X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fpf.c;h=44f0c7bcdec158b3244ec6f7b0d9212b9cd652d5;hb=912c9b3f7c4a57fbf9ddd16db13d2651932ddb65;hp=33e2d4b964c0ef8dc5d45058c383a5a7889dfd55;hpb=22d0859f5c5c43adc8c58ff0dd40be79528681eb;p=collectd.git diff --git a/src/pf.c b/src/pf.c index 33e2d4b9..44f0c7bc 100644 --- a/src/pf.c +++ b/src/pf.c @@ -15,94 +15,121 @@ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ -#include "pfcommon.h" +#include "collectd.h" +#include "plugin.h" +#include "common.h" -static int pf_init(void); -static int pf_read(void); -static void submit_counter(const char *, const char *, counter_t); +#if HAVE_SYS_IOCTL_H +# include +#endif +#if HAVE_SYS_SOCKET_H +# include +#endif +#if HAVE_NET_IF_H +# include +#endif + +#include + +#ifndef FCNT_NAMES +# if FCNT_MAX != 3 +# error "Unexpected value for FCNT_MAX" +# endif +# define FCNT_NAMES {"search", "insert", "removals", NULL}; +#endif -int -pf_init(void) +#ifndef SCNT_NAMES +# if SCNT_MAX != 3 +# error "Unexpected value for SCNT_MAX" +# endif +# define SCNT_NAMES {"search", "insert", "removals", NULL}; +#endif + +static char const *pf_reasons[PFRES_MAX+1] = PFRES_NAMES; +static char const *pf_lcounters[LCNT_MAX+1] = LCNT_NAMES; +static char const *pf_fcounters[FCNT_MAX+1] = FCNT_NAMES; +static char const *pf_scounters[SCNT_MAX+1] = SCNT_NAMES; + +static char const *pf_device = "/dev/pf"; + +static void pf_submit (char const *type, char const *type_instance, + uint64_t val, _Bool is_gauge) { - struct pf_status status; + value_t values[1]; + value_list_t vl = VALUE_LIST_INIT; - if ((dev = open(PF_SOCKET, O_RDONLY)) == -1) { - return (-1); - } - if (ioctl(dev, DIOCGETSTATUS, &status) == -1) { - return (-1); - } + if (is_gauge) + values[0].gauge = (gauge_t) val; + else + values[0].derive = (derive_t) val; - close(dev); - if (!status.running) - return (-1); + vl.values = values; + vl.values_len = 1; + sstrncpy (vl.host, hostname_g, sizeof (vl.host)); + sstrncpy (vl.plugin, "pf", sizeof (vl.plugin)); + sstrncpy (vl.type, type, sizeof(vl.type)); + sstrncpy (vl.type_instance, type_instance, sizeof(vl.type_instance)); - return (0); -} + plugin_dispatch_values(&vl); +} /* void pf_submit */ -int -pf_read(void) +static int pf_read (void) { - int i; - struct pf_status status; + struct pf_status state; + int fd; + int status; + int i; - char *cnames[] = PFRES_NAMES; - char *lnames[] = LCNT_NAMES; - char *names[] = { "searches", "inserts", "removals" }; + fd = open (pf_device, O_RDONLY); + if (fd < 0) + { + char errbuf[1024]; + ERROR("pf plugin: Unable to open %s: %s", + pf_device, + sstrerror (errno, errbuf, sizeof (errbuf))); + return (-1); + } - if ((dev = open(PF_SOCKET, O_RDONLY)) == -1) { + memset (&state, 0, sizeof (state)); + status = ioctl (fd, DIOCGETSTATUS, &state); + if (status != 0) + { + char errbuf[1024]; + ERROR("pf plugin: ioctl(DIOCGETSTATUS) failed: %s", + sstrerror (errno, errbuf, sizeof (errbuf))); + close(fd); return (-1); } - if (ioctl(dev, DIOCGETSTATUS, &status) == -1) { + + close (fd); + fd = -1; + + if (!state.running) + { + WARNING ("pf plugin: PF is not running."); return (-1); } - close(dev); for (i = 0; i < PFRES_MAX; i++) - submit_counter("pf_counters", cnames[i], status.counters[i]); + pf_submit ("pf_counters", pf_reasons[i], state.counters[i], + /* is gauge = */ 0); for (i = 0; i < LCNT_MAX; i++) - submit_counter("pf_limits", lnames[i], status.lcounters[i]); + pf_submit ("pf_limits", pf_lcounters[i], state.lcounters[i], + /* is gauge = */ 0); for (i = 0; i < FCNT_MAX; i++) - submit_counter("pf_state", names[i], status.fcounters[i]); + pf_submit ("pf_state", pf_fcounters[i], state.fcounters[i], + /* is gauge = */ 0); for (i = 0; i < SCNT_MAX; i++) - submit_counter("pf_source", names[i], status.scounters[i]); - return (0); -} - -void -submit_counter(const char *type, const char *inst, counter_t val) -{ -#ifndef TEST - value_t values[1]; - value_list_t vl = VALUE_LIST_INIT; + pf_submit ("pf_source", pf_scounters[i], state.scounters[i], + /* is gauge = */ 0); - values[0].counter = val; + pf_submit ("pf_states", "current", (uint32_t) state.states, + /* is gauge = */ 1); - vl.values = values; - vl.values_len = 1; - sstrncpy (vl.host, hostname_g, sizeof (vl.host)); - sstrncpy (vl.plugin, "pf", sizeof (vl.plugin)); - sstrncpy (vl.type, type, sizeof(vl.type)); - sstrncpy (vl.type_instance, inst, sizeof(vl.type_instance)); - plugin_dispatch_values(&vl); -#else - printf("%s.%s: %lld\n", type, inst, val); -#endif -} + return (0); +} /* int pf_read */ -#ifdef TEST -int -main(int argc, char *argv[]) +void module_register (void) { - if (pf_init()) - err(1, "pf_init"); - if (pf_read()) - err(1, "pf_read"); - return (0); + plugin_register_read ("pf", pf_read); } -#else -void module_register(void) { - plugin_register_init("pf", pf_init); - plugin_register_read("pf", pf_read); -} -#endif