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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 org.onosproject.codec.CodecContext;
import org.onosproject.codec.JsonCodec;
import com.fasterxml.jackson.databind.node.ObjectNode;
import org.onosproject.segmentrouting.Policy;
import org.onosproject.segmentrouting.TunnelPolicy;
public final class PolicyCodec extends JsonCodec<Policy> {
// JSON field names
private static final String POLICY_ID = "policy_id";
private static final String PRIORITY = "priority";
private static final String TYPE = "policy_type";
private static final String TUNNEL_ID = "tunnel_id";
private static final String DST_IP = "dst_ip";
private static final String SRC_IP = "src_ip";
private static final String PROTO_TYPE = "proto_type";
private static final String SRC_PORT = "src_tp_port";
private static final String DST_PORT = "dst_tp_port";
@Override
public ObjectNode encode(Policy policy, CodecContext context) {
final ObjectNode result = context.mapper().createObjectNode()
.put(POLICY_ID, policy.id());
result.put(PRIORITY, policy.priority());
result.put(TYPE, policy.type().toString());
if (policy.dstIp() != null) {
result.put(DST_IP, policy.dstIp());
}
if (policy.srcIp() != null) {
result.put(SRC_IP, policy.srcIp());
}
if (policy.ipProto() != null) {
result.put(PROTO_TYPE, policy.ipProto());
}
int srcPort = policy.srcPort() & 0xffff;
if (policy.srcPort() != 0) {
result.put(SRC_PORT, srcPort);
}
int dstPort = policy.dstPort() & 0xffff;
if (policy.dstPort() != 0) {
result.put(DST_PORT, dstPort);
}
if (policy.type() == Policy.Type.TUNNEL_FLOW) {
result.put(TUNNEL_ID, ((TunnelPolicy) policy).tunnelId());
}
return result;
}
@Override
public Policy decode(ObjectNode json, CodecContext context) {
String pid = json.path(POLICY_ID).asText();
String type = json.path(TYPE).asText();
int priority = json.path(PRIORITY).asInt();
String dstIp = json.path(DST_IP).asText();
String srcIp = json.path(SRC_IP).asText();
String tunnelId = json.path(TUNNEL_ID).asText();
String protoType = json.path(PROTO_TYPE).asText();
short srcPort = json.path(SRC_PORT).shortValue();
short dstPort = json.path(DST_PORT).shortValue();
if (json.path(POLICY_ID).isMissingNode() || pid == null) {
// TODO: handle errors
return null;
}
TunnelPolicy.Builder tpb = TunnelPolicy.builder().setPolicyId(pid);
if (!json.path(TYPE).isMissingNode() && type != null &&
Policy.Type.valueOf(type).equals(Policy.Type.TUNNEL_FLOW)) {
if (json.path(TUNNEL_ID).isMissingNode() || tunnelId == null) {
return null;
}
tpb.setTunnelId(tunnelId);
tpb.setType(Policy.Type.valueOf(type));
if (!json.path(PRIORITY).isMissingNode()) {
tpb.setPriority(priority);
}
if (dstIp != null) {
tpb.setDstIp(dstIp);
}
if (srcIp != null) {
tpb.setSrcIp(srcIp);
}
if (protoType != null) {
tpb.setIpProto(protoType);
}
if (dstPort != 0) {
tpb.setDstPort(dstPort);
}
if (srcPort != 0) {
tpb.setSrcPort(srcPort);
}
}
return tpb.build();
}
}
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