/*
* Public functions
*/
int cu_rrd_create_file(const char *filename, /* {{{ */
const data_set_t *ds, const value_list_t *vl,
const rrdcreate_config_t *cfg) {
char **argv;
int argc;
char **rra_def = NULL;
int rra_num;
char **ds_def = NULL;
int ds_num;
int status = 0;
time_t last_up;
unsigned long stepsize;
if (check_create_dir(filename))
return -1;
if ((rra_num = rra_get(&rra_def, vl, cfg)) < 1) {
P_ERROR("cu_rrd_create_file failed: Could not calculate RRAs");
return -1;
}
if ((ds_num = ds_get(&ds_def, ds, vl, cfg)) < 1) {
P_ERROR("cu_rrd_create_file failed: Could not calculate DSes");
rra_free(rra_num, rra_def);
return -1;
}
argc = ds_num + rra_num;
if ((argv = malloc(sizeof(*argv) * (argc + 1))) == NULL) {
P_ERROR("cu_rrd_create_file failed: %s", STRERRNO);
rra_free(rra_num, rra_def);
ds_free(ds_num, ds_def);
return -1;
}
memcpy(argv, ds_def, ds_num * sizeof(char *));
memcpy(argv + ds_num, rra_def, rra_num * sizeof(char *));
argv[ds_num + rra_num] = NULL;
last_up = CDTIME_T_TO_TIME_T(vl->time);
if (last_up <= 0)
last_up = time(NULL);
last_up -= 1;
if (cfg->stepsize > 0)
stepsize = cfg->stepsize;
else
stepsize = (unsigned long)CDTIME_T_TO_TIME_T(vl->interval);
if (cfg->async) {
status = srrd_create_async(filename, stepsize, last_up, argc,
(const char **)argv);
if (status != 0)
P_WARNING("cu_rrd_create_file: srrd_create_async (%s) "
"returned status %i.",
filename, status);
} else /* synchronous */
{
status = lock_file(filename);
if (status != 0) {
if (status == EEXIST)
P_NOTICE("cu_rrd_create_file: File \"%s\" is already being created.",
filename);
else
P_ERROR("cu_rrd_create_file: Unable to lock file \"%s\".", filename);
} else {
status =
srrd_create(filename, stepsize, last_up, argc, (const char **)argv);
if (status != 0) {
P_WARNING("cu_rrd_create_file: srrd_create (%s) returned status %i.",
filename, status);
} else {
DEBUG("cu_rrd_create_file: Successfully created RRD file \"%s\".",
filename);
}
unlock_file(filename);
}
}
free(argv);
ds_free(ds_num, ds_def);
rra_free(rra_num, rra_def);
return status;
} /* }}} int cu_rrd_create_file */
/*
* Public functions
*/
int cu_rrd_create_file (const char *filename, /* {{{ */
const data_set_t *ds, const value_list_t *vl,
const rrdcreate_config_t *cfg)
{
char **argv;
int argc;
char **rra_def;
int rra_num;
char **ds_def;
int ds_num;
int status = 0;
time_t last_up;
unsigned long stepsize;
if (check_create_dir (filename))
return (-1);
if ((rra_num = rra_get (&rra_def, vl, cfg)) < 1)
{
ERROR ("cu_rrd_create_file failed: Could not calculate RRAs");
return (-1);
}
if ((ds_num = ds_get (&ds_def, ds, vl, cfg)) < 1)
{
ERROR ("cu_rrd_create_file failed: Could not calculate DSes");
return (-1);
}
argc = ds_num + rra_num;
if ((argv = (char **) malloc (sizeof (char *) * (argc + 1))) == NULL)
{
char errbuf[1024];
ERROR ("cu_rrd_create_file failed: %s",
sstrerror (errno, errbuf, sizeof (errbuf)));
return (-1);
}
memcpy (argv, ds_def, ds_num * sizeof (char *));
memcpy (argv + ds_num, rra_def, rra_num * sizeof (char *));
argv[ds_num + rra_num] = NULL;
last_up = CDTIME_T_TO_TIME_T (vl->time);
if (last_up <= 0)
last_up = time (NULL);
last_up -= 1;
if (cfg->stepsize > 0)
stepsize = cfg->stepsize;
else
stepsize = (unsigned long) CDTIME_T_TO_TIME_T (vl->interval);
if (cfg->async)
{
status = srrd_create_async (filename, stepsize, last_up,
argc, (const char **) argv);
if (status != 0)
WARNING ("cu_rrd_create_file: srrd_create_async (%s) "
"returned status %i.",
filename, status);
}
else /* synchronous */
{
status = srrd_create (filename, stepsize, last_up,
argc, (const char **) argv);
if (status != 0)
{
WARNING ("cu_rrd_create_file: srrd_create (%s) returned status %i.",
filename, status);
}
else
{
DEBUG ("cu_rrd_create_file: Successfully created RRD file \"%s\".",
filename);
}
}
free (argv);
ds_free (ds_num, ds_def);
rra_free (rra_num, rra_def);
return (status);
} /* }}} int cu_rrd_create_file */