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  • Committer: Olaf van der Spek
  • Date: 2011-02-12 18:24:24 UTC
  • mto: (2167.1.2 build) (2172.1.4 build)
  • mto: This revision was merged to the branch mainline in revision 2168.
  • Revision ID: olafvdspek@gmail.com-20110212182424-kgnm9osi7qo97at2
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plugin/syslog/module.cc
 
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
 
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 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
 
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 *
 
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 *  Copyright (C) 2010 Mark Atwood
 
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 *
 
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 *  This program is free software; you can redistribute it and/or modify
 
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 *  it under the terms of the GNU General Public License as published by
 
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 *  the Free Software Foundation; version 2 of the License.
 
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 *
 
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 *  This program is distributed in the hope that it will be useful,
 
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 *  GNU General Public License for more details.
 
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 *
 
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 *  You should have received a copy of the GNU General Public License
 
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 *  along with this program; if not, write to the Free Software
 
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
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 */
 
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#include "config.h"
 
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#include <drizzled/plugin.h>
 
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#include <drizzled/plugin/logging.h>
 
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#include <drizzled/plugin/error_message.h>
 
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#include <drizzled/plugin/function.h>
 
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#include "wrap.h"
 
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#include "logging.h"
 
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#include "errmsg.h"
 
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#include "function.h"
 
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#include <iostream>
 
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#include <boost/program_options.hpp>
 
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#include <drizzled/module/option_map.h>
 
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namespace po= boost::program_options;
 
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using namespace std;
 
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using namespace drizzled;
 
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namespace drizzle_plugin
 
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{
 
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bool sysvar_logging_enable= false;
 
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bool sysvar_errmsg_enable= false;
 
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uint64_constraint sysvar_logging_threshold_slow;
 
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uint64_constraint sysvar_logging_threshold_big_resultset;
 
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uint64_constraint sysvar_logging_threshold_big_examined;
 
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static int init(drizzled::module::Context &context)
 
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{
 
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  const module::option_map &vm= context.getOptions();
 
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  WrapSyslog::singleton().openlog(vm["ident"].as<string>());
 
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  if (sysvar_errmsg_enable)
 
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  {
 
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    context.add(new error_message::Syslog(vm["facility"].as<string>(),
 
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                                          vm["errmsg-priority"].as<string>()));
 
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  }
 
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  if (sysvar_logging_enable)
 
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  {
 
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    context.add(new logging::Syslog(vm["facility"].as<string>(),
 
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                                    vm["logging-priority"].as<string>(),
 
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                                    sysvar_logging_threshold_slow.get(),
 
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                                    sysvar_logging_threshold_big_resultset.get(),
 
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                                    sysvar_logging_threshold_big_examined.get()));
 
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  }
 
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  context.add(new plugin::Create_function<udf::Syslog>("syslog"));
 
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  context.registerVariable(new sys_var_const_string_val("facility",
 
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                                                        vm["facility"].as<string>()));
 
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  context.registerVariable(new sys_var_const_string_val("errmsg_priority",
 
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                                                        vm["errmsg-priority"].as<string>()));
 
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  context.registerVariable(new sys_var_const_string_val("logging_priority",
 
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                                                        vm["logging-priority"].as<string>()));
 
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  context.registerVariable(new sys_var_bool_ptr_readonly("logging_enable",
 
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                                                         &sysvar_logging_enable));
 
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  context.registerVariable(new sys_var_bool_ptr_readonly("errmsg_enable",
 
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                                                         &sysvar_errmsg_enable));
 
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  context.registerVariable(new sys_var_constrained_value_readonly<uint64_t>("logging_threshold_slow",
 
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                                                                            sysvar_logging_threshold_slow));
 
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  context.registerVariable(new sys_var_constrained_value_readonly<uint64_t>("logging_threshold_big_resultset",
 
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                                                                            sysvar_logging_threshold_big_resultset));
 
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  context.registerVariable(new sys_var_constrained_value_readonly<uint64_t>("logging_threshold_big_examined",
 
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                                                                            sysvar_logging_threshold_big_examined));
 
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  return 0;
 
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}
 
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static void init_options(drizzled::module::option_context &context)
 
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{
 
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  context("ident",
 
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          po::value<string>()->default_value("drizzled"),
 
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          _("Syslog Ident"));
 
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  context("facility",
 
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          po::value<string>()->default_value("local0"),
 
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          _("Syslog Facility"));
 
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  context("logging-enable",
 
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          po::value<bool>(&sysvar_logging_enable)->default_value(false)->zero_tokens(),
 
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          _("Enable logging to syslog of the query log"));
 
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  context("logging-priority",
 
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          po::value<string>()->default_value("warning"),
 
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          _("Syslog Priority of query logging"));
 
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  context("logging-threshold-slow",
 
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          po::value<uint64_constraint>(&sysvar_logging_threshold_slow)->default_value(0),
 
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          _("Threshold for logging slow queries, in microseconds"));
 
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  context("logging-threshold-big-resultset",
 
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          po::value<uint64_constraint>(&sysvar_logging_threshold_big_resultset)->default_value(0),
 
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          _("Threshold for logging big queries, for rows returned"));
 
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  context("logging-threshold-big-examined",
 
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          po::value<uint64_constraint>(&sysvar_logging_threshold_big_examined)->default_value(0),
 
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          _("Threshold for logging big queries, for rows examined"));
 
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  context("errmsg-enable",
 
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          po::value<bool>(&sysvar_errmsg_enable)->default_value(false)->zero_tokens(),
 
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          _("Enable logging to syslog of the error messages"));
 
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  context("errmsg-priority",
 
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          po::value<string>()->default_value("warning"),
 
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          _("Syslog Priority of error messages"));
 
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}
 
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} /* namespace drizzle_plugin */
 
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DRIZZLE_PLUGIN(drizzle_plugin::init, NULL, drizzle_plugin::init_options);