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d3d2e7f1f6
Makes the parser reachable from a test program. No functional change, beyond checking the allocation of the exported version string.
106 lines
3.6 KiB
C
106 lines
3.6 KiB
C
/*
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* HTTP definitions
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* Copyright (c) 2010 Josh Allmann
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVFORMAT_HTTP_H
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#define AVFORMAT_HTTP_H
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#include "libavutil/error.h"
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#include "url.h"
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#define HTTP_HEADERS_SIZE 4096
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/**
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* Parsed form of a response status line.
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*/
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typedef struct HTTPStatusLine {
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char version[4]; /**< protocol version, e.g. "1.1" */
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int code; /**< response status code */
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const char *reason; /**< reason phrase, points into the parsed line */
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int willclose; /**< the version implies the connection will close */
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} HTTPStatusLine;
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/**
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* Parse the status line of an HTTP response.
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*
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* @param logctx context used for logging, may be NULL
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* @param line NUL terminated status line, without its trailing CRLF
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* @param st filled in with the parsed status line
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* @return 0 on success, a negative AVERROR code on failure
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*/
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int ff_http_parse_status_line(void *logctx, const char *line,
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HTTPStatusLine *st);
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/**
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* Initialize the authentication state based on another HTTP URLContext.
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* This can be used to pre-initialize the authentication parameters if
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* they are known beforehand, to avoid having to do an initial failing
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* request just to get the parameters.
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*
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* @param dest URL context whose authentication state gets updated
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* @param src URL context whose authentication state gets copied
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*/
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void ff_http_init_auth_state(URLContext *dest, const URLContext *src);
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/**
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* Send a new HTTP request, reusing the old connection.
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*
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* @param h pointer to the resource
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* @param uri uri used to perform the request
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* @return a negative value if an error condition occurred, 0
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* otherwise
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*/
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int ff_http_do_new_request(URLContext *h, const char *uri);
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/**
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* Send a new HTTP request, reusing the old connection.
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*
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* @param h pointer to the resource
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* @param uri uri used to perform the request
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* @param options A dictionary filled with HTTP options. On return
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* this parameter will be destroyed and replaced with a dict containing options
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* that were not found. May be NULL.
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* @return a negative value if an error condition occurred, 0
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* otherwise
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*/
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int ff_http_do_new_request2(URLContext *h, const char *uri, AVDictionary **options);
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const char* ff_http_get_new_location(URLContext *h);
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static inline int ff_http_averror(int status_code, int default_averror)
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{
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switch (status_code) {
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case 400: return AVERROR_HTTP_BAD_REQUEST;
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case 401: return AVERROR_HTTP_UNAUTHORIZED;
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case 403: return AVERROR_HTTP_FORBIDDEN;
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case 404: return AVERROR_HTTP_NOT_FOUND;
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case 429: return AVERROR_HTTP_TOO_MANY_REQUESTS;
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default: break;
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}
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if (status_code >= 400 && status_code <= 499)
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return AVERROR_HTTP_OTHER_4XX;
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else if (status_code >= 500)
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return AVERROR_HTTP_SERVER_ERROR;
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else
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return default_averror;
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}
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#endif /* AVFORMAT_HTTP_H */
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