Initial commit

JavaUDSClient/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<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>se.rutdev.proxmig</groupId>
+    <artifactId>JavaUDSClient</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>23</maven.compiler.source>
+        <maven.compiler.target>23</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+</project>

JavaUDSClient/src/main/java/nu/zoom/checked/client/Main.java

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+package nu.zoom.checked.client;
+
+import java.io.IOException;
+import java.net.StandardProtocolFamily;
+import java.net.UnixDomainSocketAddress;
+import java.nio.ByteBuffer;
+import java.nio.channels.SocketChannel;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.UUID;
+
+public class Main {
+    public static void main(String[] args) throws IOException {
+        new Main().run();
+    }
+
+    private void run() throws IOException {
+        try (var clientChannel = SocketChannel.open(StandardProtocolFamily.UNIX)) {
+            var serverPath = Path.of("/tmp").resolve("udsserver.sock") ;
+            var serverAddress = UnixDomainSocketAddress.of(serverPath);
+            clientChannel.connect(serverAddress);
+
+            var clientMessage = "quit från - " + UUID.randomUUID();
+
+            sendMessage(clientMessage, clientChannel);
+        }
+    }
+
+    private static void sendMessage(String clientMessage, SocketChannel clientChannel) throws IOException {
+        var messageBytes = clientMessage.getBytes(StandardCharsets.UTF_8);
+        var messageBuffer = ByteBuffer.allocate(500);
+        messageBuffer.put((byte) messageBytes.length);
+        messageBuffer.put(messageBytes);
+        messageBuffer.flip();
+        clientChannel.write(messageBuffer);
+    }
+
+    static class MessageToLongException extends Exception {}
+}