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 = (char*)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 = (rrd_info_t*)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 = (char*)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 (unsigned char *)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_init(&rrd);
150 rrd_file = rrd_open(filename, &rrd, RRD_READONLY);
151 if (rrd_file == NULL)
152 goto err_free;
154 info.u_str = filename;
155 cd = rrd_info_push(NULL, sprintf_alloc("filename"), RD_I_STR, info);
156 data = cd;
158 info.u_str = rrd.stat_head->version;
159 cd = rrd_info_push(cd, sprintf_alloc("rrd_version"), RD_I_STR, info);
161 info.u_cnt = rrd.stat_head->pdp_step;
162 cd = rrd_info_push(cd, sprintf_alloc("step"), RD_I_CNT, info);
164 info.u_cnt = rrd.live_head->last_up;
165 cd = rrd_info_push(cd, sprintf_alloc("last_update"), RD_I_CNT, info);
167 for (i = 0; i < rrd.stat_head->ds_cnt; i++) {
169 info.u_str = rrd.ds_def[i].dst;
170 cd = rrd_info_push(cd, sprintf_alloc("ds[%s].type",
171 rrd.ds_def[i].ds_nam),
172 RD_I_STR, info);
174 current_ds = dst_conv(rrd.ds_def[i].dst);
175 switch (current_ds) {
176 case DST_CDEF:
177 {
178 char *buffer = NULL;
180 rpn_compact2str((rpn_cdefds_t *) &(rrd.ds_def[i].par[DS_cdef]),
181 rrd.ds_def, &buffer);
182 info.u_str = buffer;
183 cd = rrd_info_push(cd,
184 sprintf_alloc("ds[%s].cdef",
185 rrd.ds_def[i].ds_nam), RD_I_STR,
186 info);
187 free(buffer);
188 }
189 break;
190 default:
191 info.u_cnt = rrd.ds_def[i].par[DS_mrhb_cnt].u_cnt;
192 cd = rrd_info_push(cd,
193 sprintf_alloc("ds[%s].minimal_heartbeat",
194 rrd.ds_def[i].ds_nam), RD_I_CNT,
195 info);
197 info.u_val = rrd.ds_def[i].par[DS_min_val].u_val;
198 cd = rrd_info_push(cd,
199 sprintf_alloc("ds[%s].min",
200 rrd.ds_def[i].ds_nam), RD_I_VAL,
201 info);
203 info.u_val = rrd.ds_def[i].par[DS_max_val].u_val;
204 cd = rrd_info_push(cd,
205 sprintf_alloc("ds[%s].max",
206 rrd.ds_def[i].ds_nam), RD_I_VAL,
207 info);
208 break;
209 }
211 info.u_str = rrd.pdp_prep[i].last_ds;
212 cd = rrd_info_push(cd,
213 sprintf_alloc("ds[%s].last_ds",
214 rrd.ds_def[i].ds_nam), RD_I_STR,
215 info);
217 info.u_val = rrd.pdp_prep[i].scratch[PDP_val].u_val;
218 cd = rrd_info_push(cd,
219 sprintf_alloc("ds[%s].value",
220 rrd.ds_def[i].ds_nam), RD_I_VAL,
221 info);
223 info.u_cnt = rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt;
224 cd = rrd_info_push(cd,
225 sprintf_alloc("ds[%s].unknown_sec",
226 rrd.ds_def[i].ds_nam), RD_I_CNT,
227 info);
228 }
230 for (i = 0; i < rrd.stat_head->rra_cnt; i++) {
231 info.u_str = rrd.rra_def[i].cf_nam;
232 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].cf", i), RD_I_STR,
233 info);
234 current_cf = cf_conv(rrd.rra_def[i].cf_nam);
236 info.u_cnt = rrd.rra_def[i].row_cnt;
237 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].rows", i), RD_I_CNT,
238 info);
240 info.u_cnt = rrd.rra_ptr[i].cur_row;
241 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].cur_row", i), RD_I_CNT,
242 info);
244 info.u_cnt = rrd.rra_def[i].pdp_cnt;
245 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].pdp_per_row", i),
246 RD_I_CNT, info);
248 switch (current_cf) {
249 case CF_HWPREDICT:
250 case CF_MHWPREDICT:
251 info.u_val = rrd.rra_def[i].par[RRA_hw_alpha].u_val;
252 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].alpha", i),
253 RD_I_VAL, info);
254 info.u_val = rrd.rra_def[i].par[RRA_hw_beta].u_val;
255 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].beta", i), RD_I_VAL,
256 info);
257 break;
258 case CF_SEASONAL:
259 case CF_DEVSEASONAL:
260 info.u_val = rrd.rra_def[i].par[RRA_seasonal_gamma].u_val;
261 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].gamma", i),
262 RD_I_VAL, info);
263 if (atoi(rrd.stat_head->version) >= 4) {
264 info.u_val =
265 rrd.rra_def[i].par[RRA_seasonal_smoothing_window].u_val;
266 cd = rrd_info_push(cd,
267 sprintf_alloc("rra[%d].smoothing_window",
268 i), RD_I_VAL, info);
269 }
270 break;
271 case CF_FAILURES:
272 info.u_val = rrd.rra_def[i].par[RRA_delta_pos].u_val;
273 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].delta_pos", i),
274 RD_I_VAL, info);
275 info.u_val = rrd.rra_def[i].par[RRA_delta_neg].u_val;
276 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].delta_neg", i),
277 RD_I_VAL, info);
278 info.u_cnt = rrd.rra_def[i].par[RRA_failure_threshold].u_cnt;
279 cd = rrd_info_push(cd,
280 sprintf_alloc("rra[%d].failure_threshold", i),
281 RD_I_CNT, info);
282 info.u_cnt = rrd.rra_def[i].par[RRA_window_len].u_cnt;
283 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].window_length", i),
284 RD_I_CNT, info);
285 break;
286 case CF_DEVPREDICT:
287 break;
288 default:
289 info.u_val = rrd.rra_def[i].par[RRA_cdp_xff_val].u_val;
290 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].xff", i), RD_I_VAL,
291 info);
292 break;
293 }
295 for (ii = 0; ii < rrd.stat_head->ds_cnt; ii++) {
296 switch (current_cf) {
297 case CF_HWPREDICT:
298 case CF_MHWPREDICT:
299 info.u_val =
300 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
301 ii].scratch[CDP_hw_intercept].u_val;
302 cd = rrd_info_push(cd,
303 sprintf_alloc
304 ("rra[%d].cdp_prep[%d].intercept", i, ii),
305 RD_I_VAL, info);
306 info.u_val =
307 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
308 ii].scratch[CDP_hw_slope].u_val;
309 cd = rrd_info_push(cd,
310 sprintf_alloc("rra[%d].cdp_prep[%d].slope",
311 i, ii), RD_I_VAL, info);
312 info.u_cnt =
313 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
314 ii].scratch[CDP_null_count].u_cnt;
315 cd = rrd_info_push(cd,
316 sprintf_alloc
317 ("rra[%d].cdp_prep[%d].NaN_count", i, ii),
318 RD_I_CNT, info);
319 break;
320 case CF_SEASONAL:
321 info.u_val =
322 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
323 ii].scratch[CDP_hw_seasonal].u_val;
324 cd = rrd_info_push(cd,
325 sprintf_alloc
326 ("rra[%d].cdp_prep[%d].seasonal", i, ii),
327 RD_I_VAL, info);
328 break;
329 case CF_DEVSEASONAL:
330 info.u_val =
331 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
332 ii].scratch[CDP_seasonal_deviation].u_val;
333 cd = rrd_info_push(cd,
334 sprintf_alloc
335 ("rra[%d].cdp_prep[%d].deviation", i, ii),
336 RD_I_VAL, info);
337 break;
338 case CF_DEVPREDICT:
339 break;
340 case CF_FAILURES:
341 {
342 unsigned short j;
343 char *violations_array;
344 char history[MAX_FAILURES_WINDOW_LEN + 1];
346 violations_array =
347 (char *) rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
348 ii].scratch;
349 for (j = 0; j < rrd.rra_def[i].par[RRA_window_len].u_cnt; ++j)
350 history[j] = (violations_array[j] == 1) ? '1' : '0';
351 history[j] = '\0';
352 info.u_str = history;
353 cd = rrd_info_push(cd,
354 sprintf_alloc
355 ("rra[%d].cdp_prep[%d].history", i, ii),
356 RD_I_STR, info);
357 }
358 break;
359 default:
360 info.u_val =
361 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
362 ii].scratch[CDP_val].u_val;
363 cd = rrd_info_push(cd,
364 sprintf_alloc("rra[%d].cdp_prep[%d].value",
365 i, ii), RD_I_VAL, info);
366 info.u_cnt =
367 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
368 ii].scratch[CDP_unkn_pdp_cnt].u_cnt;
369 cd = rrd_info_push(cd,
370 sprintf_alloc
371 ("rra[%d].cdp_prep[%d].unknown_datapoints",
372 i, ii), RD_I_CNT, info);
373 break;
374 }
375 }
376 }
378 rrd_close(rrd_file);
379 err_free:
380 rrd_free(&rrd);
381 return (data);
382 }
385 void rrd_info_print(
386 rrd_info_t * data)
387 {
388 while (data) {
389 printf("%s = ", data->key);
391 switch (data->type) {
392 case RD_I_VAL:
393 if (isnan(data->value.u_val))
394 printf("NaN\n");
395 else
396 printf("%0.10e\n", data->value.u_val);
397 break;
398 case RD_I_CNT:
399 printf("%lu\n", data->value.u_cnt);
400 break;
401 case RD_I_INT:
402 printf("%d\n", data->value.u_int);
403 break;
404 case RD_I_STR:
405 printf("\"%s\"\n", data->value.u_str);
406 break;
407 case RD_I_BLO:
408 printf("BLOB_SIZE:%lu\n", data->value.u_blo.size);
409 fwrite(data->value.u_blo.ptr, data->value.u_blo.size, 1, stdout);
410 break;
411 }
412 data = data->next;
413 }
414 }
416 void rrd_info_free(
417 rrd_info_t * data)
418 {
419 rrd_info_t *save;
421 while (data) {
422 save = data;
423 if (data->key) {
424 if (data->type == RD_I_STR) {
425 free(data->value.u_str);
426 }
427 if (data->type == RD_I_BLO) {
428 free(data->value.u_blo.ptr);
429 }
430 free(data->key);
431 }
432 data = data->next;
433 free(save);
434 }
435 }