nagios4/include/statusdata.h
2017-05-19 23:37:19 +02:00

200 lines
6.3 KiB
C

/*****************************************************************************
*
* STATUSDATA.H - Header for external status data routines
*
*
* License:
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*****************************************************************************/
#ifndef NAGIOS_STATUSDATA_H_INCLUDED
#define NAGIOS_STATUSDATA_H_INCLUDED
#include "common.h"
#include "objects.h"
#ifdef NSCGI
#define READ_PROGRAM_STATUS 1
#define READ_HOST_STATUS 2
#define READ_SERVICE_STATUS 4
#define READ_CONTACT_STATUS 8
#define READ_ALL_STATUS_DATA READ_PROGRAM_STATUS | READ_HOST_STATUS | READ_SERVICE_STATUS | READ_CONTACT_STATUS
/*************************** CHAINED HASH LIMITS ***************************/
#define SERVICESTATUS_HASHSLOTS 1024
#define HOSTSTATUS_HASHSLOTS 1024
/**************************** DATA STRUCTURES ******************************/
NAGIOS_BEGIN_DECL
/* HOST STATUS structure */
typedef struct hoststatus_struct {
char *host_name;
char *plugin_output;
char *long_plugin_output;
char *perf_data;
int status;
time_t last_update;
int has_been_checked;
int should_be_scheduled;
int current_attempt;
int max_attempts;
time_t last_check;
time_t next_check;
int check_options;
int check_type;
time_t last_state_change;
time_t last_hard_state_change;
int last_hard_state;
time_t last_time_up;
time_t last_time_down;
time_t last_time_unreachable;
int state_type;
time_t last_notification;
time_t next_notification;
int no_more_notifications;
int notifications_enabled;
int problem_has_been_acknowledged;
int acknowledgement_type;
int current_notification_number;
int accept_passive_checks;
int event_handler_enabled;
int checks_enabled;
int flap_detection_enabled;
int is_flapping;
double percent_state_change;
double latency;
double execution_time;
int scheduled_downtime_depth;
int process_performance_data;
int obsess;
struct hoststatus_struct *next;
struct hoststatus_struct *nexthash;
} hoststatus;
/* SERVICE STATUS structure */
typedef struct servicestatus_struct {
char *host_name;
char *description;
char *plugin_output;
char *long_plugin_output;
char *perf_data;
int max_attempts;
int current_attempt;
int status;
time_t last_update;
int has_been_checked;
int should_be_scheduled;
time_t last_check;
time_t next_check;
int check_options;
int check_type;
int checks_enabled;
time_t last_state_change;
time_t last_hard_state_change;
int last_hard_state;
time_t last_time_ok;
time_t last_time_warning;
time_t last_time_unknown;
time_t last_time_critical;
int state_type;
time_t last_notification;
time_t next_notification;
int no_more_notifications;
int notifications_enabled;
int problem_has_been_acknowledged;
int acknowledgement_type;
int current_notification_number;
int accept_passive_checks;
int event_handler_enabled;
int flap_detection_enabled;
int is_flapping;
double percent_state_change;
double latency;
double execution_time;
int scheduled_downtime_depth;
int process_performance_data;
int obsess;
struct servicestatus_struct *next;
struct servicestatus_struct *nexthash;
} servicestatus;
/*************************** SERVICE STATES ***************************/
#define SERVICE_PENDING 1
#define SERVICE_OK 2
#define SERVICE_WARNING 4
#define SERVICE_UNKNOWN 8
#define SERVICE_CRITICAL 16
/**************************** HOST STATES ****************************/
#define HOST_PENDING 1
#define SD_HOST_UP 2
#define SD_HOST_DOWN 4
#define SD_HOST_UNREACHABLE 8
/* Convert the (historically ordered) host states into a notion of "urgency".
This is defined as, in ascending order:
SD_HOST_UP (business as usual)
HOST_PENDING (waiting for - supposedly first - check result)
SD_HOST_UNREACHABLE (a problem, but likely not its cause)
SD_HOST_DOWN (look here!!)
The exact values are irrelevant, so I try to make the conversion as
CPU-efficient as possible: */
#define HOST_URGENCY(hs) ((hs)|(((hs)&0x5)<<1))
/**************************** FUNCTIONS ******************************/
int read_status_data(const char *, int); /* reads all status data */
int add_host_status(hoststatus *); /* adds a host status entry to the list in memory */
int add_service_status(servicestatus *); /* adds a service status entry to the list in memory */
int add_hoststatus_to_hashlist(hoststatus *);
int add_servicestatus_to_hashlist(servicestatus *);
servicestatus *find_servicestatus(char *, char *); /* finds status information for a specific service */
hoststatus *find_hoststatus(char *); /* finds status information for a specific host */
int get_servicestatus_count(char *, int); /* gets total number of services of a certain type for a specific host */
void free_status_data(void); /* free all memory allocated to status data */
#endif
#ifndef NSCGI
int initialize_status_data(const char *); /* initializes status data at program start */
int update_all_status_data(void); /* updates all status data */
int cleanup_status_data(int); /* cleans up status data at program termination */
int update_program_status(int); /* updates program status data */
int update_host_status(host *, int); /* updates host status data */
int update_service_status(service *, int); /* updates service status data */
int update_contact_status(contact *, int); /* updates contact status data */
#endif
NAGIOS_END_DECL
#endif