2 * collectd - src/ping.c
3 * Copyright (C) 2005 Florian octo Forster
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation; either version 2 of the License, or (at your
8 * option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 * Florian octo Forster <octo at verplant.org>
26 #include "configfile.h"
27 #include "utils_debug.h"
29 #define MODULE_NAME "ping"
31 #include <netinet/in.h>
32 #include "liboping/liboping.h"
34 static pingobj_t *pingobj = NULL;
36 static char *file_template = "ping-%s.rrd";
38 static char *ds_def[] =
40 "DS:ping:GAUGE:25:0:65535",
43 static int ds_num = 1;
45 static char *config_keys[] =
50 static int config_keys_num = 1;
52 static void ping_init (void)
57 static int ping_config (char *key, char *value)
59 if (strcasecmp (key, "host"))
66 if ((pingobj = ping_construct ()) == NULL)
68 syslog (LOG_ERR, "ping: `ping_construct' failed.\n");
73 if (ping_host_add (pingobj, value) < 0)
75 syslog (LOG_WARNING, "ping: `ping_host_add' failed.\n");
81 static void ping_write (char *host, char *inst, char *val)
86 status = snprintf (file, 512, file_template, inst);
89 else if (status >= 512)
92 rrd_update_file (host, file, val, ds_def, ds_num);
96 static void ping_submit (char *host, double latency)
100 if (snprintf (buf, BUFSIZE, "%u:%f", (unsigned int) curtime, latency) >= BUFSIZE)
103 plugin_submit (MODULE_NAME, host, buf);
107 static void ping_read (void)
109 pingobj_iter_t *iter;
117 if (ping_send (pingobj) < 0)
119 syslog (LOG_ERR, "ping: `ping_send' failed.");
123 for (iter = ping_iterator_get (pingobj); iter != NULL; iter = ping_iterator_next (iter))
127 if ((tmp = ping_iterator_get_host (iter)) == NULL)
129 if ((host = strdup (tmp)) == NULL)
132 latency = ping_iterator_get_latency (iter);
134 DBG ("host = %s, latency = %f", host, latency);
135 ping_submit (host, latency);
137 free (host); host = NULL;
141 void module_register (void)
143 plugin_register (MODULE_NAME, ping_init, ping_read, ping_write);
144 cf_register (MODULE_NAME, ping_config, config_keys, config_keys_num);