381 lines
10 KiB
C
381 lines
10 KiB
C
/*****************************************************************************
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* RRDtool 1.4.9 Copyright by Tobi Oetiker, 1997-2014
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*****************************************************************************
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* rrd_info Get Information about the configuration of an RRD
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*****************************************************************************/
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#include "rrd_tool.h"
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#include "rrd_rpncalc.h"
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#ifndef RRD_LITE
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#include "rrd_client.h"
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#endif
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#include <stdarg.h>
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/* proto */
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rrd_info_t *rrd_info(int, char **);
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rrd_info_t *rrd_info_r(char *filename, int *ret_p);
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/* allocate memory for string */
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char *sprintf_alloc(char *fmt, ...) {
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char *str = NULL;
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va_list argp;
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#ifdef HAVE_VASPRINTF
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va_start( argp, fmt );
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if (vasprintf( &str, fmt, argp ) == -1){
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va_end(argp);
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//rrd_set_error ("vasprintf failed.");
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return(NULL);
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}
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#else
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int maxlen = 1024 + strlen(fmt);
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str = (char*)malloc(sizeof(char) * (maxlen + 1));
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if (str != NULL) {
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va_start(argp, fmt);
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#ifdef HAVE_VSNPRINTF
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vsnprintf(str, maxlen, fmt, argp);
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#else
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vsprintf(str, fmt, argp);
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#endif
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}
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#endif /* HAVE_VASPRINTF */
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va_end(argp);
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return str;
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}
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/* the function formerly known as push was renamed to info_push and later
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* rrd_info_push because it is now used outside the scope of this file */
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rrd_info_t * rrd_info_push(rrd_info_t * info, char *key, rrd_info_type_t type,
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rrd_infoval_t value) {
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rrd_info_t *next;
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next = (rrd_info_t*)malloc(sizeof(*next));
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next->next = (rrd_info_t *) 0;
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if (info)
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info->next = next;
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next->type = type;
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next->key = key;
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switch (type) {
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case RD_I_VAL:
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next->value.u_val = value.u_val;
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break;
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case RD_I_CNT:
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next->value.u_cnt = value.u_cnt;
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break;
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case RD_I_INT:
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next->value.u_int = value.u_int;
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break;
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case RD_I_STR:
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next->value.u_str = (char*)malloc(sizeof(char) * (strlen(value.u_str) + 1));
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strcpy(next->value.u_str, value.u_str);
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break;
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case RD_I_BLO:
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next->value.u_blo.size = value.u_blo.size;
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next->value.u_blo.ptr =
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(unsigned char *)malloc(sizeof(unsigned char) * value.u_blo.size);
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memcpy(next->value.u_blo.ptr, value.u_blo.ptr, value.u_blo.size);
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break;
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}
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return (next);
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}
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rrd_info_t *rrd_info_r(char *filename, int *ret_p) {
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unsigned int i, ii = 0;
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rrd_t rrd;
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rrd_info_t *data = NULL, *cd;
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rrd_infoval_t info;
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rrd_file_t *rrd_file;
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enum cf_en current_cf;
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enum dst_en current_ds;
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rrd_init(&rrd);
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rrd_file = rrd_open(filename, &rrd, RRD_READONLY, ret_p);
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if (rrd_file == NULL)
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goto err_free;
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info.u_str = filename;
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cd = rrd_info_push(NULL, sprintf_alloc("filename"), RD_I_STR, info);
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data = cd;
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info.u_str = rrd.stat_head->version;
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cd = rrd_info_push(cd, sprintf_alloc("rrd_version"), RD_I_STR, info);
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info.u_cnt = rrd.stat_head->pdp_step;
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cd = rrd_info_push(cd, sprintf_alloc("step"), RD_I_CNT, info);
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info.u_cnt = rrd.live_head->last_up;
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cd = rrd_info_push(cd, sprintf_alloc("last_update"), RD_I_CNT, info);
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info.u_cnt = rrd_get_header_size(&rrd);
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cd = rrd_info_push(cd, sprintf_alloc("header_size"), RD_I_CNT, info);
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for (i = 0; i < rrd.stat_head->ds_cnt; i++) {
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info.u_cnt=i;
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cd= rrd_info_push(cd,sprintf_alloc("ds[%s].index",
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rrd.ds_def[i].ds_nam),
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RD_I_CNT, info);
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info.u_str = rrd.ds_def[i].dst;
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cd = rrd_info_push(cd, sprintf_alloc("ds[%s].type",
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rrd.ds_def[i].ds_nam),
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RD_I_STR, info);
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current_ds = dst_conv(rrd.ds_def[i].dst);
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switch (current_ds) {
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case DST_CDEF:
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{
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char *buffer = NULL;
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rpn_compact2str((rpn_cdefds_t *) &(rrd.ds_def[i].par[DS_cdef]),
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rrd.ds_def, &buffer);
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info.u_str = buffer;
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cd = rrd_info_push(cd,
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sprintf_alloc("ds[%s].cdef",
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rrd.ds_def[i].ds_nam), RD_I_STR,
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info);
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free(buffer);
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}
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break;
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default:
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info.u_cnt = rrd.ds_def[i].par[DS_mrhb_cnt].u_cnt;
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cd = rrd_info_push(cd,
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sprintf_alloc("ds[%s].minimal_heartbeat",
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rrd.ds_def[i].ds_nam), RD_I_CNT,
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info);
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info.u_val = rrd.ds_def[i].par[DS_min_val].u_val;
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cd = rrd_info_push(cd,
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sprintf_alloc("ds[%s].min",
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rrd.ds_def[i].ds_nam), RD_I_VAL,
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info);
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info.u_val = rrd.ds_def[i].par[DS_max_val].u_val;
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cd = rrd_info_push(cd,
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sprintf_alloc("ds[%s].max",
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rrd.ds_def[i].ds_nam), RD_I_VAL,
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info);
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break;
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}
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info.u_str = rrd.pdp_prep[i].last_ds;
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cd = rrd_info_push(cd,
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sprintf_alloc("ds[%s].last_ds",
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rrd.ds_def[i].ds_nam), RD_I_STR,
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info);
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info.u_val = rrd.pdp_prep[i].scratch[PDP_val].u_val;
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cd = rrd_info_push(cd,
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sprintf_alloc("ds[%s].value",
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rrd.ds_def[i].ds_nam), RD_I_VAL,
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info);
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info.u_cnt = rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt;
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cd = rrd_info_push(cd,
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sprintf_alloc("ds[%s].unknown_sec",
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rrd.ds_def[i].ds_nam), RD_I_CNT,
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info);
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}
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for (i = 0; i < rrd.stat_head->rra_cnt; i++) {
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info.u_str = rrd.rra_def[i].cf_nam;
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cd = rrd_info_push(cd, sprintf_alloc("rra[%d].cf", i), RD_I_STR,
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info);
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current_cf = cf_conv(rrd.rra_def[i].cf_nam);
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info.u_cnt = rrd.rra_def[i].row_cnt;
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cd = rrd_info_push(cd, sprintf_alloc("rra[%d].rows", i), RD_I_CNT,
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info);
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info.u_cnt = rrd.rra_ptr[i].cur_row;
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cd = rrd_info_push(cd, sprintf_alloc("rra[%d].cur_row", i), RD_I_CNT,
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info);
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info.u_cnt = rrd.rra_def[i].pdp_cnt;
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cd = rrd_info_push(cd, sprintf_alloc("rra[%d].pdp_per_row", i),
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RD_I_CNT, info);
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switch (current_cf) {
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case CF_HWPREDICT:
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case CF_MHWPREDICT:
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info.u_val = rrd.rra_def[i].par[RRA_hw_alpha].u_val;
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cd = rrd_info_push(cd, sprintf_alloc("rra[%d].alpha", i),
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RD_I_VAL, info);
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info.u_val = rrd.rra_def[i].par[RRA_hw_beta].u_val;
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cd = rrd_info_push(cd, sprintf_alloc("rra[%d].beta", i), RD_I_VAL,
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info);
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break;
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case CF_SEASONAL:
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case CF_DEVSEASONAL:
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info.u_val = rrd.rra_def[i].par[RRA_seasonal_gamma].u_val;
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cd = rrd_info_push(cd, sprintf_alloc("rra[%d].gamma", i),
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RD_I_VAL, info);
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if (atoi(rrd.stat_head->version) >= 4) {
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info.u_val =
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rrd.rra_def[i].par[RRA_seasonal_smoothing_window].u_val;
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cd = rrd_info_push(cd,
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sprintf_alloc("rra[%d].smoothing_window",
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i), RD_I_VAL, info);
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}
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break;
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case CF_FAILURES:
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info.u_val = rrd.rra_def[i].par[RRA_delta_pos].u_val;
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cd = rrd_info_push(cd, sprintf_alloc("rra[%d].delta_pos", i),
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RD_I_VAL, info);
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info.u_val = rrd.rra_def[i].par[RRA_delta_neg].u_val;
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cd = rrd_info_push(cd, sprintf_alloc("rra[%d].delta_neg", i),
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RD_I_VAL, info);
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info.u_cnt = rrd.rra_def[i].par[RRA_failure_threshold].u_cnt;
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cd = rrd_info_push(cd,
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sprintf_alloc("rra[%d].failure_threshold", i),
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RD_I_CNT, info);
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info.u_cnt = rrd.rra_def[i].par[RRA_window_len].u_cnt;
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cd = rrd_info_push(cd, sprintf_alloc("rra[%d].window_length", i),
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RD_I_CNT, info);
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break;
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case CF_DEVPREDICT:
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break;
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default:
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info.u_val = rrd.rra_def[i].par[RRA_cdp_xff_val].u_val;
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cd = rrd_info_push(cd, sprintf_alloc("rra[%d].xff", i), RD_I_VAL,
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info);
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break;
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}
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for (ii = 0; ii < rrd.stat_head->ds_cnt; ii++) {
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switch (current_cf) {
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case CF_HWPREDICT:
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case CF_MHWPREDICT:
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info.u_val =
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rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
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ii].scratch[CDP_hw_intercept].u_val;
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cd = rrd_info_push(cd,
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sprintf_alloc
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("rra[%d].cdp_prep[%d].intercept", i, ii),
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RD_I_VAL, info);
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info.u_val =
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rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
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ii].scratch[CDP_hw_slope].u_val;
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cd = rrd_info_push(cd,
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sprintf_alloc("rra[%d].cdp_prep[%d].slope",
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i, ii), RD_I_VAL, info);
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info.u_cnt =
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rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
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ii].scratch[CDP_null_count].u_cnt;
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cd = rrd_info_push(cd,
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sprintf_alloc
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("rra[%d].cdp_prep[%d].NaN_count", i, ii),
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RD_I_CNT, info);
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break;
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case CF_SEASONAL:
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info.u_val =
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rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
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ii].scratch[CDP_hw_seasonal].u_val;
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cd = rrd_info_push(cd,
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sprintf_alloc
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("rra[%d].cdp_prep[%d].seasonal", i, ii),
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RD_I_VAL, info);
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break;
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case CF_DEVSEASONAL:
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info.u_val =
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rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
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ii].scratch[CDP_seasonal_deviation].u_val;
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cd = rrd_info_push(cd,
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sprintf_alloc
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("rra[%d].cdp_prep[%d].deviation", i, ii),
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RD_I_VAL, info);
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break;
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case CF_DEVPREDICT:
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break;
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case CF_FAILURES:
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{
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unsigned short j;
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char *violations_array;
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char history[MAX_FAILURES_WINDOW_LEN + 1];
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violations_array =
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(char *) rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
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ii].scratch;
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for (j = 0; j < rrd.rra_def[i].par[RRA_window_len].u_cnt; ++j)
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history[j] = (violations_array[j] == 1) ? '1' : '0';
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history[j] = '\0';
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info.u_str = history;
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cd = rrd_info_push(cd,
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sprintf_alloc
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("rra[%d].cdp_prep[%d].history", i, ii),
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RD_I_STR, info);
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}
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break;
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default:
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info.u_val =
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rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
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ii].scratch[CDP_val].u_val;
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cd = rrd_info_push(cd,
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sprintf_alloc("rra[%d].cdp_prep[%d].value",
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i, ii), RD_I_VAL, info);
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info.u_cnt =
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rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
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ii].scratch[CDP_unkn_pdp_cnt].u_cnt;
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cd = rrd_info_push(cd,
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sprintf_alloc
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("rra[%d].cdp_prep[%d].unknown_datapoints",
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i, ii), RD_I_CNT, info);
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break;
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}
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}
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}
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rrd_close(rrd_file);
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err_free:
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rrd_free(&rrd);
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return (data);
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}
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void rrd_info_print(rrd_info_t * data) {
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while (data) {
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printf("%s = ", data->key);
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switch (data->type) {
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case RD_I_VAL:
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if (isnan(data->value.u_val))
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printf("NaN\n");
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else
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printf("%0.10e\n", data->value.u_val);
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break;
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case RD_I_CNT:
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printf("%lu\n", data->value.u_cnt);
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break;
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case RD_I_INT:
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printf("%d\n", data->value.u_int);
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break;
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case RD_I_STR:
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printf("\"%s\"\n", data->value.u_str);
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break;
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case RD_I_BLO:
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printf("BLOB_SIZE:%lu\n", data->value.u_blo.size);
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fwrite(data->value.u_blo.ptr, data->value.u_blo.size, 1, stdout);
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break;
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}
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data = data->next;
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}
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}
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void rrd_info_free(rrd_info_t * data) {
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rrd_info_t *save;
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while (data) {
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save = data;
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if (data->key) {
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if (data->type == RD_I_STR) {
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free(data->value.u_str);
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}
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if (data->type == RD_I_BLO) {
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free(data->value.u_blo.ptr);
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}
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free(data->key);
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}
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data = data->next;
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free(save);
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}
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}
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