From fadeddfbb2aa38a980dd959b5ec1ffba7afd43cb Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 15 Apr 2024 20:02:34 +0200 Subject: Adding upstream version 1.0.18. Signed-off-by: Daniel Baumann --- libevent/include/event2/bufferevent_struct.h | 116 +++++++++++++++++++++++++++ 1 file changed, 116 insertions(+) create mode 100644 libevent/include/event2/bufferevent_struct.h (limited to 'libevent/include/event2/bufferevent_struct.h') diff --git a/libevent/include/event2/bufferevent_struct.h b/libevent/include/event2/bufferevent_struct.h new file mode 100644 index 0000000..e84c082 --- /dev/null +++ b/libevent/include/event2/bufferevent_struct.h @@ -0,0 +1,116 @@ +/* + * Copyright (c) 2000-2007 Niels Provos + * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#ifndef EVENT2_BUFFEREVENT_STRUCT_H_INCLUDED_ +#define EVENT2_BUFFEREVENT_STRUCT_H_INCLUDED_ + +/** @file event2/bufferevent_struct.h + + Data structures for bufferevents. Using these structures may hurt forward + compatibility with later versions of Libevent: be careful! + + @deprecated Use of bufferevent_struct.h is completely deprecated; these + structures are only exposed for backward compatibility with programs + written before Libevent 2.0 that used them. + */ + +#ifdef __cplusplus +extern "C" { +#endif + +#include +#ifdef EVENT__HAVE_SYS_TYPES_H +#include +#endif +#ifdef EVENT__HAVE_SYS_TIME_H +#include +#endif + +/* For int types. */ +#include +/* For struct event */ +#include + +struct event_watermark { + size_t low; + size_t high; +}; + +/** + Shared implementation of a bufferevent. + + This type is exposed only because it was exposed in previous versions, + and some people's code may rely on manipulating it. Otherwise, you + should really not rely on the layout, size, or contents of this structure: + it is fairly volatile, and WILL change in future versions of the code. +**/ +struct bufferevent { + /** Event base for which this bufferevent was created. */ + struct event_base *ev_base; + /** Pointer to a table of function pointers to set up how this + bufferevent behaves. */ + const struct bufferevent_ops *be_ops; + + /** A read event that triggers when a timeout has happened or a socket + is ready to read data. Only used by some subtypes of + bufferevent. */ + struct event ev_read; + /** A write event that triggers when a timeout has happened or a socket + is ready to write data. Only used by some subtypes of + bufferevent. */ + struct event ev_write; + + /** An input buffer. Only the bufferevent is allowed to add data to + this buffer, though the user is allowed to drain it. */ + struct evbuffer *input; + + /** An input buffer. Only the bufferevent is allowed to drain data + from this buffer, though the user is allowed to add it. */ + struct evbuffer *output; + + struct event_watermark wm_read; + struct event_watermark wm_write; + + bufferevent_data_cb readcb; + bufferevent_data_cb writecb; + /* This should be called 'eventcb', but renaming it would break + * backward compatibility */ + bufferevent_event_cb errorcb; + void *cbarg; + + struct timeval timeout_read; + struct timeval timeout_write; + + /** Events that are currently enabled: currently EV_READ and EV_WRITE + are supported. */ + short enabled; +}; + +#ifdef __cplusplus +} +#endif + +#endif /* EVENT2_BUFFEREVENT_STRUCT_H_INCLUDED_ */ -- cgit v1.2.3