HC2VPP-7 - Split vpp state/Cli RPC to separate module

Introduces VppManageModule containing
- Vpp state attributes
- CLI RPC support
- Keep-alive

Change-Id: I8907e57132cc9e57840aa3b9607fa131a77f767d
Signed-off-by: Jan Srnicek <jsrnicek@cisco.com>

1 files changed, 82 insertions, 0 deletions

diff --git a/vpp-management/impl/src/main/java/io/fd/hc2vpp/management/state/VersionCustomizer.java b/vpp-management/impl/src/main/java/io/fd/hc2vpp/management/state/VersionCustomizer.java
new file mode 100644
index 000000000..bfbabcb0c
--- /dev/null
+++ b/vpp-management/impl/src/main/java/io/fd/hc2vpp/management/state/VersionCustomizer.java
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2017 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.management.state;
+
+import com.google.common.primitives.UnsignedInts;
+import io.fd.honeycomb.translate.read.ReadContext;
+import io.fd.honeycomb.translate.read.ReadFailedException;
+import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
+import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
+import io.fd.hc2vpp.common.translate.util.FutureJVppCustomizer;
+import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
+import io.fd.vpp.jvpp.core.dto.ShowVersion;
+import io.fd.vpp.jvpp.core.dto.ShowVersionReply;
+import io.fd.vpp.jvpp.core.future.FutureJVppCore;
+import io.fd.vpp.jvpp.dto.ControlPing;
+import io.fd.vpp.jvpp.dto.ControlPingReply;
+import io.fd.vpp.jvpp.dto.JVppReply;
+import java.util.concurrent.CompletionStage;
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.management.rev170315.VppStateBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.management.rev170315.vpp.state.Version;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.management.rev170315.vpp.state.VersionBuilder;
+import org.opendaylight.yangtools.concepts.Builder;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+public final class VersionCustomizer
+        extends FutureJVppCustomizer
+        implements ReaderCustomizer<Version, VersionBuilder>, ByteDataTranslator, JvppReplyConsumer {
+
+    public VersionCustomizer(@Nonnull final FutureJVppCore futureJVppCore) {
+        super(futureJVppCore);
+    }
+
+    @Override
+    public void merge(@Nonnull final Builder<? extends DataObject> parentBuilder, @Nonnull final Version readValue) {
+        ((VppStateBuilder) parentBuilder).setVersion(readValue);
+    }
+
+    @Nonnull
+    @Override
+    public VersionBuilder getBuilder(@Nonnull InstanceIdentifier<Version> id) {
+        return new VersionBuilder();
+    }
+
+    @Override
+    public void readCurrentAttributes(@Nonnull final InstanceIdentifier<Version> id, @Nonnull final VersionBuilder builder,
+                                      @Nonnull final ReadContext context) throws ReadFailedException {
+
+        // Execute with timeout
+        final CompletionStage<ShowVersionReply> showVersionFuture = getFutureJVpp().showVersion(new ShowVersion());
+        final ShowVersionReply reply = getReplyForRead(showVersionFuture.toCompletableFuture(), id);
+
+        builder.setBranch(toString(reply.version));
+        builder.setName(toString(reply.program));
+        builder.setBuildDate(toString(reply.buildDate));
+        builder.setBuildDirectory(toString(reply.buildDirectory));
+        builder.setPid(getPid(id));
+    }
+
+    private Long getPid(@Nonnull final InstanceIdentifier<Version> id) throws ReadFailedException {
+        final CompletionStage<JVppReply<ControlPing>> request = getFutureJVpp().send(new ControlPing());
+        final ControlPingReply reply = (ControlPingReply)getReplyForRead(request.toCompletableFuture(), id);
+        return UnsignedInts.toLong(reply.vpePid);
+    }
+
+
+}