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// server_parameters.cpp
/**
* Copyright (C) 2012 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "mongo/pch.h"
#include "mongo/base/parse_number.h"
#include "mongo/db/server_parameters.h"
namespace mongo {
namespace {
ServerParameterSet* GLOBAL = NULL;
}
ServerParameter::ServerParameter( ServerParameterSet* sps, const std::string& name,
bool allowedToChangeAtStartup, bool allowedToChangeAtRuntime )
: _name( name ),
_allowedToChangeAtStartup( allowedToChangeAtStartup ),
_allowedToChangeAtRuntime( allowedToChangeAtRuntime ) {
if ( sps ) {
sps->add( this );
}
}
ServerParameter::ServerParameter( ServerParameterSet* sps, const std::string& name )
: _name( name ),
_allowedToChangeAtStartup( true ),
_allowedToChangeAtRuntime( true ) {
if ( sps ) {
sps->add( this );
}
}
ServerParameter::~ServerParameter() {
}
ServerParameterSet* ServerParameterSet::getGlobal() {
if ( !GLOBAL ) {
GLOBAL = new ServerParameterSet();
}
return GLOBAL;
}
void ServerParameterSet::add( ServerParameter* sp ) {
ServerParameter*& x = _map[sp->name()];
if ( x ) abort();
x = sp;
}
template <typename T>
Status ExportedServerParameter<T>::setFromString( const string& str ) {
T value;
Status status = parseNumberFromString( str, &value );
if ( !status.isOK() )
return status;
return set( value );
}
template Status ExportedServerParameter<int>::setFromString( const string& str );
template Status ExportedServerParameter<long long>::setFromString( const string& str );
template Status ExportedServerParameter<double>::setFromString( const string& str );
template<>
Status ExportedServerParameter<string>::setFromString( const string& str ) {
return set( str );
}
template<>
Status ExportedServerParameter<bool>::setFromString( const string& str ) {
if ( str == "true" ||
str == "1" )
return set(true);
if ( str == "false" ||
str == "0" )
return set(false);
return Status( ErrorCodes::BadValue, "can't convert string to bool" );
}
template<>
Status ExportedServerParameter< vector<string> >::setFromString( const string& str ) {
vector<string> v;
splitStringDelim( str, &v, ',' );
return set( v );
}
} // namespace mongo
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