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SMACK-225 Fixed DNS SRV handling, as per RFC 2782. Added support for multiple DNS SRV resolvers namely javax and org.xbill.dns (aka dnsjava).

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git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/branches/smack_3_3_0@13561 b35dd754-fafc-0310-a699-88a17e54d16e
This commit is contained in:
Florian Schmaus 2013-03-18 08:53:11 +00:00 • committed by flow
parent 21be8c55ee
commit 2eb13f48d2
12 changed files with 756 additions and 210 deletions
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72
source/org/jivesoftware/smack/XMPPConnection.java
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@ -26,6 +26,7 @@ import org.jivesoftware.smack.packet.Packet;
import org.jivesoftware.smack.packet.Presence;
import org.jivesoftware.smack.packet.XMPPError;
import org.jivesoftware.smack.util.StringUtils;
import org.jivesoftware.smack.util.dns.HostAddress;
import javax.net.ssl.KeyManager;
import javax.net.ssl.KeyManagerFactory;
@ -51,6 +52,9 @@ import java.security.KeyStore;
import java.security.Provider;
import java.security.Security;
import java.util.Collection;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
/**
* Creates a socket connection to a XMPP server. This is the default connection
@ -546,27 +550,57 @@ public class XMPPConnection extends Connection {
}
private void connectUsingConfiguration(ConnectionConfiguration config) throws XMPPException {
String host = config.getHost();
int port = config.getPort();
try {
if (config.getSocketFactory() == null) {
this.socket = new Socket(host, port);
XMPPException exception = null;
Iterator<HostAddress> it = config.getHostAddresses().iterator();
List<HostAddress> failedAddresses = new LinkedList<HostAddress>();
boolean xmppIOError = false;
while (it.hasNext()) {
exception = null;
HostAddress hostAddress = it.next();
String host = hostAddress.getFQDN();
int port = hostAddress.getPort();
try {
if (config.getSocketFactory() == null) {
this.socket = new Socket(host, port);
}
else {
this.socket = config.getSocketFactory().createSocket(host, port);
}
} catch (UnknownHostException uhe) {
String errorMessage = "Could not connect to " + host + ":" + port + ".";
exception = new XMPPException(errorMessage, new XMPPError(XMPPError.Condition.remote_server_timeout,
errorMessage), uhe);
} catch (IOException ioe) {
String errorMessage = "XMPPError connecting to " + host + ":" + port + ".";
exception = new XMPPException(errorMessage, new XMPPError(XMPPError.Condition.remote_server_error,
errorMessage), ioe);
xmppIOError = true;
}
else {
this.socket = config.getSocketFactory().createSocket(host, port);
if (exception == null) {
// We found a host to connect to, break here
config.setUsedHostAddress(hostAddress);
break;
}
hostAddress.setException(exception);
failedAddresses.add(hostAddress);
if (!it.hasNext()) {
// There are no more host addresses to try
// throw an exception and report all tried
// HostAddresses in the exception
StringBuilder sb = new StringBuilder();
for (HostAddress fha : failedAddresses) {
sb.append(fha.getErrorMessage());
sb.append("; ");
}
XMPPError xmppError;
if (xmppIOError) {
xmppError = new XMPPError(XMPPError.Condition.remote_server_error);
}
else {
xmppError = new XMPPError(XMPPError.Condition.remote_server_timeout);
}
throw new XMPPException(sb.toString(), xmppError);
}
}
catch (UnknownHostException uhe) {
String errorMessage = "Could not connect to " + host + ":" + port + ".";
throw new XMPPException(errorMessage, new XMPPError(
XMPPError.Condition.remote_server_timeout, errorMessage),
uhe);
}
catch (IOException ioe) {
String errorMessage = "XMPPError connecting to " + host + ":"
+ port + ".";
throw new XMPPException(errorMessage, new XMPPError(
XMPPError.Condition.remote_server_error, errorMessage), ioe);
}
socketClosed = false;
initConnection();