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// Copyright (C) 2014-2015,2021 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 DHCP6_MESSAGE_TEST_H
#define DHCP6_MESSAGE_TEST_H
#include <asiolink/io_address.h>
#include <dhcp/tests/iface_mgr_test_config.h>
#include <dhcp6/tests/dhcp6_client.h>
#include <dhcp6/tests/dhcp6_test_utils.h>
namespace isc {
namespace dhcp {
namespace test {
/// @brief Base class for test fixture classes used to validate the DHCPv6
/// message processing by the server.
class Dhcpv6MessageTest : public Dhcpv6SrvTest {
public:
/// @brief Constructor.
///
/// Sets up interfaces.
Dhcpv6MessageTest();
/// @brief Increases last byte of the address.
///
/// This function is helpful to find a different address that is within
/// the same subnet as the input address. It is achieved by increasing
/// the last byte of the input address by one.
///
/// @param input_addr An input address.
///
/// @return New address.
asiolink::IOAddress bumpAddress(const asiolink::IOAddress& input_addr);
/// @brief Increases specific byte in the address by one.
///
/// This function is called by @c bumpAddress and @c bumpSubnet.
///
/// @warning This function is no-op if the byte index is out of range.
///
/// @param input_addr An input address
/// @param byte_num An index of the byte which value should be increased..
///
/// @return New address.
asiolink::IOAddress bumpByteInAddress(const asiolink::IOAddress& input_addr,
const size_t byte_num);
/// @brief Increases the first byte of the address.
///
/// This function is helpful to find an address which belongs to the
/// different subnet than the input address. It is achieved by increasing
/// the first byte of the input address.
///
/// @param input_addr An input addres.
///
/// @return New address.
asiolink::IOAddress bumpSubnet(const asiolink::IOAddress& input_addr);
/// @brief Make 4-way exchange to obtain a lease.
///
/// @param config Configuration in the JSON format to be applied before the
/// lease is requested..
/// @param subnets_num Number of subnets being created with the specified
/// configuration.
/// @param client Object representing a test DHCPv6 client to use.
void requestLease(const std::string& config, const int subnets_num,
Dhcp6Client& client);
protected:
/// @brief Interface Manager's fake configuration control.
IfaceMgrTestConfig iface_mgr_test_config_;
};
} // isc::dhcp::test
} // isc::dhcp
} // isc
#endif // DHCP6_MESSAGE_TEST_H
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