#ifndef ODYSSEY_CONFIG_H
#define ODYSSEY_CONFIG_H

/*
 * Odyssey.
 *
 * Scalable PostgreSQL connection pooler.
 */

#include "list.h"
#include "logger.h"

typedef struct od_config_listen od_config_listen_t;
typedef struct od_config od_config_t;

typedef enum
{
	OD_CONFIG_TLS_DISABLE,
	OD_CONFIG_TLS_ALLOW,
	OD_CONFIG_TLS_REQUIRE,
	OD_CONFIG_TLS_VERIFY_CA,
	OD_CONFIG_TLS_VERIFY_FULL
} od_config_tls_t;

struct od_config_listen
{
	char *host;
	int port;
	int backlog;
	od_config_tls_t tls_mode;
	char *tls;
	char *tls_ca_file;
	char *tls_key_file;
	char *tls_cert_file;
	char *tls_protocols;
	int client_login_timeout;
	od_list_t link;
};

struct od_config
{
	int daemonize;
	int priority;
	/* logging */
	int log_to_stdout;
	int log_debug;
	int log_config;
	int log_session;
	int log_query;
	char *log_file;
	char *log_format;
	int log_stats;
	int log_syslog;
	char *log_syslog_ident;
	char *log_syslog_facility;
	/*         */
	int stats_interval;
	/* system related settings */
	char *pid_file;
	char *unix_socket_dir;
	char *unix_socket_mode;
	char *locks_dir;
	/* sigusr2 etc */
	int graceful_die_on_errors;
	int enable_online_restart_feature;
	int bindwith_reuseport;
	/*                         */
	int readahead;
	int nodelay;

	/* TCP KEEPALIVE related settings */
	int keepalive;
	int keepalive_keep_interval;
	int keepalive_probes;
	int keepalive_usr_timeout;
	/*                                */

	int workers;
	int resolvers;
	int client_max_set;
	int client_max;
	int client_max_routing;
	int server_login_retry;
	int cache_coroutine;
	int cache_msg_gc_size;
	int coroutine_stack_size;
	od_list_t listen;
};

static inline int
od_config_is_multi_workers(od_config_t *config)
{
	return config->workers > 1;
}

void
od_config_init(od_config_t *);
void
od_config_free(od_config_t *);
void
od_config_reload(od_config_t *, od_config_t *);
int
od_config_validate(od_config_t *, od_logger_t *);
void
od_config_print(od_config_t *, od_logger_t *);

od_config_listen_t *
od_config_listen_add(od_config_t *);

#endif /* ODYSSEY_CONFIG_H */