release/src/router/nfs-utils/utils/statd/notlist.h

   1 /*
   2  * Copyright (C) 1995, 1997-1999, 2002 Jeffrey A. Uphoff
   3  * Major rewrite by Olaf Kirch, Dec. 1996.
   4  *
   5  * NSM for Linux.
   6  */
   7
   8 #include <netinet/in.h>
   9
  10 /*
  11  * Primary information structure.
  12  */
  13 struct notify_list {
  14   mon                   mon;    /* Big honkin' NSM structure. */
  15   struct in_addr        addr;   /* IP address for callback. */
  16   unsigned short        port;   /* port number for callback */
  17   short int             times;  /* Counter used for various things. */
  18   int                   state;  /* For storing notified state for callbacks. */
  19   char                  *dns_name; /* used for matching incoming
  20                                     * NOTIFY requests */
  21   struct notify_list    *next;  /* Linked list forward pointer. */
  22   struct notify_list    *prev;  /* Linked list backward pointer. */
  23   u_int32_t             xid;    /* XID of MS_NOTIFY RPC call */
  24   time_t                when;   /* notify: timeout for re-xmit */
  25 };
  26
  27 typedef struct notify_list notify_list;
  28
  29 /*
  30  * Global Variables
  31  */
  32 extern notify_list *    rtnl;   /* Run-time notify list */
  33 extern notify_list *    notify; /* Pending RPC calls */
  34
  35 /*
  36  * List-handling functions
  37  */
  38 extern notify_list *    nlist_new(char *, char *, int);
  39 extern void             nlist_insert(notify_list **, notify_list *);
  40 extern void             nlist_remove(notify_list **, notify_list *);
  41 extern void             nlist_insert_timer(notify_list **, notify_list *);
  42 extern notify_list *    nlist_clone(notify_list *);
  43 extern void             nlist_free(notify_list **, notify_list *);
  44 extern void             nlist_kill(notify_list **);
  45 extern notify_list *    nlist_gethost(notify_list *, char *, int);
  46
  47 /*
  48  * List-handling macros.
  49  * THESE INHERIT INFORMATION FROM PREVIOUSLY-DEFINED MACROS.
  50  * (So don't change their order unless you study them first!)
  51  */
  52 #define NL_NEXT(L)      ((L)->next)
  53 #define NL_FIRST        NL_NEXT
  54 #define NL_PREV(L)      ((L)->prev)
  55 #define NL_DATA(L)      ((L)->mon)
  56 #define NL_ADDR(L)      ((L)->addr)
  57 #define NL_STATE(L)     ((L)->state)
  58 #define NL_TIMES(L)     ((L)->times)
  59 #define NL_MON_ID(L)    (NL_DATA((L)).mon_id)
  60 #define NL_PRIV(L)      (NL_DATA((L)).priv)
  61 #define NL_MON_NAME(L)  (NL_MON_ID((L)).mon_name)
  62 #define NL_MY_ID(L)     (NL_MON_ID((L)).my_id)
  63 #define NL_MY_NAME(L)   (NL_MY_ID((L)).my_name)
  64 #define NL_MY_PROC(L)   (NL_MY_ID((L)).my_proc)
  65 #define NL_MY_PROG(L)   (NL_MY_ID((L)).my_prog)
  66 #define NL_MY_VERS(L)   (NL_MY_ID((L)).my_vers)
  67 #define NL_WHEN(L)      ((L)->when)