From e83f0e1d6451c96ef9850b4a8b058c4b5c307617 Mon Sep 17 00:00:00 2001 From: Srihari Raghavan Date: Thu, 27 Oct 2016 15:23:36 +0530 Subject: HONEYCOMB-257 - Honeycomb support for in-band OAM (iOAM) path tracing - Add iOAM module to handle configuration for the iOAM trace VPP plugin - Add iOAM module test to verify add/delete configurations - Reader/Initializers for future, dependent on https://gerrit.fd.io/r/3387 Change-Id: I557604a955771c139165aed7cd9e5716abbac3d1 Signed-off-by: Srihari Raghavan --- .../vppioam/impl/util/JVppIoamProvider.java | 62 ++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100755 ioam/impl/src/main/java/io/fd/honeycomb/vppioam/impl/util/JVppIoamProvider.java (limited to 'ioam/impl/src/main/java/io/fd/honeycomb/vppioam/impl/util/JVppIoamProvider.java') diff --git a/ioam/impl/src/main/java/io/fd/honeycomb/vppioam/impl/util/JVppIoamProvider.java b/ioam/impl/src/main/java/io/fd/honeycomb/vppioam/impl/util/JVppIoamProvider.java new file mode 100755 index 000000000..d95266457 --- /dev/null +++ b/ioam/impl/src/main/java/io/fd/honeycomb/vppioam/impl/util/JVppIoamProvider.java @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2016 Cisco and 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.vppioam.impl.util; + +import com.google.inject.Inject; +import com.google.inject.Provider; +import io.fd.honeycomb.infra.distro.ProviderTrait; +import java.io.IOException; +import io.fd.vpp.jvpp.JVppRegistry; +import io.fd.vpp.jvpp.ioamtrace.future.FutureJVppIoamtrace; +import io.fd.vpp.jvpp.ioamtrace.future.FutureJVppIoamtraceFacade; +import io.fd.vpp.jvpp.ioamtrace.JVppIoamtraceImpl; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Provides future API for jvpp-ioam plugin. Must be a singleton due to shutdown hook usage. + * Registers shutdown hook to free plugin's resources on shutdown. + */ +public final class JVppIoamProvider extends ProviderTrait { + + private static final Logger LOG = LoggerFactory.getLogger(JVppIoamProvider.class); + + @Inject + private JVppRegistry registry; + + @Override + protected FutureJVppIoamtraceFacade create() { + try { + final JVppIoamtraceImpl jVppIoamTr = new JVppIoamtraceImpl(); + // Free jvpp-ioam plugin's resources on shutdown + Runtime.getRuntime().addShutdownHook(new Thread() { + @Override + public void run() { + LOG.info("Unloading jvpp-ioam plugin"); + jVppIoamTr.close(); + LOG.info("Successfully unloaded jvpp-ioam plugin"); + } + }); + + LOG.debug("Successfully loaded jvpp-ioam plugin"); + return new FutureJVppIoamtraceFacade(registry, jVppIoamTr); + } catch (IOException e) { + throw new IllegalStateException("Unable to open VPP management connection", e); + } + } +} + -- cgit 1.2.3-korg