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/* nhrp_common.h - Generic helper functions
*
* Copyright (c) 2007-2012 Timo Teräs <timo.teras@iki.fi>
*
* This software is licensed under the MIT License.
* See MIT-LICENSE.txt for additional details.
*/
#ifndef NHRP_COMMON_H
#define NHRP_COMMON_H
#include <stdint.h>
#include <stdlib.h>
#include <sys/time.h>
#include <linux/if_ether.h>
struct nhrp_interface;
struct nhrp_address;
extern const char *nhrp_config_file, *nhrp_script_file;
extern int nhrp_running, nhrp_verbose;
/* Logging */
void nhrp_log(int level, const char *format, ...);
#define NHRP_LOG_DEBUG 0
#define NHRP_LOG_INFO 1
#define NHRP_LOG_ERROR 2
#define nhrp_debug(...) \
do { \
if (nhrp_verbose) \
nhrp_log(NHRP_LOG_DEBUG, __VA_ARGS__); \
} while(0)
#define nhrp_info(...) \
nhrp_log(NHRP_LOG_INFO, __VA_ARGS__)
#define nhrp_error(...) \
nhrp_log(NHRP_LOG_ERROR, __VA_ARGS__)
void nhrp_perror(const char *message);
void nhrp_hex_dump(const char *name, const uint8_t *buf, int bytes);
#define NHRP_BUG_ON(cond) if (cond) { \
nhrp_error("BUG: failure at %s:%d/%s(): %s!", \
__FILE__, __LINE__, __func__, #cond); \
abort(); \
}
/* Initializers for system dependant stuff */
int forward_init(void);
void forward_cleanup(void);
int forward_local_addresses_changed(void);
int kernel_init(void);
void kernel_stop_listening(void);
void kernel_cleanup(void);
int kernel_route(struct nhrp_interface *out_iface,
struct nhrp_address *dest,
struct nhrp_address *default_source,
struct nhrp_address *next_hop,
u_int16_t *mtu);
int kernel_send(uint8_t *packet, size_t bytes, struct nhrp_interface *out,
struct nhrp_address *to);
int kernel_inject_neighbor(struct nhrp_address *neighbor,
struct nhrp_address *hwaddr,
struct nhrp_interface *dev);
int log_init(void);
int admin_init(const char *socket);
void server_init(void);
#endif
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