reworked dns retry
This commit is contained in:
iNPUTmice
parent
915def24f9
commit
7dcce220cb
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@ -33,7 +33,7 @@ public class DNSHelper {
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for (String dnsserver : dns) {
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InetAddress ip = InetAddress.getByName(dnsserver);
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Bundle b = queryDNS(host, ip);
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if (b.containsKey("name")) {
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if (b.containsKey("values")) {
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return b;
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} else if (b.containsKey("error")
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&& "nosrv".equals(b.getString("error", null))) {
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@ -45,7 +45,7 @@ public class DNSHelper {
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}
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public static Bundle queryDNS(String host, InetAddress dnsServer) {
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Bundle namePort = new Bundle();
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Bundle bundle = new Bundle();
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try {
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String qname = "_xmpp-client._tcp." + host;
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Log.d(Config.LOGTAG,
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@ -133,42 +133,28 @@ public class DNSHelper {
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}
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if (result.size() == 0) {
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namePort.putString("error", "nosrv");
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return namePort;
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bundle.putString("error", "nosrv");
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return bundle;
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}
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// we now have a list of servers to try :-)
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// classic name/port pair
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String resultName = result.get(0).getName();
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namePort.putString("name", resultName);
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namePort.putInt("port", result.get(0).getPort());
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if (ips4.containsKey(resultName)) {
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// we have an ip!
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ArrayList<String> ip = ips4.get(resultName);
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ArrayList<Bundle> values = new ArrayList<Bundle>();
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for (SRV srv : result) {
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Bundle namePort = new Bundle();
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namePort.putString("name", srv.getName());
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namePort.putInt("port", srv.getPort());
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if (ips4.containsKey(srv.getName())) {
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ArrayList<String> ip = ips4.get(srv.getName());
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Collections.shuffle(ip, rnd);
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namePort.putString("ipv4", ip.get(0));
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}
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if (ips6.containsKey(resultName)) {
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ArrayList<String> ip = ips6.get(resultName);
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Collections.shuffle(ip, rnd);
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namePort.putString("ipv6", ip.get(0));
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values.add(namePort);
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}
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// add all other records
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int i = 0;
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for (SRV srv : result) {
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namePort.putString("name" + i, srv.getName());
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namePort.putInt("port" + i, srv.getPort());
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i++;
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}
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bundle.putParcelableArrayList("values", values);
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} catch (SocketTimeoutException e) {
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namePort.putString("error", "timeout");
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bundle.putString("error", "timeout");
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} catch (Exception e) {
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namePort.putString("error", "unhandled");
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bundle.putString("error", "unhandled");
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}
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return namePort;
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return bundle;
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}
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final protected static char[] hexArray = "0123456789ABCDEF".toCharArray();
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@ -4,6 +4,7 @@ import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.math.BigInteger;
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import java.net.InetSocketAddress;
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import java.net.Socket;
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import java.net.UnknownHostException;
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import java.security.KeyManagementException;
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@ -32,6 +33,7 @@ import de.duenndns.ssl.MemorizingTrustManager;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.os.Bundle;
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import android.os.Parcelable;
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import android.os.PowerManager;
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import android.os.PowerManager.WakeLock;
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import android.os.SystemClock;
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@ -155,50 +157,47 @@ public class XmppConnection implements Runnable {
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tagWriter = new TagWriter();
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packetCallbacks.clear();
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this.changeStatus(Account.STATUS_CONNECTING);
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Bundle namePort = DNSHelper.getSRVRecord(account.getServer());
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if ("timeout".equals(namePort.getString("error"))) {
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Bundle result = DNSHelper.getSRVRecord(account.getServer());
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ArrayList<Parcelable> values = result.getParcelableArrayList("values");
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if ("timeout".equals(result.getString("error"))) {
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Log.d(Config.LOGTAG, account.getJid() + ": dns timeout");
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this.changeStatus(Account.STATUS_OFFLINE);
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return;
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}
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} else if (values != null) {
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int i = 0;
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boolean socketError = true;
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while (socketError && values.size() > i) {
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Bundle namePort = (Bundle) values.get(i);
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try {
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String srvRecordServer = namePort.getString("name");
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String srvIpServer = namePort.getString("ipv4");
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int srvRecordPort = namePort.getInt("port");
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if (srvRecordServer != null) {
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String srvIpServer = namePort.getString("ipv4");
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InetSocketAddress addr;
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if (srvIpServer!=null) {
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addr = new InetSocketAddress(srvIpServer, srvRecordPort);
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Log.d(Config.LOGTAG, account.getJid()
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+ ": using values from dns " + srvRecordServer
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+ "[" + srvIpServer + "]:" + srvRecordPort);
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socket = new Socket(srvIpServer, srvRecordPort);
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} else {
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boolean socketError = true;
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int srvIndex = 0;
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while (socketError
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&& namePort.containsKey("name" + srvIndex)) {
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try {
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srvRecordServer = namePort.getString("name"
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+ srvIndex);
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srvRecordPort = namePort.getInt("port" + srvIndex);
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addr = new InetSocketAddress(srvRecordServer, srvRecordPort);
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Log.d(Config.LOGTAG, account.getJid()
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+ ": using values from dns "
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+ srvRecordServer + ":" + srvRecordPort);
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socket = new Socket(srvRecordServer, srvRecordPort);
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}
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socket = new Socket();
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socket.connect(addr, 20000);
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socketError = false;
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} catch (UnknownHostException e) {
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srvIndex++;
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if (!namePort.containsKey("name" + srvIndex)) {
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throw e;
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}
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i++;
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} catch (IOException e) {
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srvIndex++;
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if (!namePort.containsKey("name" + srvIndex)) {
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throw e;
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i++;
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}
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}
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if (socketError) {
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throw new IOException();
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}
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}
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} else if (namePort.containsKey("error")
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&& "nosrv".equals(namePort.getString("error", null))) {
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} else if (result.containsKey("error")
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&& "nosrv".equals(result.getString("error", null))) {
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socket = new Socket(account.getServer(), 5222);
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} else {
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Log.d(Config.LOGTAG, account.getJid()
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