HONEYCOMB-117: add support for jvpp plugins

Change-Id: I9f1dd5562b13a37392ce92b170a466c48d61bcc5
Signed-off-by: Marek Gradzki <mgradzki@cisco.com>

3 files changed, 66 insertions, 13 deletions

diff --git a/vpp-common/minimal-distribution/src/main/java/io/fd/honeycomb/vpp/distro/JVppCoreProvider.groovy b/vpp-common/minimal-distribution/src/main/java/io/fd/honeycomb/vpp/distro/JVppCoreProvider.groovy
new file mode 100644
index 000000000..1d4fd1af5
--- /dev/null
+++ b/vpp-common/minimal-distribution/src/main/java/io/fd/honeycomb/vpp/distro/JVppCoreProvider.groovy
@@ -0,0 +1,54 @@
+/*
+ * 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.vpp.distro
+
+import com.google.inject.Inject
+import groovy.transform.ToString
+import groovy.util.logging.Slf4j
+import io.fd.honeycomb.infra.distro.ProviderTrait
+import org.openvpp.jvpp.JVppRegistry
+import org.openvpp.jvpp.core.JVppCoreImpl
+import org.openvpp.jvpp.core.future.FutureJVppCore
+import org.openvpp.jvpp.core.future.FutureJVppCoreFacade
+
+/**
+ * Provides future API for jvpp-core plugin. Must be a singleton due to shutdown hook usage.
+ * Registers shutdown hook to free plugin's resources on shutdown.
+ */
+@Slf4j
+@ToString
+class JVppCoreProvider extends ProviderTrait<FutureJVppCore> {
+
+    @Inject
+    JVppRegistry registry
+
+    def create() {
+        try {
+            def jVpp = new JVppCoreImpl()
+            // Free jvpp-core plugin's resources on shutdown
+            Runtime.addShutdownHook {
+                log.info("Unloading jvpp-core plugin")
+                jVpp.close()
+                log.info("Successfully unloaded jvpp-core plugin")
+            }
+            log.info("Successfully loaded jvpp-core plugin")
+            new FutureJVppCoreFacade(registry, jVpp)
+        } catch (IOException e) {
+            throw new IllegalStateException("Unable to open VPP management connection", e)
+        }
+    }
+}
diff --git a/vpp-common/minimal-distribution/src/main/java/io/fd/honeycomb/vpp/distro/JVppProvider.groovy b/vpp-common/minimal-distribution/src/main/java/io/fd/honeycomb/vpp/distro/JVppRegistryProvider.groovy
index 51bf5be9e..125f7660b 100644
--- a/vpp-common/minimal-distribution/src/main/java/io/fd/honeycomb/vpp/distro/JVppProvider.groovy
+++ b/vpp-common/minimal-distribution/src/main/java/io/fd/honeycomb/vpp/distro/JVppRegistryProvider.groovy
@@ -20,37 +20,34 @@ import com.google.inject.Inject
 import groovy.transform.ToString
 import groovy.util.logging.Slf4j
 import io.fd.honeycomb.infra.distro.ProviderTrait
-import org.openvpp.jvpp.JVppImpl
-import org.openvpp.jvpp.VppJNIConnection
-import org.openvpp.jvpp.future.FutureJVpp
-import org.openvpp.jvpp.future.FutureJVppFacade
+import org.openvpp.jvpp.JVppRegistry
+import org.openvpp.jvpp.JVppRegistryImpl
 
 /**
- * This must be a singleton due to shutdown hook usage.
+ * Provides JVppRegistry. Must be a singleton due to shutdown hook usage.
+ * Registers shutdown hook to disconnect from VPP.
  */
 @Slf4j
 @ToString
-class JVppProvider extends ProviderTrait<FutureJVpp> {
+class JVppRegistryProvider extends ProviderTrait<JVppRegistry> {
 
     @Inject
     VppConfigAttributes config
 
     def create() {
         try {
-            def connection = new VppJNIConnection(config.jvppConnectionName)
-            def jVpp = new JVppImpl(connection)
+            def registry = new JVppRegistryImpl(config.jvppConnectionName);
 
             // Closing JVpp connection with shutdown hook to erase the connection from VPP so HC will be able
             // to connect next time. If JVM is force closed, this will not be executed and VPP connection
             // with name from config will stay open and prevent next startup of HC to success
             Runtime.addShutdownHook {
                 log.info("Disconnecting from VPP")
-                jVpp.close()
-                connection.close()
+                registry.close()
                 log.info("Successfully disconnected from VPP as {}", config.jvppConnectionName)
             }
             log.info("JVpp connection opened successfully as: {}", config.jvppConnectionName)
-            new FutureJVppFacade(jVpp)
+            registry
         } catch (IOException e) {
             throw new IllegalStateException("Unable to open VPP management connection", e)
         }
diff --git a/vpp-common/minimal-distribution/src/main/java/io/fd/honeycomb/vpp/distro/VppCommonModule.groovy b/vpp-common/minimal-distribution/src/main/java/io/fd/honeycomb/vpp/distro/VppCommonModule.groovy
index 68261c34d..cd5816f11 100644
--- a/vpp-common/minimal-distribution/src/main/java/io/fd/honeycomb/vpp/distro/VppCommonModule.groovy
+++ b/vpp-common/minimal-distribution/src/main/java/io/fd/honeycomb/vpp/distro/VppCommonModule.groovy
@@ -22,7 +22,8 @@ import com.google.inject.multibindings.Multibinder
 import groovy.util.logging.Slf4j
 import io.fd.honeycomb.translate.read.ReaderFactory
 import net.jmob.guice.conf.core.ConfigurationModule
-import org.openvpp.jvpp.future.FutureJVpp
+import org.openvpp.jvpp.JVppRegistry
+import org.openvpp.jvpp.core.future.FutureJVppCore
 
 @Slf4j
 public final class VppCommonModule extends AbstractModule {
@@ -32,7 +33,8 @@ public final class VppCommonModule extends AbstractModule {
         // Inject non-dependency configuration
         requestInjection(VppConfigAttributes)
 
-        bind(FutureJVpp).toProvider(JVppProvider).in(Singleton)
+        bind(JVppRegistry).toProvider(JVppRegistryProvider).in(Singleton)
+        bind(FutureJVppCore).toProvider(JVppCoreProvider).in(Singleton)
 
         // Naming contexts reader exposing context storage over REST/HONEYCOMB_NETCONF
         Multibinder.newSetBinder(binder(), ReaderFactory.class).with {