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/*
* Copyright 2015 Open Networking Laboratory
*
* 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.web;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ObjectNode;
import org.onosproject.rest.AbstractWebResource;
import org.onosproject.segmentrouting.Policy;
import org.onosproject.segmentrouting.SegmentRoutingService;
import javax.ws.rs.Consumes;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;
/**
* Query, create and remove segment routing plicies.
*/
@Path("policy")
public class PolicyWebResource extends AbstractWebResource {
private static final PolicyCodec POLICY_CODEC = new PolicyCodec();
/**
* Get all segment routing policies.
* Returns an array of segment routing policies.
*
* @return status of OK
*/
@GET
@Produces(MediaType.APPLICATION_JSON)
public Response getPolicy() {
SegmentRoutingService srService = get(SegmentRoutingService.class);
List<Policy> policies = srService.getPolicies();
ObjectNode result = new ObjectMapper().createObjectNode();
result.set("policy", new PolicyCodec().encode(policies, this));
return ok(result.toString()).build();
}
/**
* Create a new segment routing policy.
*
* @param input JSON stream for policy to create
* @return status of the request - OK if the policy is created,
* INTERNAL_SERVER_ERROR if the JSON is invalid or the policy cannot be created
* @throws IOException if JSON processing fails
*/
@POST
@Consumes(MediaType.APPLICATION_JSON)
public Response createPolicy(InputStream input) throws IOException {
ObjectMapper mapper = new ObjectMapper();
ObjectNode policyJson = (ObjectNode) mapper.readTree(input);
SegmentRoutingService srService = get(SegmentRoutingService.class);
Policy policyInfo = POLICY_CODEC.decode(policyJson, this);
if (policyInfo.type() == Policy.Type.TUNNEL_FLOW) {
srService.createPolicy(policyInfo);
return Response.ok().build();
} else {
return Response.serverError().build();
}
}
/**
* Delete a segment routing policy.
*
* @param input JSON stream for policy to delete
* @return status of the request - OK if the policy is removed,
* INTERNAL_SERVER_ERROR otherwise
* @throws IOException if JSON is invalid
*/
@DELETE
@Consumes(MediaType.APPLICATION_JSON)
public Response removePolicy(InputStream input) throws IOException {
ObjectMapper mapper = new ObjectMapper();
ObjectNode policyJson = (ObjectNode) mapper.readTree(input);
SegmentRoutingService srService = get(SegmentRoutingService.class);
Policy policyInfo = POLICY_CODEC.decode(policyJson, this);
// TODO: Check the result
srService.removePolicy(policyInfo);
return Response.ok().build();
}
}
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