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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.ui.impl;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.google.common.collect.ImmutableSet;
import org.onosproject.net.packet.PacketProcessorEntry;
import org.onosproject.net.packet.PacketService;
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.NumberFormatter;
import java.util.Collection;
import static org.onosproject.net.packet.PacketProcessor.ADVISOR_MAX;
import static org.onosproject.net.packet.PacketProcessor.DIRECTOR_MAX;
/**
* Message handler for packet processor view related messages.
*/
public class ProcessorViewMessageHandler extends UiMessageHandler {
private static final String PROCESSOR_DATA_REQ = "processorDataRequest";
private static final String PROCESSOR_DATA_RESP = "processorDataResponse";
private static final String PROCESSORS = "processors";
private static final String OBSERVER = "observer";
private static final String DIRECTOR = "director";
private static final String ADVISOR = "advisor";
private static final String ID = "id";
private static final String TYPE = "type";
private static final String PRIORITY = "priority";
private static final String PROCESSOR = "processor";
private static final String PACKETS = "packets";
private static final String AVG_MS = "avgMillis";
private static final long NANOS_IN_MS = 1_000_000;
private static final String[] COL_IDS = {
ID, TYPE, PRIORITY, PROCESSOR, PACKETS, AVG_MS
};
@Override
protected Collection<RequestHandler> createRequestHandlers() {
return ImmutableSet.of(new ProcessorDataRequest());
}
// handler for packet processor table requests
private final class ProcessorDataRequest extends TableRequestHandler {
private ProcessorDataRequest() {
super(PROCESSOR_DATA_REQ, PROCESSOR_DATA_RESP, PROCESSORS);
}
@Override
protected String[] getColumnIds() {
return COL_IDS;
}
@Override
protected TableModel createTableModel() {
TableModel tm = super.createTableModel();
tm.setFormatter(AVG_MS, new NumberFormatter());
return tm;
}
@Override
protected void populateTable(TableModel tm, ObjectNode payload) {
PacketService ps = get(PacketService.class);
ps.getProcessors().forEach(entry -> populateRow(tm.addRow(), entry));
}
private void populateRow(TableModel.Row row, PacketProcessorEntry entry) {
row.cell(ID, entry.priority())
.cell(TYPE, processorType(entry.priority()))
.cell(PRIORITY, processorPriority(entry.priority()))
.cell(PROCESSOR, entry.processor().getClass().getName())
.cell(PACKETS, entry.invocations())
.cell(AVG_MS, (double) entry.averageNanos() / NANOS_IN_MS);
}
private String processorType(int p) {
return p > DIRECTOR_MAX ? OBSERVER : p > ADVISOR_MAX ? DIRECTOR : ADVISOR;
}
private int processorPriority(int p) {
return p > DIRECTOR_MAX ? (p - DIRECTOR_MAX - 1) :
p > ADVISOR_MAX ? (p - ADVISOR_MAX - 1) : (p - 1);
}
}
}
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