1 /*****************************************************************************
2 * RRDtool 1.1.x Copyright Tobias Oetiker, 1997 - 2002
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 static char * sprintf_alloc(char *, ...);
13 static info_t *push(info_t *, char *, enum info_type, infoval);
14 info_t *rrd_info(int, char **);
15 info_t *rrd_info_r(char *filename);
17 /* allocate memory for string */
18 static char *
19 sprintf_alloc(char *fmt, ...) {
20 #ifdef HAVE_VSNPRINTF
21 int maxlen = 50;
22 #else
23 int maxlen = 1000;
24 #endif
25 char *str = NULL;
26 va_list argp;
27 str = malloc(sizeof(char)*(strlen(fmt)+maxlen));
28 if (str != NULL) {
29 va_start(argp, fmt);
30 #ifdef HAVE_VSNPRINTF
31 vsnprintf(str, maxlen-1, fmt, argp);
32 #else
33 vsprintf(str, fmt, argp);
34 #endif
35 }
36 va_end(argp);
37 return str;
38 }
40 static info_t
41 *push(info_t *info, char *key, enum info_type type, infoval value){
42 info_t *next;
43 next = malloc(sizeof(*next));
44 next->next = (info_t *) 0;
45 if( info )
46 info->next = next;
47 next->type = type;
48 next->key = key;
49 switch (type) {
50 case RD_I_VAL:
51 next->value.u_val = value.u_val;
52 break;
53 case RD_I_CNT:
54 next->value.u_cnt = value.u_cnt;
55 break;
56 case RD_I_STR:
57 next->value.u_str = malloc(sizeof(char)*(strlen(value.u_str)+1));
58 strcpy(next->value.u_str,value.u_str);
59 break;
60 }
61 return(next);
62 }
65 info_t *
66 rrd_info(int argc, char **argv) {
67 info_t *info;
69 if(argc < 2){
70 rrd_set_error("please specify an rrd");
71 return NULL;
72 }
74 info = rrd_info_r(argv[1]);
76 return(info);
77 }
81 info_t *
82 rrd_info_r(char *filename) {
83 unsigned int i,ii=0;
84 FILE *in_file;
85 rrd_t rrd;
86 info_t *data,*cd;
87 infoval info;
88 enum cf_en current_cf;
89 enum dst_en current_ds;
91 if(rrd_open(filename,&in_file,&rrd, RRD_READONLY)==-1){
92 return(NULL);
93 }
94 fclose(in_file);
96 info.u_str=filename;
97 cd=push(NULL,sprintf_alloc("filename"), RD_I_STR, info);
98 data=cd;
100 info.u_str=rrd.stat_head->version;
101 cd=push(cd,sprintf_alloc("rrd_version"), RD_I_STR, info);
103 info.u_cnt=rrd.stat_head->pdp_step;
104 cd=push(cd,sprintf_alloc("step"), RD_I_CNT, info);
106 info.u_cnt=rrd.live_head->last_up;
107 cd=push(cd,sprintf_alloc("last_update"), RD_I_CNT, info);
109 for(i=0;i<rrd.stat_head->ds_cnt;i++){
111 info.u_str=rrd.ds_def[i].dst;
112 cd=push(cd,sprintf_alloc("ds[%s].type", rrd.ds_def[i].ds_nam), RD_I_STR, info);
114 current_ds = dst_conv(rrd.ds_def[i].dst);
115 switch (current_ds) {
116 case DST_CDEF:
117 {
118 char *buffer = 0;
119 rpn_compact2str((rpn_cdefds_t *) &(rrd.ds_def[i].par[DS_cdef]),
120 rrd.ds_def, &buffer);
121 info.u_str = buffer;
122 cd=push(cd,sprintf_alloc("ds[%s].cdef",rrd.ds_def[i].ds_nam),RD_I_STR,info);
123 free(buffer);
124 }
125 break;
126 default:
127 info.u_cnt=rrd.ds_def[i].par[DS_mrhb_cnt].u_cnt;
128 cd=push(cd,sprintf_alloc("ds[%s].minimal_heartbeat",rrd.ds_def[i].ds_nam), RD_I_CNT, info);
130 info.u_val=rrd.ds_def[i].par[DS_min_val].u_val;
131 cd=push(cd,sprintf_alloc("ds[%s].min",rrd.ds_def[i].ds_nam), RD_I_VAL, info);
133 info.u_val=rrd.ds_def[i].par[DS_max_val].u_val;
134 cd=push(cd,sprintf_alloc("ds[%s].max",rrd.ds_def[i].ds_nam), RD_I_VAL, info);
135 break;
136 }
138 info.u_str=rrd.pdp_prep[i].last_ds;
139 cd=push(cd,sprintf_alloc("ds[%s].last_ds", rrd.ds_def[i].ds_nam), RD_I_STR, info);
141 info.u_val=rrd.pdp_prep[i].scratch[PDP_val].u_val;
142 cd=push(cd,sprintf_alloc("ds[%s].value", rrd.ds_def[i].ds_nam), RD_I_VAL, info);
144 info.u_cnt=rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt;
145 cd=push(cd,sprintf_alloc("ds[%s].unknown_sec", rrd.ds_def[i].ds_nam), RD_I_CNT, info);
146 }
148 for(i=0;i<rrd.stat_head->rra_cnt;i++){
149 info.u_str=rrd.rra_def[i].cf_nam;
150 cd=push(cd,sprintf_alloc("rra[%d].cf", i), RD_I_STR, info);
151 current_cf = cf_conv(rrd.rra_def[i].cf_nam);
153 info.u_cnt=rrd.rra_def[i].row_cnt;
154 cd=push(cd,sprintf_alloc("rra[%d].rows",i), RD_I_CNT, info);
156 info.u_cnt=rrd.rra_def[i].pdp_cnt;
157 cd=push(cd,sprintf_alloc("rra[%d].pdp_per_row",i), RD_I_CNT, info);
159 switch(current_cf)
160 {
161 case CF_HWPREDICT:
162 info.u_val=rrd.rra_def[i].par[RRA_hw_alpha].u_val;
163 cd=push(cd,sprintf_alloc("rra[%d].alpha",i),RD_I_VAL,info);
164 info.u_val=rrd.rra_def[i].par[RRA_hw_beta].u_val;
165 cd=push(cd,sprintf_alloc("rra[%d].beta",i),RD_I_VAL,info);
166 break;
167 case CF_SEASONAL:
168 case CF_DEVSEASONAL:
169 info.u_val=rrd.rra_def[i].par[RRA_seasonal_gamma].u_val;
170 cd=push(cd,sprintf_alloc("rra[%d].gamma",i),RD_I_VAL,info);
171 break;
172 case CF_FAILURES:
173 info.u_val=rrd.rra_def[i].par[RRA_delta_pos].u_val;
174 cd=push(cd,sprintf_alloc("rra[%d].delta_pos",i),RD_I_VAL,info);
175 info.u_val=rrd.rra_def[i].par[RRA_delta_neg].u_val;
176 cd=push(cd,sprintf_alloc("rra[%d].delta_neg",i),RD_I_VAL,info);
177 info.u_cnt=rrd.rra_def[i].par[RRA_failure_threshold].u_cnt;
178 cd=push(cd,sprintf_alloc("rra[%d].failure_threshold",i),RD_I_CNT,info);
179 info.u_cnt=rrd.rra_def[i].par[RRA_window_len].u_cnt;
180 cd=push(cd,sprintf_alloc("rra[%d].window_length",i),RD_I_CNT,info);
181 break;
182 case CF_DEVPREDICT:
183 break;
184 default:
185 info.u_val=rrd.rra_def[i].par[RRA_cdp_xff_val].u_val;
186 cd=push(cd,sprintf_alloc("rra[%d].xff",i),RD_I_VAL,info);
187 break;
188 }
190 for(ii=0;ii<rrd.stat_head->ds_cnt;ii++){
191 switch(current_cf)
192 {
193 case CF_HWPREDICT:
194 info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_hw_intercept].u_val;
195 cd=push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].intercept",i,ii), RD_I_VAL, info);
196 info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_hw_slope].u_val;
197 cd=push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].slope",i,ii), RD_I_VAL, info);
198 info.u_cnt=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_null_count].u_cnt;
199 cd=push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].NaN_count",i,ii), RD_I_CNT, info);
200 break;
201 case CF_SEASONAL:
202 info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_hw_seasonal].u_val;
203 cd=push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].seasonal",i,ii), RD_I_VAL, info);
204 break;
205 case CF_DEVSEASONAL:
206 info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_seasonal_deviation].u_val;
207 cd=push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].deviation",i,ii), RD_I_VAL, info);
208 break;
209 case CF_DEVPREDICT:
210 break;
211 case CF_FAILURES:
212 {
213 unsigned short j;
214 char *violations_array;
215 char history[MAX_FAILURES_WINDOW_LEN+1];
216 violations_array = (char*) rrd.cdp_prep[i*rrd.stat_head->ds_cnt +ii].scratch;
217 for (j = 0; j < rrd.rra_def[i].par[RRA_window_len].u_cnt; ++j)
218 history[j] = (violations_array[j] == 1) ? '1' : '0';
219 history[j] = '\0';
220 info.u_str = history;
221 cd=push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].history",i,ii), RD_I_STR, info);
222 }
223 break;
224 default:
225 info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_val].u_val;
226 cd=push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].value",i,ii), RD_I_VAL, info);
227 info.u_cnt=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_unkn_pdp_cnt].u_cnt;
228 cd=push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].unknown_datapoints",i,ii), RD_I_CNT, info);
229 break;
230 }
231 }
232 }
233 rrd_free(&rrd);
234 return(data);
236 }