1d30ea906Sjfb8856606 /* SPDX-License-Identifier: BSD-3-Clause
2d30ea906Sjfb8856606 * Copyright(c) 2016 Intel Corporation
32bfe3f2eSlogwang */
42bfe3f2eSlogwang
5*2d9fd380Sjfb8856606 #ifndef __PARSER_H
6*2d9fd380Sjfb8856606 #define __PARSER_H
7*2d9fd380Sjfb8856606
82bfe3f2eSlogwang #include <sys/types.h>
92bfe3f2eSlogwang #include <netinet/in.h>
102bfe3f2eSlogwang #include <netinet/ip.h>
11*2d9fd380Sjfb8856606 #include <string.h>
122bfe3f2eSlogwang
132bfe3f2eSlogwang struct parse_status {
142bfe3f2eSlogwang int status;
152bfe3f2eSlogwang char parse_msg[256];
162bfe3f2eSlogwang };
172bfe3f2eSlogwang
184418919fSjohnjiang #define APP_CHECK(exp, st, fmt, ...) \
192bfe3f2eSlogwang do { \
202bfe3f2eSlogwang if (!(exp)) { \
214418919fSjohnjiang sprintf((st)->parse_msg, fmt "\n", \
222bfe3f2eSlogwang ## __VA_ARGS__); \
234418919fSjohnjiang (st)->status = -1; \
242bfe3f2eSlogwang } else \
254418919fSjohnjiang (st)->status = 0; \
262bfe3f2eSlogwang } while (0)
272bfe3f2eSlogwang
282bfe3f2eSlogwang #define APP_CHECK_PRESENCE(val, str, status) \
292bfe3f2eSlogwang APP_CHECK(val == 0, status, \
302bfe3f2eSlogwang "item \"%s\" already present", str)
312bfe3f2eSlogwang
322bfe3f2eSlogwang #define APP_CHECK_TOKEN_EQUAL(tokens, index, ref, status) \
332bfe3f2eSlogwang APP_CHECK(strcmp(tokens[index], ref) == 0, status, \
342bfe3f2eSlogwang "unrecognized input \"%s\": expect \"%s\"\n", \
352bfe3f2eSlogwang tokens[index], ref)
362bfe3f2eSlogwang
372bfe3f2eSlogwang static inline int
is_str_num(const char * str)382bfe3f2eSlogwang is_str_num(const char *str)
392bfe3f2eSlogwang {
402bfe3f2eSlogwang uint32_t i;
412bfe3f2eSlogwang
422bfe3f2eSlogwang for (i = 0; i < strlen(str); i++)
432bfe3f2eSlogwang if (!isdigit(str[i]))
442bfe3f2eSlogwang return -1;
452bfe3f2eSlogwang
462bfe3f2eSlogwang return 0;
472bfe3f2eSlogwang }
482bfe3f2eSlogwang
492bfe3f2eSlogwang #define APP_CHECK_TOKEN_IS_NUM(tokens, index, status) \
502bfe3f2eSlogwang APP_CHECK(is_str_num(tokens[index]) == 0, status, \
512bfe3f2eSlogwang "input \"%s\" is not valid number string", tokens[index])
522bfe3f2eSlogwang
532bfe3f2eSlogwang
542bfe3f2eSlogwang #define INCREMENT_TOKEN_INDEX(index, max_num, status) \
552bfe3f2eSlogwang do { \
562bfe3f2eSlogwang APP_CHECK(index + 1 < max_num, status, "reaching the end of " \
572bfe3f2eSlogwang "the token array"); \
582bfe3f2eSlogwang index++; \
592bfe3f2eSlogwang } while (0)
602bfe3f2eSlogwang
612bfe3f2eSlogwang int
622bfe3f2eSlogwang parse_ipv4_addr(const char *token, struct in_addr *ipv4, uint32_t *mask);
632bfe3f2eSlogwang
642bfe3f2eSlogwang int
652bfe3f2eSlogwang parse_ipv6_addr(const char *token, struct in6_addr *ipv6, uint32_t *mask);
662bfe3f2eSlogwang
672bfe3f2eSlogwang int
682bfe3f2eSlogwang parse_range(const char *token, uint16_t *low, uint16_t *high);
692bfe3f2eSlogwang
702bfe3f2eSlogwang void
71*2d9fd380Sjfb8856606 sp4_sort_arr(void);
72*2d9fd380Sjfb8856606
73*2d9fd380Sjfb8856606 void
742bfe3f2eSlogwang parse_sp4_tokens(char **tokens, uint32_t n_tokens,
752bfe3f2eSlogwang struct parse_status *status);
762bfe3f2eSlogwang
772bfe3f2eSlogwang void
78*2d9fd380Sjfb8856606 sp6_sort_arr(void);
79*2d9fd380Sjfb8856606
80*2d9fd380Sjfb8856606 void
812bfe3f2eSlogwang parse_sp6_tokens(char **tokens, uint32_t n_tokens,
822bfe3f2eSlogwang struct parse_status *status);
832bfe3f2eSlogwang
842bfe3f2eSlogwang void
85*2d9fd380Sjfb8856606 sa_sort_arr(void);
86*2d9fd380Sjfb8856606
87*2d9fd380Sjfb8856606 void
882bfe3f2eSlogwang parse_sa_tokens(char **tokens, uint32_t n_tokens,
892bfe3f2eSlogwang struct parse_status *status);
902bfe3f2eSlogwang
912bfe3f2eSlogwang void
922bfe3f2eSlogwang parse_rt_tokens(char **tokens, uint32_t n_tokens,
932bfe3f2eSlogwang struct parse_status *status);
942bfe3f2eSlogwang
952bfe3f2eSlogwang int
962bfe3f2eSlogwang parse_cfg_file(const char *cfg_filename);
972bfe3f2eSlogwang
982bfe3f2eSlogwang #endif
99