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/*
* 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 java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.SortedMap;
import java.util.TreeMap;
import org.apache.karaf.shell.commands.Argument;
import org.apache.karaf.shell.commands.Command;
import org.onosproject.cli.AbstractShellCommand;
import org.onosproject.cli.Comparators;
import org.onosproject.net.Device;
import org.onosproject.net.DeviceId;
import org.onosproject.net.device.DeviceService;
import org.onosproject.net.group.Group;
import org.onosproject.net.group.Group.GroupState;
import org.onosproject.net.group.GroupBucket;
import org.onosproject.net.group.GroupService;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.ArrayNode;
import static com.google.common.collect.Lists.newArrayList;
/**
* Lists all groups in the system.
*/
@Command(scope = "onos", name = "groups",
description = "Lists all groups in the system")
public class GroupsListCommand extends AbstractShellCommand {
private static final String FORMAT =
" id=0x%s, state=%s, type=%s, bytes=%s, packets=%s, appId=%s";
private static final String BUCKET_FORMAT =
" id=0x%s, bucket=%s, bytes=%s, packets=%s, actions=%s";
@Argument(index = 1, name = "uri", description = "Device ID",
required = false, multiValued = false)
String uri = null;
@Argument(index = 0, name = "state", description = "Group state",
required = false, multiValued = false)
String state;
private JsonNode json(Map<Device, List<Group>> sortedGroups) {
ArrayNode result = mapper().createArrayNode();
sortedGroups.forEach((device, groups) ->
groups.forEach(group ->
result.add(jsonForEntity(group, Group.class))));
return result;
}
@Override
protected void execute() {
DeviceService deviceService = get(DeviceService.class);
GroupService groupService = get(GroupService.class);
SortedMap<Device, List<Group>> sortedGroups =
getSortedGroups(deviceService, groupService);
if (outputJson()) {
print("%s", json(sortedGroups));
} else {
sortedGroups.forEach((device, groups) -> printGroups(device.id(), groups));
}
}
/**
* Returns the list of devices sorted using the device ID URIs.
*
* @param deviceService device service
* @param groupService group service
* @return sorted device list
*/
protected SortedMap<Device, List<Group>>
getSortedGroups(DeviceService deviceService,
GroupService groupService) {
SortedMap<Device, List<Group>> sortedGroups =
new TreeMap<>(Comparators.ELEMENT_COMPARATOR);
List<Group> groups;
GroupState s = null;
if (state != null && !state.equals("any")) {
s = GroupState.valueOf(state.toUpperCase());
}
Iterable<Device> devices = (uri == null) ? deviceService.getDevices() :
Collections.singletonList(deviceService.getDevice(DeviceId.deviceId(uri)));
for (Device d : devices) {
if (s == null) {
groups = newArrayList(groupService.getGroups(d.id()));
} else {
groups = newArrayList();
for (Group g : groupService.getGroups(d.id())) {
if (g.state().equals(s)) {
groups.add(g);
}
}
}
groups.sort(Comparators.GROUP_COMPARATOR);
sortedGroups.put(d, groups);
}
return sortedGroups;
}
private void printGroups(DeviceId deviceId, List<Group> groups) {
print("deviceId=%s", deviceId);
for (Group group : groups) {
print(FORMAT, Integer.toHexString(group.id().id()), group.state(), group.type(),
group.bytes(), group.packets(), group.appId().name());
int i = 0;
for (GroupBucket bucket:group.buckets().buckets()) {
print(BUCKET_FORMAT, Integer.toHexString(group.id().id()), ++i,
bucket.bytes(), bucket.packets(),
bucket.treatment().allInstructions());
}
}
}
}
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