1295367Sdes/* $OpenBSD: dispatch.h,v 1.12 2015/01/19 20:07:45 markus Exp $ */
276259Sgreen
365668Skris/*
465668Skris * Copyright (c) 2000 Markus Friedl.  All rights reserved.
565668Skris *
665668Skris * Redistribution and use in source and binary forms, with or without
765668Skris * modification, are permitted provided that the following conditions
865668Skris * are met:
965668Skris * 1. Redistributions of source code must retain the above copyright
1065668Skris *    notice, this list of conditions and the following disclaimer.
1165668Skris * 2. Redistributions in binary form must reproduce the above copyright
1265668Skris *    notice, this list of conditions and the following disclaimer in the
1365668Skris *    documentation and/or other materials provided with the distribution.
1465668Skris *
1565668Skris * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
1665668Skris * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
1765668Skris * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
1865668Skris * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
1965668Skris * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
2065668Skris * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
2165668Skris * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
2265668Skris * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
2365668Skris * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
2465668Skris * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
2565668Skris */
26162852Sdes
27295367Sdes#ifndef DISPATCH_H
28295367Sdes#define DISPATCH_H
29162852Sdes
30295367Sdes#define DISPATCH_MAX	255
31295367Sdes
3260573Skrisenum {
3360573Skris	DISPATCH_BLOCK,
3460573Skris	DISPATCH_NONBLOCK
3560573Skris};
3660573Skris
37295367Sdesstruct ssh;
3860573Skris
39295367Sdestypedef int dispatch_fn(int, u_int32_t, void *);
40295367Sdes
41295367Sdesint	dispatch_protocol_error(int, u_int32_t, void *);
42295367Sdesint	dispatch_protocol_ignore(int, u_int32_t, void *);
43295367Sdesvoid	ssh_dispatch_init(struct ssh *, dispatch_fn *);
44295367Sdesvoid	ssh_dispatch_set(struct ssh *, int, dispatch_fn *);
45295367Sdesvoid	ssh_dispatch_range(struct ssh *, u_int, u_int, dispatch_fn *);
46295367Sdesint	ssh_dispatch_run(struct ssh *, int, volatile sig_atomic_t *, void *);
47295367Sdesvoid	ssh_dispatch_run_fatal(struct ssh *, int, volatile sig_atomic_t *, void *);
48295367Sdes
49295367Sdes#define dispatch_init(dflt) \
50295367Sdes	ssh_dispatch_init(active_state, (dflt))
51295367Sdes#define dispatch_range(from, to, fn) \
52295367Sdes	ssh_dispatch_range(active_state, (from), (to), (fn))
53295367Sdes#define dispatch_set(type, fn) \
54295367Sdes	ssh_dispatch_set(active_state, (type), (fn))
55295367Sdes#define dispatch_run(mode, done, ctxt) \
56295367Sdes	ssh_dispatch_run_fatal(active_state, (mode), (done), (ctxt))
57295367Sdes
58295367Sdes#endif
59