2 * Copyright (c) 2010 Pierre-Yves Ritschard <pyr@openbsd.org>
3 * Copyright (c) 2011 Stefan Rinkes <stefan.rinkes@gmail.org>
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21 static char *pf_device = "/dev/pf";
23 static void submit_counter (char const *type, char const *inst,
24 counter_t val, _Bool usegauge)
27 value_list_t vl = VALUE_LIST_INIT;
30 values[0].gauge = val;
32 values[0].counter = val;
36 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
37 sstrncpy (vl.plugin, "pf", sizeof (vl.plugin));
38 sstrncpy (vl.type, type, sizeof(vl.type));
39 sstrncpy (vl.type_instance, inst, sizeof(vl.type_instance));
40 plugin_dispatch_values(&vl);
43 static int pf_read (void)
45 struct pf_status status;
49 char *cnames[] = PFRES_NAMES;
50 char *lnames[] = LCNT_NAMES;
51 char *names[] = { "searches", "inserts", "removals" };
53 if ((pfdev = open(pf_device, O_RDONLY)) == -1) {
54 ERROR("unable to open %s", pf_device);
58 if (ioctl(pfdev, DIOCGETSTATUS, &status) == -1) {
59 ERROR("DIOCGETSTATUS: %i", pfdev);
66 for (i = 0; i < PFRES_MAX; i++)
67 submit_counter("pf_counters", cnames[i], status.counters[i], 0);
68 for (i = 0; i < LCNT_MAX; i++)
69 submit_counter("pf_limits", lnames[i], status.lcounters[i], 0);
70 for (i = 0; i < FCNT_MAX; i++)
71 submit_counter("pf_state", names[i], status.fcounters[i], 0);
72 for (i = 0; i < SCNT_MAX; i++)
73 submit_counter("pf_source", names[i], status.scounters[i], 0);
75 submit_counter("pf_states", "current", status.states, 1);
80 static int pf_init (void)
82 struct pf_status status;
85 if ((pfdev = open(pf_device, O_RDONLY)) == -1) {
86 ERROR("unable to open %s", pf_device);
90 if (ioctl(pfdev, DIOCGETSTATUS, &status) == -1) {
91 ERROR("DIOCGETSTATUS: %i", pfdev);
103 void module_register (void)
105 plugin_register_init("pf", pf_init);
106 plugin_register_read("pf", pf_read);