[ONOS-7704] device memory/cpu stats for pica8 switch using Switch_Inventory DB
Change-Id: I1956d06ab373119da59561252f5b35561f8f5619
diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/DeviceCpuStats.java b/core/api/src/main/java/org/onosproject/net/behaviour/DeviceCpuStats.java
new file mode 100644
index 0000000..ccc1fc1
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/DeviceCpuStats.java
@@ -0,0 +1,85 @@
+/*
+ * Copyright 2016-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.behaviour;
+
+import com.google.common.base.MoreObjects;
+
+import java.util.Objects;
+
+/**
+ * A representation of cpu stats of device.
+ */
+public class DeviceCpuStats {
+ private float used;
+
+ /**
+ * Instantiates DeviceCpuStats object with default value.
+ */
+ public DeviceCpuStats() {
+ used = 0.0f;
+ }
+
+ /**
+ * Creates DeviceCpuStats object with given value.
+ *
+ * @param used cpu usage of device
+ */
+ public DeviceCpuStats(float used) {
+ this.used = used;
+ }
+
+ /**
+ * Get cpu usage of device.
+ *
+ * @return usedCpu, cpu usage stats of device
+ */
+ public float getUsed() {
+ return used;
+ }
+
+ /**
+ * Set cpu usage of device.
+ *
+ * @param used cpu usage of device
+ */
+ public void setUsed(float used) {
+ this.used = used;
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(getClass())
+ .add("used", used)
+ .toString();
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+ if (o == null || getClass() != o.getClass()) {
+ return false;
+ }
+ DeviceCpuStats that = (DeviceCpuStats) o;
+ return Float.compare(that.used, used) == 0;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(used);
+ }
+}
diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/DeviceMemoryStats.java b/core/api/src/main/java/org/onosproject/net/behaviour/DeviceMemoryStats.java
new file mode 100644
index 0000000..e90d9e8
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/DeviceMemoryStats.java
@@ -0,0 +1,132 @@
+/*
+ * Copyright 2016-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.behaviour;
+
+import com.google.common.base.MoreObjects;
+
+import java.util.Objects;
+
+/**
+ * A representation of memory stats of device.
+ */
+
+public class DeviceMemoryStats {
+ private long free = 0; // in Bytes
+ private long used = 0;
+ private long total = 0;
+
+ /**
+ * Instantiates DeviceMemoryStats object.
+ */
+ public DeviceMemoryStats() {
+ }
+
+ /**
+ * Creates DeviceMemoryStats object with given data.
+ *
+ * @param free free memory
+ * @param used used memory
+ * @param total total memory
+ */
+ public DeviceMemoryStats(long free, long used, long total) {
+ this.free = free;
+ this.used = used;
+ this.total = total;
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(getClass())
+ .add("free", free)
+ .add("used", used)
+ .add("total", total)
+ .toString();
+ }
+
+ /**
+ * Get total memory of device.
+ *
+ * @return totalMmeory, total memory
+ */
+ public long getTotal() {
+ return total;
+ }
+
+ /**
+ * Get used memory of device.
+ *
+ * @return usedMemory, used memory
+ */
+ public long getUsed() {
+ return used;
+ }
+
+ /**
+ * Get free memory of device.
+ *
+ * @return freeMemory, free memory
+ */
+ public long getFree() {
+ return free;
+ }
+
+ /**
+ * Set free memory of device.
+ *
+ * @param free free memory stats of device
+ */
+ public void setFree(long free) {
+ this.free = free;
+ }
+
+ /**
+ * Set used memory of device.
+ *
+ * @param used used memory stats of device
+ */
+ public void setUsed(long used) {
+ this.used = used;
+ }
+
+ /**
+ * Set total memory of device.
+ *
+ * @param total total memory stats of device
+ */
+ public void setTotal(long total) {
+ this.total = total;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+ if (o == null || getClass() != o.getClass()) {
+ return false;
+ }
+ DeviceMemoryStats that = (DeviceMemoryStats) o;
+ return free == that.free &&
+ used == that.used &&
+ total == that.total;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(free, used, total);
+ }
+}
+
diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/DeviceSystemStatisticsQuery.java b/core/api/src/main/java/org/onosproject/net/behaviour/DeviceSystemStatisticsQuery.java
new file mode 100644
index 0000000..ba34872
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/DeviceSystemStatisticsQuery.java
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2016-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.behaviour;
+
+import org.onosproject.net.driver.HandlerBehaviour;
+
+import java.util.Optional;
+
+/**
+ * A HandlerBehaviour to get System Stats for the Device.
+ */
+public interface DeviceSystemStatisticsQuery extends HandlerBehaviour {
+ /**
+ * Get System stats available for the device.
+ * @return success or failure
+ */
+
+ Optional<DeviceSystemStats> getDeviceSystemStats();
+}
diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/DeviceSystemStats.java b/core/api/src/main/java/org/onosproject/net/behaviour/DeviceSystemStats.java
new file mode 100644
index 0000000..ccddd85
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/DeviceSystemStats.java
@@ -0,0 +1,86 @@
+/*
+ * Copyright 2016-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.behaviour;
+
+import com.google.common.base.MoreObjects;
+
+import java.util.Objects;
+
+/**
+ * A representation of system stats of device.
+ */
+public class DeviceSystemStats {
+
+ private final DeviceMemoryStats memory;
+ private final DeviceCpuStats cpu;
+
+ /**
+ * Creates deviceSystemStats object.
+ *
+ * @param memoryStats memory statisics of the device
+ * @param cpuStats cpu statistics of the device
+ */
+ public DeviceSystemStats(DeviceMemoryStats memoryStats, DeviceCpuStats cpuStats) {
+ this.memory = memoryStats;
+ this.cpu = cpuStats;
+ }
+
+ /**
+ * Get memory usage statistics.
+ *
+ * @return deviceMemoryStats, device memory usage stats in KB
+ */
+ public DeviceMemoryStats getMemory() {
+ return this.memory;
+ }
+
+ /**
+ * Get cpu usage statistics.
+ *
+ * @return deviceCpuStats, device cpu usage stats
+ */
+ public DeviceCpuStats getCpu() {
+ return this.cpu;
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(getClass())
+ .add("memory", memory)
+ .add("cpu", cpu)
+ .toString();
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+ if (o == null || getClass() != o.getClass()) {
+ return false;
+ }
+ DeviceSystemStats that = (DeviceSystemStats) o;
+ return Objects.equals(memory, that.memory) &&
+ Objects.equals(cpu, that.cpu);
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(memory, cpu);
+ }
+}
+
+