GabrieleRadice
266 lines
8.7 KiB
HTML
266 lines
8.7 KiB
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<title>Coverage Report > ClientHandler</title>
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Current scope: <a href="../../index.html">all classes</a>
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<a href="../index.html">it.polimi.ingsw.gc14.Network.TCP.Server</a>
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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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<th class="name">Class</th>
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">
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Class, %
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Method, %
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<td class="name">ClientHandler</td>
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<span class="percent">
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0%
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</span>
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<span class="absValue">
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(0/1)
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</span>
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<span class="percent">
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0%
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<span class="absValue">
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(0/6)
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0%
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<span class="absValue">
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(0/14)
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</td>
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<td class="coverageStat">
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<span class="percent">
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0%
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<span class="absValue">
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(0/31)
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</td>
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</tr>
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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 it.polimi.ingsw.gc14.LimitedMap;
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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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/** {@code true} while the handler is actively reading from the socket; set to {@code false} on disconnect. */
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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 final Socket clientSocket;
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/** Input stream used to receive objects from the client */
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private final ObjectInputStream in;
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/** Output stream used to send objects to the client */
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private final 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 final List<ClientHandler> clientHandlers;
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/** Maps each connected player's username to their connection state (true = connected). */
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private final LimitedMap<String, Boolean> limitedMap;
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/** Queue containing the events to be applied to the game model */
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private final 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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} 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.err.println("(TCP) 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 style="float:right;">generated on 2026-06-19 22:53</div>
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