io_acceptor.h

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// Copyright (C) 2017-2018 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

#ifndef IO_ACCEPTOR_H
#define IO_ACCEPTOR_H

#ifndef BOOST_ASIO_HPP
#error "asio.hpp must be included before including this, see asiolink.h as to why"
#endif

#include <asiolink/io_service.h>
#include <asiolink/io_socket.h>

namespace isc {
namespace asiolink {

template<typename ProtocolType, typename CallbackType>
class IOAcceptor : public IOSocket {
public:

    explicit IOAcceptor(IOService& io_service)
        : IOSocket(),
          acceptor_(new typename ProtocolType::acceptor(io_service.get_io_service())) {
    }

    virtual ~IOAcceptor() { }

    virtual int getNative() const {
#if BOOST_VERSION < 106600
        return (acceptor_->native());
#else
        return (acceptor_->native_handle());
#endif
    }

    template<typename EndpointType>
    void open(const EndpointType& endpoint) {
        acceptor_->open(endpoint.getASIOEndpoint().protocol());
    }

    template<typename EndpointType>
    void bind(const EndpointType& endpoint) {
        acceptor_->bind(endpoint.getASIOEndpoint());
    }

    template<typename SettableSocketOption>
    void setOption(const SettableSocketOption& socket_option) {
        acceptor_->set_option(socket_option);
    }

    void listen() {
        acceptor_->listen();
    }

    bool isOpen() const {
        return (acceptor_->is_open());
    }

    void close() const {
        acceptor_->close();
    }

protected:

    template<typename SocketType>
    void asyncAcceptInternal(const SocketType& socket,
                             const CallbackType& callback) {
        acceptor_->async_accept(socket.getASIOSocket(), callback);
    }


    boost::shared_ptr<typename ProtocolType::acceptor> acceptor_;

};


} // end of namespace asiolink
} // end of isc

#endif // IO_ACCEPTOR_H