0001-Disconnect-the-previous-robot-when-switching-between.patch

From 96b680ac7127c741f49983f59755dfdc0a6df824 Mon Sep 17 00:00:00 2001
From: Stefan Sauer <ensonic@users.sf.net>
Date: Fri, 12 Feb 2016 13:54:44 +0100
Subject: [PATCH] Disconnect the previous robot when switching between ev3 and
 sim.

Otherwise the robot stays connected and if it tries to reconnect we get an
exception thrown.

Fixes #43
---
 .../javaServer/restServices/all/ClientAdmin.java   | 24 ++++++++++++++--------
 1 file changed, 15 insertions(+), 9 deletions(-)

diff --git a/OpenRobertaServer/src/main/java/de/fhg/iais/roberta/javaServer/restServices/all/ClientAdmin.java b/OpenRobertaServer/src/main/java/de/fhg/iais/roberta/javaServer/restServices/all/ClientAdmin.java
index 4ef0853..a929abc 100644
--- a/OpenRobertaServer/src/main/java/de/fhg/iais/roberta/javaServer/restServices/all/ClientAdmin.java
+++ b/OpenRobertaServer/src/main/java/de/fhg/iais/roberta/javaServer/restServices/all/ClientAdmin.java
@@ -75,17 +75,23 @@ public class ClientAdmin {
                 RobotDao robotDao = new RobotDao(dbSession);
                 Robot robot = robotDao.loadRobot(robotName);
                 if ( robot != null ) {
-                    // TODO remove this and use a communicator
-                    if ( robotName.equals("oraSim") ) {
-                        httpSessionState.setToken("00000000");
+                    Util.addSuccessInfo(response, Key.TOKEN_SET_SUCCESS);
+                    if ( httpSessionState.getRobotId() != robot.getId() ) {
+                        // disconnect previous robot
+                        this.brickCommunicator.disconnect(httpSessionState.getToken());
+                        // TODO remove this and use a communicator
+                        if ( robotName.equals("oraSim") ) {
+                            httpSessionState.setToken("00000000");
+                        } else {
+                            httpSessionState.setToken("123");
+                        }
+                        httpSessionState.setRobotId(robot.getId());
+                        response.put("robotId", robot.getId());
+                        response.put("robotName", robot.getName());
+                        LOG.info("set Robot: robot {} with id {}", robot.getName(), robot.getId());
                     } else {
-                        httpSessionState.setToken("123");
+                        LOG.info("set Robot: robot {} with id {} already set", robot.getName(), robot.getId());
                     }
-                    Util.addSuccessInfo(response, Key.TOKEN_SET_SUCCESS);
-                    httpSessionState.setRobotId(robot.getId());
-                    response.put("robotId", robot.getId());
-                    response.put("robotName", robot.getName());
-                    LOG.info("set Robot: robot {} with id {} ", robot.getName(), robot.getId());
                 } else {
                     LOG.error("Invalid command: " + cmd + " " + robotName);
                     Util.addErrorInfo(response, Key.COMMAND_INVALID);
-- 
2.7.0.rc3.207.g0ac5344