Host list command added to CLI
Change-Id: I52d11d3b1d56650e92357b6cb2c67007be742114
diff --git a/cli/src/main/java/org/onlab/onos/cli/net/HostsListCommand.java b/cli/src/main/java/org/onlab/onos/cli/net/HostsListCommand.java
new file mode 100644
index 0000000..47aa688
--- /dev/null
+++ b/cli/src/main/java/org/onlab/onos/cli/net/HostsListCommand.java
@@ -0,0 +1,65 @@
+package org.onlab.onos.cli.net;
+
+import static com.google.common.collect.Lists.newArrayList;
+
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+
+import org.apache.karaf.shell.commands.Command;
+import org.onlab.onos.cli.AbstractShellCommand;
+import org.onlab.onos.net.Host;
+import org.onlab.onos.net.host.HostService;
+
+/**
+ * Lists all currently-known hosts.
+ */
+@Command(scope = "onos", name = "hosts",
+ description = "Lists all currently-known hosts.")
+public class HostsListCommand extends AbstractShellCommand {
+
+ private static final String FMT =
+ "id=%s, mac=%s, location=%s/%s, vlan=%s, ip(s)=%s";
+
+ protected static final Comparator<Host> ID_COMPARATOR = new Comparator<Host>() {
+ @Override
+ public int compare(Host h1, Host h2) {
+ return h1.id().uri().toString().compareTo(h2.id().uri().toString());
+ }
+ };
+
+ @Override
+ protected Object doExecute() throws Exception {
+ HostService service = getService(HostService.class);
+ for (Host host : getSortedHosts(service)) {
+ printHost(host);
+ }
+ return null;
+ }
+
+ /**
+ * Returns the list of devices sorted using the device ID URIs.
+ *
+ * @param service device service
+ * @return sorted device list
+ */
+ protected List<Host> getSortedHosts(HostService service) {
+ List<Host> hosts = newArrayList(service.getHosts());
+ Collections.sort(hosts, ID_COMPARATOR);
+ return hosts;
+ }
+
+ /**
+ * Prints information about a host.
+ *
+ * @param host
+ */
+ protected void printHost(Host host) {
+ if (host != null) {
+ print(FMT, host.id(), host.mac(),
+ host.location().deviceId(),
+ host.location().port(),
+ host.vlan(), host.ipAddresses());
+ }
+ }
+ }