Add WIP Java language bindings

2021-04-29 19:51:07 -07:00
parent 904e50e8e9
commit 782d221eb9
16 changed files with 3833 additions and 1074 deletions
--- a/test/selftest.java
+++ b/test/selftest.java
@@ -0,0 +1,138 @@
+import com.zerotier.sdk.*;
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.math.BigInteger;
+
+public class selftest {
+    public static void main(String[] args)
+    {
+        System.err.println(args.length);
+        if (args.length < 4 || args.length > 5) {
+            System.err.println("Invalid arguments");
+            System.err.println(" Usage: <server|client> <id_path> <network> <addr> <port>");
+            System.err.println("  example server ./ 0123456789abcdef 8080");
+            System.err.println("  example client ./ 0123456789abcdef 192.168.22.1 8080\n");
+            System.exit(1);
+        }
+
+        String storagePath = "";
+        String remoteAddr = "";
+        int port = 0;
+        String mode = args[0];
+        storagePath = args[1];
+        BigInteger networkId = new BigInteger(args[2], 16);
+        if (args.length == 4) {
+            port = Integer.parseInt(args[3]);
+        }
+        if (args.length == 5) {
+            remoteAddr = args[3];
+            port = Integer.parseInt(args[4]);
+        }
+        System.out.println("mode        = " + mode);
+        System.out.println("networkId   = " + Long.toHexString(networkId.longValue()));
+        System.out.println("storagePath = " + storagePath);
+        System.out.println("remoteAddr  = " + remoteAddr);
+        System.out.println("port        = " + port);
+
+        // ZeroTier setup
+
+        ZeroTierNode node = new ZeroTierNode();
+
+        node.initFromStorage(storagePath);
+        // node.initSetEventHandler(new MyZeroTierEventListener());
+        // node.initSetPort(9994);
+        node.start();
+
+        System.out.println("Waiting for node to come online...");
+        while (! node.isOnline()) {
+            ZeroTierNative.zts_util_delay(50);
+        }
+        System.out.println("Node ID: " + Long.toHexString(node.getId()));
+        System.out.println("Joining network...");
+        node.join(networkId.longValue());
+        System.out.println("Waiting for network...");
+        while (! node.isNetworkTransportReady(networkId.longValue())) {
+            ZeroTierNative.zts_util_delay(50);
+        }
+        System.out.println("joined");
+
+        // Socket logic
+
+        if (mode.equals("server")) {
+            System.out.println("Starting server...");
+            try {
+                ZeroTierSocket socket =
+                    new ZeroTierSocket(ZeroTierNative.ZTS_AF_INET, ZeroTierNative.ZTS_SOCK_STREAM, 0);
+                socket.bind("0.0.0.0", port);
+                socket.listen(100);
+                ZeroTierSocket newConnection = socket.accept();
+                ZeroTierInputStream inputStream = newConnection.getInputStream();
+                DataInputStream dataInputStream = new DataInputStream(inputStream);
+                String message = dataInputStream.readUTF();
+                System.out.println("recv: " + message);
+                socket.close();
+                newConnection.close();
+            }
+            catch (Exception ex) {
+                System.out.println(ex);
+            }
+        }
+
+        if (mode.equals("client")) {
+            System.out.println("Starting client...");
+            try {
+                ZeroTierSocket socket =
+                    new ZeroTierSocket(ZeroTierNative.ZTS_AF_INET, ZeroTierNative.ZTS_SOCK_STREAM, 0);
+                socket.connect(remoteAddr, port);
+                ZeroTierOutputStream outputStream = socket.getOutputStream();
+                DataOutputStream dataOutputStream = new DataOutputStream(outputStream);
+                dataOutputStream.writeUTF("Hello from java!");
+                socket.close();
+            }
+            catch (Exception ex) {
+                System.out.println(ex);
+            }
+        }
+    }
+}
+
+/**
+ * (OPTIONAL) event handler
+ */
+/*
+class MyZeroTierEventListener implements ZeroTierEventListener {
+    public void onZeroTierEvent(long id, int event_code)
+    {
+        if (event_code == ZeroTierNative.ZTS_EVENT_NODE_UP) {
+            System.out.println("EVENT_NODE_UP");
+        }
+        if (event_code == ZeroTierNative.ZTS_EVENT_NODE_ONLINE) {
+            System.out.println("EVENT_NODE_ONLINE: " + Long.toHexString(id));
+        }
+        if (event_code == ZeroTierNative.ZTS_EVENT_NODE_OFFLINE) {
+            System.out.println("EVENT_NODE_OFFLINE");
+        }
+        if (event_code == ZeroTierNative.ZTS_EVENT_NODE_DOWN) {
+            System.out.println("EVENT_NODE_DOWN");
+        }
+        if (event_code == ZeroTierNative.ZTS_EVENT_NETWORK_READY_IP4) {
+            System.out.println("ZTS_EVENT_NETWORK_READY_IP4: " + Long.toHexString(id));
+        }
+        if (event_code == ZeroTierNative.ZTS_EVENT_NETWORK_READY_IP6) {
+            System.out.println("ZTS_EVENT_NETWORK_READY_IP6: " + Long.toHexString(id));
+        }
+        if (event_code == ZeroTierNative.ZTS_EVENT_NETWORK_DOWN) {
+            System.out.println("EVENT_NETWORK_DOWN: " + Long.toHexString(id));
+        }
+        if (event_code == ZeroTierNative.ZTS_EVENT_NETWORK_OK) {
+            System.out.println("EVENT_NETWORK_OK: " + Long.toHexString(id));
+        }
+        if (event_code == ZeroTierNative.ZTS_EVENT_NETWORK_ACCESS_DENIED) {
+            System.out.println("EVENT_NETWORK_ACCESS_DENIED: " + Long.toHexString(id));
+        }
+        if (event_code == ZeroTierNative.ZTS_EVENT_NETWORK_NOT_FOUND) {
+            System.out.println("EVENT_NETWORK_NOT_FOUND: " + Long.toHexString(id));
+        }
+    }
+}
+*/