~drizzle-trunk/drizzle/development

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

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

 *

 *  Copyright (C) 2010 Brian Aker

 *

 *  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 <drizzled/gettext.h>

#include <drizzled/error.h>

#include <drizzled/query_id.h>

#include <drizzled/session.h>

#include <drizzled/internal/my_sys.h>

#include <drizzled/internal/m_string.h>

#include <algorithm>

#include <iostream>

#include <boost/program_options.hpp>

#include <drizzled/module/option_map.h>

#include <drizzled/util/tokenize.h>

#include "drizzle_protocol.h"

namespace po= boost::program_options;

using namespace drizzled;

using namespace std;

namespace drizzle_plugin {

namespace drizzle_protocol {

static port_constraint port;

static timeout_constraint connect_timeout;

static timeout_constraint read_timeout;

static timeout_constraint write_timeout;

static retry_constraint retry_count;

static buffer_constraint buffer_length;

static const uint32_t DRIZZLE_TCP_PORT= 4427;

ProtocolCounters ListenDrizzleProtocol::drizzle_counters;

in_port_t ListenDrizzleProtocol::getPort() const

{

  return port;

}

plugin::Client *ListenDrizzleProtocol::getClient(int fd)

{

  int new_fd= acceptTcp(fd);

  return new_fd == -1 ? NULL : new ClientMySQLProtocol(new_fd, getCounters());

}

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

{  

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

  ListenDrizzleProtocol *protocol=new ListenDrizzleProtocol("drizzle_protocol", vm["bind-address"].as<std::string>());

  protocol->addCountersToTable();

  context.add(protocol);

  context.registerVariable(new sys_var_constrained_value_readonly<in_port_t>("port", port));

  context.registerVariable(new sys_var_constrained_value_readonly<uint32_t>("connect_timeout", connect_timeout));

  context.registerVariable(new sys_var_constrained_value_readonly<uint32_t>("read_timeout", read_timeout));

  context.registerVariable(new sys_var_constrained_value_readonly<uint32_t>("write_timeout", write_timeout));

  context.registerVariable(new sys_var_constrained_value_readonly<uint32_t>("retry_count", retry_count));

  context.registerVariable(new sys_var_constrained_value_readonly<uint32_t>("buffer_length", buffer_length));

  context.registerVariable(new sys_var_const_string_val("bind_address", vm["bind-address"].as<std::string>()));

  context.registerVariable(new sys_var_uint32_t_ptr("max-connections", &ListenDrizzleProtocol::drizzle_counters.max_connections));

  return 0;

}

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

{

  context("port",

          po::value<port_constraint>(&port)->default_value(DRIZZLE_TCP_PORT),

          N_("Port number to use for connection or 0 for default to with Drizzle/MySQL protocol."));

  context("connect-timeout",

          po::value<timeout_constraint>(&connect_timeout)->default_value(10),

          N_("Connect Timeout."));

  context("read-timeout",

          po::value<timeout_constraint>(&read_timeout)->default_value(30),

          N_("Read Timeout."));

  context("write-timeout",

          po::value<timeout_constraint>(&write_timeout)->default_value(60),

          N_("Write Timeout."));

  context("retry-count",

          po::value<retry_constraint>(&retry_count)->default_value(10),

          N_("Retry Count."));

  context("buffer-length",

          po::value<buffer_constraint>(&buffer_length)->default_value(16384),

          N_("Buffer length."));

  context("bind-address",

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

          N_("Address to bind to."));

  context("max-connections",

          po::value<uint32_t>(&ListenDrizzleProtocol::drizzle_counters.max_connections)->default_value(1000),

          N_("Maximum simultaneous connections."));

}

} /* namespace drizzle_protocol */

} /* namespace drizzle_plugin */

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