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2c7555cf2a
Add support for UDP logging, using RFC 3164 syslog protocol. Based on the patch from Alexander Zubkov <green@qrator.net>, thanks!
147 lines
4.1 KiB
C
147 lines
4.1 KiB
C
/*
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* BIRD -- Declarations Common to Unix Port
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*
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* (c) 1998--2000 Martin Mares <mj@ucw.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#ifndef _BIRD_UNIX_H_
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#define _BIRD_UNIX_H_
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#include <sys/socket.h>
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#include <signal.h>
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struct pool;
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struct iface;
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struct birdsock;
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struct rfile;
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/* main.c */
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extern char *bird_name;
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extern int parse_and_exit;
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void async_config(void);
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void async_dump(void);
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void async_shutdown(void);
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char *get_hostname(linpool *lp);
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void cmd_check_config(const char *name);
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void cmd_reconfig(const char *name, int type, uint timeout);
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void cmd_reconfig_confirm(void);
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void cmd_reconfig_undo(void);
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void cmd_reconfig_status(void);
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void cmd_shutdown(void);
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void cmd_graceful_restart(void);
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#define UNIX_DEFAULT_CONFIGURE_TIMEOUT 300
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#define UNIX_DEFAULT_LATENCY_LIMIT (1 S_)
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#define UNIX_DEFAULT_WATCHDOG_WARNING (5 S_)
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/* io.c */
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#define ERR(c) do { s->err = c; return -1; } while (0)
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#define ERR2(c) do { s->err = c; goto err; } while (0)
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#define ERR_MSG(c) do { errno = 0; s->err = c; return -1; } while (0)
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#define SOCKADDR_SIZE 32
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typedef struct sockaddr_bird {
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struct sockaddr sa;
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char padding[SOCKADDR_SIZE - sizeof(struct sockaddr)];
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} sockaddr;
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/* This is sloppy hack, it should be detected by configure script */
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/* Linux systems have it defined so this is definition for BSD systems */
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#ifndef s6_addr32
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#define s6_addr32 __u6_addr.__u6_addr32
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#endif
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static inline ip_addr ipa_from_in4(struct in_addr a)
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{ return ipa_from_u32(ntohl(a.s_addr)); }
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static inline ip_addr ipa_from_in6(struct in6_addr a)
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{ return ipa_build6(ntohl(a.s6_addr32[0]), ntohl(a.s6_addr32[1]), ntohl(a.s6_addr32[2]), ntohl(a.s6_addr32[3])); }
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static inline ip_addr ipa_from_sa4(sockaddr *sa)
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{ return ipa_from_in4(((struct sockaddr_in *) sa)->sin_addr); }
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static inline ip_addr ipa_from_sa6(sockaddr *sa)
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{ return ipa_from_in6(((struct sockaddr_in6 *) sa)->sin6_addr); }
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static inline ip_addr ipa_from_sa(sockaddr *sa)
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{
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switch (sa->sa.sa_family)
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{
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case AF_INET: return ipa_from_sa4(sa);
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case AF_INET6: return ipa_from_sa6(sa);
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default: return IPA_NONE;
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}
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}
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static inline struct in_addr ipa_to_in4(ip_addr a)
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{ return (struct in_addr) { htonl(ipa_to_u32(a)) }; }
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static inline struct in_addr ip4_to_in4(ip4_addr a)
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{ return (struct in_addr) { htonl(ip4_to_u32(a)) }; }
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static inline struct in6_addr ipa_to_in6(ip_addr a)
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{ return (struct in6_addr) { .s6_addr32 = { htonl(_I0(a)), htonl(_I1(a)), htonl(_I2(a)), htonl(_I3(a)) } }; }
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void sockaddr_fill(sockaddr *sa, int af, ip_addr a, struct iface *ifa, uint port);
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int sockaddr_read(sockaddr *sa, int af, ip_addr *a, struct iface **ifa, uint *port);
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#ifndef SUN_LEN
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#define SUN_LEN(ptr) ((size_t) (((struct sockaddr_un *) 0)->sun_path) + strlen ((ptr)->sun_path))
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#endif
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extern volatile sig_atomic_t async_config_flag;
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extern volatile sig_atomic_t async_dump_flag;
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extern volatile sig_atomic_t async_shutdown_flag;
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void io_init(void);
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void io_loop(void);
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void io_log_dump(void);
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int sk_open_unix(struct birdsock *s, char *name);
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struct rfile *rf_open(struct pool *, const char *name, const char *mode);
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struct rfile *rf_fdopen(pool *p, int fd, const char *mode);
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void *rf_file(struct rfile *f);
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int rf_fileno(struct rfile *f);
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void test_old_bird(char *path);
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ip_addr resolve_hostname(const char *host, int type, const char **err_msg);
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/* krt.c bits */
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void krt_io_init(void);
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/* log.c */
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void main_thread_init(void);
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void log_init_debug(char *); /* Initialize debug dump to given file (NULL=stderr, ""=off) */
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void log_switch(int initial, list *l, const char *);
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struct log_config {
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node n;
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uint mask; /* Classes to log */
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void *fh; /* FILE to log to, NULL=syslog */
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struct rfile *rf; /* Resource for log file */
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const char *filename; /* Log filename */
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const char *backup; /* Secondary filename (for log rotation) */
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off_t pos; /* Position/size of current log */
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off_t limit; /* Log size limit */
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int terminal_flag;
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int udp_flag;
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const char *host; /* UDP log dst host name */
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ip_addr ip; /* UDP log dst IP address */
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uint port; /* UDP log dst port */
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};
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int log_open_udp(struct log_config *l, pool *p);
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#endif
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