Add: Added Coverage Screenshots And htlmReport.
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GabrieleRadice
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<!DOCTYPE html>
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<html id="htmlId">
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<head>
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<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
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<title>Coverage Report > ClientHandler</title>
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<style type="text/css">
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@import "../../css/coverage.css";
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@import "../../css/idea.min.css";
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</style>
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<script type="text/javascript" src="../../js/highlight.min.js"></script>
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<script type="text/javascript" src="../../js/highlightjs-line-numbers.min.js"></script>
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Current scope: <a href="../../index.html">all classes</a>
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<span class="separator">|</span>
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<a href="../index.html">it.polimi.ingsw.gc14.Network.TCP.Server</a>
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</div>
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<h1>Coverage Summary for Class: ClientHandler (it.polimi.ingsw.gc14.Network.TCP.Server)</h1>
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<table class="coverageStats">
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<tr>
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<td class="name">ClientHandler</td>
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<br/>
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<br/>
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<pre>
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<code class="sourceCode" id="sourceCode"> package it.polimi.ingsw.gc14.Network.TCP.Server;
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import it.polimi.ingsw.gc14.LimitedMap;
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import it.polimi.ingsw.gc14.Model.Game;
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import it.polimi.ingsw.gc14.Model.MiniModel;
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import it.polimi.ingsw.gc14.Network.NetworkEvent;
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import it.polimi.ingsw.gc14.Network.NetworkEvents.DisconnectedPlayer;
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import java.io.*;
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import java.net.*;
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import java.util.List;
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import java.util.concurrent.BlockingQueue;
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/**
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* Handles the TCP connection with a single client.
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* Each instance runs on a dedicated thread and is responsible for receiving {@link NetworkEvent} from its client and adding them
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* to the {@link #actionQueue}.
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* It is also responsible to send events and game model updates back to the client.
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*/
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public class ClientHandler implements Runnable {
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/**
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* The username of the connected client on this handler
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*/
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private final String username;
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private volatile boolean running;
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/**
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* Returns the username associated with this client.
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*
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* @return the username associated with this client.
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*/
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public String getUsername() {
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<b class="nc"> return username;</b>
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}
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/** The TCP socket */
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private Socket clientSocket;
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/** Input stream used to receive objects from the client */
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private ObjectInputStream in;
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/** Output stream used to send objects to the client */
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private ObjectOutputStream out;
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/**
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* Shared list of all client handlers.
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* This handler removes itself from the list when disconnected.
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*/
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private List<ClientHandler> clientHandlers;
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/** Maps each connected player's username to their connection state (true = connected). */
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private LimitedMap<String, Boolean> limitedMap;
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/** Queue containing the events to be applied to the game model */
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private BlockingQueue<NetworkEvent> actionQueue;
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/**
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* Class constructor that initializes the attributes.
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*
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* @param username the username associated with the client.
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* @param clientSocket the socket representing the client's TCP connection.
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* @param out the output stream used to send data to the client.
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* @param in the input stream used to receive data from the client.
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* @param clientHandlers the shared list of all active client handlers.
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* @param playersMap the shared map containing the connected players.
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* @param actionQueue the queue containing incoming events.
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*/
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<b class="nc"> public ClientHandler(String username, Socket clientSocket, ObjectOutputStream out, ObjectInputStream in, List<ClientHandler> clientHandlers, LimitedMap<String,Boolean> playersMap, BlockingQueue<NetworkEvent> actionQueue) {</b>
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<b class="nc"> this.username=username;</b>
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<b class="nc"> this.clientSocket = clientSocket;</b>
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<b class="nc"> this.in = in;</b>
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<b class="nc"> this.out = out;</b>
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<b class="nc"> this.clientHandlers = clientHandlers;</b>
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<b class="nc"> this.actionQueue = actionQueue;</b>
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<b class="nc"> this.limitedMap = playersMap;</b>
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}
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/**
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* Listens for incoming {@link NetworkEvent}s from the client and adds them to the {@link #actionQueue}.
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* Upon disconnection, this handler removes itself from {@link #clientHandlers}.
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*/
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@Override
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public void run() {
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<b class="nc"> running = true;</b>
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try {
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<b class="nc"> while (running) {</b>
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<b class="nc"> NetworkEvent event = (NetworkEvent) in.readObject();</b>
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<b class="nc"> if (!actionQueue.offer(event)) {</b>
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<b class="nc"> System.out.println("Error inserting action into queue");</b>
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}
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}
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} catch (IOException e) {
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<b class="nc"> System.err.println("Error in incoming connection/disconnection: " + username);</b>
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} catch (ClassNotFoundException e) {
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<b class="nc"> System.err.println("Class not found: " + username);</b>
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} finally {
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<b class="nc"> if (running) disconnect();</b>
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}
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}
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/**
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* Sends a {@link NetworkEvent} to the client.
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* @param event The network event to send to the client.
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*/
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public synchronized void notifyEvent(NetworkEvent event) {
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try {
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<b class="nc"> out.reset();</b>
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<b class="nc"> out.writeObject(event);</b>
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} catch (IOException e) {
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<b class="nc"> e.printStackTrace();</b>
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<b class="nc"> disconnect();</b>
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}
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}
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/**
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* Sends the current game model to this client.
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* @param game The current state of the game to send to the client.
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*/
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public synchronized void notifyMiniModel(MiniModel game) {
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try {
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<b class="nc"> out.reset();</b>
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<b class="nc"> out.writeObject(game);</b>
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} catch (IOException e) {
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<b class="nc"> e.printStackTrace();</b>
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<b class="nc"> disconnect();</b>
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}
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}
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/**
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* Disconnects the client from the server.
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*
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* <p>The client handler is stopped and removed from the list of active handlers.
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* The player is marked as disconnected, a {@link DisconnectedPlayer} event is
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* added to the action queue, and the associated socket is closed.
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*/
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public synchronized void disconnect() {
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<b class="nc"> if (!running) return;</b>
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<b class="nc"> running = false;</b>
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<b class="nc"> clientHandlers.remove(this);</b>
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<b class="nc"> limitedMap.put(username, false);</b>
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<b class="nc"> actionQueue.add(new DisconnectedPlayer(username));</b>
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<b class="nc"> System.out.println("Disconnected player: " + username);</b>
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<b class="nc"> try { clientSocket.close(); } catch (IOException ignored) {}</b>
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}
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}
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</code>
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</pre>
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</div>
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<script type="text/javascript">
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(function() {
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var msie = false, msie9 = false;
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/*@cc_on
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msie = true;
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@if (@_jscript_version >= 9)
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msie9 = true;
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@end
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@*/
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if (!msie || msie && msie9) {
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hljs.highlightAll()
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hljs.initLineNumbersOnLoad();
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}
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</script>
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<div class="footer">
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<div style="float:right;">generated on 2026-06-14 21:53</div>
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</div>
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</body>
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</html>
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@@ -0,0 +1,247 @@
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<!DOCTYPE html>
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<html id="htmlId">
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<head>
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<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
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<title>Coverage Report > HeartbeatHandler</title>
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<style type="text/css">
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@import "../../css/coverage.css";
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@import "../../css/idea.min.css";
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</style>
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<script type="text/javascript" src="../../js/highlight.min.js"></script>
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<script type="text/javascript" src="../../js/highlightjs-line-numbers.min.js"></script>
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</head>
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|
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<body>
|
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<div class="content">
|
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<div class="breadCrumbs">
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Current scope: <a href="../../index.html">all classes</a>
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<span class="separator">|</span>
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<a href="../index.html">it.polimi.ingsw.gc14.Network.TCP.Server</a>
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</div>
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<h1>Coverage Summary for Class: HeartbeatHandler (it.polimi.ingsw.gc14.Network.TCP.Server)</h1>
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<table class="coverageStats">
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<tr>
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<th class="name">Class</th>
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<th class="coverageStat
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">
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Class, %
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</th>
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<th class="coverageStat
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">
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Method, %
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</th>
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<th class="coverageStat
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">
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Branch, %
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</th>
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<th class="coverageStat
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">
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Line, %
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</th>
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</tr>
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<tr>
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<td class="name">HeartbeatHandler</td>
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<td class="coverageStat">
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<span class="percent">
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</table>
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<br/>
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<br/>
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<pre>
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<code class="sourceCode" id="sourceCode"> package it.polimi.ingsw.gc14.Network.TCP.Server;
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import java.io.*;
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import java.net.*;
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import java.util.concurrent.Executors;
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import java.util.concurrent.ScheduledExecutorService;
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import java.util.concurrent.TimeUnit;
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import it.polimi.ingsw.gc14.Network.NetworkConfig;
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/**
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* Handles the heartbeat communication associated with a TCP client.
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*
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* <p>This component listens for heartbeat {@code PING} messages from the client,
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* replies with {@code PONG} messages, and periodically checks whether the client
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* has remained silent for too long. If a timeout or communication error occurs,
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* both the heartbeat connection and the main client connection are disconnected.
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*/
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public class HeartbeatHandler implements Runnable {
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private final String username;
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private final Socket socket;
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private final InputStream in;
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private final OutputStream out;
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/**
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* Byte value representing a heartbeat ping message.
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*/
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private static final int PING = 1;
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/**
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* Byte value representing a heartbeat pong response.
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*/
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private static final int PONG = 2;
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/**
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* Main client handler associated with this heartbeat connection.
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*/
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private final ClientHandler mainHandler;
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/**
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* Timestamp of the last received heartbeat message.
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*/
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<b class="nc"> private volatile long lastReceivedTime = System.currentTimeMillis();</b>
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/**
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* Indicates whether the heartbeat handler is still active.
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*/
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<b class="nc"> private volatile boolean running = true;</b>
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/**
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* Executor used to periodically check heartbeat timeouts.
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*/
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<b class="nc"> private final ScheduledExecutorService watchdog =</b>
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<b class="nc"> Executors.newSingleThreadScheduledExecutor();</b>
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/**
|
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* Constructs a heartbeat handler for the specified client.
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*
|
||||
* @param username the username of the connected client.
|
||||
* @param socket the socket dedicated to heartbeat communication.
|
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* @param mainHandler the main client handler associated with the same player.
|
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* @throws IOException if the input or output stream cannot be obtained from the socket.
|
||||
*/
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public HeartbeatHandler(String username, Socket socket, ClientHandler mainHandler)
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<b class="nc"> throws IOException {</b>
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||||
<b class="nc"> this.username = username;</b>
|
||||
<b class="nc"> this.socket = socket;</b>
|
||||
<b class="nc"> this.mainHandler = mainHandler;</b>
|
||||
<b class="nc"> this.in = socket.getInputStream();</b>
|
||||
<b class="nc"> this.out = socket.getOutputStream();</b>
|
||||
}
|
||||
|
||||
/**
|
||||
* Starts the heartbeat listening loop.
|
||||
*
|
||||
* <p>The method activates the watchdog task, then waits for incoming heartbeat
|
||||
* messages. When a {@code PING} is received, the last-received timestamp is
|
||||
* updated and a {@code PONG} response is sent back to the client.
|
||||
* If the stream is closed or an I/O error occurs, the client is disconnected.
|
||||
*/
|
||||
@Override
|
||||
public void run() {
|
||||
<b class="nc"> startWatchdog();</b>
|
||||
try {
|
||||
<b class="nc"> while (running) {</b>
|
||||
<b class="nc"> int b = in.read(); // blocks until a byte arrives</b>
|
||||
<b class="nc"> if (b == -1) {</b>
|
||||
<b class="nc"> disconnect();</b>
|
||||
break; // stream closed
|
||||
}
|
||||
<b class="nc"> if (b == PING) {</b>
|
||||
<b class="nc"> lastReceivedTime = System.currentTimeMillis();</b>
|
||||
<b class="nc"> out.write(PONG);</b>
|
||||
<b class="nc"> out.flush();</b>
|
||||
}
|
||||
}
|
||||
} catch (IOException e) {
|
||||
<b class="nc"> disconnect();</b>
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Starts the periodic watchdog task that detects heartbeat timeouts.
|
||||
*
|
||||
* <p>If no heartbeat message is received within the configured silence threshold,
|
||||
* the associated client is disconnected.
|
||||
*/
|
||||
private void startWatchdog() {
|
||||
<b class="nc"> watchdog.scheduleAtFixedRate(() -> {</b>
|
||||
<b class="nc"> if (System.currentTimeMillis() - lastReceivedTime > NetworkConfig.SILENCE_THRESHOLD_MS) {</b>
|
||||
<b class="nc"> System.out.println("Heartbeat timeout: " + username);</b>
|
||||
<b class="nc"> disconnect();</b>
|
||||
}
|
||||
}, 1, 1, TimeUnit.SECONDS);
|
||||
}
|
||||
|
||||
/**
|
||||
* Disconnects the heartbeat channel and the associated main client connection.
|
||||
*
|
||||
* <p>The handler is stopped, the watchdog task is terminated, the main
|
||||
* {@link ClientHandler} is disconnected, and the heartbeat socket is closed.
|
||||
*/
|
||||
private synchronized void disconnect() {
|
||||
<b class="nc"> running = false;</b>
|
||||
<b class="nc"> watchdog.shutdownNow();</b>
|
||||
<b class="nc"> mainHandler.disconnect(); // disconnette anche il socket principale</b>
|
||||
<b class="nc"> System.out.println("Disconnected: " + username);</b>
|
||||
<b class="nc"> try { socket.close(); } catch (IOException ignored) {}</b>
|
||||
}
|
||||
}
|
||||
</code>
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||||
</pre>
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||||
</div>
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||||
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||||
<script type="text/javascript">
|
||||
(function() {
|
||||
var msie = false, msie9 = false;
|
||||
/*@cc_on
|
||||
msie = true;
|
||||
@if (@_jscript_version >= 9)
|
||||
msie9 = true;
|
||||
@end
|
||||
@*/
|
||||
|
||||
if (!msie || msie && msie9) {
|
||||
hljs.highlightAll()
|
||||
hljs.initLineNumbersOnLoad();
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}
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||||
})();
|
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</script>
|
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|
||||
<div class="footer">
|
||||
|
||||
<div style="float:right;">generated on 2026-06-14 21:53</div>
|
||||
</div>
|
||||
</body>
|
||||
</html>
|
||||
@@ -0,0 +1,438 @@
|
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<!DOCTYPE html>
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<html id="htmlId">
|
||||
<head>
|
||||
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
|
||||
<title>Coverage Report > TCPServer</title>
|
||||
<style type="text/css">
|
||||
@import "../../css/coverage.css";
|
||||
@import "../../css/idea.min.css";
|
||||
</style>
|
||||
<script type="text/javascript" src="../../js/highlight.min.js"></script>
|
||||
<script type="text/javascript" src="../../js/highlightjs-line-numbers.min.js"></script>
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||||
</head>
|
||||
|
||||
<body>
|
||||
<div class="content">
|
||||
<div class="breadCrumbs">
|
||||
Current scope: <a href="../../index.html">all classes</a>
|
||||
<span class="separator">|</span>
|
||||
<a href="../index.html">it.polimi.ingsw.gc14.Network.TCP.Server</a>
|
||||
</div>
|
||||
|
||||
<h1>Coverage Summary for Class: TCPServer (it.polimi.ingsw.gc14.Network.TCP.Server)</h1>
|
||||
|
||||
<table class="coverageStats">
|
||||
<tr>
|
||||
<th class="name">Class</th>
|
||||
<th class="coverageStat
|
||||
">
|
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Class, %
|
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</th>
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<th class="coverageStat
|
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">
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Method, %
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</th>
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<th class="coverageStat
|
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">
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Branch, %
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</th>
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<th class="coverageStat
|
||||
">
|
||||
Line, %
|
||||
</th>
|
||||
</tr>
|
||||
<tr>
|
||||
<td class="name">TCPServer</td>
|
||||
<td class="coverageStat">
|
||||
<span class="percent">
|
||||
0%
|
||||
</span>
|
||||
<span class="absValue">
|
||||
(0/1)
|
||||
</span>
|
||||
</td>
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||||
<td class="coverageStat">
|
||||
<span class="percent">
|
||||
0%
|
||||
</span>
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||||
<span class="absValue">
|
||||
(0/8)
|
||||
</span>
|
||||
</td>
|
||||
<td class="coverageStat">
|
||||
<span class="percent">
|
||||
0%
|
||||
</span>
|
||||
<span class="absValue">
|
||||
(0/28)
|
||||
</span>
|
||||
</td>
|
||||
<td class="coverageStat">
|
||||
<span class="percent">
|
||||
0%
|
||||
</span>
|
||||
<span class="absValue">
|
||||
(0/105)
|
||||
</span>
|
||||
</td>
|
||||
</tr>
|
||||
|
||||
</table>
|
||||
|
||||
<br/>
|
||||
<br/>
|
||||
|
||||
|
||||
<pre>
|
||||
<code class="sourceCode" id="sourceCode"> package it.polimi.ingsw.gc14.Network.TCP.Server;
|
||||
|
||||
import it.polimi.ingsw.gc14.Controller.GameController;
|
||||
import it.polimi.ingsw.gc14.ErrorType;
|
||||
import it.polimi.ingsw.gc14.LimitedMap;
|
||||
import it.polimi.ingsw.gc14.Model.Game;
|
||||
import it.polimi.ingsw.gc14.Model.GamePackage.GameStages;
|
||||
import it.polimi.ingsw.gc14.Model.MiniModel;
|
||||
import it.polimi.ingsw.gc14.Network.EventType;
|
||||
import it.polimi.ingsw.gc14.Network.NetworkConfig;
|
||||
import it.polimi.ingsw.gc14.Network.NetworkEvent;
|
||||
import it.polimi.ingsw.gc14.Network.NetworkEvents.AddPlayer;
|
||||
import it.polimi.ingsw.gc14.Network.NetworkEvents.ReconnectPlayer;
|
||||
|
||||
import java.io.*;
|
||||
import java.net.*;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Map;
|
||||
import java.util.concurrent.CopyOnWriteArrayList;
|
||||
import java.util.concurrent.BlockingQueue;
|
||||
import java.util.concurrent.ConcurrentHashMap;
|
||||
import java.util.stream.Collectors;
|
||||
|
||||
/**
|
||||
* TCP server responsible for accepting client connections,
|
||||
* handling player registration and reconnection, and sending
|
||||
* game updates to connected clients.
|
||||
*
|
||||
* <p>The server also manages a dedicated heartbeat channel used
|
||||
* to detect disconnected clients and associate each heartbeat
|
||||
* connection with the corresponding {@link ClientHandler}.
|
||||
*/
|
||||
public class TCPServer {
|
||||
|
||||
/**
|
||||
* Main TCP port used for standard client-server communication.
|
||||
*/
|
||||
private int port;
|
||||
|
||||
/**
|
||||
* TCP port dedicated to heartbeat communication.
|
||||
*/
|
||||
private int heartbeatPort;
|
||||
|
||||
/**
|
||||
* Main server socket used to accept client connections.
|
||||
*/
|
||||
private ServerSocket socketTCP;
|
||||
|
||||
/**
|
||||
* Server socket used to accept heartbeat connections.
|
||||
*/
|
||||
private ServerSocket heartbeatSocketTCP;
|
||||
|
||||
/**
|
||||
* Game controller used to manage the server-side game logic.
|
||||
*/
|
||||
private final GameController controller;
|
||||
|
||||
/**
|
||||
* Queue containing network events received from clients.
|
||||
*/
|
||||
private BlockingQueue<NetworkEvent> actionQueue;
|
||||
|
||||
/**
|
||||
* Map storing the online/offline status of connected players.
|
||||
*/
|
||||
private LimitedMap<String, Boolean> playerList;
|
||||
|
||||
/**
|
||||
* List of active TCP client handlers.
|
||||
*/
|
||||
private CopyOnWriteArrayList<ClientHandler> clientHandlers;
|
||||
|
||||
|
||||
/**
|
||||
* Temporary map associating each username with the corresponding
|
||||
* {@link ClientHandler} waiting for its heartbeat connection.
|
||||
*/
|
||||
<b class="nc"> private final Map<String, ClientHandler> pendingHeartbeat = new ConcurrentHashMap<>();</b>
|
||||
|
||||
/**
|
||||
* Constructs a TCP server with the required game and network components.
|
||||
*
|
||||
* @param controller the game controller used to manage the game logic.
|
||||
* @param port the main TCP port used for client communication.
|
||||
* @param heartbeatPort the TCP port dedicated to heartbeat connections.
|
||||
* @param actionQueue the queue containing incoming network events.
|
||||
* @param playerList the map storing the connection status of the players.
|
||||
*/
|
||||
public TCPServer(GameController controller,
|
||||
int port,
|
||||
int heartbeatPort,
|
||||
BlockingQueue<NetworkEvent> actionQueue,
|
||||
<b class="nc"> LimitedMap<String, Boolean> playerList) {</b>
|
||||
<b class="nc"> this.port = port;</b>
|
||||
<b class="nc"> this.heartbeatPort = heartbeatPort;</b>
|
||||
<b class="nc"> this.controller = controller;</b>
|
||||
<b class="nc"> this.actionQueue = actionQueue;</b>
|
||||
<b class="nc"> this.playerList = playerList;</b>
|
||||
<b class="nc"> this.clientHandlers = new CopyOnWriteArrayList<>();</b>
|
||||
}
|
||||
|
||||
/**
|
||||
* Starts the TCP server and begins accepting client connections.
|
||||
*
|
||||
* <p>The method opens both the main TCP server socket and the dedicated
|
||||
* heartbeat server socket. It then starts a separate thread for heartbeat
|
||||
* connections and continuously waits for new players or reconnecting clients.
|
||||
*
|
||||
* <p>When a new connection is received, the first event must be an
|
||||
* {@link AddPlayer} request. Depending on the current server state,
|
||||
* the connection is handled either as a new player joining the game
|
||||
* or as a reconnection attempt.
|
||||
*
|
||||
*/
|
||||
public void start() {
|
||||
try {
|
||||
<b class="nc"> socketTCP = new ServerSocket(port);</b>
|
||||
<b class="nc"> heartbeatSocketTCP = new ServerSocket(heartbeatPort);</b>
|
||||
} catch (IOException e) {
|
||||
<b class="nc"> System.out.println("Could not start TCP server");</b>
|
||||
<b class="nc"> e.printStackTrace();</b>
|
||||
return;
|
||||
}
|
||||
|
||||
<b class="nc"> System.out.println("TCP server started on port: " + port);</b>
|
||||
<b class="nc"> System.out.println("Heartbeat server started on port: " + heartbeatPort);</b>
|
||||
|
||||
<b class="nc"> new Thread(this::acceptHeartbeat, "heartbeat-acceptor").start();</b>
|
||||
|
||||
while (true) {
|
||||
try {
|
||||
<b class="nc"> Socket clientSocket = socketTCP.accept();</b>
|
||||
|
||||
<b class="nc"> ObjectOutputStream clientSend = new ObjectOutputStream(clientSocket.getOutputStream());</b>
|
||||
<b class="nc"> clientSend.flush();</b>
|
||||
<b class="nc"> ObjectInputStream clientReceive = new ObjectInputStream(clientSocket.getInputStream());</b>
|
||||
|
||||
<b class="nc"> NetworkEvent event = (NetworkEvent) clientReceive.readObject();</b>
|
||||
|
||||
<b class="nc"> if (!(event.getEventType() == EventType.ADD_PLAYER)) {</b>
|
||||
clientSocket.close();
|
||||
<b class="nc"> System.out.println("Invalid parameters. Connection terminated.");</b>
|
||||
continue;
|
||||
}
|
||||
|
||||
<b class="nc"> AddPlayer eventAddPlayer = (AddPlayer) event;</b>
|
||||
|
||||
<b class="nc"> if (eventAddPlayer.getProposedNPlayer() < NetworkConfig.MIN_PLAYERS</b>
|
||||
<b class="nc"> || eventAddPlayer.getProposedNPlayer() > NetworkConfig.MAX_PLAYERS) {</b>
|
||||
<b class="nc"> eventAddPlayer.setErrorType(ErrorType.WRONG_PLAYER_NUMBER);</b>
|
||||
<b class="nc"> eventAddPlayer.setIsError(true);</b>
|
||||
<b class="nc"> clientSend.writeObject(eventAddPlayer);</b>
|
||||
clientSocket.close();
|
||||
<b class="nc"> System.out.println("Invalid parameters. Connection terminated.");</b>
|
||||
continue;
|
||||
}
|
||||
|
||||
<b class="nc"> synchronized (controller) {</b>
|
||||
<b class="nc"> String username = eventAddPlayer.getUsername();</b>
|
||||
//reconnect players after a server crash
|
||||
<b class="nc"> if (playerList.isEmpty()&& controller.getModel()==null) {</b>
|
||||
<b class="nc"> Game model = new Game(eventAddPlayer.getProposedNPlayer());</b>
|
||||
<b class="nc"> controller.setModel(model);</b>
|
||||
<b class="nc"> playerList.setLimit(eventAddPlayer.getProposedNPlayer());</b>
|
||||
<b class="nc"> System.out.println("Game Created With :"+eventAddPlayer.getProposedNPlayer()+" Players");</b>
|
||||
}
|
||||
<b class="nc"> if(controller.getModel().getCurrentState().getGameStage()!= GameStages.WAITING ) {</b>
|
||||
<b class="nc"> if (controller.getModel().getPlayers().stream().noneMatch(p -> p.getUserName().equals(username))|| controller.getModel().getCurrentState().getGameStage()==GameStages.ENDED) {</b>
|
||||
<b class="nc"> eventAddPlayer.setErrorType(ErrorType.GAME_ALREADY_STARTED);</b>
|
||||
<b class="nc"> eventAddPlayer.setIsError(true);</b>
|
||||
<b class="nc"> clientSend.writeObject(eventAddPlayer);</b>
|
||||
clientSocket.close();
|
||||
<b class="nc"> System.out.println("Invalid parameters. Connection terminated.");</b>
|
||||
<b class="nc"> continue;</b>
|
||||
}
|
||||
}
|
||||
else {
|
||||
<b class="nc"> if (controller.addPlayer(username)) {</b>
|
||||
<b class="nc"> playerList.put(username, true);</b>
|
||||
<b class="nc"> System.out.println("Accepted player: " + username);</b>
|
||||
<b class="nc"> clientSend.writeObject(eventAddPlayer);</b>
|
||||
<b class="nc"> ClientHandler handler = createAndRegisterHandler(</b>
|
||||
username, clientSocket, clientSend, clientReceive);
|
||||
<b class="nc"> new Thread(handler).start();</b>
|
||||
<b class="nc"> continue;</b>
|
||||
} else {
|
||||
<b class="nc"> eventAddPlayer.setErrorType(ErrorType.USERNAME_ALREADY_USED);</b>
|
||||
<b class="nc"> eventAddPlayer.setIsError(true);</b>
|
||||
<b class="nc"> clientSend.writeObject(eventAddPlayer);</b>
|
||||
clientSocket.close();
|
||||
<b class="nc"> System.out.println("Invalid parameters. Connection terminated.");</b>
|
||||
<b class="nc"> continue;</b>
|
||||
}
|
||||
}
|
||||
|
||||
<b class="nc"> if (!playerList.containsKey(username)) {</b>
|
||||
<b class="nc"> playerList.put(username, true);</b>
|
||||
<b class="nc"> System.out.println("(After crash)Reconnected player: " + username);</b>
|
||||
<b class="nc"> clientSend.writeObject(eventAddPlayer);</b>
|
||||
<b class="nc"> ClientHandler handler = createAndRegisterHandler(</b>
|
||||
username, clientSocket, clientSend, clientReceive);
|
||||
<b class="nc"> new Thread(handler).start();</b>
|
||||
<b class="nc"> } else if (!playerList.get(username)) {</b>
|
||||
// reconnect a previously disconnected player
|
||||
<b class="nc"> playerList.put(username, true);</b>
|
||||
<b class="nc"> System.out.println("Reconnected player: " + username);</b>
|
||||
<b class="nc"> clientSend.writeObject(eventAddPlayer);</b>
|
||||
<b class="nc"> ClientHandler handler = createAndRegisterHandler(</b>
|
||||
username, clientSocket, clientSend, clientReceive);
|
||||
<b class="nc"> Game game = controller.getModel();</b>
|
||||
<b class="nc"> handler.notifyMiniModel(new MiniModel(</b>
|
||||
<b class="nc"> game.getSlotMap(), game.getOrderLogicCard(),</b>
|
||||
<b class="nc"> game.getCurrentState(), game.getPlayers(),</b>
|
||||
<b class="nc"> game.getAvailableTotems(),</b>
|
||||
<b class="nc"> game.getUpperListTribeCards(), game.getLowerListTribeCards(),</b>
|
||||
<b class="nc"> game.getUpperListBuilding(), game.getLowerListBuilding(),</b>
|
||||
<b class="nc"> disconnectedUsernames(game)));</b>
|
||||
<b class="nc"> new Thread(handler).start();</b>
|
||||
<b class="nc"> actionQueue.add(new ReconnectPlayer(username));</b>
|
||||
} else {
|
||||
<b class="nc"> eventAddPlayer.setErrorType(ErrorType.USER_ALREADY_CONNECTED);</b>
|
||||
<b class="nc"> eventAddPlayer.setIsError(true);</b>
|
||||
<b class="nc"> clientSend.writeObject(eventAddPlayer);</b>
|
||||
clientSocket.close();
|
||||
<b class="nc"> System.out.println("Invalid parameters. Connection terminated.");</b>
|
||||
}
|
||||
<b class="nc"> }</b>
|
||||
} catch (IOException | ClassNotFoundException e) {
|
||||
<b class="nc"> e.printStackTrace();</b>
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Accepts heartbeat connections and associates them with the correct client handler.
|
||||
*
|
||||
* <p>Each client immediately sends its username on the heartbeat channel.
|
||||
* The method uses that username to retrieve the pending {@link ClientHandler}
|
||||
* and starts a dedicated {@link HeartbeatHandler}. If no pending handler is found,
|
||||
* the heartbeat socket is closed.
|
||||
*/
|
||||
private void acceptHeartbeat() {
|
||||
while (true) {
|
||||
try {
|
||||
<b class="nc"> Socket hbSocket = heartbeatSocketTCP.accept();</b>
|
||||
<b class="nc"> ObjectInputStream hbIn =</b>
|
||||
<b class="nc"> new ObjectInputStream(hbSocket.getInputStream());</b>
|
||||
|
||||
<b class="nc"> String username = (String) hbIn.readObject();</b>
|
||||
|
||||
<b class="nc"> ClientHandler handler = pendingHeartbeat.remove(username);</b>
|
||||
|
||||
<b class="nc"> if (handler != null) {</b>
|
||||
<b class="nc"> HeartbeatHandler hb =</b>
|
||||
new HeartbeatHandler(username, hbSocket, handler);
|
||||
|
||||
<b class="nc"> new Thread(hb, "heartbeat-" + username).start();</b>
|
||||
<b class="nc"> System.out.println("Heartbeat connected for: " + username);</b>
|
||||
} else {
|
||||
<b class="nc"> System.out.println(</b>
|
||||
"No pending handler for: " + username + ", closing heartbeat."
|
||||
);
|
||||
hbSocket.close();
|
||||
}
|
||||
|
||||
} catch (IOException | ClassNotFoundException e) {
|
||||
<b class="nc"> e.printStackTrace();</b>
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Notifies connected TCP clients of a new network event.
|
||||
*
|
||||
* <p>If the event does not represent an error, it is sent to all connected clients.
|
||||
* If it represents an error, it is sent only to the client that requested the action.
|
||||
*
|
||||
* @param event the network event to send to the clients.
|
||||
*/
|
||||
public void notifyAll(NetworkEvent event) {
|
||||
<b class="nc"> clientHandlers.forEach(h -> {</b>
|
||||
<b class="nc"> if (!event.isError() || event.getUsername().equals(h.getUsername())) {</b>
|
||||
<b class="nc"> h.notifyEvent(event);</b>
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* Notifies all connected TCP clients of a new game model.
|
||||
*
|
||||
* @param model the updated mini model to send to the clients.
|
||||
*/
|
||||
public void notifyAll(MiniModel model) {
|
||||
<b class="nc"> clientHandlers.forEach(h -> h.notifyMiniModel(model));</b>
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates a {@link ClientHandler}, registers it in {@code pendingHeartbeat}
|
||||
* and {@code clientHandlers}, but does NOT start its thread — callers start
|
||||
* the thread after any extra setup (e.g. sending a model snapshot).
|
||||
*/
|
||||
private ClientHandler createAndRegisterHandler(String username,
|
||||
Socket socket,
|
||||
ObjectOutputStream out,
|
||||
ObjectInputStream in) {
|
||||
<b class="nc"> ClientHandler handler = new ClientHandler(</b>
|
||||
username, socket, out, in, clientHandlers, playerList, actionQueue);
|
||||
<b class="nc"> pendingHeartbeat.put(username, handler);</b>
|
||||
<b class="nc"> clientHandlers.add(handler);</b>
|
||||
<b class="nc"> return handler;</b>
|
||||
}
|
||||
|
||||
/** Returns usernames of players currently marked as disconnected in the given game. */
|
||||
private static ArrayList<String> disconnectedUsernames(Game game) {
|
||||
<b class="nc"> return game.getDisconnectedPlayers().entrySet().stream()</b>
|
||||
<b class="nc"> .filter(Map.Entry::getValue)</b>
|
||||
<b class="nc"> .map(e -> e.getKey().getUserName())</b>
|
||||
<b class="nc"> .collect(Collectors.toCollection(ArrayList::new));</b>
|
||||
}
|
||||
}
|
||||
</code>
|
||||
</pre>
|
||||
</div>
|
||||
|
||||
<script type="text/javascript">
|
||||
(function() {
|
||||
var msie = false, msie9 = false;
|
||||
/*@cc_on
|
||||
msie = true;
|
||||
@if (@_jscript_version >= 9)
|
||||
msie9 = true;
|
||||
@end
|
||||
@*/
|
||||
|
||||
if (!msie || msie && msie9) {
|
||||
hljs.highlightAll()
|
||||
hljs.initLineNumbersOnLoad();
|
||||
}
|
||||
})();
|
||||
</script>
|
||||
|
||||
<div class="footer">
|
||||
|
||||
<div style="float:right;">generated on 2026-06-14 21:53</div>
|
||||
</div>
|
||||
</body>
|
||||
</html>
|
||||
Reference in New Issue
Block a user