no dns retry after nosrv error

src/eu/siacs/conversations/utils/DNSHelper.java

@@ -30,17 +30,16 @@ public class DNSHelper {
 		String dns[] = client.findDNS();
 
 		if (dns != null) {
-			// we have a list of DNS servers, let's go
 			for (String dnsserver : dns) {
 				InetAddress ip = InetAddress.getByName(dnsserver);
 				Bundle b = queryDNS(host, ip);
 				if (b.containsKey("name")) {
 					return b;
+				} else if (b.containsKey("error") && "nosrv".equals(b.getString("error", null))) {
+					return b;
 				}
 			}
 		}
-
-		// fallback
 		return queryDNS(host, InetAddress.getByName("8.8.8.8"));
 	}
 
@@ -164,10 +163,8 @@ public class DNSHelper {
 			}
 
 		} catch (SocketTimeoutException e) {
-			Log.d(Config.LOGTAG, "timeout during dns");
 			namePort.putString("error", "timeout");
 		} catch (Exception e) {
-			Log.d(Config.LOGTAG, "unhandled exception in sub project");
 			namePort.putString("error", "unhandled");
 		}
 		return namePort;

src/eu/siacs/conversations/xmpp/XmppConnection.java

@@ -166,8 +166,12 @@ public class XmppConnection implements Runnable {
 							+ ":" + srvRecordPort);
 					socket = new Socket(srvRecordServer, srvRecordPort);
 				}
-			} else {
+			} else if (namePort.containsKey("error") && "nosrv".equals(namePort.getString("error", null))) {
 				socket = new Socket(account.getServer(), 5222);
+			} else {
+				Log.d(Config.LOGTAG,account.getJid()+": timeout in DNS resolution");
+				changeStatus(Account.STATUS_OFFLINE);
+				return;
 			}
 			OutputStream out = socket.getOutputStream();
 			tagWriter.setOutputStream(out);