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-rw-r--r--client/src/main/java/org/onap/aaf/cadi/locator/DNSLocator.java163
1 files changed, 0 insertions, 163 deletions
diff --git a/client/src/main/java/org/onap/aaf/cadi/locator/DNSLocator.java b/client/src/main/java/org/onap/aaf/cadi/locator/DNSLocator.java
deleted file mode 100644
index 9d420d2..0000000
--- a/client/src/main/java/org/onap/aaf/cadi/locator/DNSLocator.java
+++ /dev/null
@@ -1,163 +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.URI;
-import java.net.URISyntaxException;
-
-import org.onap.aaf.cadi.Access;
-import org.onap.aaf.cadi.Locator;
-import org.onap.aaf.cadi.LocatorException;
-import org.onap.aaf.cadi.Access.Level;
-
-public class DNSLocator implements Locator<URI> {
- private static enum Status {UNTRIED, OK, INVALID, SLOW};
- private static final int CHECK_TIME = 3000;
-
- private String host, protocol;
- private Access access;
- private Host[] hosts;
- private int startPort, endPort;
- private String suffix;
-
- public DNSLocator(Access access, String protocol, String host, String range) {
- this.host = host;
- this.protocol = protocol;
- this.access = access;
- int dash = range.indexOf('-');
- if(dash<0) {
- startPort = endPort = Integer.parseInt(range);
- } else {
- startPort = Integer.parseInt(range.substring(0,dash));
- endPort = Integer.parseInt(range.substring(dash + 1));
- }
- refresh();
- }
-
- @Override
- public URI get(Item item) throws LocatorException {
- return hosts[((DLItem)item).cnt].uri;
- }
-
- @Override
- public boolean hasItems() {
- for(Host h : hosts) {
- if(h.status==Status.OK) {
- return true;
- }
- }
- return false;
- }
-
- @Override
- public void invalidate(Item item) {
- DLItem di = (DLItem)item;
- hosts[di.cnt].status = Status.INVALID;
- }
-
- @Override
- public Item best() throws LocatorException {
- // not a good "best"
- for(int i=0;i<hosts.length;++i) {
- switch(hosts[i].status) {
- case OK:
- return new DLItem(i);
- case INVALID:
- break;
- case SLOW:
- break;
- case UNTRIED:
- try {
- if(hosts[i].ia.isReachable(CHECK_TIME)) {
- hosts[i].status = Status.OK;
- return new DLItem(i);
- }
- } catch (IOException e) {
- throw new LocatorException(e);
- }
- break;
- default:
- break;
- }
- }
- throw new LocatorException("No Available URIs for " + host);
- }
-
- @Override
- public Item first() throws LocatorException {
- return new DLItem(0);
- }
-
- @Override
- public Item next(Item item) throws LocatorException {
- DLItem di = (DLItem)item;
- if(++di.cnt<hosts.length) {
- return di;
- } else {
- return null;
- }
- }
-
- @Override
- public boolean refresh() {
- try {
- InetAddress[] ias = InetAddress.getAllByName(host);
- Host[] temp = new Host[ias.length * (1 + endPort - startPort)];
- int cnt = -1;
- for(int j=startPort; j<=endPort; ++j) {
- for(int i=0;i<ias.length;++i) {
- temp[++cnt] = new Host(ias[i], j, suffix);
- }
- }
- hosts = temp;
- return true;
- } catch (Exception e) {
- access.log(Level.ERROR, e);
- }
- return false;
- }
-
- private class Host {
- private URI uri;
- private InetAddress ia;
- private Status status;
-
- public Host(InetAddress inetAddress, int port, String suffix) throws URISyntaxException {
- ia = inetAddress;
- uri = new URI(protocol,null,inetAddress.getHostAddress(),port,suffix,null,null);
- status = Status.UNTRIED;
- }
- }
-
- private class DLItem implements Item {
- public DLItem(int i) {
- cnt = i;
- }
-
- private int cnt;
- }
-
- public void destroy() {}
-}