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[cooja/serialsocket] SerialSocketClient: Status bar and improved
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action/event handling and visualization
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Enrico Joerns committed Aug 28, 2014
1 parent d90aec2 commit 153457a
Showing 1 changed file with 124 additions and 93 deletions.
217 changes: 124 additions & 93 deletions tools/cooja/apps/serial_socket/java/org/contikios/cooja/serialsocket/SerialSocketClient.java
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@@ -1,6 +1,7 @@
package org.contikios.cooja.serialsocket;

/*
* Copyright (c) 2014, TU Braunschweig.
* Copyright (c) 2010, Swedish Institute of Computer Science.
* All rights reserved.
*
Expand Down Expand Up @@ -31,33 +32,33 @@
*/

import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.ComponentOrientation;
import java.awt.Dimension;
import java.awt.Color;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.Socket;
import java.text.NumberFormat;
import java.text.ParseException;
import java.util.Collection;
import java.util.Observable;
import java.util.Observer;
import java.util.logging.Level;

import javax.swing.BorderFactory;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JFormattedTextField;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JSeparator;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;
import javax.swing.border.EtchedBorder;
import javax.swing.text.NumberFormatter;

import org.apache.log4j.Logger;
Expand All @@ -76,30 +77,36 @@
* Socket to simulated serial port forwarder. Client version.
*
* @author Fredrik Osterlind
* @author Enrico Jorns
*/
@ClassDescription("Serial Socket (CLIENT)")
@PluginType(PluginType.MOTE_PLUGIN)
public class SerialSocketClient extends VisPlugin implements MotePlugin {
private static final long serialVersionUID = 1L;
private static Logger logger = Logger.getLogger(SerialSocketClient.class);

private final static int LABEL_WIDTH = 100;
private final static int LABEL_HEIGHT = 15;

public final static String SERVER_HOST = "localhost";
public final static int SERVER_PORT = 1234;

private static final Logger logger = Logger.getLogger(SerialSocketClient.class);

private static final String SERVER_DEFAULT_HOST = "localhost";
private static final int SERVER_DEFAULT_PORT = 1234;

private static final Color ST_COLOR_UNCONNECTED = Color.DARK_GRAY;
private static final Color ST_COLOR_CONNECTED = new Color(0, 161, 83);
private static final Color ST_COLOR_FAILED = Color.RED;

private SerialPort serialPort;
private Observer serialDataObserver;

private JLabel statusLabel, inLabel, outLabel;
private JLabel socketToMoteLabel;
private JLabel moteToSocketLabel;
private JLabel socketStatusLabel;
private JButton serverSelectButton;

private int inBytes = 0, outBytes = 0;

private Socket socket;
private DataInputStream in;
private DataOutputStream out;

private Mote mote;
private final Mote mote;

public SerialSocketClient(Mote mote, Simulation simulation, final Cooja gui) {
super("Serial Socket (CLIENT) (" + mote + ")", gui, false);
Expand All @@ -111,6 +118,8 @@ public SerialSocketClient(Mote mote, Simulation simulation, final Cooja gui) {
setResizable(false);
setLayout(new BorderLayout());

// --- Server setup

GridBagConstraints c = new GridBagConstraints();
JPanel serverSelectPanel = new JPanel(new GridBagLayout());
pack();
Expand All @@ -122,7 +131,7 @@ public SerialSocketClient(Mote mote, Simulation simulation, final Cooja gui) {
c.gridx++;
serverSelectPanel.add(label, c);

final JTextField serverHostField = new JTextField("localhost");
final JTextField serverHostField = new JTextField(SERVER_DEFAULT_HOST);
serverHostField.setColumns(10);
c.gridx++;
c.weightx = 1.0;
Expand All @@ -132,15 +141,16 @@ public SerialSocketClient(Mote mote, Simulation simulation, final Cooja gui) {
c.gridx++;
c.weightx = 0.0;
serverSelectPanel.add(label, c);

final JFormattedTextField serverPort = new JFormattedTextField(
new NumberFormatter(NumberFormat.getIntegerInstance()));
serverPort.setColumns(5);
serverPort.setText("1234");

NumberFormat nf = NumberFormat.getIntegerInstance();
nf.setGroupingUsed(false);
final JFormattedTextField serverPortField = new JFormattedTextField(new NumberFormatter(nf));
serverPortField.setColumns(5);
serverPortField.setText(String.valueOf(SERVER_DEFAULT_PORT));
c.gridx++;
serverSelectPanel.add(serverPort, c);
final JButton serverSelectButton = new JButton("Connect");
serverSelectPanel.add(serverPortField, c);

serverSelectButton = new JButton("Connect");
c.gridx++;
serverSelectPanel.add(serverSelectButton, c);

Expand All @@ -149,76 +159,105 @@ public SerialSocketClient(Mote mote, Simulation simulation, final Cooja gui) {
c.gridwidth = GridBagConstraints.REMAINDER;
c.fill = GridBagConstraints.HORIZONTAL;
serverSelectPanel.add(new JSeparator(JSeparator.HORIZONTAL), c);

add(BorderLayout.NORTH, serverSelectPanel);

serverSelectButton.addActionListener(new ActionListener() {
// --- Incoming / outgoing info

@Override
public void actionPerformed(ActionEvent e) {
try {
logger.info("Connecting: " + SERVER_HOST + ":" + SERVER_PORT);
socket = new Socket(SERVER_HOST, SERVER_PORT);
in = new DataInputStream(socket.getInputStream());
out = new DataOutputStream(socket.getOutputStream());
out.flush();
startSocketReadThread(in);
} catch (Exception ex) {
throw (RuntimeException) new RuntimeException(
"Connection error: " + ex.getMessage()).initCause(ex);
}
}
});


JPanel connectionInfoPanel = new JPanel(new GridBagLayout());
connectionInfoPanel.setBorder(BorderFactory.createEmptyBorder(3, 3, 3, 3));
JPanel connectionInfoPanel = new JPanel(new GridLayout(0, 2));
connectionInfoPanel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
c = new GridBagConstraints();

label = new JLabel("Status:");
label = new JLabel("socket -> mote: ");
label.setHorizontalAlignment(JLabel.RIGHT);
c.gridx = 0;
c.gridy = 0;
c.anchor = GridBagConstraints.EAST;
c.ipadx = 5;
connectionInfoPanel.add(label, c);

final JLabel socketStatusLabel = new JLabel("disconnected");
c.gridx++;
c.anchor = GridBagConstraints.WEST;
connectionInfoPanel.add(socketStatusLabel, c);

label = new JLabel("socket -> mote:");
c.gridx = 0;
c.gridy++;
c.anchor = GridBagConstraints.EAST;
connectionInfoPanel.add(label, c);
connectionInfoPanel.add(label);

final JLabel socketToMoteLabel = new JLabel("0 bytes");
socketToMoteLabel = new JLabel("0 bytes");
c.gridx++;
c.anchor = GridBagConstraints.WEST;
connectionInfoPanel.add(socketToMoteLabel, c);
connectionInfoPanel.add(socketToMoteLabel);

label = new JLabel("mote -> socket:");
label = new JLabel("mote -> socket: ");
label.setHorizontalAlignment(JLabel.RIGHT);
c.gridx = 0;
c.gridy++;
c.anchor = GridBagConstraints.EAST;
connectionInfoPanel.add(label, c);
connectionInfoPanel.add(label);

final JLabel moteToSocketLabel = new JLabel("0 bytes");
moteToSocketLabel = new JLabel("0 bytes");
c.gridx++;
c.anchor = GridBagConstraints.WEST;
connectionInfoPanel.add(moteToSocketLabel, c);
connectionInfoPanel.add(moteToSocketLabel);

add(BorderLayout.CENTER, connectionInfoPanel);

// --- Status bar

JPanel statusBarPanel = new JPanel(new BorderLayout());
statusBarPanel.setLayout(new BoxLayout(statusBarPanel, BoxLayout.LINE_AXIS));
statusBarPanel.setBorder(BorderFactory.createEtchedBorder(EtchedBorder.RAISED));
label = new JLabel("Status: ");
statusBarPanel.add(label);

socketStatusLabel = new JLabel("disconnected");
socketStatusLabel.setForeground(Color.DARK_GRAY);
statusBarPanel.add(socketStatusLabel);

add(BorderLayout.SOUTH, statusBarPanel);

/* Mote serial port */
serialPort = (SerialPort) mote.getInterfaces().getLog();
if (serialPort == null) {
throw new RuntimeException("No mote serial port");
}

serverSelectButton.addActionListener(new ActionListener() {

@Override
public void actionPerformed(ActionEvent e) {
try {
serverPortField.commitEdit();
} catch (ParseException ex) {
java.util.logging.Logger.getLogger(SerialSocketClient.class.getName()).log(Level.SEVERE, null, ex);
}
if (socket == null) {
// connect to serer
try {
logger.info("Connecting: " + serverHostField.getText() + ":" + serverPortField.getValue());
socket = new Socket(serverHostField.getText(), ((Long) serverPortField.getValue()).intValue());
in = new DataInputStream(socket.getInputStream());
out = new DataOutputStream(socket.getOutputStream());
out.flush();
startSocketReadThread(in);
socketStatusLabel.setText("connected");
socketStatusLabel.setForeground(ST_COLOR_CONNECTED);
serverSelectButton.setEnabled(false);
} catch (IOException ex) {
logger.error(ex.getMessage());
socketStatusLabel.setText("failed");
socketStatusLabel.setForeground(ST_COLOR_FAILED);
}
} else {
// disconnect from server
try {
logger.info("Closing connection to serer...");
socket.close();
socketStatusLabel.setText("disconnected");
socketStatusLabel.setForeground(ST_COLOR_UNCONNECTED);
} catch (IOException ex) {
logger.error(ex);
socketStatusLabel.setText("failed");
socketStatusLabel.setForeground(ST_COLOR_FAILED);
}
}
}
});


/* Observe serial port for outgoing data */
/* Observe serial port for outgoing data and write to socket */
serialPort.addSerialDataObserver(serialDataObserver = new Observer() {
@Override
public void update(Observable obs, Object obj) {
Expand All @@ -230,10 +269,12 @@ public void update(Observable obs, Object obj) {
out.flush();
outBytes++;
if (Cooja.isVisualized()) {
outLabel.setText(outBytes + " bytes");
moteToSocketLabel.setText(outBytes + " bytes");
}
} catch (IOException e) {
e.printStackTrace();
} catch (IOException ex) {
logger.error(ex.getMessage());
socketStatusLabel.setText("failed");
socketStatusLabel.setForeground(ST_COLOR_FAILED);
}
}
});
Expand All @@ -247,13 +288,13 @@ private void startSocketReadThread(final DataInputStream in) {
public void run() {
int numRead = 0;
byte[] data = new byte[1024];
logger.info("Forwarder: socket -> serial port");
logger.info("Start forwarding: socket -> serial port");
while (true) {
numRead = -1;
try {
numRead = in.read(data);
} catch (IOException e) {
e.printStackTrace();
logger.error(e.getMessage());
return;
}

Expand All @@ -263,11 +304,18 @@ public void run() {
}
inBytes += numRead;
if (Cooja.isVisualized()) {
inLabel.setText(inBytes + " bytes");
socketToMoteLabel.setText(inBytes + " bytes");
}
} else {
logger.warn("Incoming data thread shut down");
cleanup();
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
socketStatusLabel.setForeground(ST_COLOR_FAILED);
socketStatusLabel.setText("Disconnected from server");
serverSelectButton.setEnabled(true);
}
});
break;
}
}
Expand All @@ -276,18 +324,6 @@ public void run() {
incomingDataThread.start();
}

private JLabel configureLabel(JComponent pane, String desc, String value) {
JPanel smallPane = new JPanel(new BorderLayout());
JLabel label = new JLabel(desc);
label.setPreferredSize(new Dimension(LABEL_WIDTH,LABEL_HEIGHT));
smallPane.add(BorderLayout.WEST, label);
label = new JLabel(value);
label.setPreferredSize(new Dimension(LABEL_WIDTH,LABEL_HEIGHT));
smallPane.add(BorderLayout.CENTER, label);
pane.add(smallPane);
return label;
}

@Override
public boolean setConfigXML(Collection<Element> configXML, boolean visAvailable) {
return true;
Expand All @@ -307,29 +343,24 @@ private void cleanup() {
socket = null;
}
} catch (IOException e1) {
logger.warn(e1.getMessage());
}
try {
if (in != null) {
in.close();
in = null;
}
} catch (IOException e) {
logger.warn(e.getMessage());
}
try {
if (out != null) {
out.close();
out = null;
}
} catch (IOException e) {
logger.warn(e.getMessage());
}

SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
SerialSocketClient.this.setTitle(SerialSocketClient.this.getTitle() + " *DISCONNECTED*");
statusLabel.setText("Disconnected from server");
}
});
}

@Override
Expand Down

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