/**
- * collectd-td - collectd traffic generator
- * Copyright (C) 2010 Florian octo Forster
+ * collectd-tg - src/collectd-tg.c
+ * Copyright (C) 2010-2012 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 Forster <ff at octo.it>
+ * Florian Forster <octo at collectd.org>
**/
#if HAVE_CONFIG_H
# include "config.h"
#endif
-#ifndef _ISOC99_SOURCE
-# define _ISOC99_SOURCE
-#endif
-
-#ifndef _POSIX_C_SOURCE
-# define _POSIX_C_SOURCE 200809L
-#endif
-
-#ifndef _XOPEN_SOURCE
-# define _XOPEN_SOURCE 700
-#endif
-
#if !__GNUC__
# define __attribute__(x) /**/
#endif
#include <time.h>
#include <signal.h>
#include <errno.h>
+#include <math.h>
#include "utils_heap.h"
#define DEF_NUM_HOSTS 1000
#define DEF_NUM_PLUGINS 20
#define DEF_NUM_VALUES 100000
-#define DEF_INTERVAL 10
+#define DEF_INTERVAL 10.0
static int conf_num_hosts = DEF_NUM_HOSTS;
static int conf_num_plugins = DEF_NUM_PLUGINS;
static int conf_num_values = DEF_NUM_VALUES;
-static int conf_interval = DEF_INTERVAL;
+static double conf_interval = DEF_INTERVAL;
static const char *conf_destination = NET_DEFAULT_V6_ADDR;
static const char *conf_service = NET_DEFAULT_PORT;
" -n <number> Number of value lists. (Default: %i)\n"
" -H <number> Number of hosts to emulate. (Default: %i)\n"
" -p <number> Number of plugins to emulate. (Default: %i)\n"
- " -i <seconds> Interval of each value in seconds. (Default: %i)\n"
+ " -i <seconds> Interval of each value in seconds. (Default: %.3f)\n"
" -d <dest> Destination address of the network packets.\n"
" (Default: %s)\n"
" -D <port> Destination port of the network packets.\n"
" (Default: %s)\n"
" -h Print usage information (this output).\n"
"\n"
- "Copyright (C) 2010 Florian Forster\n"
- "Licensed under the GNU General Public License, version 2 (GPLv2)\n",
+ "Copyright (C) 2010-2012 Florian Forster\n"
+ "Licensed under the MIT license.\n",
DEF_NUM_VALUES, DEF_NUM_HOSTS, DEF_NUM_PLUGINS,
DEF_INTERVAL,
NET_DEFAULT_V6_ADDR, NET_DEFAULT_PORT);
loop = 0;
} /* }}} void signal_handler */
+static double dtime (void) /* {{{ */
+{
+ struct timespec ts = { 0 };
+
+ if (clock_gettime (CLOCK_MONOTONIC, &ts) != 0)
+ perror ("clock_gettime");
+
+ return ((double) ts.tv_sec) + (((double) ts.tv_nsec) / 1e9);
+} /* }}} double dtime */
+
static int compare_time (const void *v0, const void *v1) /* {{{ */
{
const lcc_value_list_t *vl0 = v0;
host_num = get_boundet_random (0, conf_num_hosts);
vl->interval = conf_interval;
- vl->time = time (NULL) + (host_num % vl->interval) + 1;
+ vl->time = 1.0 + dtime ()
+ + (host_num % (1 + (int) vl->interval));
if (get_boundet_random (0, 2) == 0)
vl->values_types[0] = LCC_TYPE_GAUGE;
if (vl->values_types[0] == LCC_TYPE_GAUGE)
vl->values[0].gauge = 100.0 * ((gauge_t) random ()) / (((gauge_t) RAND_MAX) + 1.0);
else
- vl->values[0].derive += get_boundet_random (0, 100);
+ vl->values[0].derive += (derive_t) get_boundet_random (0, 100);
status = lcc_network_values_send (net, vl);
if (status != 0)
return (0);
} /* }}} int get_integer_opt */
+static int get_double_opt (const char *str, double *ret_value) /* {{{ */
+{
+ char *endptr;
+ double tmp;
+
+ errno = 0;
+ endptr = NULL;
+ tmp = strtod (str, &endptr);
+ if (errno != 0)
+ {
+ fprintf (stderr, "Unable to parse option as a number: \"%s\": %s\n",
+ str, strerror (errno));
+ exit (EXIT_FAILURE);
+ }
+ else if (endptr == str)
+ {
+ fprintf (stderr, "Unable to parse option as a number: \"%s\"\n", str);
+ exit (EXIT_FAILURE);
+ }
+ else if (*endptr != 0)
+ {
+ fprintf (stderr, "Garbage after end of value: \"%s\"\n", str);
+ exit (EXIT_FAILURE);
+ }
+
+ *ret_value = tmp;
+ return (0);
+} /* }}} int get_double_opt */
+
static int read_options (int argc, char **argv) /* {{{ */
{
int opt;
break;
case 'i':
- get_integer_opt (optarg, &conf_interval);
+ get_double_opt (optarg, &conf_interval);
break;
case 'd':
int main (int argc, char **argv) /* {{{ */
{
int i;
- time_t last_time;
+ double last_time;
int values_sent = 0;
read_options (argc, argv);
printf ("%i values have been sent.\n", values_sent);
/* Check if we need to sleep */
- time_t now = time (NULL);
+ double now = dtime ();
while (now < vl->time)
{
/* 1 / 100 second */
struct timespec ts = { 0, 10000000 };
+
+ ts.tv_sec = (time_t) now;
+ ts.tv_nsec = (long) ((now - ((double) ts.tv_sec)) * 1e9);
+
nanosleep (&ts, /* remaining = */ NULL);
- now = time (NULL);
+ now = dtime ();
if (!loop)
break;
projects / collectd.git / blobdiff