report host-account as account state in UI

src/main/java/eu/siacs/conversations/entities/Account.java

@@ -94,7 +94,8 @@ public class Account extends AbstractEntity {
 		SECURITY_ERROR(true),
 		INCOMPATIBLE_SERVER(true),
 		TOR_NOT_AVAILABLE(true),
-		BIND_FAILURE(true);
+		BIND_FAILURE(true),
+		HOST_UNKNOWN(true);
 
 		private final boolean isError;
 
@@ -142,6 +143,8 @@ public class Account extends AbstractEntity {
 					return R.string.account_status_tor_unavailable;
 				case BIND_FAILURE:
 					return R.string.account_status_bind_failure;
+				case HOST_UNKNOWN:
+					return R.string.account_status_host_unknown;
 				default:
 					return R.string.account_status_unknown;
 			}

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

@@ -880,6 +880,7 @@ public class XmppConnection implements Runnable {
 	}
 
 	public void resetEverything() {
+		resetAttemptCount();
 		resetStreamId();
 		clearIqCallbacks();
 		mStanzaQueue.clear();
@@ -1173,15 +1174,20 @@ public class XmppConnection implements Runnable {
 	private void processStreamError(final Tag currentTag)
 		throws XmlPullParserException, IOException {
 		final Element streamError = tagReader.readElement(currentTag);
-		if (streamError != null && streamError.hasChild("conflict")) {
+		if (streamError == null) {
+			return;
+		}
+		Log.d(Config.LOGTAG,account.getJid().toBareJid()+": stream error "+streamError.toString());
+		if (streamError.hasChild("conflict")) {
 			final String resource = account.getResource().split("\\.")[0];
 			account.setResource(resource + "." + nextRandomId());
 			Log.d(Config.LOGTAG,
 					account.getJid().toBareJid() + ": switching resource due to conflict ("
 					+ account.getResource() + ")");
-		} else if (streamError != null) {
+		} else if (streamError.hasChild("host-unknown")) {
-			Log.d(Config.LOGTAG,account.getJid().toBareJid()+": stream error "+streamError.toString());
+			changeStatus(Account.State.HOST_UNKNOWN);
 		}
+		forceCloseSocket();
 	}
 
 	private void sendStartStream() throws IOException {

src/main/res/values/strings.xml

@@ -542,6 +542,7 @@
 	<string name="pref_use_white_background_summary">Show received messages as black text on a white background</string>
 	<string name="account_status_tor_unavailable">Tor network unavailable</string>
 	<string name="account_status_bind_failure">Bind failure</string>
+	<string name="account_status_host_unknown">Domain not recognized</string>
 	<string name="server_info_broken">Broken</string>
 	<string name="pref_presence_settings">Presence</string>
 	<string name="pref_away_when_screen_off">Away when screen is off</string>