1326943Sdim/* $OpenBSD: dispatch.h,v 1.12 2015/01/19 20:07:45 markus Exp $ */
2326943Sdim
3353358Sdim/*
4353358Sdim * Copyright (c) 2000 Markus Friedl.  All rights reserved.
5353358Sdim *
6326943Sdim * Redistribution and use in source and binary forms, with or without
7326943Sdim * modification, are permitted provided that the following conditions
8326943Sdim * are met:
9326943Sdim * 1. Redistributions of source code must retain the above copyright
10326943Sdim *    notice, this list of conditions and the following disclaimer.
11326943Sdim * 2. Redistributions in binary form must reproduce the above copyright
12326943Sdim *    notice, this list of conditions and the following disclaimer in the
13326943Sdim *    documentation and/or other materials provided with the distribution.
14326943Sdim *
15326943Sdim * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16353358Sdim * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17326943Sdim * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18326943Sdim * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19326943Sdim * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20326943Sdim * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21336817Sdim * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22326943Sdim * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23336817Sdim * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24326943Sdim * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25336817Sdim */
26326943Sdim
27336817Sdim#ifndef DISPATCH_H
28336817Sdim#define DISPATCH_H
29326943Sdim
30326943Sdim#define DISPATCH_MAX	255
31336817Sdim
32336817Sdimenum {
33353358Sdim	DISPATCH_BLOCK,
34326943Sdim	DISPATCH_NONBLOCK
35326943Sdim};
36326943Sdim
37326943Sdimstruct ssh;
38336817Sdim
39336817Sdimtypedef int dispatch_fn(int, u_int32_t, void *);
40336817Sdim
41336817Sdimint	dispatch_protocol_error(int, u_int32_t, void *);
42336817Sdimint	dispatch_protocol_ignore(int, u_int32_t, void *);
43336817Sdimvoid	ssh_dispatch_init(struct ssh *, dispatch_fn *);
44336817Sdimvoid	ssh_dispatch_set(struct ssh *, int, dispatch_fn *);
45336817Sdimvoid	ssh_dispatch_range(struct ssh *, u_int, u_int, dispatch_fn *);
46336817Sdimint	ssh_dispatch_run(struct ssh *, int, volatile sig_atomic_t *, void *);
47336817Sdimvoid	ssh_dispatch_run_fatal(struct ssh *, int, volatile sig_atomic_t *, void *);
48336817Sdim
49336817Sdim#define dispatch_init(dflt) \
50326943Sdim	ssh_dispatch_init(active_state, (dflt))
51326943Sdim#define dispatch_range(from, to, fn) \
52336817Sdim	ssh_dispatch_range(active_state, (from), (to), (fn))
53336817Sdim#define dispatch_set(type, fn) \
54336817Sdim	ssh_dispatch_set(active_state, (type), (fn))
55336817Sdim#define dispatch_run(mode, done, ctxt) \
56336817Sdim	ssh_dispatch_run_fatal(active_state, (mode), (done), (ctxt))
57336817Sdim
58336817Sdim#endif
59336817Sdim