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/* Copyright (C) 2003 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#ifndef ConfigInfo_H
#define ConfigInfo_H
#include <kernel_types.h>
#include <Properties.hpp>
#include <ndb_limits.h>
#include <NdbOut.hpp>
#include "InitConfigFileParser.hpp"
/**
* A MANDATORY parameters must be specified in the config file
* An UNDEFINED parameter may or may not be specified in the config file
*/
static const char* MANDATORY = (char*)~(UintPtr)0;// Default value for mandatory params.
static const char* UNDEFINED = 0; // Default value for undefined params.
/**
* @class ConfigInfo
* @brief Metainformation about ALL cluster configuration parameters
*
* Use the getters to find out metainformation about parameters.
*/
class ConfigInfo {
public:
enum Type { CI_BOOL, CI_INT, CI_INT64, CI_STRING, CI_SECTION };
enum Status { CI_USED, ///< Active
CI_DEPRICATED, ///< Can be, but shouldn't
CI_NOTIMPLEMENTED, ///< Is ignored.
CI_INTERNAL ///< Not configurable by the user
};
/**
* Entry for one configuration parameter
*/
struct ParamInfo {
Uint32 _paramId;
const char* _fname;
const char* _section;
const char* _description;
Status _status;
bool _updateable;
Type _type;
const char* _default;
const char* _min;
const char* _max;
};
struct AliasPair{
const char * name;
const char * alias;
};
/**
* Entry for one section rule
*/
struct SectionRule {
const char * m_section;
bool (* m_sectionRule)(struct InitConfigFileParser::Context &,
const char * m_ruleData);
const char * m_ruleData;
};
/**
* Entry for config rule
*/
struct ConfigRuleSection {
BaseString m_sectionType;
Properties * m_sectionData;
};
struct ConfigRule {
bool (* m_configRule)(Vector<ConfigRuleSection>&,
struct InitConfigFileParser::Context &,
const char * m_ruleData);
const char * m_ruleData;
};
ConfigInfo();
/**
* Checks if the suggested value is valid for the suggested parameter
* (i.e. if it is >= than min and <= than max).
*
* @param section Init Config file section name
* @param fname Name of parameter
* @param value Value to check
* @return true if parameter value is valid.
*
* @note Result is not defined if section/name are wrong!
*/
bool verify(const Properties* secti, const char* fname, Uint64 value) const;
const char* getAlias(const char*) const;
bool isSection(const char*) const;
const char* getDescription(const Properties * sec, const char* fname) const;
Type getType(const Properties * section, const char* fname) const;
Status getStatus(const Properties* section, const char* fname) const;
Uint64 getMin(const Properties * section, const char* fname) const;
Uint64 getMax(const Properties * section, const char* fname) const;
Uint64 getDefault(const Properties * section, const char* fname) const;
const Properties * getInfo(const char * section) const;
const Properties * getDefaults(const char * section) const;
void print() const;
void print(const char* section) const;
void print(const Properties * section, const char* parameter) const;
private:
Properties m_info;
Properties m_systemDefaults;
static const ParamInfo m_ParamInfo[];
static const int m_NoOfParams;
static const AliasPair m_sectionNameAliases[];
static const char* m_sectionNames[];
static const int m_noOfSectionNames;
public:
static const SectionRule m_SectionRules[];
static const ConfigRule m_ConfigRules[];
static const int m_NoOfRules;
};
#endif // ConfigInfo_H
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