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// Copyright (C) 2015-2019 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 DHCP6TO4_IPC_H
#define DHCP6TO4_IPC_H
/// @file dhcp6to4_ipc.h Defines the Dhcp6to4Ipc class.
/// This file defines the class Kea uses to act as the DHCPv6 server
/// side of DHCPv4-over-DHCPv6 communication between servers.
///
#include <dhcpsrv/dhcp4o6_ipc.h>
#include <boost/shared_ptr.hpp>
namespace isc {
namespace dhcp {
/// @brief Handles DHCPv4-over-DHCPv6 IPC on the DHCPv6 server side
class Dhcp6to4Ipc : public Dhcp4o6IpcBase {
protected:
/// @brief Constructor
///
/// Default constructor
Dhcp6to4Ipc();
/// @brief Destructor.
virtual ~Dhcp6to4Ipc() { }
public:
/// @brief Returns pointer to the sole instance of Dhcp6to4Ipc
///
/// Dhcp6to4Ipc is a singleton class
///
/// @return the only existing instance of DHCP4o6 IPC
static Dhcp6to4Ipc& instance();
/// @brief Open communication socket
///
/// Call base open method and sets the handler/callback when needed
virtual void open();
/// @brief On receive handler
///
/// The handler sends the DHCPv6 packet back to the remote address
static void handler(int /* fd */);
/// @param client_port UDP port where all responses are sent to.
/// Not zero is mostly useful for testing purposes.
static uint16_t client_port;
};
} // namespace isc
} // namespace dhcp
#endif
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