diff options
Diffstat (limited to 'nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/jvpp/JVppNatProvider.java')
-rwxr-xr-x | nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/jvpp/JVppNatProvider.java | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/jvpp/JVppNatProvider.java b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/jvpp/JVppNatProvider.java new file mode 100755 index 000000000..97c5ebb3e --- /dev/null +++ b/nat/nat2vpp/src/main/java/io/fd/hc2vpp/nat/jvpp/JVppNatProvider.java @@ -0,0 +1,57 @@ +/* + * 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.nat.jvpp; + +import com.google.inject.Inject; +import io.fd.honeycomb.binding.init.ProviderTrait; +import io.fd.honeycomb.data.init.ShutdownHandler; +import io.fd.vpp.jvpp.JVppRegistry; +import io.fd.vpp.jvpp.nat.JVppNatImpl; +import io.fd.vpp.jvpp.nat.future.FutureJVppNatFacade; +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 JVppNatProvider extends ProviderTrait<FutureJVppNatFacade> { + + private static final Logger LOG = LoggerFactory.getLogger(JVppNatProvider.class); + + @Inject + private JVppRegistry registry; + + @Inject + private ShutdownHandler shutdownHandler; + + @Override + protected FutureJVppNatFacade create() { + try { + final JVppNatImpl jvppNat = new JVppNatImpl(); + // Free jvpp-nsh plugin's resources on shutdown + shutdownHandler.register("jvpp-nat", jvppNat); + + LOG.info("Successfully loaded jvpp-nat plugin"); + return new FutureJVppNatFacade(registry, jvppNat); + } catch (IOException e) { + throw new IllegalStateException("Unable to open VPP management connection", e); + } + } +} + |