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80a3b830cc
Move all handling of HTTP's `Expect: 100-continue` feature into a client reader. Add sending flag `KEEP_SEND_TIMED` that triggers transfer sending on general events like a timer. HTTP installs a `CURL_CR_PROTOCOL` reader when announcing `Expect: 100-continue`. That reader works as follows: - on first invocation, records time, starts the `EXPIRE_100_TIMEOUT` timer, disables `KEEP_SEND`, enables `KEEP_SEND_TIMER` and returns 0, eos=FALSE like a paused upload. - on subsequent invocation it checks if the timer has expired. If so, it enables `KEEP_SEND` and switches to passing through reads to the underlying readers. Transfer handling's `readwrite()` will be invoked when a timer expires (like `EXPIRE_100_TIMEOUT`) or when data from the server arrives. Seeing `KEEP_SEND_TIMER`, it will try to upload more data, which triggers reading from the client readers again. Which then may lead to a new pausing or cause the upload to start. Flags and timestamps connected to this have been moved from `SingleRequest` into the reader's context. Closes #13110
64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
#ifndef HEADER_CURL_HYPER_H
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#define HEADER_CURL_HYPER_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.haxx.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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#if !defined(CURL_DISABLE_HTTP) && defined(USE_HYPER)
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#include <hyper.h>
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struct hyp_io_ctx {
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struct Curl_easy *data;
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int sockindex;
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};
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/* per-transfer data for the Hyper backend */
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struct hyptransfer {
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hyper_waker *write_waker;
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hyper_waker *read_waker;
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const hyper_executor *exec;
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hyper_waker *send_body_waker;
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struct hyp_io_ctx io_ctx;
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};
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size_t Curl_hyper_recv(void *userp, hyper_context *ctx,
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uint8_t *buf, size_t buflen);
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size_t Curl_hyper_send(void *userp, hyper_context *ctx,
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const uint8_t *buf, size_t buflen);
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CURLcode Curl_hyper_stream(struct Curl_easy *data,
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struct connectdata *conn,
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int *didwhat,
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int select_res);
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CURLcode Curl_hyper_header(struct Curl_easy *data, hyper_headers *headers,
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const char *line);
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void Curl_hyper_done(struct Curl_easy *);
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#else
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#define Curl_hyper_done(x)
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#endif /* !defined(CURL_DISABLE_HTTP) && defined(USE_HYPER) */
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#endif /* HEADER_CURL_HYPER_H */
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