xref: /dpdk/examples/ipsec-secgw/parser.h (revision 9ac91e2f7339e66658ef55b756a06b328e336fde)
13998e2a0SBruce Richardson /* SPDX-License-Identifier: BSD-3-Clause
23998e2a0SBruce Richardson  * Copyright(c) 2016 Intel Corporation
30d547ed0SFan Zhang  */
40d547ed0SFan Zhang 
58e693616SAnoob Joseph #ifndef __PARSER_H
68e693616SAnoob Joseph #define __PARSER_H
78e693616SAnoob Joseph 
872b452c5SDmitry Kozlyuk #include <ctype.h>
90d547ed0SFan Zhang #include <sys/types.h>
100d547ed0SFan Zhang #include <netinet/in.h>
110d547ed0SFan Zhang #include <netinet/ip.h>
128e693616SAnoob Joseph #include <string.h>
130d547ed0SFan Zhang 
14*9ac91e2fSRobin Jarry #include <rte_ip6.h>
15*9ac91e2fSRobin Jarry 
160d547ed0SFan Zhang struct parse_status {
170d547ed0SFan Zhang 	int status;
180d547ed0SFan Zhang 	char parse_msg[256];
190d547ed0SFan Zhang };
200d547ed0SFan Zhang 
217622291bSKonstantin Ananyev #define	APP_CHECK(exp, st, fmt, ...)					\
220d547ed0SFan Zhang do {									\
230d547ed0SFan Zhang 	if (!(exp)) {							\
247622291bSKonstantin Ananyev 		sprintf((st)->parse_msg, fmt "\n",			\
250d547ed0SFan Zhang 			## __VA_ARGS__);				\
267622291bSKonstantin Ananyev 		(st)->status = -1;					\
270d547ed0SFan Zhang 	} else								\
287622291bSKonstantin Ananyev 		(st)->status = 0;					\
290d547ed0SFan Zhang } while (0)
300d547ed0SFan Zhang 
310d547ed0SFan Zhang #define APP_CHECK_PRESENCE(val, str, status)				\
320d547ed0SFan Zhang 	APP_CHECK(val == 0, status,					\
330d547ed0SFan Zhang 		"item \"%s\" already present", str)
340d547ed0SFan Zhang 
350d547ed0SFan Zhang #define APP_CHECK_TOKEN_EQUAL(tokens, index, ref, status)		\
360d547ed0SFan Zhang 	APP_CHECK(strcmp(tokens[index], ref) == 0, status,		\
370d547ed0SFan Zhang 		"unrecognized input \"%s\": expect \"%s\"\n",		\
380d547ed0SFan Zhang 		tokens[index], ref)
390d547ed0SFan Zhang 
400d547ed0SFan Zhang static inline int
410d547ed0SFan Zhang is_str_num(const char *str)
420d547ed0SFan Zhang {
430d547ed0SFan Zhang 	uint32_t i;
440d547ed0SFan Zhang 
450d547ed0SFan Zhang 	for (i = 0; i < strlen(str); i++)
460d547ed0SFan Zhang 		if (!isdigit(str[i]))
470d547ed0SFan Zhang 			return -1;
480d547ed0SFan Zhang 
490d547ed0SFan Zhang 	return 0;
500d547ed0SFan Zhang }
510d547ed0SFan Zhang 
520d547ed0SFan Zhang #define APP_CHECK_TOKEN_IS_NUM(tokens, index, status)			\
530d547ed0SFan Zhang 	APP_CHECK(is_str_num(tokens[index]) == 0, status,		\
540d547ed0SFan Zhang 	"input \"%s\" is not valid number string", tokens[index])
550d547ed0SFan Zhang 
560d547ed0SFan Zhang 
570d547ed0SFan Zhang #define INCREMENT_TOKEN_INDEX(index, max_num, status)			\
580d547ed0SFan Zhang do {									\
590d547ed0SFan Zhang 	APP_CHECK(index + 1 < max_num, status, "reaching the end of "	\
600d547ed0SFan Zhang 		"the token array");					\
610d547ed0SFan Zhang 	index++;							\
620d547ed0SFan Zhang } while (0)
630d547ed0SFan Zhang 
640d547ed0SFan Zhang int
650d547ed0SFan Zhang parse_ipv4_addr(const char *token, struct in_addr *ipv4, uint32_t *mask);
660d547ed0SFan Zhang 
670d547ed0SFan Zhang int
68*9ac91e2fSRobin Jarry parse_ipv6_addr(const char *token, struct rte_ipv6_addr *ipv6, uint32_t *mask);
690d547ed0SFan Zhang 
700d547ed0SFan Zhang int
710d547ed0SFan Zhang parse_range(const char *token, uint16_t *low, uint16_t *high);
720d547ed0SFan Zhang 
730d547ed0SFan Zhang void
74b0806375SVladimir Medvedkin sp4_sort_arr(void);
75b0806375SVladimir Medvedkin 
76b0806375SVladimir Medvedkin void
770d547ed0SFan Zhang parse_sp4_tokens(char **tokens, uint32_t n_tokens,
780d547ed0SFan Zhang 	struct parse_status *status);
790d547ed0SFan Zhang 
800d547ed0SFan Zhang void
81b0806375SVladimir Medvedkin sp6_sort_arr(void);
82b0806375SVladimir Medvedkin 
83b0806375SVladimir Medvedkin void
840d547ed0SFan Zhang parse_sp6_tokens(char **tokens, uint32_t n_tokens,
850d547ed0SFan Zhang 	struct parse_status *status);
860d547ed0SFan Zhang 
870d547ed0SFan Zhang void
88e1143d7dSVladimir Medvedkin sa_sort_arr(void);
89e1143d7dSVladimir Medvedkin 
90e1143d7dSVladimir Medvedkin void
910d547ed0SFan Zhang parse_sa_tokens(char **tokens, uint32_t n_tokens,
920d547ed0SFan Zhang 	struct parse_status *status);
930d547ed0SFan Zhang 
940d547ed0SFan Zhang void
950d547ed0SFan Zhang parse_rt_tokens(char **tokens, uint32_t n_tokens,
960d547ed0SFan Zhang 	struct parse_status *status);
970d547ed0SFan Zhang 
980d547ed0SFan Zhang int
990d547ed0SFan Zhang parse_cfg_file(const char *cfg_filename);
1000d547ed0SFan Zhang 
1010d547ed0SFan Zhang #endif
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