utils.h revision 81d03dc356df24d55443535eace247b93ff47b4e 
1#ifndef __UTILS_H__
2#define __UTILS_H__ 1
3
4#include <asm/types.h>
5#include <resolv.h>
6#include <stdlib.h>
7
8#include "libnetlink.h"
9#include "ll_map.h"
10#include "rtm_map.h"
11
12extern int preferred_family;
13extern int show_stats;
14extern int show_details;
15extern int show_raw;
16extern int resolve_hosts;
17extern int oneline;
18extern int timestamp;
19extern char * _SL_;
20extern int max_flush_loops;
21
22#ifndef IPPROTO_ESP
23#define IPPROTO_ESP	50
24#endif
25#ifndef IPPROTO_AH
26#define IPPROTO_AH	51
27#endif
28#ifndef IPPROTO_COMP
29#define IPPROTO_COMP	108
30#endif
31#ifndef IPSEC_PROTO_ANY
32#define IPSEC_PROTO_ANY	255
33#endif
34
35#define SPRINT_BSIZE 64
36#define SPRINT_BUF(x)	char x[SPRINT_BSIZE]
37
38extern void incomplete_command(void) __attribute__((noreturn));
39
40#define NEXT_ARG() do { argv++; if (--argc <= 0) incomplete_command(); } while(0)
41#define NEXT_ARG_OK() (argc - 1 > 0)
42#define PREV_ARG() do { argv--; argc++; } while(0)
43
44typedef struct
45{
46	__u8 family;
47	__u8 bytelen;
48	__s16 bitlen;
49	__u32 flags;
50	__u32 data[8];
51} inet_prefix;
52
53#define PREFIXLEN_SPECIFIED 1
54
55#define DN_MAXADDL 20
56#ifndef AF_DECnet
57#define AF_DECnet 12
58#endif
59
60struct dn_naddr
61{
62        unsigned short          a_len;
63        unsigned char a_addr[DN_MAXADDL];
64};
65
66#define IPX_NODE_LEN 6
67
68struct ipx_addr {
69	u_int32_t ipx_net;
70	u_int8_t  ipx_node[IPX_NODE_LEN];
71};
72
73extern __u32 get_addr32(const char *name);
74extern int get_addr_1(inet_prefix *dst, const char *arg, int family);
75extern int get_prefix_1(inet_prefix *dst, char *arg, int family);
76extern int get_addr(inet_prefix *dst, const char *arg, int family);
77extern int get_prefix(inet_prefix *dst, char *arg, int family);
78extern int mask2bits(__u32 netmask);
79
80extern int get_integer(int *val, const char *arg, int base);
81extern int get_unsigned(unsigned *val, const char *arg, int base);
82extern int get_time_rtt(unsigned *val, const char *arg, int *raw);
83#define get_byte get_u8
84#define get_ushort get_u16
85#define get_short get_s16
86extern int get_u64(__u64 *val, const char *arg, int base);
87extern int get_u32(__u32 *val, const char *arg, int base);
88extern int get_u16(__u16 *val, const char *arg, int base);
89extern int get_s16(__s16 *val, const char *arg, int base);
90extern int get_u8(__u8 *val, const char *arg, int base);
91extern int get_s8(__s8 *val, const char *arg, int base);
92
93extern char* hexstring_n2a(const __u8 *str, int len, char *buf, int blen);
94extern __u8* hexstring_a2n(const char *str, __u8 *buf, int blen);
95
96extern const char *format_host(int af, int len, const void *addr,
97			       char *buf, int buflen);
98extern const char *rt_addr_n2a(int af, int len, const void *addr,
99			       char *buf, int buflen);
100
101void missarg(const char *) __attribute__((noreturn));
102void invarg(const char *, const char *) __attribute__((noreturn));
103void duparg(const char *, const char *) __attribute__((noreturn));
104void duparg2(const char *, const char *) __attribute__((noreturn));
105int matches(const char *arg, const char *pattern);
106extern int inet_addr_match(const inet_prefix *a, const inet_prefix *b, int bits);
107
108const char *dnet_ntop(int af, const void *addr, char *str, size_t len);
109int dnet_pton(int af, const char *src, void *addr);
110
111const char *ipx_ntop(int af, const void *addr, char *str, size_t len);
112int ipx_pton(int af, const char *src, void *addr);
113
114extern int __iproute2_hz_internal;
115extern int __get_hz(void);
116
117static __inline__ int get_hz(void)
118{
119	if (__iproute2_hz_internal == 0)
120		__iproute2_hz_internal = __get_hz();
121	return __iproute2_hz_internal;
122}
123
124extern int __iproute2_user_hz_internal;
125extern int __get_user_hz(void);
126
127static __inline__ int get_user_hz(void)
128{
129	if (__iproute2_user_hz_internal == 0)
130		__iproute2_user_hz_internal = __get_user_hz();
131	return __iproute2_user_hz_internal;
132}
133
134static inline __u32 nl_mgrp(__u32 group)
135{
136	if (group > 31 ) {
137		fprintf(stderr, "Use setsockopt for this group %d\n", group);
138		exit(-1);
139	}
140	return group ? (1 << (group - 1)) : 0;
141}
142
143
144int print_timestamp(FILE *fp);
145
146#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
147
148extern int cmdlineno;
149extern ssize_t getcmdline(char **line, size_t *len, FILE *in);
150extern int makeargs(char *line, char *argv[], int maxargs);
151
152struct iplink_req;
153int iplink_parse(int argc, char **argv, struct iplink_req *req,
154		char **name, char **type, char **link, char **dev,
155		int *group);
156#endif /* __UTILS_H__ */
157