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Initial revision

    1: /*
    2:     mtr  --  a network diagnostic tool
    3:     Copyright (C) 1997,1998  Matt Kimball
    4: 
    5:     This program is free software; you can redistribute it and/or modify
    6:     it under the terms of the GNU General Public License version 2 as 
    7:     published by the Free Software Foundation.
    8: 
    9:     This program is distributed in the hope that it will be useful,
   10:     but WITHOUT ANY WARRANTY; without even the implied warranty of
   11:     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   12:     GNU General Public License for more details.
   13: 
   14:     You should have received a copy of the GNU General Public License
   15:     along with this program; if not, write to the Free Software
   16:     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
   17: */
   18: 
   19: /*  Prototypes for functions in net.c  */
   20: #include <netdb.h>
   21: #include <arpa/inet.h>
   22: #include <netinet/in.h>
   23: #include <sys/socket.h>
   24: #ifdef ENABLE_IPV6
   25: #include <netinet/ip6.h>
   26: #include <netinet/icmp6.h>
   27: #endif
   28: 
   29: int net_preopen(void);
   30: int net_selectsocket(void);
   31: int net_open(struct hostent *host);
   32: void net_reopen(struct hostent *address);
   33: int net_set_interfaceaddress (char *InterfaceAddress); 
   34: void net_reset(void);
   35: void net_close(void);
   36: int net_waitfd(void);
   37: void net_process_return(void);
   38: void net_harvest_fds(void);
   39: 
   40: int net_max(void);
   41: int net_min(void);
   42: int net_last(int at);
   43: ip_t * net_addr(int at);
   44: void * net_mpls(int at);
   45: void * net_mplss(int, int);
   46: int net_loss(int at);
   47: int net_drop(int at);
   48: int net_last(int at);
   49: int net_best(int at);
   50: int net_worst(int at);
   51: int net_avg(int at);
   52: int net_gmean(int at);
   53: int net_stdev(int at);
   54: int net_jitter(int at);
   55: int net_jworst(int at);
   56: int net_javg(int at);
   57: int net_jinta(int at);
   58: ip_t * net_addrs(int at, int i);
   59: char *net_localaddr(void); 
   60: 
   61: int net_send_batch(void);
   62: void net_end_transit(void);
   63: 
   64: int calc_deltatime (float WaitTime);
   65: 
   66: int net_returned(int at);
   67: int net_xmit(int at);
   68: int net_transit(int at);
   69: 
   70: int net_up(int at);
   71: 
   72: #define SAVED_PINGS 200
   73: int* net_saved_pings(int at);
   74: void net_save_xmit(int at);
   75: void net_save_return(int at, int seq, int ms);
   76: int net_duplicate(int at, int seq);
   77: 
   78: void sockaddrtop( struct sockaddr * saddr, char * strptr, size_t len );
   79: int addrcmp( char * a, char * b, int af );
   80: void addrcpy( char * a, char * b, int af );
   81: 
   82: void net_add_fds(fd_set *writefd, int *maxfd);
   83: void net_process_fds(fd_set *writefd);
   84: 
   85: #define MAXPATH 8
   86: #define MaxHost 256
   87: #define MinSequence 33000
   88: #define MaxSequence 65536
   89: #define MinPort 1024
   90: 
   91: #define MAXPACKET 4470		/* largest test packet size */
   92: #define MINPACKET 28		/* 20 bytes IP header and 8 bytes ICMP or UDP */
   93: #define MAXLABELS 8 		/* http://kb.juniper.net/KB2190 (+ 3 just in case) */
   94: 
   95: /* stuff used by display such as report, curses... */
   96: #define MAXFLD 20		/* max stats fields to display */
   97: 
   98: #if defined (__STDC__) && __STDC__
   99: #define CONST const
  100: #else
  101: #define CONST /* */
  102: #endif
  103: 
  104: 
  105: /* XXX This doesn't really belong in this header file, but as the
  106:    right c-files include it, it will have to do for now. */
  107: 
  108: /* dynamic field drawing */
  109: struct fields {
  110:   CONST unsigned char key;
  111:   CONST char *descr;
  112:   CONST char *title;
  113:   CONST char *format;
  114:   int length;
  115:   int (*net_xxx)();
  116: };
  117: 
  118: extern struct fields data_fields[MAXFLD];
  119: 
  120: 
  121: /* keys: the value in the array is the index number in data_fields[] */
  122: extern int fld_index[];
  123: extern unsigned char fld_active[];
  124: extern char available_options[];
  125: 
  126: ip_t unspec_addr;
  127: 
  128: /* MPLS label object */
  129: struct mplslen {
  130:   unsigned long label[MAXLABELS]; /* label value */
  131:   uint8 exp[MAXLABELS]; /* experimental bits */
  132:   uint8 ttl[MAXLABELS]; /* MPLS TTL */
  133:   char s[MAXLABELS]; /* bottom of stack */
  134:   char labels; /* how many labels did we get? */
  135: };
  136: 
  137: void decodempls(int, char *, struct mplslen *, int);