| /* |
| * 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.provider.nil; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| |
| /** |
| * Linear topology simulator. |
| */ |
| public class LinearTopologySimulator extends TopologySimulator { |
| |
| @Override |
| protected void processTopoShape(String shape) { |
| super.processTopoShape(shape); |
| deviceCount = (topoShape.length == 1) ? deviceCount : Integer.parseInt(topoShape[1]); |
| } |
| |
| @Override |
| public void setUpTopology() { |
| checkArgument(deviceCount > 1, "There must be at least 2 devices"); |
| |
| prepareForDeviceEvents(deviceCount); |
| createDevices(); |
| waitForDeviceEvents(); |
| |
| createLinks(); |
| createHosts(); |
| } |
| |
| @Override |
| protected void createLinks() { |
| int portOffset = 1; |
| for (int i = 0, n = deviceCount - 1; i < n; i++) { |
| createLink(i, i + 1, portOffset, 1); |
| portOffset = 2; |
| } |
| } |
| |
| @Override |
| protected void createHosts() { |
| createHosts(deviceIds.get(0), infrastructurePorts); |
| createHosts(deviceIds.get(deviceCount - 1), infrastructurePorts); |
| } |
| |
| } |