ceph/src/seastar/dpdk/examples/ip_pipeline/parser.h

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
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   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
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  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #ifndef __INCLUDE_PARSER_H__
  35 #define __INCLUDE_PARSER_H__
  36
  37 #include <stdint.h>
  38
  39 #include <rte_ip.h>
  40 #include <rte_ether.h>
  41
  42 #define PARSE_DELIMITER                         " \f\n\r\t\v"
  43
  44 #define skip_white_spaces(pos)                  \
  45 ({                                              \
  46         __typeof__(pos) _p = (pos);             \
  47         for ( ; isspace(*_p); _p++)             \
  48                 ;                               \
  49         _p;                                     \
  50 })
  51
  52 static inline size_t
  53 skip_digits(const char *src)
  54 {
  55         size_t i;
  56
  57         for (i = 0; isdigit(src[i]); i++)
  58                 ;
  59
  60         return i;
  61 }
  62
  63 int parser_read_arg_bool(const char *p);
  64
  65 int parser_read_uint64(uint64_t *value, const char *p);
  66 int parser_read_uint32(uint32_t *value, const char *p);
  67 int parser_read_uint16(uint16_t *value, const char *p);
  68 int parser_read_uint8(uint8_t *value, const char *p);
  69
  70 int parser_read_uint64_hex(uint64_t *value, const char *p);
  71 int parser_read_uint32_hex(uint32_t *value, const char *p);
  72 int parser_read_uint16_hex(uint16_t *value, const char *p);
  73 int parser_read_uint8_hex(uint8_t *value, const char *p);
  74
  75 int parse_hex_string(char *src, uint8_t *dst, uint32_t *size);
  76
  77 int parse_ipv4_addr(const char *token, struct in_addr *ipv4);
  78 int parse_ipv6_addr(const char *token, struct in6_addr *ipv6);
  79 int parse_mac_addr(const char *token, struct ether_addr *addr);
  80 int parse_mpls_labels(char *string, uint32_t *labels, uint32_t *n_labels);
  81
  82 int parse_tokenize_string(char *string, char *tokens[], uint32_t *n_tokens);
  83
  84 #endif