| /* |
| * 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.vtn.util; |
| |
| import static org.onlab.util.Tools.toHex; |
| |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.util.Calendar; |
| |
| import org.onosproject.core.IdGenerator; |
| import org.onosproject.net.DeviceId; |
| |
| public final class DataPathIdGenerator implements IdGenerator { |
| private static final String SCHEME = "of"; |
| private String ipAddress; |
| private String timeStamp; |
| |
| private DataPathIdGenerator(Builder builder) { |
| this.ipAddress = builder.ipAddress; |
| Calendar cal = Calendar.getInstance(); |
| this.timeStamp = String.valueOf(cal.get(Calendar.SECOND)) |
| + String.valueOf(cal.get(Calendar.MILLISECOND)); |
| } |
| |
| @Override |
| public long getNewId() { |
| String dpid = ipAddress.replace(".", "") + timeStamp; |
| return Long.parseLong(dpid); |
| } |
| |
| public String getDpId() { |
| return toHex(getNewId()); |
| } |
| |
| public DeviceId getDeviceId() { |
| try { |
| URI uri = new URI(SCHEME, toHex(getNewId()), null); |
| return DeviceId.deviceId(uri); |
| } catch (URISyntaxException e) { |
| return null; |
| } |
| } |
| |
| /** |
| * Returns a new builder. |
| * |
| * @return new builder |
| */ |
| public static Builder builder() { |
| return new Builder(); |
| } |
| |
| public static final class Builder { |
| private String ipAddress; |
| |
| public Builder addIpAddress(String ipAddress) { |
| this.ipAddress = ipAddress; |
| return this; |
| } |
| |
| public DataPathIdGenerator build() { |
| return new DataPathIdGenerator(this); |
| } |
| } |
| } |