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bird 1.6.3

    1: /*
    2:  *	BIRD -- Declarations Common to Unix Port
    3:  *
    4:  *	(c) 1998--2000 Martin Mares <mj@ucw.cz>
    5:  *
    6:  *	Can be freely distributed and used under the terms of the GNU GPL.
    7:  */
    8: 
    9: #ifndef _BIRD_UNIX_H_
   10: #define _BIRD_UNIX_H_
   11: 
   12: #include <sys/socket.h>
   13: 
   14: struct pool;
   15: struct iface;
   16: struct birdsock;
   17: 
   18: /* main.c */
   19: 
   20: extern char *bird_name;
   21: void async_config(void);
   22: void async_dump(void);
   23: void async_shutdown(void);
   24: void cmd_check_config(char *name);
   25: void cmd_reconfig(char *name, int type, int timeout);
   26: void cmd_reconfig_confirm(void);
   27: void cmd_reconfig_undo(void);
   28: void cmd_shutdown(void);
   29: 
   30: #define UNIX_DEFAULT_CONFIGURE_TIMEOUT	300
   31: 
   32: #define UNIX_DEFAULT_LATENCY_LIMIT	(1 S_)
   33: #define UNIX_DEFAULT_WATCHDOG_WARNING	(5 S_)
   34: 
   35: /* io.c */
   36: 
   37: #define ERR(c) do { s->err = c; return -1; } while (0)
   38: #define ERR2(c) do { s->err = c; goto err; } while (0)
   39: #define ERR_MSG(c) do { errno = 0; s->err = c; return -1; } while (0)
   40: 
   41: 
   42: #define SOCKADDR_SIZE 32
   43: 
   44: typedef struct sockaddr_bird {
   45:   struct sockaddr sa;
   46:   char padding[SOCKADDR_SIZE - sizeof(struct sockaddr)];
   47: } sockaddr;
   48: 
   49: 
   50: #ifdef IPV6
   51: #define BIRD_AF AF_INET6
   52: #define ipa_from_sa(x) ipa_from_sa6(x)
   53: #else
   54: #define BIRD_AF AF_INET
   55: #define ipa_from_sa(x) ipa_from_sa4(x)
   56: #endif
   57: 
   58: 
   59: /* This is sloppy hack, it should be detected by configure script */
   60: /* Linux systems have it defined so this is definition for BSD systems */
   61: #ifndef s6_addr32
   62: #define s6_addr32 __u6_addr.__u6_addr32
   63: #endif
   64: 
   65: 
   66: static inline ip_addr ipa_from_in4(struct in_addr a UNUSED6)
   67: { return ipa_from_u32(ntohl(a.s_addr)); }
   68: 
   69: static inline ip_addr ipa_from_in6(struct in6_addr a UNUSED4)
   70: { return ipa_build6(ntohl(a.s6_addr32[0]), ntohl(a.s6_addr32[1]), ntohl(a.s6_addr32[2]), ntohl(a.s6_addr32[3])); }
   71: 
   72: static inline ip_addr ipa_from_sa4(sockaddr *sa UNUSED6)
   73: { return ipa_from_in4(((struct sockaddr_in *) sa)->sin_addr); }
   74: 
   75: static inline ip_addr ipa_from_sa6(sockaddr *sa UNUSED4)
   76: { return ipa_from_in6(((struct sockaddr_in6 *) sa)->sin6_addr); }
   77: 
   78: static inline struct in_addr ipa_to_in4(ip_addr a)
   79: { return (struct in_addr) { htonl(ipa_to_u32(a)) }; }
   80: 
   81: #ifdef IPV6
   82: static inline struct in6_addr ipa_to_in6(ip_addr a)
   83: { return (struct in6_addr) { .s6_addr32 = { htonl(_I0(a)), htonl(_I1(a)), htonl(_I2(a)), htonl(_I3(a)) } }; }
   84: #else
   85: /* Temporary dummy */
   86: static inline struct in6_addr ipa_to_in6(ip_addr a UNUSED)
   87: { return (struct in6_addr) { .s6_addr32 = { 0, 0, 0, 0 } }; }
   88: #endif
   89: 
   90: void sockaddr_fill(sockaddr *sa, int af, ip_addr a, struct iface *ifa, uint port);
   91: int sockaddr_read(sockaddr *sa, int af, ip_addr *a, struct iface **ifa, uint *port);
   92: 
   93: 
   94: #ifndef SUN_LEN
   95: #define SUN_LEN(ptr) ((size_t) (((struct sockaddr_un *) 0)->sun_path) + strlen ((ptr)->sun_path))
   96: #endif
   97: 
   98: volatile int async_config_flag;
   99: volatile int async_dump_flag;
  100: volatile int async_shutdown_flag;
  101: 
  102: void io_init(void);
  103: void io_loop(void);
  104: void io_log_dump(void);
  105: int sk_open_unix(struct birdsock *s, char *name);
  106: void *tracked_fopen(struct pool *, char *name, char *mode);
  107: void test_old_bird(char *path);
  108: 
  109: 
  110: /* krt.c bits */
  111: 
  112: void krt_io_init(void);
  113: 
  114: /* log.c */
  115: 
  116: void main_thread_init(void);
  117: void log_init_debug(char *);		/* Initialize debug dump to given file (NULL=stderr, ""=off) */
  118: void log_switch(int debug, list *l, char *); /* Use l=NULL for initial switch */
  119: 
  120: struct log_config {
  121:   node n;
  122:   uint mask;				/* Classes to log */
  123:   void *fh;				/* FILE to log to, NULL=syslog */
  124:   int terminal_flag;
  125: };
  126: 
  127: #endif