diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..f114ff4
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+/command-terminal/CommandTerminal/nbproject/private/
+/command-terminal/CommandTerminal/build/
\ No newline at end of file
diff --git a/command-terminal/CommandTerminal/build.xml b/command-terminal/CommandTerminal/build.xml
new file mode 100644
index 0000000..e14409b
--- /dev/null
+++ b/command-terminal/CommandTerminal/build.xml
@@ -0,0 +1,73 @@
+
+
+
+
+
+
+
+
+
+
+ Builds, tests, and runs the project CommandTerminal.
+
+
+
diff --git a/command-terminal/CommandTerminal/manifest.mf b/command-terminal/CommandTerminal/manifest.mf
new file mode 100644
index 0000000..328e8e5
--- /dev/null
+++ b/command-terminal/CommandTerminal/manifest.mf
@@ -0,0 +1,3 @@
+Manifest-Version: 1.0
+X-COMMENT: Main-Class will be added automatically by build
+
diff --git a/command-terminal/CommandTerminal/nbproject/build-impl.xml b/command-terminal/CommandTerminal/nbproject/build-impl.xml
new file mode 100644
index 0000000..c50f26c
--- /dev/null
+++ b/command-terminal/CommandTerminal/nbproject/build-impl.xml
@@ -0,0 +1,1413 @@
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+ Must set src.dir
+ Must set test.src.dir
+ Must set build.dir
+ Must set dist.dir
+ Must set build.classes.dir
+ Must set dist.javadoc.dir
+ Must set build.test.classes.dir
+ Must set build.test.results.dir
+ Must set build.classes.excludes
+ Must set dist.jar
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+ Must set javac.includes
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+ Must set JVM to use for profiling in profiler.info.jvm
+ Must set profiler agent JVM arguments in profiler.info.jvmargs.agent
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+
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+
+
+ Must select some files in the IDE or set javac.includes
+
+
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+
+
+
+ To run this application from the command line without Ant, try:
+
+ java -jar "${dist.jar.resolved}"
+
+
+
+
+
+
+
+
+
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+
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+
+
+
+ Must select one file in the IDE or set run.class
+
+
+
+ Must select one file in the IDE or set run.class
+
+
+
+
+
+
+
+
+
+
+
+
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+
+
+
+
+
+
+ Must select one file in the IDE or set debug.class
+
+
+
+
+ Must select one file in the IDE or set debug.class
+
+
+
+
+ Must set fix.includes
+
+
+
+
+
+
+
+
+
+ This target only works when run from inside the NetBeans IDE.
+
+
+
+
+
+
+
+
+ Must select one file in the IDE or set profile.class
+ This target only works when run from inside the NetBeans IDE.
+
+
+
+
+
+
+
+
+ This target only works when run from inside the NetBeans IDE.
+
+
+
+
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+
+
+ This target only works when run from inside the NetBeans IDE.
+
+
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+
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+
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+
+
+
+ Must select one file in the IDE or set run.class
+
+
+
+
+
+ Must select some files in the IDE or set test.includes
+
+
+
+
+ Must select one file in the IDE or set run.class
+
+
+
+
+ Must select one file in the IDE or set applet.url
+
+
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+
+
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+
+
+
+
+
+
+
+
+ Must select some files in the IDE or set javac.includes
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ Some tests failed; see details above.
+
+
+
+
+
+
+
+
+ Must select some files in the IDE or set test.includes
+
+
+
+ Some tests failed; see details above.
+
+
+
+ Must select some files in the IDE or set test.class
+ Must select some method in the IDE or set test.method
+
+
+
+ Some tests failed; see details above.
+
+
+
+
+ Must select one file in the IDE or set test.class
+
+
+
+ Must select one file in the IDE or set test.class
+ Must select some method in the IDE or set test.method
+
+
+
+
+
+
+
+
+
+
+
+
+
+ Must select one file in the IDE or set applet.url
+
+
+
+
+
+
+
+
+ Must select one file in the IDE or set applet.url
+
+
+
+
+
+
+
+
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+
+
diff --git a/command-terminal/CommandTerminal/nbproject/genfiles.properties b/command-terminal/CommandTerminal/nbproject/genfiles.properties
new file mode 100644
index 0000000..b22b9e6
--- /dev/null
+++ b/command-terminal/CommandTerminal/nbproject/genfiles.properties
@@ -0,0 +1,8 @@
+build.xml.data.CRC32=fdad8e2e
+build.xml.script.CRC32=1cd81838
+build.xml.stylesheet.CRC32=8064a381@1.74.1.48
+# This file is used by a NetBeans-based IDE to track changes in generated files such as build-impl.xml.
+# Do not edit this file. You may delete it but then the IDE will never regenerate such files for you.
+nbproject/build-impl.xml.data.CRC32=fdad8e2e
+nbproject/build-impl.xml.script.CRC32=95faf5a3
+nbproject/build-impl.xml.stylesheet.CRC32=876e7a8f@1.74.1.48
diff --git a/command-terminal/CommandTerminal/nbproject/project.properties b/command-terminal/CommandTerminal/nbproject/project.properties
new file mode 100644
index 0000000..9645bed
--- /dev/null
+++ b/command-terminal/CommandTerminal/nbproject/project.properties
@@ -0,0 +1,73 @@
+annotation.processing.enabled=true
+annotation.processing.enabled.in.editor=false
+annotation.processing.processor.options=
+annotation.processing.processors.list=
+annotation.processing.run.all.processors=true
+annotation.processing.source.output=${build.generated.sources.dir}/ap-source-output
+build.classes.dir=${build.dir}/classes
+build.classes.excludes=**/*.java,**/*.form
+# This directory is removed when the project is cleaned:
+build.dir=build
+build.generated.dir=${build.dir}/generated
+build.generated.sources.dir=${build.dir}/generated-sources
+# Only compile against the classpath explicitly listed here:
+build.sysclasspath=ignore
+build.test.classes.dir=${build.dir}/test/classes
+build.test.results.dir=${build.dir}/test/results
+# Uncomment to specify the preferred debugger connection transport:
+#debug.transport=dt_socket
+debug.classpath=\
+ ${run.classpath}
+debug.test.classpath=\
+ ${run.test.classpath}
+# Files in build.classes.dir which should be excluded from distribution jar
+dist.archive.excludes=
+# This directory is removed when the project is cleaned:
+dist.dir=dist
+dist.jar=${dist.dir}/CommandTerminal.jar
+dist.javadoc.dir=${dist.dir}/javadoc
+excludes=
+includes=**
+jar.compress=false
+javac.classpath=
+# Space-separated list of extra javac options
+javac.compilerargs=
+javac.deprecation=false
+javac.processorpath=\
+ ${javac.classpath}
+javac.source=1.8
+javac.target=1.8
+javac.test.classpath=\
+ ${javac.classpath}:\
+ ${build.classes.dir}
+javac.test.processorpath=\
+ ${javac.test.classpath}
+javadoc.additionalparam=
+javadoc.author=false
+javadoc.encoding=${source.encoding}
+javadoc.noindex=false
+javadoc.nonavbar=false
+javadoc.notree=false
+javadoc.private=false
+javadoc.splitindex=true
+javadoc.use=true
+javadoc.version=false
+javadoc.windowtitle=
+main.class=commandterminal.CommandTerminal
+manifest.file=manifest.mf
+meta.inf.dir=${src.dir}/META-INF
+mkdist.disabled=false
+platform.active=default_platform
+run.classpath=\
+ ${javac.classpath}:\
+ ${build.classes.dir}
+# Space-separated list of JVM arguments used when running the project.
+# You may also define separate properties like run-sys-prop.name=value instead of -Dname=value.
+# To set system properties for unit tests define test-sys-prop.name=value:
+run.jvmargs=
+run.test.classpath=\
+ ${javac.test.classpath}:\
+ ${build.test.classes.dir}
+source.encoding=UTF-8
+src.dir=src
+test.src.dir=test
diff --git a/command-terminal/CommandTerminal/nbproject/project.xml b/command-terminal/CommandTerminal/nbproject/project.xml
new file mode 100644
index 0000000..30bb371
--- /dev/null
+++ b/command-terminal/CommandTerminal/nbproject/project.xml
@@ -0,0 +1,15 @@
+
+
+ org.netbeans.modules.java.j2seproject
+
+
+ CommandTerminal
+
+
+
+
+
+
+
+
+
diff --git a/command-terminal/CommandTerminal/src/DatagramSocket/AsynchronousDatagramSocket.java b/command-terminal/CommandTerminal/src/DatagramSocket/AsynchronousDatagramSocket.java
new file mode 100644
index 0000000..86f45e3
--- /dev/null
+++ b/command-terminal/CommandTerminal/src/DatagramSocket/AsynchronousDatagramSocket.java
@@ -0,0 +1,75 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package DatagramSocket;
+
+import java.io.IOException;
+import java.net.DatagramPacket;
+import java.net.DatagramSocket;
+import java.net.SocketException;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ *
+ * @author lmascaro
+ */
+public class AsynchronousDatagramSocket implements Runnable, AutoCloseable{
+
+ private final static int MAX_MESSAGE_SIZE = 300;
+
+ private SynchronizedBuffer buf;
+ private DatagramSocket socket;
+
+ public AsynchronousDatagramSocket() throws SocketException{
+ this.buf = new SynchronizedBuffer<>();
+ this.socket = new DatagramSocket();
+ new Thread(this).start();
+ }
+
+ public AsynchronousDatagramSocket(int port) throws SocketException{
+ this.buf = new SynchronizedBuffer<>();
+ this.socket = new DatagramSocket(port);
+ new Thread(this).start();
+ }
+
+ public void send(DatagramPacket dp) throws IOException{
+ this.socket.send(dp);
+ }
+
+ public boolean asynchronousReceive(DatagramPacket dp){
+ if(this.buf.available() == 0){
+ return false;
+ }else{
+ dp = this.buf.removeElement(false);
+ return true;
+ }
+ }
+
+ public void synchronousReceive(DatagramPacket dp){
+ dp = this.buf.removeElement(true);
+ }
+
+ public boolean available(){
+ return this.buf.available()>0;
+ }
+
+ @Override
+ public void close(){
+ this.socket.close();
+ }
+
+ @Override
+ public void run() {
+ DatagramPacket packet = new DatagramPacket(new byte[MAX_MESSAGE_SIZE],MAX_MESSAGE_SIZE);
+ try {
+ this.socket.receive(packet);
+ this.buf.addElement(packet);
+ } catch (IOException ex) {
+ Logger.getLogger(AsynchronousDatagramSocket.class.getName()).log(Level.SEVERE, null, ex);
+ }
+ }
+}
diff --git a/command-terminal/CommandTerminal/src/DatagramSocket/SynchronizedBuffer.java b/command-terminal/CommandTerminal/src/DatagramSocket/SynchronizedBuffer.java
new file mode 100644
index 0000000..2f28f9c
--- /dev/null
+++ b/command-terminal/CommandTerminal/src/DatagramSocket/SynchronizedBuffer.java
@@ -0,0 +1,46 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package DatagramSocket;
+
+import java.util.LinkedList;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ *
+ * @author lmascaro
+ */
+public class SynchronizedBuffer{
+
+ private LinkedList elements = new LinkedList();
+
+ public synchronized T removeElement(boolean sync){
+ if(!sync && this.elements.isEmpty()){
+ return null;
+ }
+
+ while(this.elements.isEmpty()){
+ try {
+ this.wait();
+ } catch (InterruptedException ex) {
+ Logger.getLogger(SynchronizedBuffer.class.getName()).log(Level.SEVERE, null, ex);
+ }
+ }
+
+ return this.elements.removeFirst();
+ }
+
+ public synchronized void addElement(T elem){
+ this.elements.add(elem);
+ this.notifyAll();
+ }
+
+ public synchronized int available(){
+ return this.elements.size();
+ }
+
+}
diff --git a/command-terminal/CommandTerminal/src/commandterminal/CommandTerminal.java b/command-terminal/CommandTerminal/src/commandterminal/CommandTerminal.java
new file mode 100644
index 0000000..eedb010
--- /dev/null
+++ b/command-terminal/CommandTerminal/src/commandterminal/CommandTerminal.java
@@ -0,0 +1,122 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package commandterminal;
+
+import DatagramSocket.AsynchronousDatagramSocket;
+import java.net.DatagramPacket;
+import java.net.DatagramSocket;
+import java.net.InetAddress;
+import java.net.InterfaceAddress;
+import java.net.NetworkInterface;
+import java.net.SocketException;
+import java.nio.ByteBuffer;
+import java.util.Enumeration;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ *
+ * @author lmascaro
+ */
+public class CommandTerminal {
+
+ private final static int SGCA_BROADCAST_PORT = 9999;
+ private final static int MAX_MESSAGE_SIZE = 300;
+ private static AsynchronousDatagramSocket socket;
+
+ /**
+ * @param args the command line arguments
+ */
+ public static void main(String[] args){
+
+ //the following code go through every interfaces to get broadcasts addresses in order to contact the sgca
+ HashSet listOfBroadcasts = new HashSet();
+ Enumeration list;
+ try {
+ list = NetworkInterface.getNetworkInterfaces();
+
+ while(list.hasMoreElements()) {
+ NetworkInterface iface = (NetworkInterface) list.nextElement();
+
+ if(iface == null) continue;
+ //if the interface is not loopback
+ if(!iface.isLoopback() && iface.isUp()) {
+
+ Iterator it = iface.getInterfaceAddresses().iterator();
+ while (it.hasNext()) {
+ InterfaceAddress address = (InterfaceAddress) it.next();
+ if(address == null) continue;
+ InetAddress broadcast = address.getBroadcast();
+ if(broadcast != null)
+ {
+ //we found it !
+ listOfBroadcasts.add(broadcast);
+ }
+ }
+ }
+ }
+ } catch (SocketException ex) {
+ System.err.println("Error while getting network interfaces");
+ return;
+ }
+
+ Integer sgcaPort;
+ InetAddress sgcaAddress;
+ DatagramPacket packet;
+ try {
+ //try to send a request to all the broadcasts (usually there is only one) and wait for the response of the sgca
+ DatagramSocket broadcastSocket = new DatagramSocket();
+ byte[] data;
+ for(InetAddress adr : listOfBroadcasts){
+ data = new byte[1];
+ Integer clientType = 1;
+ data[0] = clientType.byteValue();
+ packet = new DatagramPacket(data,data.length,adr,SGCA_BROADCAST_PORT);
+ broadcastSocket.send(packet);
+
+ }
+ data = new byte[1];
+ packet = new DatagramPacket(data,data.length);
+ broadcastSocket.receive(packet);
+ sgcaAddress = packet.getAddress();
+ Byte b = new Byte(packet.getData()[0]);
+ sgcaPort = b.intValue();
+ } catch (Exception ex) {
+ Logger.getLogger(CommandTerminal.class.getName()).log(Level.SEVERE, null, ex);
+ return;
+ }
+
+ //from now we assume that the network discovery part went well and we have the port/address of the sgca
+ //send a ISALIVE to ensure the sgca is ready to receive commands
+ DatagramSocket comSock;
+ ByteBuffer buf = ByteBuffer.allocate(1);
+ try {
+ comSock = new DatagramSocket(sgcaPort);
+ buf.putInt(OpCode.ISALIVE.ordinal());
+ packet = new DatagramPacket(buf.array(),buf.arrayOffset(),sgcaAddress,sgcaPort);
+ comSock.send(packet);
+
+ //receive response
+ comSock.receive(packet);
+ Byte response = new Byte(packet.getData()[0]);
+ OpCode success = OpCode.values()[response.intValue()];
+
+ if(success != OpCode.SUCCESS){
+ System.out.println("SGCA Not ready, exiting");
+ return;
+ }
+ } catch (Exception ex) {
+ Logger.getLogger(CommandTerminal.class.getName()).log(Level.SEVERE, null, ex);
+ }
+
+ //now the sgca is connected and ready, let's start the real work
+
+ }
+
+}
diff --git a/command-terminal/CommandTerminal/src/commandterminal/OpCode.java b/command-terminal/CommandTerminal/src/commandterminal/OpCode.java
new file mode 100644
index 0000000..3183b8c
--- /dev/null
+++ b/command-terminal/CommandTerminal/src/commandterminal/OpCode.java
@@ -0,0 +1,20 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package commandterminal;
+
+/**
+ *
+ * @author lmascaro
+ */
+public enum OpCode {
+ ISALIVE,
+ CAP,
+ ALT,
+ SPEED,
+ SUCCESS,
+ ERROR
+}
diff --git a/command-terminal/java-code b/command-terminal/java-code
deleted file mode 100644
index e69de29..0000000