numam-dpdk/examples/ipsec-secgw/parser.h
Bruce Richardson 3998e2a072 examples: use SPDX tag for Intel copyright files
Replace the BSD license header with the SPDX tag for files
with only an Intel copyright on them.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
2018-01-04 22:41:39 +01:00

89 lines
1.9 KiB
C

/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2016 Intel Corporation
*/
#include <sys/types.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#ifndef __PARSER_H
#define __PARSER_H
struct parse_status {
int status;
char parse_msg[256];
};
#define APP_CHECK(exp, status, fmt, ...) \
do { \
if (!(exp)) { \
sprintf(status->parse_msg, fmt "\n", \
## __VA_ARGS__); \
status->status = -1; \
} else \
status->status = 0; \
} while (0)
#define APP_CHECK_PRESENCE(val, str, status) \
APP_CHECK(val == 0, status, \
"item \"%s\" already present", str)
#define APP_CHECK_TOKEN_EQUAL(tokens, index, ref, status) \
APP_CHECK(strcmp(tokens[index], ref) == 0, status, \
"unrecognized input \"%s\": expect \"%s\"\n", \
tokens[index], ref)
static inline int
is_str_num(const char *str)
{
uint32_t i;
for (i = 0; i < strlen(str); i++)
if (!isdigit(str[i]))
return -1;
return 0;
}
#define APP_CHECK_TOKEN_IS_NUM(tokens, index, status) \
APP_CHECK(is_str_num(tokens[index]) == 0, status, \
"input \"%s\" is not valid number string", tokens[index])
#define INCREMENT_TOKEN_INDEX(index, max_num, status) \
do { \
APP_CHECK(index + 1 < max_num, status, "reaching the end of " \
"the token array"); \
index++; \
} while (0)
int
parse_ipv4_addr(const char *token, struct in_addr *ipv4, uint32_t *mask);
int
parse_ipv6_addr(const char *token, struct in6_addr *ipv6, uint32_t *mask);
int
parse_range(const char *token, uint16_t *low, uint16_t *high);
void
parse_sp4_tokens(char **tokens, uint32_t n_tokens,
struct parse_status *status);
void
parse_sp6_tokens(char **tokens, uint32_t n_tokens,
struct parse_status *status);
void
parse_sa_tokens(char **tokens, uint32_t n_tokens,
struct parse_status *status);
void
parse_rt_tokens(char **tokens, uint32_t n_tokens,
struct parse_status *status);
int
parse_cfg_file(const char *cfg_filename);
#endif