Add dependencies

java/wcferry/build.gradle

@@ -10,10 +10,13 @@ repositories {
 }
 
 dependencies {
+    implementation 'com.google.protobuf:protobuf-java:3.22.2'
+    implementation 'net.java.dev.jna:jna:5.6.0'
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
     testImplementation 'org.junit.jupiter:junit-jupiter-api:5.8.1'
     testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.8.1'
 }
 
 test {
     useJUnitPlatform()
-}
+}

java/wcferry/src/main/java/com/iamteer/Client.java

@@ -0,0 +1,62 @@
+package com.iamteer;
+
+import com.iamteer.Wcf.Functions;
+import com.iamteer.Wcf.Request;
+import com.iamteer.Wcf.Response;
+import io.sisu.nng.Socket;
+import io.sisu.nng.pair.Pair1Socket;
+
+import java.nio.ByteBuffer;
+import java.util.Arrays;
+
+public class Client {
+    private final int BUFFER_SIZE = 16 * 1024 * 1024; // 16M
+    private Socket socket = null;
+
+    public Client(String hostPort) {
+        connectRPC(hostPort);
+    }
+
+    private void connectRPC(String url) {
+        try {
+            socket = new Pair1Socket();
+            socket.dial(url);
+            while (!isLogin()) { // 直到登录成功
+                waitMs(1000);
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+            System.exit(-1);
+        }
+    }
+
+    public boolean isLogin() {
+        Request req = new Request.Builder().setFuncValue(Functions.FUNC_IS_LOGIN_VALUE).build();
+        Response rsp = sendCmd(req);
+        if (rsp != null) {
+            return rsp.getStatus() == 1;
+        }
+        return false;
+    }
+
+    public void waitMs(int ms) {
+        try {
+            Thread.sleep(ms);
+        } catch (InterruptedException ex) {
+            Thread.currentThread().interrupt();
+        }
+    }
+
+    private Response sendCmd(Request req) {
+        try {
+            ByteBuffer bb = ByteBuffer.wrap(req.toByteArray());
+            socket.send(bb);
+            ByteBuffer ret = ByteBuffer.allocate(BUFFER_SIZE);
+            long size = socket.receive(ret, true);
+            return Response.parseFrom(Arrays.copyOfRange(ret.array(), 0, (int) size));
+        } catch (Exception e) {
+            e.printStackTrace();
+            return null;
+        }
+    }
+}

java/wcferry/src/main/java/com/iamteer/Main.java

@@ -0,0 +1,10 @@
+package com.iamteer;
+
+public class Main {
+    public static void main(String[] args) {
+        final String url = "tcp://192.168.1.104:10086";
+        Client client = new Client(url);
+
+        System.out.println("IsLogin: " + client.isLogin());
+    }
+}

java/wcferry/src/main/java/org/example/Main.java

@@ -1,7 +0,0 @@
-package org.example;
-
-public class Main {
-    public static void main(String[] args) {
-        System.out.println("Hello world!");
-    }
-}