#ifndef OD_CONFIG_H
#define OD_CONFIG_H

/*
 * Odyssey.
 *
 * Advanced PostgreSQL connection pooler.
*/

typedef struct od_configstorage od_configstorage_t;
typedef struct od_configroute   od_configroute_t;
typedef struct od_configlisten  od_configlisten_t;
typedef struct od_config        od_config_t;

typedef enum
{
	OD_STORAGETYPE_REMOTE,
	OD_STORAGETYPE_LOCAL
} od_storagetype_t;

typedef enum
{
	OD_POOLING_SESSION,
	OD_POOLING_TRANSACTION
} od_pooling_t;

typedef enum
{
	OD_AUTH_UNDEF,
	OD_AUTH_NONE,
	OD_AUTH_BLOCK,
	OD_AUTH_CLEAR_TEXT,
	OD_AUTH_MD5
} od_auth_t;

typedef enum
{
	OD_TLS_DISABLE,
	OD_TLS_ALLOW,
	OD_TLS_REQUIRE,
	OD_TLS_VERIFY_CA,
	OD_TLS_VERIFY_FULL
} od_tls_t;

struct od_configstorage
{
	char             *name;
	char             *type;
	od_storagetype_t  storage_type;
	char             *host;
	int               port;
	od_tls_t          tls_mode;
	char             *tls;
	char             *tls_ca_file;
	char             *tls_key_file;
	char             *tls_cert_file;
	char             *tls_protocols;
	od_list_t         link;
};

struct od_configroute
{
	/* id */
	char               *db_name;
	int                 db_name_len;
	int                 db_is_default;
	char               *user_name;
	int                 user_name_len;
	int                 user_is_default;
	/* auth */
	char               *auth;
	od_auth_t           auth_mode;
	char               *auth_query;
	char               *auth_query_db;
	char               *auth_query_user;
	/* password */
	char               *password;
	int                 password_len;
	/* storage */
	od_configstorage_t *storage;
	char               *storage_name;
	char               *storage_db;
	char               *storage_user;
	int                 storage_user_len;
	char               *storage_password;
	int                 storage_password_len;
	/* pool */
	od_pooling_t        pool;
	char               *pool_sz;
	int                 pool_size;
	int                 pool_timeout;
	int                 pool_ttl;
	int                 pool_cancel;
	int                 pool_rollback;
	/* misc */
	int                 client_fwd_error;
	int                 client_max_set;
	int                 client_max;
	int                 log_debug;
	od_list_t           link;
};

struct od_configlisten
{
	char      *host;
	int        port;
	int        backlog;
	od_tls_t   tls_mode;
	char      *tls;
	char      *tls_ca_file;
	char      *tls_key_file;
	char      *tls_cert_file;
	char      *tls_protocols;
	od_list_t  link;
};

struct od_config
{
	/* main */
	int        daemonize;
	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;
	char      *pid_file;
	int        readahead;
	int        nodelay;
	int        keepalive;
	int        workers;
	int        resolvers;
	int        client_max_set;
	int        client_max;
	int        cache;
	int        cache_chunk;
	int        cache_coroutine;
	int        pipeline;
	/* temprorary storages */
	od_list_t  storages;
	/* routes */
	od_list_t  routes;
	/* listen servers */
	od_list_t  listen;
};

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

od_configlisten_t*
od_configlisten_add(od_config_t*);

od_configstorage_t*
od_configstorage_add(od_config_t*);

od_configstorage_t*
od_configstorage_copy(od_configstorage_t*);

od_configstorage_t*
od_configstorage_match(od_config_t*, char*);

void od_configstorage_free(od_configstorage_t*);

od_configroute_t*
od_configroute_add(od_config_t*);

void od_configroute_free(od_configroute_t*);

od_configroute_t*
od_configroute_forward(od_config_t*, char*, char*);

od_configroute_t*
od_configroute_match(od_config_t*, char*, char*);

#endif /* OD_CONFIG_H */