-#include "load.h"
-
-#if COLLECT_LOAD
-#define MODULE_NAME "load"
-
-#include "plugin.h"
+/**
+ * collectd - src/load.c
+ * Copyright (C) 2005-2007 Florian octo Forster
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; only version 2 of the License is applicable.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Authors:
+ * Florian octo Forster <octo at verplant.org>
+ **/
+
+#include "collectd.h"
#include "common.h"
+#include "plugin.h"
#ifdef HAVE_SYS_LOADAVG_H
#include <sys/loadavg.h>
#endif
+#if HAVE_STATGRAB_H
+# include <statgrab.h>
+#endif
+
#ifdef HAVE_GETLOADAVG
#if !defined(LOADAVG_1MIN) || !defined(LOADAVG_5MIN) || !defined(LOADAVG_15MIN)
#define LOADAVG_1MIN 0
#endif
#endif /* defined(HAVE_GETLOADAVG) */
-static char *load_file = "load.rrd";
-
-static char *ds_def[] =
+static void load_submit (gauge_t snum, gauge_t mnum, gauge_t lnum)
{
- "DS:shortterm:GAUGE:25:0:100",
- "DS:midterm:GAUGE:25:0:100",
- "DS:longterm:GAUGE:25:0:100",
- NULL
-};
-static int ds_num = 3;
-
-extern time_t curtime;
-
-void load_init (void)
-{
- return;
-}
-
-void load_write (char *host, char *inst, char *val)
-{
- rrd_update_file (host, load_file, val, ds_def, ds_num);
-}
+ value_t values[3];
+ value_list_t vl = VALUE_LIST_INIT;
-#define BUFSIZE 256
-void load_submit (double snum, double mnum, double lnum)
-{
- char buf[BUFSIZE];
+ values[0].gauge = snum;
+ values[1].gauge = mnum;
+ values[2].gauge = lnum;
- if (snprintf (buf, BUFSIZE, "%u:%.2f:%.2f:%.2f", (unsigned int) curtime,
- snum, mnum, lnum) >= BUFSIZE)
- return;
+ vl.values = values;
+ vl.values_len = STATIC_ARRAY_SIZE (values);
+ vl.time = time (NULL);
+ sstrncpy (vl.host, hostname_g, sizeof (vl.host));
+ sstrncpy (vl.plugin, "load", sizeof (vl.plugin));
+ sstrncpy (vl.type, "load", sizeof (vl.type));
- plugin_submit (MODULE_NAME, "-", buf);
+ plugin_dispatch_values (&vl);
}
-#undef BUFSIZE
-void load_read (void)
+static int load_read (void)
{
#if defined(HAVE_GETLOADAVG)
double load[3];
if (getloadavg (load, 3) == 3)
load_submit (load[LOADAVG_1MIN], load[LOADAVG_5MIN], load[LOADAVG_15MIN]);
else
- syslog (LOG_WARNING, "load: getloadavg failed: %s", strerror (errno));
+ {
+ char errbuf[1024];
+ WARNING ("load: getloadavg failed: %s",
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ }
/* #endif HAVE_GETLOADAVG */
#elif defined(KERNEL_LINUX)
- double snum, mnum, lnum;
+ gauge_t snum, mnum, lnum;
FILE *loadavg;
char buffer[16];
if ((loadavg = fopen ("/proc/loadavg", "r")) == NULL)
{
- syslog (LOG_WARNING, "load: fopen: %s", strerror (errno));
- return;
+ char errbuf[1024];
+ WARNING ("load: fopen: %s",
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ return (-1);
}
if (fgets (buffer, 16, loadavg) == NULL)
{
- syslog (LOG_WARNING, "load: fgets: %s", strerror (errno));
- return;
+ char errbuf[1024];
+ WARNING ("load: fgets: %s",
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ fclose (loadavg);
+ return (-1);
}
if (fclose (loadavg))
- syslog (LOG_WARNING, "load: fclose: %s", strerror (errno));
+ {
+ char errbuf[1024];
+ WARNING ("load: fclose: %s",
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ }
numfields = strsplit (buffer, fields, 8);
if (numfields < 3)
- return;
+ return (-1);
snum = atof (fields[0]);
mnum = atof (fields[1]);
load_submit (snum, mnum, lnum);
/* #endif KERNEL_LINUX */
-#elif defined(HAVE_LIBSTATGRAB)
- double snum, mnum, lnum;
+#elif HAVE_LIBSTATGRAB
+ gauge_t snum, mnum, lnum;
sg_load_stats *ls;
if ((ls = sg_get_load_stats ()) == NULL)
lnum = ls->min15;
load_submit (snum, mnum, lnum);
-#endif /* HAVE_LIBSTATGRAB */
+/* #endif HAVE_LIBSTATGRAB */
+
+#else
+# error "No applicable input method."
+#endif
+
+ return (0);
}
void module_register (void)
{
- plugin_register (MODULE_NAME, load_init, load_read, load_write);
-}
-
-#undef MODULE_NAME
-#endif /* COLLECT_LOAD */
+ plugin_register_read ("load", load_read);
+} /* void module_register */