216096277f750f1a70529a54e764408d2e975ac0
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(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 rrd_t rrd;
87 info_t *data,*cd;
88 infoval info;
89 rrd_file_t* rrd_file;
90 enum cf_en current_cf;
91 enum dst_en current_ds;
93 rrd_file = rrd_open(filename,&rrd, RRD_READONLY);
94 if (rrd_file == NULL) {
95 return(NULL);
96 }
97 close(rrd_file->fd);
99 info.u_str=filename;
100 cd=info_push(NULL,sprintf_alloc("filename"), RD_I_STR, info);
101 data=cd;
103 info.u_str=rrd.stat_head->version;
104 cd=info_push(cd,sprintf_alloc("rrd_version"), RD_I_STR, info);
106 info.u_cnt=rrd.stat_head->pdp_step;
107 cd=info_push(cd,sprintf_alloc("step"), RD_I_CNT, info);
109 info.u_cnt=rrd.live_head->last_up;
110 cd=info_push(cd,sprintf_alloc("last_update"), RD_I_CNT, info);
112 for(i=0;i<rrd.stat_head->ds_cnt;i++){
114 info.u_str=rrd.ds_def[i].dst;
115 cd=info_push(cd,sprintf_alloc("ds[%s].type", rrd.ds_def[i].ds_nam), RD_I_STR, info);
117 current_ds = dst_conv(rrd.ds_def[i].dst);
118 switch (current_ds) {
119 case DST_CDEF:
120 {
121 char *buffer = NULL;
122 rpn_compact2str((rpn_cdefds_t *) &(rrd.ds_def[i].par[DS_cdef]),
123 rrd.ds_def, &buffer);
124 info.u_str = buffer;
125 cd=info_push(cd,sprintf_alloc("ds[%s].cdef",rrd.ds_def[i].ds_nam),RD_I_STR,info);
126 free(buffer);
127 }
128 break;
129 default:
130 info.u_cnt=rrd.ds_def[i].par[DS_mrhb_cnt].u_cnt;
131 cd=info_push(cd,sprintf_alloc("ds[%s].minimal_heartbeat",rrd.ds_def[i].ds_nam), RD_I_CNT, info);
133 info.u_val=rrd.ds_def[i].par[DS_min_val].u_val;
134 cd=info_push(cd,sprintf_alloc("ds[%s].min",rrd.ds_def[i].ds_nam), RD_I_VAL, info);
136 info.u_val=rrd.ds_def[i].par[DS_max_val].u_val;
137 cd=info_push(cd,sprintf_alloc("ds[%s].max",rrd.ds_def[i].ds_nam), RD_I_VAL, info);
138 break;
139 }
141 info.u_str=rrd.pdp_prep[i].last_ds;
142 cd=info_push(cd,sprintf_alloc("ds[%s].last_ds", rrd.ds_def[i].ds_nam), RD_I_STR, info);
144 info.u_val=rrd.pdp_prep[i].scratch[PDP_val].u_val;
145 cd=info_push(cd,sprintf_alloc("ds[%s].value", rrd.ds_def[i].ds_nam), RD_I_VAL, info);
147 info.u_cnt=rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt;
148 cd=info_push(cd,sprintf_alloc("ds[%s].unknown_sec", rrd.ds_def[i].ds_nam), RD_I_CNT, info);
149 }
151 for(i=0;i<rrd.stat_head->rra_cnt;i++){
152 info.u_str=rrd.rra_def[i].cf_nam;
153 cd=info_push(cd,sprintf_alloc("rra[%d].cf", i), RD_I_STR, info);
154 current_cf = cf_conv(rrd.rra_def[i].cf_nam);
156 info.u_cnt=rrd.rra_def[i].row_cnt;
157 cd=info_push(cd,sprintf_alloc("rra[%d].rows",i), RD_I_CNT, info);
159 info.u_cnt=rrd.rra_def[i].pdp_cnt;
160 cd=info_push(cd,sprintf_alloc("rra[%d].pdp_per_row",i), RD_I_CNT, info);
162 switch(current_cf)
163 {
164 case CF_HWPREDICT:
165 info.u_val=rrd.rra_def[i].par[RRA_hw_alpha].u_val;
166 cd=info_push(cd,sprintf_alloc("rra[%d].alpha",i),RD_I_VAL,info);
167 info.u_val=rrd.rra_def[i].par[RRA_hw_beta].u_val;
168 cd=info_push(cd,sprintf_alloc("rra[%d].beta",i),RD_I_VAL,info);
169 break;
170 case CF_SEASONAL:
171 case CF_DEVSEASONAL:
172 info.u_val=rrd.rra_def[i].par[RRA_seasonal_gamma].u_val;
173 cd=info_push(cd,sprintf_alloc("rra[%d].gamma",i),RD_I_VAL,info);
174 break;
175 case CF_FAILURES:
176 info.u_val=rrd.rra_def[i].par[RRA_delta_pos].u_val;
177 cd=info_push(cd,sprintf_alloc("rra[%d].delta_pos",i),RD_I_VAL,info);
178 info.u_val=rrd.rra_def[i].par[RRA_delta_neg].u_val;
179 cd=info_push(cd,sprintf_alloc("rra[%d].delta_neg",i),RD_I_VAL,info);
180 info.u_cnt=rrd.rra_def[i].par[RRA_failure_threshold].u_cnt;
181 cd=info_push(cd,sprintf_alloc("rra[%d].failure_threshold",i),RD_I_CNT,info);
182 info.u_cnt=rrd.rra_def[i].par[RRA_window_len].u_cnt;
183 cd=info_push(cd,sprintf_alloc("rra[%d].window_length",i),RD_I_CNT,info);
184 break;
185 case CF_DEVPREDICT:
186 break;
187 default:
188 info.u_val=rrd.rra_def[i].par[RRA_cdp_xff_val].u_val;
189 cd=info_push(cd,sprintf_alloc("rra[%d].xff",i),RD_I_VAL,info);
190 break;
191 }
193 for(ii=0;ii<rrd.stat_head->ds_cnt;ii++){
194 switch(current_cf)
195 {
196 case CF_HWPREDICT:
197 info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_hw_intercept].u_val;
198 cd=info_push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].intercept",i,ii), RD_I_VAL, info);
199 info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_hw_slope].u_val;
200 cd=info_push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].slope",i,ii), RD_I_VAL, info);
201 info.u_cnt=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_null_count].u_cnt;
202 cd=info_push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].NaN_count",i,ii), RD_I_CNT, info);
203 break;
204 case CF_SEASONAL:
205 info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_hw_seasonal].u_val;
206 cd=info_push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].seasonal",i,ii), RD_I_VAL, info);
207 break;
208 case CF_DEVSEASONAL:
209 info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_seasonal_deviation].u_val;
210 cd=info_push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].deviation",i,ii), RD_I_VAL, info);
211 break;
212 case CF_DEVPREDICT:
213 break;
214 case CF_FAILURES:
215 {
216 unsigned short j;
217 char *violations_array;
218 char history[MAX_FAILURES_WINDOW_LEN+1];
219 violations_array = (char*) rrd.cdp_prep[i*rrd.stat_head->ds_cnt +ii].scratch;
220 for (j = 0; j < rrd.rra_def[i].par[RRA_window_len].u_cnt; ++j)
221 history[j] = (violations_array[j] == 1) ? '1' : '0';
222 history[j] = '\0';
223 info.u_str = history;
224 cd=info_push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].history",i,ii), RD_I_STR, info);
225 }
226 break;
227 default:
228 info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_val].u_val;
229 cd=info_push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].value",i,ii), RD_I_VAL, info);
230 info.u_cnt=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_unkn_pdp_cnt].u_cnt;
231 cd=info_push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].unknown_datapoints",i,ii), RD_I_CNT, info);
232 break;
233 }
234 }
235 }
236 rrd_free(&rrd);
237 rrd_close(rrd_file);
238 return(data);
240 }