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/*
* BIRD -- Declarations Common to Unix Port
*
* (c) 1998--2000 Martin Mares <mj@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#ifndef _BIRD_UNIX_H_
#define _BIRD_UNIX_H_
#include <sys/socket.h>
#include <signal.h>
struct pool;
struct iface;
struct birdsock;
struct rfile;
/* main.c */
extern char *bird_name;
extern int parse_and_exit;
void async_config(void);
void async_dump(void);
void async_shutdown(void);
char *get_hostname(linpool *lp);
void cmd_check_config(const char *name);
void cmd_reconfig(const char *name, int type, uint timeout);
void cmd_reconfig_confirm(void);
void cmd_reconfig_undo(void);
void cmd_reconfig_status(void);
void cmd_shutdown(void);
void cmd_graceful_restart(void);
#define UNIX_DEFAULT_CONFIGURE_TIMEOUT 300
#define UNIX_DEFAULT_LATENCY_LIMIT (1 S_)
#define UNIX_DEFAULT_WATCHDOG_WARNING (5 S_)
/* io.c */
#define ERR(c) do { s->err = c; return -1; } while (0)
#define ERR2(c) do { s->err = c; goto err; } while (0)
#define ERR_MSG(c) do { errno = 0; s->err = c; return -1; } while (0)
#define SOCKADDR_SIZE 32
typedef struct sockaddr_bird {
struct sockaddr sa;
char padding[SOCKADDR_SIZE - sizeof(struct sockaddr)];
} sockaddr;
/* This is sloppy hack, it should be detected by configure script */
/* Linux systems have it defined so this is definition for BSD systems */
#ifndef s6_addr32
#define s6_addr32 __u6_addr.__u6_addr32
#endif
static inline ip_addr ipa_from_in4(struct in_addr a)
{ return ipa_from_u32(ntohl(a.s_addr)); }
static inline ip_addr ipa_from_in6(struct in6_addr a)
{ return ipa_build6(ntohl(a.s6_addr32[0]), ntohl(a.s6_addr32[1]), ntohl(a.s6_addr32[2]), ntohl(a.s6_addr32[3])); }
static inline ip_addr ipa_from_sa4(sockaddr *sa)
{ return ipa_from_in4(((struct sockaddr_in *) sa)->sin_addr); }
static inline ip_addr ipa_from_sa6(sockaddr *sa)
{ return ipa_from_in6(((struct sockaddr_in6 *) sa)->sin6_addr); }
static inline ip_addr ipa_from_sa(sockaddr *sa)
{
switch (sa->sa.sa_family)
{
case AF_INET: return ipa_from_sa4(sa);
case AF_INET6: return ipa_from_sa6(sa);
default: return IPA_NONE;
}
}
static inline struct in_addr ipa_to_in4(ip_addr a)
{ return (struct in_addr) { htonl(ipa_to_u32(a)) }; }
static inline struct in_addr ip4_to_in4(ip4_addr a)
{ return (struct in_addr) { htonl(ip4_to_u32(a)) }; }
static inline struct in6_addr ipa_to_in6(ip_addr a)
{ return (struct in6_addr) { .s6_addr32 = { htonl(_I0(a)), htonl(_I1(a)), htonl(_I2(a)), htonl(_I3(a)) } }; }
void sockaddr_fill(sockaddr *sa, int af, ip_addr a, struct iface *ifa, uint port);
int sockaddr_read(sockaddr *sa, int af, ip_addr *a, struct iface **ifa, uint *port);
#ifndef SUN_LEN
#define SUN_LEN(ptr) ((size_t) (((struct sockaddr_un *) 0)->sun_path) + strlen ((ptr)->sun_path))
#endif
extern volatile sig_atomic_t async_config_flag;
extern volatile sig_atomic_t async_dump_flag;
extern volatile sig_atomic_t async_shutdown_flag;
void io_init(void);
void io_loop(void);
void io_log_dump(void);
int sk_open_unix(struct birdsock *s, const char *name);
struct rfile *rf_open(struct pool *, const char *name, const char *mode);
struct rfile *rf_fdopen(pool *p, int fd, const char *mode);
void *rf_file(struct rfile *f);
int rf_fileno(struct rfile *f);
void test_old_bird(char *path);
ip_addr resolve_hostname(const char *host, int type, const char **err_msg);
/* krt.c bits */
void krt_io_init(void);
/* log.c */
void main_thread_init(void);
void log_init_debug(char *); /* Initialize debug dump to given file (NULL=stderr, ""=off) */
void log_switch(int initial, list *l, const char *);
struct log_config {
node n;
uint mask; /* Classes to log */
void *fh; /* FILE to log to, NULL=syslog */
struct rfile *rf; /* Resource for log file */
const char *filename; /* Log filename */
const char *backup; /* Secondary filename (for log rotation) */
off_t pos; /* Position/size of current log */
off_t limit; /* Log size limit */
int terminal_flag;
int udp_flag;
const char *host; /* UDP log dst host name */
ip_addr ip; /* UDP log dst IP address */
uint port; /* UDP log dst port */
};
int log_open_udp(struct log_config *l, pool *p);
#endif
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