[Emu] ONOS-3512 CLI for new resource subsystem
- "resources" command to print available resources on new resource service.
- "allocations" command to dump current allocations
- "test-allocate-resource" command to allocate a resource
Change-Id: I89e531c71ef288b8c06dcd355a3a819d667c8225
diff --git a/cli/src/main/java/org/onosproject/cli/net/AllocationsCommand.java b/cli/src/main/java/org/onosproject/cli/net/AllocationsCommand.java
new file mode 100644
index 0000000..353ab3a
--- /dev/null
+++ b/cli/src/main/java/org/onosproject/cli/net/AllocationsCommand.java
@@ -0,0 +1,141 @@
+/*
+ * 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.cli.net;
+
+import static org.onosproject.net.DeviceId.deviceId;
+
+import java.util.Collection;
+import java.util.stream.StreamSupport;
+
+import org.apache.karaf.shell.commands.Argument;
+import org.apache.karaf.shell.commands.Command;
+import org.apache.karaf.shell.commands.Option;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.net.Device;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.OchSignal;
+import org.onosproject.net.Port;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.device.DeviceService;
+import org.onosproject.net.newresource.ResourceAllocation;
+import org.onosproject.net.newresource.ResourcePath;
+import org.onosproject.net.newresource.ResourceService;
+
+import com.google.common.base.Strings;
+
+/**
+ * Lists allocated resources.
+ */
+@Command(scope = "onos", name = "allocations",
+ description = "Lists allocated resources")
+public class AllocationsCommand extends AbstractShellCommand {
+
+ // TODO add other resource types
+ @Option(name = "-l", aliases = "--lambda", description = "Lambda Resource",
+ required = false, multiValued = false)
+ private boolean lambda = true;
+
+ @Argument(index = 0, name = "deviceIdString", description = "Device ID",
+ required = false, multiValued = false)
+ String deviceIdStr = null;
+
+ @Argument(index = 1, name = "portNumberString", description = "PortNumber",
+ required = false, multiValued = false)
+ String portNumberStr = null;
+
+
+
+ private DeviceService deviceService;
+ private ResourceService resourceService;
+
+ @Override
+ protected void execute() {
+ deviceService = get(DeviceService.class);
+ resourceService = get(ResourceService.class);
+
+
+ if (deviceIdStr != null && portNumberStr != null) {
+ DeviceId deviceId = deviceId(deviceIdStr);
+ PortNumber portNumber = PortNumber.fromString(portNumberStr);
+
+ printAllocation(deviceId, portNumber, 0);
+ } else if (deviceIdStr != null) {
+ DeviceId deviceId = deviceId(deviceIdStr);
+
+ printAllocation(deviceId, 0);
+ } else {
+ printAllocation();
+ }
+
+ }
+
+ private void printAllocation() {
+ print("ROOT");
+ StreamSupport.stream(deviceService.getAvailableDevices().spliterator(), false)
+ .map(Device::id)
+ .forEach(did -> printAllocation(did, 1));
+ }
+
+ private void printAllocation(DeviceId did, int level) {
+ print("%s%s", Strings.repeat(" ", level), did);
+ StreamSupport.stream(deviceService.getPorts(did).spliterator(), false)
+ .map(Port::number)
+ .forEach(num -> printAllocation(did, num, level + 1));
+ }
+
+ private void printAllocation(DeviceId did, PortNumber num, int level) {
+ if (level == 0) {
+ // print DeviceId when Port was directly specified.
+ print("%s", did);
+ }
+ print("%s%s", Strings.repeat(" ", level), asVerboseString(num));
+
+ // TODO: Current design cannot deal with sub-resources
+ // (e.g., TX/RX under Port)
+
+ ResourcePath path = ResourcePath.discrete(did, num);
+ if (lambda) {
+ //print("Lambda resources:");
+ Collection<ResourceAllocation> allocations
+ = resourceService.getResourceAllocations(path, OchSignal.class);
+
+ for (ResourceAllocation a : allocations) {
+ print("%s%s allocated by %s", Strings.repeat(" ", level + 1),
+ a.resource().last(), asVerboseString(a.consumer()));
+ }
+ }
+ }
+
+ /**
+ * Add type name if the toString does not start with them.
+ *
+ * e.g., IntentId#toString result in "42"
+ * asVerboseString(id) will result in "IntentId:42"
+ *
+ * @param obj non-null Object to print.
+ * @return verbose String representation
+ */
+ private static String asVerboseString(Object obj) {
+ String name = obj.getClass().getSimpleName();
+ String toString = String.valueOf(obj);
+ if (toString.startsWith(name)) {
+ return toString;
+ } else {
+ return String.format("%s:%s", name, toString);
+ }
+ }
+
+}