* collectd - src/collectd.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.
+ * 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>
* Alvaro Barcellos <alvaro.barcellos at gmail.com>
**/
* Global variables
*/
char hostname_g[DATA_MAX_NAME_LEN];
-int interval_g;
+cdtime_t interval_g;
+int timeout_g;
#if HAVE_LIBKSTAT
kstat_ctl_t *kc;
#endif /* HAVE_LIBKSTAT */
static void *do_flush (void __attribute__((unused)) *arg)
{
INFO ("Flushing all data.");
- plugin_flush (NULL, -1, NULL);
+ plugin_flush (/* plugin = */ NULL,
+ /* timeout = */ 0,
+ /* ident = */ NULL);
INFO ("Finished flushing all data.");
pthread_exit (NULL);
return NULL;
pthread_attr_init (&attr);
pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
pthread_create (&thread, &attr, do_flush, NULL);
+ pthread_attr_destroy (&attr);
}
static int init_hostname (void)
ERROR ("Looking up \"%s\" failed. You have set the "
"\"FQDNLookup\" option, but I cannot resolve "
"my hostname to a fully qualified domain "
- "name. Please fix you network "
+ "name. Please fix the network "
"configuration.", hostname_g);
return (-1);
}
static int init_global_variables (void)
{
- const char *str;
+ char const *str;
+
+ interval_g = cf_get_default_interval ();
+ assert (interval_g > 0);
+ DEBUG ("interval_g = %.3f;", CDTIME_T_TO_DOUBLE (interval_g));
- str = global_option_get ("Interval");
+ str = global_option_get ("Timeout");
if (str == NULL)
- str = "10";
- interval_g = atoi (str);
- if (interval_g <= 0)
+ str = "2";
+ timeout_g = atoi (str);
+ if (timeout_g <= 1)
{
- fprintf (stderr, "Cannot set the interval to a correct value.\n"
+ fprintf (stderr, "Cannot set the timeout to a correct value.\n"
"Please check your settings.\n");
return (-1);
}
- DEBUG ("interval_g = %i;", interval_g);
+ DEBUG ("timeout_g = %i;", timeout_g);
if (init_hostname () != 0)
return (-1);
static int change_basedir (const char *orig_dir)
{
- char *dir = strdup (orig_dir);
- int dirlen;
+ char *dir;
+ size_t dirlen;
int status;
+ dir = strdup (orig_dir);
if (dir == NULL)
{
char errbuf[1024];
return (-1);
status = chdir (dir);
- free (dir);
+ if (status == 0)
+ {
+ free (dir);
+ return (0);
+ }
+ else if (errno != ENOENT)
+ {
+ char errbuf[1024];
+ ERROR ("change_basedir: chdir (%s): %s", dir,
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ free (dir);
+ return (-1);
+ }
+ status = mkdir (dir, S_IRWXU | S_IRWXG | S_IRWXO);
if (status != 0)
{
- if (errno == ENOENT)
- {
- if (mkdir (orig_dir, 0755) == -1)
- {
- char errbuf[1024];
- ERROR ("change_basedir: mkdir (%s): %s", orig_dir,
- sstrerror (errno, errbuf,
- sizeof (errbuf)));
- return (-1);
- }
- else if (chdir (orig_dir) == -1)
- {
- char errbuf[1024];
- ERROR ("chdir (%s): %s", orig_dir,
- sstrerror (errno, errbuf,
- sizeof (errbuf)));
- return (-1);
- }
- }
- else
- {
- char errbuf[1024];
- ERROR ("chdir (%s): %s", orig_dir,
- sstrerror (errno, errbuf,
- sizeof (errbuf)));
- return (-1);
- }
+ char errbuf[1024];
+ ERROR ("change_basedir: mkdir (%s): %s", dir,
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ free (dir);
+ return (-1);
+ }
+
+ status = chdir (dir);
+ if (status != 0)
+ {
+ char errbuf[1024];
+ ERROR ("change_basedir: chdir (%s): %s", dir,
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ free (dir);
+ return (-1);
}
+ free (dir);
return (0);
} /* static int change_basedir (char *dir) */
#endif
" -h Display help (this message)\n"
"\nBuiltin defaults:\n"
- " Config-File "CONFIGFILE"\n"
- " PID-File "PIDFILE"\n"
- " Data-Directory "PKGLOCALSTATEDIR"\n"
+ " Config file "CONFIGFILE"\n"
+ " PID file "PIDFILE"\n"
+ " Plugin directory "PLUGINDIR"\n"
+ " Data directory "PKGLOCALSTATEDIR"\n"
"\n"PACKAGE" "VERSION", http://collectd.org/\n"
- "by Florian octo Forster <octo@verplant.org>\n"
+ "by Florian octo Forster <octo@collectd.org>\n"
"for contributions see `AUTHORS'\n");
exit (status);
} /* static void exit_usage (int status) */
static int do_loop (void)
{
- struct timeval tv_now;
- struct timeval tv_next;
- struct timeval tv_wait;
- struct timespec ts_wait;
+ cdtime_t interval = cf_get_default_interval ();
+ cdtime_t wait_until;
+
+ wait_until = cdtime () + interval;
while (loop == 0)
{
- if (gettimeofday (&tv_next, NULL) < 0)
- {
- char errbuf[1024];
- ERROR ("gettimeofday failed: %s",
- sstrerror (errno, errbuf,
- sizeof (errbuf)));
- return (-1);
- }
- tv_next.tv_sec += interval_g;
+ struct timespec ts_wait = { 0, 0 };
+ cdtime_t now;
#if HAVE_LIBKSTAT
update_kstat ();
/* Issue all plugins */
plugin_read_all ();
- if (gettimeofday (&tv_now, NULL) < 0)
- {
- char errbuf[1024];
- ERROR ("gettimeofday failed: %s",
- sstrerror (errno, errbuf,
- sizeof (errbuf)));
- return (-1);
- }
-
- if (timeval_cmp (tv_next, tv_now, &tv_wait) <= 0)
+ now = cdtime ();
+ if (now >= wait_until)
{
WARNING ("Not sleeping because the next interval is "
- "%i.%06i seconds in the past!",
- (int) tv_wait.tv_sec, (int) tv_wait.tv_usec);
+ "%.3f seconds in the past!",
+ CDTIME_T_TO_DOUBLE (now - wait_until));
+ wait_until = now + interval;
continue;
}
- ts_wait.tv_sec = tv_wait.tv_sec;
- ts_wait.tv_nsec = (long) (1000 * tv_wait.tv_usec);
+ CDTIME_T_TO_TIMESPEC (wait_until - now, &ts_wait);
+ wait_until = wait_until + interval;
- while ((loop == 0) && (nanosleep (&ts_wait, &ts_wait) == -1))
+ while ((loop == 0) && (nanosleep (&ts_wait, &ts_wait) != 0))
{
if (errno != EINTR)
{
}
} /* while (loop == 0) */
- DEBUG ("return (0);");
return (0);
} /* int do_loop */
if (optind < argc)
exit_usage (1);
+ plugin_init_ctx ();
+
/*
* Read options from the config file, the environment and the command
* line (in that order, with later options overwriting previous ones in
projects / collectd.git / blobdiff