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diff --git a/vpp/vpp-api/java/jvpp/gen/jvppgen/jvpp_impl_gen.py b/vpp/vpp-api/java/jvpp/gen/jvppgen/jvpp_impl_gen.py
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+#!/usr/bin/env python
+#
+# 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.
+
+import os, util
+from string import Template
+
+jvpp_ifc_template = Template("""
+package $plugin_package;
+
+/**
+ * <p>Java representation of plugin's api file.
+ * <br>It was generated by jvpp_impl_gen.py based on $inputfile
+ * <br>(python representation of api file generated by vppapigen).
+ */
+public interface JVpp${plugin_name} extends $base_package.JVpp {
+
+ /**
+ * Generic dispatch method for sending requests to VPP
+ *
+ * @throws io.fd.vpp.jvpp.VppInvocationException if send request had failed
+ */
+ int send($base_package.$dto_package.JVppRequest request) throws io.fd.vpp.jvpp.VppInvocationException;
+
+$methods
+}
+""")
+
+jvpp_impl_template = Template("""
+package $plugin_package;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.StandardCopyOption;
+import java.nio.file.attribute.PosixFilePermission;
+import java.nio.file.attribute.PosixFilePermissions;
+import java.util.Set;
+import java.util.logging.Logger;
+import $base_package.callback.JVppCallback;
+import $base_package.VppConnection;
+import $base_package.JVppRegistry;
+
+/**
+ * <p>Default implementation of JVpp interface.
+ * <br>It was generated by jvpp_impl_gen.py based on $inputfile
+ * <br>(python representation of api file generated by vppapigen).
+ */
+public final class JVpp${plugin_name}Impl implements $plugin_package.JVpp${plugin_name} {
+
+ private final static Logger LOG = Logger.getLogger(JVpp${plugin_name}Impl.class.getName());
+ private static final String LIBNAME = "libjvpp_${plugin_name_underscore}.so.0.0.0";
+
+ // FIXME using NativeLibraryLoader makes load fail could not find (WantInterfaceEventsReply).
+ static {
+ try {
+ loadLibrary();
+ } catch (Exception e) {
+ LOG.severe("Can't find jvpp jni library: " + LIBNAME);
+ throw new ExceptionInInitializerError(e);
+ }
+ }
+
+ private static void loadStream(final InputStream is) throws IOException {
+ final Set<PosixFilePermission> perms = PosixFilePermissions.fromString("rwxr-x---");
+ final Path p = Files.createTempFile(LIBNAME, null, PosixFilePermissions.asFileAttribute(perms));
+ try {
+ Files.copy(is, p, StandardCopyOption.REPLACE_EXISTING);
+
+ try {
+ Runtime.getRuntime().load(p.toString());
+ } catch (UnsatisfiedLinkError e) {
+ throw new IOException("Failed to load library " + p, e);
+ }
+ } finally {
+ try {
+ Files.deleteIfExists(p);
+ } catch (IOException e) {
+ }
+ }
+ }
+
+ private static void loadLibrary() throws IOException {
+ try (final InputStream is = JVpp${plugin_name}Impl.class.getResourceAsStream('/' + LIBNAME)) {
+ if (is == null) {
+ throw new IOException("Failed to open library resource " + LIBNAME);
+ }
+ loadStream(is);
+ }
+ }
+
+ private VppConnection connection;
+ private JVppRegistry registry;
+
+ private static native void init0(final JVppCallback callback, final long queueAddress, final int clientIndex);
+ @Override
+ public void init(final JVppRegistry registry, final JVppCallback callback, final long queueAddress, final int clientIndex) {
+ this.registry = java.util.Objects.requireNonNull(registry, "registry should not be null");
+ this.connection = java.util.Objects.requireNonNull(registry.getConnection(), "connection should not be null");
+ connection.checkActive();
+ init0(callback, queueAddress, clientIndex);
+ }
+
+ private static native void close0();
+ @Override
+ public void close() {
+ close0();
+ }
+
+ @Override
+ public int send($base_package.$dto_package.JVppRequest request) throws io.fd.vpp.jvpp.VppInvocationException {
+ return request.send(this);
+ }
+
+ @Override
+ public final int controlPing(final io.fd.vpp.jvpp.dto.ControlPing controlPing) throws io.fd.vpp.jvpp.VppInvocationException {
+ return registry.controlPing(JVpp${plugin_name}Impl.class);
+ }
+
+$methods
+}
+""")
+
+method_template = Template(""" int $name($plugin_package.$dto_package.$request request) throws io.fd.vpp.jvpp.VppInvocationException;""")
+method_native_template = Template(
+ """ private static native int ${name}0($plugin_package.$dto_package.$request request);""")
+method_impl_template = Template(""" public final int $name($plugin_package.$dto_package.$request request) throws io.fd.vpp.jvpp.VppInvocationException {
+ java.util.Objects.requireNonNull(request,"Null request object");
+ connection.checkActive();
+ int result=${name}0(request);
+ if(result<0){
+ throw new io.fd.vpp.jvpp.VppInvocationException("${name}",result);
+ }
+ return result;
+ }
+""")
+
+no_arg_method_template = Template(""" int $name() throws io.fd.vpp.jvpp.VppInvocationException;""")
+no_arg_method_native_template = Template(""" private static native int ${name}0() throws io.fd.vpp.jvpp.VppInvocationException;""")
+no_arg_method_impl_template = Template(""" public final int $name() throws io.fd.vpp.jvpp.VppInvocationException {
+ connection.checkActive();
+ int result=${name}0();
+ if(result<0){
+ throw new io.fd.vpp.jvpp.VppInvocationException("${name}",result);
+ }
+ return result;
+ }
+""")
+
+
+def generate_jvpp(func_list, base_package, plugin_package, plugin_name_underscore, dto_package, inputfile):
+ """ Generates JVpp interface and JNI implementation """
+ print "Generating JVpp"
+ plugin_name = util.underscore_to_camelcase_upper(plugin_name_underscore)
+
+ methods = []
+ methods_impl = []
+ for func in func_list:
+
+ # Skip structures that are used only as notifications
+ if util.is_just_notification(func['name']) or util.is_ignored(func['name']):
+ continue
+
+ camel_case_name = util.underscore_to_camelcase(func['name'])
+ camel_case_name_upper = util.underscore_to_camelcase_upper(func['name'])
+ if util.is_reply(camel_case_name):
+ continue
+
+ if len(func['args']) == 0:
+ methods.append(no_arg_method_template.substitute(name=camel_case_name))
+ methods_impl.append(no_arg_method_native_template.substitute(name=camel_case_name))
+ methods_impl.append(no_arg_method_impl_template.substitute(name=camel_case_name))
+ else:
+ methods.append(method_template.substitute(name=camel_case_name,
+ request=camel_case_name_upper,
+ plugin_package=plugin_package,
+ dto_package=dto_package))
+ methods_impl.append(method_native_template.substitute(name=camel_case_name,
+ request=camel_case_name_upper,
+ plugin_package=plugin_package,
+ dto_package=dto_package))
+ methods_impl.append(method_impl_template.substitute(name=camel_case_name,
+ request=camel_case_name_upper,
+ plugin_package=plugin_package,
+ dto_package=dto_package))
+
+ jvpp_file = open("JVpp%s.java" % plugin_name, 'w')
+ jvpp_file.write(
+ jvpp_ifc_template.substitute(inputfile=inputfile,
+ methods="\n".join(methods),
+ base_package=base_package,
+ plugin_package=plugin_package,
+ plugin_name=plugin_name,
+ dto_package=dto_package))
+ jvpp_file.flush()
+ jvpp_file.close()
+
+ jvpp_file = open("JVpp%sImpl.java" % plugin_name, 'w')
+ jvpp_file.write(jvpp_impl_template.substitute(inputfile=inputfile,
+ methods="\n".join(methods_impl),
+ base_package=base_package,
+ plugin_package=plugin_package,
+ plugin_name=plugin_name,
+ plugin_name_underscore=plugin_name_underscore,
+ dto_package=dto_package))
+ jvpp_file.flush()
+ jvpp_file.close()