1 /*****************************************************************************
2 * RRDtool 1.2.23 Copyright by Tobi Oetiker, 1997-2007
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 #ifdef HAVE_VSNPRINTF
24 int maxlen = 50;
25 #else
26 int maxlen = 1000;
27 #endif
28 char *str = NULL;
29 va_list argp;
30 str = malloc(sizeof(char) * (strlen(fmt) + maxlen));
31 if (str != NULL) {
32 va_start(argp, fmt);
33 #ifdef HAVE_VSNPRINTF
34 vsnprintf(str, maxlen - 1, 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 info_push because
44 * it is now used outside the scope of this file */
45 info_t
46 *info_push(
47 info_t *info,
48 char *key,
49 enum info_type type,
50 infoval value)
51 {
52 info_t *next;
54 next = malloc(sizeof(*next));
55 next->next = (info_t *) 0;
56 if (info)
57 info->next = next;
58 next->type = type;
59 next->key = key;
60 switch (type) {
61 case RD_I_VAL:
62 next->value.u_val = value.u_val;
63 break;
64 case RD_I_CNT:
65 next->value.u_cnt = value.u_cnt;
66 break;
67 case RD_I_INT:
68 next->value.u_int = value.u_int;
69 break;
70 case RD_I_STR:
71 next->value.u_str = malloc(sizeof(char) * (strlen(value.u_str) + 1));
72 strcpy(next->value.u_str, value.u_str);
73 break;
74 }
75 return (next);
76 }
79 info_t *rrd_info(
80 int argc,
81 char **argv)
82 {
83 info_t *info;
85 if (argc < 2) {
86 rrd_set_error("please specify an rrd");
87 return NULL;
88 }
90 info = rrd_info_r(argv[1]);
92 return (info);
93 }
97 info_t *rrd_info_r(
98 char *filename)
99 {
100 unsigned int i, ii = 0;
101 rrd_t rrd;
102 info_t *data = NULL, *cd;
103 infoval info;
104 rrd_file_t *rrd_file;
105 enum cf_en current_cf;
106 enum dst_en current_ds;
108 rrd_file = rrd_open(filename, &rrd, RRD_READONLY);
109 if (rrd_file == NULL)
110 goto err_free;
112 info.u_str = filename;
113 cd = info_push(NULL, sprintf_alloc("filename"), RD_I_STR, info);
114 data = cd;
116 info.u_str = rrd.stat_head->version;
117 cd = info_push(cd, sprintf_alloc("rrd_version"), RD_I_STR, info);
119 info.u_cnt = rrd.stat_head->pdp_step;
120 cd = info_push(cd, sprintf_alloc("step"), RD_I_CNT, info);
122 info.u_cnt = rrd.live_head->last_up;
123 cd = info_push(cd, sprintf_alloc("last_update"), RD_I_CNT, info);
125 for (i = 0; i < rrd.stat_head->ds_cnt; i++) {
127 info.u_str = rrd.ds_def[i].dst;
128 cd = info_push(cd, sprintf_alloc("ds[%s].type", 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 = info_push(cd,
141 sprintf_alloc("ds[%s].cdef", rrd.ds_def[i].ds_nam),
142 RD_I_STR, info);
143 free(buffer);
144 }
145 break;
146 default:
147 info.u_cnt = rrd.ds_def[i].par[DS_mrhb_cnt].u_cnt;
148 cd = info_push(cd,
149 sprintf_alloc("ds[%s].minimal_heartbeat",
150 rrd.ds_def[i].ds_nam), RD_I_CNT,
151 info);
153 info.u_val = rrd.ds_def[i].par[DS_min_val].u_val;
154 cd = info_push(cd,
155 sprintf_alloc("ds[%s].min", rrd.ds_def[i].ds_nam),
156 RD_I_VAL, info);
158 info.u_val = rrd.ds_def[i].par[DS_max_val].u_val;
159 cd = info_push(cd,
160 sprintf_alloc("ds[%s].max", rrd.ds_def[i].ds_nam),
161 RD_I_VAL, info);
162 break;
163 }
165 info.u_str = rrd.pdp_prep[i].last_ds;
166 cd = info_push(cd,
167 sprintf_alloc("ds[%s].last_ds", rrd.ds_def[i].ds_nam),
168 RD_I_STR, info);
170 info.u_val = rrd.pdp_prep[i].scratch[PDP_val].u_val;
171 cd = info_push(cd,
172 sprintf_alloc("ds[%s].value", rrd.ds_def[i].ds_nam),
173 RD_I_VAL, info);
175 info.u_cnt = rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt;
176 cd = info_push(cd,
177 sprintf_alloc("ds[%s].unknown_sec",
178 rrd.ds_def[i].ds_nam), RD_I_CNT, info);
179 }
181 for (i = 0; i < rrd.stat_head->rra_cnt; i++) {
182 info.u_str = rrd.rra_def[i].cf_nam;
183 cd = info_push(cd, sprintf_alloc("rra[%d].cf", i), RD_I_STR, info);
184 current_cf = cf_conv(rrd.rra_def[i].cf_nam);
186 info.u_cnt = rrd.rra_def[i].row_cnt;
187 cd = info_push(cd, sprintf_alloc("rra[%d].rows", i), RD_I_CNT, info);
189 info.u_cnt = rrd.rra_def[i].pdp_cnt;
190 cd = info_push(cd, sprintf_alloc("rra[%d].pdp_per_row", i), RD_I_CNT,
191 info);
193 switch (current_cf) {
194 case CF_HWPREDICT:
195 info.u_val = rrd.rra_def[i].par[RRA_hw_alpha].u_val;
196 cd = info_push(cd, sprintf_alloc("rra[%d].alpha", i), RD_I_VAL,
197 info);
198 info.u_val = rrd.rra_def[i].par[RRA_hw_beta].u_val;
199 cd = info_push(cd, sprintf_alloc("rra[%d].beta", i), RD_I_VAL,
200 info);
201 break;
202 case CF_SEASONAL:
203 case CF_DEVSEASONAL:
204 info.u_val = rrd.rra_def[i].par[RRA_seasonal_gamma].u_val;
205 cd = info_push(cd, sprintf_alloc("rra[%d].gamma", i), RD_I_VAL,
206 info);
207 break;
208 case CF_FAILURES:
209 info.u_val = rrd.rra_def[i].par[RRA_delta_pos].u_val;
210 cd = info_push(cd, sprintf_alloc("rra[%d].delta_pos", i),
211 RD_I_VAL, info);
212 info.u_val = rrd.rra_def[i].par[RRA_delta_neg].u_val;
213 cd = info_push(cd, sprintf_alloc("rra[%d].delta_neg", i),
214 RD_I_VAL, info);
215 info.u_cnt = rrd.rra_def[i].par[RRA_failure_threshold].u_cnt;
216 cd = info_push(cd, sprintf_alloc("rra[%d].failure_threshold", i),
217 RD_I_CNT, info);
218 info.u_cnt = rrd.rra_def[i].par[RRA_window_len].u_cnt;
219 cd = info_push(cd, sprintf_alloc("rra[%d].window_length", i),
220 RD_I_CNT, info);
221 break;
222 case CF_DEVPREDICT:
223 break;
224 default:
225 info.u_val = rrd.rra_def[i].par[RRA_cdp_xff_val].u_val;
226 cd = info_push(cd, sprintf_alloc("rra[%d].xff", i), RD_I_VAL,
227 info);
228 break;
229 }
231 for (ii = 0; ii < rrd.stat_head->ds_cnt; ii++) {
232 switch (current_cf) {
233 case CF_HWPREDICT:
234 info.u_val =
235 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
236 ii].scratch[CDP_hw_intercept].u_val;
237 cd = info_push(cd,
238 sprintf_alloc("rra[%d].cdp_prep[%d].intercept",
239 i, ii), RD_I_VAL, info);
240 info.u_val =
241 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
242 ii].scratch[CDP_hw_slope].u_val;
243 cd = info_push(cd,
244 sprintf_alloc("rra[%d].cdp_prep[%d].slope", i,
245 ii), RD_I_VAL, info);
246 info.u_cnt =
247 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
248 ii].scratch[CDP_null_count].u_cnt;
249 cd = info_push(cd,
250 sprintf_alloc("rra[%d].cdp_prep[%d].NaN_count",
251 i, ii), RD_I_CNT, info);
252 break;
253 case CF_SEASONAL:
254 info.u_val =
255 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
256 ii].scratch[CDP_hw_seasonal].u_val;
257 cd = info_push(cd,
258 sprintf_alloc("rra[%d].cdp_prep[%d].seasonal",
259 i, ii), RD_I_VAL, info);
260 break;
261 case CF_DEVSEASONAL:
262 info.u_val =
263 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
264 ii].scratch[CDP_seasonal_deviation].u_val;
265 cd = info_push(cd,
266 sprintf_alloc("rra[%d].cdp_prep[%d].deviation",
267 i, ii), RD_I_VAL, info);
268 break;
269 case CF_DEVPREDICT:
270 break;
271 case CF_FAILURES:
272 {
273 unsigned short j;
274 char *violations_array;
275 char history[MAX_FAILURES_WINDOW_LEN + 1];
277 violations_array =
278 (char *) rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
279 ii].scratch;
280 for (j = 0; j < rrd.rra_def[i].par[RRA_window_len].u_cnt; ++j)
281 history[j] = (violations_array[j] == 1) ? '1' : '0';
282 history[j] = '\0';
283 info.u_str = history;
284 cd = info_push(cd,
285 sprintf_alloc("rra[%d].cdp_prep[%d].history",
286 i, ii), RD_I_STR, info);
287 }
288 break;
289 default:
290 info.u_val =
291 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
292 ii].scratch[CDP_val].u_val;
293 cd = info_push(cd,
294 sprintf_alloc("rra[%d].cdp_prep[%d].value", i,
295 ii), RD_I_VAL, info);
296 info.u_cnt =
297 rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
298 ii].scratch[CDP_unkn_pdp_cnt].u_cnt;
299 cd = info_push(cd,
300 sprintf_alloc
301 ("rra[%d].cdp_prep[%d].unknown_datapoints", i,
302 ii), RD_I_CNT, info);
303 break;
304 }
305 }
306 }
308 rrd_close(rrd_file);
309 err_free:
310 rrd_free(&rrd);
311 return (data);
312 }