Updated all copyright-entries in header files.

[collectd.git] / src / users.c

diff --git a/src/users.c b/src/users.c
index 31c936c..08fc4fd 100644 (file)
--- a/src/users.c
+++ b/src/users.c
@@ -1,6 +1,6 @@
 /**
  * collectd - src/users.c
- * Copyright (C) 2005  Sebastian Harl
+ * Copyright (C) 2005,2006  Sebastian Harl
  *
  * 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
@@ -20,104 +20,111 @@
  *   Sebastian Harl <sh at tokkee.org>
  **/
 
-#include "users.h"
+#include "collectd.h"
+#include "common.h"
+#include "plugin.h"
 
-#if COLLECT_USERS
-#define MODULE_NAME "users"
+#if HAVE_UTMPX_H
+# include <utmpx.h>
+#else /* !HAVE_UTMPX_H */
+# if HAVE_UTMP_H
+#  include <utmp.h>
+# endif /* HAVE_UTMP_H */
+#endif /* HAVE_UTMPX_H */
 
-#include "plugin.h"
-#include "common.h"
+#define MODULE_NAME "users"
 
-#ifdef HAVE_UTMPX_H
-#include <utmpx.h>
-#elif defined(HAVE_UTMP_H)
-#include <utmp.h>
+#if HAVE_GETUTXENT || HAVE_GETUTENT
+# define USERS_HAVE_READ 1
+#else
+# define USERS_HAVE_READ 0
 #endif
 
 static char *rrd_file = "users.rrd";
-
-static char *ds_def[] = {
-    "DS:users:GAUGE:25:0:65535",
-    NULL
+static char *ds_def[] =
+{
+       "DS:users:GAUGE:"COLLECTD_HEARTBEAT":0:65535",
+       NULL
 };
 static int ds_num = 1;
 
-void users_init(void)
+static void users_init (void)
 {
-    /* we have nothing to do here :-) */
-    return;
-}
+       /* we have nothing to do here :-) */
+       return;
+} /* static void users_init(void) */
 
-void users_read(void)
+static void users_write (char *host, char *inst, char *val)
 {
-#ifdef HAVE_GETUTXENT
-    unsigned int users = 0;
-    struct utmpx *entry = NULL;
-
-    /* according to the *utent(3) man page none of the functions sets errno in
-     * case of an error, so we cannot do any error-checking here */
-    setutxent();
-
-    while (NULL != (entry = getutxent()))
-        if (USER_PROCESS == entry->ut_type)
-            ++users;
-    endutxent();
-
-    users_submit(users);
-/* #endif HAVE_GETUTXENT */
-
-#elif defined(HAVE_GETUTENT)
-    unsigned int users = 0;
-    struct utmp *entry = NULL;
-
-    /* according to the *utent(3) man page none of the functions sets errno in
-     * case of an error, so we cannot do any error-checking here */
-    setutent();
-
-    while (NULL != (entry = getutent()))
-        if (USER_PROCESS == entry->ut_type)
-            ++users;
-    endutent();
-
-    users_submit(users);
-#endif
-
+       rrd_update_file(host, rrd_file, val, ds_def, ds_num);
        return;
-}
+} /* static void users_write(char *host, char *inst, char *val) */
 
+#if USERS_HAVE_READ
 /* I don't like this temporary macro definition - well it's used everywhere
- * else in the collectd-sources, so I will just stick with it...  */
+   else in the collectd-sources, so I will just stick with it...  */
 #define BUFSIZE 256
-void users_submit(users)
-    unsigned int users;
+static void users_submit (unsigned int users)
 {
-    char buf[BUFSIZE] = "";
+       char buf[BUFSIZE] = "";
 
-    if (snprintf(buf, BUFSIZE, "%u:%u", 
-                (unsigned int)curtime, 
-                users) >= BUFSIZE)
-        return;
+       if (snprintf(buf, BUFSIZE, "%u:%u", 
+               (unsigned int)curtime, users) >= BUFSIZE)
+       {
+               return;
+       }
 
-    plugin_submit(MODULE_NAME, NULL, buf);
-    return;
-}
+       plugin_submit(MODULE_NAME, NULL, buf);
+       return;
+} /* static void users_submit(unsigned int users) */
 #undef BUFSIZE
 
-void users_write(host, inst, val)
-    char *host;
-    char *inst;
-    char *val;
+static void users_read (void)
 {
-    rrd_update_file(host, rrd_file, val, ds_def, ds_num);
-    return;
-}
+#if HAVE_GETUTXENT
+       unsigned int users = 0;
+       struct utmpx *entry = NULL;
+
+       /* according to the *utent(3) man page none of the functions sets errno
+          in case of an error, so we cannot do any error-checking here */
+       setutxent();
+
+       while (NULL != (entry = getutxent())) {
+               if (USER_PROCESS == entry->ut_type) {
+                       ++users;
+               }
+       }
+       endutxent();
+
+       users_submit (users);
+/* #endif HAVE_GETUTXENT */
+       
+#elif HAVE_GETUTENT
+       unsigned int users = 0;
+       struct utmp *entry = NULL;
 
-void module_register(void)
-{
-    plugin_register(MODULE_NAME, users_init, users_read, users_write);
-    return;
-}
+       /* according to the *utent(3) man page none of the functions sets errno
+          in case of an error, so we cannot do any error-checking here */
+       setutent();
+
+       while (NULL != (entry = getutent())) {
+               if (USER_PROCESS == entry->ut_type) {
+                       ++users;
+               }
+       }
+       endutent();
+
+       users_submit(users);
+#endif /* HAVE_GETUTENT */
 
-#undef MODULE_NAME
-#endif /* COLLECT_USERS */
+       return;
+} /* static void users_read(void) */
+#else
+# define users_read NULL
+#endif /* USERS_HAVE_READ */
 
+void module_register (void)
+{
+       plugin_register (MODULE_NAME, users_init, users_read, users_write);
+       return;
+} /* void module_register(void) */