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