/**
- * 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 <string.h>
#include <time.h>
#include <signal.h>
+#include <errno.h>
#include "utils_heap.h"
#include "libcollectdclient/collectd/network.h"
#include "libcollectdclient/collectd/network_buffer.h"
-#define DEF_NUM_HOSTS 1000
-#define DEF_NUM_PLUGINS 20
+#define DEF_NUM_HOSTS 1000
+#define DEF_NUM_PLUGINS 20
#define DEF_NUM_VALUES 100000
+#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 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: %.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);
exit (exit_status);
} /* }}} void exit_usage */
return (min + ((int) (((double) range) * ((double) random ()) / (((double) RAND_MAX) + 1.0))));
} /* }}} int get_boundet_random */
-#if 0
-static int dump_network_buffer (void) /* {{{ */
-{
- char buffer[LCC_NETWORK_BUFFER_SIZE_DEFAULT];
- size_t buffer_size;
- int status;
- size_t offset;
-
- memset (buffer, 0, sizeof (buffer));
- buffer_size = sizeof (buffer);
-
- status = lcc_network_buffer_get (nb, buffer, &buffer_size);
- if (status != 0)
- {
- fprintf (stderr, "lcc_network_buffer_get failed with status %i.\n",
- status);
- return (status);
- }
-
- if (buffer_size > sizeof (buffer))
- buffer_size = sizeof (buffer);
-
- for (offset = 0; offset < buffer_size; offset += 16)
- {
- size_t i;
-
- for (i = 0; (i < 16) && ((offset + i) < buffer_size); i++)
- {
- uint8_t v = (uint8_t) buffer[offset + i];
- printf ("%02"PRIx8" ", v);
- }
- for (; i < 16; i++)
- printf (" ");
- printf (" ");
- for (i = 0; (i < 16) && ((offset + i) < buffer_size); i++)
- {
- uint8_t v = (uint8_t) buffer[offset + i];
- if ((v >= 32) && (v < 128))
- printf ("%c", (int) buffer[offset + i]);
- else
- printf (".");
- }
- printf ("\n");
- }
-
- return (0);
-} /* }}} int dump_network_buffer */
-#endif
-
static lcc_value_list_t *create_value_list (void) /* {{{ */
{
lcc_value_list_t *vl;
host_num = get_boundet_random (0, conf_num_hosts);
- vl->interval = 10;
- vl->time = time (NULL) - (host_num % vl->interval);
+ vl->interval = conf_interval;
+ vl->time = 1.0 + time (NULL)
+ + (host_num % (1 + (int) vl->interval));
if (get_boundet_random (0, 2) == 0)
vl->values_types[0] = LCC_TYPE_GAUGE;
return (0);
} /* }}} int send_value */
+static int get_integer_opt (const char *str, int *ret_value) /* {{{ */
+{
+ char *endptr;
+ int tmp;
+
+ errno = 0;
+ endptr = NULL;
+ tmp = (int) strtol (str, &endptr, /* base = */ 0);
+ 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_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;
- while ((opt = getopt (argc, argv, "n:H:p:d:D:h")) != -1)
+ while ((opt = getopt (argc, argv, "n:H:p:i:d:D:h")) != -1)
{
switch (opt)
{
case 'n':
- {
- int tmp = atoi (optarg);
- if (tmp < 1)
- {
- fprintf (stderr, "Unable to parse option as a number: \"%s\"\n",
- optarg);
- exit (EXIT_FAILURE);
- }
- conf_num_values = tmp;
- }
+ get_integer_opt (optarg, &conf_num_values);
break;
case 'H':
- {
- int tmp = atoi (optarg);
- if (tmp < 1)
- {
- fprintf (stderr, "Unable to parse option as a number: \"%s\"\n",
- optarg);
- exit (EXIT_FAILURE);
- }
- conf_num_hosts = tmp;
- }
+ get_integer_opt (optarg, &conf_num_hosts);
break;
case 'p':
- {
- int tmp = atoi (optarg);
- if (tmp < 1)
- {
- fprintf (stderr, "Unable to parse option as a number: \"%s\"\n",
- optarg);
- exit (EXIT_FAILURE);
- }
- conf_num_plugins = tmp;
- }
+ get_integer_opt (optarg, &conf_num_plugins);
+ break;
+
+ case 'i':
+ get_double_opt (optarg, &conf_interval);
break;
case 'd':
struct timespec ts = { 0, 10000000 };
nanosleep (&ts, /* remaining = */ NULL);
now = time (NULL);
+
+ if (!loop)
+ break;
}
last_time = vl->time;
}
projects / collectd.git / blobdiff