| 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 java.util.Map; |
| |
| import org.apache.karaf.shell.commands.Command; |
| import org.onlab.onos.cli.AbstractShellCommand; |
| import org.onlab.onos.net.Device; |
| import org.onlab.onos.net.device.DeviceService; |
| import org.onlab.onos.net.flow.FlowRule; |
| import org.onlab.onos.net.flow.FlowRuleService; |
| |
| import com.google.common.collect.Maps; |
| |
| /** |
| * Lists all currently-known hosts. |
| */ |
| @Command(scope = "onos", name = "flows", |
| description = "Lists all currently-known flows.") |
| public class FlowsListCommand extends AbstractShellCommand { |
| |
| private static final String FMT = |
| " id=%s, selector=%s, treatment=%s, state=%s"; |
| |
| protected static final Comparator<FlowRule> ID_COMPARATOR = new Comparator<FlowRule>() { |
| @Override |
| public int compare(FlowRule f1, FlowRule f2) { |
| return Long.valueOf(f1.id().value()).compareTo(f2.id().value()); |
| } |
| }; |
| |
| @Override |
| protected void execute() { |
| DeviceService deviceService = getService(DeviceService.class); |
| FlowRuleService service = getService(FlowRuleService.class); |
| Map<Device, List<FlowRule>> flows = getSortedFlows(deviceService, service); |
| for (Device d : deviceService.getDevices()) { |
| printFlows(d, flows.get(d)); |
| } |
| } |
| |
| |
| /** |
| * Returns the list of devices sorted using the device ID URIs. |
| * |
| * @param service device service |
| * @return sorted device list |
| */ |
| protected Map<Device, List<FlowRule>> getSortedFlows(DeviceService deviceService, FlowRuleService service) { |
| Map<Device, List<FlowRule>> flows = Maps.newHashMap(); |
| List<FlowRule> rules; |
| for (Device d : deviceService.getDevices()) { |
| rules = newArrayList(service.getFlowEntries(d.id())); |
| Collections.sort(rules, ID_COMPARATOR); |
| flows.put(d, rules); |
| } |
| return flows; |
| } |
| |
| /** |
| * Prints flows. |
| * @param d the device |
| * @param flows the set of flows for that device. |
| */ |
| protected void printFlows(Device d, List<FlowRule> flows) { |
| print("Device: " + d.id()); |
| for (FlowRule f : flows) { |
| print(FMT, f.id().value(), f.selector(), f.treatment(), f.state()); |
| } |
| |
| } |
| |
| } |