/*****************************************************************************
* RRDtool 1.3.2 Copyright by Tobi Oetiker, 1997-2008
+ * Copyright by Florian Forster, 2008
*****************************************************************************
* rrd_lastupdate Get the last datum entered for each DS
*****************************************************************************/
#include "rrd_tool.h"
#include "rrd_rpncalc.h"
+#include "rrd_client.h"
#include <stdarg.h>
-int rrd_lastupdate(
- int argc,
- char **argv,
- time_t *last_update,
- unsigned long *ds_cnt,
- char ***ds_namv,
- char ***last_ds)
+int rrd_lastupdate (int argc, char **argv)
+{
+ time_t last_update;
+ char **ds_names;
+ char **last_ds;
+ unsigned long ds_count, i;
+ int status;
+
+ char *opt_daemon = NULL;
+
+ optind = 0;
+ opterr = 0; /* initialize getopt */
+
+ while (42) {
+ int opt;
+ int option_index = 0;
+ static struct option long_options[] = {
+ {"daemon", required_argument, 0, 'd'},
+ {0, 0, 0, 0}
+ };
+
+ opt = getopt_long (argc, argv, "d:", long_options, &option_index);
+
+ if (opt == EOF)
+ break;
+
+ switch (opt) {
+ 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;
+
+ default:
+ rrd_set_error ("Usage: rrdtool %s [--daemon <addr>] <file>",
+ argv[0]);
+ return (-1);
+ break;
+ }
+ } /* while (42) */
+
+ if ((argc - optind) != 1) {
+ rrd_set_error ("Usage: rrdtool %s [--daemon <addr>] <file>",
+ argv[0]);
+ return (-1);
+ }
+
+ status = rrdc_flush_if_daemon(opt_daemon, argv[optind]);
+ if (opt_daemon) free (opt_daemon);
+ if (status) return (-1);
+
+ status = rrd_lastupdate_r (argv[optind],
+ &last_update, &ds_count, &ds_names, &last_ds);
+ if (status != 0)
+ return (status);
+
+ for (i = 0; i < ds_count; i++)
+ printf(" %s", ds_names[i]);
+ printf ("\n\n");
+
+ printf ("%10lu:", last_update);
+ for (i = 0; i < ds_count; i++) {
+ printf(" %s", last_ds[i]);
+ free(last_ds[i]);
+ free(ds_names[i]);
+ }
+ printf("\n");
+
+ free(last_ds);
+ free(ds_names);
+
+ return (0);
+} /* int rrd_lastupdate */
+
+int rrd_lastupdate_r(const char *filename,
+ time_t *ret_last_update,
+ unsigned long *ret_ds_count,
+ char ***ret_ds_names,
+ char ***ret_last_ds)
{
unsigned long i = 0;
- char *filename;
rrd_t rrd;
rrd_file_t *rrd_file;
- if (argc < 2) {
- rrd_set_error("please specify an rrd");
- goto err_out;
+ rrd_init(&rrd);
+ rrd_file = rrd_open(filename, &rrd, RRD_READONLY);
+ if (rrd_file == NULL) {
+ rrd_free(&rrd);
+ return (-1);
}
- filename = argv[1];
- rrd_file = rrd_open(filename, &rrd, RRD_READONLY);
- if (rrd_file == NULL)
- goto err_free;
-
- *last_update = rrd.live_head->last_up;
- *ds_cnt = rrd.stat_head->ds_cnt;
- if (((*ds_namv) =
- (char **) malloc(rrd.stat_head->ds_cnt * sizeof(char *))) == NULL) {
- rrd_set_error("malloc fetch ds_namv array");
- goto err_close;
+ *ret_last_update = rrd.live_head->last_up;
+ *ret_ds_count = rrd.stat_head->ds_cnt;
+ *ret_ds_names = (char **) malloc (rrd.stat_head->ds_cnt * sizeof(char *));
+ if (*ret_ds_names == NULL) {
+ rrd_set_error ("malloc fetch ret_ds_names array");
+ rrd_close (rrd_file);
+ rrd_free (&rrd);
+ return (-1);
}
+ memset (*ret_ds_names, 0, rrd.stat_head->ds_cnt * sizeof(char *));
- if (((*last_ds) =
- (char **) malloc(rrd.stat_head->ds_cnt * sizeof(char *))) == NULL) {
- rrd_set_error("malloc fetch last_ds array");
- goto err_free_ds_namv;
+ *ret_last_ds = (char **) malloc (rrd.stat_head->ds_cnt * sizeof(char *));
+ if (*ret_last_ds == NULL) {
+ rrd_set_error ("malloc fetch ret_last_ds array");
+ free (*ret_ds_names);
+ *ret_ds_names = NULL;
+ rrd_close (rrd_file);
+ rrd_free (&rrd);
+ return (-1);
}
+ memset (*ret_last_ds, 0, rrd.stat_head->ds_cnt * sizeof(char *));
for (i = 0; i < rrd.stat_head->ds_cnt; i++) {
- (*ds_namv)[i] = sprintf_alloc("%s", rrd.ds_def[i].ds_nam);
- (*last_ds)[i] = sprintf_alloc("%s", rrd.pdp_prep[i].last_ds);
+ (*ret_ds_names)[i] = sprintf_alloc("%s", rrd.ds_def[i].ds_nam);
+ (*ret_last_ds)[i] = sprintf_alloc("%s", rrd.pdp_prep[i].last_ds);
+
+ if (((*ret_ds_names)[i] == NULL) || ((*ret_last_ds)[i] == NULL))
+ break;
+ }
+
+ /* Check if all names and values could be copied and free everything if
+ * not. */
+ if (i < rrd.stat_head->ds_cnt) {
+ rrd_set_error ("sprintf_alloc failed");
+ for (i = 0; i < rrd.stat_head->ds_cnt; i++) {
+ if ((*ret_ds_names)[i] != NULL)
+ {
+ free ((*ret_ds_names)[i]);
+ (*ret_ds_names)[i] = NULL;
+ }
+ if ((*ret_last_ds)[i] != NULL)
+ {
+ free ((*ret_last_ds)[i]);
+ (*ret_last_ds)[i] = NULL;
+ }
+ }
+ free (*ret_ds_names);
+ *ret_ds_names = NULL;
+ free (*ret_last_ds);
+ *ret_last_ds = NULL;
+ rrd_close (rrd_file);
+ rrd_free (&rrd);
+ return (-1);
}
rrd_free(&rrd);
rrd_close(rrd_file);
return (0);
-
- err_free_ds_namv:
- free(*ds_namv);
- err_close:
- rrd_close(rrd_file);
- err_free:
- rrd_free(&rrd);
- err_out:
- return (-1);
-}
+} /* int rrd_lastupdate_r */
projects / rrdtool.git / blobdiff