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62 lines
2.2 KiB
C
62 lines
2.2 KiB
C
/*
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* Copyright (c) 2008 Niels Provos <provos@citi.umich.edu>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _BUFFEREVENT_INTERNAL_H_
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#define _BUFFEREVENT_INTERNAL_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "config.h"
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#include "evutil.h"
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struct bufferevent_filter {
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/** allows chaining of filters */
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TAILQ_ENTRY(bufferevent_filter) (next);
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/** used for intermediary state either on the input or output path */
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struct evbuffer *buffer;
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/** initializes the context provided to process */
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void (*init_context)(void *);
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/** frees any context related to ctx */
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void (*free_context)(void *);
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enum bufferevent_filter_result (*process)(
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struct evbuffer *src, struct evbuffer *dst,
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enum bufferevent_filter_state flags, void *ctx);
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void *ctx;
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};
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#ifdef __cplusplus
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}
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#endif
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#endif /* _BUFFEREVENT_INTERNAL_H_ */
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