Adding ability to add simulated hosts to the null provider.
Change-Id: Iaf96caf904e2e8a724064be39211087bf681dad0
diff --git a/providers/null/src/main/java/org/onosproject/provider/nil/cli/CreateNullHost.java b/providers/null/src/main/java/org/onosproject/provider/nil/cli/CreateNullHost.java
new file mode 100644
index 0000000..245b110
--- /dev/null
+++ b/providers/null/src/main/java/org/onosproject/provider/nil/cli/CreateNullHost.java
@@ -0,0 +1,102 @@
+/*
+ * Copyright 2016 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.provider.nil.cli;
+
+import org.apache.karaf.shell.commands.Argument;
+import org.apache.karaf.shell.commands.Command;
+import org.onlab.packet.IpAddress;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.HostId;
+import org.onosproject.net.HostLocation;
+import org.onosproject.net.config.NetworkConfigService;
+import org.onosproject.net.config.basics.BasicHostConfig;
+import org.onosproject.net.edge.EdgePortService;
+import org.onosproject.net.host.HostService;
+import org.onosproject.provider.nil.CustomTopologySimulator;
+import org.onosproject.provider.nil.NullProviders;
+import org.onosproject.provider.nil.TopologySimulator;
+
+import java.util.Iterator;
+
+/**
+ * Adds a simulated end-station host to the custom topology simulation.
+ */
+@Command(scope = "onos", name = "null-create-host",
+ description = "Adds a simulated end-station host to the custom topology simulation")
+public class CreateNullHost extends AbstractShellCommand {
+
+ @Argument(index = 0, name = "deviceName", description = "Name of device where host is attached",
+ required = true, multiValued = false)
+ String deviceName = null;
+
+ @Argument(index = 1, name = "hostId", description = "Host identifier",
+ required = true, multiValued = false)
+ String hostId = null;
+
+ @Argument(index = 2, name = "hostIp", description = "Host IP address",
+ required = true, multiValued = false)
+ String hostIp = null;
+
+ @Argument(index = 3, name = "latitude", description = "Geo latitude",
+ required = true, multiValued = false)
+ Double latitude = null;
+
+ @Argument(index = 4, name = "longitude", description = "Geo longitude",
+ required = true, multiValued = false)
+ Double longitude = null;
+
+ @Override
+ protected void execute() {
+ NullProviders service = get(NullProviders.class);
+ NetworkConfigService cfgService = get(NetworkConfigService.class);
+
+ TopologySimulator simulator = service.currentSimulator();
+ if (!(simulator instanceof CustomTopologySimulator)) {
+ error("Custom topology simulator is not active.");
+ return;
+ }
+
+ CustomTopologySimulator sim = (CustomTopologySimulator) simulator;
+ DeviceId deviceId = sim.deviceId(deviceName);
+ HostLocation location = findAvailablePort(deviceId);
+ HostId id = HostId.hostId(hostId);
+ BasicHostConfig cfg = cfgService.addConfig(id, BasicHostConfig.class);
+ cfg.latitude(latitude);
+ cfg.longitude(longitude);
+ cfg.apply();
+
+ sim.createHost(id, location, IpAddress.valueOf(hostIp));
+ }
+
+ // Finds an available connect point among edge ports of the specified device
+ private HostLocation findAvailablePort(DeviceId deviceId) {
+ EdgePortService eps = get(EdgePortService.class);
+ HostService hs = get(HostService.class);
+ Iterator<ConnectPoint> points = eps.getEdgePoints(deviceId).iterator();
+
+ while (points.hasNext()) {
+ ConnectPoint point = points.next();
+ if (hs.getConnectedHosts(point).isEmpty()) {
+ return new HostLocation(point, System.currentTimeMillis());
+ }
+ }
+ return null;
+ }
+
+}