| /* |
| * 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.provider.nil; |
| /** |
| * Chordal topology simulator. |
| */ |
| public class ChordalTopologySimulator extends TopologySimulator { |
| |
| @Override |
| protected void processTopoShape(String shape) { |
| super.processTopoShape(shape); |
| deviceCount = (topoShape.length > 1) ? Integer.parseInt(topoShape[1]) : deviceCount; |
| hostCount = (topoShape.length > 2) ? Integer.parseInt(topoShape[2]) : hostCount; |
| } |
| |
| @Override |
| protected void createLinks() { |
| for (int i = 0, n = deviceCount; i < n; i++) { |
| for (int j = 1; j <= n / 2; j = 2 * j) { |
| createLink(i % deviceCount, (i + j) % deviceCount, |
| (i + j) % deviceCount, i % deviceCount); |
| } |
| } |
| } |
| |
| @Override |
| protected void createHosts() { |
| for (int i = 0; i < deviceCount; i++) { |
| createHosts(deviceIds.get(i), hostCount); |
| } |
| } |
| |
| } |