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/* - 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/sql_state.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 <sys/un.h>
#include "plugin/mysql_unix_socket_protocol/protocol.h"
#define DRIZZLE_UNIX_SOCKET_PATH "/tmp/mysql.socket"
static std::string unix_socket_path(DRIZZLE_UNIX_SOCKET_PATH);
namespace po= boost::program_options;
using namespace drizzled;
using namespace std;
namespace mysql_unix_socket_protocol
{
Protocol::~Protocol()
{
}
const char* Protocol::getHost(void) const
{
return DRIZZLE_UNIX_SOCKET_PATH;
}
in_port_t Protocol::getPort(void) const
{
return 0;
}
static int init(drizzled::module::Context &context)
{
const module::option_map &vm= context.getOptions();
if (vm.count("path"))
{
unix_socket_path.clear();
unix_socket_path.append(vm["path"].as<string>());
}
context.add(new Protocol("mysql_unix_socket_protocol", true));
return 0;
}
bool Protocol::getFileDescriptors(std::vector<int> &fds)
{
struct sockaddr_un servAddr;
socklen_t addrlen;
int unix_sock;
if ((unix_sock= socket(AF_UNIX, SOCK_STREAM, 0)) < 0)
{
std::cerr << "Can't start server : UNIX Socket";
return false;
}
memset(&servAddr, 0, sizeof(servAddr));
servAddr.sun_family= AF_UNIX;
strcpy(servAddr.sun_path, unix_socket_path.c_str());
(void) unlink(unix_socket_path.c_str());
int arg= 1;
(void) setsockopt(unix_sock, SOL_SOCKET, SO_REUSEADDR, (char*)&arg, sizeof(arg));
addrlen= sizeof(servAddr);
if (::bind(unix_sock, reinterpret_cast<sockaddr *>(&servAddr), addrlen) < 0)
{
std::cerr << "Can't start server : Bind on unix socket\n";
std::cerr << "Do you already have another of drizzled or mysqld running on socket: " << unix_socket_path << "?\n";
std::cerr << "Can't start server : UNIX Socket";
return false;
}
if (listen(unix_sock,(int) 1000) < 0)
{
std::cerr << "listen() on Unix socket failed with error " << errno << "\n";
}
else
{
std::cerr << "Listening on " << unix_socket_path.c_str() << "\n";
}
fds.push_back(unix_sock);
return false;
}
static void init_options(drizzled::module::option_context &context)
{
context("path",
po::value<string>()->default_value(unix_socket_path),
N_("Path used for MySQL UNIX Socket Protocol."));
}
static drizzle_sys_var* sys_variables[]= {
NULL
};
} /* namespace mysql_unix_socket_protocol */
DRIZZLE_PLUGIN(mysql_unix_socket_protocol::init, mysql_unix_socket_protocol::sys_variables, mysql_unix_socket_protocol::init_options);
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