include/utils.h

   1 #ifndef __UTILS_H__
   2 #define __UTILS_H__ 1
   3
   4 #include <sys/types.h>
   5 #include <asm/types.h>
   6 #include <resolv.h>
   7 #include <stdlib.h>
   8
   9 #include "libnetlink.h"
  10 #include "ll_map.h"
  11 #include "rtm_map.h"
  12
  13 extern int preferred_family;
  14 extern int show_stats;
  15 extern int show_details;
  16 extern int show_raw;
  17 extern int resolve_hosts;
  18 extern int oneline;
  19 extern int timestamp;
  20 extern char * _SL_;
  21 extern int max_flush_loops;
  22 extern int batch_mode;
  23
  24 #ifndef IPPROTO_ESP
  25 #define IPPROTO_ESP     50
  26 #endif
  27 #ifndef IPPROTO_AH
  28 #define IPPROTO_AH      51
  29 #endif
  30 #ifndef IPPROTO_COMP
  31 #define IPPROTO_COMP    108
  32 #endif
  33 #ifndef IPSEC_PROTO_ANY
  34 #define IPSEC_PROTO_ANY 255
  35 #endif
  36
  37 #define SPRINT_BSIZE 64
  38 #define SPRINT_BUF(x)   char x[SPRINT_BSIZE]
  39
  40 extern void incomplete_command(void) __attribute__((noreturn));
  41
  42 #define NEXT_ARG() do { argv++; if (--argc <= 0) incomplete_command(); } while(0)
  43 #define NEXT_ARG_OK() (argc - 1 > 0)
  44 #define PREV_ARG() do { argv--; argc++; } while(0)
  45
  46 typedef struct
  47 {
  48         __u8 family;
  49         __u8 bytelen;
  50         __s16 bitlen;
  51         __u32 flags;
  52         __u32 data[8];
  53 } inet_prefix;
  54
  55 #define PREFIXLEN_SPECIFIED 1
  56
  57 #define DN_MAXADDL 20
  58 #ifndef AF_DECnet
  59 #define AF_DECnet 12
  60 #endif
  61
  62 struct dn_naddr
  63 {
  64         unsigned short          a_len;
  65         unsigned char a_addr[DN_MAXADDL];
  66 };
  67
  68 #define IPX_NODE_LEN 6
  69
  70 struct ipx_addr {
  71         u_int32_t ipx_net;
  72         u_int8_t  ipx_node[IPX_NODE_LEN];
  73 };
  74
  75 extern __u32 get_addr32(const char *name);
  76 extern int get_addr_1(inet_prefix *dst, const char *arg, int family);
  77 extern int get_prefix_1(inet_prefix *dst, char *arg, int family);
  78 extern int get_addr(inet_prefix *dst, const char *arg, int family);
  79 extern int get_prefix(inet_prefix *dst, char *arg, int family);
  80 extern int mask2bits(__u32 netmask);
  81
  82 extern int get_integer(int *val, const char *arg, int base);
  83 extern int get_unsigned(unsigned *val, const char *arg, int base);
  84 extern int get_time_rtt(unsigned *val, const char *arg, int *raw);
  85 #define get_byte get_u8
  86 #define get_ushort get_u16
  87 #define get_short get_s16
  88 extern int get_u64(__u64 *val, const char *arg, int base);
  89 extern int get_u32(__u32 *val, const char *arg, int base);
  90 extern int get_s32(__s32 *val, const char *arg, int base);
  91 extern int get_u16(__u16 *val, const char *arg, int base);
  92 extern int get_s16(__s16 *val, const char *arg, int base);
  93 extern int get_u8(__u8 *val, const char *arg, int base);
  94 extern int get_s8(__s8 *val, const char *arg, int base);
  95
  96 extern char* hexstring_n2a(const __u8 *str, int len, char *buf, int blen);
  97 extern __u8* hexstring_a2n(const char *str, __u8 *buf, int blen);
  98
  99 extern const char *format_host(int af, int len, const void *addr,
 100                                char *buf, int buflen);
 101 extern const char *rt_addr_n2a(int af, const void *addr,
 102                                char *buf, int buflen);
 103
 104 void missarg(const char *) __attribute__((noreturn));
 105 void invarg(const char *, const char *) __attribute__((noreturn));
 106 void duparg(const char *, const char *) __attribute__((noreturn));
 107 void duparg2(const char *, const char *) __attribute__((noreturn));
 108 int matches(const char *arg, const char *pattern);
 109 extern int inet_addr_match(const inet_prefix *a, const inet_prefix *b, int bits);
 110
 111 const char *dnet_ntop(int af, const void *addr, char *str, size_t len);
 112 int dnet_pton(int af, const char *src, void *addr);
 113
 114 const char *ipx_ntop(int af, const void *addr, char *str, size_t len);
 115 int ipx_pton(int af, const char *src, void *addr);
 116
 117 extern int __iproute2_hz_internal;
 118 extern int __get_hz(void);
 119
 120 static __inline__ int get_hz(void)
 121 {
 122         if (__iproute2_hz_internal == 0)
 123                 __iproute2_hz_internal = __get_hz();
 124         return __iproute2_hz_internal;
 125 }
 126
 127 extern int __iproute2_user_hz_internal;
 128 extern int __get_user_hz(void);
 129
 130 static __inline__ int get_user_hz(void)
 131 {
 132         if (__iproute2_user_hz_internal == 0)
 133                 __iproute2_user_hz_internal = __get_user_hz();
 134         return __iproute2_user_hz_internal;
 135 }
 136
 137 static inline __u32 nl_mgrp(__u32 group)
 138 {
 139         if (group > 31 ) {
 140                 fprintf(stderr, "Use setsockopt for this group %d\n", group);
 141                 exit(-1);
 142         }
 143         return group ? (1 << (group - 1)) : 0;
 144 }
 145
 146
 147 int print_timestamp(FILE *fp);
 148
 149 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
 150
 151 extern int cmdlineno;
 152 extern ssize_t getcmdline(char **line, size_t *len, FILE *in);
 153 extern int makeargs(char *line, char *argv[], int maxargs);
 154 extern int inet_get_addr(const char *src, __u32 *dst, struct in6_addr *dst6);
 155
 156 struct iplink_req;
 157 int iplink_parse(int argc, char **argv, struct iplink_req *req,
 158                 char **name, char **type, char **link, char **dev,
 159                 int *group, int *index);
 160 #endif /* __UTILS_H__ */