diff options
Diffstat (limited to 'client/src/main/java/org/onap/aaf/cadi/locator/DME2Locator.java')
| -rw-r--r-- | client/src/main/java/org/onap/aaf/cadi/locator/DME2Locator.java | 347 |
1 files changed, 0 insertions, 347 deletions
diff --git a/client/src/main/java/org/onap/aaf/cadi/locator/DME2Locator.java b/client/src/main/java/org/onap/aaf/cadi/locator/DME2Locator.java deleted file mode 100644 index 656fd19..0000000 --- a/client/src/main/java/org/onap/aaf/cadi/locator/DME2Locator.java +++ /dev/null @@ -1,347 +0,0 @@ -/*******************************************************************************
- * ============LICENSE_START====================================================
- * * org.onap.aaf
- * * ===========================================================================
- * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
- * * ===========================================================================
- * * 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.
- * * ============LICENSE_END====================================================
- * *
- * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
- * *
- ******************************************************************************/
-package org.onap.aaf.cadi.locator;
-
-
-import java.net.InetAddress;
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.net.UnknownHostException;
-import java.util.Arrays;
-import java.util.Comparator;
-import java.util.Properties;
-import java.util.Random;
-
-import org.onap.aaf.cadi.Access;
-import org.onap.aaf.cadi.Locator;
-import org.onap.aaf.cadi.LocatorException;
-import org.onap.aaf.cadi.PropAccess;
-import org.onap.aaf.cadi.Access.Level;
-
-import java.security.SecureRandom;
-
-//import com.att.aft.dme2.api.DME2Endpoint;
-import com.att.aft.dme2.api.DME2Exception;
-import com.att.aft.dme2.api.DME2Manager;
-import com.att.aft.dme2.api.DME2Server;
-import com.att.aft.dme2.manager.registry.DME2Endpoint;
-
-public class DME2Locator implements Locator<URI> {
- private DME2Manager dm;
- private DME2Endpoint[] endpoints;
- private Access access;
- private String service;
- private String version;
- private String routeOffer;
- private String envContext;
- private String thisMachine;
- private String pathInfo;
- private int thisPort;
- private boolean removeSelf;
- private final static SecureRandom random = new SecureRandom();
-
- // Default is to not bother trying to remove self
- public DME2Locator(Access access, DME2Manager dm, String service, String version, String envContext, String routeOffer) throws DME2Exception, UnknownHostException, LocatorException {
- this(access,dm,service,version,envContext,routeOffer,false);
- }
-
- public DME2Locator(Access access, DME2Manager dm, String service, String version, String envContext, String routeOffer, boolean removeSelf) throws DME2Exception, UnknownHostException, LocatorException {
- this.access = access;
- if(dm==null) {
- this.dm = new DME2Manager("DME2Locator created DME2Manager",System.getProperties());
- } else {
- this.dm = dm;
- }
- this.service = service;
- this.version = version;
- this.envContext = envContext;
- this.routeOffer = routeOffer;
- refresh();
- if(thisMachine==null) {
- // Can't get from dm...
- thisMachine = InetAddress.getLocalHost().getHostName();
- thisPort = 0;
- } else {
- thisPort = dm.getPort();
- }
-
- this.removeSelf = removeSelf;
- }
-
- // Default is to not bother trying to remove self
- public DME2Locator(Access access, DME2Manager dm, String aafurl) throws DME2Exception, UnknownHostException, LocatorException {
- this(access,dm,aafurl,false);
- }
-
- public DME2Locator(Access access, DME2Manager dm, String aafurl, boolean removeSelf) throws DME2Exception, UnknownHostException, LocatorException {
- if(aafurl==null) {
- throw new LocatorException("URL is null");
- }
- this.access = access;
- if(dm==null) {
- Properties dprops;
- if(access instanceof PropAccess) {
- dprops = ((PropAccess)access).getDME2Properties();
- } else {
- dprops = System.getProperties();
- }
- dm = this.dm = new DME2Manager("DME2Locator created DME2Manager",dprops);
- } else {
- this.dm = dm;
- }
- String[] split = aafurl.split("/");
- StringBuilder sb = new StringBuilder();
- boolean dme2Entered = false;
- for(String s : split) {
- if(s.startsWith("service=")) {
- this.service = s.substring(8);
- } else if(s.startsWith("version=")) {
- this.version = s.substring(8);
- } else if(s.startsWith("envContext=")) {
- this.envContext = s.substring(11);
- } else if(s.startsWith("routeOffer=")) {
- this.routeOffer = s.substring(11);
- dme2Entered = true;
- } else if(dme2Entered) {
- sb.append('/');
- sb.append(s);
- }
- }
- pathInfo = sb.toString();
- thisMachine = dm.getHostname();
- if(thisMachine==null) {
- // Can't get from dm...
- thisMachine = InetAddress.getLocalHost().getHostName();
- thisPort = 0;
- } else {
- thisPort = dm.getPort();
- }
- this.removeSelf=removeSelf;
- refresh();
- }
-
- @Override
- public boolean refresh() {
- try {
- dm.refresh();
- //endpoints = dm.findEndpoints(service, version, envContext, routeOffer, true);
- if(removeSelf) {
-// for(int i=0;i<endpoints.length;++i) {
-// if(endpoints[i].getPort()==thisPort && endpoints[i].getHost().equals(thisMachine))
-// endpoints[i]=null;
- }
- //}
- //return endpoints.length!=0;
- } catch (Exception e) {
- access.log(Level.ERROR, e.getMessage());
- }
- return false;
- }
-
- private String noEndpointsString() {
- StringBuilder sb = new StringBuilder("No DME2 Endpoints found for ");
- sb.append(service);
- sb.append('/');
- sb.append(version);
- sb.append('/');
- sb.append(envContext);
- sb.append('/');
- sb.append(routeOffer);
- return sb.toString();
- }
-
- @Override
- public URI get(Locator.Item item) throws LocatorException {
- if(!hasItems())
- throw new LocatorException(noEndpointsString());
- if(item == null)
- return null;
-
- DME2Item li = ((DME2Item)item);
- // if URI has been created, use it
- if(li.uri!=null)return li.uri;
-
- // URI not created, create it
-// if(li.idx<endpoints.length) {
-// DME2Endpoint de = endpoints[li.idx];
-// if(de!=null) {
-// try {
-// return li.uri=new URI(de.getProtocol().toLowerCase(),null,de.getHost(),de.getPort(),pathInfo,null,null);
-// } catch (URISyntaxException e) {
-// throw new LocatorException(e);
-// }
-// }
-// }
- return null;
- }
-
- @Override
- public boolean hasItems() {
- //return endpoints!=null && endpoints.length>0;
- return true;
- }
-
- @Override
- public void invalidate(Locator.Item item) throws LocatorException {
- if(item instanceof DME2Item) {
- int idx = ((DME2Item)item).idx;
-// if(idx<endpoints.length) {
-// DME2Endpoint uhoh = endpoints[idx]; // Sometimes, DME2Endpoint, at least on File system, returns bogus entries.
-// endpoints[idx]=null;
-// boolean noneLeft=true;
-// for(int i=0;i<endpoints.length && noneLeft;++i) {
-// noneLeft = endpoints[i]==null;
-// }
-// if(noneLeft && refresh()) { // make sure DME2 isn't giving us the same invalidated entry...
-// for(int i=0;i<endpoints.length && noneLeft;++i) {
-// DME2Endpoint ep = endpoints[i];
-// if(ep != null &&
-// ep.getHost().equals(uhoh.getHost()) &&
-// ep.getPort()==uhoh.getPort()) {
-// endpoints[i]=null;
-// }
-// }
-// }
-//
-// }
- }
- }
-
- public class DME2Item implements Locator.Item {
- private final int idx;
- private URI uri;
- private DME2Item(int i) {
- idx = i;
- uri = null;
- }
- }
-
- @Override
- public DME2Item best() throws LocatorException {
- if(!hasItems()) // checks endpoints
- if(!refresh()) throw new LocatorException("No DME2 Endpoints Available");
-
- // Some endpoints in Array are null. Need sub array of usable endpoints
- //int usable[] = new int[endpoints.length];
- int count=0;
-int[] usable = null;
- // for(int i=0;i<endpoints.length;++i) {
-// if(endpoints[i]!=null) {
-// usable[count++] = i;
-// }
-// }
- switch(count) {
- case 0: refresh(); return null;
- case 1: return new DME2Item(usable[0]);
- default:
- int samemach[] = new int[count];
- int samecount = 0,closecount=0;
- // has to be sortable
- Integer closemach[] = new Integer[count];
-
- // Analyze for Same Machine or Remote machines
-// for(int i=0;i<count;++i) {
-// DME2Endpoint ep = endpoints[usable[i]];
-// String host = ep.getHost();
-// if(thisMachine.equalsIgnoreCase(host)) {
-// samemach[samecount++] = usable[i];
-// } else {
-// closemach[closecount++] = usable[i];
-// }
-// }
-
- switch(samecount) {
- case 0: break;
- case 1: return new DME2Item(samemach[0]);
- default: // return randomized is multiple Endpoints on local machine.
- int i = random.nextInt();
- return new DME2Item(usable[Math.abs(i%samecount)]);
- }
-
- // Analyze for closest remote
- switch(closecount) {
- case 0: return null;
- case 1: return new DME2Item(closemach[0]);
- default: // return closest machine
- DoubIndex remote[] = new DoubIndex[closecount];
- int remotecount = 0;
- for(int i=0;i<closecount;++i) {
- //DME2Endpoint de = endpoints[usable[i]];
- // remote[remotecount++] = new DoubIndex(de.getDistance(),i);
- }
- Arrays.sort(remote,new Comparator<DoubIndex> () {
- @Override
- public int compare(DoubIndex a, DoubIndex b) {
- if(a.d<b.d) return -1;
- if(a.d>b.d) return 1;
- return (random.nextInt()%1)==0?1:0;// randomize if the same
- }
-
- });
- return new DME2Item(remote[0].idx);
- }
- }
- }
-
- private static class DoubIndex {
- public final double d;
- public final int idx;
-
- public DoubIndex(double doub, int i) {
- d = doub;
- idx = i;
- }
- }
- @Override
- public DME2Item first() {
-// if(endpoints==null)return null;
-// for(int i=0;i<endpoints.length;++i) {
-// if(endpoints[i]!=null)
-// return new DME2Item(i);
-// }
- return null;
- }
-
- @Override
- public DME2Item next(Locator.Item item) throws LocatorException {
- //if(endpoints==null || endpoints.length==0 || !(item instanceof DME2Item))return null;
- int idx = ((DME2Item)item).idx +1;
-// for(int i=idx;i<endpoints.length;++i) {
-// if(endpoints[i]!=null)
-// return new DME2Item(i);
-// }
-// This is a mistake.. will start infinite loops
-// // Did not have any at end... try beginning
-// for(int i=0;i<idx-1;++i) {
-// if(endpoints[i]!=null)
-// return new Item(i);
-// }
-// // If still nothing, refresh
-// refresh();
- return null;
- }
-
- @Override
- public void destroy() {
- }
-}
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