HC2VPP-395: Provide Interface statistics counters

Change-Id: If0f62b36b9d9dc6718ed62f81268ac0908f02297
Signed-off-by: Tibor Král <tibor.kral@pantheon.tech>

1 files changed, 69 insertions, 0 deletions

diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/cache/InterfaceCacheStatisticsDumpManagerImpl.java b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/cache/InterfaceCacheStatisticsDumpManagerImpl.java
new file mode 100644
index 000000000..e76613235
--- /dev/null
+++ b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/cache/InterfaceCacheStatisticsDumpManagerImpl.java
@@ -0,0 +1,69 @@
+/*
+ * 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 io.fd.vpp.jvpp.core.dto.VnetPerInterfaceCombinedCounters;
+import java.time.LocalDateTime;
+import java.util.HashMap;
+import javax.annotation.Nullable;
+
+public class InterfaceCacheStatisticsDumpManagerImpl implements InterfaceCacheStatisticsDumpManager {
+
+    private HashMap<Integer, InterfaceCacheStatisticsSample> statistics;
+
+    public InterfaceCacheStatisticsDumpManagerImpl() {
+        statistics = new HashMap<>();
+    }
+
+    @Nullable
+    @Override
+    public InterfaceCacheStatisticsSample getStatisticsData(final int ifcSwIndex) {
+        return statistics.getOrDefault(ifcSwIndex, null);
+    }
+
+    @Nullable
+    @Override
+    public void setStatisticsData(final VnetPerInterfaceCombinedCounters data, LocalDateTime captureTime,
+                                  final int ifcSwIndex) {
+        statistics.put(ifcSwIndex, new InterfaceCacheStatisticsSample(data, captureTime));
+    }
+
+    @Nullable
+    @Override
+    public int[] getEnabledInterfaces() {
+        return statistics.keySet().stream().mapToInt(i -> i).toArray();
+    }
+
+    @Nullable
+    @Override
+    public void disableInterface(final int ifcSwIndex) {
+        statistics.remove(ifcSwIndex);
+    }
+
+    @Nullable
+    @Override
+    public void disableAll() {
+        statistics.clear();
+    }
+
+    @Nullable
+    @Override
+    public void enableInterface(final int index) {
+        statistics.put(index,
+                new InterfaceCacheStatisticsSample(new VnetPerInterfaceCombinedCounters(), LocalDateTime.now()));
+    }
+}