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/* Copyright (C) 2015-2017 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#include <uv.h>
#include <stdbool.h>
#include "lib/generic/array.h"
#include "lib/generic/map.h"
struct engine;
enum endpoint_flag {
NET_DOWN = 0 << 0,
NET_UDP = 1 << 0,
NET_TCP = 1 << 1,
NET_TLS = 1 << 2,
};
struct endpoint {
uv_udp_t *udp;
uv_tcp_t *tcp;
uint16_t port;
uint16_t flags;
};
/** @cond internal Array of endpoints */
typedef array_t(struct endpoint*) endpoint_array_t;
/* @endcond */
struct net_tcp_param {
uint64_t in_idle_timeout;
uint64_t tls_handshake_timeout;
};
struct tls_session_ticket_ctx;
struct network {
uv_loop_t *loop;
map_t endpoints;
struct tls_credentials *tls_credentials;
map_t tls_client_params;
struct tls_session_ticket_ctx *tls_session_ticket_ctx;
struct net_tcp_param tcp;
int tcp_backlog;
};
void network_init(struct network *net, uv_loop_t *loop, int tcp_backlog);
void network_deinit(struct network *net);
int network_listen_fd(struct network *net, int fd, bool use_tls);
int network_listen(struct network *net, const char *addr, uint16_t port, uint32_t flags);
int network_close(struct network *net, const char *addr, uint16_t port);
int network_set_tls_cert(struct network *net, const char *cert);
int network_set_tls_key(struct network *net, const char *key);
void network_new_hostname(struct network *net, struct engine *engine);
int network_set_bpf(struct network *net, int bpf_fd);
void network_clear_bpf(struct network *net);
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