{GPL, other}: Relicense to MIT license.

[collectd.git] / src / entropy.c

diff --git a/src/entropy.c b/src/entropy.c
index 68c57da..03de9ef 100644 (file)
--- a/src/entropy.c
+++ b/src/entropy.c
@@ -1,47 +1,39 @@
 /**
  * collectd - src/entropy.c
- * Copyright (C) 2005,2006  Florian octo Forster
+ * Copyright (C) 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.
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
  *
- * 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.
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
  *
- * 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
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
  *
  * Authors:
- *   Florian octo Forster <octo at verplant.org>
+ *   Florian octo Forster <octo at collectd.org>
  **/
 
 #include "collectd.h"
 #include "common.h"
 #include "plugin.h"
 
-#if KERNEL_LINUX
-# define ENTROPY_HAVE_READ 1
-#else
-# define ENTROPY_HAVE_READ 0
+#if !KERNEL_LINUX
+# error "No applicable input method."
 #endif
 
 #define ENTROPY_FILE "/proc/sys/kernel/random/entropy_avail"
 
-static data_source_t dsrc[1] =
-{
-       {"entropy",  DS_TYPE_GAUGE, 0.0, 4294967295.0}
-};
-
-static data_set_t ds =
-{
-       "entropy", 1, dsrc
-};
-
-#if ENTROPY_HAVE_READ
 static void entropy_submit (double entropy)
 {
        value_t values[1];
@@ -51,18 +43,15 @@ static void entropy_submit (double entropy)
 
        vl.values = values;
        vl.values_len = 1;
-       vl.time = time (NULL);
-       strcpy (vl.host, hostname_g);
-       strcpy (vl.plugin, "entropy");
-       strcpy (vl.plugin_instance, "");
-       strcpy (vl.type_instance, "");
+       sstrncpy (vl.host, hostname_g, sizeof (vl.host));
+       sstrncpy (vl.plugin, "entropy", sizeof (vl.plugin));
+       sstrncpy (vl.type, "entropy", sizeof (vl.type));
 
-       plugin_dispatch_values ("entropy", &vl);
+       plugin_dispatch_values (&vl);
 }
 
 static int entropy_read (void)
 {
-#if KERNEL_LINUX
        double entropy;
        FILE *fh;
        char buffer[64];
@@ -82,16 +71,11 @@ static int entropy_read (void)
        
        if (entropy > 0.0)
                entropy_submit (entropy);
-#endif /* KERNEL_LINUX */
 
        return (0);
 }
-#endif /* ENTROPY_HAVE_READ */
 
 void module_register (void)
 {
-       plugin_register_data_set (&ds);
-#if ENTROPY_HAVE_READ
        plugin_register_read ("entropy", entropy_read);
-#endif
-}
+} /* void module_register */