X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fcollectd-tg.c;h=45e788c22206c5c733d696bc6ab778ab732643ec;hb=be0a3a6eeb3655d5559abe768c4027889d1ae979;hp=7b86deb27daa8dbe47cd13ab3896371d0c87e11f;hpb=ad007ffc71c10c1ace8ed820dc195d92c9bda0c7;p=collectd.git diff --git a/src/collectd-tg.c b/src/collectd-tg.c index 7b86deb2..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 @@ -45,6 +50,7 @@ #include #include #include +#include #include "utils_heap.h" @@ -52,13 +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; @@ -83,15 +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 */ @@ -128,55 +138,6 @@ static int get_boundet_random (int min, int max) /* {{{ */ 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; @@ -211,8 +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; @@ -260,51 +222,86 @@ static int send_value (lcc_value_list_t *vl) /* {{{ */ 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': @@ -410,6 +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; }