X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fcollectd-tg.c;h=45e788c22206c5c733d696bc6ab778ab732643ec;hb=e4fe9b4d69c69d922cad1272104fdb8de5c24faf;hp=c5d7eb0db69d5fea0842cdb3aa7a5232f784f9ba;hpb=4d7643e5ca26341ded63d68ef97e991e4657aaf0;p=collectd.git diff --git a/src/collectd-tg.c b/src/collectd-tg.c index c5d7eb0d..45e788c2 100644 --- a/src/collectd-tg.c +++ b/src/collectd-tg.c @@ -1,22 +1,27 @@ /** - * 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 + * Florian Forster **/ #if HAVE_CONFIG_H @@ -53,13 +58,15 @@ #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; @@ -84,15 +91,17 @@ static void exit_usage (int exit_status) /* {{{ */ " -n Number of value lists. (Default: %i)\n" " -H Number of hosts to emulate. (Default: %i)\n" " -p Number of plugins to emulate. (Default: %i)\n" + " -i Interval of each value in seconds. (Default: %.3f)\n" " -d Destination address of the network packets.\n" " (Default: %s)\n" " -D 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 */ @@ -163,8 +172,9 @@ static lcc_value_list_t *create_value_list (void) /* {{{ */ 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; @@ -241,6 +251,35 @@ static int get_integer_opt (const char *str, int *ret_value) /* {{{ */ 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; @@ -261,6 +300,10 @@ static int read_options (int argc, char **argv) /* {{{ */ get_integer_opt (optarg, &conf_num_plugins); break; + case 'i': + get_double_opt (optarg, &conf_interval); + break; + case 'd': conf_destination = optarg; break; @@ -364,6 +407,9 @@ int main (int argc, char **argv) /* {{{ */ struct timespec ts = { 0, 10000000 }; nanosleep (&ts, /* remaining = */ NULL); now = time (NULL); + + if (!loop) + break; } last_time = vl->time; }