Move java api to extras/

[vpp.git] / extras / japi / java / jvpp-core / io / fd / vpp / jvpp / core / examples / CallbackNotificationApiExample.java

diff --git a/extras/japi/java/jvpp-core/io/fd/vpp/jvpp/core/examples/CallbackNotificationApiExample.java b/extras/japi/java/jvpp-core/io/fd/vpp/jvpp/core/examples/CallbackNotificationApiExample.java
new file mode 100644 (file)
index 0000000..9ed418e
--- /dev/null
+++ b/extras/japi/java/jvpp-core/io/fd/vpp/jvpp/core/examples/CallbackNotificationApiExample.java
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.fd.vpp.jvpp.core.examples;
+
+import static io.fd.vpp.jvpp.core.examples.NotificationUtils.getChangeInterfaceState;
+import static io.fd.vpp.jvpp.core.examples.NotificationUtils.getDisableInterfaceNotificationsReq;
+import static io.fd.vpp.jvpp.core.examples.NotificationUtils.getEnableInterfaceNotificationsReq;
+import static io.fd.vpp.jvpp.core.examples.NotificationUtils.printNotification;
+
+import io.fd.vpp.jvpp.JVpp;
+import io.fd.vpp.jvpp.JVppRegistry;
+import io.fd.vpp.jvpp.JVppRegistryImpl;
+import io.fd.vpp.jvpp.VppCallbackException;
+import io.fd.vpp.jvpp.core.JVppCoreImpl;
+import io.fd.vpp.jvpp.core.callback.SwInterfaceEventCallback;
+import io.fd.vpp.jvpp.core.callback.WantInterfaceEventsReplyCallback;
+import io.fd.vpp.jvpp.core.dto.SwInterfaceEvent;
+import io.fd.vpp.jvpp.core.dto.SwInterfaceSetFlagsReply;
+import io.fd.vpp.jvpp.core.dto.WantInterfaceEventsReply;
+
+public class CallbackNotificationApiExample {
+
+    private static void testCallbackApi() throws Exception {
+        System.out.println("Testing Java callback API for notifications");
+        try (final JVppRegistry registry = new JVppRegistryImpl("CallbackNotificationApiExample");
+             final JVpp jvpp = new JVppCoreImpl()) {
+            registry.register(jvpp, new TestCallback());
+            System.out.println("Successfully connected to VPP");
+
+            getEnableInterfaceNotificationsReq().send(jvpp);
+            System.out.println("Interface notifications started");
+            // TODO test ifc dump which also triggers interface flags send
+
+            System.out.println("Changing interface configuration");
+            getChangeInterfaceState().send(jvpp);
+
+            // Notifications are received
+            Thread.sleep(500);
+
+            getDisableInterfaceNotificationsReq().send(jvpp);
+            System.out.println("Interface events stopped");
+
+            Thread.sleep(2000);
+            System.out.println("Disconnecting...");
+        }
+        Thread.sleep(1000);
+    }
+
+    public static void main(String[] args) throws Exception {
+        testCallbackApi();
+    }
+
+    private static class TestCallback implements SwInterfaceEventCallback,
+            WantInterfaceEventsReplyCallback {
+
+        @Override
+        public void onSwInterfaceEvent(
+            final SwInterfaceEvent msg) {
+            printNotification(msg);
+        }
+
+        @Override
+        public void onWantInterfaceEventsReply(final WantInterfaceEventsReply wantInterfaceEventsReply) {
+            System.out.println("Interface notification stream updated");
+        }
+
+        @Override
+        public void onError(VppCallbackException ex) {
+            System.out.printf("Received onError exception in getNodeIndexCallback: call=%s, reply=%d, context=%d%n",
+                ex.getMethodName(), ex.getErrorCode(), ex.getCtxId());
+
+        }
+    }
+}