David K. Bainbridge | 1a10d62 | 2018-05-07 12:32:27 -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.netconf; |
| 17 | |
| 18 | import static org.slf4j.LoggerFactory.getLogger; |
| 19 | |
| 20 | import java.io.IOException; |
| 21 | import java.io.InputStream; |
| 22 | import java.nio.charset.StandardCharsets; |
| 23 | import java.util.HashMap; |
| 24 | import java.util.Map; |
| 25 | |
| 26 | import javax.xml.namespace.QName; |
| 27 | import javax.xml.parsers.DocumentBuilder; |
| 28 | import javax.xml.parsers.DocumentBuilderFactory; |
| 29 | import javax.xml.xpath.XPath; |
| 30 | import javax.xml.xpath.XPathFactory; |
| 31 | |
| 32 | import org.apache.commons.io.IOUtils; |
| 33 | import org.onosproject.net.DeviceId; |
| 34 | import org.onosproject.netconf.NetconfDevice; |
| 35 | import org.onosproject.netconf.NetconfException; |
| 36 | import org.onosproject.netconf.NetconfSession; |
| 37 | import org.slf4j.Logger; |
| 38 | import org.w3c.dom.Document; |
| 39 | |
| 40 | import com.google.common.io.Resources; |
| 41 | |
| 42 | public class MockTemplateRequestDriver implements TemplateRequestDriver { |
| 43 | private static final Logger log = getLogger(MockTemplateRequestDriver.class); |
| 44 | private static final DeviceId DEFAULT_RESPONSES_ID = DeviceId.deviceId("mock:default:1234"); |
| 45 | |
| 46 | private Map<DeviceId, Map<String, String>> responses = new HashMap<DeviceId, Map<String, String>>(); |
| 47 | |
| 48 | private Map<NetconfSession, DeviceId> sessionMap = new HashMap<NetconfSession, DeviceId>(); |
| 49 | |
| 50 | @Override |
| 51 | public Object doRequest(NetconfSession session, String templateName, Map<String, Object> templateContext, |
| 52 | String baseXPath, QName returnType) throws NetconfException { |
| 53 | |
| 54 | try { |
| 55 | DeviceId deviceId = sessionMap.get(session); |
| 56 | Map<String, String> deviceResponses = responses.get(deviceId); |
| 57 | String responseTemplate = null; |
| 58 | if (deviceResponses != null) { |
| 59 | responseTemplate = deviceResponses.get(templateName); |
| 60 | } |
| 61 | if (responseTemplate == null) { |
| 62 | deviceResponses = responses.get(DEFAULT_RESPONSES_ID); |
| 63 | if (deviceResponses != null) { |
| 64 | responseTemplate = deviceResponses.get(templateName); |
| 65 | } |
| 66 | } |
| 67 | if (responseTemplate == null) { |
| 68 | throw new Exception( |
| 69 | String.format("Reponse template '%s' for device '%s' not found", templateName, deviceId)); |
| 70 | } |
| 71 | InputStream resp = IOUtils.toInputStream(responseTemplate, StandardCharsets.UTF_8); |
| 72 | DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance(); |
| 73 | DocumentBuilder builder = builderFactory.newDocumentBuilder(); |
| 74 | Document document = builder.parse(resp); |
| 75 | XPath xp = XPathFactory.newInstance().newXPath(); |
| 76 | return xp.evaluate(baseXPath, document, returnType); |
| 77 | } catch (Exception e) { |
| 78 | NetconfException ne = new NetconfException(e.getMessage(), e); |
| 79 | throw ne; |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | public void load(Class<? extends Object> reference, String pattern, DeviceId id, String... reponseNames) { |
| 84 | for (String name : reponseNames) { |
| 85 | String key = name; |
| 86 | String resource; |
| 87 | |
| 88 | // If the template name begins with a '/', then assume it is a full path |
| 89 | // specification |
| 90 | if (name.charAt(0) == '/') { |
| 91 | int start = name.lastIndexOf('/') + 1; |
| 92 | int end = name.lastIndexOf('.'); |
| 93 | if (end == -1) { |
| 94 | key = name.substring(start); |
| 95 | } else { |
| 96 | key = name.substring(start, end); |
| 97 | } |
| 98 | resource = name; |
| 99 | } else { |
| 100 | resource = String.format(pattern, name); |
| 101 | } |
| 102 | |
| 103 | log.debug("LOAD RESPONSE TEMPLATE: '{}' as '{}' from '{}'", name, key, resource); |
| 104 | |
| 105 | try { |
| 106 | DeviceId use = id; |
| 107 | if (use == null) { |
| 108 | use = DEFAULT_RESPONSES_ID; |
| 109 | } |
| 110 | Map<String, String> deviceResponses = responses.get(use); |
| 111 | if (deviceResponses == null) { |
| 112 | deviceResponses = new HashMap<String, String>(); |
| 113 | responses.put(use, deviceResponses); |
| 114 | } |
| 115 | deviceResponses.put(name, |
| 116 | Resources.toString(Resources.getResource(reference, resource), StandardCharsets.UTF_8)); |
| 117 | } catch (IOException ioe) { |
| 118 | log.error("Unable to load NETCONF response template '{}' from '{}'", key, resource, ioe); |
| 119 | } |
| 120 | } |
| 121 | } |
| 122 | |
| 123 | public void setDeviceMap(Map<DeviceId, NetconfDevice> devicesMap) { |
| 124 | // sessionMap.clear(); |
| 125 | |
| 126 | for (Map.Entry<DeviceId, NetconfDevice> entry : devicesMap.entrySet()) { |
| 127 | sessionMap.put(entry.getValue().getSession(), entry.getKey()); |
| 128 | } |
| 129 | } |
| 130 | } |