a4e28622ef437d5a714c059e72b3aa8947bea22c
1 /*****************************************************************************
2 * RRDtool 1.3.2 Copyright by Tobi Oetiker, 1997-2008
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;
96 optind = 0;
97 opterr = 0; /* initialize getopt */
99 while (42) {
100 int opt;
101 int option_index = 0;
102 static struct option long_options[] = {
103 {"daemon", required_argument, 0, 'd'},
104 {0, 0, 0, 0}
105 };
107 opt = getopt_long(argc, argv, "d:", long_options, &option_index);
109 if (opt == EOF)
110 break;
112 switch (opt) {
113 case 'd':
114 if (opt_daemon != NULL)
115 free (opt_daemon);
116 opt_daemon = strdup (optarg);
117 if (opt_daemon == NULL)
118 {
119 rrd_set_error ("strdup failed.");
120 return (NULL);
121 }
122 break;
124 default:
125 rrd_set_error ("Usage: rrdtool %s [--daemon <addr>] <file>",
126 argv[0]);
127 return (NULL);
128 break;
129 }
130 } /* while (42) */
132 if ((argc - optind) != 1) {
133 rrd_set_error ("Usage: rrdtool %s [--daemon <addr>] <file>",
134 argv[0]);
135 return (NULL);
136 }
138 status = rrdc_flush_if_daemon(opt_daemon, argv[optind]);
139 if (opt_daemon) free (opt_daemon);
140 if (status) return (NULL);
142 info = rrd_info_r(argv[optind]);
144 return (info);
145 } /* rrd_info_t *rrd_info */
147 rrd_info_t *rrd_info_r(
148 char *filename)
149 {
150 unsigned int i, ii = 0;
151 rrd_t rrd;
152 rrd_info_t *data = NULL, *cd;
153 rrd_infoval_t info;
154 rrd_file_t *rrd_file;
155 enum cf_en current_cf;
156 enum dst_en current_ds;
158 rrd_init(&rrd);
159 rrd_file = rrd_open(filename, &rrd, RRD_READONLY);
160 if (rrd_file == NULL)
161 goto err_free;
163 info.u_str = filename;
164 cd = rrd_info_push(NULL, sprintf_alloc("filename"), RD_I_STR, info);
165 data = cd;
167 info.u_str = rrd.stat_head->version;
168 cd = rrd_info_push(cd, sprintf_alloc("rrd_version"), RD_I_STR, info);
170 info.u_cnt = rrd.stat_head->pdp_step;
171 cd = rrd_info_push(cd, sprintf_alloc("step"), RD_I_CNT, info);
173 info.u_cnt = rrd.live_head->last_up;
174 cd = rrd_info_push(cd, sprintf_alloc("last_update"), RD_I_CNT, info);
176 info.u_cnt = rrd_get_header_size(&rrd);
177 cd = rrd_info_push(cd, sprintf_alloc("header_size"), RD_I_CNT, info);
179 for (i = 0; i < rrd.stat_head->ds_cnt; i++) {
181 info.u_cnt=i;
182 cd= rrd_info_push(cd,sprintf_alloc("ds[%s].index",
183 rrd.ds_def[i].ds_nam),
184 RD_I_CNT, info);
186 info.u_str = rrd.ds_def[i].dst;
187 cd = rrd_info_push(cd, sprintf_alloc("ds[%s].type",
188 rrd.ds_def[i].ds_nam),
189 RD_I_STR, info);
191 current_ds = dst_conv(rrd.ds_def[i].dst);
192 switch (current_ds) {
193 case DST_CDEF:
194 {
195 char *buffer = NULL;
197 rpn_compact2str((rpn_cdefds_t *) &(rrd.ds_def[i].par[DS_cdef]),
198 rrd.ds_def, &buffer);
199 info.u_str = buffer;
200 cd = rrd_info_push(cd,
201 sprintf_alloc("ds[%s].cdef",
202 rrd.ds_def[i].ds_nam), RD_I_STR,
203 info);
204 free(buffer);
205 }
206 break;
207 default:
208 info.u_cnt = rrd.ds_def[i].par[DS_mrhb_cnt].u_cnt;
209 cd = rrd_info_push(cd,
210 sprintf_alloc("ds[%s].minimal_heartbeat",
211 rrd.ds_def[i].ds_nam), RD_I_CNT,
212 info);
214 info.u_val = rrd.ds_def[i].par[DS_min_val].u_val;
215 cd = rrd_info_push(cd,
216 sprintf_alloc("ds[%s].min",
217 rrd.ds_def[i].ds_nam), RD_I_VAL,
218 info);
220 info.u_val = rrd.ds_def[i].par[DS_max_val].u_val;
221 cd = rrd_info_push(cd,
222 sprintf_alloc("ds[%s].max",
223 rrd.ds_def[i].ds_nam), RD_I_VAL,
224 info);
225 break;
226 }
228 info.u_str = rrd.pdp_prep[i].last_ds;
229 cd = rrd_info_push(cd,
230 sprintf_alloc("ds[%s].last_ds",
231 rrd.ds_def[i].ds_nam), RD_I_STR,
232 info);
234 info.u_val = rrd.pdp_prep[i].scratch[PDP_val].u_val;
235 cd = rrd_info_push(cd,
236 sprintf_alloc("ds[%s].value",
237 rrd.ds_def[i].ds_nam), RD_I_VAL,
238 info);
240 info.u_cnt = rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt;
241 cd = rrd_info_push(cd,
242 sprintf_alloc("ds[%s].unknown_sec",
243 rrd.ds_def[i].ds_nam), RD_I_CNT,
244 info);
245 }
247 for (i = 0; i < rrd.stat_head->rra_cnt; i++) {
248 info.u_str = rrd.rra_def[i].cf_nam;
249 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].cf", i), RD_I_STR,
250 info);
251 current_cf = cf_conv(rrd.rra_def[i].cf_nam);
253 info.u_cnt = rrd.rra_def[i].row_cnt;
254 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].rows", i), RD_I_CNT,
255 info);
257 info.u_cnt = rrd.rra_ptr[i].cur_row;
258 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].cur_row", i), RD_I_CNT,
259 info);
261 info.u_cnt = rrd.rra_def[i].pdp_cnt;
262 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].pdp_per_row", i),
263 RD_I_CNT, info);
265 switch (current_cf) {
266 case CF_HWPREDICT:
267 case CF_MHWPREDICT:
268 info.u_val = rrd.rra_def[i].par[RRA_hw_alpha].u_val;
269 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].alpha", i),
270 RD_I_VAL, info);
271 info.u_val = rrd.rra_def[i].par[RRA_hw_beta].u_val;
272 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].beta", i), RD_I_VAL,
273 info);
274 break;
275 case CF_SEASONAL:
276 case CF_DEVSEASONAL:
277 info.u_val = rrd.rra_def[i].par[RRA_seasonal_gamma].u_val;
278 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].gamma", i),
279 RD_I_VAL, info);
280 if (atoi(rrd.stat_head->version) >= 4) {
281 info.u_val =
282 rrd.rra_def[i].par[RRA_seasonal_smoothing_window].u_val;
283 cd = rrd_info_push(cd,
284 sprintf_alloc("rra[%d].smoothing_window",
285 i), RD_I_VAL, info);
286 }
287 break;
288 case CF_FAILURES:
289 info.u_val = rrd.rra_def[i].par[RRA_delta_pos].u_val;
290 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].delta_pos", i),
291 RD_I_VAL, info);
292 info.u_val = rrd.rra_def[i].par[RRA_delta_neg].u_val;
293 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].delta_neg", i),
294 RD_I_VAL, info);
295 info.u_cnt = rrd.rra_def[i].par[RRA_failure_threshold].u_cnt;
296 cd = rrd_info_push(cd,
297 sprintf_alloc("rra[%d].failure_threshold", i),
298 RD_I_CNT, info);
299 info.u_cnt = rrd.rra_def[i].par[RRA_window_len].u_cnt;
300 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].window_length", i),
301 RD_I_CNT, info);
302 break;
303 case CF_DEVPREDICT:
304 break;
305 default:
306 info.u_val = rrd.rra_def[i].par[RRA_cdp_xff_val].u_val;
307 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].xff", i), RD_I_VAL,
308 info);
309 break;
310 }
312 for (ii = 0; ii < rrd.stat_head->ds_cnt; ii++) {
313 switch (current_cf) {
314 case CF_HWPREDICT:
315 case CF_MHWPREDICT:
316 info.u_val =
317 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
318 ii].scratch[CDP_hw_intercept].u_val;
319 cd = rrd_info_push(cd,
320 sprintf_alloc
321 ("rra[%d].cdp_prep[%d].intercept", i, ii),
322 RD_I_VAL, info);
323 info.u_val =
324 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
325 ii].scratch[CDP_hw_slope].u_val;
326 cd = rrd_info_push(cd,
327 sprintf_alloc("rra[%d].cdp_prep[%d].slope",
328 i, ii), RD_I_VAL, info);
329 info.u_cnt =
330 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
331 ii].scratch[CDP_null_count].u_cnt;
332 cd = rrd_info_push(cd,
333 sprintf_alloc
334 ("rra[%d].cdp_prep[%d].NaN_count", i, ii),
335 RD_I_CNT, info);
336 break;
337 case CF_SEASONAL:
338 info.u_val =
339 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
340 ii].scratch[CDP_hw_seasonal].u_val;
341 cd = rrd_info_push(cd,
342 sprintf_alloc
343 ("rra[%d].cdp_prep[%d].seasonal", i, ii),
344 RD_I_VAL, info);
345 break;
346 case CF_DEVSEASONAL:
347 info.u_val =
348 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
349 ii].scratch[CDP_seasonal_deviation].u_val;
350 cd = rrd_info_push(cd,
351 sprintf_alloc
352 ("rra[%d].cdp_prep[%d].deviation", i, ii),
353 RD_I_VAL, info);
354 break;
355 case CF_DEVPREDICT:
356 break;
357 case CF_FAILURES:
358 {
359 unsigned short j;
360 char *violations_array;
361 char history[MAX_FAILURES_WINDOW_LEN + 1];
363 violations_array =
364 (char *) rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
365 ii].scratch;
366 for (j = 0; j < rrd.rra_def[i].par[RRA_window_len].u_cnt; ++j)
367 history[j] = (violations_array[j] == 1) ? '1' : '0';
368 history[j] = '\0';
369 info.u_str = history;
370 cd = rrd_info_push(cd,
371 sprintf_alloc
372 ("rra[%d].cdp_prep[%d].history", i, ii),
373 RD_I_STR, info);
374 }
375 break;
376 default:
377 info.u_val =
378 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
379 ii].scratch[CDP_val].u_val;
380 cd = rrd_info_push(cd,
381 sprintf_alloc("rra[%d].cdp_prep[%d].value",
382 i, ii), RD_I_VAL, info);
383 info.u_cnt =
384 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
385 ii].scratch[CDP_unkn_pdp_cnt].u_cnt;
386 cd = rrd_info_push(cd,
387 sprintf_alloc
388 ("rra[%d].cdp_prep[%d].unknown_datapoints",
389 i, ii), RD_I_CNT, info);
390 break;
391 }
392 }
393 }
395 rrd_close(rrd_file);
396 err_free:
397 rrd_free(&rrd);
398 return (data);
399 }
402 void rrd_info_print(
403 rrd_info_t * data)
404 {
405 while (data) {
406 printf("%s = ", data->key);
408 switch (data->type) {
409 case RD_I_VAL:
410 if (isnan(data->value.u_val))
411 printf("NaN\n");
412 else
413 printf("%0.10e\n", data->value.u_val);
414 break;
415 case RD_I_CNT:
416 printf("%lu\n", data->value.u_cnt);
417 break;
418 case RD_I_INT:
419 printf("%d\n", data->value.u_int);
420 break;
421 case RD_I_STR:
422 printf("\"%s\"\n", data->value.u_str);
423 break;
424 case RD_I_BLO:
425 printf("BLOB_SIZE:%lu\n", data->value.u_blo.size);
426 fwrite(data->value.u_blo.ptr, data->value.u_blo.size, 1, stdout);
427 break;
428 }
429 data = data->next;
430 }
431 }
433 void rrd_info_free(
434 rrd_info_t * data)
435 {
436 rrd_info_t *save;
438 while (data) {
439 save = data;
440 if (data->key) {
441 if (data->type == RD_I_STR) {
442 free(data->value.u_str);
443 }
444 if (data->type == RD_I_BLO) {
445 free(data->value.u_blo.ptr);
446 }
447 free(data->key);
448 }
449 data = data->next;
450 free(save);
451 }
452 }