/* -*-pgsql-c-*- */
/*
 *
 * $Header$
 *
 * pgpool: a language independent connection pool server for PostgreSQL
 * written by Tatsuo Ishii
 *
 * Copyright (c) 2003-2025	PgPool Global Development Group
 *
 * Permission to use, copy, modify, and distribute this software and
 * its documentation for any purpose and without fee is hereby
 * granted, provided that the above copyright notice appear in all
 * copies and that both that copyright notice and this permission
 * notice appear in supporting documentation, and that the name of the
 * author not be used in advertising or publicity pertaining to
 * distribution of the software without specific, written prior
 * permission. The author makes no representations about the
 * suitability of this software for any purpose.  It is provided "as
 * is" without express or implied warranty.
 *
 *
 */

#ifndef WD_UTILS_H
#define WD_UTILS_H

#include <ifaddrs.h>
#include <pthread.h>
#include "parser/pg_list.h"

#define WD_NG (0)
#define WD_OK (1)
#define WD_MAX_PACKET_STRING (256)

/* wd_utils.c*/
extern int	wd_chk_sticky(void);
extern void wd_check_network_command_configurations(void);
extern int	watchdog_thread_create(pthread_t *thread, const pthread_attr_t *attr, void *(*start_routine) (void *), void *arg);
extern char *string_replace(const char *string, const char *pattern, const char *replacement);
extern void wd_calc_hash(const char *str, int len, char *buf);
extern int	aes_decrypt_with_password(unsigned char *ciphertext, int ciphertext_len,
									  const char *password, unsigned char *plaintext);
extern int	aes_encrypt_with_password(unsigned char *plaintext, int plaintext_len,
									  const char *password, unsigned char *ciphertext);

/* wd_escalation.c */
extern pid_t fork_escalation_process(void);
extern pid_t fork_plunging_process(void);

/* wd_ping.c */
extern int	wd_is_upper_ok(char *server_list);
extern bool wd_is_ip_exists(char *ip);
extern bool wd_get_ping_result(char *hostname, int exit_status, int outfd);
extern pid_t wd_issue_ping_command(char *hostname, int *outfd);
extern pid_t wd_trusted_server_command(char *hostname);

/* wd_if.c */
extern List *get_all_local_ips(void);
extern int	wd_IP_up(void);
extern int	wd_IP_down(void);
extern char *wd_get_cmd(char *cmd);
extern int	create_monitoring_socket(void);
extern bool read_interface_change_event(int sock, bool *link_event, bool *deleted);
extern bool is_interface_up(struct ifaddrs *ifa);

#endif