a48df516a3b780aa5d21e2c1d7f44fa315344317
1 /*****************************************************************************
2 * RRDtool 1.3rc6 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 info_t *rrd_info(
13 int,
14 char **);
15 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 info_push because
40 * it is now used outside the scope of this file */
41 info_t
42 *info_push(
43 info_t *info,
44 char *key,
45 enum info_type type,
46 infoval value)
47 {
48 info_t *next;
50 next = malloc(sizeof(*next));
51 next->next = (info_t *) 0;
52 if (info)
53 info->next = next;
54 next->type = type;
55 next->key = key;
56 switch (type) {
57 case RD_I_VAL:
58 next->value.u_val = value.u_val;
59 break;
60 case RD_I_CNT:
61 next->value.u_cnt = value.u_cnt;
62 break;
63 case RD_I_INT:
64 next->value.u_int = value.u_int;
65 break;
66 case RD_I_STR:
67 next->value.u_str = malloc(sizeof(char) * (strlen(value.u_str) + 1));
68 strcpy(next->value.u_str, value.u_str);
69 break;
70 case RD_I_BLO:
71 next->value.u_blo.size = value.u_blo.size;
72 next->value.u_blo.ptr =
73 malloc(sizeof(unsigned char) * value.u_blo.size);
74 memcpy(next->value.u_blo.ptr, value.u_blo.ptr, value.u_blo.size);
75 break;
76 }
77 return (next);
78 }
81 info_t *rrd_info(
82 int argc,
83 char **argv)
84 {
85 info_t *info;
87 if (argc < 2) {
88 rrd_set_error("please specify an rrd");
89 return NULL;
90 }
92 info = rrd_info_r(argv[1]);
94 return (info);
95 }
99 info_t *rrd_info_r(
100 char *filename)
101 {
102 unsigned int i, ii = 0;
103 rrd_t rrd;
104 info_t *data = NULL, *cd;
105 infoval info;
106 rrd_file_t *rrd_file;
107 enum cf_en current_cf;
108 enum dst_en current_ds;
110 rrd_file = rrd_open(filename, &rrd, RRD_READONLY);
111 if (rrd_file == NULL)
112 goto err_free;
114 info.u_str = filename;
115 cd = info_push(NULL, sprintf_alloc("filename"), RD_I_STR, info);
116 data = cd;
118 info.u_str = rrd.stat_head->version;
119 cd = info_push(cd, sprintf_alloc("rrd_version"), RD_I_STR, info);
121 info.u_cnt = rrd.stat_head->pdp_step;
122 cd = info_push(cd, sprintf_alloc("step"), RD_I_CNT, info);
124 info.u_cnt = rrd.live_head->last_up;
125 cd = info_push(cd, sprintf_alloc("last_update"), RD_I_CNT, info);
127 for (i = 0; i < rrd.stat_head->ds_cnt; i++) {
129 info.u_str = rrd.ds_def[i].dst;
130 cd = info_push(cd, sprintf_alloc("ds[%s].type", rrd.ds_def[i].ds_nam),
131 RD_I_STR, info);
133 current_ds = dst_conv(rrd.ds_def[i].dst);
134 switch (current_ds) {
135 case DST_CDEF:
136 {
137 char *buffer = NULL;
139 rpn_compact2str((rpn_cdefds_t *) &(rrd.ds_def[i].par[DS_cdef]),
140 rrd.ds_def, &buffer);
141 info.u_str = buffer;
142 cd = info_push(cd,
143 sprintf_alloc("ds[%s].cdef", rrd.ds_def[i].ds_nam),
144 RD_I_STR, info);
145 free(buffer);
146 }
147 break;
148 default:
149 info.u_cnt = rrd.ds_def[i].par[DS_mrhb_cnt].u_cnt;
150 cd = info_push(cd,
151 sprintf_alloc("ds[%s].minimal_heartbeat",
152 rrd.ds_def[i].ds_nam), RD_I_CNT,
153 info);
155 info.u_val = rrd.ds_def[i].par[DS_min_val].u_val;
156 cd = info_push(cd,
157 sprintf_alloc("ds[%s].min", rrd.ds_def[i].ds_nam),
158 RD_I_VAL, info);
160 info.u_val = rrd.ds_def[i].par[DS_max_val].u_val;
161 cd = info_push(cd,
162 sprintf_alloc("ds[%s].max", rrd.ds_def[i].ds_nam),
163 RD_I_VAL, info);
164 break;
165 }
167 info.u_str = rrd.pdp_prep[i].last_ds;
168 cd = info_push(cd,
169 sprintf_alloc("ds[%s].last_ds", rrd.ds_def[i].ds_nam),
170 RD_I_STR, info);
172 info.u_val = rrd.pdp_prep[i].scratch[PDP_val].u_val;
173 cd = info_push(cd,
174 sprintf_alloc("ds[%s].value", rrd.ds_def[i].ds_nam),
175 RD_I_VAL, info);
177 info.u_cnt = rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt;
178 cd = info_push(cd,
179 sprintf_alloc("ds[%s].unknown_sec",
180 rrd.ds_def[i].ds_nam), RD_I_CNT, info);
181 }
183 for (i = 0; i < rrd.stat_head->rra_cnt; i++) {
184 info.u_str = rrd.rra_def[i].cf_nam;
185 cd = info_push(cd, sprintf_alloc("rra[%d].cf", i), RD_I_STR, info);
186 current_cf = cf_conv(rrd.rra_def[i].cf_nam);
188 info.u_cnt = rrd.rra_def[i].row_cnt;
189 cd = info_push(cd, sprintf_alloc("rra[%d].rows", i), RD_I_CNT, info);
191 info.u_cnt = rrd.rra_ptr[i].cur_row;
192 cd = info_push(cd, sprintf_alloc("rra[%d].cur_row", i), RD_I_CNT,
193 info);
195 info.u_cnt = rrd.rra_def[i].pdp_cnt;
196 cd = info_push(cd, sprintf_alloc("rra[%d].pdp_per_row", i), RD_I_CNT,
197 info);
199 switch (current_cf) {
200 case CF_HWPREDICT:
201 case CF_MHWPREDICT:
202 info.u_val = rrd.rra_def[i].par[RRA_hw_alpha].u_val;
203 cd = info_push(cd, sprintf_alloc("rra[%d].alpha", i), RD_I_VAL,
204 info);
205 info.u_val = rrd.rra_def[i].par[RRA_hw_beta].u_val;
206 cd = info_push(cd, sprintf_alloc("rra[%d].beta", i), RD_I_VAL,
207 info);
208 break;
209 case CF_SEASONAL:
210 case CF_DEVSEASONAL:
211 info.u_val = rrd.rra_def[i].par[RRA_seasonal_gamma].u_val;
212 cd = info_push(cd, sprintf_alloc("rra[%d].gamma", i), RD_I_VAL,
213 info);
214 if (atoi(rrd.stat_head->version) >= 4) {
215 info.u_val =
216 rrd.rra_def[i].par[RRA_seasonal_smoothing_window].u_val;
217 cd = info_push(cd,
218 sprintf_alloc("rra[%d].smoothing_window", i),
219 RD_I_VAL, info);
220 }
221 break;
222 case CF_FAILURES:
223 info.u_val = rrd.rra_def[i].par[RRA_delta_pos].u_val;
224 cd = info_push(cd, sprintf_alloc("rra[%d].delta_pos", i),
225 RD_I_VAL, info);
226 info.u_val = rrd.rra_def[i].par[RRA_delta_neg].u_val;
227 cd = info_push(cd, sprintf_alloc("rra[%d].delta_neg", i),
228 RD_I_VAL, info);
229 info.u_cnt = rrd.rra_def[i].par[RRA_failure_threshold].u_cnt;
230 cd = info_push(cd, sprintf_alloc("rra[%d].failure_threshold", i),
231 RD_I_CNT, info);
232 info.u_cnt = rrd.rra_def[i].par[RRA_window_len].u_cnt;
233 cd = info_push(cd, sprintf_alloc("rra[%d].window_length", i),
234 RD_I_CNT, info);
235 break;
236 case CF_DEVPREDICT:
237 break;
238 default:
239 info.u_val = rrd.rra_def[i].par[RRA_cdp_xff_val].u_val;
240 cd = info_push(cd, sprintf_alloc("rra[%d].xff", i), RD_I_VAL,
241 info);
242 break;
243 }
245 for (ii = 0; ii < rrd.stat_head->ds_cnt; ii++) {
246 switch (current_cf) {
247 case CF_HWPREDICT:
248 case CF_MHWPREDICT:
249 info.u_val =
250 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
251 ii].scratch[CDP_hw_intercept].u_val;
252 cd = info_push(cd,
253 sprintf_alloc("rra[%d].cdp_prep[%d].intercept",
254 i, ii), RD_I_VAL, info);
255 info.u_val =
256 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
257 ii].scratch[CDP_hw_slope].u_val;
258 cd = info_push(cd,
259 sprintf_alloc("rra[%d].cdp_prep[%d].slope", i,
260 ii), RD_I_VAL, info);
261 info.u_cnt =
262 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
263 ii].scratch[CDP_null_count].u_cnt;
264 cd = info_push(cd,
265 sprintf_alloc("rra[%d].cdp_prep[%d].NaN_count",
266 i, ii), RD_I_CNT, info);
267 break;
268 case CF_SEASONAL:
269 info.u_val =
270 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
271 ii].scratch[CDP_hw_seasonal].u_val;
272 cd = info_push(cd,
273 sprintf_alloc("rra[%d].cdp_prep[%d].seasonal",
274 i, ii), RD_I_VAL, info);
275 break;
276 case CF_DEVSEASONAL:
277 info.u_val =
278 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
279 ii].scratch[CDP_seasonal_deviation].u_val;
280 cd = info_push(cd,
281 sprintf_alloc("rra[%d].cdp_prep[%d].deviation",
282 i, ii), RD_I_VAL, info);
283 break;
284 case CF_DEVPREDICT:
285 break;
286 case CF_FAILURES:
287 {
288 unsigned short j;
289 char *violations_array;
290 char history[MAX_FAILURES_WINDOW_LEN + 1];
292 violations_array =
293 (char *) rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
294 ii].scratch;
295 for (j = 0; j < rrd.rra_def[i].par[RRA_window_len].u_cnt; ++j)
296 history[j] = (violations_array[j] == 1) ? '1' : '0';
297 history[j] = '\0';
298 info.u_str = history;
299 cd = info_push(cd,
300 sprintf_alloc("rra[%d].cdp_prep[%d].history",
301 i, ii), RD_I_STR, info);
302 }
303 break;
304 default:
305 info.u_val =
306 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
307 ii].scratch[CDP_val].u_val;
308 cd = info_push(cd,
309 sprintf_alloc("rra[%d].cdp_prep[%d].value", i,
310 ii), RD_I_VAL, info);
311 info.u_cnt =
312 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
313 ii].scratch[CDP_unkn_pdp_cnt].u_cnt;
314 cd = info_push(cd,
315 sprintf_alloc
316 ("rra[%d].cdp_prep[%d].unknown_datapoints", i,
317 ii), RD_I_CNT, info);
318 break;
319 }
320 }
321 }
323 rrd_close(rrd_file);
324 err_free:
325 rrd_free(&rrd);
326 return (data);
327 }
330 void info_print(
331 info_t *data)
332 {
333 while (data) {
334 printf("%s = ", data->key);
336 switch (data->type) {
337 case RD_I_VAL:
338 if (isnan(data->value.u_val))
339 printf("NaN\n");
340 else
341 printf("%0.10e\n", data->value.u_val);
342 break;
343 case RD_I_CNT:
344 printf("%lu\n", data->value.u_cnt);
345 break;
346 case RD_I_INT:
347 printf("%d\n", data->value.u_int);
348 break;
349 case RD_I_STR:
350 printf("\"%s\"\n", data->value.u_str);
351 break;
352 case RD_I_BLO:
353 printf("BLOB_SIZE:%lu\n", data->value.u_blo.size);
354 fwrite(data->value.u_blo.ptr, data->value.u_blo.size, 1, stdout);
355 break;
356 }
357 data = data->next;
358 }
359 }
361 void info_free(
362 info_t *data)
363 {
364 info_t *save;
366 while (data) {
367 save = data;
368 if (data->key) {
369 if (data->type == RD_I_STR) {
370 free(data->value.u_str);
371 }
372 if (data->type == RD_I_BLO) {
373 free(data->value.u_blo.ptr);
374 }
375 free(data->key);
376 }
377 data = data->next;
378 free(save);
379 }
380 }