1 /*****************************************************************************
2 * RRDtool 1.3.4 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 <stdarg.h>
11 #ifdef WIN32
12 #include <stdlib.h>
13 #endif
15 /* proto */
16 rrd_info_t *rrd_info(
17 int,
18 char **);
19 rrd_info_t *rrd_info_r(
20 char *filename);
22 /* allocate memory for string */
23 char *sprintf_alloc(
24 char *fmt,
25 ...)
26 {
27 int maxlen = 1024 + strlen(fmt);
28 char *str = NULL;
29 va_list argp;
30 str = (char*)(malloc(sizeof(char) * (maxlen + 1)));
31 if (str != NULL) {
32 va_start(argp, fmt);
33 #ifdef HAVE_VSNPRINTF
34 vsnprintf(str, maxlen, fmt, argp);
35 #else
36 vsprintf(str, fmt, argp);
37 #endif
38 }
39 va_end(argp);
40 return str;
41 }
43 /* the function formerly known as push was renamed to info_push and later
44 * rrd_info_push because it is now used outside the scope of this file */
45 rrd_info_t
46 * rrd_info_push(rrd_info_t * info,
47 char *key, rrd_info_type_t type, rrd_infoval_t value)
48 {
49 rrd_info_t *next;
51 next = (rrd_info_t*)(malloc(sizeof(*next)));
52 next->next = (rrd_info_t *) 0;
53 if (info)
54 info->next = next;
55 next->type = type;
56 next->key = key;
57 switch (type) {
58 case RD_I_VAL:
59 next->value.u_val = value.u_val;
60 break;
61 case RD_I_CNT:
62 next->value.u_cnt = value.u_cnt;
63 break;
64 case RD_I_INT:
65 next->value.u_int = value.u_int;
66 break;
67 case RD_I_STR:
68 next->value.u_str = (char*)(malloc(sizeof(char) * (strlen(value.u_str) + 1)));
69 strcpy(next->value.u_str, value.u_str);
70 break;
71 case RD_I_BLO:
72 next->value.u_blo.size = value.u_blo.size;
73 next->value.u_blo.ptr =
74 (unsigned char*)malloc(sizeof(unsigned char) * value.u_blo.size);
75 memcpy(next->value.u_blo.ptr, value.u_blo.ptr, value.u_blo.size);
76 break;
77 }
78 return (next);
79 }
82 rrd_info_t *rrd_info(
83 int argc,
84 char **argv)
85 {
86 rrd_info_t *info;
88 if (argc < 2) {
89 rrd_set_error("please specify an rrd");
90 return NULL;
91 }
93 info = rrd_info_r(argv[1]);
95 return (info);
96 }
100 rrd_info_t *rrd_info_r(
101 char *filename)
102 {
103 unsigned int i, ii = 0;
104 rrd_t rrd;
105 rrd_info_t *data = NULL, *cd;
106 rrd_infoval_t info;
107 rrd_file_t *rrd_file;
108 enum cf_en current_cf;
109 enum dst_en current_ds;
111 rrd_file = rrd_open(filename, &rrd, RRD_READONLY);
112 if (rrd_file == NULL)
113 goto err_free;
115 info.u_str = filename;
116 cd = rrd_info_push(NULL, sprintf_alloc("filename"), RD_I_STR, info);
117 data = cd;
119 info.u_str = rrd.stat_head->version;
120 cd = rrd_info_push(cd, sprintf_alloc("rrd_version"), RD_I_STR, info);
122 info.u_cnt = rrd.stat_head->pdp_step;
123 cd = rrd_info_push(cd, sprintf_alloc("step"), RD_I_CNT, info);
125 info.u_cnt = rrd.live_head->last_up;
126 cd = rrd_info_push(cd, sprintf_alloc("last_update"), RD_I_CNT, info);
128 for (i = 0; i < rrd.stat_head->ds_cnt; i++) {
130 info.u_str = rrd.ds_def[i].dst;
131 cd = rrd_info_push(cd, sprintf_alloc("ds[%s].type",
132 rrd.ds_def[i].ds_nam),
133 RD_I_STR, info);
135 current_ds = dst_conv(rrd.ds_def[i].dst);
136 switch (current_ds) {
137 case DST_CDEF:
138 {
139 char *buffer = NULL;
141 rpn_compact2str((rpn_cdefds_t *) &(rrd.ds_def[i].par[DS_cdef]),
142 rrd.ds_def, &buffer);
143 info.u_str = buffer;
144 cd = rrd_info_push(cd,
145 sprintf_alloc("ds[%s].cdef",
146 rrd.ds_def[i].ds_nam), RD_I_STR,
147 info);
148 free(buffer);
149 }
150 break;
151 default:
152 info.u_cnt = rrd.ds_def[i].par[DS_mrhb_cnt].u_cnt;
153 cd = rrd_info_push(cd,
154 sprintf_alloc("ds[%s].minimal_heartbeat",
155 rrd.ds_def[i].ds_nam), RD_I_CNT,
156 info);
158 info.u_val = rrd.ds_def[i].par[DS_min_val].u_val;
159 cd = rrd_info_push(cd,
160 sprintf_alloc("ds[%s].min",
161 rrd.ds_def[i].ds_nam), RD_I_VAL,
162 info);
164 info.u_val = rrd.ds_def[i].par[DS_max_val].u_val;
165 cd = rrd_info_push(cd,
166 sprintf_alloc("ds[%s].max",
167 rrd.ds_def[i].ds_nam), RD_I_VAL,
168 info);
169 break;
170 }
172 info.u_str = rrd.pdp_prep[i].last_ds;
173 cd = rrd_info_push(cd,
174 sprintf_alloc("ds[%s].last_ds",
175 rrd.ds_def[i].ds_nam), RD_I_STR,
176 info);
178 info.u_val = rrd.pdp_prep[i].scratch[PDP_val].u_val;
179 cd = rrd_info_push(cd,
180 sprintf_alloc("ds[%s].value",
181 rrd.ds_def[i].ds_nam), RD_I_VAL,
182 info);
184 info.u_cnt = rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt;
185 cd = rrd_info_push(cd,
186 sprintf_alloc("ds[%s].unknown_sec",
187 rrd.ds_def[i].ds_nam), RD_I_CNT,
188 info);
189 }
191 for (i = 0; i < rrd.stat_head->rra_cnt; i++) {
192 info.u_str = rrd.rra_def[i].cf_nam;
193 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].cf", i), RD_I_STR,
194 info);
195 current_cf = cf_conv(rrd.rra_def[i].cf_nam);
197 info.u_cnt = rrd.rra_def[i].row_cnt;
198 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].rows", i), RD_I_CNT,
199 info);
201 info.u_cnt = rrd.rra_ptr[i].cur_row;
202 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].cur_row", i), RD_I_CNT,
203 info);
205 info.u_cnt = rrd.rra_def[i].pdp_cnt;
206 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].pdp_per_row", i),
207 RD_I_CNT, info);
209 switch (current_cf) {
210 case CF_HWPREDICT:
211 case CF_MHWPREDICT:
212 info.u_val = rrd.rra_def[i].par[RRA_hw_alpha].u_val;
213 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].alpha", i),
214 RD_I_VAL, info);
215 info.u_val = rrd.rra_def[i].par[RRA_hw_beta].u_val;
216 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].beta", i), RD_I_VAL,
217 info);
218 break;
219 case CF_SEASONAL:
220 case CF_DEVSEASONAL:
221 info.u_val = rrd.rra_def[i].par[RRA_seasonal_gamma].u_val;
222 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].gamma", i),
223 RD_I_VAL, info);
224 if (atoi(rrd.stat_head->version) >= 4) {
225 info.u_val =
226 rrd.rra_def[i].par[RRA_seasonal_smoothing_window].u_val;
227 cd = rrd_info_push(cd,
228 sprintf_alloc("rra[%d].smoothing_window",
229 i), RD_I_VAL, info);
230 }
231 break;
232 case CF_FAILURES:
233 info.u_val = rrd.rra_def[i].par[RRA_delta_pos].u_val;
234 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].delta_pos", i),
235 RD_I_VAL, info);
236 info.u_val = rrd.rra_def[i].par[RRA_delta_neg].u_val;
237 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].delta_neg", i),
238 RD_I_VAL, info);
239 info.u_cnt = rrd.rra_def[i].par[RRA_failure_threshold].u_cnt;
240 cd = rrd_info_push(cd,
241 sprintf_alloc("rra[%d].failure_threshold", i),
242 RD_I_CNT, info);
243 info.u_cnt = rrd.rra_def[i].par[RRA_window_len].u_cnt;
244 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].window_length", i),
245 RD_I_CNT, info);
246 break;
247 case CF_DEVPREDICT:
248 break;
249 default:
250 info.u_val = rrd.rra_def[i].par[RRA_cdp_xff_val].u_val;
251 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].xff", i), RD_I_VAL,
252 info);
253 break;
254 }
256 for (ii = 0; ii < rrd.stat_head->ds_cnt; ii++) {
257 switch (current_cf) {
258 case CF_HWPREDICT:
259 case CF_MHWPREDICT:
260 info.u_val =
261 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
262 ii].scratch[CDP_hw_intercept].u_val;
263 cd = rrd_info_push(cd,
264 sprintf_alloc
265 ("rra[%d].cdp_prep[%d].intercept", i, ii),
266 RD_I_VAL, info);
267 info.u_val =
268 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
269 ii].scratch[CDP_hw_slope].u_val;
270 cd = rrd_info_push(cd,
271 sprintf_alloc("rra[%d].cdp_prep[%d].slope",
272 i, ii), RD_I_VAL, info);
273 info.u_cnt =
274 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
275 ii].scratch[CDP_null_count].u_cnt;
276 cd = rrd_info_push(cd,
277 sprintf_alloc
278 ("rra[%d].cdp_prep[%d].NaN_count", i, ii),
279 RD_I_CNT, info);
280 break;
281 case CF_SEASONAL:
282 info.u_val =
283 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
284 ii].scratch[CDP_hw_seasonal].u_val;
285 cd = rrd_info_push(cd,
286 sprintf_alloc
287 ("rra[%d].cdp_prep[%d].seasonal", i, ii),
288 RD_I_VAL, info);
289 break;
290 case CF_DEVSEASONAL:
291 info.u_val =
292 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
293 ii].scratch[CDP_seasonal_deviation].u_val;
294 cd = rrd_info_push(cd,
295 sprintf_alloc
296 ("rra[%d].cdp_prep[%d].deviation", i, ii),
297 RD_I_VAL, info);
298 break;
299 case CF_DEVPREDICT:
300 break;
301 case CF_FAILURES:
302 {
303 unsigned short j;
304 char *violations_array;
305 char history[MAX_FAILURES_WINDOW_LEN + 1];
307 violations_array =
308 (char *) rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
309 ii].scratch;
310 for (j = 0; j < rrd.rra_def[i].par[RRA_window_len].u_cnt; ++j)
311 history[j] = (violations_array[j] == 1) ? '1' : '0';
312 history[j] = '\0';
313 info.u_str = history;
314 cd = rrd_info_push(cd,
315 sprintf_alloc
316 ("rra[%d].cdp_prep[%d].history", i, ii),
317 RD_I_STR, info);
318 }
319 break;
320 default:
321 info.u_val =
322 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
323 ii].scratch[CDP_val].u_val;
324 cd = rrd_info_push(cd,
325 sprintf_alloc("rra[%d].cdp_prep[%d].value",
326 i, ii), RD_I_VAL, info);
327 info.u_cnt =
328 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
329 ii].scratch[CDP_unkn_pdp_cnt].u_cnt;
330 cd = rrd_info_push(cd,
331 sprintf_alloc
332 ("rra[%d].cdp_prep[%d].unknown_datapoints",
333 i, ii), RD_I_CNT, info);
334 break;
335 }
336 }
337 }
339 rrd_close(rrd_file);
340 err_free:
341 rrd_free(&rrd);
342 return (data);
343 }
346 void rrd_info_print(
347 rrd_info_t * data)
348 {
349 while (data) {
350 printf("%s = ", data->key);
352 switch (data->type) {
353 case RD_I_VAL:
354 if (isnan(data->value.u_val))
355 printf("NaN\n");
356 else
357 printf("%0.10e\n", data->value.u_val);
358 break;
359 case RD_I_CNT:
360 printf("%lu\n", data->value.u_cnt);
361 break;
362 case RD_I_INT:
363 printf("%d\n", data->value.u_int);
364 break;
365 case RD_I_STR:
366 printf("\"%s\"\n", data->value.u_str);
367 break;
368 case RD_I_BLO:
369 printf("BLOB_SIZE:%lu\n", data->value.u_blo.size);
370 fwrite(data->value.u_blo.ptr, data->value.u_blo.size, 1, stdout);
371 break;
372 }
373 data = data->next;
374 }
375 }
377 void rrd_info_free(
378 rrd_info_t * data)
379 {
380 rrd_info_t *save;
382 while (data) {
383 save = data;
384 if (data->key) {
385 if (data->type == RD_I_STR) {
386 free(data->value.u_str);
387 }
388 if (data->type == RD_I_BLO) {
389 free(data->value.u_blo.ptr);
390 }
391 free(data->key);
392 }
393 data = data->next;
394 free(save);
395 }
396 }