bird/nest/protocol.h

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/*
* BIRD Internet Routing Daemon -- Protocols
*
* (c) 1998 Martin Mares <mj@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#ifndef _BIRD_PROTOCOL_H_
#define _BIRD_PROTOCOL_H_
#include "lib/lists.h"
#include "lib/resource.h"
struct iface;
struct rte;
struct neighbor;
struct rtattr;
struct network;
/*
* Routing Protocol
*/
struct protocol {
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node n;
char *name;
unsigned debug; /* Default debugging flags */
void (*init)(struct protocol *); /* Boot time */
void (*preconfig)(struct protocol *); /* Just before configuring */
void (*postconfig)(struct protocol *); /* After configuring */
};
void protos_build(void);
void protos_init(void);
void protos_preconfig(void);
void protos_postconfig(void);
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void protos_start(void);
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void protos_dump_all(void);
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extern list protocol_list;
/*
* Known protocols
*/
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extern struct protocol proto_device;
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extern struct protocol proto_rip;
extern struct protocol proto_static;
/*
* Routing Protocol Instance
*/
struct proto {
node n;
struct protocol *proto; /* Protocol */
char *name; /* Name of this instance */
unsigned debug; /* Debugging flags */
pool *pool; /* Local objects */
unsigned preference; /* Default route preference */
unsigned state; /* PRS_... */
unsigned disabled; /* Manually disabled */
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void (*if_notify)(struct proto *, unsigned flags, struct iface *new, struct iface *old);
void (*rt_notify)(struct proto *, struct network *net, struct rte *new, struct rte *old);
void (*neigh_notify)(struct neighbor *neigh);
void (*dump)(struct proto *); /* Debugging dump */
void (*start)(struct proto *); /* Start the instance */
void (*shutdown)(struct proto *, int time); /* Stop the instance */
int (*rta_same)(struct rtattr *, struct rtattr *);
int (*rte_better)(struct rte *, struct rte *);
void (*rte_insert)(struct network *, struct rte *);
void (*rte_remove)(struct network *, struct rte *);
/* Reconfigure function? */
/* Input/output filters */
/* Connection to routing tables? */
/* Hic sunt protocol-specific data */
};
#define PRS_DOWN 0 /* Inactive */
#define PRS_STARTING 1
#define PRS_UP 2
void *proto_new(struct protocol *, unsigned size);
extern list proto_list, inactive_proto_list;
/*
* Known unique protocol instances as referenced by config routines
*/
extern struct proto *cf_dev_proto;
#endif