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// Copyright (C) 2015-2016 Internet Systems Consortium, Inc. ("ISC")
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
// PERFORMANCE OF THIS SOFTWARE.
#ifndef DHCP4O6_IPC_H
#define DHCP4O6_IPC_H
/// @file dhcp4o6_ipc.h Defines the Dhcp4o6IpcBase class.
/// This file defines the class Kea uses as a base for
/// DHCPv4-over-DHCPv6 communication between servers.
///
#include <dhcp/pkt6.h>
#include <boost/noncopyable.hpp>
#include <stdint.h>
namespace isc {
namespace dhcp {
/// @brief
///
class Dhcp4o6IpcBase : public boost::noncopyable {
protected:
/// @brief Constructor
///
/// Default constructor
Dhcp4o6IpcBase();
/// @brief Destructor.
virtual ~Dhcp4o6IpcBase();
/// @brief Open communication socket (from base class)
///
/// @param port port number to use (0 for disabled)
/// @param side side of the server (4 or 6)
///
/// @return new socket descriptor
int open(uint16_t port, int side);
public:
/// @brief Open communication socket (for derived classes)
virtual void open() = 0;
/// @brief Close communication socket
void close();
/// @brief Receive IPC message
///
/// @return a pointer to a DHCPv6 message with interface and remote
/// address set from the IPC message
Pkt6Ptr receive();
/// @brief Send IPC message
///
/// @param a pointer to a DHCPv6 message with interface and remote
/// address set for the IPC message
void send(Pkt6Ptr pkt);
protected:
/// @brief Port number
uint16_t port_;
/// @brief Socket descriptor
int socket_fd_;
};
} // namespace isc
} // namespace dhcp
#endif
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