#ifndef ROUTE_H
#define ROUTE_H

#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>

#include "x_builtins.h"

struct event_base;

#define ROUTE_HOST_MAX 256
#define ROUTE_DEFAULT_IDLE_TIMEOUT_SEC 60
#define ROUTE_DEFAULT_CONNECT_TIMEOUT_SEC 5

enum proto {
	PROTO_TCP,
	PROTO_UDP,
};

struct route_options {
	bool proxy_v2;
	bool keep_alive;

	int idle_timeout_sec;
	int connect_timeout_sec;
};

enum endpoint_kind {
	ENDPOINT_INET,
	ENDPOINT_UNIX,
	ENDPOINT_UNIX_DGRAM,
	ENDPOINT_BUILTIN,
	ENDPOINT_FILE,
};

struct endpoint {
	enum endpoint_kind kind;

	char host[256];
	uint16_t port;

	char path[108]; /* sockaddr_un sun_path limit on Linux */

	enum x_builtin_upstream builtin;
};

struct route {
	struct endpoint listen;
	struct endpoint upstream;

	enum proto proto;
	struct route_options opts;

	unsigned int line_no;
};

struct worker {
	struct event_base *base;
	size_t id;
};

int endpoint_to_string(const struct endpoint *ep, char *buf, size_t buf_len);
void route_options_str(const struct route_options *opts, char *buf, size_t buflen);

#endif