build.gradle

@@ -1,31 +1,19 @@
-import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
-
 plugins {
     id 'java'
-    id 'com.gradleup.shadow' version '9.0.0-beta4'
+    id 'application'
 }
 
 group = 'net.pixtaded'
-version = projectVersion
+version = '1.0-SNAPSHOT'
 
 repositories {
     mavenCentral()
 }
 
+application {
+    mainClass = 'net.pixtaded.crab.Main'
+}
+
 dependencies {
     implementation('org.xerial:sqlite-jdbc:3.47.1.0')
 }
-
-tasks.build.dependsOn tasks.shadowJar
-
-tasks.named('jar', Jar) {
-    manifest {
-        attributes 'Main-Class': 'net.pixtaded.crab.Main'
-    }
-}
-
-tasks.named('shadowJar', ShadowJar) {
-    archiveBaseName = 'crab'
-    archiveClassifier = ''
-    archiveVersion = projectVersion
-}

gradle.properties

@@ -1 +0,0 @@
-projectVersion=1.0.5

src/main/java/net/pixtaded/crab/client/CrabClient.java

@@ -1,7 +1,6 @@
 package net.pixtaded.crab.client;
 
 import net.pixtaded.crab.common.Crab;
-import net.pixtaded.crab.common.Logs;
 import net.pixtaded.crab.common.Sanitizer;
 
 import java.io.*;
@@ -19,7 +18,6 @@ public class CrabClient implements Crab {
     private BufferedReader in;
     private int lastBufferLength = 0;
     private String nickname;
-    private Logs cache = new Logs(0, "");
 
     public CrabClient() {
         this.nickname = "";
@@ -39,6 +37,7 @@ public class CrabClient implements Crab {
         try {
             if (this.serverAddress == null)
                 setup();
+            connect();
             communicate();
         } catch (IOException e) {
             System.err.println("Error connecting to the server: " + e.getMessage());
@@ -69,7 +68,7 @@ public class CrabClient implements Crab {
 
         System.out.print("Enter your nickname (leave empty for no nickname): ");
         nickname = scanner.nextLine();
-        if (!nickname.isEmpty())
+        if (nickname != "")
             nickname = "<" + nickname + "> ";
     }
 
@@ -83,7 +82,9 @@ public class CrabClient implements Crab {
     private void communicate() throws IOException {
         Scanner scanner = new Scanner(System.in);
         String message;
+
         while (true) {
+            System.out.print("\033[H\033[2J");
             getLogs();
             System.out.print("Enter a message (or type '/exit' to exit): ");
             message = scanner.nextLine();
@@ -97,14 +98,12 @@ public class CrabClient implements Crab {
     }
 
     private void sendPacket(byte PID, String argument) throws IOException {
-        connect();
         String formattedMessage = String.valueOf((char) PID) + argument + "\n";
 
         out.print(formattedMessage);
         out.flush();
 
         receiveResponse(PID);
-        closeConnection();
     }
 
     private void receiveResponse(byte PID) throws IOException {
@@ -114,15 +113,13 @@ public class CrabClient implements Crab {
                 int response = in.read(buffer);
                 lastBufferLength = Integer.parseInt(new String(buffer).trim());
             } case LOGS -> {
-                if (cache.sizeInBytes() != lastBufferLength) {
+                byte[] bytes = socket.getInputStream().readNBytes(lastBufferLength);
-                    byte[] bytes = socket.getInputStream().readNBytes(lastBufferLength);
+                System.out.print(Sanitizer.sanitizeString(new String(bytes, StandardCharsets.UTF_8), false));
-                    cache = new Logs(lastBufferLength, new String(bytes, StandardCharsets.UTF_8));
-                }
-                clearScreen();
-                System.out.print(Sanitizer.sanitizeString(cache.content(), false));
             } default -> {
             }
         }
+        closeConnection();
+        connect();
     }
 
     private void closeConnection() {
@@ -139,9 +136,4 @@ public class CrabClient implements Crab {
         sendPacket(LOGS_SIZE, "");
         sendPacket(LOGS, "");
     }
-
-    private void clearScreen() {
-        System.out.print("\033[999999S\033[H\033[2J");
-    }
-
 }

src/main/java/net/pixtaded/crab/common/Logs.java

@@ -1,4 +0,0 @@
-package net.pixtaded.crab.common;
-
-public record Logs(int sizeInBytes, String content) {
-}

src/main/java/net/pixtaded/crab/common/Sanitizer.java

@@ -2,15 +2,11 @@ package net.pixtaded.crab.common;
 
 public class Sanitizer {
     public static String sanitizeString(String s, boolean sanitizeNewlines) {
-        String sanitized = s.replaceAll("[\010\015\033]", "");
+        String sanitized = s.replaceAll("\033", "");
         if (sanitizeNewlines) {
             sanitized = sanitized.replaceAll("\n", "\\\\n");
             if (!s.endsWith("\n")) sanitized += '\n';
         }
         return sanitized;
     }
-
-    public static String formatMessage(long timeMillis, String address, String content) {
-        return String.format("[%td.%1$tm.%1$tY %1$tR] {%s} %s", timeMillis, address, content);
-    }
 }

src/main/java/net/pixtaded/crab/server/CrabServer.java

@@ -1,6 +1,5 @@
 package net.pixtaded.crab.server;
 import net.pixtaded.crab.common.Crab;
-import net.pixtaded.crab.common.Logs;
 
 import java.io.IOException;
 import java.net.ServerSocket;
@@ -13,8 +12,7 @@ public class CrabServer implements Crab {
     private Socket socket;
     private boolean isStopped = false;
     private int port;
-    private final Database db;
+    private Database db;
-    public Logs cache = new Logs(0, "");
 
     public CrabServer() {
         this.db = new Database("data.db");
@@ -30,7 +28,6 @@ public class CrabServer implements Crab {
         try {
             if (this.port == 0)
                 setup();
-            this.cache = getDb().getLogs();
             listen();
         } catch (IOException e) {
             if (!isStopped) System.err.println("Error starting server: " + e.getMessage());
@@ -69,9 +66,9 @@ public class CrabServer implements Crab {
         }
     }
 
-    public synchronized void stop() {
+    public void stop() {
-        isStopped = true;
         try {
+            isStopped = true;
             if (socket != null) socket.close();
             if (serverSocket != null) serverSocket.close();
         } catch (IOException e) {

src/main/java/net/pixtaded/crab/server/Database.java

@@ -1,14 +1,15 @@
 package net.pixtaded.crab.server;
 
-import net.pixtaded.crab.common.Logs;
 import net.pixtaded.crab.common.Sanitizer;
 
 import java.sql.*;
 import java.util.Date;
+import java.util.Locale;
 
-public class Database implements AutoCloseable {
+public class Database {
 
     private Connection connection;
+    private String logs = "";
 
     public Database(String dbName) {
         try {
@@ -49,23 +50,22 @@ public class Database implements AutoCloseable {
         }
     }
 
-    public Logs getLogs() {
+    public String getLogs() {
         StringBuilder s = new StringBuilder();
         try (ResultSet rs = query("SELECT time, address, msg FROM messages")) {
             while (rs.next()) {
-                s.append(Sanitizer.formatMessage(rs.getLong(1), rs.getString(2), rs.getString(3)));
+                s.append(String.format("[%td.%1$tm.%1$tY %1$tR] {%s} %s", rs.getLong(1), rs.getString(2), rs.getString(3)));
             }
         } catch (SQLException e) {
             throw new RuntimeException(e);
         }
-        String logsString = s.toString();
+        logs = s.toString();
-        return new Logs(logsString.isEmpty() ? 0 : logsString.getBytes().length, logsString);
+        return logs;
     }
 
-    @Override
+    public int getLogSize() {
-    public void close() throws SQLException {
+        if (logs.isEmpty()) return 0;
-        if (connection != null && !connection.isClosed()) {
+        else return logs.getBytes().length;
-            connection.close();
-        }
     }
+
 }

src/main/java/net/pixtaded/crab/server/ServerThread.java

@@ -1,8 +1,5 @@
 package net.pixtaded.crab.server;
 
-import net.pixtaded.crab.common.Logs;
-import net.pixtaded.crab.common.Sanitizer;
-
 import java.io.*;
 import java.net.Socket;
 import java.nio.charset.StandardCharsets;
@@ -33,30 +30,18 @@ public class ServerThread implements Runnable {
     public void run() {
         try {
             byte[] PID = input.readNBytes(1);
-            if (PID.length == 0) {
-                socket.close();
-                return;
-            }
             switch (PID[0]) {
                 case MESSAGE -> {
-                    Date date = new Date();
+                    server.getDb().logMessage(new Date(), socket.getInetAddress().getHostAddress(), new String(input.readNBytes(4096), StandardCharsets.UTF_8).trim());
-                    String msg = new String(input.readNBytes(4096), StandardCharsets.UTF_8).trim();
+                    socket.close();
-                    String address = socket.getInetAddress().getHostAddress();
-
-                    String s = Sanitizer.sanitizeString(msg, true);
-                    String newContent = server.cache.content() + Sanitizer.formatMessage(date.getTime(), address, s);
-                    server.cache = new Logs(newContent.getBytes().length, newContent);
-
-                    new Thread(new LogDBThread(date, address, msg)).start();
                 } case LOGS -> {
-                    respond(server.cache.content());
+                    respond(server.getDb().getLogs());
                 } case LOGS_SIZE -> {
-                    respond(String.valueOf(server.cache.sizeInBytes()));
+                    respond(String.valueOf(server.getDb().getLogSize()));
                 } default -> {
                     System.out.println("PID not implemented: " + PID[0]);
                 }
             }
-            socket.close();
         } catch (Exception e) {
             throw new RuntimeException(e);
         }
@@ -65,27 +50,10 @@ public class ServerThread implements Runnable {
     private void respond(byte[] data) throws IOException {
         socket.getOutputStream().write(data);
         socket.getOutputStream().flush();
+        socket.close();
     }
 
     private void respond(String utf8) throws IOException {
         respond(utf8.getBytes(StandardCharsets.UTF_8));
     }
-
-    private class LogDBThread implements Runnable {
-
-        Date date;
-        String msg;
-        String address;
-
-        public LogDBThread(Date date, String address, String msg) {
-            this.date = date;
-            this.msg = msg;
-            this.address = address;
-        }
-
-        @Override
-        public void run() {
-            server.getDb().logMessage(date, address, msg);
-        }
-    }
 }