Monitor API 2.0.0 implemented.
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server/include/maxconfig.h
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145
server/include/maxconfig.h
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#ifndef _MAXSCALE_CONFIG_H
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#define _MAXSCALE_CONFIG_H
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/*
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* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
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* software: you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation,
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* version 2.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 51
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* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Copyright MariaDB Corporation Ab 2013-2014
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*/
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#include <skygw_utils.h>
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#include <stdint.h>
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#include <openssl/sha.h>
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/**
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* @file config.h The configuration handling elements
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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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* 21/06/13 Mark Riddoch Initial implementation
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* 07/05/14 Massimiliano Pinto Added version_string to global configuration
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* 23/05/14 Massimiliano Pinto Added id to global configuration
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* 17/10/14 Mark Riddoch Added poll tuning configuration parameters
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* 05/03/15 Massimiliano Pinto Added sysname, release, sha1_mac to gateway struct
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*
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* @endverbatim
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*/
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#define DEFAULT_NBPOLLS 3 /**< Default number of non block polls before we block */
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#define DEFAULT_POLLSLEEP 1000 /**< Default poll wait time (milliseconds) */
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#define _SYSNAME_STR_LENGTH 256 /**< sysname len */
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#define _RELEASE_STR_LENGTH 256 /**< release len */
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/**
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* Maximum length for configuration parameter value.
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*/
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enum {MAX_PARAM_LEN=256};
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typedef enum {
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UNDEFINED_TYPE = 0x00,
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STRING_TYPE = 0x01,
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COUNT_TYPE = 0x02,
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PERCENT_TYPE = 0x04,
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BOOL_TYPE = 0x08,
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SQLVAR_TARGET_TYPE = 0x10
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} config_param_type_t;
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typedef enum {
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TYPE_UNDEFINED = 0,
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TYPE_MASTER,
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TYPE_ALL
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} target_t;
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enum {MAX_RLAG_NOT_AVAILABLE=-1, MAX_RLAG_UNDEFINED=-2};
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#define PARAM_IS_TYPE(p,t) ((p) & (t))
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/**
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* The config parameter
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*/
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typedef struct config_parameter {
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char *name; /**< The name of the parameter */
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char *value; /**< The value of the parameter */
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union { /*< qualified parameter value by type */
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char* valstr; /*< terminated char* array */
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int valcount; /*< int */
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int valpercent; /*< int */
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bool valbool; /*< bool */
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target_t valtarget; /*< sql variable route target */
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} qfd;
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config_param_type_t qfd_param_type;
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struct config_parameter *next; /**< Next pointer in the linked list */
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} CONFIG_PARAMETER;
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/**
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* The config context structure, used to build the configuration
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* data during the parse process
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*/
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typedef struct config_context {
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char *object; /**< The name of the object being configured */
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CONFIG_PARAMETER *parameters; /**< The list of parameter values */
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void *element; /**< The element created from the data */
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struct config_context *next; /**< Next pointer in the linked list */
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} CONFIG_CONTEXT;
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/**
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* The gateway global configuration data
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*/
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typedef struct {
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int n_threads; /**< Number of polling threads */
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char *version_string; /**< The version string of embedded database library */
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char release_string[_SYSNAME_STR_LENGTH]; /**< The release name string of the system */
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char sysname[_SYSNAME_STR_LENGTH]; /**< The release name string of the system */
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uint8_t mac_sha1[SHA_DIGEST_LENGTH]; /*< The SHA1 digest of an interface MAC address */
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unsigned long id; /**< MaxScale ID */
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unsigned int n_nbpoll; /**< Tune number of non-blocking polls */
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unsigned int pollsleep; /**< Wait time in blocking polls */
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} GATEWAY_CONF;
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extern int config_load(char *);
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extern int config_reload();
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extern int config_threadcount();
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extern unsigned int config_nbpolls();
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extern unsigned int config_pollsleep();
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CONFIG_PARAMETER* config_get_param(CONFIG_PARAMETER* params, const char* name);
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config_param_type_t config_get_paramtype(CONFIG_PARAMETER* param);
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CONFIG_PARAMETER* config_clone_param(CONFIG_PARAMETER* param);
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extern int config_truth_value(char *);
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bool config_set_qualified_param(
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CONFIG_PARAMETER* param,
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void* val,
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config_param_type_t type);
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bool config_get_valint(
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int* val,
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CONFIG_PARAMETER* param,
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const char* name, /*< if NULL examine current param only */
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config_param_type_t ptype);
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bool config_get_valbool(
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bool* val,
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CONFIG_PARAMETER* param,
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const char* name, /*< if NULL examine current param only */
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config_param_type_t ptype);
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bool config_get_valtarget(
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target_t* val,
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CONFIG_PARAMETER* param,
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const char* name, /*< if NULL examine current param only */
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config_param_type_t ptype);
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void config_enable_feedback_task(void);
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void config_disable_feedback_task(void);
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unsigned long config_get_gateway_id(void);
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#endif
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