d86a9074d90e631184d04e758652fa7788375c84
1 /*****************************************************************************
2 * RRDtool 1.4.3 Copyright by Tobi Oetiker, 1997-2010
3 *****************************************************************************
4 * rrd_info Get Information about the configuration of an RRD
5 *****************************************************************************/
7 #include "rrd_tool.h"
8 #include "rrd_rpncalc.h"
9 #include "rrd_client.h"
10 #include <stdarg.h>
12 /* proto */
13 rrd_info_t *rrd_info(
14 int,
15 char **);
16 rrd_info_t *rrd_info_r(
17 char *filename);
19 /* allocate memory for string */
20 char *sprintf_alloc(
21 char *fmt,
22 ...)
23 {
24 char *str = NULL;
25 va_list argp;
26 #ifdef HAVE_VASPRINTF
27 va_start( argp, fmt );
28 if (vasprintf( &str, fmt, argp ) == -1){
29 va_end(argp);
30 rrd_set_error ("vasprintf failed.");
31 return(NULL);
32 }
33 #else
34 int maxlen = 1024 + strlen(fmt);
35 str = (char*)malloc(sizeof(char) * (maxlen + 1));
36 if (str != NULL) {
37 va_start(argp, fmt);
38 #ifdef HAVE_VSNPRINTF
39 vsnprintf(str, maxlen, fmt, argp);
40 #else
41 vsprintf(str, fmt, argp);
42 #endif
43 }
44 #endif /* HAVE_VASPRINTF */
45 va_end(argp);
46 return str;
47 }
49 /* the function formerly known as push was renamed to info_push and later
50 * rrd_info_push because it is now used outside the scope of this file */
51 rrd_info_t
52 * rrd_info_push(rrd_info_t * info,
53 char *key, rrd_info_type_t type, rrd_infoval_t value)
54 {
55 rrd_info_t *next;
57 next = (rrd_info_t*)malloc(sizeof(*next));
58 next->next = (rrd_info_t *) 0;
59 if (info)
60 info->next = next;
61 next->type = type;
62 next->key = key;
63 switch (type) {
64 case RD_I_VAL:
65 next->value.u_val = value.u_val;
66 break;
67 case RD_I_CNT:
68 next->value.u_cnt = value.u_cnt;
69 break;
70 case RD_I_INT:
71 next->value.u_int = value.u_int;
72 break;
73 case RD_I_STR:
74 next->value.u_str = (char*)malloc(sizeof(char) * (strlen(value.u_str) + 1));
75 strcpy(next->value.u_str, value.u_str);
76 break;
77 case RD_I_BLO:
78 next->value.u_blo.size = value.u_blo.size;
79 next->value.u_blo.ptr =
80 (unsigned char *)malloc(sizeof(unsigned char) * value.u_blo.size);
81 memcpy(next->value.u_blo.ptr, value.u_blo.ptr, value.u_blo.size);
82 break;
83 }
84 return (next);
85 }
88 rrd_info_t *rrd_info(
89 int argc,
90 char **argv)
91 {
92 rrd_info_t *info;
93 char *opt_daemon = NULL;
94 int status;
95 int flushfirst = 1;
97 optind = 0;
98 opterr = 0; /* initialize getopt */
100 while (42) {
101 int opt;
102 int option_index = 0;
103 static struct option long_options[] = {
104 {"daemon", required_argument, 0, 'd'},
105 {"noflush", no_argument, 0, 'F'},
106 {0, 0, 0, 0}
107 };
109 opt = getopt_long(argc, argv, "d:F", long_options, &option_index);
111 if (opt == EOF)
112 break;
114 switch (opt) {
115 case 'd':
116 if (opt_daemon != NULL)
117 free (opt_daemon);
118 opt_daemon = strdup (optarg);
119 if (opt_daemon == NULL)
120 {
121 rrd_set_error ("strdup failed.");
122 return (NULL);
123 }
124 break;
126 case 'F':
127 flushfirst = 0;
128 break;
130 default:
131 rrd_set_error ("Usage: rrdtool %s [--daemon <addr> [--noflush]] <file>",
132 argv[0]);
133 return (NULL);
134 break;
135 }
136 } /* while (42) */
138 if ((argc - optind) != 1) {
139 rrd_set_error ("Usage: rrdtool %s [--daemon <addr> [--noflush]] <file>",
140 argv[0]);
141 return (NULL);
142 }
144 if( flushfirst ) {
145 status = rrdc_flush_if_daemon(opt_daemon, argv[optind]);
146 if (status) return (NULL);
147 }
149 rrdc_connect (opt_daemon);
150 if (rrdc_is_connected (opt_daemon))
151 info = rrdc_info (argv[optind]);
152 else
153 info = rrd_info_r(argv[optind]);
155 return (info);
156 } /* rrd_info_t *rrd_info */
158 rrd_info_t *rrd_info_r(
159 char *filename)
160 {
161 unsigned int i, ii = 0;
162 rrd_t rrd;
163 rrd_info_t *data = NULL, *cd;
164 rrd_infoval_t info;
165 rrd_file_t *rrd_file;
166 enum cf_en current_cf;
167 enum dst_en current_ds;
169 rrd_init(&rrd);
170 rrd_file = rrd_open(filename, &rrd, RRD_READONLY);
171 if (rrd_file == NULL)
172 goto err_free;
174 info.u_str = filename;
175 cd = rrd_info_push(NULL, sprintf_alloc("filename"), RD_I_STR, info);
176 data = cd;
178 info.u_str = rrd.stat_head->version;
179 cd = rrd_info_push(cd, sprintf_alloc("rrd_version"), RD_I_STR, info);
181 info.u_cnt = rrd.stat_head->pdp_step;
182 cd = rrd_info_push(cd, sprintf_alloc("step"), RD_I_CNT, info);
184 info.u_cnt = rrd.live_head->last_up;
185 cd = rrd_info_push(cd, sprintf_alloc("last_update"), RD_I_CNT, info);
187 info.u_cnt = rrd_get_header_size(&rrd);
188 cd = rrd_info_push(cd, sprintf_alloc("header_size"), RD_I_CNT, info);
190 for (i = 0; i < rrd.stat_head->ds_cnt; i++) {
192 info.u_cnt=i;
193 cd= rrd_info_push(cd,sprintf_alloc("ds[%s].index",
194 rrd.ds_def[i].ds_nam),
195 RD_I_CNT, info);
197 info.u_str = rrd.ds_def[i].dst;
198 cd = rrd_info_push(cd, sprintf_alloc("ds[%s].type",
199 rrd.ds_def[i].ds_nam),
200 RD_I_STR, info);
202 current_ds = dst_conv(rrd.ds_def[i].dst);
203 switch (current_ds) {
204 case DST_CDEF:
205 {
206 char *buffer = NULL;
208 rpn_compact2str((rpn_cdefds_t *) &(rrd.ds_def[i].par[DS_cdef]),
209 rrd.ds_def, &buffer);
210 info.u_str = buffer;
211 cd = rrd_info_push(cd,
212 sprintf_alloc("ds[%s].cdef",
213 rrd.ds_def[i].ds_nam), RD_I_STR,
214 info);
215 free(buffer);
216 }
217 break;
218 default:
219 info.u_cnt = rrd.ds_def[i].par[DS_mrhb_cnt].u_cnt;
220 cd = rrd_info_push(cd,
221 sprintf_alloc("ds[%s].minimal_heartbeat",
222 rrd.ds_def[i].ds_nam), RD_I_CNT,
223 info);
225 info.u_val = rrd.ds_def[i].par[DS_min_val].u_val;
226 cd = rrd_info_push(cd,
227 sprintf_alloc("ds[%s].min",
228 rrd.ds_def[i].ds_nam), RD_I_VAL,
229 info);
231 info.u_val = rrd.ds_def[i].par[DS_max_val].u_val;
232 cd = rrd_info_push(cd,
233 sprintf_alloc("ds[%s].max",
234 rrd.ds_def[i].ds_nam), RD_I_VAL,
235 info);
236 break;
237 }
239 info.u_str = rrd.pdp_prep[i].last_ds;
240 cd = rrd_info_push(cd,
241 sprintf_alloc("ds[%s].last_ds",
242 rrd.ds_def[i].ds_nam), RD_I_STR,
243 info);
245 info.u_val = rrd.pdp_prep[i].scratch[PDP_val].u_val;
246 cd = rrd_info_push(cd,
247 sprintf_alloc("ds[%s].value",
248 rrd.ds_def[i].ds_nam), RD_I_VAL,
249 info);
251 info.u_cnt = rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt;
252 cd = rrd_info_push(cd,
253 sprintf_alloc("ds[%s].unknown_sec",
254 rrd.ds_def[i].ds_nam), RD_I_CNT,
255 info);
256 }
258 for (i = 0; i < rrd.stat_head->rra_cnt; i++) {
259 info.u_str = rrd.rra_def[i].cf_nam;
260 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].cf", i), RD_I_STR,
261 info);
262 current_cf = cf_conv(rrd.rra_def[i].cf_nam);
264 info.u_cnt = rrd.rra_def[i].row_cnt;
265 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].rows", i), RD_I_CNT,
266 info);
268 info.u_cnt = rrd.rra_ptr[i].cur_row;
269 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].cur_row", i), RD_I_CNT,
270 info);
272 info.u_cnt = rrd.rra_def[i].pdp_cnt;
273 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].pdp_per_row", i),
274 RD_I_CNT, info);
276 switch (current_cf) {
277 case CF_HWPREDICT:
278 case CF_MHWPREDICT:
279 info.u_val = rrd.rra_def[i].par[RRA_hw_alpha].u_val;
280 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].alpha", i),
281 RD_I_VAL, info);
282 info.u_val = rrd.rra_def[i].par[RRA_hw_beta].u_val;
283 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].beta", i), RD_I_VAL,
284 info);
285 break;
286 case CF_SEASONAL:
287 case CF_DEVSEASONAL:
288 info.u_val = rrd.rra_def[i].par[RRA_seasonal_gamma].u_val;
289 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].gamma", i),
290 RD_I_VAL, info);
291 if (atoi(rrd.stat_head->version) >= 4) {
292 info.u_val =
293 rrd.rra_def[i].par[RRA_seasonal_smoothing_window].u_val;
294 cd = rrd_info_push(cd,
295 sprintf_alloc("rra[%d].smoothing_window",
296 i), RD_I_VAL, info);
297 }
298 break;
299 case CF_FAILURES:
300 info.u_val = rrd.rra_def[i].par[RRA_delta_pos].u_val;
301 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].delta_pos", i),
302 RD_I_VAL, info);
303 info.u_val = rrd.rra_def[i].par[RRA_delta_neg].u_val;
304 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].delta_neg", i),
305 RD_I_VAL, info);
306 info.u_cnt = rrd.rra_def[i].par[RRA_failure_threshold].u_cnt;
307 cd = rrd_info_push(cd,
308 sprintf_alloc("rra[%d].failure_threshold", i),
309 RD_I_CNT, info);
310 info.u_cnt = rrd.rra_def[i].par[RRA_window_len].u_cnt;
311 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].window_length", i),
312 RD_I_CNT, info);
313 break;
314 case CF_DEVPREDICT:
315 break;
316 default:
317 info.u_val = rrd.rra_def[i].par[RRA_cdp_xff_val].u_val;
318 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].xff", i), RD_I_VAL,
319 info);
320 break;
321 }
323 for (ii = 0; ii < rrd.stat_head->ds_cnt; ii++) {
324 switch (current_cf) {
325 case CF_HWPREDICT:
326 case CF_MHWPREDICT:
327 info.u_val =
328 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
329 ii].scratch[CDP_hw_intercept].u_val;
330 cd = rrd_info_push(cd,
331 sprintf_alloc
332 ("rra[%d].cdp_prep[%d].intercept", i, ii),
333 RD_I_VAL, info);
334 info.u_val =
335 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
336 ii].scratch[CDP_hw_slope].u_val;
337 cd = rrd_info_push(cd,
338 sprintf_alloc("rra[%d].cdp_prep[%d].slope",
339 i, ii), RD_I_VAL, info);
340 info.u_cnt =
341 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
342 ii].scratch[CDP_null_count].u_cnt;
343 cd = rrd_info_push(cd,
344 sprintf_alloc
345 ("rra[%d].cdp_prep[%d].NaN_count", i, ii),
346 RD_I_CNT, info);
347 break;
348 case CF_SEASONAL:
349 info.u_val =
350 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
351 ii].scratch[CDP_hw_seasonal].u_val;
352 cd = rrd_info_push(cd,
353 sprintf_alloc
354 ("rra[%d].cdp_prep[%d].seasonal", i, ii),
355 RD_I_VAL, info);
356 break;
357 case CF_DEVSEASONAL:
358 info.u_val =
359 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
360 ii].scratch[CDP_seasonal_deviation].u_val;
361 cd = rrd_info_push(cd,
362 sprintf_alloc
363 ("rra[%d].cdp_prep[%d].deviation", i, ii),
364 RD_I_VAL, info);
365 break;
366 case CF_DEVPREDICT:
367 break;
368 case CF_FAILURES:
369 {
370 unsigned short j;
371 char *violations_array;
372 char history[MAX_FAILURES_WINDOW_LEN + 1];
374 violations_array =
375 (char *) rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
376 ii].scratch;
377 for (j = 0; j < rrd.rra_def[i].par[RRA_window_len].u_cnt; ++j)
378 history[j] = (violations_array[j] == 1) ? '1' : '0';
379 history[j] = '\0';
380 info.u_str = history;
381 cd = rrd_info_push(cd,
382 sprintf_alloc
383 ("rra[%d].cdp_prep[%d].history", i, ii),
384 RD_I_STR, info);
385 }
386 break;
387 default:
388 info.u_val =
389 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
390 ii].scratch[CDP_val].u_val;
391 cd = rrd_info_push(cd,
392 sprintf_alloc("rra[%d].cdp_prep[%d].value",
393 i, ii), RD_I_VAL, info);
394 info.u_cnt =
395 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
396 ii].scratch[CDP_unkn_pdp_cnt].u_cnt;
397 cd = rrd_info_push(cd,
398 sprintf_alloc
399 ("rra[%d].cdp_prep[%d].unknown_datapoints",
400 i, ii), RD_I_CNT, info);
401 break;
402 }
403 }
404 }
406 rrd_close(rrd_file);
407 err_free:
408 rrd_free(&rrd);
409 return (data);
410 }
413 void rrd_info_print(
414 rrd_info_t * data)
415 {
416 while (data) {
417 printf("%s = ", data->key);
419 switch (data->type) {
420 case RD_I_VAL:
421 if (isnan(data->value.u_val))
422 printf("NaN\n");
423 else
424 printf("%0.10e\n", data->value.u_val);
425 break;
426 case RD_I_CNT:
427 printf("%lu\n", data->value.u_cnt);
428 break;
429 case RD_I_INT:
430 printf("%d\n", data->value.u_int);
431 break;
432 case RD_I_STR:
433 printf("\"%s\"\n", data->value.u_str);
434 break;
435 case RD_I_BLO:
436 printf("BLOB_SIZE:%lu\n", data->value.u_blo.size);
437 fwrite(data->value.u_blo.ptr, data->value.u_blo.size, 1, stdout);
438 break;
439 }
440 data = data->next;
441 }
442 }
444 void rrd_info_free(
445 rrd_info_t * data)
446 {
447 rrd_info_t *save;
449 while (data) {
450 save = data;
451 if (data->key) {
452 if (data->type == RD_I_STR) {
453 free(data->value.u_str);
454 }
455 if (data->type == RD_I_BLO) {
456 free(data->value.u_blo.ptr);
457 }
458 free(data->key);
459 }
460 data = data->next;
461 free(save);
462 }
463 }