Removed stupid DNS query code

1 files changed, 23 insertions, 55 deletions

diff --git a/src/main/java/de/thedevstack/conversationsplus/xmpp/XmppConnection.java b/src/main/java/de/thedevstack/conversationsplus/xmpp/XmppConnection.java
index 37137eb3..d5ab9f90 100644
--- a/src/main/java/de/thedevstack/conversationsplus/xmpp/XmppConnection.java
+++ b/src/main/java/de/thedevstack/conversationsplus/xmpp/XmppConnection.java
@@ -1,8 +1,6 @@
 package de.thedevstack.conversationsplus.xmpp;
 
 import android.content.Context;
-import android.os.Bundle;
-import android.os.Parcelable;
 import android.os.PowerManager;
 import android.os.PowerManager.WakeLock;
 import android.os.SystemClock;
@@ -19,7 +17,6 @@ import java.io.InputStream;
 import java.io.OutputStream;
 import java.math.BigInteger;
 import java.net.ConnectException;
-import java.net.IDN;
 import java.net.InetAddress;
 import java.net.InetSocketAddress;
 import java.net.Socket;
@@ -35,6 +32,7 @@ import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
+import java.util.TreeSet;
 
 import javax.net.ssl.HostnameVerifier;
 import javax.net.ssl.SSLContext;
@@ -48,6 +46,7 @@ import de.thedevstack.conversationsplus.crypto.sasl.DigestMd5;
 import de.thedevstack.conversationsplus.crypto.sasl.Plain;
 import de.thedevstack.conversationsplus.crypto.sasl.SaslMechanism;
 import de.thedevstack.conversationsplus.crypto.sasl.ScramSha1;
+import de.thedevstack.conversationsplus.dto.SrvRecord;
 import de.thedevstack.conversationsplus.entities.Account;
 import de.thedevstack.conversationsplus.generator.IqGenerator;
 import de.thedevstack.conversationsplus.services.XmppConnectionService;
@@ -74,11 +73,10 @@ import de.thedevstack.conversationsplus.xmpp.stanzas.streammgmt.RequestPacket;
 import de.thedevstack.conversationsplus.xmpp.stanzas.streammgmt.ResumePacket;
 
 public class XmppConnection implements Runnable {
-
+    private static final int DEFAULT_PORT = 5222;
 	private static final int PACKET_IQ = 0;
 	private static final int PACKET_MESSAGE = 1;
 	private static final int PACKET_PRESENCE = 2;
-	private final Context applicationContext;
 	protected Account account;
 	private final WakeLock wakeLock;
 	private Socket socket;
@@ -120,7 +118,6 @@ public class XmppConnection implements Runnable {
 				PowerManager.PARTIAL_WAKE_LOCK, account.getJid().toBareJid().toString());
 		tagWriter = new TagWriter();
 		mXmppConnectionService = service;
-		applicationContext = service.getApplicationContext();
 	}
 
 	protected void changeStatus(final Account.State nextStatus) {
@@ -156,59 +153,30 @@ public class XmppConnection implements Runnable {
 			if (DNSHelper.isIp(account.getServer().toString())) {
 				socket = new Socket();
 				try {
-					socket.connect(new InetSocketAddress(account.getServer().toString(), 5222), Config.SOCKET_TIMEOUT * 1000);
+					socket.connect(new InetSocketAddress(account.getServer().toString(), DEFAULT_PORT), Config.SOCKET_TIMEOUT * 1000);
 				} catch (IOException e) {
 					throw new UnknownHostException();
 				}
 			} else {
-				final Bundle result = DNSHelper.getSRVRecord(account.getServer());
-				final ArrayList<Parcelable> values = result.getParcelableArrayList("values");
-				if ("timeout".equals(result.getString("error"))) {
-					throw new IOException("timeout in dns");
-				} else if (values != null) {
-					int i = 0;
-					boolean socketError = true;
-					while (socketError && values.size() > i) {
-						final Bundle namePort = (Bundle) values.get(i);
-						try {
-							String srvRecordServer;
-							try {
-								srvRecordServer = IDN.toASCII(namePort.getString("name"));
-							} catch (final IllegalArgumentException e) {
-								// TODO: Handle me?`
-								srvRecordServer = "";
-							}
-							final int srvRecordPort = namePort.getInt("port");
-							final String srvIpServer = namePort.getString("ip");
-							final InetSocketAddress addr;
-							if (srvIpServer != null) {
-								addr = new InetSocketAddress(srvIpServer, srvRecordPort);
-								Logging.d(Config.LOGTAG, account.getJid().toBareJid().toString()
-										+ ": using values from dns " + srvRecordServer
-										+ "[" + srvIpServer + "]:" + srvRecordPort);
-							} else {
-								addr = new InetSocketAddress(srvRecordServer, srvRecordPort);
-								Logging.d(Config.LOGTAG, account.getJid().toBareJid().toString()
-										+ ": using values from dns "
-										+ srvRecordServer + ":" + srvRecordPort);
-							}
-							socket = new Socket();
-							socket.connect(addr, Config.SOCKET_TIMEOUT * 1000);
-							socketError = false;
-						} catch (final UnknownHostException e) {
-							Logging.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": " + e.getMessage());
-							i++;
-						} catch (final IOException e) {
-							Logging.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": " + e.getMessage());
-							i++;
-						}
-					}
-					if (socketError) {
-						throw new UnknownHostException();
-					}
-				} else {
-					throw new IOException("unhandled exception in DNS resolver");
-				}
+                socket = new Socket();
+                TreeSet<SrvRecord> result = DNSHelper.querySrvRecord(account.getServer());
+                if (!result.isEmpty()) {
+                    for (SrvRecord record : result) {
+                        try {
+                            socket.connect(new InetSocketAddress(record.getName(), record.getPort()), Config.SOCKET_TIMEOUT * 1000);
+                            break;
+                        } catch (IOException e) {
+                            Logging.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": " + e.getMessage());
+                        }
+                    }
+                }
+                if (result.isEmpty() || !socket.isConnected()){
+                    try {
+                        socket.connect(new InetSocketAddress(account.getServer().getDomainpart(), DEFAULT_PORT), Config.SOCKET_TIMEOUT * 1000);
+                    } catch (IOException e) {
+                        throw new UnknownHostException();
+                    }
+                }
 			}
 			final OutputStream out = socket.getOutputStream();
 			tagWriter.setOutputStream(out);