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/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2010 Sun Microsystems, Inc.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <config.h>
#include <plugin/status_dictionary/dictionary.h>
#include <drizzled/pthread_globals.h>
#include <drizzled/internal/m_string.h>
#include <drizzled/definitions.h>
#include <drizzled/status_helper.h>
#include <drizzled/sql_lex.h>
#include <drizzled/catalog/instance.h>
#include <vector>
#include <string>
#include <sstream>
using namespace std;
using namespace drizzled;
StateTool::StateTool(const char *arg, bool global) :
plugin::TableFunction("DATA_DICTIONARY", arg),
option_type(global ? OPT_GLOBAL : OPT_SESSION)
{
add_field("VARIABLE_NAME");
add_field("VARIABLE_VALUE", 1024);
}
StateTool::Generator::Generator(Field **arg, sql_var_t option_arg, drizzle_show_var *variables_args) :
plugin::TableFunction::Generator(arg),
option_type(option_arg),
variables(variables_args)
{
}
bool StateTool::Generator::populate()
{
while (variables && variables->name)
{
drizzle_show_var *var;
MY_ALIGNED_BYTE_ARRAY(buff_data, SHOW_VAR_FUNC_BUFF_SIZE, int64_t);
char* buff= (char *) &buff_data;
/*
if var->type is SHOW_FUNC, call the function.
Repeat as necessary, if new var is again SHOW_FUNC
*/
{
drizzle_show_var tmp;
for (var= variables; var->type == SHOW_FUNC; var= &tmp)
((drizzle_show_var_func)((st_show_var_func_container *)var->value)->func)(&tmp, buff);
}
if (isWild(variables->name))
{
variables++;
continue;
}
fill(variables->name, var->value, var->type);
variables++;
return true;
}
return false;
}
void StateTool::Generator::fill(const std::string &name, const char *value, SHOW_TYPE show_type)
{
boost::mutex::scoped_lock lock(getSession().catalog().systemVariableLock());
if (show_type == SHOW_SYS)
{
show_type= ((sys_var*) value)->show_type();
value= (const char*) ((sys_var*) value)->value_ptr(&(getSession()), option_type);
}
std::string return_value= StatusHelper::fillHelper(NULL, value, show_type);
push(name);
push(return_value.empty() ? " " : return_value);
}
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