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/*
* Copyright 2015-present Open Networking Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onosproject.segmentrouting;
import org.onlab.packet.IpPrefix;
import org.onosproject.net.DeviceId;
import org.onosproject.segmentrouting.grouphandler.NextNeighbors;
import org.onosproject.segmentrouting.pwaas.DefaultL2Tunnel;
import org.onosproject.segmentrouting.pwaas.DefaultL2TunnelPolicy;
import org.onosproject.segmentrouting.pwaas.L2TunnelHandler;
import org.onosproject.segmentrouting.storekey.DestinationSetNextObjectiveStoreKey;
import com.google.common.collect.ImmutableMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
/**
* Segment Routing Service for REST API.
*/
public interface SegmentRoutingService {
/**
* VLAN cross-connect priority.
*/
int XCONNECT_PRIORITY = 1000;
/**
* Default flow priority.
*/
int DEFAULT_PRIORITY = 100;
/**
* Minimum IP priority.
*
* Should < 0 such that priority of /0 will not conflict with lowest
* priority default entries.
*/
int MIN_IP_PRIORITY = 10;
/**
* Subnet flooding flow priority.
*/
int FLOOD_PRIORITY = 5;
/**
* Returns all tunnels.
*
* @return list of tunnels
*/
List<Tunnel> getTunnels();
/**
* Creates a tunnel.
*
* @param tunnel tunnel reference to create
* @return WRONG_PATH if the tunnel path is wrong, ID_EXISTS if the tunnel ID
* exists already, TUNNEL_EXISTS if the same tunnel exists, INTERNAL_ERROR
* if the tunnel creation failed internally, SUCCESS if the tunnel is created
* successfully
*/
TunnelHandler.Result createTunnel(Tunnel tunnel);
/**
* Returns all policies.
*
* @return list of policy
*/
List<Policy> getPolicies();
/**
* Returns all l2 tunnels of pseudowires.
*
* @return list of l2 tunnels
*/
List<DefaultL2Tunnel> getL2Tunnels();
/**
* Returns all l2 policie of pseudowires.
*
* @return list of l2 policies.
*/
List<DefaultL2TunnelPolicy> getL2Policies();
/**
* Removes pw. Essentially updates configuration for PwaasConfig
* and sends event for removal. The rest are handled by L2TunnelHandler
*
* @param pwId The pseudowire id
* @return SUCCESS if operation successful or a descriptive error otherwise.
*/
L2TunnelHandler.Result removePseudowire(String pwId);
/**
* Adds a Pseudowire to the configuration.
*
* @param tunnelId The pseudowire id
* @param pwLabel Pw label
* @param cP1 Connection Point 1 of pw
* @param cP1InnerVlan Outer vlan of cp2
* @param cP1OuterVlan Outer vlan of cp1
* @param cP2 Connection Point 2 of pw
* @param cP2InnerVlan Inner vlan of cp2
* @param cP2OuterVlan Outer vlan of cp1
* @param mode Mode of pw
* @param sdTag Service Delimiting tag of pw
* @return SUCCESS if operation is successful or a descriptive error otherwise.
*/
L2TunnelHandler.Result addPseudowire(String tunnelId, String pwLabel, String cP1,
String cP1InnerVlan, String cP1OuterVlan, String cP2,
String cP2InnerVlan, String cP2OuterVlan,
String mode, String sdTag);
/**
* Creates a policy.
*
* @param policy policy reference to create
* @return ID_EXISTS if the same policy ID exists,
* POLICY_EXISTS if the same policy exists, TUNNEL_NOT_FOUND if the tunnel
* does not exists, UNSUPPORTED_TYPE if the policy type is not supported,
* SUCCESS if the policy is created successfully.
*/
PolicyHandler.Result createPolicy(Policy policy);
/**
* Removes a tunnel.
*
* @param tunnel tunnel reference to remove
* @return TUNNEL_NOT_FOUND if the tunnel to remove does not exists,
* INTERNAL_ERROR if the tunnel creation failed internally, SUCCESS
* if the tunnel is created successfully.
*/
TunnelHandler.Result removeTunnel(Tunnel tunnel);
/**
* Removes a policy.
*
* @param policy policy reference to remove
* @return POLICY_NOT_FOUND if the policy to remove does not exists,
* SUCCESS if it is removed successfully
*/
PolicyHandler.Result removePolicy(Policy policy);
/**
* Use current state of the network to repopulate forwarding rules.
*
*/
void rerouteNetwork();
/**
* Returns device-subnet mapping.
*
* @return device-subnet mapping
*/
Map<DeviceId, Set<IpPrefix>> getDeviceSubnetMap();
/**
* Returns the current ECMP shortest path graph in this controller instance.
*
* @return ECMP shortest path graph
*/
ImmutableMap<DeviceId, EcmpShortestPathGraph> getCurrentEcmpSpg();
/**
* Returns the destinatiomSet-NextObjective store contents.
*
* @return current contents of the destinationSetNextObjectiveStore
*/
ImmutableMap<DestinationSetNextObjectiveStoreKey, NextNeighbors> getDestinationSet();
/**
* Triggers the verification of all ECMP groups in the specified device.
* Adjusts the group buckets if verification finds that there are more or less
* buckets than what should be there.
*
* @param id the device identifier
*/
void verifyGroups(DeviceId id);
}