Annotation of embedaddon/mtr/net.h, revision 1.1.1.1
1.1 misho 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);
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