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/* $OpenBSD: dispatch.h,v 1.12 2015/01/19 20:07:45 markus Exp $ */
/*
* Copyright (c) 2000 Markus Friedl. All rights reserved.
*
* 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.
*
* 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 DISPATCH_H
#define DISPATCH_H
#include <signal.h> /* for sig_atomic_t */
#define DISPATCH_MAX 255
enum {
DISPATCH_BLOCK,
DISPATCH_NONBLOCK
};
struct ssh;
typedef int dispatch_fn(int, u_int32_t, void *);
int dispatch_protocol_error(int, u_int32_t, void *);
int dispatch_protocol_ignore(int, u_int32_t, void *);
void ssh_dispatch_init(struct ssh *, dispatch_fn *);
void ssh_dispatch_set(struct ssh *, int, dispatch_fn *);
void ssh_dispatch_range(struct ssh *, u_int, u_int, dispatch_fn *);
int ssh_dispatch_run(struct ssh *, int, volatile sig_atomic_t *, void *);
void ssh_dispatch_run_fatal(struct ssh *, int, volatile sig_atomic_t *, void *);
#define dispatch_init(dflt) \
ssh_dispatch_init(active_state, (dflt))
#define dispatch_range(from, to, fn) \
ssh_dispatch_range(active_state, (from), (to), (fn))
#define dispatch_set(type, fn) \
ssh_dispatch_set(active_state, (type), (fn))
#define dispatch_run(mode, done, ctxt) \
ssh_dispatch_run_fatal(active_state, (mode), (done), (ctxt))
#endif
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