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/*
* Copyright (c) 2004, Nate Nielsen
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
* * Redistributions in binary form must reproduce the
* above copyright notice, this list of conditions and
* the following disclaimer in the documentation and/or
* other materials provided with the distribution.
* * The names of contributors to this software may not be
* used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
*
* CONTRIBUTORS
* Nate Nielsen <nielsen@memberwebs.com>
*
*/
#ifndef __RRDBOTD_H__
#define __RRDBOTD_H__
#include <stdint.h>
#include <stdarg.h>
#include "asn1.h"
#include "snmp.h"
#include "sock-any.h"
#include "hash.h"
/* -----------------------------------------------------------------------------
* DATA
*/
typedef uint64_t mstime;
struct _rb_item;
struct _rb_poller;
struct _rb_host;
struct _rb_request;
/*
* Note that all the members are either in the config memory
* or inline. This helps us keep memory management simple.
*/
typedef struct _rb_item
{
/* Specific to this item */
const char* rrdfield;
struct snmp_value snmpfield;
/* The last value / current request */
union
{
int64_t i_value;
double f_value;
} v;
#define VALUE_UNSET 0
#define VALUE_REAL 1
#define VALUE_FLOAT 2
int vtype;
struct _rb_request* req;
/* Pointers to related */
const struct _rb_poller* poller;
const struct _rb_host* host;
/* Next in list of items */
struct _rb_item* next;
}
rb_item;
typedef struct _rb_host
{
/* The hash key is version:hostname:community */
char key[128];
const char* hostname;
const char* community;
int version;
/* Host resolving and book keeping */
struct sockaddr_any address;
mstime resolve_interval;
mstime last_resolve_try;
mstime last_resolved;
int is_resolved;
/* Next in list of hosts */
struct _rb_host* next;
}
rb_host;
typedef struct _rb_poller
{
/* The hash key is interval-timeout:rrdname */
char key[MAXPATHLEN];
/* This points into the memory above */
const char* rrdname;
mstime interval;
mstime timeout;
/* The things to poll. rb_poller owns this list */
rb_item* items;
/* Book keeping */
mstime last_polled;
/* Next in list of pollers */
struct _rb_poller* next;
}
rb_poller;
typedef struct _rb_state
{
/* Settings from command line */
const char* confdir;
const char* rrddir;
uint retries;
uint timeout;
/* All the pollers/hosts */
rb_poller* polls;
rb_host* hosts;
/* Quick lookups for responses */
hsh_t* poll_by_key;
hsh_t* host_by_key;
}
rb_state;
/* One global rb_state with all the main settings */
extern rb_state g_state;
/* -----------------------------------------------------------------------------
* UTILITIES (rrdbotd.c)
*/
typedef void (*resolve_callback)(void *context, int unused, const char *name,
const unsigned char *addr, size_t addrlen);
void rb_messagex(int level, const char* msg, ...);
void rb_message(int level, const char* msg, ...);
void rb_vmessage(int level, int err, const char* msg, va_list ap);
/* -----------------------------------------------------------------------------
* CONFIG (config.c)
*/
void rb_config_parse();
void rb_config_free();
/* -----------------------------------------------------------------------------
* SNMP ENGINE (snmp-engine.c)
*/
void rb_snmp_engine_init();
void rb_snmp_engine_uninit();
/* -----------------------------------------------------------------------------
* RRD UPDATE CODE (rrd-update.c)
*/
void rb_rrd_update(rb_poller *poll);
#endif /* __RRDBOTD_H__ */
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