| package org.onlab.onos.cli.net; |
| |
| import static com.google.common.collect.Lists.newArrayList; |
| |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.karaf.shell.commands.Argument; |
| import org.apache.karaf.shell.commands.Command; |
| import org.onlab.onos.cli.AbstractShellCommand; |
| import org.onlab.onos.cli.Comparators; |
| import org.onlab.onos.net.Device; |
| import org.onlab.onos.net.DeviceId; |
| import org.onlab.onos.net.device.DeviceService; |
| import org.onlab.onos.net.flow.FlowEntry; |
| import org.onlab.onos.net.flow.FlowEntry.FlowEntryState; |
| 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 { |
| |
| public static final String ANY = "any"; |
| |
| private static final String FMT = |
| " id=%s, state=%s, bytes=%s, packets=%s, duration=%s, priority=%s"; |
| private static final String TFMT = " treatment=%s"; |
| private static final String SFMT = " selector=%s"; |
| |
| @Argument(index = 1, name = "uri", description = "Device ID", |
| required = false, multiValued = false) |
| String uri = null; |
| |
| @Argument(index = 0, name = "state", description = "Flow Rule state", |
| required = false, multiValued = false) |
| String state = null; |
| |
| @Override |
| protected void execute() { |
| DeviceService deviceService = get(DeviceService.class); |
| FlowRuleService service = get(FlowRuleService.class); |
| Map<Device, List<FlowEntry>> flows = getSortedFlows(deviceService, service); |
| for (Device d : flows.keySet()) { |
| 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<FlowEntry>> getSortedFlows(DeviceService deviceService, FlowRuleService service) { |
| Map<Device, List<FlowEntry>> flows = Maps.newHashMap(); |
| List<FlowEntry> rules; |
| FlowEntryState s = null; |
| if (state != null && !state.equals("any")) { |
| s = FlowEntryState.valueOf(state.toUpperCase()); |
| } |
| Iterable<Device> devices = uri == null ? deviceService.getDevices() : |
| Collections.singletonList(deviceService.getDevice(DeviceId.deviceId(uri))); |
| for (Device d : devices) { |
| if (s == null) { |
| rules = newArrayList(service.getFlowEntries(d.id())); |
| } else { |
| rules = newArrayList(); |
| for (FlowEntry f : service.getFlowEntries(d.id())) { |
| if (f.state().equals(s)) { |
| rules.add(f); |
| } |
| } |
| } |
| Collections.sort(rules, Comparators.FLOW_RULE_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<FlowEntry> flows) { |
| print("Device: " + d.id()); |
| if (flows == null | flows.isEmpty()) { |
| print(" %s", "No flows."); |
| return; |
| } |
| for (FlowEntry f : flows) { |
| print(FMT, Long.toHexString(f.id().value()), f.state(), f.bytes(), |
| f.packets(), f.life(), f.priority()); |
| print(SFMT, f.selector().criteria()); |
| print(TFMT, f.treatment().instructions()); |
| } |
| |
| } |
| |
| } |