X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fload.c;h=72c7756a34b27d325b82fcc084e3afdb77f02dc8;hb=148e8732e45435a051df1c3673cad0d5dc77492f;hp=913eb538c1d3623022a69caf70d8ff5bf4350a3b;hpb=55b439475d492599de5134536710180b39dac593;p=collectd.git

diff --git a/src/load.c b/src/load.c
index 913eb538..72c7756a 100644
--- a/src/load.c
+++ b/src/load.c
@@ -1,11 +1,10 @@
 /**
  * collectd - src/load.c
- * Copyright (C) 2005  Florian octo Forster
+ * 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; either version 2 of the License, or (at your
- * option) any later version.
+ * 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
@@ -24,18 +23,14 @@
 #include "common.h"
 #include "plugin.h"
 
-#define MODULE_NAME "load"
-
-#if defined(HAVE_GETLOADAVG) || defined(KERNEL_LINUX) || defined(HAVE_LIBSTATGRAB)
-# define LOAD_HAVE_READ 1
-#else
-# define LOAD_HAVE_READ 0
-#endif
-
 #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
@@ -44,42 +39,26 @@
 #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;
-
-static void load_init (void)
-{
-	return;
-}
+	value_t values[3];
+	value_list_t vl = VALUE_LIST_INIT;
 
-static void load_write (char *host, char *inst, char *val)
-{
-	rrd_update_file (host, load_file, val, ds_def, ds_num);
-}
+	values[0].gauge = snum;
+	values[1].gauge = mnum;
+	values[2].gauge = lnum;
 
-#if LOAD_HAVE_READ
-#define BUFSIZE 256
-static void load_submit (double snum, double mnum, double lnum)
-{
-	char buf[BUFSIZE];
-
-	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
 
-static void load_read (void)
+static int load_read (void)
 {
 #if defined(HAVE_GETLOADAVG)
 	double load[3];
@@ -87,11 +66,15 @@ static void load_read (void)
 	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];
 
@@ -100,23 +83,32 @@ static void load_read (void)
 	
 	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]);
@@ -125,8 +117,8 @@ static void load_read (void)
 	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)
@@ -137,15 +129,16 @@ static void load_read (void)
 	lnum = ls->min15;
 
 	load_submit (snum, mnum, lnum);
-#endif /* HAVE_LIBSTATGRAB */
-}
+/* #endif HAVE_LIBSTATGRAB */
+
 #else
-# define load_read NULL
-#endif /* LOAD_HAVE_READ */
+# error "No applicable input method."
+#endif
 
-void module_register (void)
-{
-	plugin_register (MODULE_NAME, load_init, load_read, load_write);
+	return (0);
 }
 
-#undef MODULE_NAME
+void module_register (void)
+{
+	plugin_register_read ("load", load_read);
+} /* void module_register */