curl/lib/vquic/ngtcp2.h

#ifndef HEADER_CURL_VQUIC_NGTCP2_H
#define HEADER_CURL_VQUIC_NGTCP2_H
/***************************************************************************
 *                                  _   _ ____  _
 *  Project                     ___| | | |  _ \| |
 *                             / __| | | | |_) | |
 *                            | (__| |_| |  _ <| |___
 *                             \___|\___/|_| \_\_____|
 *
 * Copyright (C) 1998 - 2022, 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"

#ifdef USE_NGTCP2

#ifdef HAVE_NETINET_UDP_H
#include <netinet/udp.h>
#endif

#include <ngtcp2/ngtcp2_crypto.h>
#include <nghttp3/nghttp3.h>
#ifdef USE_OPENSSL
#include <openssl/ssl.h>
#elif defined(USE_GNUTLS)
#include <gnutls/gnutls.h>
#endif

struct blocked_pkt {
  const uint8_t *pkt;
  size_t pktlen;
  size_t gsolen;
};

struct quicsocket {
  struct connectdata *conn; /* point back to the connection */
  ngtcp2_conn *qconn;
  ngtcp2_cid dcid;
  ngtcp2_cid scid;
  uint32_t version;
  ngtcp2_settings settings;
  ngtcp2_transport_params transport_params;
  ngtcp2_connection_close_error last_error;
  ngtcp2_crypto_conn_ref conn_ref;
#ifdef USE_OPENSSL
  SSL_CTX *sslctx;
  SSL *ssl;
#elif defined(USE_GNUTLS)
  gnutls_certificate_credentials_t cred;
  gnutls_session_t ssl;
#endif
  struct sockaddr_storage local_addr;
  socklen_t local_addrlen;
  bool no_gso;
  uint8_t *pktbuf;
  size_t pktbuflen;
  /* the number of entries in blocked_pkt */
  size_t num_blocked_pkt;
  /* the number of processed entries in blocked_pkt */
  size_t num_blocked_pkt_sent;
  /* the packets blocked by sendmsg (EAGAIN or EWOULDBLOCK) */
  struct blocked_pkt blocked_pkt[2];

  nghttp3_conn *h3conn;
  nghttp3_settings h3settings;
  int qlogfd;
};

#include "urldata.h"

#endif

#endif /* HEADER_CURL_VQUIC_NGTCP2_H */