SocketCloser.h

/*
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 * SocketCloser.h
 * Close a socket when the object goes out of scope.
 * Copyright (C) 2013 Simon Newton
 */

#ifndef INCLUDE_OLA_NETWORK_SOCKETCLOSER_H_
#define INCLUDE_OLA_NETWORK_SOCKETCLOSER_H_

#include <unistd.h>

namespace ola {
namespace network {

class SocketCloser {
 public:
 explicit SocketCloser(int fd)
 : m_fd(fd) {
 }
 ~SocketCloser() {
 if (m_fd >= 0)
 close(m_fd);
 }

 int Release() {
 int fd = m_fd;
 m_fd = -1;
 return fd;
 }
 private:
 int m_fd;
};
} // namespace network
} // namespace ola
#endif // INCLUDE_OLA_NETWORK_SOCKETCLOSER_H_