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 *****************************************************************************/
6
7 #include "rrd_tool.h"
8 #include "rrd_rpncalc.h"
9 #include <stdarg.h>
10
11 /* proto */
12 info_t *rrd_info(int, char **);
13 info_t *rrd_info_r(char *filename);
14
15 /* allocate memory for string */
16 char *
sprintf_alloc(char * fmt,...)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
info_push(info_t * info,char * key,enum info_type type,infoval value)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 }
65
66
67 info_t *
rrd_info(int argc,char ** argv)68 rrd_info(int argc, char **argv) {
69 info_t *info;
70
71 if(argc < 2){
72 rrd_set_error("please specify an rrd");
73 return NULL;
74 }
75
76 info = rrd_info_r(argv[1]);
77
78 return(info);
79 }
80
81
82
83 info_t *
rrd_info_r(char * filename)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;
92
93 if(rrd_open(filename,&in_file,&rrd, RRD_READONLY)==-1){
94 return(NULL);
95 }
96 fclose(in_file);
97
98 info.u_str=filename;
99 cd=info_push(NULL,sprintf_alloc("filename"), RD_I_STR, info);
100 data=cd;
101
102 info.u_str=rrd.stat_head->version;
103 cd=info_push(cd,sprintf_alloc("rrd_version"), RD_I_STR, info);
104
105 info.u_cnt=rrd.stat_head->pdp_step;
106 cd=info_push(cd,sprintf_alloc("step"), RD_I_CNT, info);
107
108 info.u_cnt=rrd.live_head->last_up;
109 cd=info_push(cd,sprintf_alloc("last_update"), RD_I_CNT, info);
110
111 for(i=0;i<rrd.stat_head->ds_cnt;i++){
112
113 info.u_str=rrd.ds_def[i].dst;
114 cd=info_push(cd,sprintf_alloc("ds[%s].type", rrd.ds_def[i].ds_nam), RD_I_STR, info);
115
116 current_ds = dst_conv(rrd.ds_def[i].dst);
117 switch (current_ds) {
118 case DST_CDEF:
119 {
120 char *buffer = NULL;
121 rpn_compact2str((rpn_cdefds_t *) &(rrd.ds_def[i].par[DS_cdef]),
122 rrd.ds_def, &buffer);
123 info.u_str = buffer;
124 cd=info_push(cd,sprintf_alloc("ds[%s].cdef",rrd.ds_def[i].ds_nam),RD_I_STR,info);
125 free(buffer);
126 }
127 break;
128 default:
129 info.u_cnt=rrd.ds_def[i].par[DS_mrhb_cnt].u_cnt;
130 cd=info_push(cd,sprintf_alloc("ds[%s].minimal_heartbeat",rrd.ds_def[i].ds_nam), RD_I_CNT, info);
131
132 info.u_val=rrd.ds_def[i].par[DS_min_val].u_val;
133 cd=info_push(cd,sprintf_alloc("ds[%s].min",rrd.ds_def[i].ds_nam), RD_I_VAL, info);
134
135 info.u_val=rrd.ds_def[i].par[DS_max_val].u_val;
136 cd=info_push(cd,sprintf_alloc("ds[%s].max",rrd.ds_def[i].ds_nam), RD_I_VAL, info);
137 break;
138 }
139
140 info.u_str=rrd.pdp_prep[i].last_ds;
141 cd=info_push(cd,sprintf_alloc("ds[%s].last_ds", rrd.ds_def[i].ds_nam), RD_I_STR, info);
142
143 info.u_val=rrd.pdp_prep[i].scratch[PDP_val].u_val;
144 cd=info_push(cd,sprintf_alloc("ds[%s].value", rrd.ds_def[i].ds_nam), RD_I_VAL, info);
145
146 info.u_cnt=rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt;
147 cd=info_push(cd,sprintf_alloc("ds[%s].unknown_sec", rrd.ds_def[i].ds_nam), RD_I_CNT, info);
148 }
149
150 for(i=0;i<rrd.stat_head->rra_cnt;i++){
151 info.u_str=rrd.rra_def[i].cf_nam;
152 cd=info_push(cd,sprintf_alloc("rra[%d].cf", i), RD_I_STR, info);
153 current_cf = cf_conv(rrd.rra_def[i].cf_nam);
154
155 info.u_cnt=rrd.rra_def[i].row_cnt;
156 cd=info_push(cd,sprintf_alloc("rra[%d].rows",i), RD_I_CNT, info);
157
158 info.u_cnt=rrd.rra_ptr[i].cur_row;
159 cd=info_push(cd,sprintf_alloc("rra[%d].cur_row",i), RD_I_CNT, info);
160
161 info.u_cnt=rrd.rra_def[i].pdp_cnt;
162 cd=info_push(cd,sprintf_alloc("rra[%d].pdp_per_row",i), RD_I_CNT, info);
163
164 switch(current_cf)
165 {
166 case CF_HWPREDICT:
167 info.u_val=rrd.rra_def[i].par[RRA_hw_alpha].u_val;
168 cd=info_push(cd,sprintf_alloc("rra[%d].alpha",i),RD_I_VAL,info);
169 info.u_val=rrd.rra_def[i].par[RRA_hw_beta].u_val;
170 cd=info_push(cd,sprintf_alloc("rra[%d].beta",i),RD_I_VAL,info);
171 break;
172 case CF_SEASONAL:
173 case CF_DEVSEASONAL:
174 info.u_val=rrd.rra_def[i].par[RRA_seasonal_gamma].u_val;
175 cd=info_push(cd,sprintf_alloc("rra[%d].gamma",i),RD_I_VAL,info);
176 break;
177 case CF_FAILURES:
178 info.u_val=rrd.rra_def[i].par[RRA_delta_pos].u_val;
179 cd=info_push(cd,sprintf_alloc("rra[%d].delta_pos",i),RD_I_VAL,info);
180 info.u_val=rrd.rra_def[i].par[RRA_delta_neg].u_val;
181 cd=info_push(cd,sprintf_alloc("rra[%d].delta_neg",i),RD_I_VAL,info);
182 info.u_cnt=rrd.rra_def[i].par[RRA_failure_threshold].u_cnt;
183 cd=info_push(cd,sprintf_alloc("rra[%d].failure_threshold",i),RD_I_CNT,info);
184 info.u_cnt=rrd.rra_def[i].par[RRA_window_len].u_cnt;
185 cd=info_push(cd,sprintf_alloc("rra[%d].window_length",i),RD_I_CNT,info);
186 break;
187 case CF_DEVPREDICT:
188 break;
189 default:
190 info.u_val=rrd.rra_def[i].par[RRA_cdp_xff_val].u_val;
191 cd=info_push(cd,sprintf_alloc("rra[%d].xff",i),RD_I_VAL,info);
192 break;
193 }
194
195 for(ii=0;ii<rrd.stat_head->ds_cnt;ii++){
196 switch(current_cf)
197 {
198 case CF_HWPREDICT:
199 info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_hw_intercept].u_val;
200 cd=info_push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].intercept",i,ii), RD_I_VAL, info);
201 info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_hw_slope].u_val;
202 cd=info_push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].slope",i,ii), RD_I_VAL, info);
203 info.u_cnt=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_null_count].u_cnt;
204 cd=info_push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].NaN_count",i,ii), RD_I_CNT, info);
205 break;
206 case CF_SEASONAL:
207 info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_hw_seasonal].u_val;
208 cd=info_push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].seasonal",i,ii), RD_I_VAL, info);
209 break;
210 case CF_DEVSEASONAL:
211 info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_seasonal_deviation].u_val;
212 cd=info_push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].deviation",i,ii), RD_I_VAL, info);
213 break;
214 case CF_DEVPREDICT:
215 break;
216 case CF_FAILURES:
217 {
218 unsigned short j;
219 char *violations_array;
220 char history[MAX_FAILURES_WINDOW_LEN+1];
221 violations_array = (char*) rrd.cdp_prep[i*rrd.stat_head->ds_cnt +ii].scratch;
222 for (j = 0; j < rrd.rra_def[i].par[RRA_window_len].u_cnt; ++j)
223 history[j] = (violations_array[j] == 1) ? '1' : '0';
224 history[j] = '\0';
225 info.u_str = history;
226 cd=info_push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].history",i,ii), RD_I_STR, info);
227 }
228 break;
229 default:
230 info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_val].u_val;
231 cd=info_push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].value",i,ii), RD_I_VAL, info);
232 info.u_cnt=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_unkn_pdp_cnt].u_cnt;
233 cd=info_push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].unknown_datapoints",i,ii), RD_I_CNT, info);
234 break;
235 }
236 }
237 }
238 rrd_free(&rrd);
239 return(data);
240
241 }
242