1 files changed, 73 insertions, 0 deletions
diff --git a/acl/acl-impl/src/main/java/io/fd/hc2vpp/acl/JVppAclProvider.java b/acl/acl-impl/src/main/java/io/fd/hc2vpp/acl/JVppAclProvider.java
new file mode 100644
index 000000000..b3caa0e9c
--- /dev/null
+++ b/acl/acl-impl/src/main/java/io/fd/hc2vpp/acl/JVppAclProvider.java
@@ -0,0 +1,73 @@
+/*
+ * 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.hc2vpp.acl;
+
+import com.google.inject.Inject;
+import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
+import io.fd.honeycomb.infra.distro.ProviderTrait;
+import io.fd.vpp.jvpp.JVppRegistry;
+import io.fd.vpp.jvpp.VppBaseCallException;
+import io.fd.vpp.jvpp.acl.JVppAclImpl;
+import io.fd.vpp.jvpp.acl.dto.AclPluginGetVersion;
+import io.fd.vpp.jvpp.acl.dto.AclPluginGetVersionReply;
+import io.fd.vpp.jvpp.acl.future.FutureJVppAclFacade;
+import java.io.IOException;
+import java.util.concurrent.TimeoutException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+class JVppAclProvider extends ProviderTrait<FutureJVppAclFacade> implements JvppReplyConsumer {
+
+    private static final Logger LOG = LoggerFactory.getLogger(JVppAclProvider.class);
+
+    @Inject
+    private JVppRegistry registry;
+
+    private static JVppAclImpl initAclApi() {
+        final JVppAclImpl jvppAcl = new JVppAclImpl();
+        // Free jvpp-acl plugin's resources on shutdown
+        Runtime.getRuntime().addShutdownHook(new Thread() {
+            @Override
+            public void run() {
+                LOG.info("Unloading jvpp-acl plugin");
+                jvppAcl.close();
+                LOG.info("Successfully unloaded jvpp-acl plugin");
+            }
+        });
+        return jvppAcl;
+    }
+
+    @Override
+    protected FutureJVppAclFacade create() {
+        try {
+            return reportVersionAndGet(initAclApi());
+        } catch (IOException e) {
+            throw new IllegalStateException("Unable to open VPP management connection", e);
+        } catch (TimeoutException | VppBaseCallException e) {
+            throw new IllegalStateException("Unable to load ACL plugin version", e);
+        }
+    }
+
+    private FutureJVppAclFacade reportVersionAndGet(final JVppAclImpl jvppAcl)
+            throws IOException, TimeoutException, VppBaseCallException {
+        final FutureJVppAclFacade futureFacade = new FutureJVppAclFacade(registry, jvppAcl);
+        final AclPluginGetVersionReply pluginVersion =
+                getReply(futureFacade.aclPluginGetVersion(new AclPluginGetVersion()).toCompletableFuture());
+        LOG.info("Acl plugin successfully loaded[version {}.{}]", pluginVersion.major, pluginVersion.minor);
+        return futureFacade;
+    }
+}