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The `transport` to use for a transfer, e.g. TCP/QUIC/UNIX/UDP, is initially selected by options and protocol used. This is set at the `struct connectdata` as `transport` member. During connection establishment, this transport may change due to Alt-Svc or Happy-Eyeballing. Most common is the switch from TCP to QUIC. Rename the connection member to `transport_wanted` and add a way to query the connection for the transport in use via a new connection filter query. The filter query can also be used in the happy eyeballing attempts when code needs to know which transport is used by the "filter below". This happens in wolfssl initialization, as one example. Closes #17923
60 lines
2 KiB
C
60 lines
2 KiB
C
#ifndef HEADER_CURL_VQUIC_QUIC_H
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#define HEADER_CURL_VQUIC_QUIC_H
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* SPDX-License-Identifier: curl
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*
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***************************************************************************/
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#include "../curl_setup.h"
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#ifdef USE_HTTP3
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struct Curl_cfilter;
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struct Curl_easy;
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struct connectdata;
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struct Curl_addrinfo;
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void Curl_quic_ver(char *p, size_t len);
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int Curl_vquic_init(void);
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CURLcode Curl_qlogdir(struct Curl_easy *data,
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unsigned char *scid,
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size_t scidlen,
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int *qlogfdp);
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CURLcode Curl_cf_quic_create(struct Curl_cfilter **pcf,
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struct Curl_easy *data,
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struct connectdata *conn,
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const struct Curl_addrinfo *ai,
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int transport);
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extern struct Curl_cftype Curl_cft_http3;
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#else
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#define Curl_vquic_init() 1
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#endif /* !USE_HTTP3 */
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CURLcode Curl_conn_may_http3(struct Curl_easy *data,
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const struct connectdata *conn,
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unsigned char transport);
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#endif /* HEADER_CURL_VQUIC_QUIC_H */
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