ONOS-7001 Support for direct counters
Currently Bmv2 returns UNKNOWN error when reading direct counters.
Change-Id: I834d7b5a8627181c6888500545e1bdbfe9af8dc1
diff --git a/core/api/src/main/java/org/onosproject/net/pi/runtime/PiDirectCounterCellId.java b/core/api/src/main/java/org/onosproject/net/pi/runtime/PiDirectCounterCellId.java
new file mode 100644
index 0000000..26ae363
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/pi/runtime/PiDirectCounterCellId.java
@@ -0,0 +1,96 @@
+/*
+ * 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.onosproject.net.pi.runtime;
+
+import com.google.common.annotations.Beta;
+import com.google.common.base.Objects;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkNotNull;
+import static java.lang.String.format;
+import static org.onosproject.net.pi.runtime.PiCounterType.DIRECT;
+
+/**
+ * Identifier of a direct counter cell of a protocol-independent pipeline.
+ */
+@Beta
+public final class PiDirectCounterCellId implements PiCounterCellId {
+
+ private final PiCounterId counterId;
+ private final PiTableEntry tableEntry;
+
+ private PiDirectCounterCellId(PiCounterId counterId, PiTableEntry tableEntry) {
+ this.counterId = counterId;
+ this.tableEntry = tableEntry;
+ }
+
+ /**
+ * Returns a direct counter cell identifier for the given counter identifier and table entry.
+ *
+ * @param counterId counter identifier
+ * @param tableEntry table entry
+ * @return direct counter cell identifier
+ */
+ public static PiDirectCounterCellId of(PiCounterId counterId, PiTableEntry tableEntry) {
+ checkNotNull(counterId);
+ checkNotNull(tableEntry);
+ checkArgument(counterId.type() == DIRECT, "Counter ID must be of type DIRECT");
+ return new PiDirectCounterCellId(counterId, tableEntry);
+ }
+
+ /**
+ * Returns the table entry associated with this cell identifier.
+ *
+ * @return cell table entry
+ */
+ public PiTableEntry tableEntry() {
+ return tableEntry;
+ }
+
+ @Override
+ public PiCounterId counterId() {
+ return counterId;
+ }
+
+ @Override
+ public PiCounterType type() {
+ return DIRECT;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+ if (!(o instanceof PiDirectCounterCellId)) {
+ return false;
+ }
+ PiDirectCounterCellId that = (PiDirectCounterCellId) o;
+ return Objects.equal(counterId, that.counterId) &&
+ Objects.equal(tableEntry, that.tableEntry);
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hashCode(counterId, tableEntry);
+ }
+
+ @Override
+ public String toString() {
+ return format("%s[{%s}]", counterId, tableEntry);
+ }
+}