diff options
Diffstat (limited to 'client/src/main/java/org/onap/aaf/cadi/locator/PropertyLocator.java')
| -rw-r--r-- | client/src/main/java/org/onap/aaf/cadi/locator/PropertyLocator.java | 282 |
1 files changed, 0 insertions, 282 deletions
diff --git a/client/src/main/java/org/onap/aaf/cadi/locator/PropertyLocator.java b/client/src/main/java/org/onap/aaf/cadi/locator/PropertyLocator.java deleted file mode 100644 index 3d9470e..0000000 --- a/client/src/main/java/org/onap/aaf/cadi/locator/PropertyLocator.java +++ /dev/null @@ -1,282 +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.io.IOException;
-import java.net.InetAddress;
-import java.net.InetSocketAddress;
-import java.net.Socket;
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.net.UnknownHostException;
-import java.util.ArrayList;
-import java.util.List;
-import java.security.SecureRandom;
-import java.util.Timer;
-import java.util.TimerTask;
-
-import org.onap.aaf.cadi.Locator;
-import org.onap.aaf.cadi.LocatorException;
-
-import org.onap.aaf.inno.env.util.Split;
-
-public class PropertyLocator implements Locator<URI> {
- private final URI [] orig;
- private PLItem[] current;
- private int end;
- private final SecureRandom random;
- private URI[] resolved;
- private long lastRefreshed=0L;
- private long minRefresh;
- private long backgroundRefresh;
-
- public PropertyLocator(String locList) throws LocatorException {
- this(locList,10000L, 1000*60*20); // defaults, do not refresh more than once in 10 seconds, Refresh Locator every 20 mins.
- }
- /**
- * comma delimited root url list
- *
- * @param locList
- * @throws LocatorException
- */
- public PropertyLocator(String locList, long minRefreshMillis, long backgroundRefreshMillis) throws LocatorException {
- minRefresh = minRefreshMillis;
- backgroundRefresh = backgroundRefreshMillis;
- if(locList==null) {
- throw new LocatorException("No Location List given for PropertyLocator");
- }
- String[] locarray = Split.split(',',locList);
- List<URI> uriList = new ArrayList<URI>();
-
- random = new SecureRandom();
-
- for(int i=0;i<locarray.length;++i) {
- try {
- int range = locarray[i].indexOf(":[");
- if(range<0) {
- uriList.add(new URI(locarray[i]));
- } else {
- int dash = locarray[i].indexOf('-',range+2);
- int brac = locarray[i].indexOf(']',dash+1);
- int start = Integer.parseInt(locarray[i].substring(range+2, dash));
- int end = Integer.parseInt(locarray[i].substring(dash+1, brac));
- for(int port=start;port<=end;++port) {
- uriList.add(new URI(locarray[i].substring(0, range+1)+port));
- }
- }
- } catch (NumberFormatException nf) {
- throw new LocatorException("Invalid URI format: " + locarray[i]);
- } catch (URISyntaxException e) {
- throw new LocatorException(e);
- }
- }
- orig = new URI[uriList.size()];
- uriList.toArray(orig);
-
- refresh();
- new Timer("PropertyLocator Refresh Timer",true).scheduleAtFixedRate(new TimerTask() {
- @Override
- public void run() {
- refresh();
- }
- }, backgroundRefresh,backgroundRefresh);
-
- }
-
- @Override
- public URI get(Item item) throws LocatorException {
- synchronized(orig) {
- if(item==null) {
- return null;
- } else {
- return resolved[((PLItem)item).idx];
- }
- }
- }
-
- @Override
- public Item first() throws LocatorException {
- return end>0?current[0]:null;
- }
-
- @Override
- public boolean hasItems() {
- return end>0;
- }
-
- @Override
- public Item next(Item item) throws LocatorException {
- if(item==null) {
- return null;
- } else {
- int spot;
- if((spot=(((PLItem)item).order+1))>=end)return null;
- return current[spot];
- }
- }
-
- @Override
- public synchronized void invalidate(Item item) throws LocatorException {
- if(--end<=0) {
- refresh();
- return;
- }
- PLItem pli = (PLItem)item;
- int i,order;
- for(i=0;i<end;++i) {
- if(pli==current[i])break;
- }
- order = current[i].order;
- for(;i<end;++i) {
- current[i]=current[i+1];
- current[i].order=order++;
- }
- current[end]=pli;
- }
-
- @Override
- public Item best() throws LocatorException {
- if(current.length==0) {
- refresh();
- }
- switch(current.length) {
- case 0:
- return null;
- case 1:
- return current[0];
- default:
- return current[Math.abs(random.nextInt())%current.length];
- }
- }
-
- @Override
- public synchronized boolean refresh() {
- if(System.currentTimeMillis()>lastRefreshed) {
- // Build up list
- List<URI> resolve = new ArrayList<URI>();
- String realname;
- for(int i = 0; i < orig.length ; ++i) {
- try {
- InetAddress ia[] = InetAddress.getAllByName(orig[i].getHost());
-
- URI o,n;
- for(int j=0;j<ia.length;++j) {
- o = orig[i];
- Socket socket = new Socket();
- try {
- realname=ia[j].getCanonicalHostName();
- socket.connect(new InetSocketAddress(realname,o.getPort()),3000);
- if(socket.isConnected()) {
- n = new URI(
- o.getScheme(),
- o.getUserInfo(),
- realname,
- o.getPort(),
- o.getPath(),
- o.getQuery(),
- o.getFragment()
- );
- resolve.add(n);
- }
- } catch (IOException e) {
- } finally {
- if(!socket.isClosed()) {
- try {
- socket.close();
- } catch (IOException e) {
- // nothing to do.
- }
- }
- }
- }
- } catch (UnknownHostException | URISyntaxException e) {
- // Note: Orig Name already known as valid, based on constructor
- }
- }
- end=resolve.size();
- PLItem[] newCurrent;
- if(current==null || current.length!=end) {
- newCurrent = new PLItem[end];
- } else {
- newCurrent = current;
- }
-
- for(int i=0; i< end; ++i) {
- if(newCurrent[i]==null){
- newCurrent[i]=new PLItem(i);
- } else {
- newCurrent[i].idx=newCurrent[i].order=i;
- }
- }
- synchronized(orig) {
- resolved = new URI[end];
- resolve.toArray(resolved);
- current = newCurrent;
- }
- lastRefreshed = System.currentTimeMillis()+minRefresh;
- return !resolve.isEmpty();
- } else {
- return false;
- }
- }
-
- private class PLItem implements Item {
- public int idx,order;
-
- public PLItem(int i) {
- idx = order =i;
- }
-
- public String toString() {
- return "Item: " + idx + " order: " + order;
- }
- }
-
- public String toString() {
- StringBuilder sb = new StringBuilder();
- boolean first = true;
- for(URI uri : orig) {
- boolean isResolved=false;
- if(uri!=null) {
- if(first) {
- first = false;
- } else {
- sb.append(", ");
- }
- sb.append(uri.toString());
- sb.append(" [");
- for(URI u2 : resolved) {
- if(uri.equals(u2)) {
- isResolved = true;
- break;
- }
- }
- sb.append(isResolved?"X]\n":" ]");
- }
- }
- return sb.toString();
- }
-
- public void destroy() {
- }
-}
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