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+/*
+Copyright (c) 2007, 2008 by Juliusz Chroboczek
+Copyright 2011 by Matthieu Boutier and Juliusz Chroboczek
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#ifndef BABEL_BABELD_H
+#define BABEL_BABELD_H
+
+#include <zebra.h>
+#include "vty.h"
+
+#define INFINITY ((unsigned short)(~0))
+
+#ifndef RTPROT_BABEL
+#define RTPROT_BABEL 42
+#endif
+
+#define RTPROT_BABEL_LOCAL -2
+
+#undef MAX
+#undef MIN
+
+#define MAX(x,y) ((x)<=(y)?(y):(x))
+#define MIN(x,y) ((x)<=(y)?(x):(y))
+
+#if defined(__GNUC__) && (__GNUC__ >= 3)
+#define ATTRIBUTE(x) __attribute__ (x)
+#define LIKELY(_x) __builtin_expect(!!(_x), 1)
+#define UNLIKELY(_x) __builtin_expect(!!(_x), 0)
+#else
+#define ATTRIBUTE(x) /**/
+#define LIKELY(_x) !!(_x)
+#define UNLIKELY(_x) !!(_x)
+#endif
+
+#if defined(__GNUC__) && (__GNUC__ >= 4) && (__GNUC_MINOR__ >= 3)
+#define COLD __attribute__ ((cold))
+#else
+#define COLD /**/
+#endif
+
+#ifndef IF_NAMESIZE
+#include <sys/socket.h>
+#include <net/if.h>
+#endif
+
+#ifdef HAVE_VALGRIND
+#include <valgrind/memcheck.h>
+#else
+#ifndef VALGRIND_MAKE_MEM_UNDEFINED
+#define VALGRIND_MAKE_MEM_UNDEFINED(a, b) do {} while(0)
+#endif
+#ifndef VALGRIND_CHECK_MEM_IS_DEFINED
+#define VALGRIND_CHECK_MEM_IS_DEFINED(a, b) do {} while(0)
+#endif
+#endif
+
+
+#define BABEL_VTY_PORT 2609
+#define BABEL_DEFAULT_CONFIG "babeld.conf"
+
+/* Values in milliseconds */
+#define BABEL_DEFAULT_HELLO_INTERVAL 4000
+#define BABEL_DEFAULT_UPDATE_INTERVAL 16000
+#define BABEL_DEFAULT_RESEND_DELAY 2000
+#define BABEL_DEFAULT_RTT_DECAY 42
+
+/* Values in microseconds */
+#define BABEL_DEFAULT_RTT_MIN 10000
+#define BABEL_DEFAULT_RTT_MAX 120000
+
+/* In units of seconds */
+#define BABEL_DEFAULT_SMOOTHING_HALF_LIFE 4
+
+/* In units of 1/256. */
+#define BABEL_DEFAULT_DIVERSITY_FACTOR 256
+
+#define BABEL_DEFAULT_RXCOST_WIRED 96
+#define BABEL_DEFAULT_RXCOST_WIRELESS 256
+#define BABEL_DEFAULT_MAX_RTT_PENALTY 150
+
+/* Babel structure. */
+struct babel
+{
+ /* Babel threads. */
+ struct thread *t_read; /* on Babel protocol's socket */
+ struct thread *t_update; /* timers */
+ /* distribute_ctx */
+ struct distribute_ctx *distribute_ctx;
+};
+
+extern struct zebra_privs_t babeld_privs;
+
+extern void babeld_quagga_init(void);
+extern int input_filter(const unsigned char *id,
+ const unsigned char *prefix, unsigned short plen,
+ const unsigned char *neigh, unsigned int ifindex);
+extern int output_filter(const unsigned char *id, const unsigned char *prefix,
+ unsigned short plen, unsigned int ifindex);
+extern int redistribute_filter(const unsigned char *prefix, unsigned short plen,
+ unsigned int ifindex, int proto);
+extern int resize_receive_buffer(int size);
+extern void schedule_neighbours_check(int msecs, int override);
+extern struct babel *babel_lookup(void);
+
+#endif /* BABEL_BABELD_H */