| /* |
| * Copyright 2016-present 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.provider.nil; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| |
| /** |
| * Rectangular grid topology with hosts at each device. |
| */ |
| public class GridTopologySimulator extends TopologySimulator { |
| |
| private int cols; |
| private int rows; |
| |
| @Override |
| protected void processTopoShape(String shape) { |
| super.processTopoShape(shape); |
| rows = topoShape.length > 1 ? Integer.parseInt(topoShape[1]) : 10; |
| cols = topoShape.length > 2 ? Integer.parseInt(topoShape[2]) : rows; |
| hostCount = topoShape.length > 3 ? Integer.parseInt(topoShape[3]) : 1; |
| infrastructurePorts = 4; |
| deviceCount = rows * cols; |
| } |
| |
| @Override |
| public void setUpTopology() { |
| checkArgument(rows > 1, "There must be at least 2 rows"); |
| checkArgument(cols > 1, "There must be at least 2 columns"); |
| super.setUpTopology(); |
| } |
| |
| @Override |
| protected void createLinks() { |
| for (int r = 0; r < rows; r++) { |
| for (int c = 0; c < cols; c++) { |
| int i = r * cols + c; |
| if (c < cols - 1) { |
| createLink(i, i + 1, 3, 1); |
| } |
| if (r < rows - 1) { |
| createLink(i, (r + 1) * cols + c, 4, 2); |
| } |
| } |
| } |
| } |
| |
| @Override |
| protected void createHosts() { |
| deviceIds.forEach(id -> createHosts(id, infrastructurePorts)); |
| } |
| |
| } |