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50e24903 DS |
1 | /* CSV |
2 | * Copyright (C) 2013 Cumulus Networks, Inc. | |
3 | * | |
4 | * This file is part of Quagga. | |
5 | * | |
6 | * Quagga is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2, or (at your option) any | |
9 | * later version. | |
10 | * | |
11 | * Quagga is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
896014f4 DL |
16 | * You should have received a copy of the GNU General Public License along |
17 | * with this program; see the file COPYING; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
50e24903 | 19 | */ |
c43ed2e4 DS |
20 | #include <stdio.h> |
21 | #include <stdlib.h> | |
22 | #include <string.h> | |
23 | #include <stdarg.h> | |
24 | #include <assert.h> | |
25 | #include <sys/queue.h> | |
26 | #include <fcntl.h> | |
27 | #include <unistd.h> | |
28 | #include "csv.h" | |
29 | ||
30 | #define DEBUG_E 1 | |
31 | #define DEBUG_V 1 | |
32 | ||
d62a17ae | 33 | #define log_error(fmt, ...) \ |
34 | do { \ | |
35 | if (DEBUG_E) \ | |
36 | fprintf(stderr, "%s:%d:%s(): " fmt, __FILE__, \ | |
37 | __LINE__, __func__, ##__VA_ARGS__); \ | |
38 | } while (0) | |
39 | ||
40 | #define log_verbose(fmt, ...) \ | |
41 | do { \ | |
42 | if (DEBUG_V) \ | |
43 | fprintf(stderr, "%s:%d:%s(): " fmt, __FILE__, \ | |
44 | __LINE__, __func__, __VA_ARGS__); \ | |
45 | } while (0) | |
c43ed2e4 DS |
46 | |
47 | struct _csv_field_t_ { | |
d62a17ae | 48 | TAILQ_ENTRY(_csv_field_t_) next_field; |
49 | char *field; | |
50 | int field_len; | |
c43ed2e4 DS |
51 | }; |
52 | ||
53 | struct _csv_record_t_ { | |
d62a17ae | 54 | TAILQ_HEAD(, _csv_field_t_) fields; |
55 | TAILQ_ENTRY(_csv_record_t_) next_record; | |
56 | char *record; | |
57 | int rec_len; | |
c43ed2e4 DS |
58 | }; |
59 | ||
60 | struct _csv_t_ { | |
d62a17ae | 61 | TAILQ_HEAD(, _csv_record_t_) records; |
62 | char *buf; | |
63 | int buflen; | |
64 | int csv_len; | |
65 | int pointer; | |
66 | int num_recs; | |
c43ed2e4 DS |
67 | }; |
68 | ||
69 | ||
d62a17ae | 70 | int csvlen(csv_t *csv) |
c43ed2e4 | 71 | { |
d62a17ae | 72 | return (csv->csv_len); |
c43ed2e4 DS |
73 | } |
74 | ||
d62a17ae | 75 | csv_t *csv_init(csv_t *csv, char *buf, int buflen) |
c43ed2e4 | 76 | { |
d62a17ae | 77 | if (csv == NULL) { |
78 | csv = malloc(sizeof(csv_t)); | |
79 | if (csv == NULL) { | |
80 | log_error("CSV Malloc failed\n"); | |
81 | return (NULL); | |
82 | } | |
83 | } | |
84 | memset(csv, 0, sizeof(csv_t)); | |
85 | ||
86 | csv->buf = buf; | |
87 | csv->buflen = buflen; | |
88 | TAILQ_INIT(&(csv->records)); | |
89 | return (csv); | |
c43ed2e4 DS |
90 | } |
91 | ||
d62a17ae | 92 | void csv_clean(csv_t *csv) |
c43ed2e4 | 93 | { |
d62a17ae | 94 | csv_record_t *rec; |
95 | csv_record_t *rec_n; | |
96 | ||
97 | rec = TAILQ_FIRST(&(csv->records)); | |
98 | while (rec != NULL) { | |
99 | rec_n = TAILQ_NEXT(rec, next_record); | |
100 | csv_remove_record(csv, rec); | |
101 | rec = rec_n; | |
102 | } | |
c43ed2e4 DS |
103 | } |
104 | ||
d62a17ae | 105 | void csv_free(csv_t *csv) |
c43ed2e4 | 106 | { |
d62a17ae | 107 | if (csv != NULL) { |
108 | free(csv); | |
109 | } | |
c43ed2e4 DS |
110 | } |
111 | ||
d62a17ae | 112 | static void csv_init_record(csv_record_t *record) |
c43ed2e4 | 113 | { |
d62a17ae | 114 | TAILQ_INIT(&(record->fields)); |
115 | record->rec_len = 0; | |
c43ed2e4 DS |
116 | } |
117 | ||
d62a17ae | 118 | csv_record_t *csv_record_iter(csv_t *csv) |
c43ed2e4 | 119 | { |
d62a17ae | 120 | return (TAILQ_FIRST(&(csv->records))); |
c43ed2e4 DS |
121 | } |
122 | ||
d62a17ae | 123 | csv_record_t *csv_record_iter_next(csv_record_t *rec) |
c43ed2e4 | 124 | { |
d62a17ae | 125 | if (!rec) |
126 | return NULL; | |
127 | return (TAILQ_NEXT(rec, next_record)); | |
c43ed2e4 DS |
128 | } |
129 | ||
d62a17ae | 130 | char *csv_field_iter(csv_record_t *rec, csv_field_t **fld) |
c43ed2e4 | 131 | { |
d62a17ae | 132 | if (!rec) |
133 | return NULL; | |
134 | *fld = TAILQ_FIRST(&(rec->fields)); | |
135 | return ((*fld)->field); | |
c43ed2e4 DS |
136 | } |
137 | ||
d62a17ae | 138 | char *csv_field_iter_next(csv_field_t **fld) |
c43ed2e4 | 139 | { |
d62a17ae | 140 | *fld = TAILQ_NEXT(*fld, next_field); |
141 | if ((*fld) == NULL) { | |
142 | return (NULL); | |
143 | } | |
144 | return ((*fld)->field); | |
c43ed2e4 DS |
145 | } |
146 | ||
d62a17ae | 147 | int csv_field_len(csv_field_t *fld) |
c43ed2e4 | 148 | { |
d62a17ae | 149 | if (fld) { |
150 | return fld->field_len; | |
151 | } | |
152 | return 0; | |
c43ed2e4 DS |
153 | } |
154 | ||
d62a17ae | 155 | static void csv_decode_record(csv_record_t *rec) |
c43ed2e4 | 156 | { |
d62a17ae | 157 | char *curr = rec->record; |
158 | char *field; | |
159 | csv_field_t *fld; | |
160 | ||
161 | field = strpbrk(curr, ","); | |
162 | while (field != NULL) { | |
163 | fld = malloc(sizeof(csv_field_t)); | |
164 | if (fld) { | |
165 | TAILQ_INSERT_TAIL(&(rec->fields), fld, next_field); | |
166 | fld->field = curr; | |
167 | fld->field_len = field - curr; | |
168 | } | |
169 | curr = field + 1; | |
170 | field = strpbrk(curr, ","); | |
171 | } | |
172 | field = strstr(curr, "\n"); | |
173 | if (!field) | |
174 | return; | |
175 | ||
176 | fld = malloc(sizeof(csv_field_t)); | |
177 | if (fld) { | |
178 | fld->field = curr; | |
179 | fld->field_len = field - curr; | |
180 | TAILQ_INSERT_TAIL(&(rec->fields), fld, next_field); | |
181 | } | |
c43ed2e4 DS |
182 | } |
183 | ||
d62a17ae | 184 | static csv_field_t *csv_add_field_to_record(csv_t *csv, csv_record_t *rec, |
185 | char *col) | |
c43ed2e4 | 186 | { |
d62a17ae | 187 | csv_field_t *fld; |
188 | char *str = rec->record; | |
189 | int rlen = rec->rec_len; | |
190 | int blen = csv->buflen; | |
191 | ||
192 | fld = malloc(sizeof(csv_field_t)); | |
193 | if (!fld) { | |
194 | log_error("field malloc failed\n"); | |
195 | /* more cleanup needed */ | |
196 | return (NULL); | |
197 | } | |
198 | TAILQ_INSERT_TAIL(&(rec->fields), fld, next_field); | |
199 | fld->field = str + rlen; | |
200 | fld->field_len = snprintf((str + rlen), (blen - rlen), "%s", col); | |
201 | rlen += fld->field_len; | |
202 | rec->rec_len = rlen; | |
203 | return fld; | |
c43ed2e4 DS |
204 | } |
205 | ||
d62a17ae | 206 | csv_record_t *csv_encode(csv_t *csv, int count, ...) |
c43ed2e4 | 207 | { |
d62a17ae | 208 | int tempc; |
209 | va_list list; | |
210 | char *buf = csv->buf; | |
211 | int len = csv->buflen; | |
212 | int pointer = csv->pointer; | |
213 | char *str = NULL; | |
214 | char *col; | |
215 | csv_record_t *rec; | |
216 | csv_field_t *fld; | |
217 | ||
218 | if (buf) { | |
219 | str = buf + pointer; | |
220 | } else { | |
221 | /* allocate sufficient buffer */ | |
222 | str = (char *)malloc(csv->buflen); | |
223 | if (!str) { | |
224 | log_error("field str malloc failed\n"); | |
225 | return (NULL); | |
226 | } | |
227 | } | |
228 | ||
229 | va_start(list, count); | |
230 | rec = malloc(sizeof(csv_record_t)); | |
231 | if (!rec) { | |
232 | log_error("record malloc failed\n"); | |
233 | if (!buf) | |
234 | free(str); | |
235 | va_end(list); | |
236 | return (NULL); | |
237 | } | |
238 | csv_init_record(rec); | |
239 | rec->record = str; | |
240 | TAILQ_INSERT_TAIL(&(csv->records), rec, next_record); | |
241 | csv->num_recs++; | |
242 | ||
243 | /** | |
244 | * Iterate through the fields passed as a variable list and add them | |
245 | */ | |
246 | for (tempc = 0; tempc < count; tempc++) { | |
247 | col = va_arg(list, char *); | |
248 | fld = csv_add_field_to_record(csv, rec, col); | |
249 | if (!fld) { | |
250 | log_error("fld malloc failed\n"); | |
251 | csv_remove_record(csv, rec); | |
252 | va_end(list); | |
253 | return (NULL); | |
254 | } | |
255 | if (tempc < (count - 1)) { | |
256 | rec->rec_len += snprintf((str + rec->rec_len), | |
257 | (len - rec->rec_len), ","); | |
258 | } | |
259 | } | |
260 | rec->rec_len += | |
261 | snprintf((str + rec->rec_len), (len - rec->rec_len), "\n"); | |
262 | va_end(list); | |
263 | csv->csv_len += rec->rec_len; | |
264 | csv->pointer += rec->rec_len; | |
265 | return (rec); | |
c43ed2e4 DS |
266 | } |
267 | ||
d62a17ae | 268 | int csv_num_records(csv_t *csv) |
c43ed2e4 | 269 | { |
d62a17ae | 270 | if (csv) { |
271 | return csv->num_recs; | |
272 | } | |
273 | return 0; | |
c43ed2e4 DS |
274 | } |
275 | ||
d62a17ae | 276 | csv_record_t *csv_encode_record(csv_t *csv, csv_record_t *rec, int count, ...) |
c43ed2e4 | 277 | { |
d62a17ae | 278 | int tempc; |
279 | va_list list; | |
280 | char *str; | |
281 | char *col; | |
282 | csv_field_t *fld = NULL; | |
283 | int i; | |
284 | ||
285 | va_start(list, count); | |
286 | str = csv_field_iter(rec, &fld); | |
287 | for (tempc = 0; tempc < count; tempc++) { | |
288 | col = va_arg(list, char *); | |
289 | for (i = 0; i < fld->field_len; i++) { | |
290 | str[i] = col[i]; | |
291 | } | |
292 | str = csv_field_iter_next(&fld); | |
293 | } | |
294 | va_end(list); | |
295 | return (rec); | |
c43ed2e4 DS |
296 | } |
297 | ||
d62a17ae | 298 | csv_record_t *csv_append_record(csv_t *csv, csv_record_t *rec, int count, ...) |
c43ed2e4 | 299 | { |
d62a17ae | 300 | int tempc; |
301 | va_list list; | |
302 | int len = csv->buflen, tlen; | |
303 | char *str; | |
304 | csv_field_t *fld; | |
305 | char *col; | |
306 | ||
307 | if (csv->buf) { | |
308 | /* not only works with discrete bufs */ | |
309 | return NULL; | |
310 | } | |
311 | ||
312 | if (!rec) { | |
313 | /* create a new rec */ | |
314 | rec = calloc(1, sizeof(csv_record_t)); | |
315 | if (!rec) { | |
316 | log_error("record malloc failed\n"); | |
317 | return NULL; | |
318 | } | |
319 | csv_init_record(rec); | |
320 | rec->record = calloc(1, csv->buflen); | |
321 | if (!rec->record) { | |
322 | log_error("field str malloc failed\n"); | |
323 | free(rec); | |
324 | return NULL; | |
325 | } | |
326 | csv_insert_record(csv, rec); | |
327 | } | |
328 | ||
329 | str = rec->record; | |
330 | ||
331 | va_start(list, count); | |
332 | ||
333 | if (rec->rec_len && (str[rec->rec_len - 1] == '\n')) | |
334 | str[rec->rec_len - 1] = ','; | |
335 | ||
336 | /** | |
337 | * Iterate through the fields passed as a variable list and add them | |
338 | */ | |
339 | tlen = rec->rec_len; | |
340 | for (tempc = 0; tempc < count; tempc++) { | |
341 | col = va_arg(list, char *); | |
342 | fld = csv_add_field_to_record(csv, rec, col); | |
343 | if (!fld) { | |
344 | log_error("fld malloc failed\n"); | |
345 | break; | |
346 | } | |
347 | if (tempc < (count - 1)) { | |
348 | rec->rec_len += snprintf((str + rec->rec_len), | |
349 | (len - rec->rec_len), ","); | |
350 | } | |
351 | } | |
352 | rec->rec_len += | |
353 | snprintf((str + rec->rec_len), (len - rec->rec_len), "\n"); | |
354 | va_end(list); | |
355 | csv->csv_len += (rec->rec_len - tlen); | |
356 | csv->pointer += (rec->rec_len - tlen); | |
357 | return (rec); | |
c43ed2e4 DS |
358 | } |
359 | ||
d62a17ae | 360 | int csv_serialize(csv_t *csv, char *msgbuf, int msglen) |
c43ed2e4 | 361 | { |
d62a17ae | 362 | csv_record_t *rec; |
363 | int offset = 0; | |
c43ed2e4 | 364 | |
d62a17ae | 365 | if (!csv || !msgbuf) |
366 | return -1; | |
c43ed2e4 | 367 | |
d62a17ae | 368 | rec = csv_record_iter(csv); |
369 | while (rec != NULL) { | |
370 | if ((offset + rec->rec_len) >= msglen) | |
371 | return -1; | |
372 | offset += sprintf(&msgbuf[offset], "%s", rec->record); | |
373 | rec = csv_record_iter_next(rec); | |
374 | } | |
c43ed2e4 | 375 | |
d62a17ae | 376 | return 0; |
c43ed2e4 DS |
377 | } |
378 | ||
d62a17ae | 379 | void csv_clone_record(csv_t *csv, csv_record_t *in_rec, csv_record_t **out_rec) |
c43ed2e4 | 380 | { |
d62a17ae | 381 | char *curr; |
382 | csv_record_t *rec; | |
383 | ||
384 | /* first check if rec belongs to this csv */ | |
385 | if (!csv_is_record_valid(csv, in_rec)) { | |
386 | log_error("rec not in this csv\n"); | |
387 | return; | |
388 | } | |
389 | ||
390 | /* only works with csv with discrete bufs */ | |
391 | if (csv->buf) { | |
392 | log_error( | |
393 | "un-supported for this csv type - single buf detected\n"); | |
394 | return; | |
395 | } | |
396 | ||
397 | /* create a new rec */ | |
398 | rec = calloc(1, sizeof(csv_record_t)); | |
399 | if (!rec) { | |
400 | log_error("record malloc failed\n"); | |
401 | return; | |
402 | } | |
403 | csv_init_record(rec); | |
404 | curr = calloc(1, csv->buflen); | |
405 | if (!curr) { | |
406 | log_error("field str malloc failed\n"); | |
407 | free(rec); | |
408 | return; | |
409 | } | |
410 | rec->record = curr; | |
411 | rec->rec_len = in_rec->rec_len; | |
412 | strcpy(rec->record, in_rec->record); | |
413 | ||
414 | /* decode record into fields */ | |
415 | csv_decode_record(rec); | |
416 | ||
417 | *out_rec = rec; | |
c43ed2e4 DS |
418 | } |
419 | ||
d62a17ae | 420 | void csv_remove_record(csv_t *csv, csv_record_t *rec) |
c43ed2e4 | 421 | { |
d62a17ae | 422 | csv_field_t *fld, *p_fld; |
423 | ||
424 | /* first check if rec belongs to this csv */ | |
425 | if (!csv_is_record_valid(csv, rec)) { | |
426 | log_error("rec not in this csv\n"); | |
427 | return; | |
428 | } | |
429 | ||
430 | /* remove fields */ | |
431 | csv_field_iter(rec, &fld); | |
432 | while (fld) { | |
433 | p_fld = fld; | |
434 | csv_field_iter_next(&fld); | |
435 | TAILQ_REMOVE(&(rec->fields), p_fld, next_field); | |
436 | free(p_fld); | |
437 | } | |
438 | ||
439 | TAILQ_REMOVE(&(csv->records), rec, next_record); | |
440 | ||
441 | csv->num_recs--; | |
442 | csv->csv_len -= rec->rec_len; | |
443 | csv->pointer -= rec->rec_len; | |
444 | if (!csv->buf) | |
445 | free(rec->record); | |
446 | free(rec); | |
c43ed2e4 DS |
447 | } |
448 | ||
d62a17ae | 449 | void csv_insert_record(csv_t *csv, csv_record_t *rec) |
c43ed2e4 | 450 | { |
d62a17ae | 451 | /* first check if rec already in csv */ |
452 | if (csv_is_record_valid(csv, rec)) { | |
453 | log_error("rec already in this csv\n"); | |
454 | return; | |
455 | } | |
456 | ||
457 | /* we can only insert records if no buf was supplied during csv init */ | |
458 | if (csv->buf) { | |
459 | log_error( | |
460 | "un-supported for this csv type - single buf detected\n"); | |
461 | return; | |
462 | } | |
463 | ||
464 | /* do we go beyond the max buf set for this csv ?*/ | |
465 | if ((csv->csv_len + rec->rec_len) > csv->buflen) { | |
466 | log_error("cannot insert - exceeded buf size\n"); | |
467 | return; | |
468 | } | |
469 | ||
470 | TAILQ_INSERT_TAIL(&(csv->records), rec, next_record); | |
471 | csv->num_recs++; | |
472 | csv->csv_len += rec->rec_len; | |
473 | csv->pointer += rec->rec_len; | |
c43ed2e4 DS |
474 | } |
475 | ||
d62a17ae | 476 | csv_record_t *csv_concat_record(csv_t *csv, csv_record_t *rec1, |
477 | csv_record_t *rec2) | |
c43ed2e4 | 478 | { |
d62a17ae | 479 | char *curr; |
480 | char *ret; | |
481 | csv_record_t *rec; | |
482 | ||
483 | /* first check if rec1 and rec2 belong to this csv */ | |
484 | if (!csv_is_record_valid(csv, rec1) | |
485 | || !csv_is_record_valid(csv, rec2)) { | |
486 | log_error("rec1 and/or rec2 invalid\n"); | |
487 | return (NULL); | |
488 | } | |
489 | ||
490 | /* we can only concat records if no buf was supplied during csv init */ | |
491 | if (csv->buf) { | |
492 | log_error( | |
493 | "un-supported for this csv type - single buf detected\n"); | |
494 | return (NULL); | |
495 | } | |
496 | ||
497 | /* create a new rec */ | |
498 | rec = calloc(1, sizeof(csv_record_t)); | |
499 | if (!rec) { | |
500 | log_error("record malloc failed\n"); | |
501 | return (NULL); | |
502 | } | |
503 | csv_init_record(rec); | |
504 | ||
505 | curr = (char *)calloc(1, csv->buflen); | |
506 | if (!curr) { | |
507 | log_error("field str malloc failed\n"); | |
508 | goto out_rec; | |
509 | } | |
510 | rec->record = curr; | |
511 | ||
512 | /* concat the record string */ | |
513 | ret = strstr(rec1->record, "\n"); | |
514 | if (!ret) { | |
515 | log_error("rec1 str not properly formatted\n"); | |
516 | goto out_curr; | |
517 | } | |
518 | ||
519 | snprintf(curr, (int)(ret - rec1->record + 1), "%s", rec1->record); | |
520 | strcat(curr, ","); | |
521 | ||
522 | ret = strstr(rec2->record, "\n"); | |
523 | if (!ret) { | |
524 | log_error("rec2 str not properly formatted\n"); | |
525 | goto out_curr; | |
526 | } | |
527 | ||
528 | snprintf((curr + strlen(curr)), (int)(ret - rec2->record + 1), "%s", | |
529 | rec2->record); | |
530 | strcat(curr, "\n"); | |
531 | rec->rec_len = strlen(curr); | |
532 | ||
533 | /* paranoia */ | |
534 | assert(csv->buflen | |
535 | > (csv->csv_len - rec1->rec_len - rec2->rec_len + rec->rec_len)); | |
536 | ||
537 | /* decode record into fields */ | |
538 | csv_decode_record(rec); | |
539 | ||
540 | /* now remove rec1 and rec2 and insert rec into this csv */ | |
541 | csv_remove_record(csv, rec1); | |
542 | csv_remove_record(csv, rec2); | |
543 | csv_insert_record(csv, rec); | |
544 | ||
545 | return rec; | |
8ac88545 DL |
546 | |
547 | out_curr: | |
d62a17ae | 548 | free(curr); |
8ac88545 | 549 | out_rec: |
d62a17ae | 550 | free(rec); |
551 | return NULL; | |
c43ed2e4 DS |
552 | } |
553 | ||
d62a17ae | 554 | void csv_decode(csv_t *csv, char *inbuf) |
c43ed2e4 | 555 | { |
d62a17ae | 556 | char *buf; |
557 | char *pos; | |
558 | csv_record_t *rec; | |
559 | ||
560 | buf = (inbuf) ? inbuf : csv->buf; | |
561 | pos = strpbrk(buf, "\n"); | |
562 | while (pos != NULL) { | |
563 | rec = calloc(1, sizeof(csv_record_t)); | |
564 | if (!rec) | |
565 | return; | |
566 | csv_init_record(rec); | |
567 | TAILQ_INSERT_TAIL(&(csv->records), rec, next_record); | |
568 | csv->num_recs++; | |
569 | if (csv->buf) | |
570 | rec->record = buf; | |
571 | else { | |
572 | rec->record = calloc(1, csv->buflen); | |
573 | if (!rec->record) { | |
574 | log_error("field str malloc failed\n"); | |
575 | return; | |
576 | } | |
577 | strncpy(rec->record, buf, pos - buf + 1); | |
578 | } | |
579 | rec->rec_len = pos - buf + 1; | |
580 | /* decode record into fields */ | |
581 | csv_decode_record(rec); | |
582 | buf = pos + 1; | |
583 | pos = strpbrk(buf, "\n"); | |
584 | } | |
c43ed2e4 DS |
585 | } |
586 | ||
d62a17ae | 587 | int csv_is_record_valid(csv_t *csv, csv_record_t *in_rec) |
c43ed2e4 | 588 | { |
d62a17ae | 589 | csv_record_t *rec; |
590 | int valid = 0; | |
591 | ||
592 | rec = csv_record_iter(csv); | |
593 | while (rec) { | |
594 | if (rec == in_rec) { | |
595 | valid = 1; | |
596 | break; | |
597 | } | |
598 | rec = csv_record_iter_next(rec); | |
599 | } | |
600 | ||
601 | return valid; | |
c43ed2e4 DS |
602 | } |
603 | ||
d62a17ae | 604 | void csv_dump(csv_t *csv) |
c43ed2e4 | 605 | { |
d62a17ae | 606 | csv_record_t *rec; |
607 | csv_field_t *fld; | |
608 | char *str; | |
609 | ||
610 | rec = csv_record_iter(csv); | |
611 | while (rec != NULL) { | |
612 | str = csv_field_iter(rec, &fld); | |
613 | while (str != NULL) { | |
614 | fprintf(stderr, "%s\n", str); | |
615 | str = csv_field_iter_next(&fld); | |
616 | } | |
617 | rec = csv_record_iter_next(rec); | |
618 | } | |
c43ed2e4 DS |
619 | } |
620 | ||
621 | #ifdef TEST_CSV | |
622 | ||
d62a17ae | 623 | static int get_memory_usage(pid_t pid) |
c43ed2e4 | 624 | { |
d62a17ae | 625 | int fd, data, stack; |
626 | char buf[4096], status_child[BUFSIZ]; | |
627 | char *vm; | |
628 | ||
629 | sprintf(status_child, "/proc/%d/status", pid); | |
630 | if ((fd = open(status_child, O_RDONLY)) < 0) | |
631 | return -1; | |
632 | ||
633 | read(fd, buf, 4095); | |
634 | buf[4095] = '\0'; | |
635 | close(fd); | |
636 | ||
637 | data = stack = 0; | |
638 | ||
639 | vm = strstr(buf, "VmData:"); | |
640 | if (vm) { | |
641 | sscanf(vm, "%*s %d", &data); | |
642 | } | |
643 | vm = strstr(buf, "VmStk:"); | |
644 | if (vm) { | |
645 | sscanf(vm, "%*s %d", &stack); | |
646 | } | |
647 | ||
648 | return data + stack; | |
c43ed2e4 DS |
649 | } |
650 | ||
d62a17ae | 651 | int main() |
c43ed2e4 | 652 | { |
d62a17ae | 653 | char buf[10000]; |
654 | csv_t csv; | |
655 | int p; | |
656 | int i, j; | |
657 | csv_record_t *rec; | |
658 | csv_field_t *fld; | |
659 | char *str; | |
660 | char hdr1[32], hdr2[32]; | |
661 | ||
662 | log_verbose("Mem: %ld\n", get_memory_usage(getpid())); | |
663 | csv_init(&csv, buf, 256); | |
664 | sprintf(hdr1, "%4u", 0); | |
665 | sprintf(hdr2, "%4u", 1); | |
666 | log_verbose("(%d/%d/%d/%d)\n", strlen(hdr1), strlen(hdr2), atoi(hdr1), | |
667 | atoi(hdr2)); | |
668 | rec = csv_encode(&csv, 2, hdr1, hdr2); | |
669 | csv_encode(&csv, 4, "name", "age", "sex", "hei"); | |
670 | csv_encode(&csv, 3, NULL, "0", NULL); | |
671 | csv_encode(&csv, 2, "p", "35"); | |
672 | for (i = 0; i < 50; i++) { | |
673 | csv_encode(&csv, 2, "p", "10"); | |
674 | } | |
675 | csv_encode(&csv, 2, "pdfadfadfadsadsaddfdfdsfdsd", "35444554545454545"); | |
676 | log_verbose("%s\n", buf); | |
677 | sprintf(hdr1, "%4u", csv.csv_len); | |
678 | sprintf(hdr2, "%4u", 1); | |
679 | log_verbose("(%d/%d/%d/%d)\n", strlen(hdr1), strlen(hdr2), atoi(hdr1), | |
680 | atoi(hdr2)); | |
681 | rec = csv_encode_record(&csv, rec, 2, hdr1, hdr2); | |
682 | log_verbose("(%d/%d)\n%s\n", rec->rec_len, csv.csv_len, buf); | |
683 | ||
684 | log_verbose("Mem: %ld\n", get_memory_usage(getpid())); | |
685 | csv_clean(&csv); | |
686 | log_verbose("Mem: %ld\n", get_memory_usage(getpid())); | |
687 | csv_init(&csv, buf, 256); | |
688 | csv_decode(&csv, NULL); | |
689 | log_verbose("AFTER DECODE\n"); | |
690 | csv_dump(&csv); | |
691 | csv_clean(&csv); | |
692 | log_verbose("Mem: %ld\n", get_memory_usage(getpid())); | |
c43ed2e4 DS |
693 | } |
694 | #endif |