Enable Interface Statistics in V3PO

Change-Id: Iffde84f2cd85e343c3c3a5943910f7c195c8d11d
Signed-off-by: Tibor Král <tibor.kral@pantheon.tech>

1 files changed, 49 insertions, 0 deletions

diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/cache/JVppStatsProvider.java b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/cache/JVppStatsProvider.java
new file mode 100644
index 000000000..2ffc10419
--- /dev/null
+++ b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/cache/JVppStatsProvider.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2019 PANTHEON.tech.
+ *
+ * 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.v3po.interfacesstate.cache;
+
+import com.google.inject.Inject;
+import io.fd.honeycomb.binding.init.ProviderTrait;
+import io.fd.honeycomb.data.init.ShutdownHandler;
+import io.fd.jvpp.JVppRegistry;
+import io.fd.jvpp.stats.JVppStatsImpl;
+import io.fd.jvpp.stats.future.FutureJVppStatsFacade;
+import java.io.IOException;
+
+public class JVppStatsProvider extends ProviderTrait<FutureJVppStatsFacade> {
+
+    @Inject
+    private JVppRegistry registry;
+
+    @Inject
+    private ShutdownHandler shutdownHandler;
+
+    private static JVppStatsImpl initStatsApi(final ShutdownHandler shutdownHandler) {
+        final JVppStatsImpl jvppStats = new JVppStatsImpl();
+        shutdownHandler.register("jvpp-stats", jvppStats);
+        return jvppStats;
+    }
+
+    @Override
+    protected FutureJVppStatsFacade create() {
+        try {
+            return new FutureJVppStatsFacade(registry, initStatsApi(shutdownHandler));
+        } catch (IOException e) {
+            throw new IllegalStateException("Unable to open VPP management connection", e);
+        }
+    }
+}