contrib/exec-nagios.px: Added a Perl script which handles Nagios plugins.

[collectd.git] / src / vserver.c

diff --git a/src/vserver.c b/src/vserver.c
index 00a1e6a..7b83c61 100644 (file)
--- a/src/vserver.c
+++ b/src/vserver.c
@@ -4,8 +4,7 @@
  *
  * 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
@@ -25,78 +24,16 @@
 #include "plugin.h"
 
 #include <dirent.h>
-#include <errno.h>
-#include <stdio.h>
-#include <string.h>
-#include <syslog.h>
 #include <sys/types.h>
-#include <unistd.h>
 
 #define BUFSIZE 512
 
-#define MODULE_NAME "vserver"
 #define PROCDIR "/proc/virtual"
 
-#if defined(KERNEL_LINUX)
-# define VSERVER_HAVE_READ 1
-#else
-# define VSERVER_HAVE_READ 0
-#endif /* defined(KERNEL_LINUX) */
+#if !KERNEL_LINUX
+# error "No applicable input method."
+#endif
 
-static data_source_t octets_dsrc[2] =
-{
-       {"rx", DS_TYPE_COUNTER, 0, 4294967295.0},
-       {"tx", DS_TYPE_COUNTER, 0, 4294967295.0}
-};
-
-static data_set_t octets_ds =
-{
-       "if_octets", 2, octets_dsrc
-};
-
-static data_source_t load_dsrc[3] =
-{
-       {"shortterm", DS_TYPE_GAUGE, 0.0, 100.0},
-       {"midterm",   DS_TYPE_GAUGE, 0.0, 100.0},
-       {"longterm",  DS_TYPE_GAUGE, 0.0, 100.0}
-};
-
-static data_set_t load_ds =
-{
-       "load", 3, load_dsrc
-};
-
-static data_source_t threads_dsrc[1] =
-{
-       {"value", DS_TYPE_GAUGE, 0.0, 65535.0}
-};
-
-static data_set_t threads_ds =
-{
-       "vs_threads", 1, threads_dsrc
-};
-
-static data_source_t processes_dsrc[1] =
-{
-       {"value", DS_TYPE_GAUGE, 0.0, 65535.0}
-};
-
-static data_set_t processes_ds =
-{
-       "vs_processes", 1, processes_dsrc
-};
-
-static data_source_t memory_dsrc[1] =
-{
-       {"value", DS_TYPE_GAUGE, 0.0, 9223372036854775807.0}
-};
-
-static data_set_t memory_ds =
-{
-       "vs_memory", 1, memory_dsrc
-};
-
-#if VSERVER_HAVE_READ
 static int pagesize = 0;
 
 static int vserver_init (void)
@@ -183,17 +120,14 @@ static int vserver_read (void)
        DIR                     *proc;
        struct dirent   *dent; /* 42 */
 
-       static complain_t complain_obj;
-
        errno = 0;
        if (NULL == (proc = opendir (PROCDIR)))
        {
-               plugin_complain (LOG_ERR, &complain_obj, "vserver plugin: "
-                               "fopen (%s) failed: %s", PROCDIR, strerror (errno));
+               char errbuf[1024];
+               ERROR ("vserver plugin: fopen (%s): %s", PROCDIR, 
+                               sstrerror (errno, errbuf, sizeof (errbuf)));
                return (-1);
        }
-       plugin_relief (LOG_NOTICE, &complain_obj, "vserver plugin: "
-                       "fopen (%s) succeeded.", PROCDIR);
 
        while (NULL != (dent = readdir (proc)))
        {
@@ -218,7 +152,11 @@ static int vserver_read (void)
                        continue;
 
                if (NULL == (fh = fopen (file, "r")))
-                       syslog (LOG_ERR, "Cannot open '%s': %s", file, strerror (errno));
+               {
+                       char errbuf[1024];
+                       ERROR ("Cannot open '%s': %s", file,
+                                       sstrerror (errno, errbuf, sizeof (errbuf)));
+               }
 
                while ((fh != NULL) && (NULL != fgets (buffer, BUFSIZE, fh)))
                {
@@ -261,7 +199,11 @@ static int vserver_read (void)
                        continue;
 
                if (NULL == (fh = fopen (file, "r")))
-                       syslog (LOG_ERR, "Cannot open '%s': %s", file, strerror (errno));
+               {
+                       char errbuf[1024];
+                       ERROR ("Cannot open '%s': %s", file,
+                                       sstrerror (errno, errbuf, sizeof (errbuf)));
+               }
 
                while ((fh != NULL) && (NULL != fgets (buffer, BUFSIZE, fh)))
                {
@@ -309,7 +251,11 @@ static int vserver_read (void)
                        continue;
 
                if (NULL == (fh = fopen (file, "r")))
-                       syslog (LOG_ERR, "Cannot open '%s': %s", file, strerror (errno));
+               {
+                       char errbuf[1024];
+                       ERROR ("Cannot open '%s': %s", file,
+                                       sstrerror (errno, errbuf, sizeof (errbuf)));
+               }
 
                while ((fh != NULL) && (NULL != fgets (buffer, BUFSIZE, fh)))
                {
@@ -356,20 +302,11 @@ static int vserver_read (void)
 
        return (0);
 } /* int vserver_read */
-#endif /* VSERVER_HAVE_READ */
 
 void module_register (void)
 {
-       plugin_register_data_set (&octets_ds);
-       plugin_register_data_set (&load_ds);
-       plugin_register_data_set (&threads_ds);
-       plugin_register_data_set (&processes_ds);
-       plugin_register_data_set (&memory_ds);
-
-#if VSERVER_HAVE_READ
        plugin_register_init ("vserver", vserver_init);
        plugin_register_read ("vserver", vserver_read);
-#endif /* VSERVER_HAVE_READ */
 } /* void module_register(void) */
 
 /* vim: set ts=4 sw=4 noexpandtab : */