-// Copyright (C) 2015 Internet Systems Consortium, Inc. ("ISC")
+// 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.
+// 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 CFG_4OVER6_H
#define CFG_4OVER6_H
const ClientClasses& client_classes
= ClientClasses()) const;
+ /// @brief Attempts to do subnet selection based on DHCP4o6 information
+ ///
+ /// The algorithm implemented is as follows:
+ ///
+ /// - First: try to match IPv6 subnet (4o6-subnet parameter) with the
+ /// remote IPv6 address of the incoming packet
+ /// - Second: try to match interface-id (4o6-interface-id parameter)
+ /// with the interface-id option in the incoming 4o6 packet
+ /// - Third: try to match interface-name (4o6-interface parameter)
+ /// with the name of the interface the incoming 4o6 packet was
+ /// received over.
+ ///
+ /// @todo: Add additional selection criteria. See
+ /// http://kea.isc.org/wiki/ISC-DHCP4o6-Design for details.
+ ///
+ /// @param selector Const reference to the selector structure which holds
+ /// various information extracted from the client's packet which are used
+ /// to find appropriate subnet.
+ /// @return Pointer to the selected subnet or NULL if no subnet found.
+ Subnet4Ptr
+ selectSubnet4o6(const SubnetSelector& selector) const;
+
/// @brief Updates statistics.
///
/// This method updates statistics that are affected by the newly committed
/// @return true if the duplicate subnet exists.
bool isDuplicate(const Subnet4& subnet) const;
- /// @brief Attempts to do subnet selection based on DHCP4o6 information
- ///
- /// The algorithm implemented is as follows:
- ///
- /// - First: try to match IPv6 subnet (4o6-subnet parameter) with the
- /// remote IPv6 address of the incoming packet
- /// - Second: try to match interface-id (4o6-interface-id parameter)
- /// with the interface-id option in the incoming 4o6 packet
- /// - Third: try to match interface-name (4o6-interface parameter)
- /// with the name of the interface the incoming 4o6 packet was
- /// received over.
- ///
- /// @todo: Add additional selection criteria. See
- /// http://kea.isc.org/wiki/ISC-DHCP4o6-Design for details.
- ///
- /// @param selector
- /// @return selected IPv4 subnet
- Subnet4Ptr
- selectSubnet4o6(const SubnetSelector& selector) const;
-
-
/// @brief A container for IPv4 subnets.
Subnet4Collection subnets_;
-// Copyright (C) 2014-2015 Internet Systems Consortium, Inc. ("ISC")
+// Copyright (C) 2014-2016 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
#include <dhcpsrv/subnet_id.h>
#include <dhcpsrv/subnet_selector.h>
#include <gtest/gtest.h>
+#include <vector>
using namespace isc;
using namespace isc::asiolink;
}
// This test checks if the IPv4 subnet can be selected based on the IPv6 address.
-TEST(CfgSubnets4Test, 4o6subnet) {
+TEST(CfgSubnets4Test, 4o6subnetMatchByAddress) {
CfgSubnets4 cfg;
Subnet4Ptr subnet1(new Subnet4(IOAddress("192.0.2.0"), 26, 1, 2, 3, 123));
EXPECT_EQ(subnet2, cfg.selectSubnet(selector));
}
+// This test checks if the IPv4 subnet can be selected based on the value of
+// interface-id option.
+TEST(CfgSubnets4Test, 4o6subnetMatchByInterfaceId) {
+ CfgSubnets4 cfg;
+
+ Subnet4Ptr subnet1(new Subnet4(IOAddress("192.0.2.0"), 26, 1, 2, 3, 123));
+ Subnet4Ptr subnet2(new Subnet4(IOAddress("192.0.2.64"), 26, 1, 2, 3, 124));
+ Subnet4Ptr subnet3(new Subnet4(IOAddress("192.0.2.128"), 26, 1, 2, 3, 125));
+
+ const uint8_t dummyPayload1[] = { 1, 2, 3, 4};
+ const uint8_t dummyPayload2[] = { 1, 2, 3, 5};
+ std::vector<uint8_t> data1(dummyPayload1, dummyPayload1 + sizeof(dummyPayload1));
+ std::vector<uint8_t> data2(dummyPayload2, dummyPayload2 + sizeof(dummyPayload2));
+
+ OptionPtr interfaceId1(new Option(Option::V6, D6O_INTERFACE_ID, data1));
+ OptionPtr interfaceId2(new Option(Option::V6, D6O_INTERFACE_ID, data2));
+
+ subnet2->get4o6().setInterfaceId(interfaceId1);
+
+ cfg.add(subnet1);
+ cfg.add(subnet2);
+ cfg.add(subnet3);
+
+ SubnetSelector selector;
+ selector.dhcp4o6_ = true;
+ selector.interface_id_ = interfaceId2;
+ // We have mismatched interface-id options (data1 vs data2). Should not match.
+ EXPECT_FALSE(cfg.selectSubnet(selector));
+
+ // This time we have correct interface-id. Should match.
+ selector.interface_id_ = interfaceId1;
+ EXPECT_EQ(subnet2, cfg.selectSubnet(selector));
+}
+
+// This test checks if the IPv4 subnet can be selected based on the value of
+// interface name option.
+TEST(CfgSubnets4Test, 4o6subnetMatchByInterfaceName) {
+ CfgSubnets4 cfg;
+
+ Subnet4Ptr subnet1(new Subnet4(IOAddress("192.0.2.0"), 26, 1, 2, 3, 123));
+ Subnet4Ptr subnet2(new Subnet4(IOAddress("192.0.2.64"), 26, 1, 2, 3, 124));
+ Subnet4Ptr subnet3(new Subnet4(IOAddress("192.0.2.128"), 26, 1, 2, 3, 125));
+
+ subnet2->get4o6().setIface4o6("eth7");
+
+ cfg.add(subnet1);
+ cfg.add(subnet2);
+ cfg.add(subnet3);
+
+ SubnetSelector selector;
+ selector.dhcp4o6_ = true;
+ selector.iface_name_ = "eth5";
+ // We have mismatched interface names. Should not match.
+ EXPECT_FALSE(cfg.selectSubnet(selector));
+
+ // This time we have correct names. Should match.
+ selector.iface_name_ = "eth7";
+ EXPECT_EQ(subnet2, cfg.selectSubnet(selector));
+}
+
} // end of anonymous namespace
projects / thirdparty / kea.git / commitdiff
