Initial

.gitignore

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+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+Client*/
+
+### IntelliJ IDEA ###
+.idea/
+.idea/modules.xml
+.idea/jarRepositories.xml
+.idea/compiler.xml
+.idea/libraries/
+*.iws
+*.iml
+*.ipr
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store

pom.xml

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+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>eu.velend</groupId>
+    <artifactId>bcow-server</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+    </properties>
+
+    <dependencies>
+        <!-- Server does not need pcap4j dependencies -->
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.1</version>
+                <configuration>
+                    <source>11</source>
+                    <target>11</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>

src/main/java/BcowServer.java

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+import java.io.*;
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.nio.charset.StandardCharsets;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+public class BcowServer {
+
+    private static final int PORT = 9999;
+
+    public static void main(String[] args) {
+        try (ServerSocket serverSocket = new ServerSocket(PORT)) {
+            System.out.println("Server is listening on port " + PORT);
+
+            while (true) {
+                new ClientHandler(serverSocket.accept()).start();
+            }
+        } catch (IOException ex) {
+            ex.printStackTrace();
+        }
+    }
+
+    private static class ClientHandler extends Thread {
+        private Socket socket;
+
+        public ClientHandler(Socket socket) {
+            this.socket = socket;
+        }
+
+        public void run() {
+            try (InputStream input = socket.getInputStream()) {
+                BufferedReader reader = new BufferedReader(new InputStreamReader(input, StandardCharsets.UTF_8));
+
+                String data = reader.readLine();
+                if (data != null) {
+                    processPacketData(data);
+                }
+            } catch (IOException ex) {
+                ex.printStackTrace();
+            }
+        }
+
+        private void processPacketData(String data) {
+            try {
+                String[] parts = data.split("\\|");
+
+                if (parts.length >= 4) {
+                    String id = parts[0].split(":")[1].trim();
+                    String name = parts[1].split(":")[1].trim();
+                    String timezone = parts[2].split(":")[1].trim();
+                    String packetData = parts[3].split(":")[1].trim();
+
+                    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
+                    String date = sdf.format(new Date());
+                    SimpleDateFormat timeFormat = new SimpleDateFormat("HH-mm-ss");
+                    String time = timeFormat.format(new Date());
+
+                    File dir = new File(name + "_" + id + "/" + date);
+                    if (!dir.exists()) {
+                        dir.mkdirs();
+                    }
+
+                    try (BufferedWriter writer = new BufferedWriter(new FileWriter(new File(dir, time + ".txt")))) {
+                        writer.write(packetData);
+                    } catch (IOException e) {
+                        e.printStackTrace();
+                    }
+
+                    // Log the received packet data for verification
+                    System.out.println("Received ID:" + id + " Name:" + name + " Timezone:" + timezone + " Data:" + packetData);
+                } else {
+                    System.err.println("Malformed data received: " + data);
+                }
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+        }
+    }
+}