Merged race scaling with Http Match Discovery.

racevisionGame/src/main/java/visualiser/network/HttpMatchBrowserClient.java

@@ -15,6 +15,9 @@ import java.io.IOException;
 public class HttpMatchBrowserClient extends Thread {
     public ObservableList<RaceConnection> connections = FXCollections.observableArrayList();
 
+    /**
+     * Get all the matches that have been running in the past 5 seconds.
+     */
     @Override
     public void run() {
         while(!Thread.interrupted()) {

racevisionGame/src/main/java/visualiser/network/HttpMatchBrowserHost.java

@@ -17,7 +17,7 @@ import java.util.ArrayList;
 import java.util.List;
 
 /**
- * Created by Gondr on 19/09/2017.
+ * Creates an Http connection that hosts a game
  */
 public class HttpMatchBrowserHost extends Thread {
     private HttpClient httpClient;
@@ -25,6 +25,12 @@ public class HttpMatchBrowserHost extends Thread {
 
     public static HttpMatchBrowserHost httpMatchBrowserHost = null;
 
+    /**
+     * Constructor, this sends out the creation message of the race.
+     * the thread should be run as soon as possible as the race is only valid for 5 seconds
+     * until it requires a heartbeat from the start function.
+     * @throws IOException if the hosting url is unreachable.
+     */
     public HttpMatchBrowserHost() throws IOException {
         httpMatchBrowserHost = this;
         httpClient = HttpClients.createDefault();
@@ -38,6 +44,11 @@ public class HttpMatchBrowserHost extends Thread {
         System.out.println("Register Match");
     }
 
+    /**
+     * Sends a post to a server.
+     * @param domain url of to send to
+     * @throws IOException if the url is unreachable.
+     */
     public void sendHttp(String domain) throws IOException {
         HttpPost httppost = new HttpPost(domain);
         httppost.setEntity(new UrlEncodedFormEntity(params, "UTF-8"));
@@ -58,6 +69,9 @@ public class HttpMatchBrowserHost extends Thread {
         }
     }
 
+    /**
+     * THe host starts sending out heartbeat messages every 2 seconds.
+     */
     @Override
     public void run() {
         while(!Thread.interrupted()){