check_ntp_peer: implement new output functionality

1 files changed, 131 insertions, 117 deletions

diff --git a/plugins/check_ntp_peer.c b/plugins/check_ntp_peer.c
index 37e481c7..0498a7d4 100644
--- a/plugins/check_ntp_peer.c
+++ b/plugins/check_ntp_peer.c
@@ -39,6 +39,9 @@ const char *progname = "check_ntp_peer";
 const char *copyright = "2006-2024";
 const char *email = "devel@monitoring-plugins.org";
 
+#include "output.h"
+#include "perfdata.h"
+#include <openssl/x509.h>
 #include "thresholds.h"
 #include "common.h"
 #include "netutils.h"
@@ -329,7 +332,7 @@ ntp_request_result ntp_request(const check_ntp_peer_config config) {
                         if (verbose) {
                                 printf("Getting offset, jitter and stratum for peer %.2x\n", ntohs(peers[i].assoc));
                         }
-                        xasprintf(&data, "");
+                        data = strdup("");
                         do {
                                 setup_control_request(&req, OP_READVAR, 2);
                                 req.assoc = peers[i].assoc;
@@ -518,36 +521,76 @@ check_ntp_peer_config_wrapper process_arguments(int argc, char **argv) {
                 case 'q':
                         result.config.quiet = true;
                         break;
-                case 'w':
-                        result.config.owarn = optarg;
-                        break;
-                case 'c':
-                        result.config.ocrit = optarg;
-                        break;
-                case 'W':
+                case 'w': {
+                        mp_range_parsed tmp = mp_parse_range_string(optarg);
+                        if (tmp.error != MP_PARSING_SUCCES) {
+                                die(STATE_UNKNOWN, "failed to parse warning offset threshold");
+                        }
+
+                        mp_thresholds_set_warn(result.config.offset_thresholds, tmp.range);
+                } break;
+                case 'c': {
+                        mp_range_parsed tmp = mp_parse_range_string(optarg);
+                        if (tmp.error != MP_PARSING_SUCCES) {
+                                die(STATE_UNKNOWN, "failed to parse critical offset threshold");
+                        }
+
+                        mp_thresholds_set_crit(result.config.offset_thresholds, tmp.range);
+                } break;
+                case 'W': {
                         result.config.do_stratum = true;
-                        result.config.swarn = optarg;
-                        break;
-                case 'C':
+                        mp_range_parsed tmp = mp_parse_range_string(optarg);
+                        if (tmp.error != MP_PARSING_SUCCES) {
+                                die(STATE_UNKNOWN, "failed to parse warning stratum threshold");
+                        }
+
+                        mp_thresholds_set_warn(result.config.stratum_thresholds, tmp.range);
+                } break;
+                case 'C': {
                         result.config.do_stratum = true;
-                        result.config.scrit = optarg;
-                        break;
-                case 'j':
+                        mp_range_parsed tmp = mp_parse_range_string(optarg);
+                        if (tmp.error != MP_PARSING_SUCCES) {
+                                die(STATE_UNKNOWN, "failed to parse critical stratum threshold");
+                        }
+
+                        mp_thresholds_set_crit(result.config.stratum_thresholds, tmp.range);
+                } break;
+                case 'j': {
                         result.config.do_jitter = true;
-                        result.config.jwarn = optarg;
-                        break;
-                case 'k':
+                        mp_range_parsed tmp = mp_parse_range_string(optarg);
+                        if (tmp.error != MP_PARSING_SUCCES) {
+                                die(STATE_UNKNOWN, "failed to parse warning jitter threshold");
+                        }
+
+                        mp_thresholds_set_warn(result.config.jitter_thresholds, tmp.range);
+                } break;
+                case 'k': {
                         result.config.do_jitter = true;
-                        result.config.jcrit = optarg;
-                        break;
-                case 'm':
+                        mp_range_parsed tmp = mp_parse_range_string(optarg);
+                        if (tmp.error != MP_PARSING_SUCCES) {
+                                die(STATE_UNKNOWN, "failed to parse critical jitter threshold");
+                        }
+
+                        mp_thresholds_set_crit(result.config.jitter_thresholds, tmp.range);
+                } break;
+                case 'm': {
                         result.config.do_truechimers = true;
-                        result.config.twarn = optarg;
-                        break;
-                case 'n':
+                        mp_range_parsed tmp = mp_parse_range_string(optarg);
+                        if (tmp.error != MP_PARSING_SUCCES) {
+                                die(STATE_UNKNOWN, "failed to parse warning truechimer threshold");
+                        }
+
+                        mp_thresholds_set_warn(result.config.truechimer_thresholds, tmp.range);
+                } break;
+                case 'n': {
                         result.config.do_truechimers = true;
-                        result.config.tcrit = optarg;
-                        break;
+                        mp_range_parsed tmp = mp_parse_range_string(optarg);
+                        if (tmp.error != MP_PARSING_SUCCES) {
+                                die(STATE_UNKNOWN, "failed to parse critical truechimer threshold");
+                        }
+
+                        mp_thresholds_set_crit(result.config.truechimer_thresholds, tmp.range);
+                } break;
                 case 'H':
                         if (!is_host(optarg)) {
                                 usage2(_("Invalid hostname/address"), optarg);
@@ -581,11 +624,6 @@ check_ntp_peer_config_wrapper process_arguments(int argc, char **argv) {
                 usage4(_("Hostname was not supplied"));
         }
 
-        set_thresholds(&result.config.offset_thresholds, result.config.owarn, result.config.ocrit);
-        set_thresholds(&result.config.jitter_thresholds, result.config.jwarn, result.config.jcrit);
-        set_thresholds(&result.config.stratum_thresholds, result.config.swarn, result.config.scrit);
-        set_thresholds(&result.config.truechimer_thresholds, result.config.twarn, result.config.tcrit);
-
         return result;
 }
 
@@ -635,124 +673,100 @@ int main(int argc, char *argv[]) {
 
         /* This returns either OK or WARNING (See comment preceding ntp_request) */
         const ntp_request_result ntp_res = ntp_request(config);
-        mp_state_enum result = STATE_UNKNOWN;
+        mp_check overall = mp_check_init();
 
+        mp_subcheck sc_offset = mp_subcheck_init();
+        xasprintf(&sc_offset.output, "offset");
         if (ntp_res.offset_result == STATE_UNKNOWN) {
                 /* if there's no sync peer (this overrides ntp_request output): */
-                result = (config.quiet ? STATE_UNKNOWN : STATE_CRITICAL);
+                sc_offset =
+                        mp_set_subcheck_state(sc_offset, (config.quiet ? STATE_UNKNOWN : STATE_CRITICAL));
         } else {
                 /* Be quiet if there's no candidates either */
-                if (config.quiet && result == STATE_WARNING) {
-                        result = STATE_UNKNOWN;
+                mp_state_enum tmp = STATE_OK;
+                if (config.quiet && ntp_res.state == STATE_WARNING) {
+                        tmp = STATE_UNKNOWN;
                 }
-                result = max_state_alt(result, get_status(fabs(ntp_res.offset), config.offset_thresholds));
+
+                mp_perfdata pd_offset = perfdata_init();
+                pd_offset.value = mp_create_pd_value(fabs(ntp_res.offset));
+                pd_offset = mp_pd_set_thresholds(pd_offset, config.offset_thresholds);
+
+                tmp = max_state_alt(tmp, mp_get_pd_status(pd_offset));
+                sc_offset = mp_set_subcheck_state(sc_offset, tmp);
         }
 
-        mp_state_enum oresult = result;
-        mp_state_enum tresult = STATE_UNKNOWN;
+        mp_add_subcheck_to_check(&overall, sc_offset);
 
+        // truechimers
         if (config.do_truechimers) {
-                tresult = get_status(ntp_res.num_truechimers, config.truechimer_thresholds);
-                result = max_state_alt(result, tresult);
-        }
+                mp_subcheck sc_truechimers;
+                xasprintf(&sc_truechimers.output, "truechimers: %i", ntp_res.num_truechimers);
 
-        mp_state_enum sresult = STATE_UNKNOWN;
+                mp_perfdata pd_truechimers = perfdata_init();
+                pd_truechimers.value = mp_create_pd_value(ntp_res.num_truechimers);
+                mp_pd_set_thresholds(pd_truechimers, config.truechimer_thresholds);
+                mp_add_perfdata_to_subcheck(&sc_truechimers, pd_truechimers);
 
-        if (config.do_stratum) {
-                sresult = get_status((double)ntp_res.stratum, config.stratum_thresholds);
-                result = max_state_alt(result, sresult);
+                sc_truechimers = mp_set_subcheck_state(sc_truechimers, mp_get_pd_status(pd_truechimers));
+
+                mp_add_subcheck_to_check(&overall, sc_truechimers);
         }
 
-        mp_state_enum jresult = STATE_UNKNOWN;
+        if (config.do_stratum) {
+                mp_subcheck sc_stratum = mp_subcheck_init();
+                xasprintf(&sc_stratum.output, "stratum: %li", ntp_res.stratum);
 
-        if (config.do_jitter) {
-                jresult = get_status(ntp_res.jitter, config.jitter_thresholds);
-                result = max_state_alt(result, jresult);
+                mp_perfdata pd_stratum = perfdata_init();
+                pd_stratum.value = mp_create_pd_value(ntp_res.stratum);
+                pd_stratum = mp_pd_set_thresholds(pd_stratum, config.stratum_thresholds);
+                mp_add_perfdata_to_subcheck(&sc_stratum, pd_stratum);
+
+                sc_stratum = mp_set_subcheck_state(sc_stratum, mp_get_pd_status(pd_stratum));
+
+                mp_add_subcheck_to_check(&overall, sc_stratum);
         }
 
-        char *result_line;
-        switch (result) {
-        case STATE_CRITICAL:
-                xasprintf(&result_line, _("NTP CRITICAL:"));
-                break;
-        case STATE_WARNING:
-                xasprintf(&result_line, _("NTP WARNING:"));
-                break;
-        case STATE_OK:
-                xasprintf(&result_line, _("NTP OK:"));
-                break;
-        default:
-                xasprintf(&result_line, _("NTP UNKNOWN:"));
-                break;
+        if (config.do_jitter) {
+                mp_subcheck sc_jitter = mp_subcheck_init();
+                xasprintf(&sc_jitter.output, "jitter: %f", ntp_res.jitter);
+
+                mp_perfdata pd_jitter = perfdata_init();
+                pd_jitter.value = mp_create_pd_value(ntp_res.jitter);
+                pd_jitter = mp_pd_set_thresholds(pd_jitter, config.jitter_thresholds);
+                mp_add_perfdata_to_subcheck(&sc_jitter, pd_jitter);
+
+                sc_jitter = mp_set_subcheck_state(sc_jitter, mp_get_pd_status(pd_jitter));
+                mp_add_subcheck_to_check(&overall, sc_jitter);
         }
 
+        mp_subcheck sc_other_info = mp_subcheck_init();
+        sc_other_info = mp_set_subcheck_default_state(sc_other_info, STATE_OK);
         if (!ntp_res.syncsource_found) {
-                xasprintf(&result_line, "%s %s,", result_line, _("Server not synchronized"));
+                xasprintf(&sc_other_info.output, "%s", _("Server not synchronized"));
+                mp_add_subcheck_to_check(&overall, sc_other_info);
         } else if (ntp_res.li_alarm) {
-                xasprintf(&result_line, "%s %s,", result_line, _("Server has the LI_ALARM bit set"));
+                xasprintf(&sc_other_info.output, "%s", _("Server has the LI_ALARM bit set"));
+                mp_add_subcheck_to_check(&overall, sc_other_info);
         }
 
-        char *perfdata_line;
-        if (ntp_res.offset_result == STATE_UNKNOWN) {
-                xasprintf(&result_line, "%s %s", result_line, _("Offset unknown"));
-                xasprintf(&perfdata_line, "");
-        } else if (oresult == STATE_WARNING) {
-                xasprintf(&result_line, "%s %s %.10g secs (WARNING)", result_line, _("Offset"),
-                                  ntp_res.offset);
-        } else if (oresult == STATE_CRITICAL) {
-                xasprintf(&result_line, "%s %s %.10g secs (CRITICAL)", result_line, _("Offset"),
-                                  ntp_res.offset);
-        } else {
-                xasprintf(&result_line, "%s %s %.10g secs", result_line, _("Offset"), ntp_res.offset);
-        }
-        xasprintf(&perfdata_line, "%s", perfd_offset(ntp_res.offset, config.offset_thresholds));
-
-        if (config.do_jitter) {
-                if (jresult == STATE_WARNING) {
-                        xasprintf(&result_line, "%s, jitter=%f (WARNING)", result_line, ntp_res.jitter);
-                } else if (jresult == STATE_CRITICAL) {
-                        xasprintf(&result_line, "%s, jitter=%f (CRITICAL)", result_line, ntp_res.jitter);
-                } else {
-                        xasprintf(&result_line, "%s, jitter=%f", result_line, ntp_res.jitter);
-                }
-                xasprintf(&perfdata_line, "%s %s", perfdata_line,
-                                  perfd_jitter(ntp_res.jitter, config.do_jitter, config.jitter_thresholds));
-        }
+        {
+                mp_subcheck sc_offset = mp_subcheck_init();
+                sc_offset = mp_set_subcheck_default_state(sc_offset, STATE_OK);
+                xasprintf(&sc_offset.output, "offset: %.10gs", ntp_res.offset);
 
-        if (config.do_stratum) {
-                if (sresult == STATE_WARNING) {
-                        xasprintf(&result_line, "%s, stratum=%li (WARNING)", result_line, ntp_res.stratum);
-                } else if (sresult == STATE_CRITICAL) {
-                        xasprintf(&result_line, "%s, stratum=%li (CRITICAL)", result_line, ntp_res.stratum);
-                } else {
-                        xasprintf(&result_line, "%s, stratum=%li", result_line, ntp_res.stratum);
-                }
-                xasprintf(&perfdata_line, "%s %s", perfdata_line,
-                                  perfd_stratum(ntp_res.stratum, config.do_stratum, config.stratum_thresholds));
-        }
+                mp_perfdata pd_offset = perfdata_init();
+                pd_offset.value = mp_create_pd_value(ntp_res.offset);
+                pd_offset = mp_pd_set_thresholds(pd_offset, config.offset_thresholds);
 
-        if (config.do_truechimers) {
-                if (tresult == STATE_WARNING) {
-                        xasprintf(&result_line, "%s, truechimers=%i (WARNING)", result_line,
-                                          ntp_res.num_truechimers);
-                } else if (tresult == STATE_CRITICAL) {
-                        xasprintf(&result_line, "%s, truechimers=%i (CRITICAL)", result_line,
-                                          ntp_res.num_truechimers);
-                } else {
-                        xasprintf(&result_line, "%s, truechimers=%i", result_line, ntp_res.num_truechimers);
-                }
-                xasprintf(&perfdata_line, "%s %s", perfdata_line,
-                                  perfd_truechimers(ntp_res.num_truechimers, config.do_truechimers,
-                                                                        config.truechimer_thresholds));
+                sc_offset = mp_set_subcheck_state(sc_offset, ntp_res.offset_result);
         }
 
-        printf("%s|%s\n", result_line, perfdata_line);
-
         if (config.server_address != NULL) {
                 free(config.server_address);
         }
 
-        exit(result);
+        mp_exit(overall);
 }
 
 void print_help(void) {