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acddc0ed | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
50e24903 | 2 | /* CSV |
1120b959 | 3 | * Copyright (C) 2013,2020 Cumulus Networks, Inc. |
50e24903 | 4 | */ |
b45ac5f5 DL |
5 | |
6 | #ifdef HAVE_CONFIG_H | |
7 | #include "config.h" | |
8 | #endif | |
9 | ||
1120b959 QY |
10 | #include <zebra.h> |
11 | ||
c43ed2e4 DS |
12 | #include <stdio.h> |
13 | #include <stdlib.h> | |
14 | #include <string.h> | |
15 | #include <stdarg.h> | |
16 | #include <assert.h> | |
17 | #include <sys/queue.h> | |
18 | #include <fcntl.h> | |
19 | #include <unistd.h> | |
20 | #include "csv.h" | |
21 | ||
22 | #define DEBUG_E 1 | |
23 | #define DEBUG_V 1 | |
24 | ||
d62a17ae | 25 | #define log_error(fmt, ...) \ |
26 | do { \ | |
27 | if (DEBUG_E) \ | |
28 | fprintf(stderr, "%s:%d:%s(): " fmt, __FILE__, \ | |
29 | __LINE__, __func__, ##__VA_ARGS__); \ | |
30 | } while (0) | |
31 | ||
32 | #define log_verbose(fmt, ...) \ | |
33 | do { \ | |
34 | if (DEBUG_V) \ | |
35 | fprintf(stderr, "%s:%d:%s(): " fmt, __FILE__, \ | |
36 | __LINE__, __func__, __VA_ARGS__); \ | |
37 | } while (0) | |
c43ed2e4 DS |
38 | |
39 | struct _csv_field_t_ { | |
d62a17ae | 40 | TAILQ_ENTRY(_csv_field_t_) next_field; |
41 | char *field; | |
42 | int field_len; | |
c43ed2e4 DS |
43 | }; |
44 | ||
45 | struct _csv_record_t_ { | |
d62a17ae | 46 | TAILQ_HEAD(, _csv_field_t_) fields; |
47 | TAILQ_ENTRY(_csv_record_t_) next_record; | |
48 | char *record; | |
49 | int rec_len; | |
c43ed2e4 DS |
50 | }; |
51 | ||
52 | struct _csv_t_ { | |
d62a17ae | 53 | TAILQ_HEAD(, _csv_record_t_) records; |
54 | char *buf; | |
55 | int buflen; | |
56 | int csv_len; | |
57 | int pointer; | |
58 | int num_recs; | |
c43ed2e4 DS |
59 | }; |
60 | ||
61 | ||
d62a17ae | 62 | int csvlen(csv_t *csv) |
c43ed2e4 | 63 | { |
d62a17ae | 64 | return (csv->csv_len); |
c43ed2e4 DS |
65 | } |
66 | ||
d62a17ae | 67 | csv_t *csv_init(csv_t *csv, char *buf, int buflen) |
c43ed2e4 | 68 | { |
d62a17ae | 69 | if (csv == NULL) { |
70 | csv = malloc(sizeof(csv_t)); | |
71 | if (csv == NULL) { | |
72 | log_error("CSV Malloc failed\n"); | |
95f7965d | 73 | return NULL; |
d62a17ae | 74 | } |
75 | } | |
76 | memset(csv, 0, sizeof(csv_t)); | |
77 | ||
78 | csv->buf = buf; | |
79 | csv->buflen = buflen; | |
80 | TAILQ_INIT(&(csv->records)); | |
81 | return (csv); | |
c43ed2e4 DS |
82 | } |
83 | ||
d62a17ae | 84 | void csv_clean(csv_t *csv) |
c43ed2e4 | 85 | { |
d62a17ae | 86 | csv_record_t *rec; |
87 | csv_record_t *rec_n; | |
88 | ||
89 | rec = TAILQ_FIRST(&(csv->records)); | |
90 | while (rec != NULL) { | |
91 | rec_n = TAILQ_NEXT(rec, next_record); | |
92 | csv_remove_record(csv, rec); | |
93 | rec = rec_n; | |
94 | } | |
c43ed2e4 DS |
95 | } |
96 | ||
d62a17ae | 97 | void csv_free(csv_t *csv) |
c43ed2e4 | 98 | { |
d62a17ae | 99 | if (csv != NULL) { |
100 | free(csv); | |
101 | } | |
c43ed2e4 DS |
102 | } |
103 | ||
d62a17ae | 104 | static void csv_init_record(csv_record_t *record) |
c43ed2e4 | 105 | { |
d62a17ae | 106 | TAILQ_INIT(&(record->fields)); |
107 | record->rec_len = 0; | |
c43ed2e4 DS |
108 | } |
109 | ||
d62a17ae | 110 | csv_record_t *csv_record_iter(csv_t *csv) |
c43ed2e4 | 111 | { |
d62a17ae | 112 | return (TAILQ_FIRST(&(csv->records))); |
c43ed2e4 DS |
113 | } |
114 | ||
d62a17ae | 115 | csv_record_t *csv_record_iter_next(csv_record_t *rec) |
c43ed2e4 | 116 | { |
d62a17ae | 117 | if (!rec) |
118 | return NULL; | |
119 | return (TAILQ_NEXT(rec, next_record)); | |
c43ed2e4 DS |
120 | } |
121 | ||
d62a17ae | 122 | char *csv_field_iter(csv_record_t *rec, csv_field_t **fld) |
c43ed2e4 | 123 | { |
d62a17ae | 124 | if (!rec) |
125 | return NULL; | |
126 | *fld = TAILQ_FIRST(&(rec->fields)); | |
127 | return ((*fld)->field); | |
c43ed2e4 DS |
128 | } |
129 | ||
d62a17ae | 130 | char *csv_field_iter_next(csv_field_t **fld) |
c43ed2e4 | 131 | { |
d62a17ae | 132 | *fld = TAILQ_NEXT(*fld, next_field); |
133 | if ((*fld) == NULL) { | |
95f7965d | 134 | return NULL; |
d62a17ae | 135 | } |
136 | return ((*fld)->field); | |
c43ed2e4 DS |
137 | } |
138 | ||
d62a17ae | 139 | int csv_field_len(csv_field_t *fld) |
c43ed2e4 | 140 | { |
d62a17ae | 141 | if (fld) { |
142 | return fld->field_len; | |
143 | } | |
144 | return 0; | |
c43ed2e4 DS |
145 | } |
146 | ||
d62a17ae | 147 | static void csv_decode_record(csv_record_t *rec) |
c43ed2e4 | 148 | { |
d62a17ae | 149 | char *curr = rec->record; |
150 | char *field; | |
151 | csv_field_t *fld; | |
152 | ||
153 | field = strpbrk(curr, ","); | |
154 | while (field != NULL) { | |
155 | fld = malloc(sizeof(csv_field_t)); | |
156 | if (fld) { | |
157 | TAILQ_INSERT_TAIL(&(rec->fields), fld, next_field); | |
158 | fld->field = curr; | |
159 | fld->field_len = field - curr; | |
160 | } | |
161 | curr = field + 1; | |
162 | field = strpbrk(curr, ","); | |
163 | } | |
164 | field = strstr(curr, "\n"); | |
165 | if (!field) | |
166 | return; | |
167 | ||
168 | fld = malloc(sizeof(csv_field_t)); | |
169 | if (fld) { | |
170 | fld->field = curr; | |
171 | fld->field_len = field - curr; | |
172 | TAILQ_INSERT_TAIL(&(rec->fields), fld, next_field); | |
173 | } | |
c43ed2e4 DS |
174 | } |
175 | ||
d62a17ae | 176 | static csv_field_t *csv_add_field_to_record(csv_t *csv, csv_record_t *rec, |
177 | char *col) | |
c43ed2e4 | 178 | { |
d62a17ae | 179 | csv_field_t *fld; |
180 | char *str = rec->record; | |
181 | int rlen = rec->rec_len; | |
182 | int blen = csv->buflen; | |
183 | ||
184 | fld = malloc(sizeof(csv_field_t)); | |
185 | if (!fld) { | |
186 | log_error("field malloc failed\n"); | |
187 | /* more cleanup needed */ | |
95f7965d | 188 | return NULL; |
d62a17ae | 189 | } |
190 | TAILQ_INSERT_TAIL(&(rec->fields), fld, next_field); | |
191 | fld->field = str + rlen; | |
192 | fld->field_len = snprintf((str + rlen), (blen - rlen), "%s", col); | |
193 | rlen += fld->field_len; | |
194 | rec->rec_len = rlen; | |
195 | return fld; | |
c43ed2e4 DS |
196 | } |
197 | ||
d62a17ae | 198 | csv_record_t *csv_encode(csv_t *csv, int count, ...) |
c43ed2e4 | 199 | { |
d62a17ae | 200 | int tempc; |
201 | va_list list; | |
202 | char *buf = csv->buf; | |
203 | int len = csv->buflen; | |
204 | int pointer = csv->pointer; | |
205 | char *str = NULL; | |
206 | char *col; | |
207 | csv_record_t *rec; | |
208 | csv_field_t *fld; | |
209 | ||
210 | if (buf) { | |
211 | str = buf + pointer; | |
212 | } else { | |
213 | /* allocate sufficient buffer */ | |
214 | str = (char *)malloc(csv->buflen); | |
215 | if (!str) { | |
216 | log_error("field str malloc failed\n"); | |
95f7965d | 217 | return NULL; |
d62a17ae | 218 | } |
219 | } | |
220 | ||
221 | va_start(list, count); | |
222 | rec = malloc(sizeof(csv_record_t)); | |
223 | if (!rec) { | |
224 | log_error("record malloc failed\n"); | |
225 | if (!buf) | |
226 | free(str); | |
227 | va_end(list); | |
95f7965d | 228 | return NULL; |
d62a17ae | 229 | } |
230 | csv_init_record(rec); | |
231 | rec->record = str; | |
232 | TAILQ_INSERT_TAIL(&(csv->records), rec, next_record); | |
233 | csv->num_recs++; | |
234 | ||
235 | /** | |
236 | * Iterate through the fields passed as a variable list and add them | |
237 | */ | |
238 | for (tempc = 0; tempc < count; tempc++) { | |
239 | col = va_arg(list, char *); | |
240 | fld = csv_add_field_to_record(csv, rec, col); | |
241 | if (!fld) { | |
242 | log_error("fld malloc failed\n"); | |
243 | csv_remove_record(csv, rec); | |
244 | va_end(list); | |
95f7965d | 245 | return NULL; |
d62a17ae | 246 | } |
247 | if (tempc < (count - 1)) { | |
248 | rec->rec_len += snprintf((str + rec->rec_len), | |
249 | (len - rec->rec_len), ","); | |
250 | } | |
251 | } | |
252 | rec->rec_len += | |
253 | snprintf((str + rec->rec_len), (len - rec->rec_len), "\n"); | |
254 | va_end(list); | |
255 | csv->csv_len += rec->rec_len; | |
256 | csv->pointer += rec->rec_len; | |
257 | return (rec); | |
c43ed2e4 DS |
258 | } |
259 | ||
d62a17ae | 260 | int csv_num_records(csv_t *csv) |
c43ed2e4 | 261 | { |
d62a17ae | 262 | if (csv) { |
263 | return csv->num_recs; | |
264 | } | |
265 | return 0; | |
c43ed2e4 DS |
266 | } |
267 | ||
d62a17ae | 268 | csv_record_t *csv_encode_record(csv_t *csv, csv_record_t *rec, int count, ...) |
c43ed2e4 | 269 | { |
d62a17ae | 270 | int tempc; |
271 | va_list list; | |
272 | char *str; | |
273 | char *col; | |
274 | csv_field_t *fld = NULL; | |
275 | int i; | |
276 | ||
277 | va_start(list, count); | |
278 | str = csv_field_iter(rec, &fld); | |
d06542d5 DS |
279 | if (!fld) { |
280 | va_end(list); | |
43b798b7 | 281 | return NULL; |
d06542d5 DS |
282 | } |
283 | ||
d62a17ae | 284 | for (tempc = 0; tempc < count; tempc++) { |
285 | col = va_arg(list, char *); | |
286 | for (i = 0; i < fld->field_len; i++) { | |
287 | str[i] = col[i]; | |
288 | } | |
289 | str = csv_field_iter_next(&fld); | |
290 | } | |
291 | va_end(list); | |
292 | return (rec); | |
c43ed2e4 DS |
293 | } |
294 | ||
d62a17ae | 295 | csv_record_t *csv_append_record(csv_t *csv, csv_record_t *rec, int count, ...) |
c43ed2e4 | 296 | { |
d62a17ae | 297 | int tempc; |
298 | va_list list; | |
299 | int len = csv->buflen, tlen; | |
300 | char *str; | |
301 | csv_field_t *fld; | |
302 | char *col; | |
303 | ||
304 | if (csv->buf) { | |
305 | /* not only works with discrete bufs */ | |
306 | return NULL; | |
307 | } | |
308 | ||
309 | if (!rec) { | |
310 | /* create a new rec */ | |
311 | rec = calloc(1, sizeof(csv_record_t)); | |
312 | if (!rec) { | |
313 | log_error("record malloc failed\n"); | |
314 | return NULL; | |
315 | } | |
316 | csv_init_record(rec); | |
317 | rec->record = calloc(1, csv->buflen); | |
318 | if (!rec->record) { | |
319 | log_error("field str malloc failed\n"); | |
320 | free(rec); | |
321 | return NULL; | |
322 | } | |
323 | csv_insert_record(csv, rec); | |
324 | } | |
325 | ||
326 | str = rec->record; | |
327 | ||
328 | va_start(list, count); | |
329 | ||
330 | if (rec->rec_len && (str[rec->rec_len - 1] == '\n')) | |
331 | str[rec->rec_len - 1] = ','; | |
332 | ||
333 | /** | |
334 | * Iterate through the fields passed as a variable list and add them | |
335 | */ | |
336 | tlen = rec->rec_len; | |
337 | for (tempc = 0; tempc < count; tempc++) { | |
338 | col = va_arg(list, char *); | |
339 | fld = csv_add_field_to_record(csv, rec, col); | |
340 | if (!fld) { | |
341 | log_error("fld malloc failed\n"); | |
342 | break; | |
343 | } | |
344 | if (tempc < (count - 1)) { | |
345 | rec->rec_len += snprintf((str + rec->rec_len), | |
346 | (len - rec->rec_len), ","); | |
347 | } | |
348 | } | |
349 | rec->rec_len += | |
350 | snprintf((str + rec->rec_len), (len - rec->rec_len), "\n"); | |
351 | va_end(list); | |
352 | csv->csv_len += (rec->rec_len - tlen); | |
353 | csv->pointer += (rec->rec_len - tlen); | |
354 | return (rec); | |
c43ed2e4 DS |
355 | } |
356 | ||
d62a17ae | 357 | int csv_serialize(csv_t *csv, char *msgbuf, int msglen) |
c43ed2e4 | 358 | { |
d62a17ae | 359 | csv_record_t *rec; |
360 | int offset = 0; | |
c43ed2e4 | 361 | |
d62a17ae | 362 | if (!csv || !msgbuf) |
363 | return -1; | |
c43ed2e4 | 364 | |
d62a17ae | 365 | rec = csv_record_iter(csv); |
366 | while (rec != NULL) { | |
367 | if ((offset + rec->rec_len) >= msglen) | |
368 | return -1; | |
369 | offset += sprintf(&msgbuf[offset], "%s", rec->record); | |
370 | rec = csv_record_iter_next(rec); | |
371 | } | |
c43ed2e4 | 372 | |
d62a17ae | 373 | return 0; |
c43ed2e4 DS |
374 | } |
375 | ||
d62a17ae | 376 | void csv_clone_record(csv_t *csv, csv_record_t *in_rec, csv_record_t **out_rec) |
c43ed2e4 | 377 | { |
d62a17ae | 378 | char *curr; |
379 | csv_record_t *rec; | |
380 | ||
381 | /* first check if rec belongs to this csv */ | |
382 | if (!csv_is_record_valid(csv, in_rec)) { | |
383 | log_error("rec not in this csv\n"); | |
384 | return; | |
385 | } | |
386 | ||
387 | /* only works with csv with discrete bufs */ | |
388 | if (csv->buf) { | |
389 | log_error( | |
390 | "un-supported for this csv type - single buf detected\n"); | |
391 | return; | |
392 | } | |
393 | ||
394 | /* create a new rec */ | |
395 | rec = calloc(1, sizeof(csv_record_t)); | |
396 | if (!rec) { | |
397 | log_error("record malloc failed\n"); | |
398 | return; | |
399 | } | |
400 | csv_init_record(rec); | |
401 | curr = calloc(1, csv->buflen); | |
402 | if (!curr) { | |
403 | log_error("field str malloc failed\n"); | |
404 | free(rec); | |
405 | return; | |
406 | } | |
407 | rec->record = curr; | |
408 | rec->rec_len = in_rec->rec_len; | |
1120b959 | 409 | strlcpy(rec->record, in_rec->record, csv->buflen); |
d62a17ae | 410 | |
411 | /* decode record into fields */ | |
412 | csv_decode_record(rec); | |
413 | ||
414 | *out_rec = rec; | |
c43ed2e4 DS |
415 | } |
416 | ||
d62a17ae | 417 | void csv_remove_record(csv_t *csv, csv_record_t *rec) |
c43ed2e4 | 418 | { |
79e68c7c | 419 | csv_field_t *fld = NULL, *p_fld; |
d62a17ae | 420 | |
421 | /* first check if rec belongs to this csv */ | |
422 | if (!csv_is_record_valid(csv, rec)) { | |
423 | log_error("rec not in this csv\n"); | |
424 | return; | |
425 | } | |
426 | ||
427 | /* remove fields */ | |
428 | csv_field_iter(rec, &fld); | |
429 | while (fld) { | |
430 | p_fld = fld; | |
431 | csv_field_iter_next(&fld); | |
432 | TAILQ_REMOVE(&(rec->fields), p_fld, next_field); | |
433 | free(p_fld); | |
434 | } | |
435 | ||
436 | TAILQ_REMOVE(&(csv->records), rec, next_record); | |
437 | ||
438 | csv->num_recs--; | |
439 | csv->csv_len -= rec->rec_len; | |
440 | csv->pointer -= rec->rec_len; | |
441 | if (!csv->buf) | |
442 | free(rec->record); | |
443 | free(rec); | |
c43ed2e4 DS |
444 | } |
445 | ||
d62a17ae | 446 | void csv_insert_record(csv_t *csv, csv_record_t *rec) |
c43ed2e4 | 447 | { |
d62a17ae | 448 | /* first check if rec already in csv */ |
449 | if (csv_is_record_valid(csv, rec)) { | |
450 | log_error("rec already in this csv\n"); | |
451 | return; | |
452 | } | |
453 | ||
454 | /* we can only insert records if no buf was supplied during csv init */ | |
455 | if (csv->buf) { | |
456 | log_error( | |
457 | "un-supported for this csv type - single buf detected\n"); | |
458 | return; | |
459 | } | |
460 | ||
461 | /* do we go beyond the max buf set for this csv ?*/ | |
462 | if ((csv->csv_len + rec->rec_len) > csv->buflen) { | |
463 | log_error("cannot insert - exceeded buf size\n"); | |
464 | return; | |
465 | } | |
466 | ||
467 | TAILQ_INSERT_TAIL(&(csv->records), rec, next_record); | |
468 | csv->num_recs++; | |
469 | csv->csv_len += rec->rec_len; | |
470 | csv->pointer += rec->rec_len; | |
c43ed2e4 DS |
471 | } |
472 | ||
d62a17ae | 473 | csv_record_t *csv_concat_record(csv_t *csv, csv_record_t *rec1, |
474 | csv_record_t *rec2) | |
c43ed2e4 | 475 | { |
d62a17ae | 476 | char *curr; |
477 | char *ret; | |
478 | csv_record_t *rec; | |
479 | ||
480 | /* first check if rec1 and rec2 belong to this csv */ | |
481 | if (!csv_is_record_valid(csv, rec1) | |
482 | || !csv_is_record_valid(csv, rec2)) { | |
483 | log_error("rec1 and/or rec2 invalid\n"); | |
95f7965d | 484 | return NULL; |
d62a17ae | 485 | } |
486 | ||
487 | /* we can only concat records if no buf was supplied during csv init */ | |
488 | if (csv->buf) { | |
489 | log_error( | |
490 | "un-supported for this csv type - single buf detected\n"); | |
95f7965d | 491 | return NULL; |
d62a17ae | 492 | } |
493 | ||
494 | /* create a new rec */ | |
495 | rec = calloc(1, sizeof(csv_record_t)); | |
496 | if (!rec) { | |
497 | log_error("record malloc failed\n"); | |
95f7965d | 498 | return NULL; |
d62a17ae | 499 | } |
500 | csv_init_record(rec); | |
501 | ||
502 | curr = (char *)calloc(1, csv->buflen); | |
503 | if (!curr) { | |
504 | log_error("field str malloc failed\n"); | |
505 | goto out_rec; | |
506 | } | |
507 | rec->record = curr; | |
508 | ||
509 | /* concat the record string */ | |
510 | ret = strstr(rec1->record, "\n"); | |
511 | if (!ret) { | |
512 | log_error("rec1 str not properly formatted\n"); | |
513 | goto out_curr; | |
514 | } | |
515 | ||
516 | snprintf(curr, (int)(ret - rec1->record + 1), "%s", rec1->record); | |
517 | strcat(curr, ","); | |
518 | ||
519 | ret = strstr(rec2->record, "\n"); | |
520 | if (!ret) { | |
521 | log_error("rec2 str not properly formatted\n"); | |
522 | goto out_curr; | |
523 | } | |
524 | ||
525 | snprintf((curr + strlen(curr)), (int)(ret - rec2->record + 1), "%s", | |
526 | rec2->record); | |
527 | strcat(curr, "\n"); | |
528 | rec->rec_len = strlen(curr); | |
529 | ||
530 | /* paranoia */ | |
531 | assert(csv->buflen | |
532 | > (csv->csv_len - rec1->rec_len - rec2->rec_len + rec->rec_len)); | |
533 | ||
534 | /* decode record into fields */ | |
535 | csv_decode_record(rec); | |
536 | ||
537 | /* now remove rec1 and rec2 and insert rec into this csv */ | |
538 | csv_remove_record(csv, rec1); | |
539 | csv_remove_record(csv, rec2); | |
540 | csv_insert_record(csv, rec); | |
541 | ||
542 | return rec; | |
8ac88545 DL |
543 | |
544 | out_curr: | |
d62a17ae | 545 | free(curr); |
8ac88545 | 546 | out_rec: |
d62a17ae | 547 | free(rec); |
548 | return NULL; | |
c43ed2e4 DS |
549 | } |
550 | ||
d62a17ae | 551 | void csv_decode(csv_t *csv, char *inbuf) |
c43ed2e4 | 552 | { |
d62a17ae | 553 | char *buf; |
554 | char *pos; | |
555 | csv_record_t *rec; | |
556 | ||
557 | buf = (inbuf) ? inbuf : csv->buf; | |
4f4060f6 DL |
558 | assert(buf); |
559 | ||
d62a17ae | 560 | pos = strpbrk(buf, "\n"); |
561 | while (pos != NULL) { | |
562 | rec = calloc(1, sizeof(csv_record_t)); | |
563 | if (!rec) | |
564 | return; | |
565 | csv_init_record(rec); | |
566 | TAILQ_INSERT_TAIL(&(csv->records), rec, next_record); | |
567 | csv->num_recs++; | |
568 | if (csv->buf) | |
569 | rec->record = buf; | |
570 | else { | |
571 | rec->record = calloc(1, csv->buflen); | |
572 | if (!rec->record) { | |
573 | log_error("field str malloc failed\n"); | |
574 | return; | |
575 | } | |
576 | strncpy(rec->record, buf, pos - buf + 1); | |
577 | } | |
578 | rec->rec_len = pos - buf + 1; | |
579 | /* decode record into fields */ | |
580 | csv_decode_record(rec); | |
581 | buf = pos + 1; | |
582 | pos = strpbrk(buf, "\n"); | |
583 | } | |
c43ed2e4 DS |
584 | } |
585 | ||
d62a17ae | 586 | int csv_is_record_valid(csv_t *csv, csv_record_t *in_rec) |
c43ed2e4 | 587 | { |
d62a17ae | 588 | csv_record_t *rec; |
589 | int valid = 0; | |
590 | ||
591 | rec = csv_record_iter(csv); | |
592 | while (rec) { | |
593 | if (rec == in_rec) { | |
594 | valid = 1; | |
595 | break; | |
596 | } | |
597 | rec = csv_record_iter_next(rec); | |
598 | } | |
599 | ||
600 | return valid; | |
c43ed2e4 DS |
601 | } |
602 | ||
d62a17ae | 603 | void csv_dump(csv_t *csv) |
c43ed2e4 | 604 | { |
d62a17ae | 605 | csv_record_t *rec; |
606 | csv_field_t *fld; | |
607 | char *str; | |
608 | ||
609 | rec = csv_record_iter(csv); | |
610 | while (rec != NULL) { | |
611 | str = csv_field_iter(rec, &fld); | |
612 | while (str != NULL) { | |
613 | fprintf(stderr, "%s\n", str); | |
614 | str = csv_field_iter_next(&fld); | |
615 | } | |
616 | rec = csv_record_iter_next(rec); | |
617 | } | |
c43ed2e4 DS |
618 | } |
619 | ||
620 | #ifdef TEST_CSV | |
621 | ||
d62a17ae | 622 | static int get_memory_usage(pid_t pid) |
c43ed2e4 | 623 | { |
d62a17ae | 624 | int fd, data, stack; |
2b7165e7 | 625 | char buf[4096], status_child[PATH_MAX]; |
d62a17ae | 626 | char *vm; |
627 | ||
772270f3 | 628 | snprintf(status_child, sizeof(status_child), "/proc/%d/status", pid); |
0e2d7076 DA |
629 | fd = open(status_child, O_RDONLY); |
630 | if (fd < 0) | |
d62a17ae | 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; | |
c7bba448 | 655 | int i; |
d62a17ae | 656 | csv_record_t *rec; |
d62a17ae | 657 | char hdr1[32], hdr2[32]; |
658 | ||
c7bba448 | 659 | log_verbose("Mem: %d\n", get_memory_usage(getpid())); |
d62a17ae | 660 | csv_init(&csv, buf, 256); |
772270f3 QY |
661 | snprintf(hdr1, sizeof(hdr1), "%4d", 0); |
662 | snprintf(hdr2, sizeof(hdr2), "%4d", 1); | |
c7bba448 | 663 | log_verbose("(%zu/%zu/%d/%d)\n", strlen(hdr1), strlen(hdr2), atoi(hdr1), |
d62a17ae | 664 | atoi(hdr2)); |
665 | rec = csv_encode(&csv, 2, hdr1, hdr2); | |
666 | csv_encode(&csv, 4, "name", "age", "sex", "hei"); | |
667 | csv_encode(&csv, 3, NULL, "0", NULL); | |
668 | csv_encode(&csv, 2, "p", "35"); | |
669 | for (i = 0; i < 50; i++) { | |
670 | csv_encode(&csv, 2, "p", "10"); | |
671 | } | |
672 | csv_encode(&csv, 2, "pdfadfadfadsadsaddfdfdsfdsd", "35444554545454545"); | |
673 | log_verbose("%s\n", buf); | |
772270f3 QY |
674 | snprintf(hdr1, sizeof(hdr1), "%4d", csv.csv_len); |
675 | snprintf(hdr2, sizeof(hdr2), "%4d", 1); | |
c7bba448 | 676 | log_verbose("(%zu/%zu/%d/%d)\n", strlen(hdr1), strlen(hdr2), atoi(hdr1), |
d62a17ae | 677 | atoi(hdr2)); |
678 | rec = csv_encode_record(&csv, rec, 2, hdr1, hdr2); | |
679 | log_verbose("(%d/%d)\n%s\n", rec->rec_len, csv.csv_len, buf); | |
680 | ||
c7bba448 | 681 | log_verbose("Mem: %d\n", get_memory_usage(getpid())); |
d62a17ae | 682 | csv_clean(&csv); |
c7bba448 | 683 | log_verbose("Mem: %d\n", get_memory_usage(getpid())); |
d62a17ae | 684 | csv_init(&csv, buf, 256); |
685 | csv_decode(&csv, NULL); | |
c7bba448 | 686 | log_verbose("%s", "AFTER DECODE\n"); |
d62a17ae | 687 | csv_dump(&csv); |
688 | csv_clean(&csv); | |
c7bba448 | 689 | log_verbose("Mem: %d\n", get_memory_usage(getpid())); |
c43ed2e4 DS |
690 | } |
691 | #endif |