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/* |
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* Copyright (c) 2007, OmniTI Computer Consulting, Inc. |
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* All rights reserved. |
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*/ |
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#ifndef _NOIT_POLLER_H |
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#define _NOIT_POLLER_H |
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#include "noit_defines.h" |
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#include <uuid/uuid.h> |
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#include <netinet/in.h> |
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#include "eventer/eventer.h" |
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#include "utils/noit_hash.h" |
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#include "noit_conf.h" |
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#include "noit_console.h" |
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/* |
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* Checks: |
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* attrs: |
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* UUID |
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* host (target) |
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* check (module) |
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* name (identifying the check to the user if |
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* multiple checks of the same module are specified) |
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* config (params for the module) |
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* period (ms) |
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* timeout (ms) |
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* transient: |
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* eventer_t (fire) |
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* stats_t [inprogress, last] |
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* closure |
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*/ |
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#define NP_RUNNING 0x00000001 |
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#define NP_KILLED 0x00000002 |
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#define NP_DISABLED 0x00000004 |
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#define NP_UNCONFIG 0x00000008 |
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#define NP_UNKNOWN '0' /* stats_t.{available,state} */ |
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#define NP_AVAILABLE 'A' /* stats_t.available */ |
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#define NP_UNAVAILABLE 'U' /* stats_t.available */ |
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#define NP_BAD 'B' /* stats_t.state */ |
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#define NP_GOOD 'G' /* stats_t.state */ |
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typedef struct { |
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char *metric_name; |
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enum { METRIC_INT, METRIC_FLOAT, METRIC_STRING } metric_type; |
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union { |
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float *f; |
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int *i; |
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char *s; |
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} metric_value; |
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} metric_t; |
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typedef struct { |
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struct timeval whence; |
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int8_t available; |
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int8_t state; |
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u_int32_t duration; |
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char *status; |
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noit_hash_table metrics; |
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} stats_t; |
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typedef struct dep_list { |
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struct noit_check *check; |
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struct dep_list *next; |
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} dep_list_t; |
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typedef struct noit_check { |
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uuid_t checkid; |
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int8_t target_family; |
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union { |
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struct in_addr addr; |
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struct in6_addr addr6; |
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} target_addr; |
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char *target; |
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char *module; |
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char *name; |
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noit_hash_table *config; |
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char *oncheck; /* target`name of the check that fires us */ |
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u_int32_t period; /* period of checks in milliseconds */ |
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u_int32_t timeout; /* timeout of check in milliseconds */ |
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u_int32_t flags; /* NP_KILLED, NP_RUNNING */ |
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dep_list_t *causal_checks; |
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eventer_t fire_event; |
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struct timeval last_fire_time; |
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struct { |
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stats_t current; |
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stats_t previous; |
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} stats; |
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u_int32_t generation; /* This can roll, we don't care */ |
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void *closure; |
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} noit_check_t; |
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#define NOIT_CHECK_LIVE(a) ((a)->fire_event != NULL) |
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#define NOIT_CHECK_DISABLED(a) ((a)->flags & NP_DISABLED) |
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#define NOIT_CHECK_CONFIGURED(a) (((a)->flags & NP_UNCONFIG) == 0) |
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#define NOIT_CHECK_RUNNING(a) ((a)->flags & NP_RUNNING) |
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#define NOIT_CHECK_KILLED(a) ((a)->flags & NP_KILLED) |
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API_EXPORT(void) noit_poller_init(); |
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API_EXPORT(void) noit_poller_reload(const char *xpath); /* NULL for all */ |
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API_EXPORT(void) noit_poller_process_checks(const char *xpath); |
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API_EXPORT(void) noit_poller_make_causal_map(); |
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API_EXPORT(void) |
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noit_check_fake_last_check(noit_check_t *check, |
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struct timeval *lc, struct timeval *_now); |
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API_EXPORT(int) noit_check_max_initial_stutter(); |
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API_EXPORT(int) |
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noit_poller_schedule(const char *target, |
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const char *module, |
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const char *name, |
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noit_hash_table *config, |
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u_int32_t period, |
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u_int32_t timeout, |
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const char *oncheck, |
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int flags, |
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uuid_t in, |
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uuid_t out); |
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API_EXPORT(int) |
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noit_check_update(noit_check_t *new_check, |
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const char *target, |
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const char *name, |
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noit_hash_table *config, |
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u_int32_t period, |
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u_int32_t timeout, |
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const char *oncheck, |
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int flags); |
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API_EXPORT(int) |
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noit_poller_deschedule(uuid_t in); |
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API_EXPORT(noit_check_t *) |
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noit_poller_lookup(uuid_t in); |
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API_EXPORT(noit_check_t *) |
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noit_poller_lookup_by_name(char *target, char *name); |
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API_EXPORT(void) |
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noit_check_stats_clear(stats_t *s); |
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struct _noit_module; |
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API_EXPORT(void) |
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noit_check_set_stats(struct _noit_module *self, noit_check_t *check, |
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stats_t *newstate); |
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API_EXPORT(void) |
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noit_stats_set_metric_int(stats_t *newstate, char *name, int *value); |
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API_EXPORT(void) |
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noit_stats_set_metric_float(stats_t *newstate, char *name, float *value); |
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API_EXPORT(void) |
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noit_stats_set_metric_string(stats_t *newstate, char *name, char *value); |
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#endif |
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