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1be4f3d8af
For now it only supports literals and a bit of static header table references for the 9 most common header field names (date, server, content-type, content-length, last-modified, accept-ranges, etag, cache-control, location). A previous incarnation of this commit used to strip the forbidden H2 header names (connection, proxy-connection, upgrade, transfer-encoding, keep-alive) but this is no longer the case as this filtering is irrelevant to HPACK encoding and is specific to H2, so this will have to be done by the caller. It's quite not optimal but works fine enough to prepare some valid and partially compressed responses during development.
39 lines
1.5 KiB
C
39 lines
1.5 KiB
C
/*
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* HPACK compressor (RFC7541)
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*
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* Copyright (C) 2014-2017 Willy Tarreau <willy@haproxy.org>
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* Copyright (C) 2017 HAProxy Technologies
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef _COMMON_HPACK_ENC_H
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#define _COMMON_HPACK_ENC_H
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#include <stdint.h>
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#include <common/chunk.h>
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#include <common/config.h>
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#include <common/ist.h>
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int hpack_encode_header(struct chunk *out, const struct ist n, const struct ist v);
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#endif /* _COMMON_HPACK_ENC_H */
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