/*****************************************************************************
- * RRDtool 1.3rc5 Copyright by Tobi Oetiker, 1997-2008
+ * RRDtool 1.3.2 Copyright by Tobi Oetiker, 1997-2008
*****************************************************************************
* rrd_fetch.c read date from an rrd to use for further processing
*****************************************************************************
*****************************************************************************/
#include "rrd_tool.h"
+#include "rrd_client.h"
#include "rrd_is_thread_safe.h"
-/*#define DEBUG*/
+/* #define DEBUG */
int rrd_fetch(
int argc,
long step_tmp = 1;
time_t start_tmp = 0, end_tmp = 0;
const char *cf;
+ char *opt_daemon = NULL;
+ int status;
- struct rrd_time_value start_tv, end_tv;
+ rrd_time_value_t start_tv, end_tv;
char *parsetime_error = NULL;
struct option long_options[] = {
{"resolution", required_argument, 0, 'r'},
{"start", required_argument, 0, 's'},
{"end", required_argument, 0, 'e'},
+ {"daemon", required_argument, 0, 'd'},
{0, 0, 0, 0}
};
opterr = 0; /* initialize getopt */
/* init start and end time */
- parsetime("end-24h", &start_tv);
- parsetime("now", &end_tv);
+ rrd_parsetime("end-24h", &start_tv);
+ rrd_parsetime("now", &end_tv);
while (1) {
int option_index = 0;
int opt;
- opt = getopt_long(argc, argv, "r:s:e:", long_options, &option_index);
+ opt = getopt_long(argc, argv, "r:s:e:d:", long_options, &option_index);
if (opt == EOF)
break;
switch (opt) {
case 's':
- if ((parsetime_error = parsetime(optarg, &start_tv))) {
+ if ((parsetime_error = rrd_parsetime(optarg, &start_tv))) {
rrd_set_error("start time: %s", parsetime_error);
return -1;
}
break;
case 'e':
- if ((parsetime_error = parsetime(optarg, &end_tv))) {
+ if ((parsetime_error = rrd_parsetime(optarg, &end_tv))) {
rrd_set_error("end time: %s", parsetime_error);
return -1;
}
case 'r':
step_tmp = atol(optarg);
break;
+
+ case 'd':
+ if (opt_daemon != NULL)
+ free (opt_daemon);
+ opt_daemon = strdup (optarg);
+ if (opt_daemon == NULL)
+ {
+ rrd_set_error ("strdup failed.");
+ return (-1);
+ }
+ break;
+
case '?':
rrd_set_error("unknown option '-%c'", optopt);
return (-1);
}
- if (proc_start_end(&start_tv, &end_tv, &start_tmp, &end_tmp) == -1) {
+ if (rrd_proc_start_end(&start_tv, &end_tv, &start_tmp, &end_tmp) == -1) {
return -1;
}
*step = step_tmp;
if (optind + 1 >= argc) {
- rrd_set_error("not enough arguments");
+ rrd_set_error("Usage: rrdtool %s <file> <CF> [options]", argv[0]);
return -1;
}
+ status = rrdc_flush_if_daemon(opt_daemon, argv[optind]);
+ if (opt_daemon) free (opt_daemon);
+ if (status) return (-1);
+
cf = argv[optind + 1];
- if (rrd_fetch_r(argv[optind], cf, start, end, step, ds_cnt, ds_namv, data)
- != 0)
+ status = rrd_fetch_r(argv[optind], cf, start, end, step,
+ ds_cnt, ds_namv, data);
+ if (status != 0)
return (-1);
return (0);
}
return (rrd_fetch_fn
(filename, cf_idx, start, end, step, ds_cnt, ds_namv, data));
-}
+} /* int rrd_fetch_r */
int rrd_fetch_fn(
const char *filename, /* name of the rrd */
long best_full_step_diff = 0, best_part_step_diff =
0, tmp_step_diff = 0, tmp_match = 0, best_match = 0;
long full_match, rra_base;
- long start_offset, end_offset;
+ off_t start_offset, end_offset;
int first_full = 1;
int first_part = 1;
rrd_t rrd;
*start, *end, *step);
#endif
+#ifdef HAVE_LIBDBI
+ /* handle libdbi datasources */
+ if (strncmp("sql",filename,3)==0) {
+ if (filename[3]==filename[4]) {
+ return rrd_fetch_fn_libdbi(filename,cf_idx,start,end,step,ds_cnt,ds_namv,data);
+ }
+ }
+#endif
+
+ rrd_init(&rrd);
rrd_file = rrd_open(filename, &rrd, RRD_READONLY);
if (rrd_file == NULL)
goto err_free;
}
for (i = 0; (unsigned long) i < rrd.stat_head->ds_cnt; i++) {
- if ((((*ds_namv)[i]) = malloc(sizeof(char) * DS_NAM_SIZE)) == NULL) {
+ if ((((*ds_namv)[i]) = (char*)malloc(sizeof(char) * DS_NAM_SIZE)) == NULL) {
rrd_set_error("malloc fetch ds_namv entry");
goto err_free_ds_namv;
}
** database is the one with time stamp (t+s) which means t to t+s.
*/
*ds_cnt = rrd.stat_head->ds_cnt;
- if (((*data) = malloc(*ds_cnt * rows * sizeof(rrd_value_t))) == NULL) {
+ if (((*data) = (rrd_value_t*)malloc(*ds_cnt * rows * sizeof(rrd_value_t))) == NULL) {
rrd_set_error("malloc fetch data area");
goto err_free_all_ds_namv;
}
"rra_start %lu, rra_end %lu, start_off %li, end_off %li\n",
rra_start_time, rra_end_time, start_offset, end_offset);
#endif
-
- /* fill the gap at the start if needs be */
-
- if (start_offset <= 0)
- rra_pointer = rrd.rra_ptr[chosen_rra].cur_row + 1;
- else
- rra_pointer = rrd.rra_ptr[chosen_rra].cur_row + 1 + start_offset;
-
- if (rrd_seek(rrd_file, (rra_base + (rra_pointer * (*ds_cnt)
+ /* only seek if the start time is before the end time */
+ if (*start <= rra_end_time && *end >= rra_start_time - (off_t)*step ){
+ if (start_offset <= 0)
+ rra_pointer = rrd.rra_ptr[chosen_rra].cur_row + 1;
+ else
+ rra_pointer = rrd.rra_ptr[chosen_rra].cur_row + 1 + start_offset;
+
+ rra_pointer = rra_pointer % (signed) rrd.rra_def[chosen_rra].row_cnt;
+
+ if (rrd_seek(rrd_file, (rra_base + (rra_pointer * (*ds_cnt)
* sizeof(rrd_value_t))),
SEEK_SET) != 0) {
- rrd_set_error("seek error in RRA");
- goto err_free_data;
- }
+ rrd_set_error("seek error in RRA");
+ goto err_free_data;
+ }
#ifdef DEBUG
- fprintf(stderr, "First Seek: rra_base %lu rra_pointer %lu\n",
- rra_base, rra_pointer);
+ fprintf(stderr, "First Seek: rra_base %lu rra_pointer %lu\n",
+ rra_base, rra_pointer);
#endif
+ }
+
/* step trough the array */
for (i = start_offset;
}
rrd_close(rrd_file);
+ rrd_free(&rrd);
return (0);
err_free_data:
free(*data);
projects / rrdtool.git / blobdiff