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/* BSD LICENSE
*
* Copyright(c) 2016 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#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
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