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();
- }
+ 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();
+ }
- public DNSLocator(Access access, String aaf_locate) throws LocatorException {
- this.access = access;
- if(aaf_locate==null) {
- throw new LocatorException("Null passed into DNSLocator constructor");
- }
- int start, port;
- if(aaf_locate.startsWith("https:")) {
- protocol = "https:";
- start = 9; // https://
- port = 443;
- } else if(aaf_locate.startsWith("http:")) {
- protocol = "http:";
- start = 8; // http://
- port = 80;
- } else {
- throw new LocatorException("DNSLocator accepts only https or http protocols. (requested URL " + aaf_locate + ')');
- }
-
- parsePorts(aaf_locate.substring(start), port);
- }
+ public DNSLocator(Access access, String aaf_locate) throws LocatorException {
+ this.access = access;
+ if(aaf_locate==null) {
+ throw new LocatorException("Null passed into DNSLocator constructor");
+ }
+ int start, port;
+ if(aaf_locate.startsWith("https:")) {
+ protocol = "https:";
+ start = 9; // https://
+ port = 443;
+ } else if(aaf_locate.startsWith("http:")) {
+ protocol = "http:";
+ start = 8; // http://
+ port = 80;
+ } else {
+ throw new LocatorException("DNSLocator accepts only https or http protocols. (requested URL " + aaf_locate + ')');
+ }
+
+ parsePorts(aaf_locate.substring(start), port);
+ }
- @Override
- public URI get(Item item) throws LocatorException {
- return hosts[((DLItem)item).cnt].uri;
- }
+ @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 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 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 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 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 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 void parsePorts(String aaf_locate, int defaultPort) throws LocatorException {
- int slash, start;
- int colon = aaf_locate.indexOf(':');
- if(colon > 0) {
- start = colon + 1;
- int left = aaf_locate.indexOf('[', start);
- if(left > 0) {
- int right = aaf_locate.indexOf(']', left + 1);
- if (right < 0) {
- throw new LocatorException("Missing closing bracket in DNSLocator constructor. (requested URL " + aaf_locate + ')');
- } else if (right == (left + 1)) {
- throw new LocatorException("Missing ports in brackets in DNSLocator constructor. (requested URL " + aaf_locate + ')');
- }
- int dash = aaf_locate.indexOf('-', left + 1);
- if (dash == (right - 1) || dash == (left + 1)) {
- throw new LocatorException("Missing ports in brackets in DNSLocator constructor. (requested URL " + aaf_locate + ')');
- }
- if(dash < 0) {
- startPort = endPort = Integer.parseInt(aaf_locate.substring(left + 1, right));
- } else {
- startPort = Integer.parseInt(aaf_locate.substring(left + 1, dash));
- endPort = Integer.parseInt(aaf_locate.substring(dash + 1, right));
- }
-
- } else {
- slash = aaf_locate.indexOf('/', start);
- if (slash == start) {
- throw new LocatorException("Missing port before '/' in DNSLocator constructor. (requested URL " + aaf_locate + ')');
- }
- if(slash < 0) {
- startPort = endPort = Integer.parseInt(aaf_locate.substring(start));
- } else {
- startPort = endPort = Integer.parseInt(aaf_locate.substring(start, slash));
- }
- }
- } else {
- startPort = endPort = defaultPort;
- }
- }
+ @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 void parsePorts(String aaf_locate, int defaultPort) throws LocatorException {
+ int slash, start;
+ int colon = aaf_locate.indexOf(':');
+ if(colon > 0) {
+ start = colon + 1;
+ int left = aaf_locate.indexOf('[', start);
+ if(left > 0) {
+ int right = aaf_locate.indexOf(']', left + 1);
+ if (right < 0) {
+ throw new LocatorException("Missing closing bracket in DNSLocator constructor. (requested URL " + aaf_locate + ')');
+ } else if (right == (left + 1)) {
+ throw new LocatorException("Missing ports in brackets in DNSLocator constructor. (requested URL " + aaf_locate + ')');
+ }
+ int dash = aaf_locate.indexOf('-', left + 1);
+ if (dash == (right - 1) || dash == (left + 1)) {
+ throw new LocatorException("Missing ports in brackets in DNSLocator constructor. (requested URL " + aaf_locate + ')');
+ }
+ if(dash < 0) {
+ startPort = endPort = Integer.parseInt(aaf_locate.substring(left + 1, right));
+ } else {
+ startPort = Integer.parseInt(aaf_locate.substring(left + 1, dash));
+ endPort = Integer.parseInt(aaf_locate.substring(dash + 1, right));
+ }
+
+ } else {
+ slash = aaf_locate.indexOf('/', start);
+ if (slash == start) {
+ throw new LocatorException("Missing port before '/' in DNSLocator constructor. (requested URL " + aaf_locate + ')');
+ }
+ if(slash < 0) {
+ startPort = endPort = Integer.parseInt(aaf_locate.substring(start));
+ } else {
+ startPort = endPort = Integer.parseInt(aaf_locate.substring(start, slash));
+ }
+ }
+ } else {
+ startPort = endPort = defaultPort;
+ }
+ }
- 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 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() {}
+ private int cnt;
+ }
+
+ public void destroy() {}
}
Code Review / aaf / authz.git / blobdiff