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  • Committer: Olaf van der Spek
  • Date: 2011-03-01 11:40:52 UTC
  • mfrom: (2210 staging)
  • mto: (2212.1.2 build)
  • mto: This revision was merged to the branch mainline in revision 2213.
  • Revision ID: olafvdspek@gmail.com-20110301114052-1sqxpkhrnq5o49ns
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plugin/slave/replication_slave.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) 2011 David Shrewsbury
 
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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; either version 2 of the License, or
 
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 *  (at your option) any later version.
 
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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 <plugin/slave/replication_slave.h>
 
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#include <drizzled/program_options/config_file.h>
 
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#include <drizzled/errmsg_print.h>
 
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#include <boost/program_options.hpp>
 
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#include <fstream>
 
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using namespace std;
 
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using namespace drizzled;
 
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namespace po= boost::program_options;
 
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namespace slave
 
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{
 
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/* Gets called after all plugins are initialized. */
 
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void ReplicationSlave::startup(Session &session)
 
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{
 
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  (void)session;
 
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  if (not initWithConfig())
 
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  {
 
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    errmsg_printf(error::ERROR,
 
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                  _("Could not start slave services: %s\n"),
 
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                  getError().c_str());
 
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  }
 
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  else
 
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  {
 
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    _consumer_thread= boost::thread(&QueueConsumer::run, &_consumer);
 
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    _producer_thread= boost::thread(&QueueProducer::run, &_producer);
 
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  }
 
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}
 
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bool ReplicationSlave::initWithConfig()
 
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{
 
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  po::variables_map vm;
 
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  po::options_description slave_options("Options for the slave plugin");
 
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  slave_options.add_options()
 
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    ("master-host", po::value<string>()->default_value(""))
 
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    ("master-port", po::value<uint16_t>()->default_value(3306))
 
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    ("master-user", po::value<string>()->default_value(""))
 
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    ("master-pass", po::value<string>()->default_value(""))
 
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    ("max-reconnects", po::value<uint32_t>()->default_value(10))
 
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    ("seconds-between-reconnects", po::value<uint32_t>()->default_value(30))
 
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    ("io-thread-sleep", po::value<uint32_t>()->default_value(5))
 
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    ("applier-thread-sleep", po::value<uint32_t>()->default_value(5));
 
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  ifstream cf_stream(_config_file.c_str());
 
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  po::store(drizzled::program_options::parse_config_file(cf_stream, slave_options), vm);
 
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  po::notify(vm);
 
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  if (vm.count("master-host"))
 
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    _producer.setMasterHost(vm["master-host"].as<string>());
 
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  if (vm.count("master-port"))
 
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    _producer.setMasterPort(vm["master-port"].as<uint16_t>());
 
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  if (vm.count("master-user"))
 
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    _producer.setMasterUser(vm["master-user"].as<string>());
 
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  if (vm.count("master-pass"))
 
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    _producer.setMasterPassword(vm["master-pass"].as<string>());
 
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  if (vm.count("max-reconnects"))
 
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    _producer.setMaxReconnectAttempts(vm["max-reconnects"].as<uint32_t>());
 
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  if (vm.count("seconds-between-reconnects"))
 
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    _producer.setSecondsBetweenReconnects(vm["seconds-between-reconnects"].as<uint32_t>());
 
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  if (vm.count("io-thread-sleep"))
 
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    _producer.setSleepInterval(vm["io-thread-sleep"].as<uint32_t>());
 
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  if (vm.count("applier-thread-sleep"))
 
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    _consumer.setSleepInterval(vm["applier-thread-sleep"].as<uint32_t>());
 
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  /* setup schema and tables */
 
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  ReplicationSchema rs;
 
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  if (not rs.create())
 
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  {
 
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    _error= rs.getErrorMessage();
 
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    return false;
 
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  }
 
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  return true;
 
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}
 
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} /* namespace slave */