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278 | // Copyright (C) 2023 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/.
#include <config.h>
#include <asiolink/io_address.h>
#include <dhcpsrv/flq_allocation_state.h>
#include <dhcpsrv/lease.h>
#include <dhcpsrv/pool.h>
#include <testutils/multi_threading_utils.h>
#include <boost/make_shared.hpp><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
#include <gtest/gtest.h><--- Include file: not found. Please note: Cppcheck does not need standard library headers to get proper results.
using namespace isc;
using namespace isc::asiolink;
using namespace isc::dhcp;
using namespace isc::test;
namespace {
// Test creating a new free lease queue allocation state for an IPv4
// address pool.
TEST(PoolFreeLeaseAllocationState, createV4) {
auto pool = boost::make_shared<Pool4>(IOAddress("192.0.2.1"), IOAddress("192.0.2.10"));
auto state = PoolFreeLeaseQueueAllocationState::create(pool);
ASSERT_TRUE(state);
EXPECT_TRUE(state->exhausted());
}
// Test adding and deleting free IPv4 leases.
TEST(PoolFreeLeaseAllocationState, addDeleteFreeLeaseV4) {<--- syntax error
auto pool = boost::make_shared<Pool4>(IOAddress("192.0.2.1"), IOAddress("192.0.2.10"));
auto state = PoolFreeLeaseQueueAllocationState::create(pool);
ASSERT_TRUE(state);
// A new state lacks free leases until we add them.
EXPECT_EQ(0, state->getFreeLeaseCount());
// Add the first free lease. The pool should now have one free lease
// that is always offered.
state->addFreeLease(IOAddress("192.0.2.1"));
EXPECT_FALSE(state->exhausted());
EXPECT_EQ(1, state->getFreeLeaseCount());
// The same lease is always offered.
EXPECT_EQ("192.0.2.1", state->offerFreeLease().toText());
EXPECT_EQ("192.0.2.1", state->offerFreeLease().toText());
// Add another free lease. We should now have two free leases.
state->addFreeLease(IOAddress("192.0.2.3"));
EXPECT_FALSE(state->exhausted());
EXPECT_EQ(2, state->getFreeLeaseCount());
// The new free lease is appended at the end of the queue. Thus, our
// first lease should be offered now.
EXPECT_EQ("192.0.2.1", state->offerFreeLease().toText());
// Now, the second lease should be offered.
EXPECT_EQ("192.0.2.3", state->offerFreeLease().toText());
// Try to delete a non-existing lease. It should not affect the
// existing leases.
state->deleteFreeLease(IOAddress("192.0.2.2"));
EXPECT_FALSE(state->exhausted());
EXPECT_EQ(2, state->getFreeLeaseCount());
EXPECT_EQ("192.0.2.1", state->offerFreeLease().toText());
EXPECT_EQ("192.0.2.3", state->offerFreeLease().toText());
// Delete one of the free leases.
state->deleteFreeLease(IOAddress("192.0.2.1"));
EXPECT_FALSE(state->exhausted());
EXPECT_EQ(1, state->getFreeLeaseCount());
// The sole lease should be now offered.
EXPECT_EQ("192.0.2.3", state->offerFreeLease().toText());
EXPECT_EQ("192.0.2.3", state->offerFreeLease().toText());
// Delete the remaining lease. The pool is now exhausted.
state->deleteFreeLease(IOAddress("192.0.2.3"));
EXPECT_TRUE(state->exhausted());
EXPECT_TRUE(state->offerFreeLease().isV4Zero());
}
// Test that duplicate leases are not added to the queue.
TEST(PoolFreeLeaseAllocationState, addFreeLeaseV4SeveralTimes) {
auto pool = boost::make_shared<Pool4>(IOAddress("192.0.2.1"), IOAddress("192.0.2.10"));
auto state = PoolFreeLeaseQueueAllocationState::create(pool);
ASSERT_TRUE(state);
EXPECT_EQ(0, state->getFreeLeaseCount());
// Add the free lease for the first time.
state->addFreeLease(IOAddress("192.0.2.1"));
EXPECT_FALSE(state->exhausted());
EXPECT_EQ("192.0.2.1", state->offerFreeLease().toText());
EXPECT_EQ(1, state->getFreeLeaseCount());
// Add the same lease the second time. The second lease instance should
// not be inserted.
state->addFreeLease(IOAddress("192.0.2.1"));
EXPECT_FALSE(state->exhausted());
EXPECT_EQ("192.0.2.1", state->offerFreeLease().toText());
EXPECT_EQ(1, state->getFreeLeaseCount());
// Delete the sole lease and ensure there are no more leases.
state->deleteFreeLease(IOAddress("192.0.2.1"));
EXPECT_TRUE(state->exhausted());
EXPECT_EQ(0, state->getFreeLeaseCount());
}
// Test creating a new free lease queue allocation state for an IPv6
// address pool.
TEST(PoolFreeLeaseAllocationState, createNA) {
auto pool = boost::make_shared<Pool6>(Lease::TYPE_NA, IOAddress("2001:db8:1::"),
IOAddress("2001:db8:1::10"));
auto state = PoolFreeLeaseQueueAllocationState::create(pool);
ASSERT_TRUE(state);
EXPECT_TRUE(state->exhausted());
}
// Test adding and deleting free IPv6 address leases.
TEST(PoolFreeLeaseAllocationState, addDeleteFreeLeaseNA) {
auto pool = boost::make_shared<Pool6>(Lease::TYPE_NA, IOAddress("2001:db8:1::"),
IOAddress("2001:db8:1::10"));
auto state = PoolFreeLeaseQueueAllocationState::create(pool);
ASSERT_TRUE(state);
// A new state lacks free leases until we add them.
EXPECT_EQ(0, state->getFreeLeaseCount());
// Add the first free lease. The pool should now have one free lease
// that is always offered.
state->addFreeLease(IOAddress("2001:db8:1::1"));
EXPECT_FALSE(state->exhausted());
EXPECT_EQ(1, state->getFreeLeaseCount());
// The same lease is always offered.
EXPECT_EQ("2001:db8:1::1", state->offerFreeLease().toText());
EXPECT_EQ("2001:db8:1::1", state->offerFreeLease().toText());
// Add another free lease. We should now have two free leases.
state->addFreeLease(IOAddress("2001:db8:1::3"));
EXPECT_FALSE(state->exhausted());
EXPECT_EQ(2, state->getFreeLeaseCount());
// The new free lease is appended at the end of the queue. Thus, our
// first lease should be offered now.
EXPECT_EQ("2001:db8:1::1", state->offerFreeLease().toText());
// Now, the second lease should be offered.
EXPECT_EQ("2001:db8:1::3", state->offerFreeLease().toText());
// Try to delete a non-existing lease. It should not affect the
// existing leases.
state->deleteFreeLease(IOAddress("2001:db8:1::2"));
EXPECT_FALSE(state->exhausted());
EXPECT_EQ(2, state->getFreeLeaseCount());
EXPECT_EQ("2001:db8:1::1", state->offerFreeLease().toText());
EXPECT_EQ("2001:db8:1::3", state->offerFreeLease().toText());
// Delete one of the free leases.
state->deleteFreeLease(IOAddress("2001:db8:1::1"));
EXPECT_FALSE(state->exhausted());
EXPECT_EQ(1, state->getFreeLeaseCount());
// The sole lease should be now offered.
EXPECT_EQ("2001:db8:1::3", state->offerFreeLease().toText());
EXPECT_EQ("2001:db8:1::3", state->offerFreeLease().toText());
// Delete the remaining lease. The pool is now exhausted.
state->deleteFreeLease(IOAddress("2001:db8:1::3"));
EXPECT_TRUE(state->exhausted());
EXPECT_TRUE(state->offerFreeLease().isV6Zero());
}
// Test that duplicate leases are not added to the queue.
TEST(PoolFreeLeaseAllocationState, addFreeLeaseNASeveralTimes) {
auto pool = boost::make_shared<Pool6>(Lease::TYPE_NA, IOAddress("2001:db8:1::"),
IOAddress("2001:db8:1::10"));
auto state = PoolFreeLeaseQueueAllocationState::create(pool);
ASSERT_TRUE(state);
EXPECT_EQ(0, state->getFreeLeaseCount());
// Add the free lease for the first time.
state->addFreeLease(IOAddress("2001:db8:1::5"));
EXPECT_FALSE(state->exhausted());
EXPECT_EQ("2001:db8:1::5", state->offerFreeLease().toText());
EXPECT_EQ(1, state->getFreeLeaseCount());
// Add the same lease the second time. The second lease instance should
// not be inserted.
state->addFreeLease(IOAddress("2001:db8:1::5"));
EXPECT_FALSE(state->exhausted());
EXPECT_EQ("2001:db8:1::5", state->offerFreeLease().toText());
EXPECT_EQ(1, state->getFreeLeaseCount());
// Delete the sole lease and ensure there are no more leases.
state->deleteFreeLease(IOAddress("2001:db8:1::5"));
EXPECT_TRUE(state->exhausted());
}
// Test creating a new free lease queue allocation state for an IPv6
// prefix pool.
TEST(PoolFreeLeaseAllocationState, createPD) {
auto pool = boost::make_shared<Pool6>(Lease::TYPE_PD, IOAddress("3000::"), 112, 120);
auto state = PoolFreeLeaseQueueAllocationState::create(pool);
ASSERT_TRUE(state);
EXPECT_TRUE(state->exhausted());
}
// Test creating a new free lease queue allocation state for a
// delegated prefix pool.
TEST(PoolFreeLeaseAllocationState, addDeleteFreeLeasePD) {
auto pool = boost::make_shared<Pool6>(Lease::TYPE_PD, IOAddress("3000::"), 112, 120);
auto state = PoolFreeLeaseQueueAllocationState::create(pool);
ASSERT_TRUE(state);
// A new state lacks free leases until we add them.
EXPECT_EQ(0, state->getFreeLeaseCount());
// Add the first free lease. The pool should now have one free lease
// that is always offered.
state->addFreeLease(IOAddress("3000::5600"));
EXPECT_FALSE(state->exhausted());
EXPECT_EQ(1, state->getFreeLeaseCount());
// The same lease is always offered.
EXPECT_EQ("3000::5600", state->offerFreeLease().toText());
// Add another free lease. We should now have two free leases.
state->addFreeLease(IOAddress("3000::7800"));
EXPECT_FALSE(state->exhausted());
EXPECT_EQ(2, state->getFreeLeaseCount());
// The new free lease is appended at the end of the queue. Thus, our
// first lease should be offered now.
EXPECT_EQ("3000::5600", state->offerFreeLease().toText());
// Now, the second lease should be offered.
EXPECT_EQ("3000::7800", state->offerFreeLease().toText());
// Try to delete a non-existing lease. It should not affect the
// existing leases.
state->deleteFreeLease(IOAddress("3000::6400"));
EXPECT_FALSE(state->exhausted());
EXPECT_EQ(2, state->getFreeLeaseCount());
EXPECT_EQ("3000::5600", state->offerFreeLease().toText());
EXPECT_EQ("3000::7800", state->offerFreeLease().toText());
// Delete one of the free leases.
state->deleteFreeLease(IOAddress("3000::5600"));
EXPECT_FALSE(state->exhausted());
EXPECT_EQ(1, state->getFreeLeaseCount());
// The sole lease should be now offered.
EXPECT_EQ("3000::7800", state->offerFreeLease().toText());
EXPECT_EQ("3000::7800", state->offerFreeLease().toText());
// Delete the remaining lease. The pool is now exhausted.
state->deleteFreeLease(IOAddress("3000::7800"));
EXPECT_TRUE(state->exhausted());
EXPECT_TRUE(state->offerFreeLease().isV6Zero());
}
// Test that duplicate leases are not added to the queue.
TEST(PoolFreeLeaseAllocationState, addFreeLeasPDSeveralTimes) {
auto pool = boost::make_shared<Pool6>(Lease::TYPE_PD, IOAddress("3000::"), 112, 120);
auto state = PoolFreeLeaseQueueAllocationState::create(pool);
ASSERT_TRUE(state);
EXPECT_EQ(0, state->getFreeLeaseCount());
// Add the free lease for the first time.
state->addFreeLease(IOAddress("3000::5600"));
EXPECT_FALSE(state->exhausted());
EXPECT_EQ("3000::5600", state->offerFreeLease().toText());
EXPECT_EQ(1, state->getFreeLeaseCount());
// Add the same lease the second time. The second lease instance should
// not be inserted.
state->addFreeLease(IOAddress("3000::5600"));
EXPECT_FALSE(state->exhausted());
EXPECT_EQ("3000::5600", state->offerFreeLease().toText());
EXPECT_EQ(1, state->getFreeLeaseCount());
// Delete the sole lease and ensure there are no more leases.
state->deleteFreeLease(IOAddress("3000::5600"));
EXPECT_TRUE(state->exhausted());
}
} // end of anonymous namespace
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