diff options
author | 2019-03-16 23:56:27 +0300 | |
---|---|---|
committer | 2019-03-16 23:56:27 +0300 | |
commit | 06105f76dbfa3b65e63ed06f9c4d5107bd49ed88 (patch) | |
tree | 5702c01cec9688039d891f4a711878706101c1c5 /src/main/java/com/juick/server/xmpp/s2s/DNSQueries.java | |
parent | 3ea4cd1942fa4e763034da11c5fa429407b67829 (diff) | |
parent | a49105285d0d7719d7f222a507af2d5ac5b4bdb1 (diff) |
Merge remote-tracking branch 'origin/master'
Diffstat (limited to 'src/main/java/com/juick/server/xmpp/s2s/DNSQueries.java')
-rw-r--r-- | src/main/java/com/juick/server/xmpp/s2s/DNSQueries.java | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/src/main/java/com/juick/server/xmpp/s2s/DNSQueries.java b/src/main/java/com/juick/server/xmpp/s2s/DNSQueries.java deleted file mode 100644 index 1367d333..00000000 --- a/src/main/java/com/juick/server/xmpp/s2s/DNSQueries.java +++ /dev/null @@ -1,65 +0,0 @@ -/* - * Copyright (C) 2008-2017, Juick - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License as - * published by the Free Software Foundation, either version 3 of the - * License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Affero General Public License for more details. - * - * You should have received a copy of the GNU Affero General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -package com.juick.server.xmpp.s2s; - -import org.apache.commons.lang3.math.NumberUtils; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - -import java.net.InetSocketAddress; -import java.util.Hashtable; -import java.util.Random; -import javax.naming.NamingException; -import javax.naming.directory.Attribute; -import javax.naming.directory.DirContext; -import javax.naming.directory.InitialDirContext; - -/** - * - * @author ugnich - */ -public class DNSQueries { - - private static final Logger logger = LoggerFactory.getLogger(DNSQueries.class); - - private static Random rand = new Random(); - - public static InetSocketAddress getServerAddress(String hostname) { - - String host = hostname; - int port = 5269; - - Hashtable<String, String> env = new Hashtable<>(5); - env.put("java.naming.factory.initial", "com.sun.jndi.dns.DnsContextFactory"); - try { - DirContext ctx = new InitialDirContext(env); - Attribute att = ctx.getAttributes("_xmpp-server._tcp." + hostname, new String[]{"SRV"}).get("SRV"); - - if (att != null && att.size() > 0) { - int i = rand.nextInt(att.size()); - String srv[] = att.get(i).toString().split(" "); - port = NumberUtils.toInt(srv[2], 5269); - host = srv[3]; - } - ctx.close(); - } catch (NamingException e) { - logger.debug("SRV record for {} is not resolved, falling back to A record", hostname); - } - return new InetSocketAddress(host, port); - } -} |