1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2016 Intel Corporation
3 */
4
5 #ifndef __PARSER_H
6 #define __PARSER_H
7
8 #include <sys/types.h>
9 #include <netinet/in.h>
10 #include <netinet/ip.h>
11 #include <string.h>
12
13 struct parse_status {
14 int status;
15 char parse_msg[256];
16 };
17
18 #define APP_CHECK(exp, st, fmt, ...) \
19 do { \
20 if (!(exp)) { \
21 sprintf((st)->parse_msg, fmt "\n", \
22 ## __VA_ARGS__); \
23 (st)->status = -1; \
24 } else \
25 (st)->status = 0; \
26 } while (0)
27
28 #define APP_CHECK_PRESENCE(val, str, status) \
29 APP_CHECK(val == 0, status, \
30 "item \"%s\" already present", str)
31
32 #define APP_CHECK_TOKEN_EQUAL(tokens, index, ref, status) \
33 APP_CHECK(strcmp(tokens[index], ref) == 0, status, \
34 "unrecognized input \"%s\": expect \"%s\"\n", \
35 tokens[index], ref)
36
37 static inline int
is_str_num(const char * str)38 is_str_num(const char *str)
39 {
40 uint32_t i;
41
42 for (i = 0; i < strlen(str); i++)
43 if (!isdigit(str[i]))
44 return -1;
45
46 return 0;
47 }
48
49 #define APP_CHECK_TOKEN_IS_NUM(tokens, index, status) \
50 APP_CHECK(is_str_num(tokens[index]) == 0, status, \
51 "input \"%s\" is not valid number string", tokens[index])
52
53
54 #define INCREMENT_TOKEN_INDEX(index, max_num, status) \
55 do { \
56 APP_CHECK(index + 1 < max_num, status, "reaching the end of " \
57 "the token array"); \
58 index++; \
59 } while (0)
60
61 int
62 parse_ipv4_addr(const char *token, struct in_addr *ipv4, uint32_t *mask);
63
64 int
65 parse_ipv6_addr(const char *token, struct in6_addr *ipv6, uint32_t *mask);
66
67 int
68 parse_range(const char *token, uint16_t *low, uint16_t *high);
69
70 void
71 sp4_sort_arr(void);
72
73 void
74 parse_sp4_tokens(char **tokens, uint32_t n_tokens,
75 struct parse_status *status);
76
77 void
78 sp6_sort_arr(void);
79
80 void
81 parse_sp6_tokens(char **tokens, uint32_t n_tokens,
82 struct parse_status *status);
83
84 void
85 sa_sort_arr(void);
86
87 void
88 parse_sa_tokens(char **tokens, uint32_t n_tokens,
89 struct parse_status *status);
90
91 void
92 parse_rt_tokens(char **tokens, uint32_t n_tokens,
93 struct parse_status *status);
94
95 int
96 parse_cfg_file(const char *cfg_filename);
97
98 #endif
99