1 /*****************************************************************************
2 * RRDtool 1.2.30 Copyright by Tobi Oetiker, 1997-2009
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(int, char **);
13 info_t *rrd_info_r(char *filename);
15 /* allocate memory for string */
16 char *
17 sprintf_alloc(char *fmt, ...) {
18 #ifdef HAVE_VSNPRINTF
19 int maxlen = 50;
20 #else
21 int maxlen = 1000;
22 #endif
23 char *str = NULL;
24 va_list argp;
25 str = malloc(sizeof(char)*(strlen(fmt)+maxlen));
26 if (str != NULL) {
27 va_start(argp, fmt);
28 #ifdef HAVE_VSNPRINTF
29 vsnprintf(str, maxlen-1, fmt, argp);
30 #else
31 vsprintf(str, fmt, argp);
32 #endif
33 }
34 va_end(argp);
35 return str;
36 }
37 /* the function formerly known as push was renamed info_push because
38 * it is now used outside the scope of this file */
39 info_t
40 *info_push(info_t *info, char *key, enum info_type type, infoval value){
41 info_t *next;
42 next = malloc(sizeof(*next));
43 next->next = (info_t *) 0;
44 if( info )
45 info->next = next;
46 next->type = type;
47 next->key = key;
48 switch (type) {
49 case RD_I_VAL:
50 next->value.u_val = value.u_val;
51 break;
52 case RD_I_CNT:
53 next->value.u_cnt = value.u_cnt;
54 break;
55 case RD_I_INT:
56 next->value.u_int = value.u_int;
57 break;
58 case RD_I_STR:
59 next->value.u_str = malloc(sizeof(char)*(strlen(value.u_str)+1));
60 strcpy(next->value.u_str,value.u_str);
61 break;
62 }
63 return(next);
64 }
67 info_t *
68 rrd_info(int argc, char **argv) {
69 info_t *info;
71 if(argc < 2){
72 rrd_set_error("please specify an rrd");
73 return NULL;
74 }
76 info = rrd_info_r(argv[1]);
78 return(info);
79 }
83 info_t *
84 rrd_info_r(char *filename) {
85 unsigned int i,ii=0;
86 FILE *in_file;
87 rrd_t rrd;
88 info_t *data,*cd;
89 infoval info;
90 enum cf_en current_cf;
91 enum dst_en current_ds;
93 if(rrd_open(filename,&in_file,&rrd, RRD_READONLY)==-1){
94 return(NULL);
95 }
96 fclose(in_file);
98 info.u_str=filename;
99 cd=info_push(NULL,sprintf_alloc("filename"), RD_I_STR, info);
100 data=cd;
102 info.u_str=rrd.stat_head->version;
103 cd=info_push(cd,sprintf_alloc("rrd_version"), RD_I_STR, info);
105 info.u_cnt=rrd.stat_head->pdp_step;
106 cd=info_push(cd,sprintf_alloc("step"), RD_I_CNT, info);
108 info.u_cnt=rrd.live_head->last_up;
109 cd=info_push(cd,sprintf_alloc("last_update"), RD_I_CNT, info);
111 for(i=0;i<rrd.stat_head->ds_cnt;i++){
113 info.u_cnt=i;
114 cd=info_push(cd,sprintf_alloc("ds[%s].index", rrd.ds_def[i].ds_nam), RD_I_CNT, info);
116 info.u_str=rrd.ds_def[i].dst;
117 cd=info_push(cd,sprintf_alloc("ds[%s].type", rrd.ds_def[i].ds_nam), RD_I_STR, info);
119 current_ds = dst_conv(rrd.ds_def[i].dst);
120 switch (current_ds) {
121 case DST_CDEF:
122 {
123 char *buffer = NULL;
124 rpn_compact2str((rpn_cdefds_t *) &(rrd.ds_def[i].par[DS_cdef]),
125 rrd.ds_def, &buffer);
126 info.u_str = buffer;
127 cd=info_push(cd,sprintf_alloc("ds[%s].cdef",rrd.ds_def[i].ds_nam),RD_I_STR,info);
128 free(buffer);
129 }
130 break;
131 default:
132 info.u_cnt=rrd.ds_def[i].par[DS_mrhb_cnt].u_cnt;
133 cd=info_push(cd,sprintf_alloc("ds[%s].minimal_heartbeat",rrd.ds_def[i].ds_nam), RD_I_CNT, info);
135 info.u_val=rrd.ds_def[i].par[DS_min_val].u_val;
136 cd=info_push(cd,sprintf_alloc("ds[%s].min",rrd.ds_def[i].ds_nam), RD_I_VAL, info);
138 info.u_val=rrd.ds_def[i].par[DS_max_val].u_val;
139 cd=info_push(cd,sprintf_alloc("ds[%s].max",rrd.ds_def[i].ds_nam), RD_I_VAL, info);
140 break;
141 }
143 info.u_str=rrd.pdp_prep[i].last_ds;
144 cd=info_push(cd,sprintf_alloc("ds[%s].last_ds", rrd.ds_def[i].ds_nam), RD_I_STR, info);
146 info.u_val=rrd.pdp_prep[i].scratch[PDP_val].u_val;
147 cd=info_push(cd,sprintf_alloc("ds[%s].value", rrd.ds_def[i].ds_nam), RD_I_VAL, info);
149 info.u_cnt=rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt;
150 cd=info_push(cd,sprintf_alloc("ds[%s].unknown_sec", rrd.ds_def[i].ds_nam), RD_I_CNT, info);
151 }
153 for(i=0;i<rrd.stat_head->rra_cnt;i++){
154 info.u_str=rrd.rra_def[i].cf_nam;
155 cd=info_push(cd,sprintf_alloc("rra[%d].cf", i), RD_I_STR, info);
156 current_cf = cf_conv(rrd.rra_def[i].cf_nam);
158 info.u_cnt=rrd.rra_def[i].row_cnt;
159 cd=info_push(cd,sprintf_alloc("rra[%d].rows",i), RD_I_CNT, info);
161 info.u_cnt=rrd.rra_ptr[i].cur_row;
162 cd=info_push(cd,sprintf_alloc("rra[%d].cur_row",i), RD_I_CNT, info);
164 info.u_cnt=rrd.rra_def[i].pdp_cnt;
165 cd=info_push(cd,sprintf_alloc("rra[%d].pdp_per_row",i), RD_I_CNT, info);
167 switch(current_cf)
168 {
169 case CF_HWPREDICT:
170 info.u_val=rrd.rra_def[i].par[RRA_hw_alpha].u_val;
171 cd=info_push(cd,sprintf_alloc("rra[%d].alpha",i),RD_I_VAL,info);
172 info.u_val=rrd.rra_def[i].par[RRA_hw_beta].u_val;
173 cd=info_push(cd,sprintf_alloc("rra[%d].beta",i),RD_I_VAL,info);
174 break;
175 case CF_SEASONAL:
176 case CF_DEVSEASONAL:
177 info.u_val=rrd.rra_def[i].par[RRA_seasonal_gamma].u_val;
178 cd=info_push(cd,sprintf_alloc("rra[%d].gamma",i),RD_I_VAL,info);
179 break;
180 case CF_FAILURES:
181 info.u_val=rrd.rra_def[i].par[RRA_delta_pos].u_val;
182 cd=info_push(cd,sprintf_alloc("rra[%d].delta_pos",i),RD_I_VAL,info);
183 info.u_val=rrd.rra_def[i].par[RRA_delta_neg].u_val;
184 cd=info_push(cd,sprintf_alloc("rra[%d].delta_neg",i),RD_I_VAL,info);
185 info.u_cnt=rrd.rra_def[i].par[RRA_failure_threshold].u_cnt;
186 cd=info_push(cd,sprintf_alloc("rra[%d].failure_threshold",i),RD_I_CNT,info);
187 info.u_cnt=rrd.rra_def[i].par[RRA_window_len].u_cnt;
188 cd=info_push(cd,sprintf_alloc("rra[%d].window_length",i),RD_I_CNT,info);
189 break;
190 case CF_DEVPREDICT:
191 break;
192 default:
193 info.u_val=rrd.rra_def[i].par[RRA_cdp_xff_val].u_val;
194 cd=info_push(cd,sprintf_alloc("rra[%d].xff",i),RD_I_VAL,info);
195 break;
196 }
198 for(ii=0;ii<rrd.stat_head->ds_cnt;ii++){
199 switch(current_cf)
200 {
201 case CF_HWPREDICT:
202 info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_hw_intercept].u_val;
203 cd=info_push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].intercept",i,ii), RD_I_VAL, info);
204 info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_hw_slope].u_val;
205 cd=info_push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].slope",i,ii), RD_I_VAL, info);
206 info.u_cnt=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_null_count].u_cnt;
207 cd=info_push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].NaN_count",i,ii), RD_I_CNT, info);
208 break;
209 case CF_SEASONAL:
210 info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_hw_seasonal].u_val;
211 cd=info_push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].seasonal",i,ii), RD_I_VAL, info);
212 break;
213 case CF_DEVSEASONAL:
214 info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_seasonal_deviation].u_val;
215 cd=info_push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].deviation",i,ii), RD_I_VAL, info);
216 break;
217 case CF_DEVPREDICT:
218 break;
219 case CF_FAILURES:
220 {
221 unsigned short j;
222 char *violations_array;
223 char history[MAX_FAILURES_WINDOW_LEN+1];
224 violations_array = (char*) rrd.cdp_prep[i*rrd.stat_head->ds_cnt +ii].scratch;
225 for (j = 0; j < rrd.rra_def[i].par[RRA_window_len].u_cnt; ++j)
226 history[j] = (violations_array[j] == 1) ? '1' : '0';
227 history[j] = '\0';
228 info.u_str = history;
229 cd=info_push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].history",i,ii), RD_I_STR, info);
230 }
231 break;
232 default:
233 info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_val].u_val;
234 cd=info_push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].value",i,ii), RD_I_VAL, info);
235 info.u_cnt=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_unkn_pdp_cnt].u_cnt;
236 cd=info_push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].unknown_datapoints",i,ii), RD_I_CNT, info);
237 break;
238 }
239 }
240 }
241 rrd_free(&rrd);
242 return(data);
244 }