1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
/*
* 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.ui.impl;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.google.common.collect.ImmutableSet;
import org.joda.time.DateTime;
import org.onosproject.cluster.ClusterService;
import org.onosproject.cluster.ControllerNode;
import org.onosproject.cluster.NodeId;
import org.onosproject.ui.RequestHandler;
import org.onosproject.ui.UiMessageHandler;
import org.onosproject.ui.table.TableModel;
import org.onosproject.ui.table.TableRequestHandler;
import org.onosproject.ui.table.cell.TimeFormatter;
import java.util.Collection;
/**
* Message handler for cluster view related messages.
*/
public class ClusterViewMessageHandler extends UiMessageHandler {
private static final String CLUSTER_DATA_REQ = "clusterDataRequest";
private static final String CLUSTER_DATA_RESP = "clusterDataResponse";
private static final String CLUSTERS = "clusters";
private static final String ID = "id";
private static final String IP = "ip";
private static final String TCP_PORT = "tcp";
private static final String STATE_IID = "_iconid_state";
private static final String UPDATED = "updated";
private static final String[] COL_IDS = {
ID, IP, TCP_PORT, STATE_IID, UPDATED
};
private static final String ICON_ID_ONLINE = "active";
private static final String ICON_ID_OFFLINE = "inactive";
@Override
protected Collection<RequestHandler> createRequestHandlers() {
return ImmutableSet.of(new ClusterDataRequest());
}
// handler for cluster table requests
private final class ClusterDataRequest extends TableRequestHandler {
private ClusterDataRequest() {
super(CLUSTER_DATA_REQ, CLUSTER_DATA_RESP, CLUSTERS);
}
@Override
protected String[] getColumnIds() {
return COL_IDS;
}
@Override
protected TableModel createTableModel() {
TableModel tm = super.createTableModel();
tm.setFormatter(UPDATED, new TimeFormatter());
return tm;
}
@Override
protected void populateTable(TableModel tm, ObjectNode payload) {
ClusterService cs = get(ClusterService.class);
for (ControllerNode node : cs.getNodes()) {
populateRow(tm.addRow(), node, cs);
}
}
private void populateRow(TableModel.Row row, ControllerNode node,
ClusterService cs) {
NodeId id = node.id();
DateTime lastUpdated = cs.getLastUpdated(id);
String iconId = (cs.getState(id) == ControllerNode.State.ACTIVE) ?
ICON_ID_ONLINE : ICON_ID_OFFLINE;
row.cell(ID, id)
.cell(IP, node.ip())
.cell(TCP_PORT, node.tcpPort())
.cell(STATE_IID, iconId)
.cell(UPDATED, lastUpdated);
}
}
}
|
