64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
/*
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* Author Jerry Lundström <jerry@dns-oarc.net>
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* Copyright (c) 2019, OARC, Inc.
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* All rights reserved.
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*
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* This file is part of the dnswire library.
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*
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* dnswire library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* dnswire library 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
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* GNU 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 License
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* along with dnswire library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <dnswire/dnswire.h>
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#include <dnswire/dnstap.h>
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#include <tinyframe/tinyframe.h>
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#ifndef __dnswire_h_decoder
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#define __dnswire_h_decoder 1
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enum dnswire_decoder_state {
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dnswire_decoder_reading_control = 0,
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dnswire_decoder_checking_ready = 1,
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dnswire_decoder_checking_accept = 2,
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dnswire_decoder_reading_start = 3,
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dnswire_decoder_checking_start = 4,
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dnswire_decoder_reading_frames = 5,
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dnswire_decoder_checking_finish = 6,
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dnswire_decoder_done = 7,
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};
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extern const char* const dnswire_decoder_state_string[];
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struct dnswire_decoder {
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enum dnswire_decoder_state state;
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struct tinyframe_reader reader;
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struct dnstap dnstap;
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unsigned ready_support_dnstap_protobuf : 1;
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unsigned accept_support_dnstap_protobuf : 1;
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};
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#define DNSWIRE_DECODER_INITIALIZER \
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{ \
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.state = dnswire_decoder_reading_control, \
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.reader = TINYFRAME_READER_INITIALIZER, \
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.dnstap = DNSTAP_INITIALIZER, \
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}
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#define dnswire_decoder_decoded(d) (d).reader.bytes_read
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#define dnswire_decoder_dnstap(d) (&(d).dnstap)
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#define dnswire_decoder_cleanup(d) dnstap_cleanup(&(d).dnstap)
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enum dnswire_result dnswire_decoder_decode(struct dnswire_decoder*, const uint8_t*, size_t);
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#endif
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