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// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
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//   http://www.apache.org/licenses/LICENSE-2.0
//
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package com.cloud.network;

import java.util.List;

import org.apache.cloudstack.api.command.user.ipv6.CreateIpv6FirewallRuleCmd;
import org.apache.cloudstack.api.command.user.ipv6.ListIpv6FirewallRulesCmd;
import org.apache.cloudstack.api.command.user.ipv6.UpdateIpv6FirewallRuleCmd;
import org.apache.cloudstack.api.response.VpcResponse;
import org.apache.cloudstack.framework.config.ConfigKey;
import org.apache.cloudstack.framework.config.Configurable;

import com.cloud.dc.DataCenter;
import com.cloud.dc.DataCenterGuestIpv6Prefix;
import com.cloud.dc.Vlan;
import com.cloud.exception.InsufficientAddressCapacityException;
import com.cloud.exception.NetworkRuleConflictException;
import com.cloud.exception.ResourceAllocationException;
import com.cloud.network.rules.FirewallRule;
import com.cloud.network.vpc.Vpc;
import com.cloud.utils.Pair;
import com.cloud.utils.component.PluggableService;
import com.cloud.vm.Nic;
import com.cloud.vm.NicProfile;

public interface Ipv6Service extends PluggableService, Configurable {

    public static final int IPV6_SLAAC_CIDR_NETMASK = 64;

    static final ConfigKey<Boolean> Ipv6OfferingCreationEnabled = new ConfigKey<Boolean>("Advanced", Boolean.class,
            "ipv6.offering.enabled",
            "false",
            "Indicates whether creation of IPv6 Network/VPC offering is enabled or not.",
            true);

    static final ConfigKey<Integer> Ipv6PrefixSubnetCleanupInterval = new ConfigKey<Integer>("Advanced", Integer.class,
            "network.ipv6.prefix.subnet.cleanup.interval",
            "1800",
            "Determines how long (in seconds) to wait before deallocating prefix subnets which are in Allocating state. The default value = 1800 seconds.",
            true);

    Pair<Integer, Integer> getUsedTotalIpv6SubnetForPrefix(DataCenterGuestIpv6Prefix prefix);

    Pair<Integer, Integer> getUsedTotalIpv6SubnetForZone(long zoneId);

    Pair<String, String> preAllocateIpv6SubnetForNetwork(DataCenter zone) throws ResourceAllocationException;

    void assignIpv6SubnetToNetwork(String subnet, long networkId);

    void releaseIpv6SubnetForNetwork(long networkId);

    List<String> getAllocatedIpv6FromVlanRange(Vlan vlan);

    Nic assignPublicIpv6ToNetwork(Network network, Nic nic);

    void updateNicIpv6(NicProfile nic, DataCenter dc, Network network) throws InsufficientAddressCapacityException;

    List<String> getPublicIpv6AddressesForNetwork(Network network);

    void updateIpv6RoutesForVpcResponse(Vpc vpc, VpcResponse response);

    void checkNetworkIpv6Upgrade(Network network) throws InsufficientAddressCapacityException, ResourceAllocationException;

    FirewallRule updateIpv6FirewallRule(UpdateIpv6FirewallRuleCmd updateIpv6FirewallRuleCmd);

    Pair<List<? extends FirewallRule>,Integer> listIpv6FirewallRules(ListIpv6FirewallRulesCmd listIpv6FirewallRulesCmd);

    boolean revokeIpv6FirewallRule(Long id);

    FirewallRule createIpv6FirewallRule(CreateIpv6FirewallRuleCmd createIpv6FirewallRuleCmd) throws NetworkRuleConflictException;

    FirewallRule getIpv6FirewallRule(Long entityId);

    boolean applyIpv6FirewallRule(long id);

    void removePublicIpv6PlaceholderNics(Network network);
}