1 files changed, 94 insertions, 0 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/VppStateHoneycombReaderFactory.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/VppStateHoneycombReaderFactory.java
new file mode 100644
index 000000000..f39502c09
--- /dev/null
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/VppStateHoneycombReaderFactory.java
@@ -0,0 +1,94 @@
+/*
+ * 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.translate.v3po;
+
+import com.google.inject.Inject;
+import com.google.inject.name.Named;
+import io.fd.honeycomb.translate.impl.read.GenericListReader;
+import io.fd.honeycomb.translate.impl.read.GenericReader;
+import io.fd.honeycomb.translate.read.ReaderFactory;
+import io.fd.honeycomb.translate.read.registry.ModifiableReaderRegistryBuilder;
+import io.fd.honeycomb.translate.util.read.KeepaliveReaderWrapper;
+import io.fd.honeycomb.translate.v3po.util.NamingContext;
+import io.fd.honeycomb.translate.v3po.util.ReadTimeoutException;
+import io.fd.honeycomb.translate.v3po.vppstate.BridgeDomainCustomizer;
+import io.fd.honeycomb.translate.v3po.vppstate.L2FibEntryCustomizer;
+import io.fd.honeycomb.translate.v3po.vppstate.VersionCustomizer;
+import org.opendaylight.controller.config.threadpool.ScheduledThreadPool;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VppState;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VppStateBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.l2.fib.attributes.L2FibTable;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.l2.fib.attributes.L2FibTableBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.l2.fib.attributes.l2.fib.table.L2FibEntry;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.state.BridgeDomains;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.state.BridgeDomainsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.state.Version;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.vpp.state.bridge.domains.BridgeDomain;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.openvpp.jvpp.future.FutureJVpp;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public final class VppStateHoneycombReaderFactory implements ReaderFactory, AutoCloseable {
+
+    private static final Logger LOG = LoggerFactory.getLogger(VppStateHoneycombReaderFactory.class);
+
+    private final FutureJVpp jVpp;
+    private final NamingContext ifcCtx;
+    private final NamingContext bdCtx;
+    private final ScheduledThreadPool keepaliveExecutor;
+
+    @Inject
+    public VppStateHoneycombReaderFactory(final FutureJVpp jVpp,
+                                          @Named("interface-context") final NamingContext ifcCtx,
+                                          @Named("bridge-domain-context") final NamingContext bdCtx,
+                                          final ScheduledThreadPool keepaliveExecutorDependency) {
+        this.jVpp = jVpp;
+        this.ifcCtx = ifcCtx;
+        this.bdCtx = bdCtx;
+        this.keepaliveExecutor = keepaliveExecutorDependency;
+    }
+
+    @Override
+    public void init(final ModifiableReaderRegistryBuilder registry) {
+        // VppState(Structural)
+        final InstanceIdentifier<VppState> vppStateId = InstanceIdentifier.create(VppState.class);
+        registry.addStructuralReader(vppStateId, VppStateBuilder.class);
+        //  Version
+        // Wrap with keepalive reader to detect connection issues
+        // TODO keepalive reader wrapper relies on VersionReaderCustomizer (to perform timeout on reads)
+        // Once readers+customizers are asynchronous, pull the timeout to keepalive executor so that keepalive wrapper
+        // is truly generic
+        registry.add(new KeepaliveReaderWrapper<>(
+                new GenericReader<>(vppStateId.child(Version.class), new VersionCustomizer(jVpp)),
+                keepaliveExecutor.getExecutor(), ReadTimeoutException.class, 30,
+                // FIXME-minimal trigger jvpp reinitialization here
+                () -> LOG.error("Keepalive failed. VPP is probably DOWN!")));
+        //  BridgeDomains(Structural)
+        final InstanceIdentifier<BridgeDomains> bridgeDomainsId = vppStateId.child(BridgeDomains.class);
+        registry.addStructuralReader(bridgeDomainsId, BridgeDomainsBuilder.class);
+        //   BridgeDomain
+        final InstanceIdentifier<BridgeDomain> bridgeDomainId = bridgeDomainsId.child(BridgeDomain.class);
+        registry.add(new GenericListReader<>(bridgeDomainId, new BridgeDomainCustomizer(jVpp, bdCtx)));
+        //    L2FibTable(Structural)
+        final InstanceIdentifier<L2FibTable> l2FibTableId = bridgeDomainId.child(L2FibTable.class);
+        registry.addStructuralReader(l2FibTableId, L2FibTableBuilder.class);
+        //     L2FibEntry
+        registry.add(new GenericListReader<>(l2FibTableId.child(L2FibEntry.class),
+                new L2FibEntryCustomizer(jVpp, bdCtx, ifcCtx)));
+    }
+}