~drizzle-trunk/drizzle/development

/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-

 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:

 *

 *  Copyright (C) 2010 Mark Atwood

 *

 *  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; version 2 of the License.

 *

 *  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 <drizzled/plugin.h>

#include <drizzled/plugin/logging.h>

#include <drizzled/plugin/error_message.h>

#include <drizzled/plugin/function.h>

#include "wrap.h"

#include "logging.h"

#include "errmsg.h"

#include "function.h"

#include <iostream>

#include <boost/program_options.hpp>

#include <drizzled/module/option_map.h>

namespace po= boost::program_options;

using namespace std;

using namespace drizzled;

namespace drizzle_plugin

{

bool sysvar_logging_enable= false;

bool sysvar_errmsg_enable= false;

uint64_constraint sysvar_logging_threshold_slow;

uint64_constraint sysvar_logging_threshold_big_resultset;

uint64_constraint sysvar_logging_threshold_big_examined;

static int init(drizzled::module::Context &context)

{

  const module::option_map &vm= context.getOptions();

  WrapSyslog::singleton().openlog(vm["ident"].as<string>());

  if (sysvar_errmsg_enable)

  {

    context.add(new error_message::Syslog(vm["facility"].as<string>(),

                                          vm["errmsg-priority"].as<string>()));

  }

  if (sysvar_logging_enable)

  {

    context.add(new logging::Syslog(vm["facility"].as<string>(),

                                    vm["logging-priority"].as<string>(),

                                    sysvar_logging_threshold_slow.get(),

                                    sysvar_logging_threshold_big_resultset.get(),

                                    sysvar_logging_threshold_big_examined.get()));

  }

  context.add(new plugin::Create_function<udf::Syslog>("syslog"));

  context.registerVariable(new sys_var_const_string_val("facility",

                                                        vm["facility"].as<string>()));

  context.registerVariable(new sys_var_const_string_val("errmsg_priority",

                                                        vm["errmsg-priority"].as<string>()));

  context.registerVariable(new sys_var_const_string_val("logging_priority",

                                                        vm["logging-priority"].as<string>()));

  context.registerVariable(new sys_var_bool_ptr_readonly("logging_enable",

                                                         &sysvar_logging_enable));

  context.registerVariable(new sys_var_bool_ptr_readonly("errmsg_enable",

                                                         &sysvar_errmsg_enable));

  context.registerVariable(new sys_var_constrained_value_readonly<uint64_t>("logging_threshold_slow",

                                                                            sysvar_logging_threshold_slow));

  context.registerVariable(new sys_var_constrained_value_readonly<uint64_t>("logging_threshold_big_resultset",

                                                                            sysvar_logging_threshold_big_resultset));

  context.registerVariable(new sys_var_constrained_value_readonly<uint64_t>("logging_threshold_big_examined",

                                                                            sysvar_logging_threshold_big_examined));

  return 0;

}

static void init_options(drizzled::module::option_context &context)

{

  context("ident",

          po::value<string>()->default_value("drizzled"),

          N_("Syslog Ident"));

  context("facility",

          po::value<string>()->default_value("local0"),

          N_("Syslog Facility"));

  context("logging-enable",

          po::value<bool>(&sysvar_logging_enable)->default_value(false)->zero_tokens(),

          N_("Enable logging to syslog of the query log"));

  context("logging-priority",

          po::value<string>()->default_value("warning"),

          N_("Syslog Priority of query logging"));

  context("logging-threshold-slow",

          po::value<uint64_constraint>(&sysvar_logging_threshold_slow)->default_value(0),

          N_("Threshold for logging slow queries, in microseconds"));

  context("logging-threshold-big-resultset",

          po::value<uint64_constraint>(&sysvar_logging_threshold_big_resultset)->default_value(0),

          N_("Threshold for logging big queries, for rows returned"));

  context("logging-threshold-big-examined",

          po::value<uint64_constraint>(&sysvar_logging_threshold_big_examined)->default_value(0),

          N_("Threshold for logging big queries, for rows examined"));

  context("errmsg-enable",

          po::value<bool>(&sysvar_errmsg_enable)->default_value(false)->zero_tokens(),

          N_("Enable logging to syslog of the error messages"));

  context("errmsg-priority",

          po::value<string>()->default_value("warning"),

          N_("Syslog Priority of error messages"));

}

} /* namespace drizzle_plugin */

DRIZZLE_PLUGIN(drizzle_plugin::init, NULL, drizzle_plugin::init_options);