| /* |
| * Copyright 2014 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.oecfg; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.fasterxml.jackson.databind.node.ArrayNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| /** |
| * Utility program to convert standard ONOS config JSON to format expected |
| * by the OE Link switch. |
| */ |
| public final class OELinkConfig { |
| |
| private ObjectMapper mapper = new ObjectMapper(); |
| private Map<String, String> dpidToName = new HashMap<>(); |
| |
| public static void main(String[] args) { |
| try { |
| OELinkConfig config = new OELinkConfig(); |
| JsonNode json = config.convert(System.in); |
| System.out.println(json.toString()); |
| } catch (IOException e) { |
| System.err.println("Unable to convert JSON due to: " + e.getMessage()); |
| e.printStackTrace(); |
| } |
| } |
| |
| private OELinkConfig() { |
| } |
| |
| private JsonNode convert(InputStream input) throws IOException { |
| JsonNode json = mapper.readTree(input); |
| ObjectNode result = mapper.createObjectNode(); |
| result.set("switchConfig", opticalSwitches(json)); |
| result.set("linkConfig", opticalLinks(json)); |
| return result; |
| } |
| |
| private JsonNode opticalSwitches(JsonNode json) { |
| ArrayNode result = mapper.createArrayNode(); |
| for (JsonNode node : json.get("devices")) { |
| String dpid = dpid(node.path("uri")); |
| String name = node.path("name").asText("none"); |
| dpidToName.put(dpid, name); |
| if (node.path("type").asText("none").equals("ROADM")) { |
| result.add(opticalSwitch(dpid, name, (ObjectNode) node)); |
| } |
| } |
| return result; |
| } |
| |
| private ObjectNode opticalSwitch(String dpid, String name, ObjectNode node) { |
| ObjectNode result = mapper.createObjectNode(); |
| ObjectNode annot = (ObjectNode) node.path("annotations"); |
| result.put("allowed", true).put("type", "Roadm") |
| .put("name", name).put("nodeDpid", dpid) |
| .put("latitude", annot.path("latitude").asDouble(0.0)) |
| .put("longitude", annot.path("longitude").asDouble(0.0)) |
| .set("params", switchParams(annot)); |
| return result; |
| } |
| |
| private ObjectNode switchParams(ObjectNode annot) { |
| return mapper.createObjectNode() |
| .put("numRegen", annot.path("optical.regens").asInt(0)); |
| } |
| |
| private JsonNode opticalLinks(JsonNode json) { |
| ArrayNode result = mapper.createArrayNode(); |
| for (JsonNode node : json.get("links")) { |
| if (node.path("type").asText("none").equals("OPTICAL")) { |
| result.add(opticalLink((ObjectNode) node)); |
| } |
| } |
| return result; |
| } |
| |
| private ObjectNode opticalLink(ObjectNode node) { |
| ObjectNode result = mapper.createObjectNode(); |
| ObjectNode annot = (ObjectNode) node.path("annotations"); |
| String src = dpid(node.path("src")); |
| String dst = dpid(node.path("dst")); |
| result.put("allowed", true).put("type", linkType(annot)) |
| .put("nodeDpid1", src).put("nodeDpid2", dst) |
| .set("params", linkParams(src, dst, node, annot)); |
| return result; |
| } |
| |
| private String linkType(ObjectNode annot) { |
| return annot.path("optical.type").asText("cross-connect").equals("WDM") ? |
| "wdmLink" : "pktOptLink"; |
| } |
| |
| private ObjectNode linkParams(String src, String dst, |
| ObjectNode node, ObjectNode annot) { |
| ObjectNode result = mapper.createObjectNode() |
| .put("nodeName1", dpidToName.get(src)) |
| .put("nodeName2", dpidToName.get(dst)) |
| .put("port1", port(node.path("src"))) |
| .put("port2", port(node.path("dst"))); |
| if (annot.has("bandwidth")) { |
| result.put("bandwidth", annot.path("bandwidth").asInt()); |
| } |
| if (annot.has("optical.waves")) { |
| result.put("numWaves", annot.path("optical.waves").asInt()); |
| } |
| return result; |
| } |
| |
| private String dpid(JsonNode node) { |
| String s = node.asText("of:0000000000000000").substring(3); |
| return s.substring(0, 2) + ":" + s.substring(2, 4) + ":" + |
| s.substring(4, 6) + ":" + s.substring(6, 8) + ":" + |
| s.substring(8, 10) + ":" + s.substring(10, 12) + ":" + |
| s.substring(12, 14) + ":" + s.substring(14, 16); |
| } |
| |
| private int port(JsonNode node) { |
| return Integer.parseInt(node.asText("of:0000000000000000/0").substring(20)); |
| } |
| |
| } |