49aa23468d
Aligning the statistics object indices to cache line size reduces the CPU overhead of gathering the statistics. This allows the statistics to more accurately measure the polling system without the measurement affecting the outcome.
86 lines
2.6 KiB
C
86 lines
2.6 KiB
C
#pragma once
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/*
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* Copyright (c) 2016 MariaDB Corporation Ab
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*
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* Use of this software is governed by the Business Source License included
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* in the LICENSE.TXT file and at www.mariadb.com/bsl.
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*
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* Change Date: 2019-07-01
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*
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* On the date above, in accordance with the Business Source License, use
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* of this software will be governed by version 2 or later of the General
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* Public License.
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*/
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/**
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* @file utils.h Utility functions headers
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*
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* @verbatim
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* Revision History
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*
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* Date Who Description
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* 22/03/16 Martin Brampton Initial implementation
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*
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* @endverbatim
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*/
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#include <maxscale/cdefs.h>
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#include <ctype.h>
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#include <math.h>
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#include <stdlib.h>
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#include <netinet/in.h>
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MXS_BEGIN_DECLS
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#define CALCLEN(i) ((size_t)(floor(log10(abs(i))) + 1))
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#define UINTLEN(i) (i<10 ? 1 : (i<100 ? 2 : (i<1000 ? 3 : CALCLEN(i))))
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#define MXS_ARRAY_NELEMS(array) ((size_t)(sizeof(array)/sizeof(array[0])))
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/** Macro for safe pointer arithmetic on void pointers
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* @param a The void pointer
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* @param b The offset into @c a
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*/
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#define MXS_PTR(a, b) (((uint8_t*)(a)) + (b))
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bool utils_init(); /*< Call this first before using any other function */
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void utils_end();
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int setnonblocking(int fd);
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int parse_bindconfig(const char *, struct sockaddr_in *);
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int setipaddress(struct in_addr *, char *);
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char *gw_strend(register const char *s);
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static char gw_randomchar();
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int gw_generate_random_str(char *output, int len);
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int gw_hex2bin(uint8_t *out, const char *in, unsigned int len);
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char *gw_bin2hex(char *out, const uint8_t *in, unsigned int len);
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void gw_str_xor(uint8_t *output, const uint8_t *input1, const uint8_t *input2, unsigned int len);
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void gw_sha1_str(const uint8_t *in, int in_len, uint8_t *out);
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void gw_sha1_2_str(const uint8_t *in, int in_len, const uint8_t *in2, int in2_len, uint8_t *out);
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int gw_getsockerrno(int fd);
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char *create_hex_sha1_sha1_passwd(char *passwd);
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char* trim(char *str);
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char* squeeze_whitespace(char* str);
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bool strip_escape_chars(char*);
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bool is_valid_posix_path(char* path);
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char* remove_mysql_comments(const char** src, const size_t* srcsize, char** dest,
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size_t* destsize);
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char* replace_values(const char** src, const size_t* srcsize, char** dest,
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size_t* destsize);
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char* replace_literal(char* haystack,
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const char* needle,
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const char* replacement);
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char* replace_quoted(const char** src, const size_t* srcsize, char** dest, size_t* destsize);
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bool clean_up_pathname(char *path);
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bool mxs_mkdir_all(const char *path, int mask);
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long get_processor_count();
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MXS_END_DECLS
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