6cd62ccf |
1 | #include <stdlib.h> |
2 | #include <string.h> |
3 | #include <stdio.h> |
4 | |
6cd62ccf |
5 | #include "parser.h" |
a5dcde2f |
6 | #include <ltt/ltt.h> |
7 | #include "ltt-private.h" |
6cd62ccf |
8 | #include <ltt/facility.h> |
9 | |
10 | /* search for the (named) type in the table, if it does not exist |
11 | create a new one */ |
963b5f2d |
12 | LttType * lookup_named_type(LttFacility *fac, type_descriptor * td); |
6cd62ccf |
13 | |
14 | /* construct directed acyclic graph for types, and tree for fields */ |
963b5f2d |
15 | void constructTypeAndFields(LttFacility * fac,type_descriptor * td, |
16 | LttField * fld); |
6cd62ccf |
17 | |
18 | /* generate the facility according to the events belongin to it */ |
963b5f2d |
19 | void generateFacility(LttFacility * f, facility * fac, |
20 | LttChecksum checksum); |
6cd62ccf |
21 | |
22 | /* functions to release the memory occupied by a facility */ |
963b5f2d |
23 | void freeFacility(LttFacility * facility); |
24 | void freeEventtype(LttEventType * evType); |
1417d990 |
25 | void freeLttType(LttType ** type); |
963b5f2d |
26 | void freeLttField(LttField * fld); |
908f42fa |
27 | void freeLttNamedType(LttType * type); |
6cd62ccf |
28 | |
29 | |
30 | /***************************************************************************** |
31 | *Function name |
963b5f2d |
32 | * ltt_facility_open : open facilities |
6cd62ccf |
33 | *Input params |
963b5f2d |
34 | * t : the trace containing the facilities |
6cd62ccf |
35 | * pathname : the path name of the facility |
6cd62ccf |
36 | ****************************************************************************/ |
37 | |
963b5f2d |
38 | void ltt_facility_open(LttTrace * t, char * pathname) |
6cd62ccf |
39 | { |
40 | char *token; |
41 | parse_file in; |
42 | char buffer[BUFFER_SIZE]; |
963b5f2d |
43 | facility * fac; |
44 | LttFacility * f; |
45 | LttChecksum checksum; |
6cd62ccf |
46 | |
47 | in.buffer = buffer; |
48 | in.lineno = 0; |
49 | in.error = error_callback; |
963b5f2d |
50 | in.name = pathname; |
6cd62ccf |
51 | |
52 | in.fp = fopen(in.name, "r"); |
963b5f2d |
53 | if(!in.fp ) in.error(&in,"cannot open input file"); |
54 | |
6cd62ccf |
55 | while(1){ |
56 | token = getToken(&in); |
57 | if(in.type == ENDFILE) break; |
58 | |
963b5f2d |
59 | if(strcmp(token, "<")) in.error(&in,"not a facility file"); |
60 | token = getName(&in); |
61 | |
62 | if(strcmp("facility",token) == 0) { |
63 | fac = g_new(facility, 1); |
64 | fac->name = NULL; |
65 | fac->description = NULL; |
66 | sequence_init(&(fac->events)); |
67 | table_init(&(fac->named_types)); |
68 | sequence_init(&(fac->unnamed_types)); |
69 | |
70 | parseFacility(&in, fac); |
71 | |
72 | //check if any namedType is not defined |
73 | checkNamedTypesImplemented(&fac->named_types); |
74 | |
75 | generateChecksum(fac->name, &checksum, &fac->events); |
76 | |
77 | f = g_new(LttFacility,1); |
fe974fde |
78 | f->base_id = 0; |
963b5f2d |
79 | generateFacility(f, fac, checksum); |
80 | |
81 | t->facility_number++; |
82 | g_ptr_array_add(t->facilities,f); |
83 | |
84 | free(fac->name); |
85 | free(fac->description); |
86 | freeEvents(&fac->events); |
87 | sequence_dispose(&fac->events); |
88 | freeNamedType(&fac->named_types); |
89 | table_dispose(&fac->named_types); |
90 | freeTypes(&fac->unnamed_types); |
91 | sequence_dispose(&fac->unnamed_types); |
cf1307af |
92 | g_free(fac); |
6cd62ccf |
93 | } |
963b5f2d |
94 | else in.error(&in,"facility token was expected"); |
6cd62ccf |
95 | } |
6cd62ccf |
96 | fclose(in.fp); |
6cd62ccf |
97 | } |
98 | |
99 | |
100 | /***************************************************************************** |
101 | *Function name |
102 | * generateFacility : generate facility, internal function |
103 | *Input params |
963b5f2d |
104 | * facility : LttFacilty structure |
105 | * fac : facility structure |
6cd62ccf |
106 | * checksum : checksum of the facility |
6cd62ccf |
107 | ****************************************************************************/ |
108 | |
963b5f2d |
109 | void generateFacility(LttFacility *f, facility *fac,LttChecksum checksum) |
6cd62ccf |
110 | { |
963b5f2d |
111 | char * facilityName = fac->name; |
112 | sequence * events = &fac->events; |
6cd62ccf |
113 | int i; |
963b5f2d |
114 | LttEventType * evType; |
115 | LttField * field; |
116 | LttType * type; |
6cd62ccf |
117 | |
963b5f2d |
118 | f->name = g_strdup(facilityName); |
119 | f->event_number = events->position; |
120 | f->checksum = checksum; |
6cd62ccf |
121 | |
122 | //initialize inner structures |
963b5f2d |
123 | f->events = g_new(LttEventType*,f->event_number); |
1417d990 |
124 | f->named_types_number = fac->named_types.keys.position; |
125 | f->named_types = g_new(LttType*, fac->named_types.keys.position); |
126 | for(i=0;i<fac->named_types.keys.position;i++) f->named_types[i] = NULL; |
6cd62ccf |
127 | |
128 | //for each event, construct field tree and type graph |
129 | for(i=0;i<events->position;i++){ |
963b5f2d |
130 | evType = g_new(LttEventType,1); |
131 | f->events[i] = evType; |
6cd62ccf |
132 | |
133 | evType->name = g_strdup(((event*)(events->array[i]))->name); |
134 | evType->description=g_strdup(((event*)(events->array[i]))->description); |
135 | |
963b5f2d |
136 | field = g_new(LttField, 1); |
6cd62ccf |
137 | evType->root_field = field; |
963b5f2d |
138 | evType->facility = f; |
6cd62ccf |
139 | evType->index = i; |
140 | |
8710c6c7 |
141 | if(((event*)(events->array[i]))->type != NULL){ |
142 | field->field_pos = 0; |
143 | type = lookup_named_type(f,((event*)(events->array[i]))->type); |
144 | field->field_type = type; |
145 | field->offset_root = 0; |
146 | field->fixed_root = 1; |
147 | field->offset_parent = 0; |
148 | field->fixed_parent = 1; |
149 | // field->base_address = NULL; |
150 | field->field_size = 0; |
151 | field->field_fixed = -1; |
152 | field->parent = NULL; |
153 | field->child = NULL; |
154 | field->current_element = 0; |
72a508f8 |
155 | |
8710c6c7 |
156 | //construct field tree and type graph |
157 | constructTypeAndFields(f,((event*)(events->array[i]))->type,field); |
158 | }else{ |
72a508f8 |
159 | evType->root_field = NULL; |
8710c6c7 |
160 | g_free(field); |
161 | } |
6cd62ccf |
162 | } |
163 | } |
164 | |
165 | |
166 | /***************************************************************************** |
167 | *Function name |
168 | * constructTypeAndFields : construct field tree and type graph, |
169 | * internal recursion function |
170 | *Input params |
171 | * fac : facility struct |
172 | * td : type descriptor |
173 | * root_field : root field of the event |
174 | ****************************************************************************/ |
175 | |
963b5f2d |
176 | void constructTypeAndFields(LttFacility * fac,type_descriptor * td, |
177 | LttField * fld) |
6cd62ccf |
178 | { |
908f42fa |
179 | int i, flag; |
6cd62ccf |
180 | type_descriptor * tmpTd; |
181 | |
182 | // if(td->type == LTT_STRING || td->type == LTT_SEQUENCE) |
183 | // fld->field_size = 0; |
184 | // else fld->field_size = -1; |
185 | |
186 | if(td->type == LTT_ENUM){ |
187 | fld->field_type->element_number = td->labels.position; |
188 | fld->field_type->enum_strings = g_new(char*,td->labels.position); |
189 | for(i=0;i<td->labels.position;i++){ |
190 | fld->field_type->enum_strings[i] |
191 | = g_strdup(((char*)(td->labels.array[i]))); |
192 | } |
193 | }else if(td->type == LTT_ARRAY || td->type == LTT_SEQUENCE){ |
194 | if(td->type == LTT_ARRAY) |
195 | fld->field_type->element_number = (unsigned)td->size; |
963b5f2d |
196 | fld->field_type->element_type = g_new(LttType*,1); |
6cd62ccf |
197 | tmpTd = td->nested_type; |
198 | fld->field_type->element_type[0] = lookup_named_type(fac, tmpTd); |
963b5f2d |
199 | fld->child = g_new(LttField*, 1); |
200 | fld->child[0] = g_new(LttField, 1); |
6cd62ccf |
201 | |
202 | fld->child[0]->field_pos = 0; |
203 | fld->child[0]->field_type = fld->field_type->element_type[0]; |
204 | fld->child[0]->offset_root = fld->offset_root; |
205 | fld->child[0]->fixed_root = fld->fixed_root; |
206 | fld->child[0]->offset_parent = 0; |
207 | fld->child[0]->fixed_parent = 1; |
208 | // fld->child[0]->base_address = NULL; |
209 | fld->child[0]->field_size = 0; |
210 | fld->child[0]->field_fixed = -1; |
211 | fld->child[0]->parent = fld; |
212 | fld->child[0]->child = NULL; |
213 | fld->child[0]->current_element = 0; |
214 | constructTypeAndFields(fac, tmpTd, fld->child[0]); |
215 | }else if(td->type == LTT_STRUCT){ |
216 | fld->field_type->element_number = td->fields.position; |
908f42fa |
217 | |
218 | if(fld->field_type->element_type == NULL){ |
219 | fld->field_type->element_type = g_new(LttType*, td->fields.position); |
220 | flag = 1; |
221 | }else{ |
222 | flag = 0; |
223 | } |
224 | |
963b5f2d |
225 | fld->child = g_new(LttField*, td->fields.position); |
6cd62ccf |
226 | for(i=0;i<td->fields.position;i++){ |
227 | tmpTd = ((field*)(td->fields.array[i]))->type; |
908f42fa |
228 | |
229 | if(flag) |
230 | fld->field_type->element_type[i] = lookup_named_type(fac, tmpTd); |
963b5f2d |
231 | fld->child[i] = g_new(LttField,1); |
6cd62ccf |
232 | |
233 | fld->child[i]->field_pos = i; |
234 | fld->child[i]->field_type = fld->field_type->element_type[i]; |
908f42fa |
235 | |
236 | if(flag){ |
237 | fld->child[i]->field_type->element_name |
238 | = g_strdup(((field*)(td->fields.array[i]))->name); |
239 | } |
240 | |
6cd62ccf |
241 | fld->child[i]->offset_root = -1; |
242 | fld->child[i]->fixed_root = -1; |
243 | fld->child[i]->offset_parent = -1; |
244 | fld->child[i]->fixed_parent = -1; |
245 | // fld->child[i]->base_address = NULL; |
246 | fld->child[i]->field_size = 0; |
247 | fld->child[i]->field_fixed = -1; |
248 | fld->child[i]->parent = fld; |
249 | fld->child[i]->child = NULL; |
250 | fld->child[i]->current_element = 0; |
251 | constructTypeAndFields(fac, tmpTd, fld->child[i]); |
252 | } |
253 | } |
254 | } |
255 | |
256 | |
257 | /***************************************************************************** |
258 | *Function name |
259 | * lookup_named_type: search named type in the table |
260 | * internal function |
261 | *Input params |
262 | * fac : facility struct |
263 | * td : type descriptor |
264 | *Return value |
963b5f2d |
265 | * : either find the named type, or create a new LttType |
6cd62ccf |
266 | ****************************************************************************/ |
267 | |
963b5f2d |
268 | LttType * lookup_named_type(LttFacility *fac, type_descriptor * td) |
6cd62ccf |
269 | { |
963b5f2d |
270 | LttType * lttType = NULL; |
6cd62ccf |
271 | int i; |
272 | char * name; |
273 | if(td->type_name){ |
1417d990 |
274 | for(i=0;i<fac->named_types_number; i++){ |
275 | if(fac->named_types[i] == NULL) break; |
908f42fa |
276 | name = fac->named_types[i]->type_name; |
6cd62ccf |
277 | if(strcmp(name, td->type_name)==0){ |
908f42fa |
278 | lttType = fac->named_types[i]; |
279 | // if(lttType->element_name) g_free(lttType->element_name); |
280 | // lttType->element_name = NULL; |
1417d990 |
281 | break; |
6cd62ccf |
282 | } |
283 | } |
284 | } |
285 | |
286 | if(!lttType){ |
963b5f2d |
287 | lttType = g_new(LttType,1); |
6cd62ccf |
288 | lttType->type_class = td->type; |
289 | if(td->fmt) lttType->fmt = g_strdup(td->fmt); |
290 | else lttType->fmt = NULL; |
291 | lttType->size = td->size; |
292 | lttType->enum_strings = NULL; |
293 | lttType->element_type = NULL; |
294 | lttType->element_number = 0; |
908f42fa |
295 | lttType->element_name = NULL; |
6cd62ccf |
296 | if(td->type_name){ |
908f42fa |
297 | lttType->type_name = g_strdup(td->type_name); |
1417d990 |
298 | fac->named_types[i] = lttType; |
6cd62ccf |
299 | } |
300 | else{ |
908f42fa |
301 | lttType->type_name = NULL; |
6cd62ccf |
302 | } |
303 | } |
304 | |
305 | return lttType; |
306 | } |
307 | |
308 | |
309 | /***************************************************************************** |
310 | *Function name |
311 | * ltt_facility_close : close a facility, decrease its usage count, |
312 | * if usage count = 0, release the memory |
313 | *Input params |
314 | * f : facility that will be closed |
315 | *Return value |
316 | * int : usage count ?? status |
317 | ****************************************************************************/ |
318 | |
963b5f2d |
319 | int ltt_facility_close(LttFacility *f) |
6cd62ccf |
320 | { |
6cd62ccf |
321 | //release the memory it occupied |
322 | freeFacility(f); |
323 | |
324 | return 0; |
325 | } |
326 | |
327 | /***************************************************************************** |
328 | * Functions to release the memory occupied by the facility |
329 | ****************************************************************************/ |
330 | |
963b5f2d |
331 | void freeFacility(LttFacility * fac) |
6cd62ccf |
332 | { |
333 | int i; |
334 | g_free(fac->name); //free facility name |
335 | |
336 | //free event types |
337 | for(i=0;i<fac->event_number;i++){ |
338 | freeEventtype(fac->events[i]); |
339 | } |
963b5f2d |
340 | g_free(fac->events); |
6cd62ccf |
341 | |
342 | //free all named types |
908f42fa |
343 | for(i=0;i<fac->named_types_number;i++){ |
344 | freeLttNamedType(fac->named_types[i]); |
345 | fac->named_types[i] = NULL; |
346 | } |
1417d990 |
347 | g_free(fac->named_types); |
6cd62ccf |
348 | |
349 | //free the facility itself |
350 | g_free(fac); |
351 | } |
352 | |
963b5f2d |
353 | void freeEventtype(LttEventType * evType) |
6cd62ccf |
354 | { |
908f42fa |
355 | LttType * root_type; |
6cd62ccf |
356 | g_free(evType->name); |
357 | if(evType->description) |
358 | g_free(evType->description); |
1417d990 |
359 | if(evType->root_field){ |
908f42fa |
360 | root_type = evType->root_field->field_type; |
1417d990 |
361 | freeLttField(evType->root_field); |
908f42fa |
362 | freeLttType(&root_type); |
1417d990 |
363 | } |
364 | |
6cd62ccf |
365 | g_free(evType); |
366 | } |
367 | |
908f42fa |
368 | void freeLttNamedType(LttType * type) |
369 | { |
370 | int i; |
371 | g_free(type->type_name); |
372 | type->type_name = NULL; |
373 | freeLttType(&type); |
374 | } |
375 | |
1417d990 |
376 | void freeLttType(LttType ** type) |
6cd62ccf |
377 | { |
378 | int i; |
1417d990 |
379 | if(*type == NULL) return; |
908f42fa |
380 | if((*type)->type_name){ |
381 | return; //this is a named type |
382 | } |
1417d990 |
383 | if((*type)->element_name) |
384 | g_free((*type)->element_name); |
385 | if((*type)->fmt) |
386 | g_free((*type)->fmt); |
387 | if((*type)->enum_strings){ |
388 | for(i=0;i<(*type)->element_number;i++) |
389 | g_free((*type)->enum_strings[i]); |
390 | g_free((*type)->enum_strings); |
6cd62ccf |
391 | } |
6cd62ccf |
392 | |
1417d990 |
393 | if((*type)->element_type){ |
908f42fa |
394 | for(i=0;i<(*type)->element_number;i++) |
395 | freeLttType(&((*type)->element_type[i])); |
1417d990 |
396 | g_free((*type)->element_type); |
6cd62ccf |
397 | } |
1417d990 |
398 | g_free(*type); |
399 | *type = NULL; |
6cd62ccf |
400 | } |
401 | |
1417d990 |
402 | void freeLttField(LttField * fld) |
403 | { |
963b5f2d |
404 | int i; |
908f42fa |
405 | int size = 0; |
1417d990 |
406 | |
407 | if(fld->field_type){ |
408 | if(fld->field_type->type_class == LTT_ARRAY || |
409 | fld->field_type->type_class == LTT_SEQUENCE){ |
410 | size = 1; |
411 | }else if(fld->field_type->type_class == LTT_STRUCT){ |
412 | size = fld->field_type->element_number; |
413 | } |
963b5f2d |
414 | } |
6cd62ccf |
415 | |
1417d990 |
416 | if(fld->child){ |
417 | for(i=0; i<size; i++){ |
418 | if(fld->child[i])freeLttField(fld->child[i]); |
419 | } |
6cd62ccf |
420 | g_free(fld->child); |
1417d990 |
421 | } |
6cd62ccf |
422 | g_free(fld); |
423 | } |
424 | |
425 | /***************************************************************************** |
426 | *Function name |
427 | * ltt_facility_name : obtain the facility's name |
428 | *Input params |
429 | * f : the facility that will be closed |
430 | *Return value |
431 | * char * : the facility's name |
432 | ****************************************************************************/ |
433 | |
963b5f2d |
434 | char *ltt_facility_name(LttFacility *f) |
6cd62ccf |
435 | { |
436 | return f->name; |
437 | } |
438 | |
439 | /***************************************************************************** |
440 | *Function name |
441 | * ltt_facility_checksum : obtain the facility's checksum |
442 | *Input params |
443 | * f : the facility that will be closed |
444 | *Return value |
963b5f2d |
445 | * LttChecksum : the checksum of the facility |
6cd62ccf |
446 | ****************************************************************************/ |
447 | |
963b5f2d |
448 | LttChecksum ltt_facility_checksum(LttFacility *f) |
6cd62ccf |
449 | { |
450 | return f->checksum; |
451 | } |
452 | |
963b5f2d |
453 | /***************************************************************************** |
454 | *Function name |
455 | * ltt_facility_base_id : obtain the facility base id |
456 | *Input params |
457 | * f : the facility |
458 | *Return value |
459 | * : the base id of the facility |
460 | ****************************************************************************/ |
461 | |
462 | unsigned ltt_facility_base_id(LttFacility *f) |
463 | { |
464 | return f->base_id; |
465 | } |
466 | |
6cd62ccf |
467 | /***************************************************************************** |
468 | *Function name |
469 | * ltt_facility_eventtype_number: obtain the number of the event types |
470 | *Input params |
471 | * f : the facility that will be closed |
472 | *Return value |
473 | * unsigned : the number of the event types |
474 | ****************************************************************************/ |
475 | |
963b5f2d |
476 | unsigned ltt_facility_eventtype_number(LttFacility *f) |
6cd62ccf |
477 | { |
478 | return (unsigned)(f->event_number); |
479 | } |
480 | |
481 | /***************************************************************************** |
482 | *Function name |
483 | * ltt_facility_eventtype_get: obtain the event type according to event id |
484 | * from 0 to event_number - 1 |
485 | *Input params |
486 | * f : the facility that will be closed |
487 | *Return value |
963b5f2d |
488 | * LttEventType * : the event type required |
6cd62ccf |
489 | ****************************************************************************/ |
490 | |
963b5f2d |
491 | LttEventType *ltt_facility_eventtype_get(LttFacility *f, unsigned i) |
6cd62ccf |
492 | { |
493 | return f->events[i]; |
494 | } |
495 | |
496 | /***************************************************************************** |
497 | *Function name |
498 | * ltt_facility_eventtype_get_by_name |
499 | * : obtain the event type according to event name |
500 | * event name is unique in the facility |
501 | *Input params |
502 | * f : the facility that will be closed |
503 | * name : the name of the event |
504 | *Return value |
963b5f2d |
505 | * LttEventType * : the event type required |
6cd62ccf |
506 | ****************************************************************************/ |
507 | |
963b5f2d |
508 | LttEventType *ltt_facility_eventtype_get_by_name(LttFacility *f, char *name) |
6cd62ccf |
509 | { |
510 | int i; |
963b5f2d |
511 | LttEventType * ev; |
6cd62ccf |
512 | for(i=0;i<f->event_number;i++){ |
513 | ev = f->events[i]; |
514 | if(strcmp(ev->name, name) == 0)break; |
515 | } |
516 | |
517 | if(i==f->event_number) return NULL; |
518 | else return ev; |
519 | } |
520 | |