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#ifndef HEADER_CURL_VQUIC_QUIC_INT_H
#define HEADER_CURL_VQUIC_QUIC_INT_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* SPDX-License-Identifier: curl
*
***************************************************************************/
#include "curl_setup.h"
#include "bufq.h"
#ifdef USE_HTTP3
#define MAX_PKT_BURST 10
#define MAX_UDP_PAYLOAD_SIZE 1452
/* Default QUIC connection timeout we announce from our side */
#define CURL_QUIC_MAX_IDLE_MS (120 * 1000)
struct cf_quic_ctx {
curl_socket_t sockfd; /* connected UDP socket */
struct sockaddr_storage local_addr; /* address socket is bound to */
socklen_t local_addrlen; /* length of local address */
struct bufq sendbuf; /* buffer for sending one or more packets */
struct curltime first_byte_at; /* when first byte was recvd */
struct curltime last_op; /* last (attempted) send/recv operation */
struct curltime last_io; /* last successful socket IO */
size_t gsolen; /* length of individual packets in send buf */
size_t split_len; /* if != 0, buffer length after which GSO differs */
size_t split_gsolen; /* length of individual packets after split_len */
#ifdef DEBUGBUILD
int wblock_percent; /* percent of writes doing EAGAIN */
#endif
BIT(got_first_byte); /* if first byte was received */
BIT(no_gso); /* do not use gso on sending */
};
CURLcode vquic_ctx_init(struct cf_quic_ctx *qctx);
void vquic_ctx_free(struct cf_quic_ctx *qctx);
void vquic_ctx_update_time(struct cf_quic_ctx *qctx);
void vquic_push_blocked_pkt(struct Curl_cfilter *cf,
struct cf_quic_ctx *qctx,
const uint8_t *pkt, size_t pktlen, size_t gsolen);
CURLcode vquic_send_blocked_pkts(struct Curl_cfilter *cf,
struct Curl_easy *data,
struct cf_quic_ctx *qctx);
CURLcode vquic_send(struct Curl_cfilter *cf, struct Curl_easy *data,
struct cf_quic_ctx *qctx, size_t gsolen);
CURLcode vquic_send_tail_split(struct Curl_cfilter *cf, struct Curl_easy *data,
struct cf_quic_ctx *qctx, size_t gsolen,
size_t tail_len, size_t tail_gsolen);
CURLcode vquic_flush(struct Curl_cfilter *cf, struct Curl_easy *data,
struct cf_quic_ctx *qctx);
typedef CURLcode vquic_recv_pkt_cb(const unsigned char *pkt, size_t pktlen,
struct sockaddr_storage *remote_addr,
socklen_t remote_addrlen, int ecn,
void *userp);
CURLcode vquic_recv_packets(struct Curl_cfilter *cf,
struct Curl_easy *data,
struct cf_quic_ctx *qctx,
size_t max_pkts,
vquic_recv_pkt_cb *recv_cb, void *userp);
#endif /* !USE_HTTP3 */
#endif /* HEADER_CURL_VQUIC_QUIC_INT_H */
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