include bt name of host in client games, but not of client[s] in host

games.  This allows clients to pass host name for use in addressing
when their initial message is sent.

xwords4/android/XWords4/src/org/eehouse/android/xw4/BTConnection.java

@@ -223,8 +223,9 @@ public class BTConnection extends BroadcastReceiver {
     }
 
     // 
-    public static void enqueueFor( byte[] buf )
+    public static void enqueueFor( byte[] buf, String target )
     {
+        DbgUtils.logf( "got %d bytes for %s", buf.length, target );
     }
 
     private static class InviteThread extends Thread {
@@ -357,7 +358,8 @@ public class BTConnection extends BroadcastReceiver {
         int gameID = is.readInt();
         DbgUtils.logf( "receiveInvitation: got gameID of %d", gameID );
 
-        GameUtils.makeNewBTGame( context, gameID );
+        BluetoothDevice host = socket.getRemoteDevice();
+        GameUtils.makeNewBTGame( context, gameID, host.getName() );
 
         // Post notification that, when selected, will create a game
         // -- or ask if user wants to create one.

xwords4/android/XWords4/src/org/eehouse/android/xw4/CommsTransport.java

@@ -38,6 +38,7 @@ import android.os.Message;
 import org.eehouse.android.xw4.jni.*;
 import org.eehouse.android.xw4.jni.JNIThread.*;
 import org.eehouse.android.xw4.jni.CurGameInfo.DeviceRole;
+import org.eehouse.android.xw4.jni.CommsAddrRec.CommsConnType;
 
 public class CommsTransport implements TransportProcs, 
                                        NetStateCache.StateChangedIf {
@@ -387,6 +388,8 @@ public class CommsTransport implements TransportProcs,
             // }
             break;
         case COMMS_CONN_BT:
+            BTConnection.enqueueFor( buf, m_addr.bt_hostName );
+            break;
         default:
             Assert.fail();
             break;
@@ -397,7 +400,7 @@ public class CommsTransport implements TransportProcs,
         // resend does.
         DbgUtils.logf( "transportSend(%d)=>%d", buf.length, nSent );
         return nSent;
-    } 
+    }
 
     public void relayStatus( CommsRelayState newState )
     {

xwords4/android/XWords4/src/org/eehouse/android/xw4/GameUtils.java

@@ -383,7 +383,8 @@ public class GameUtils {
     private static long makeNewMultiGame( Context context, CommsAddrRec addr,
                                           int[] lang, 
                                           int nPlayersT, int nPlayersH, 
-                                          String inviteID, int gameID )
+                                          String inviteID, int gameID,
+                                          boolean isHost, String btHost )
     {
         long rowid = -1;
 
@@ -395,6 +396,11 @@ public class GameUtils {
         if ( 0 != gameID ) {
             gi.gameID = gameID;
         }
+        if ( isHost ) {
+            gi.serverRole = DeviceRole.SERVER_ISSERVER;
+        } else if ( null != btHost ) {
+            addr.bt_hostName = btHost;
+        }
         // Will need to add a setNPlayers() method to gi to make this
         // work
         Assert.assertTrue( gi.nPlayers == nPlayersT );
@@ -418,7 +424,7 @@ public class GameUtils {
         addr.ip_relay_invite = room;
 
         return makeNewMultiGame( context, addr, lang, nPlayersT, 
-                                 nPlayersH, inviteID, 0 );
+                                 nPlayersH, inviteID, 0, false, null );
     }
 
     public static long makeNewNetGame( Context context, String room, 
@@ -434,7 +440,8 @@ public class GameUtils {
                                info.nPlayers );
     }
 
-    public static long makeNewBTGame( Context context, int gameID )
+    public static long makeNewBTGame( Context context, int gameID, 
+                                      String hostName )
     {
         long rowid = -1;
         CommsAddrRec addr = 
@@ -442,7 +449,8 @@ public class GameUtils {
                               CommsAddrRec.CommsConnType.COMMS_CONN_BT );
 
         int[] lang = { 1 };     // English
-        return makeNewMultiGame( context, addr, lang, 2, 1, null, gameID );
+        return makeNewMultiGame( context, addr, lang, 2, 1, 
+                                 null, gameID, null == hostName, hostName );
     }
 
     public static void launchInviteActivity( Context context, 

xwords4/android/XWords4/src/org/eehouse/android/xw4/NewGameActivity.java

@@ -284,7 +284,7 @@ public class NewGameActivity extends XWActivity
                         switch( msg.what ) {
                         case BTConnection.CONNECT_ACCEPTED:
                             GameUtils.makeNewBTGame( NewGameActivity.this,
-                                                     msg.arg1 );
+                                                     msg.arg1, null );
                             finish();
                             break;
                         case BTConnection.CONNECT_REFUSED: