diff options
Diffstat (limited to 'vpp-common/minimal-distribution/src/main/java/io/fd/honeycomb/vpp/distro/JVppCoreProvider.groovy')
-rw-r--r-- | vpp-common/minimal-distribution/src/main/java/io/fd/honeycomb/vpp/distro/JVppCoreProvider.groovy | 54 |
1 files changed, 54 insertions, 0 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) + } + } +} |