[SEBA-144] Operational Status DHCP L2 Relay.
Cherry-picked from dhcpl2relay-1.6
Change-Id: I58aab083152793af36dfd34fa91cd78385fd2ed7
Signed-off-by: Marcos Aurelio Carrero <mcarrero@furukawalatam.com>
diff --git a/app/src/main/java/org/opencord/dhcpl2relay/impl/SimpleDhcpL2RelayCountersStore.java b/app/src/main/java/org/opencord/dhcpl2relay/impl/SimpleDhcpL2RelayCountersStore.java
new file mode 100644
index 0000000..eedbace
--- /dev/null
+++ b/app/src/main/java/org/opencord/dhcpl2relay/impl/SimpleDhcpL2RelayCountersStore.java
@@ -0,0 +1,122 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * 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 org.opencord.dhcpl2relay.impl;
+
+import com.google.common.collect.ImmutableMap;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.CoreService;
+import org.opencord.dhcpl2relay.DhcpL2RelayEvent;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Reference;
+import org.osgi.service.component.annotations.ReferenceCardinality;
+import org.slf4j.Logger;
+
+import java.util.Iterator;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.atomic.AtomicLong;
+
+import static org.slf4j.LoggerFactory.getLogger;
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * DHCP Relay Agent Counters Manager Component.
+ */
+@Component(immediate = true)
+public class SimpleDhcpL2RelayCountersStore implements DhcpL2RelayCountersStore {
+ private ApplicationId appId;
+ private final Logger log = getLogger(getClass());
+ private Map<DhcpL2RelayCountersIdentifier, AtomicLong> countersMap;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY)
+ protected CoreService coreService;
+
+ @Activate
+ public void activate() {
+ log.info("Activate Dhcp L2 Counters Manager");
+ //appId = coreService.getAppId(DhcpL2Relay.DHCP_L2RELAY_APP);
+ countersMap = new ConcurrentHashMap();
+ // Initialize counter values for the global counters
+ initCounters(DhcpL2RelayEvent.GLOBAL_COUNTER);
+ }
+
+ public ImmutableMap<DhcpL2RelayCountersIdentifier, AtomicLong> getCountersMap() {
+ return ImmutableMap.copyOf(countersMap);
+ }
+
+ /**
+ * Initialize the supported counters map for the given counter class.
+ * @param counterClass class of counters (global, per subscriber)
+ */
+ public void initCounters(String counterClass) {
+ checkNotNull(counterClass, "counter class can't be null");
+ for (DhcpL2RelayCounters counterType : DhcpL2RelayCounters.SUPPORTED_COUNTERS) {
+ countersMap.put(new DhcpL2RelayCountersIdentifier(counterClass, counterType), new AtomicLong(0));
+ }
+ }
+
+ /**
+ * Inserts the counter entry if it is not already in the set otherwise increment the existing counter entry.
+ * @param counterClass class of counters (global, per subscriber)
+ * @param counterType name of counter
+ */
+ public void incrementCounter(String counterClass, DhcpL2RelayCounters counterType) {
+ checkNotNull(counterClass, "counter class can't be null");
+ if (DhcpL2RelayCounters.SUPPORTED_COUNTERS.contains(counterType)) {
+ DhcpL2RelayCountersIdentifier counterIdentifier =
+ new DhcpL2RelayCountersIdentifier(counterClass, counterType);
+ countersMap.compute(counterIdentifier, (key, counterValue) ->
+ (counterValue != null) ? new AtomicLong(counterValue.incrementAndGet()) : new AtomicLong(1)
+ );
+ } else {
+ log.error("Failed to increment counter class {} of type {}", counterClass, counterType);
+ }
+ }
+
+ /**
+ * Reset the counters map for the given counter class.
+ * @param counterClass class of counters (global, per subscriber)
+ */
+ public void resetCounters(String counterClass) {
+ checkNotNull(counterClass, "counter class can't be null");
+ for (Iterator<DhcpL2RelayCounters> it = DhcpL2RelayCounters.SUPPORTED_COUNTERS.iterator(); it.hasNext();) {
+ DhcpL2RelayCounters counterType = it.next();
+ DhcpL2RelayCountersIdentifier counterIdentifier =
+ new DhcpL2RelayCountersIdentifier(counterClass, counterType);
+ countersMap.computeIfPresent(counterIdentifier, (key, counterValue) ->
+ new AtomicLong(0)
+ );
+ }
+ }
+
+ /**
+ * Inserts the counter entry if it is not already in the set otherwise update the existing counter entry.
+ * @param counterClass class of counters (global, per subscriber).
+ * @param counterType name of counter
+ * @param value conter value
+ */
+ public void setCounter(String counterClass, DhcpL2RelayCounters counterType, Long value) {
+ checkNotNull(counterClass, "counter class can't be null");
+ if (DhcpL2RelayCounters.SUPPORTED_COUNTERS.contains(counterType)) {
+ DhcpL2RelayCountersIdentifier counterIdentifier =
+ new DhcpL2RelayCountersIdentifier(counterClass, counterType);
+ countersMap.put(counterIdentifier, new AtomicLong(value));
+ } else {
+ log.error("Failed to increment counter class {} of type {}", counterClass, counterType);
+ }
+ }
+}