6cd62ccf |
1 | #include <stdlib.h> |
2 | #include <string.h> |
3 | #include <stdio.h> |
4 | |
fcdf0ec2 |
5 | #include <ltt/LTTTypes.h> |
6cd62ccf |
6 | #include "parser.h" |
7 | #include <ltt/facility.h> |
8 | |
9 | /* search for the (named) type in the table, if it does not exist |
10 | create a new one */ |
963b5f2d |
11 | LttType * lookup_named_type(LttFacility *fac, type_descriptor * td); |
6cd62ccf |
12 | |
13 | /* construct directed acyclic graph for types, and tree for fields */ |
963b5f2d |
14 | void constructTypeAndFields(LttFacility * fac,type_descriptor * td, |
15 | LttField * fld); |
6cd62ccf |
16 | |
17 | /* generate the facility according to the events belongin to it */ |
963b5f2d |
18 | void generateFacility(LttFacility * f, facility * fac, |
19 | LttChecksum checksum); |
6cd62ccf |
20 | |
21 | /* functions to release the memory occupied by a facility */ |
963b5f2d |
22 | void freeFacility(LttFacility * facility); |
23 | void freeEventtype(LttEventType * evType); |
1417d990 |
24 | void freeLttType(LttType ** type); |
963b5f2d |
25 | void freeLttField(LttField * fld); |
908f42fa |
26 | void freeLttNamedType(LttType * type); |
6cd62ccf |
27 | |
28 | |
29 | /***************************************************************************** |
30 | *Function name |
963b5f2d |
31 | * ltt_facility_open : open facilities |
6cd62ccf |
32 | *Input params |
963b5f2d |
33 | * t : the trace containing the facilities |
6cd62ccf |
34 | * pathname : the path name of the facility |
6cd62ccf |
35 | ****************************************************************************/ |
36 | |
963b5f2d |
37 | void ltt_facility_open(LttTrace * t, char * pathname) |
6cd62ccf |
38 | { |
39 | char *token; |
40 | parse_file in; |
41 | char buffer[BUFFER_SIZE]; |
963b5f2d |
42 | facility * fac; |
43 | LttFacility * f; |
44 | LttChecksum checksum; |
6cd62ccf |
45 | |
46 | in.buffer = buffer; |
47 | in.lineno = 0; |
48 | in.error = error_callback; |
963b5f2d |
49 | in.name = pathname; |
6cd62ccf |
50 | |
51 | in.fp = fopen(in.name, "r"); |
963b5f2d |
52 | if(!in.fp ) in.error(&in,"cannot open input file"); |
53 | |
6cd62ccf |
54 | while(1){ |
55 | token = getToken(&in); |
56 | if(in.type == ENDFILE) break; |
57 | |
963b5f2d |
58 | if(strcmp(token, "<")) in.error(&in,"not a facility file"); |
59 | token = getName(&in); |
60 | |
61 | if(strcmp("facility",token) == 0) { |
62 | fac = g_new(facility, 1); |
63 | fac->name = NULL; |
64 | fac->description = NULL; |
65 | sequence_init(&(fac->events)); |
66 | table_init(&(fac->named_types)); |
67 | sequence_init(&(fac->unnamed_types)); |
68 | |
69 | parseFacility(&in, fac); |
70 | |
71 | //check if any namedType is not defined |
72 | checkNamedTypesImplemented(&fac->named_types); |
73 | |
74 | generateChecksum(fac->name, &checksum, &fac->events); |
75 | |
76 | f = g_new(LttFacility,1); |
fe974fde |
77 | f->base_id = 0; |
963b5f2d |
78 | generateFacility(f, fac, checksum); |
79 | |
80 | t->facility_number++; |
81 | g_ptr_array_add(t->facilities,f); |
82 | |
83 | free(fac->name); |
84 | free(fac->description); |
85 | freeEvents(&fac->events); |
86 | sequence_dispose(&fac->events); |
87 | freeNamedType(&fac->named_types); |
88 | table_dispose(&fac->named_types); |
89 | freeTypes(&fac->unnamed_types); |
90 | sequence_dispose(&fac->unnamed_types); |
cf1307af |
91 | g_free(fac); |
6cd62ccf |
92 | } |
963b5f2d |
93 | else in.error(&in,"facility token was expected"); |
6cd62ccf |
94 | } |
6cd62ccf |
95 | fclose(in.fp); |
6cd62ccf |
96 | } |
97 | |
98 | |
99 | /***************************************************************************** |
100 | *Function name |
101 | * generateFacility : generate facility, internal function |
102 | *Input params |
963b5f2d |
103 | * facility : LttFacilty structure |
104 | * fac : facility structure |
6cd62ccf |
105 | * checksum : checksum of the facility |
6cd62ccf |
106 | ****************************************************************************/ |
107 | |
963b5f2d |
108 | void generateFacility(LttFacility *f, facility *fac,LttChecksum checksum) |
6cd62ccf |
109 | { |
963b5f2d |
110 | char * facilityName = fac->name; |
111 | sequence * events = &fac->events; |
6cd62ccf |
112 | int i; |
963b5f2d |
113 | LttEventType * evType; |
114 | LttField * field; |
115 | LttType * type; |
6cd62ccf |
116 | |
963b5f2d |
117 | f->name = g_strdup(facilityName); |
118 | f->event_number = events->position; |
119 | f->checksum = checksum; |
6cd62ccf |
120 | |
121 | //initialize inner structures |
963b5f2d |
122 | f->events = g_new(LttEventType*,f->event_number); |
1417d990 |
123 | f->named_types_number = fac->named_types.keys.position; |
124 | f->named_types = g_new(LttType*, fac->named_types.keys.position); |
125 | for(i=0;i<fac->named_types.keys.position;i++) f->named_types[i] = NULL; |
6cd62ccf |
126 | |
127 | //for each event, construct field tree and type graph |
128 | for(i=0;i<events->position;i++){ |
963b5f2d |
129 | evType = g_new(LttEventType,1); |
130 | f->events[i] = evType; |
6cd62ccf |
131 | |
132 | evType->name = g_strdup(((event*)(events->array[i]))->name); |
133 | evType->description=g_strdup(((event*)(events->array[i]))->description); |
134 | |
963b5f2d |
135 | field = g_new(LttField, 1); |
6cd62ccf |
136 | evType->root_field = field; |
963b5f2d |
137 | evType->facility = f; |
6cd62ccf |
138 | evType->index = i; |
139 | |
8710c6c7 |
140 | if(((event*)(events->array[i]))->type != NULL){ |
141 | field->field_pos = 0; |
142 | type = lookup_named_type(f,((event*)(events->array[i]))->type); |
143 | field->field_type = type; |
144 | field->offset_root = 0; |
145 | field->fixed_root = 1; |
146 | field->offset_parent = 0; |
147 | field->fixed_parent = 1; |
148 | // field->base_address = NULL; |
149 | field->field_size = 0; |
150 | field->field_fixed = -1; |
151 | field->parent = NULL; |
152 | field->child = NULL; |
153 | field->current_element = 0; |
72a508f8 |
154 | |
8710c6c7 |
155 | //construct field tree and type graph |
156 | constructTypeAndFields(f,((event*)(events->array[i]))->type,field); |
157 | }else{ |
72a508f8 |
158 | evType->root_field = NULL; |
8710c6c7 |
159 | g_free(field); |
160 | } |
6cd62ccf |
161 | } |
162 | } |
163 | |
164 | |
165 | /***************************************************************************** |
166 | *Function name |
167 | * constructTypeAndFields : construct field tree and type graph, |
168 | * internal recursion function |
169 | *Input params |
170 | * fac : facility struct |
171 | * td : type descriptor |
172 | * root_field : root field of the event |
173 | ****************************************************************************/ |
174 | |
963b5f2d |
175 | void constructTypeAndFields(LttFacility * fac,type_descriptor * td, |
176 | LttField * fld) |
6cd62ccf |
177 | { |
908f42fa |
178 | int i, flag; |
6cd62ccf |
179 | type_descriptor * tmpTd; |
180 | |
181 | // if(td->type == LTT_STRING || td->type == LTT_SEQUENCE) |
182 | // fld->field_size = 0; |
183 | // else fld->field_size = -1; |
184 | |
185 | if(td->type == LTT_ENUM){ |
186 | fld->field_type->element_number = td->labels.position; |
187 | fld->field_type->enum_strings = g_new(char*,td->labels.position); |
188 | for(i=0;i<td->labels.position;i++){ |
189 | fld->field_type->enum_strings[i] |
190 | = g_strdup(((char*)(td->labels.array[i]))); |
191 | } |
192 | }else if(td->type == LTT_ARRAY || td->type == LTT_SEQUENCE){ |
193 | if(td->type == LTT_ARRAY) |
194 | fld->field_type->element_number = (unsigned)td->size; |
963b5f2d |
195 | fld->field_type->element_type = g_new(LttType*,1); |
6cd62ccf |
196 | tmpTd = td->nested_type; |
197 | fld->field_type->element_type[0] = lookup_named_type(fac, tmpTd); |
963b5f2d |
198 | fld->child = g_new(LttField*, 1); |
199 | fld->child[0] = g_new(LttField, 1); |
6cd62ccf |
200 | |
201 | fld->child[0]->field_pos = 0; |
202 | fld->child[0]->field_type = fld->field_type->element_type[0]; |
203 | fld->child[0]->offset_root = fld->offset_root; |
204 | fld->child[0]->fixed_root = fld->fixed_root; |
205 | fld->child[0]->offset_parent = 0; |
206 | fld->child[0]->fixed_parent = 1; |
207 | // fld->child[0]->base_address = NULL; |
208 | fld->child[0]->field_size = 0; |
209 | fld->child[0]->field_fixed = -1; |
210 | fld->child[0]->parent = fld; |
211 | fld->child[0]->child = NULL; |
212 | fld->child[0]->current_element = 0; |
213 | constructTypeAndFields(fac, tmpTd, fld->child[0]); |
214 | }else if(td->type == LTT_STRUCT){ |
215 | fld->field_type->element_number = td->fields.position; |
908f42fa |
216 | |
217 | if(fld->field_type->element_type == NULL){ |
218 | fld->field_type->element_type = g_new(LttType*, td->fields.position); |
219 | flag = 1; |
220 | }else{ |
221 | flag = 0; |
222 | } |
223 | |
963b5f2d |
224 | fld->child = g_new(LttField*, td->fields.position); |
6cd62ccf |
225 | for(i=0;i<td->fields.position;i++){ |
226 | tmpTd = ((field*)(td->fields.array[i]))->type; |
908f42fa |
227 | |
228 | if(flag) |
229 | fld->field_type->element_type[i] = lookup_named_type(fac, tmpTd); |
963b5f2d |
230 | fld->child[i] = g_new(LttField,1); |
6cd62ccf |
231 | |
232 | fld->child[i]->field_pos = i; |
233 | fld->child[i]->field_type = fld->field_type->element_type[i]; |
908f42fa |
234 | |
235 | if(flag){ |
236 | fld->child[i]->field_type->element_name |
237 | = g_strdup(((field*)(td->fields.array[i]))->name); |
238 | } |
239 | |
6cd62ccf |
240 | fld->child[i]->offset_root = -1; |
241 | fld->child[i]->fixed_root = -1; |
242 | fld->child[i]->offset_parent = -1; |
243 | fld->child[i]->fixed_parent = -1; |
244 | // fld->child[i]->base_address = NULL; |
245 | fld->child[i]->field_size = 0; |
246 | fld->child[i]->field_fixed = -1; |
247 | fld->child[i]->parent = fld; |
248 | fld->child[i]->child = NULL; |
249 | fld->child[i]->current_element = 0; |
250 | constructTypeAndFields(fac, tmpTd, fld->child[i]); |
251 | } |
252 | } |
253 | } |
254 | |
255 | |
256 | /***************************************************************************** |
257 | *Function name |
258 | * lookup_named_type: search named type in the table |
259 | * internal function |
260 | *Input params |
261 | * fac : facility struct |
262 | * td : type descriptor |
263 | *Return value |
963b5f2d |
264 | * : either find the named type, or create a new LttType |
6cd62ccf |
265 | ****************************************************************************/ |
266 | |
963b5f2d |
267 | LttType * lookup_named_type(LttFacility *fac, type_descriptor * td) |
6cd62ccf |
268 | { |
963b5f2d |
269 | LttType * lttType = NULL; |
6cd62ccf |
270 | int i; |
271 | char * name; |
272 | if(td->type_name){ |
1417d990 |
273 | for(i=0;i<fac->named_types_number; i++){ |
274 | if(fac->named_types[i] == NULL) break; |
908f42fa |
275 | name = fac->named_types[i]->type_name; |
6cd62ccf |
276 | if(strcmp(name, td->type_name)==0){ |
908f42fa |
277 | lttType = fac->named_types[i]; |
278 | // if(lttType->element_name) g_free(lttType->element_name); |
279 | // lttType->element_name = NULL; |
1417d990 |
280 | break; |
6cd62ccf |
281 | } |
282 | } |
283 | } |
284 | |
285 | if(!lttType){ |
963b5f2d |
286 | lttType = g_new(LttType,1); |
6cd62ccf |
287 | lttType->type_class = td->type; |
288 | if(td->fmt) lttType->fmt = g_strdup(td->fmt); |
289 | else lttType->fmt = NULL; |
290 | lttType->size = td->size; |
291 | lttType->enum_strings = NULL; |
292 | lttType->element_type = NULL; |
293 | lttType->element_number = 0; |
908f42fa |
294 | lttType->element_name = NULL; |
6cd62ccf |
295 | if(td->type_name){ |
908f42fa |
296 | lttType->type_name = g_strdup(td->type_name); |
1417d990 |
297 | fac->named_types[i] = lttType; |
6cd62ccf |
298 | } |
299 | else{ |
908f42fa |
300 | lttType->type_name = NULL; |
6cd62ccf |
301 | } |
302 | } |
303 | |
304 | return lttType; |
305 | } |
306 | |
307 | |
308 | /***************************************************************************** |
309 | *Function name |
310 | * ltt_facility_close : close a facility, decrease its usage count, |
311 | * if usage count = 0, release the memory |
312 | *Input params |
313 | * f : facility that will be closed |
314 | *Return value |
315 | * int : usage count ?? status |
316 | ****************************************************************************/ |
317 | |
963b5f2d |
318 | int ltt_facility_close(LttFacility *f) |
6cd62ccf |
319 | { |
6cd62ccf |
320 | //release the memory it occupied |
321 | freeFacility(f); |
322 | |
323 | return 0; |
324 | } |
325 | |
326 | /***************************************************************************** |
327 | * Functions to release the memory occupied by the facility |
328 | ****************************************************************************/ |
329 | |
963b5f2d |
330 | void freeFacility(LttFacility * fac) |
6cd62ccf |
331 | { |
332 | int i; |
333 | g_free(fac->name); //free facility name |
334 | |
335 | //free event types |
336 | for(i=0;i<fac->event_number;i++){ |
337 | freeEventtype(fac->events[i]); |
338 | } |
963b5f2d |
339 | g_free(fac->events); |
6cd62ccf |
340 | |
341 | //free all named types |
908f42fa |
342 | for(i=0;i<fac->named_types_number;i++){ |
343 | freeLttNamedType(fac->named_types[i]); |
344 | fac->named_types[i] = NULL; |
345 | } |
1417d990 |
346 | g_free(fac->named_types); |
6cd62ccf |
347 | |
348 | //free the facility itself |
349 | g_free(fac); |
350 | } |
351 | |
963b5f2d |
352 | void freeEventtype(LttEventType * evType) |
6cd62ccf |
353 | { |
908f42fa |
354 | LttType * root_type; |
6cd62ccf |
355 | g_free(evType->name); |
356 | if(evType->description) |
357 | g_free(evType->description); |
1417d990 |
358 | if(evType->root_field){ |
908f42fa |
359 | root_type = evType->root_field->field_type; |
1417d990 |
360 | freeLttField(evType->root_field); |
908f42fa |
361 | freeLttType(&root_type); |
1417d990 |
362 | } |
363 | |
6cd62ccf |
364 | g_free(evType); |
365 | } |
366 | |
908f42fa |
367 | void freeLttNamedType(LttType * type) |
368 | { |
369 | int i; |
370 | g_free(type->type_name); |
371 | type->type_name = NULL; |
372 | freeLttType(&type); |
373 | } |
374 | |
1417d990 |
375 | void freeLttType(LttType ** type) |
6cd62ccf |
376 | { |
377 | int i; |
1417d990 |
378 | if(*type == NULL) return; |
908f42fa |
379 | if((*type)->type_name){ |
380 | return; //this is a named type |
381 | } |
1417d990 |
382 | if((*type)->element_name) |
383 | g_free((*type)->element_name); |
384 | if((*type)->fmt) |
385 | g_free((*type)->fmt); |
386 | if((*type)->enum_strings){ |
387 | for(i=0;i<(*type)->element_number;i++) |
388 | g_free((*type)->enum_strings[i]); |
389 | g_free((*type)->enum_strings); |
6cd62ccf |
390 | } |
6cd62ccf |
391 | |
1417d990 |
392 | if((*type)->element_type){ |
908f42fa |
393 | for(i=0;i<(*type)->element_number;i++) |
394 | freeLttType(&((*type)->element_type[i])); |
1417d990 |
395 | g_free((*type)->element_type); |
6cd62ccf |
396 | } |
1417d990 |
397 | g_free(*type); |
398 | *type = NULL; |
6cd62ccf |
399 | } |
400 | |
1417d990 |
401 | void freeLttField(LttField * fld) |
402 | { |
963b5f2d |
403 | int i; |
908f42fa |
404 | int size = 0; |
1417d990 |
405 | |
406 | if(fld->field_type){ |
407 | if(fld->field_type->type_class == LTT_ARRAY || |
408 | fld->field_type->type_class == LTT_SEQUENCE){ |
409 | size = 1; |
410 | }else if(fld->field_type->type_class == LTT_STRUCT){ |
411 | size = fld->field_type->element_number; |
412 | } |
963b5f2d |
413 | } |
6cd62ccf |
414 | |
1417d990 |
415 | if(fld->child){ |
416 | for(i=0; i<size; i++){ |
417 | if(fld->child[i])freeLttField(fld->child[i]); |
418 | } |
6cd62ccf |
419 | g_free(fld->child); |
1417d990 |
420 | } |
6cd62ccf |
421 | g_free(fld); |
422 | } |
423 | |
424 | /***************************************************************************** |
425 | *Function name |
426 | * ltt_facility_name : obtain the facility's name |
427 | *Input params |
428 | * f : the facility that will be closed |
429 | *Return value |
430 | * char * : the facility's name |
431 | ****************************************************************************/ |
432 | |
963b5f2d |
433 | char *ltt_facility_name(LttFacility *f) |
6cd62ccf |
434 | { |
435 | return f->name; |
436 | } |
437 | |
438 | /***************************************************************************** |
439 | *Function name |
440 | * ltt_facility_checksum : obtain the facility's checksum |
441 | *Input params |
442 | * f : the facility that will be closed |
443 | *Return value |
963b5f2d |
444 | * LttChecksum : the checksum of the facility |
6cd62ccf |
445 | ****************************************************************************/ |
446 | |
963b5f2d |
447 | LttChecksum ltt_facility_checksum(LttFacility *f) |
6cd62ccf |
448 | { |
449 | return f->checksum; |
450 | } |
451 | |
963b5f2d |
452 | /***************************************************************************** |
453 | *Function name |
454 | * ltt_facility_base_id : obtain the facility base id |
455 | *Input params |
456 | * f : the facility |
457 | *Return value |
458 | * : the base id of the facility |
459 | ****************************************************************************/ |
460 | |
461 | unsigned ltt_facility_base_id(LttFacility *f) |
462 | { |
463 | return f->base_id; |
464 | } |
465 | |
6cd62ccf |
466 | /***************************************************************************** |
467 | *Function name |
468 | * ltt_facility_eventtype_number: obtain the number of the event types |
469 | *Input params |
470 | * f : the facility that will be closed |
471 | *Return value |
472 | * unsigned : the number of the event types |
473 | ****************************************************************************/ |
474 | |
963b5f2d |
475 | unsigned ltt_facility_eventtype_number(LttFacility *f) |
6cd62ccf |
476 | { |
477 | return (unsigned)(f->event_number); |
478 | } |
479 | |
480 | /***************************************************************************** |
481 | *Function name |
482 | * ltt_facility_eventtype_get: obtain the event type according to event id |
483 | * from 0 to event_number - 1 |
484 | *Input params |
485 | * f : the facility that will be closed |
486 | *Return value |
963b5f2d |
487 | * LttEventType * : the event type required |
6cd62ccf |
488 | ****************************************************************************/ |
489 | |
963b5f2d |
490 | LttEventType *ltt_facility_eventtype_get(LttFacility *f, unsigned i) |
6cd62ccf |
491 | { |
492 | return f->events[i]; |
493 | } |
494 | |
495 | /***************************************************************************** |
496 | *Function name |
497 | * ltt_facility_eventtype_get_by_name |
498 | * : obtain the event type according to event name |
499 | * event name is unique in the facility |
500 | *Input params |
501 | * f : the facility that will be closed |
502 | * name : the name of the event |
503 | *Return value |
963b5f2d |
504 | * LttEventType * : the event type required |
6cd62ccf |
505 | ****************************************************************************/ |
506 | |
963b5f2d |
507 | LttEventType *ltt_facility_eventtype_get_by_name(LttFacility *f, char *name) |
6cd62ccf |
508 | { |
509 | int i; |
963b5f2d |
510 | LttEventType * ev; |
6cd62ccf |
511 | for(i=0;i<f->event_number;i++){ |
512 | ev = f->events[i]; |
513 | if(strcmp(ev->name, name) == 0)break; |
514 | } |
515 | |
516 | if(i==f->event_number) return NULL; |
517 | else return ev; |
518 | } |
519 | |