From 0c5820220a4e7ebc3245259085d00551d2687e32 Mon Sep 17 00:00:00 2001
From: Maros Marsalek <mmarsale@cisco.com>
Date: Wed, 5 Oct 2016 15:03:33 +0200
Subject: HONEYCOMB-229 Introduce NAT to HC

Reflects SNAT from VPP:
- 1:1 Static IPv4 mapping
- interface in/out NAT feature management

Bonus:
- Support presence containers in infra

Change-Id: Ieb38526f83edbae5e605d5c7e39bb22bbafc50e5
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>
---
 .../io/fd/honeycomb/nat/jvpp/JVppSnatProvider.java | 60 ++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100755 nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/jvpp/JVppSnatProvider.java

(limited to 'nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/jvpp/JVppSnatProvider.java')

diff --git a/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/jvpp/JVppSnatProvider.java b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/jvpp/JVppSnatProvider.java
new file mode 100755
index 000000000..b83665679
--- /dev/null
+++ b/nat/nat2vpp/src/main/java/io/fd/honeycomb/nat/jvpp/JVppSnatProvider.java
@@ -0,0 +1,60 @@
+/*
+ * 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.honeycomb.nat.jvpp;
+
+import com.google.inject.Inject;
+import io.fd.honeycomb.infra.distro.ProviderTrait;
+import io.fd.vpp.jvpp.JVppRegistry;
+import io.fd.vpp.jvpp.snat.JVppSnatImpl;
+import io.fd.vpp.jvpp.snat.future.FutureJVppSnatFacade;
+import java.io.IOException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Provides future API for jvpp-nsh plugin. Must be a singleton due to shutdown hook usage.
+ * Registers shutdown hook to free plugin's resources on shutdown.
+ */
+public final class JVppSnatProvider extends ProviderTrait<FutureJVppSnatFacade> {
+
+    private static final Logger LOG = LoggerFactory.getLogger(JVppSnatProvider.class);
+
+    @Inject
+    private JVppRegistry registry;
+
+    @Override
+    protected FutureJVppSnatFacade create() {
+        try {
+            final JVppSnatImpl jvppSnat = new JVppSnatImpl();
+            // Free jvpp-nsh plugin's resources on shutdown
+            Runtime.getRuntime().addShutdownHook(new Thread() {
+                @Override
+                public void run() {
+                    LOG.info("Unloading jvpp-snat plugin");
+                    jvppSnat.close();
+                    LOG.info("Successfully unloaded jvpp-snat plugin");
+                }
+            });
+
+            LOG.info("Successfully loaded jvpp-snat plugin");
+            return new FutureJVppSnatFacade(registry, jvppSnat);
+        } catch (IOException e) {
+            throw new IllegalStateException("Unable to open VPP management connection", e);
+        }
+    }
+}
+
-- 
cgit 1.2.3-korg