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