679b02402dfcfa8e68aa663d5459d201890eb0d6
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 int maxlen = 1024 + strlen(fmt);
25 char *str = NULL;
26 va_list argp;
27 str = malloc(sizeof(char) * (maxlen + 1));
28 if (str != NULL) {
29 va_start(argp, fmt);
30 #ifdef HAVE_VSNPRINTF
31 vsnprintf(str, maxlen, fmt, argp);
32 #else
33 vsprintf(str, fmt, argp);
34 #endif
35 }
36 va_end(argp);
37 return str;
38 }
40 /* the function formerly known as push was renamed to info_push and later
41 * rrd_info_push because it is now used outside the scope of this file */
42 rrd_info_t
43 * rrd_info_push(rrd_info_t * info,
44 char *key, rrd_info_type_t type, rrd_infoval_t value)
45 {
46 rrd_info_t *next;
48 next = malloc(sizeof(*next));
49 next->next = (rrd_info_t *) 0;
50 if (info)
51 info->next = next;
52 next->type = type;
53 next->key = key;
54 switch (type) {
55 case RD_I_VAL:
56 next->value.u_val = value.u_val;
57 break;
58 case RD_I_CNT:
59 next->value.u_cnt = value.u_cnt;
60 break;
61 case RD_I_INT:
62 next->value.u_int = value.u_int;
63 break;
64 case RD_I_STR:
65 next->value.u_str = malloc(sizeof(char) * (strlen(value.u_str) + 1));
66 strcpy(next->value.u_str, value.u_str);
67 break;
68 case RD_I_BLO:
69 next->value.u_blo.size = value.u_blo.size;
70 next->value.u_blo.ptr =
71 malloc(sizeof(unsigned char) * value.u_blo.size);
72 memcpy(next->value.u_blo.ptr, value.u_blo.ptr, value.u_blo.size);
73 break;
74 }
75 return (next);
76 }
79 rrd_info_t *rrd_info(
80 int argc,
81 char **argv)
82 {
83 rrd_info_t *info;
84 char *opt_daemon = NULL;
85 int status;
87 optind = 0;
88 opterr = 0; /* initialize getopt */
90 while (42) {
91 int opt;
92 int option_index = 0;
93 static struct option long_options[] = {
94 {"daemon", required_argument, 0, 'd'},
95 {0, 0, 0, 0}
96 };
98 opt = getopt_long(argc, argv, "d:", long_options, &option_index);
100 if (opt == EOF)
101 break;
103 switch (opt) {
104 case 'd':
105 if (opt_daemon != NULL)
106 free (opt_daemon);
107 opt_daemon = strdup (optarg);
108 if (opt_daemon == NULL)
109 {
110 rrd_set_error ("strdup failed.");
111 return (NULL);
112 }
113 break;
115 default:
116 rrd_set_error ("Usage: rrdtool %s [--daemon <addr>] <file>",
117 argv[0]);
118 return (NULL);
119 break;
120 }
121 } /* while (42) */
123 if ((argc - optind) != 1) {
124 rrd_set_error ("Usage: rrdtool %s [--daemon <addr>] <file>",
125 argv[0]);
126 return (NULL);
127 }
129 status = rrdc_flush_if_daemon(opt_daemon, argv[optind]);
130 if (opt_daemon) free (opt_daemon);
131 if (status) return (NULL);
133 info = rrd_info_r(argv[optind]);
135 return (info);
136 } /* rrd_info_t *rrd_info */
138 rrd_info_t *rrd_info_r(
139 char *filename)
140 {
141 unsigned int i, ii = 0;
142 rrd_t rrd;
143 rrd_info_t *data = NULL, *cd;
144 rrd_infoval_t info;
145 rrd_file_t *rrd_file;
146 enum cf_en current_cf;
147 enum dst_en current_ds;
149 rrd_file = rrd_open(filename, &rrd, RRD_READONLY);
150 if (rrd_file == NULL)
151 goto err_free;
153 info.u_str = filename;
154 cd = rrd_info_push(NULL, sprintf_alloc("filename"), RD_I_STR, info);
155 data = cd;
157 info.u_str = rrd.stat_head->version;
158 cd = rrd_info_push(cd, sprintf_alloc("rrd_version"), RD_I_STR, info);
160 info.u_cnt = rrd.stat_head->pdp_step;
161 cd = rrd_info_push(cd, sprintf_alloc("step"), RD_I_CNT, info);
163 info.u_cnt = rrd.live_head->last_up;
164 cd = rrd_info_push(cd, sprintf_alloc("last_update"), RD_I_CNT, info);
166 for (i = 0; i < rrd.stat_head->ds_cnt; i++) {
168 info.u_str = rrd.ds_def[i].dst;
169 cd = rrd_info_push(cd, sprintf_alloc("ds[%s].type",
170 rrd.ds_def[i].ds_nam),
171 RD_I_STR, info);
173 current_ds = dst_conv(rrd.ds_def[i].dst);
174 switch (current_ds) {
175 case DST_CDEF:
176 {
177 char *buffer = NULL;
179 rpn_compact2str((rpn_cdefds_t *) &(rrd.ds_def[i].par[DS_cdef]),
180 rrd.ds_def, &buffer);
181 info.u_str = buffer;
182 cd = rrd_info_push(cd,
183 sprintf_alloc("ds[%s].cdef",
184 rrd.ds_def[i].ds_nam), RD_I_STR,
185 info);
186 free(buffer);
187 }
188 break;
189 default:
190 info.u_cnt = rrd.ds_def[i].par[DS_mrhb_cnt].u_cnt;
191 cd = rrd_info_push(cd,
192 sprintf_alloc("ds[%s].minimal_heartbeat",
193 rrd.ds_def[i].ds_nam), RD_I_CNT,
194 info);
196 info.u_val = rrd.ds_def[i].par[DS_min_val].u_val;
197 cd = rrd_info_push(cd,
198 sprintf_alloc("ds[%s].min",
199 rrd.ds_def[i].ds_nam), RD_I_VAL,
200 info);
202 info.u_val = rrd.ds_def[i].par[DS_max_val].u_val;
203 cd = rrd_info_push(cd,
204 sprintf_alloc("ds[%s].max",
205 rrd.ds_def[i].ds_nam), RD_I_VAL,
206 info);
207 break;
208 }
210 info.u_str = rrd.pdp_prep[i].last_ds;
211 cd = rrd_info_push(cd,
212 sprintf_alloc("ds[%s].last_ds",
213 rrd.ds_def[i].ds_nam), RD_I_STR,
214 info);
216 info.u_val = rrd.pdp_prep[i].scratch[PDP_val].u_val;
217 cd = rrd_info_push(cd,
218 sprintf_alloc("ds[%s].value",
219 rrd.ds_def[i].ds_nam), RD_I_VAL,
220 info);
222 info.u_cnt = rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt;
223 cd = rrd_info_push(cd,
224 sprintf_alloc("ds[%s].unknown_sec",
225 rrd.ds_def[i].ds_nam), RD_I_CNT,
226 info);
227 }
229 for (i = 0; i < rrd.stat_head->rra_cnt; i++) {
230 info.u_str = rrd.rra_def[i].cf_nam;
231 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].cf", i), RD_I_STR,
232 info);
233 current_cf = cf_conv(rrd.rra_def[i].cf_nam);
235 info.u_cnt = rrd.rra_def[i].row_cnt;
236 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].rows", i), RD_I_CNT,
237 info);
239 info.u_cnt = rrd.rra_ptr[i].cur_row;
240 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].cur_row", i), RD_I_CNT,
241 info);
243 info.u_cnt = rrd.rra_def[i].pdp_cnt;
244 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].pdp_per_row", i),
245 RD_I_CNT, info);
247 switch (current_cf) {
248 case CF_HWPREDICT:
249 case CF_MHWPREDICT:
250 info.u_val = rrd.rra_def[i].par[RRA_hw_alpha].u_val;
251 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].alpha", i),
252 RD_I_VAL, info);
253 info.u_val = rrd.rra_def[i].par[RRA_hw_beta].u_val;
254 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].beta", i), RD_I_VAL,
255 info);
256 break;
257 case CF_SEASONAL:
258 case CF_DEVSEASONAL:
259 info.u_val = rrd.rra_def[i].par[RRA_seasonal_gamma].u_val;
260 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].gamma", i),
261 RD_I_VAL, info);
262 if (atoi(rrd.stat_head->version) >= 4) {
263 info.u_val =
264 rrd.rra_def[i].par[RRA_seasonal_smoothing_window].u_val;
265 cd = rrd_info_push(cd,
266 sprintf_alloc("rra[%d].smoothing_window",
267 i), RD_I_VAL, info);
268 }
269 break;
270 case CF_FAILURES:
271 info.u_val = rrd.rra_def[i].par[RRA_delta_pos].u_val;
272 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].delta_pos", i),
273 RD_I_VAL, info);
274 info.u_val = rrd.rra_def[i].par[RRA_delta_neg].u_val;
275 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].delta_neg", i),
276 RD_I_VAL, info);
277 info.u_cnt = rrd.rra_def[i].par[RRA_failure_threshold].u_cnt;
278 cd = rrd_info_push(cd,
279 sprintf_alloc("rra[%d].failure_threshold", i),
280 RD_I_CNT, info);
281 info.u_cnt = rrd.rra_def[i].par[RRA_window_len].u_cnt;
282 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].window_length", i),
283 RD_I_CNT, info);
284 break;
285 case CF_DEVPREDICT:
286 break;
287 default:
288 info.u_val = rrd.rra_def[i].par[RRA_cdp_xff_val].u_val;
289 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].xff", i), RD_I_VAL,
290 info);
291 break;
292 }
294 for (ii = 0; ii < rrd.stat_head->ds_cnt; ii++) {
295 switch (current_cf) {
296 case CF_HWPREDICT:
297 case CF_MHWPREDICT:
298 info.u_val =
299 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
300 ii].scratch[CDP_hw_intercept].u_val;
301 cd = rrd_info_push(cd,
302 sprintf_alloc
303 ("rra[%d].cdp_prep[%d].intercept", i, ii),
304 RD_I_VAL, info);
305 info.u_val =
306 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
307 ii].scratch[CDP_hw_slope].u_val;
308 cd = rrd_info_push(cd,
309 sprintf_alloc("rra[%d].cdp_prep[%d].slope",
310 i, ii), RD_I_VAL, info);
311 info.u_cnt =
312 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
313 ii].scratch[CDP_null_count].u_cnt;
314 cd = rrd_info_push(cd,
315 sprintf_alloc
316 ("rra[%d].cdp_prep[%d].NaN_count", i, ii),
317 RD_I_CNT, info);
318 break;
319 case CF_SEASONAL:
320 info.u_val =
321 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
322 ii].scratch[CDP_hw_seasonal].u_val;
323 cd = rrd_info_push(cd,
324 sprintf_alloc
325 ("rra[%d].cdp_prep[%d].seasonal", i, ii),
326 RD_I_VAL, info);
327 break;
328 case CF_DEVSEASONAL:
329 info.u_val =
330 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
331 ii].scratch[CDP_seasonal_deviation].u_val;
332 cd = rrd_info_push(cd,
333 sprintf_alloc
334 ("rra[%d].cdp_prep[%d].deviation", i, ii),
335 RD_I_VAL, info);
336 break;
337 case CF_DEVPREDICT:
338 break;
339 case CF_FAILURES:
340 {
341 unsigned short j;
342 char *violations_array;
343 char history[MAX_FAILURES_WINDOW_LEN + 1];
345 violations_array =
346 (char *) rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
347 ii].scratch;
348 for (j = 0; j < rrd.rra_def[i].par[RRA_window_len].u_cnt; ++j)
349 history[j] = (violations_array[j] == 1) ? '1' : '0';
350 history[j] = '\0';
351 info.u_str = history;
352 cd = rrd_info_push(cd,
353 sprintf_alloc
354 ("rra[%d].cdp_prep[%d].history", i, ii),
355 RD_I_STR, info);
356 }
357 break;
358 default:
359 info.u_val =
360 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
361 ii].scratch[CDP_val].u_val;
362 cd = rrd_info_push(cd,
363 sprintf_alloc("rra[%d].cdp_prep[%d].value",
364 i, ii), RD_I_VAL, info);
365 info.u_cnt =
366 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
367 ii].scratch[CDP_unkn_pdp_cnt].u_cnt;
368 cd = rrd_info_push(cd,
369 sprintf_alloc
370 ("rra[%d].cdp_prep[%d].unknown_datapoints",
371 i, ii), RD_I_CNT, info);
372 break;
373 }
374 }
375 }
377 rrd_close(rrd_file);
378 err_free:
379 rrd_free(&rrd);
380 return (data);
381 }
384 void rrd_info_print(
385 rrd_info_t * data)
386 {
387 while (data) {
388 printf("%s = ", data->key);
390 switch (data->type) {
391 case RD_I_VAL:
392 if (isnan(data->value.u_val))
393 printf("NaN\n");
394 else
395 printf("%0.10e\n", data->value.u_val);
396 break;
397 case RD_I_CNT:
398 printf("%lu\n", data->value.u_cnt);
399 break;
400 case RD_I_INT:
401 printf("%d\n", data->value.u_int);
402 break;
403 case RD_I_STR:
404 printf("\"%s\"\n", data->value.u_str);
405 break;
406 case RD_I_BLO:
407 printf("BLOB_SIZE:%lu\n", data->value.u_blo.size);
408 fwrite(data->value.u_blo.ptr, data->value.u_blo.size, 1, stdout);
409 break;
410 }
411 data = data->next;
412 }
413 }
415 void rrd_info_free(
416 rrd_info_t * data)
417 {
418 rrd_info_t *save;
420 while (data) {
421 save = data;
422 if (data->key) {
423 if (data->type == RD_I_STR) {
424 free(data->value.u_str);
425 }
426 if (data->type == RD_I_BLO) {
427 free(data->value.u_blo.ptr);
428 }
429 free(data->key);
430 }
431 data = data->next;
432 free(save);
433 }
434 }