David Bainbridge | 7526c45 | 2018-04-20 14:14:37 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2018-present Open Networking Foundation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.drivers.ciena.c5162.netconf; |
| 17 | |
| 18 | import static com.google.common.base.Preconditions.checkNotNull; |
| 19 | import static org.slf4j.LoggerFactory.getLogger; |
| 20 | |
| 21 | import java.util.HashMap; |
| 22 | import java.util.Map; |
| 23 | import java.util.concurrent.CompletableFuture; |
| 24 | |
| 25 | import javax.xml.xpath.XPath; |
| 26 | import javax.xml.xpath.XPathConstants; |
| 27 | import javax.xml.xpath.XPathExpressionException; |
| 28 | import javax.xml.xpath.XPathFactory; |
| 29 | |
| 30 | import org.onosproject.drivers.netconf.TemplateManager; |
| 31 | import org.onosproject.net.PortNumber; |
| 32 | import org.onosproject.net.behaviour.PortAdmin; |
| 33 | import org.onosproject.net.driver.AbstractHandlerBehaviour; |
| 34 | import org.onosproject.netconf.NetconfController; |
| 35 | import org.onosproject.netconf.NetconfException; |
| 36 | import org.onosproject.netconf.NetconfSession; |
| 37 | import org.slf4j.Logger; |
| 38 | import org.w3c.dom.Node; |
| 39 | |
| 40 | /** |
| 41 | * Handles port administration for Ciena 5162 devices using the NETCONF |
| 42 | * protocol. |
| 43 | */ |
| 44 | public class Ciena5162PortAdmin extends AbstractHandlerBehaviour implements PortAdmin { |
| 45 | |
| 46 | private static final Logger log = getLogger(Ciena5162PortAdmin.class); |
| 47 | private static final TemplateManager TEMPLATE_MANAGER = new TemplateManager(); |
| 48 | |
| 49 | static { |
| 50 | TEMPLATE_MANAGER.load(Ciena5162PortAdmin.class, "/templates/requests/%s.j2", "logicalPort", "port-admin-state"); |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * Sets the administrative state of the given port to the given value. |
| 55 | * |
| 56 | * @param number |
| 57 | * port number |
| 58 | * @param value |
| 59 | * state, true for enabled, false for disabled |
| 60 | * @return true if successfully set |
| 61 | */ |
| 62 | private CompletableFuture<Boolean> setAdminState(PortNumber number, Boolean value) { |
| 63 | NetconfController controller = checkNotNull(handler().get(NetconfController.class)); |
| 64 | NetconfSession session = controller.getDevicesMap().get(handler().data().deviceId()).getSession(); |
| 65 | |
| 66 | try { |
| 67 | Map<String, Object> templateContext = new HashMap<String, Object>(); |
| 68 | templateContext.put("port-number", number.toLong()); |
| 69 | templateContext.put("admin-state", value.toString()); |
| 70 | Node req = (Node) TEMPLATE_MANAGER.doRequest(session, "port-admin-state", templateContext, "/", |
| 71 | XPathConstants.NODE); |
| 72 | XPath xp = XPathFactory.newInstance().newXPath(); |
| 73 | |
| 74 | // If OK element exists then it worked. |
| 75 | Node ok = (Node) xp.evaluate("/rpc-reply/ok", req, XPathConstants.NODE); |
| 76 | return CompletableFuture.completedFuture(ok != null); |
| 77 | } catch (XPathExpressionException | NetconfException e) { |
| 78 | log.error("Unable to set port admin state for port {} to {}", number, handler().data().deviceId(), value, |
| 79 | e); |
| 80 | } |
| 81 | return CompletableFuture.completedFuture(false); |
| 82 | |
| 83 | } |
| 84 | |
| 85 | @Override |
| 86 | public CompletableFuture<Boolean> enable(PortNumber number) { |
| 87 | return setAdminState(number, true); |
| 88 | } |
| 89 | |
| 90 | @Override |
| 91 | public CompletableFuture<Boolean> disable(PortNumber number) { |
| 92 | return setAdminState(number, false); |
| 93 | } |
| 94 | |
| 95 | @Override |
| 96 | public CompletableFuture<Boolean> isEnabled(PortNumber number) { |
| 97 | NetconfController controller = checkNotNull(handler().get(NetconfController.class)); |
| 98 | NetconfSession session = controller.getDevicesMap().get(handler().data().deviceId()).getSession(); |
| 99 | |
| 100 | try { |
| 101 | Map<String, Object> templateContext = new HashMap<String, Object>(); |
| 102 | templateContext.put("port-number", number.toString()); |
| 103 | Node port = TEMPLATE_MANAGER.doRequest(session, "logicalPort", templateContext); |
| 104 | XPath xp = XPathFactory.newInstance().newXPath(); |
| 105 | return CompletableFuture.completedFuture(Boolean.valueOf(xp.evaluate("admin-status/text()", port))); |
| 106 | } catch (XPathExpressionException | NetconfException e) { |
| 107 | log.error("Unable to query port state for port {} from device {}", number, handler().data().deviceId(), e); |
| 108 | } |
| 109 | return CompletableFuture.completedFuture(false); |
| 110 | } |
| 111 | |
| 112 | } |