ONOS- 2946 Adding ability to view packet processor statistics.
Change-Id: Ic55ec670b197b1ee08f2d11f97658fd614da1614
diff --git a/core/api/src/main/java/org/onosproject/net/packet/PacketProcessorEntry.java b/core/api/src/main/java/org/onosproject/net/packet/PacketProcessorEntry.java
new file mode 100644
index 0000000..40386fb
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/packet/PacketProcessorEntry.java
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.packet;
+
+/**
+ * Packet processor entry tracking the processor, its priority and
+ * time consumption.
+ */
+public interface PacketProcessorEntry {
+
+ /**
+ * Returns the packet processor.
+ *
+ * @return packet processor
+ */
+ PacketProcessor processor();
+
+ /**
+ * Returns the packet processor priority.
+ *
+ * @return processor priority
+ */
+ int priority();
+
+ /**
+ * Returns the number of invocations.
+ *
+ * @return number of invocations
+ */
+ long invocations();
+
+ /**
+ * Returns the total time, in nanoseconds, spent processing packets.
+ *
+ * @return total time in nanos
+ */
+ long totalNanos();
+
+ /**
+ * Returns the average time, in nanoseconds, spent processing packets.
+ *
+ * @return average time in nanos
+ */
+ long averageNanos();
+}
diff --git a/core/api/src/main/java/org/onosproject/net/packet/PacketService.java b/core/api/src/main/java/org/onosproject/net/packet/PacketService.java
index 98f4d8e..2e7a1b9 100644
--- a/core/api/src/main/java/org/onosproject/net/packet/PacketService.java
+++ b/core/api/src/main/java/org/onosproject/net/packet/PacketService.java
@@ -20,7 +20,6 @@
import org.onosproject.net.flow.TrafficSelector;
import java.util.List;
-import java.util.Map;
/**
* Service for intercepting data plane packets and for emitting synthetic
@@ -52,13 +51,12 @@
void removeProcessor(PacketProcessor processor);
/**
- * Returns priority bindings of all registered packet processors.
+ * Returns priority bindings of all registered packet processor entries.
*
- * @return list of existing packet processors
+ * @return list of existing packet processor entries
*/
@Beta
- // TODO: Consider returning list of PacketProcessorEntry with processor, priority and stats
- Map<Integer, PacketProcessor> getProcessors();
+ List<PacketProcessorEntry> getProcessors();
/**
* Requests that packets matching the given selector are punted from the