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/*
* nghttp2 - HTTP/2 C Library
*
* Copyright (c) 2015 Tatsuhiro Tsujikawa
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef NGHTTP2_HTTP_H
#define NGHTTP2_HTTP_H
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif /* defined(HAVE_CONFIG_H) */
#include <nghttp2/nghttp2.h>
#include "nghttp2_session.h"
#include "nghttp2_stream.h"
/*
* This function is called when HTTP header field |nv| in |frame| is
* received for |stream|. This function will validate |nv| against
* the current state of stream.
*
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* NGHTTP2_ERR_HTTP_HEADER
* Invalid HTTP header field was received.
* NGHTTP2_ERR_IGN_HTTP_HEADER
* Invalid HTTP header field was received but it can be treated as
* if it was not received because of compatibility reasons.
*/
int nghttp2_http_on_header(nghttp2_session *session, nghttp2_stream *stream,
nghttp2_frame *frame, nghttp2_hd_nv *nv,
int trailer);
/*
* This function is called when request header is received. This
* function performs validation and returns 0 if it succeeds, or -1.
*/
int nghttp2_http_on_request_headers(nghttp2_stream *stream,
nghttp2_frame *frame);
/*
* This function is called when response header is received. This
* function performs validation and returns 0 if it succeeds, or -1.
*/
int nghttp2_http_on_response_headers(nghttp2_stream *stream);
/*
* This function is called trailer header (for both request and
* response) is received. This function performs validation and
* returns 0 if it succeeds, or -1.
*/
int nghttp2_http_on_trailer_headers(nghttp2_stream *stream,
nghttp2_frame *frame);
/*
* This function is called when END_STREAM flag is seen in incoming
* frame. This function performs validation and returns 0 if it
* succeeds, or -1.
*/
int nghttp2_http_on_remote_end_stream(nghttp2_stream *stream);
/*
* This function is called when chunk of data is received. This
* function performs validation and returns 0 if it succeeds, or -1.
*/
int nghttp2_http_on_data_chunk(nghttp2_stream *stream, size_t n);
/*
* This function inspects header field in |frame| and records its
* method in stream->http_flags. If frame->hd.type is neither
* NGHTTP2_HEADERS nor NGHTTP2_PUSH_PROMISE, this function does
* nothing.
*/
void nghttp2_http_record_request_method(nghttp2_stream *stream,
nghttp2_frame *frame);
int nghttp2_http_parse_priority(nghttp2_extpri *dest, const uint8_t *value,
size_t valuelen);
#endif /* !defined(NGHTTP2_HTTP_H) */
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