930898797d550e3e9b5190e8d12bcc8cda0fde42
1 /*****************************************************************************
2 * RRDtool 1.3.1 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 /* proto */
12 rrd_info_t *rrd_info(
13 int,
14 char **);
15 rrd_info_t *rrd_info_r(
16 char *filename);
18 /* allocate memory for string */
19 char *sprintf_alloc(
20 char *fmt,
21 ...)
22 {
23 int maxlen = 1024 + strlen(fmt);
24 char *str = NULL;
25 va_list argp;
26 str = malloc(sizeof(char) * (maxlen + 1));
27 if (str != NULL) {
28 va_start(argp, fmt);
29 #ifdef HAVE_VSNPRINTF
30 vsnprintf(str, maxlen, fmt, argp);
31 #else
32 vsprintf(str, fmt, argp);
33 #endif
34 }
35 va_end(argp);
36 return str;
37 }
39 /* the function formerly known as push was renamed to info_push and later
40 * rrd_info_push because it is now used outside the scope of this file */
41 rrd_info_t
42 * rrd_info_push(rrd_info_t * info,
43 char *key, rrd_info_type_t type, rrd_infoval_t value)
44 {
45 rrd_info_t *next;
47 next = malloc(sizeof(*next));
48 next->next = (rrd_info_t *) 0;
49 if (info)
50 info->next = next;
51 next->type = type;
52 next->key = key;
53 switch (type) {
54 case RD_I_VAL:
55 next->value.u_val = value.u_val;
56 break;
57 case RD_I_CNT:
58 next->value.u_cnt = value.u_cnt;
59 break;
60 case RD_I_INT:
61 next->value.u_int = value.u_int;
62 break;
63 case RD_I_STR:
64 next->value.u_str = malloc(sizeof(char) * (strlen(value.u_str) + 1));
65 strcpy(next->value.u_str, value.u_str);
66 break;
67 case RD_I_BLO:
68 next->value.u_blo.size = value.u_blo.size;
69 next->value.u_blo.ptr =
70 malloc(sizeof(unsigned char) * value.u_blo.size);
71 memcpy(next->value.u_blo.ptr, value.u_blo.ptr, value.u_blo.size);
72 break;
73 }
74 return (next);
75 }
78 rrd_info_t *rrd_info(
79 int argc,
80 char **argv)
81 {
82 rrd_info_t *info;
84 if (argc < 2) {
85 rrd_set_error("please specify an rrd");
86 return NULL;
87 }
89 info = rrd_info_r(argv[1]);
91 return (info);
92 }
96 rrd_info_t *rrd_info_r(
97 char *filename)
98 {
99 unsigned int i, ii = 0;
100 rrd_t rrd;
101 rrd_info_t *data = NULL, *cd;
102 rrd_infoval_t info;
103 rrd_file_t *rrd_file;
104 enum cf_en current_cf;
105 enum dst_en current_ds;
107 rrd_file = rrd_open(filename, &rrd, RRD_READONLY);
108 if (rrd_file == NULL)
109 goto err_free;
111 info.u_str = filename;
112 cd = rrd_info_push(NULL, sprintf_alloc("filename"), RD_I_STR, info);
113 data = cd;
115 info.u_str = rrd.stat_head->version;
116 cd = rrd_info_push(cd, sprintf_alloc("rrd_version"), RD_I_STR, info);
118 info.u_cnt = rrd.stat_head->pdp_step;
119 cd = rrd_info_push(cd, sprintf_alloc("step"), RD_I_CNT, info);
121 info.u_cnt = rrd.live_head->last_up;
122 cd = rrd_info_push(cd, sprintf_alloc("last_update"), RD_I_CNT, info);
124 for (i = 0; i < rrd.stat_head->ds_cnt; i++) {
126 info.u_str = rrd.ds_def[i].dst;
127 cd = rrd_info_push(cd, sprintf_alloc("ds[%s].type",
128 rrd.ds_def[i].ds_nam),
129 RD_I_STR, info);
131 current_ds = dst_conv(rrd.ds_def[i].dst);
132 switch (current_ds) {
133 case DST_CDEF:
134 {
135 char *buffer = NULL;
137 rpn_compact2str((rpn_cdefds_t *) &(rrd.ds_def[i].par[DS_cdef]),
138 rrd.ds_def, &buffer);
139 info.u_str = buffer;
140 cd = rrd_info_push(cd,
141 sprintf_alloc("ds[%s].cdef",
142 rrd.ds_def[i].ds_nam), RD_I_STR,
143 info);
144 free(buffer);
145 }
146 break;
147 default:
148 info.u_cnt = rrd.ds_def[i].par[DS_mrhb_cnt].u_cnt;
149 cd = rrd_info_push(cd,
150 sprintf_alloc("ds[%s].minimal_heartbeat",
151 rrd.ds_def[i].ds_nam), RD_I_CNT,
152 info);
154 info.u_val = rrd.ds_def[i].par[DS_min_val].u_val;
155 cd = rrd_info_push(cd,
156 sprintf_alloc("ds[%s].min",
157 rrd.ds_def[i].ds_nam), RD_I_VAL,
158 info);
160 info.u_val = rrd.ds_def[i].par[DS_max_val].u_val;
161 cd = rrd_info_push(cd,
162 sprintf_alloc("ds[%s].max",
163 rrd.ds_def[i].ds_nam), RD_I_VAL,
164 info);
165 break;
166 }
168 info.u_str = rrd.pdp_prep[i].last_ds;
169 cd = rrd_info_push(cd,
170 sprintf_alloc("ds[%s].last_ds",
171 rrd.ds_def[i].ds_nam), RD_I_STR,
172 info);
174 info.u_val = rrd.pdp_prep[i].scratch[PDP_val].u_val;
175 cd = rrd_info_push(cd,
176 sprintf_alloc("ds[%s].value",
177 rrd.ds_def[i].ds_nam), RD_I_VAL,
178 info);
180 info.u_cnt = rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt;
181 cd = rrd_info_push(cd,
182 sprintf_alloc("ds[%s].unknown_sec",
183 rrd.ds_def[i].ds_nam), RD_I_CNT,
184 info);
185 }
187 for (i = 0; i < rrd.stat_head->rra_cnt; i++) {
188 info.u_str = rrd.rra_def[i].cf_nam;
189 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].cf", i), RD_I_STR,
190 info);
191 current_cf = cf_conv(rrd.rra_def[i].cf_nam);
193 info.u_cnt = rrd.rra_def[i].row_cnt;
194 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].rows", i), RD_I_CNT,
195 info);
197 info.u_cnt = rrd.rra_ptr[i].cur_row;
198 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].cur_row", i), RD_I_CNT,
199 info);
201 info.u_cnt = rrd.rra_def[i].pdp_cnt;
202 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].pdp_per_row", i),
203 RD_I_CNT, info);
205 switch (current_cf) {
206 case CF_HWPREDICT:
207 case CF_MHWPREDICT:
208 info.u_val = rrd.rra_def[i].par[RRA_hw_alpha].u_val;
209 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].alpha", i),
210 RD_I_VAL, info);
211 info.u_val = rrd.rra_def[i].par[RRA_hw_beta].u_val;
212 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].beta", i), RD_I_VAL,
213 info);
214 break;
215 case CF_SEASONAL:
216 case CF_DEVSEASONAL:
217 info.u_val = rrd.rra_def[i].par[RRA_seasonal_gamma].u_val;
218 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].gamma", i),
219 RD_I_VAL, info);
220 if (atoi(rrd.stat_head->version) >= 4) {
221 info.u_val =
222 rrd.rra_def[i].par[RRA_seasonal_smoothing_window].u_val;
223 cd = rrd_info_push(cd,
224 sprintf_alloc("rra[%d].smoothing_window",
225 i), RD_I_VAL, info);
226 }
227 break;
228 case CF_FAILURES:
229 info.u_val = rrd.rra_def[i].par[RRA_delta_pos].u_val;
230 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].delta_pos", i),
231 RD_I_VAL, info);
232 info.u_val = rrd.rra_def[i].par[RRA_delta_neg].u_val;
233 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].delta_neg", i),
234 RD_I_VAL, info);
235 info.u_cnt = rrd.rra_def[i].par[RRA_failure_threshold].u_cnt;
236 cd = rrd_info_push(cd,
237 sprintf_alloc("rra[%d].failure_threshold", i),
238 RD_I_CNT, info);
239 info.u_cnt = rrd.rra_def[i].par[RRA_window_len].u_cnt;
240 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].window_length", i),
241 RD_I_CNT, info);
242 break;
243 case CF_DEVPREDICT:
244 break;
245 default:
246 info.u_val = rrd.rra_def[i].par[RRA_cdp_xff_val].u_val;
247 cd = rrd_info_push(cd, sprintf_alloc("rra[%d].xff", i), RD_I_VAL,
248 info);
249 break;
250 }
252 for (ii = 0; ii < rrd.stat_head->ds_cnt; ii++) {
253 switch (current_cf) {
254 case CF_HWPREDICT:
255 case CF_MHWPREDICT:
256 info.u_val =
257 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
258 ii].scratch[CDP_hw_intercept].u_val;
259 cd = rrd_info_push(cd,
260 sprintf_alloc
261 ("rra[%d].cdp_prep[%d].intercept", i, ii),
262 RD_I_VAL, info);
263 info.u_val =
264 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
265 ii].scratch[CDP_hw_slope].u_val;
266 cd = rrd_info_push(cd,
267 sprintf_alloc("rra[%d].cdp_prep[%d].slope",
268 i, ii), RD_I_VAL, info);
269 info.u_cnt =
270 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
271 ii].scratch[CDP_null_count].u_cnt;
272 cd = rrd_info_push(cd,
273 sprintf_alloc
274 ("rra[%d].cdp_prep[%d].NaN_count", i, ii),
275 RD_I_CNT, info);
276 break;
277 case CF_SEASONAL:
278 info.u_val =
279 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
280 ii].scratch[CDP_hw_seasonal].u_val;
281 cd = rrd_info_push(cd,
282 sprintf_alloc
283 ("rra[%d].cdp_prep[%d].seasonal", i, ii),
284 RD_I_VAL, info);
285 break;
286 case CF_DEVSEASONAL:
287 info.u_val =
288 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
289 ii].scratch[CDP_seasonal_deviation].u_val;
290 cd = rrd_info_push(cd,
291 sprintf_alloc
292 ("rra[%d].cdp_prep[%d].deviation", i, ii),
293 RD_I_VAL, info);
294 break;
295 case CF_DEVPREDICT:
296 break;
297 case CF_FAILURES:
298 {
299 unsigned short j;
300 char *violations_array;
301 char history[MAX_FAILURES_WINDOW_LEN + 1];
303 violations_array =
304 (char *) rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
305 ii].scratch;
306 for (j = 0; j < rrd.rra_def[i].par[RRA_window_len].u_cnt; ++j)
307 history[j] = (violations_array[j] == 1) ? '1' : '0';
308 history[j] = '\0';
309 info.u_str = history;
310 cd = rrd_info_push(cd,
311 sprintf_alloc
312 ("rra[%d].cdp_prep[%d].history", i, ii),
313 RD_I_STR, info);
314 }
315 break;
316 default:
317 info.u_val =
318 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
319 ii].scratch[CDP_val].u_val;
320 cd = rrd_info_push(cd,
321 sprintf_alloc("rra[%d].cdp_prep[%d].value",
322 i, ii), RD_I_VAL, info);
323 info.u_cnt =
324 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
325 ii].scratch[CDP_unkn_pdp_cnt].u_cnt;
326 cd = rrd_info_push(cd,
327 sprintf_alloc
328 ("rra[%d].cdp_prep[%d].unknown_datapoints",
329 i, ii), RD_I_CNT, info);
330 break;
331 }
332 }
333 }
335 rrd_close(rrd_file);
336 err_free:
337 rrd_free(&rrd);
338 return (data);
339 }
342 void rrd_info_print(
343 rrd_info_t * data)
344 {
345 while (data) {
346 printf("%s = ", data->key);
348 switch (data->type) {
349 case RD_I_VAL:
350 if (isnan(data->value.u_val))
351 printf("NaN\n");
352 else
353 printf("%0.10e\n", data->value.u_val);
354 break;
355 case RD_I_CNT:
356 printf("%lu\n", data->value.u_cnt);
357 break;
358 case RD_I_INT:
359 printf("%d\n", data->value.u_int);
360 break;
361 case RD_I_STR:
362 printf("\"%s\"\n", data->value.u_str);
363 break;
364 case RD_I_BLO:
365 printf("BLOB_SIZE:%lu\n", data->value.u_blo.size);
366 fwrite(data->value.u_blo.ptr, data->value.u_blo.size, 1, stdout);
367 break;
368 }
369 data = data->next;
370 }
371 }
373 void rrd_info_free(
374 rrd_info_t * data)
375 {
376 rrd_info_t *save;
378 while (data) {
379 save = data;
380 if (data->key) {
381 if (data->type == RD_I_STR) {
382 free(data->value.u_str);
383 }
384 if (data->type == RD_I_BLO) {
385 free(data->value.u_blo.ptr);
386 }
387 free(data->key);
388 }
389 data = data->next;
390 free(save);
391 }
392 }