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/*
* Prototypes for internal lbcd functions.
*
* Written by Larry Schwimmer
* Copyright 1996, 1997, 1998, 2004, 2006, 2008, 2012, 2013
* The Board of Trustees of the Leland Stanford Junior University
*
* See LICENSE for licensing terms.
*/
#ifndef LBCD_H
#define LBCD_H 1
#include <config.h>
#include <portable/macros.h>
#if HAVE_INTTYPES_H
# include <inttypes.h>
#endif
#if HAVE_STDINT_H
# include <stdint.h>
#endif
#if HAVE_SYS_BITYPES_H
# include <sys/bitypes.h>
#endif
#include <sys/types.h>
#include <time.h> /* time_t */
#include <server/protocol.h>
/* Forward declarations to avoid includes. */
struct vector;
/*
* A weight function takes a pointer to the weight and increment, a timeout, a
* port argument, and the response argument.
*/
typedef int weight_func_type(uint32_t *, uint32_t *, int, const char *,
struct lbcd_reply *);
BEGIN_DECLS
/* kernel.c */
extern int kernel_getload(double *l1, double *l5, double *l15);
extern int kernel_getboottime(time_t *boottime);
/* get_user.c */
extern int get_user_stats(int *total, int *unique, int *onconsole,
time_t *user_mtime);
/* tmp_free.c */
extern int tmp_full(const char *path);
/* server.c */
extern void lbcd_pack_info(struct lbcd_reply *lb, unsigned int protocol,
struct vector *services, int simple);
extern void lbcd_test(int argc, char *argv[]);
/* weight.c */
int lbcd_default_weight(struct lbcd_reply *lb, uint32_t *weight,
uint32_t *incr);
int lbcd_weight_init(const char *cmd, const char *service, int timeout);
void lbcd_setweight(struct lbcd_reply *lb, int offset, const char *service);
/* weight.c -- generic routines */
extern weight_func_type lbcd_rr_weight; /* Round robin */
extern weight_func_type lbcd_cmd_weight; /* External command */
extern weight_func_type lbcd_unknown_weight; /* Error function */
/* tcp.c -- arbitrary tcp port */
extern weight_func_type lbcd_tcp_weight;
/* load.c -- Default module */
extern weight_func_type lbcd_load_weight;
/* ftp.c */
extern weight_func_type lbcd_ftp_weight;
/* http.c */
extern weight_func_type lbcd_http_weight;
/* imap.c */
extern weight_func_type lbcd_imap_weight;
/* ldap.c */
#ifdef HAVE_LDAP
extern weight_func_type lbcd_ldap_weight;
#endif
/* nntp.c */
extern weight_func_type lbcd_nntp_weight;
/* ntp.c */
extern weight_func_type lbcd_ntp_weight;
/* pop.c */
extern weight_func_type lbcd_pop_weight;
/* smtp.c */
extern weight_func_type lbcd_smtp_weight;
/*
* Extending lbcd locally
*
* lbcd contains a decent set of modules and extension mechanisms. If you
* wish to extend lbcd, it is pretty simple to write a new module and add it
* to your local lbcd distribution. Either as modules/local.c or as something
* else. Just include the prototype in lbcdload.h, the .c file in
* Makefile.am, and the entry in weight.c.
*/
#ifdef HAVE_LOCAL
extern weight_func_type lbcd_local_weight;
#endif
END_DECLS
#endif /* !LBCD_H */
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