Files
wget2/libwget/net.h
2023-12-17 20:58:10 +01:00

147 lines
3.3 KiB
C

/*
* Copyright (c) 2015 Tim Ruehsen
* Copyright (c) 2015-2023 Free Software Foundation, Inc.
*
* This file is part of libwget.
*
* Libwget 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.
*
* Libwget 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Libwget. If not, see <https://www.gnu.org/licenses/>.
*
*
* Header file for private net structures
*
* Changelog
* 23.02.2015 Tim Ruehsen
*
*/
#ifndef LIBWGET_NET_H
# define LIBWGET_NET_H
#include <sys/socket.h>
#include <netinet/in.h>
#ifdef WITH_LIBNGTCP2
#include <ngtcp2/ngtcp2.h>
#include <ngtcp2/ngtcp2_crypto.h>
#endif
#ifdef WITH_LIBNGHTTP3
#include <nghttp3/nghttp3.h>
#endif
#include <netdb.h>
#define MAX_STREAMS 10
struct wget_tcp_st {
void *
ssl_session;
struct addrinfo *
addrinfo;
struct addrinfo *
bind_addrinfo;
struct addrinfo *
connect_addrinfo; // needed for TCP_FASTOPEN delayed connect
const char
*host,
*ssl_hostname, // if set, do SSL hostname checking
*ip,
*bind_interface;
wget_dns
*dns;
int
sockfd,
// timeouts in milliseconds
// there is no real 'connect timeout', since connects are async
dns_timeout,
connect_timeout,
timeout, // read and write timeouts are the same
family,
preferred_family,
protocol; // WGET_PROTOCOL_HTTP1_1, WGET_PROTOCOL_HTTP2_0
wget_hpkp_stats_result
hpkp; // hpkp stats
uint16_t
remote_port; // needed for not yet connected situations (e.g. DANE)
bool
ssl : 1,
tls_false_start : 1,
tcp_fastopen : 1, // do we use TCP_FASTOPEN or not
first_send : 1; // TCP_FASTOPEN's first packet is sent different
};
#ifdef WITH_LIBNGTCP2
typedef struct {
struct sockaddr addr;
size_t size;
} info_addr;
struct wget_quic_stream_st {
char fin;
int64_t id;
wget_queue *buffer;
size_t sent_offset;
size_t ack_offset;
};
struct wget_quic_st {
void
*ssl_session;
ngtcp2_conn
*conn;
#ifdef WITH_LIBNGHTTP3
nghttp3_conn
*http3_conn;
#endif
int
sockfd,
timerfd,
family,
preferred_family,
protocol,
connect_timeout;
info_addr
local,
remote;
/*
Added this so as to accomodate with existing DNS function.
Planning to go with this. Will replace the info_addr struct as and when the further code is edited.
*/
struct addrinfo
*addrinfo,
/*
Explore options from where this is set.
wget_tcp_set_bind_address func in net.c
have that function generalised for connection type.
*/
*bind_addrinfo;
wget_dns
*dns;
const char
*host,
*ssl_hostname;
bool
is_closed,
is_fin_packet;
uint16_t
remote_port;
wget_quic_stream *streams[MAX_STREAMS]; //Still not figured out.
size_t n_streams; /* Number of Open Streams */
size_t stream_index; /* Current Stream Index */
size_t n_coalescing; /* Number of lines coalesced into single packet */
size_t coalesce_count; /* Number of lines currently coalesced */
};
#endif /* WITH_LIBNGTCP2 */
#endif /* LIBWGET_NET_H */