== checksum
);
200 //f->event_number = events->position;
202 //initialize inner structures
203 f
->events
= g_array_sized_new (FALSE
, TRUE
, sizeof(LttEventType
),
205 //f->events = g_new(LttEventType*,f->event_number);
206 f
->events
= g_array_set_size(f
->events
, events
->position
);
208 g_datalist_init(&f
->events_by_name
);
209 // g_datalist_init(&f->named_types);
211 /* The first day, he created the named types */
213 for(i
=0; i
<named_types
->keys
.position
; i
++) {
214 GQuark name
= g_quark_from_string((char*)named_types
->keys
.array
[i
]);
215 type_descriptor_t
*td
= (type_descriptor_t
*)named_types
->values
.array
[i
];
217 /* Create the type */
218 type
= g_new(LttType
,1);
219 type
->type_name
= name
;
220 type
->type_class
= td
->type
;
221 if(td
->fmt
) type
->fmt
= g_strdup(td
->fmt
);
222 else type
->fmt
= NULL
;
223 type
->size
= td
->size
;
224 type
->enum_strings
= NULL
;
225 type
->element_type
= NULL
;
226 type
->element_number
= 0;
228 construct_types_and_fields(type
, td
, NULL
, NULL
, ...);
230 g_datalist_id_set_data_full(&fac
->named_types
, name
,
231 type
, (GDestroyNotify
)freeLttNamedType
);
235 /* The second day, he created the event fields and types */
236 //for each event, construct field and type acyclic graph
237 for(i
=0;i
<events
->position
;i
++){
238 event_t
*parser_event
= (event_t
*)events
->array
[i
];
239 LttEventType
*event_type
= &g_array_index(f
->events
, LttEventType
, i
);
242 g_quark_from_string(parser_event
->name
);
244 g_datalist_id_set_data(&f
->events_by_name
, event_type
->name
,
247 event_type
->description
=
248 g_strdup(parser_event
->description
);
250 event_type
->index
= i
;
251 event_type
->facility
= f
;
253 event_type
->fields
= g_array_sized_new(FALSE
, TRUE
,
254 sizeof(LttField
), parser_event
->fields
.position
);
256 g_array_set_size(event_type
->fields
, parser_event
->fields
.position
);
257 g_datalist_init(&event_type
->fields_by_name
);
259 for(j
=0; j
<parser_event
->fields
.position
; j
++) {
260 LttField
*field
= &g_array_index(event_type
->fields
, LttField
, j
);
261 field_t
*parser_field
= (field_t
*)parser_event
->fields
.array
[j
];
263 construct_fields(f
, field
, parser_field
);
264 g_datalist_id_set_data(&event_type
->fields_by_name
,
270 /* What about 2 days weeks ? */
274 /*****************************************************************************
276 * construct_types_and_fields : construct field tree and type graph,
277 * internal recursion function
279 * fac : facility struct
280 * field : destination lttv field
281 * fld : source parser field
282 ****************************************************************************/
285 //make the change for arrays and sequences
286 //no more root field. -> change this for an array of fields.
287 // Compute the field size here.
288 // Flag fields as "VARIABLE OFFSET" or "FIXED OFFSET" : as soon as
289 // a field with a variable size is found, all the following fields must
290 // be flagged with "VARIABLE OFFSET", this will be done by the offset
294 void construct_fields(LttFacility
*fac
,
299 type_descriptor_t
*td
;
303 field
->name
= g_quark_from_string(fld
->name
);
307 if(fld
->description
) {
308 len
= strlen(fld
->description
);
309 field
->description
= g_new(gchar
, len
+1);
310 strcpy(field
->description
, fld
->description
);
312 field
->dynamic_offsets
= NULL
;
313 type
= &field
->field_type
;
316 type
->enum_map
= NULL
;
318 type
->fields_by_name
= NULL
;
319 type
->network
= td
->network
;
323 type
->type_class
= LTT_INT_FIXED
;
324 type
->size
= td
->size
;
327 type
->type_class
= LTT_UINT_FIXED
;
328 type
->size
= td
->size
;
331 type
->type_class
= LTT_POINTER
;
332 type
->size
= fac
->pointer_size
;
335 type
->type_class
= LTT_CHAR
;
336 type
->size
= td
->size
;
339 type
->type_class
= LTT_UCHAR
;
340 type
->size
= td
->size
;
341 g_assert(type
->size
!= 0);
344 type
->type_class
= LTT_SHORT
;
345 type
->size
= td
->size
;
348 type
->type_class
= LTT_USHORT
;
349 type
->size
= td
->size
;
352 type
->type_class
= LTT_INT
;
353 type
->size
= fac
->int_size
;
356 type
->type_class
= LTT_UINT
;
357 type
->size
= fac
->int_size
;
358 g_assert(type
->size
!= 0);
361 type
->type_class
= LTT_LONG
;
362 type
->size
= fac
->long_size
;
365 type
->type_class
= LTT_ULONG
;
366 type
->size
= fac
->long_size
;
369 type
->type_class
= LTT_SIZE_T
;
370 type
->size
= fac
->size_t_size
;
373 type
->type_class
= LTT_SSIZE_T
;
374 type
->size
= fac
->size_t_size
;
377 type
->type_class
= LTT_OFF_T
;
378 type
->size
= fac
->size_t_size
;
381 type
->type_class
= LTT_FLOAT
;
382 type
->size
= td
->size
;
385 type
->type_class
= LTT_STRING
;
389 type
->type_class
= LTT_ENUM
;
390 type
->size
= fac
->int_size
;
393 type
->enum_map
= g_hash_table_new(g_direct_hash
, g_direct_equal
);
394 for(i
=0; i
<td
->labels
.position
; i
++) {
395 GQuark value
= g_quark_from_string((char*)td
->labels
.array
[i
]);
396 gint key
= *(int*)td
->labels_values
.array
[i
];
397 g_hash_table_insert(type
->enum_map
, (gpointer
)key
, (gpointer
)value
);
400 g_assert(type
->size
!= 0);
403 type
->type_class
= LTT_ARRAY
;
404 type
->size
= td
->size
;
405 type
->fields
= g_array_sized_new(FALSE
, TRUE
, sizeof(LttField
),
406 td
->fields
.position
);
407 type
->fields
= g_array_set_size(type
->fields
, td
->fields
.position
);
411 for(i
=0; i
<td
->fields
.position
; i
++) {
412 field_t
*schild
= (field_t
*)td
->fields
.array
[i
];
413 LttField
*dchild
= &g_array_index(type
->fields
, LttField
, i
);
415 construct_fields(fac
, dchild
, schild
);
420 type
->type_class
= LTT_SEQUENCE
;
422 type
->fields
= g_array_sized_new(FALSE
, TRUE
, sizeof(LttField
),
423 td
->fields
.position
);
424 type
->fields
= g_array_set_size(type
->fields
, td
->fields
.position
);
428 for(i
=0; i
<td
->fields
.position
; i
++) {
429 field_t
*schild
= (field_t
*)td
->fields
.array
[i
];
430 LttField
*dchild
= &g_array_index(type
->fields
, LttField
, i
);
432 construct_fields(fac
, dchild
, schild
);
437 type
->type_class
= LTT_STRUCT
;
438 type
->size
= 0; // Size not calculated by the parser.
439 type
->fields
= g_array_sized_new(FALSE
, TRUE
, sizeof(LttField
),
440 td
->fields
.position
);
441 type
->fields
= g_array_set_size(type
->fields
, td
->fields
.position
);
442 g_datalist_init(&type
->fields_by_name
);
446 for(i
=0; i
<td
->fields
.position
; i
++) {
447 field_t
*schild
= (field_t
*)td
->fields
.array
[i
];
448 LttField
*dchild
= &g_array_index(type
->fields
, LttField
, i
);
450 construct_fields(fac
, dchild
, schild
);
451 g_datalist_id_set_data(&type
->fields_by_name
,
458 type
->type_class
= LTT_UNION
;
459 type
->size
= 0; // Size not calculated by the parser.
460 type
->fields
= g_array_sized_new(FALSE
, TRUE
, sizeof(LttField
),
461 td
->fields
.position
);
462 type
->fields
= g_array_set_size(type
->fields
, td
->fields
.position
);
463 g_datalist_init(&type
->fields_by_name
);
467 for(i
=0; i
<td
->fields
.position
; i
++) {
468 field_t
*schild
= (field_t
*)td
->fields
.array
[i
];
469 LttField
*dchild
= &g_array_index(type
->fields
, LttField
, i
);
471 construct_fields(fac
, dchild
, schild
);
472 g_datalist_id_set_data(&type
->fields_by_name
,
480 g_error("construct_fields : unknown type");
483 field
->field_size
= type
->size
;
485 /* Put the fields as "variable" offset to root first. Then,
486 * the offset precomputation will only have to set the FIELD_FIXED until
487 * it reaches the first variable length field, then stop.
489 field
->fixed_root
= FIELD_VARIABLE
;
492 len
= strlen(td
->fmt
);
493 type
->fmt
= g_new(gchar
, len
+1);
494 strcpy(type
->fmt
, td
->fmt
);
501 void construct_types_and_fields(LttFacility
* fac
, type_descriptor_t
* td
,
505 type_descriptor_t
* tmpTd
;
511 fld
->field_type
->size
= td
->size
;
519 fld
->field_type
->size
= 0;
522 fld
->field_type
->size
= 0;
525 fld
->field_type
->element_number
= td
->labels
.position
;
526 fld
->field_type
->enum_strings
= g_new(GQuark
,td
->labels
.position
);
527 for(i
=0;i
<td
->labels
.position
;i
++){
528 fld
->field_type
->enum_strings
[i
]
529 = g_quark_from_string(((char*)(td
->labels
.array
[i
])));
531 fld
->field_type
->size
= td
->size
;
535 fld
->field_type
->element_number
= (unsigned)td
->size
;
537 fld
->field_type
->element_type
= g_new(LttType
*,1);
538 tmpTd
= td
->nested_type
;
539 fld
->field_type
->element_type
[0] = lookup_named_type(fac
, tmpTd
);
540 fld
->child
= g_new(LttField
*, 1);
541 fld
->child
[0] = g_new(LttField
, 1);
543 fld
->child
[0]->field_type
= fld
->field_type
->element_type
[0];
544 fld
->child
[0]->offset_root
= 0;
545 fld
->child
[0]->fixed_root
= FIELD_UNKNOWN
;
546 fld
->child
[0]->offset_parent
= 0;
547 fld
->child
[0]->fixed_parent
= FIELD_UNKNOWN
;
548 fld
->child
[0]->field_size
= 0;
549 fld
->child
[0]->fixed_size
= FIELD_UNKNOWN
;
550 fld
->child
[0]->parent
= fld
;
551 fld
->child
[0]->child
= NULL
;
552 fld
->child
[0]->current_element
= 0;
553 construct_types_and_fields(fac
, tmpTd
, fld
->child
[0]);
558 fld
->field_type
->element_number
= td
->fields
.position
;
560 g_assert(fld
->field_type
->element_type
== NULL
);
561 fld
->field_type
->element_type
= g_new(LttType
*, td
->fields
.position
);
563 fld
->child
= g_new(LttField
*, td
->fields
.position
);
564 for(i
=0;i
<td
->fields
.position
;i
++){
565 tmpTd
= ((field_t
*)(td
->fields
.array
[i
]))->type
;
567 fld
->field_type
->element_type
[i
] = lookup_named_type(fac
, tmpTd
);
568 fld
->child
[i
] = g_new(LttField
,1);
570 // fld->child[i]->field_pos = i;
571 fld
->child
[i
]->field_type
= fld
->field_type
->element_type
[i
];
573 fld
->child
[i
]->field_type
->element_name
574 = g_quark_from_string(((field_t
*)(td
->fields
.array
[i
]))->name
);
576 fld
->child
[i
]->offset_root
= 0;
577 fld
->child
[i
]->fixed_root
= FIELD_UNKNOWN
;
578 fld
->child
[i
]->offset_parent
= 0;
579 fld
->child
[i
]->fixed_parent
= FIELD_UNKNOWN
;
580 fld
->child
[i
]->field_size
= 0;
581 fld
->child
[i
]->fixed_size
= FIELD_UNKNOWN
;
582 fld
->child
[i
]->parent
= fld
;
583 fld
->child
[i
]->child
= NULL
;
584 fld
->child
[i
]->current_element
= 0;
585 construct_types_and_fields(fac
, tmpTd
, fld
->child
[i
]);
590 g_error("construct_types_and_fields : unknown type");
599 void construct_types_and_fields(LttFacility
* fac
, type_descriptor
* td
,
603 type_descriptor
* tmpTd
;
605 // if(td->type == LTT_STRING || td->type == LTT_SEQUENCE)
606 // fld->field_size = 0;
607 // else fld->field_size = -1;
609 if(td
->type
== LTT_ENUM
){
610 fld
->field_type
->element_number
= td
->labels
.position
;
611 fld
->field_type
->enum_strings
= g_new(GQuark
,td
->labels
.position
);
612 for(i
=0;i
<td
->labels
.position
;i
++){
613 fld
->field_type
->enum_strings
[i
]
614 = g_quark_from_string(((char*)(td
->labels
.array
[i
])));
616 }else if(td
->type
== LTT_ARRAY
|| td
->type
== LTT_SEQUENCE
){
617 if(td
->type
== LTT_ARRAY
)
618 fld
->field_type
->element_number
= (unsigned)td
->size
;
619 fld
->field_type
->element_type
= g_new(LttType
*,1);
620 tmpTd
= td
->nested_type
;
621 fld
->field_type
->element_type
[0] = lookup_named_type(fac
, tmpTd
);
622 fld
->child
= g_new(LttField
*, 1);
623 fld
->child
[0] = g_new(LttField
, 1);
625 // fld->child[0]->field_pos = 0;
626 fld
->child
[0]->field_type
= fld
->field_type
->element_type
[0];
627 fld
->child
[0]->offset_root
= fld
->offset_root
;
628 fld
->child
[0]->fixed_root
= fld
->fixed_root
;
629 fld
->child
[0]->offset_parent
= 0;
630 fld
->child
[0]->fixed_parent
= 1;
631 // fld->child[0]->base_address = NULL;
632 fld
->child
[0]->field_size
= 0;
633 fld
->child
[0]->field_fixed
= -1;
634 fld
->child
[0]->parent
= fld
;
635 fld
->child
[0]->child
= NULL
;
636 fld
->child
[0]->current_element
= 0;
637 construct_types_and_fields(fac
, tmpTd
, fld
->child
[0]);
638 }else if(td
->type
== LTT_STRUCT
){
639 fld
->field_type
->element_number
= td
->fields
.position
;
641 if(fld
->field_type
->element_type
== NULL
){
642 fld
->field_type
->element_type
= g_new(LttType
*, td
->fields
.position
);
648 fld
->child
= g_new(LttField
*, td
->fields
.position
);
649 for(i
=0;i
<td
->fields
.position
;i
++){
650 tmpTd
= ((type_fields
*)(td
->fields
.array
[i
]))->type
;
653 fld
->field_type
->element_type
[i
] = lookup_named_type(fac
, tmpTd
);
654 fld
->child
[i
] = g_new(LttField
,1);
656 fld
->child
[i
]->field_pos
= i
;
657 fld
->child
[i
]->field_type
= fld
->field_type
->element_type
[i
];
660 fld
->child
[i
]->field_type
->element_name
661 = g_quark_from_string(((type_fields
*)(td
->fields
.array
[i
]))->name
);
664 fld
->child
[i
]->offset_root
= -1;
665 fld
->child
[i
]->fixed_root
= -1;
666 fld
->child
[i
]->offset_parent
= -1;
667 fld
->child
[i
]->fixed_parent
= -1;
668 // fld->child[i]->base_address = NULL;
669 fld
->child
[i
]->field_size
= 0;
670 fld
->child
[i
]->field_fixed
= -1;
671 fld
->child
[i
]->parent
= fld
;
672 fld
->child
[i
]->child
= NULL
;
673 fld
->child
[i
]->current_element
= 0;
674 construct_types_and_fields(fac
, tmpTd
, fld
->child
[i
]);
681 /*****************************************************************************
683 * lookup_named_type: search named type in the table
686 * fac : facility struct
689 * : either find the named type, or create a new LttType
690 ****************************************************************************/
692 LttType
* lookup_named_type(LttFacility
*fac
, GQuark type_name
)
694 LttType
*type
= NULL
;
697 type
= g_datalist_id_get_data(&fac
->named_types
, name
);
699 g_assert(type
!= NULL
);
702 /* Create the type */
703 type
= g_new(LttType
,1);
704 type
->type_name
= name
;
705 type
->type_class
= td
->type
;
706 if(td
->fmt
) type
->fmt
= g_strdup(td
->fmt
);
707 else type
->fmt
= NULL
;
708 type
->size
= td
->size
;
709 type
->enum_strings
= NULL
;
710 type
->element_type
= NULL
;
711 type
->element_number
= 0;
713 if(td
->type_name
!= NULL
)
714 g_datalist_id_set_data_full(&fac
->named_types
, name
,
715 type
, (GDestroyNotify
)freeLttNamedType
);
722 /*****************************************************************************
724 * ltt_facility_close : close a facility, decrease its usage count,
725 * if usage count = 0, release the memory
727 * f : facility that will be closed
728 ****************************************************************************/
730 void ltt_facility_close(LttFacility
*f
)
732 //release the memory it occupied
736 /*****************************************************************************
737 * Functions to release the memory occupied by the facility
738 ****************************************************************************/
740 void freeFacility(LttFacility
* fac
)
745 for(i
=0; i
<fac
->events
->len
; i
++) {
746 et
= &g_array_index (fac
->events
, LttEventType
, i
);
749 g_array_free(fac
->events
, TRUE
);
751 g_datalist_clear(&fac
->events_by_name
);
753 // g_datalist_clear(&fac->named_types);
756 void freeEventtype(LttEventType
* evType
)
760 if(evType
->description
)
761 g_free(evType
->description
);
763 for(i
=0; i
<evType
->fields
->len
;i
++) {
764 LttField
*field
= &g_array_index(evType
->fields
, LttField
, i
);
767 g_array_free(evType
->fields
, TRUE
);
768 g_datalist_clear(&evType
->fields_by_name
);
771 void freeLttType(LttType
* type
)
779 g_hash_table_destroy(type
->enum_map
);
782 for(i
=0; i
<type
->fields
->len
; i
++) {
783 freeLttField(&g_array_index(type
->fields
, LttField
, i
));
785 g_array_free(type
->fields
, TRUE
);
787 if(type
->fields_by_name
)
788 g_datalist_clear(&type
->fields_by_name
);
791 void freeLttNamedType(LttType
* type
)
796 void freeLttField(LttField
* field
)
798 if(field
->description
)
799 g_free(field
->description
);
800 if(field
->dynamic_offsets
)
801 g_array_free(field
->dynamic_offsets
, TRUE
);
802 freeLttType(&field
->field_type
);
805 /*****************************************************************************
807 * ltt_facility_name : obtain the facility's name
811 * GQuark : the facility's name
812 ****************************************************************************/
814 GQuark
ltt_facility_name(LttFacility
*f
)
819 /*****************************************************************************
821 * ltt_facility_checksum : obtain the facility's checksum
825 * : the checksum of the facility
826 ****************************************************************************/
828 guint32
ltt_facility_checksum(LttFacility
*f
)
833 /*****************************************************************************
835 * ltt_facility_base_id : obtain the facility base id
839 * : the base id of the facility
840 ****************************************************************************/
842 guint
ltt_facility_id(LttFacility
*f
)
847 /*****************************************************************************
849 * ltt_facility_eventtype_number: obtain the number of the event types
851 * f : the facility that will be closed
853 * : the number of the event types
854 ****************************************************************************/
856 guint8
ltt_facility_eventtype_number(LttFacility
*f
)
858 return (f
->events
->len
);
861 /*****************************************************************************
863 * ltt_facility_eventtype_get: obtain the event type according to event id
864 * from 0 to event_number - 1
866 * f : the facility that will be closed
868 * LttEventType * : the event type required
869 ****************************************************************************/
871 LttEventType
*ltt_facility_eventtype_get(LttFacility
*f
, guint8 i
)
873 if(!f
->exists
) return NULL
;
875 g_assert(i
< f
->events
->len
);
876 return &g_array_index(f
->events
, LttEventType
, i
);
879 /*****************************************************************************
881 * ltt_facility_eventtype_get_by_name
882 * : obtain the event type according to event name
883 * event name is unique in the facility
886 * name : the name of the event
888 * LttEventType * : the event type required
889 ****************************************************************************/
891 LttEventType
*ltt_facility_eventtype_get_by_name(LttFacility
*f
, GQuark name
)
893 LttEventType
*et
= g_datalist_id_get_data(&f
->events_by_name
, name
);
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