| /* |
| * 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.base.Strings; |
| import com.google.common.collect.ImmutableSet; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.flow.FlowEntry; |
| import org.onosproject.net.flow.FlowRuleService; |
| import org.onosproject.net.flow.criteria.Criterion; |
| import org.onosproject.net.flow.instructions.Instruction; |
| import org.onosproject.ui.RequestHandler; |
| import org.onosproject.ui.UiMessageHandler; |
| import org.onosproject.ui.table.CellFormatter; |
| import org.onosproject.ui.table.TableModel; |
| import org.onosproject.ui.table.TableRequestHandler; |
| import org.onosproject.ui.table.cell.EnumFormatter; |
| import org.onosproject.ui.table.cell.HexFormatter; |
| import org.onosproject.ui.table.cell.HexLongFormatter; |
| import org.onosproject.ui.table.cell.NumberFormatter; |
| |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Set; |
| |
| /** |
| * Message handler for flow view related messages. |
| */ |
| public class FlowViewMessageHandler extends UiMessageHandler { |
| |
| private static final String FLOW_DATA_REQ = "flowDataRequest"; |
| private static final String FLOW_DATA_RESP = "flowDataResponse"; |
| private static final String FLOWS = "flows"; |
| |
| private static final String ID = "id"; |
| private static final String APP_ID = "appId"; |
| private static final String GROUP_ID = "groupId"; |
| private static final String TABLE_ID = "tableId"; |
| private static final String PRIORITY = "priority"; |
| private static final String SELECTOR = "selector"; |
| private static final String TREATMENT = "treatment"; |
| private static final String TIMEOUT = "timeout"; |
| private static final String PERMANENT = "permanent"; |
| private static final String STATE = "state"; |
| private static final String PACKETS = "packets"; |
| private static final String BYTES = "bytes"; |
| |
| private static final String COMMA = ", "; |
| |
| private static final String[] COL_IDS = { |
| ID, APP_ID, GROUP_ID, TABLE_ID, PRIORITY, SELECTOR, |
| TREATMENT, TIMEOUT, PERMANENT, STATE, PACKETS, BYTES |
| }; |
| |
| @Override |
| protected Collection<RequestHandler> createRequestHandlers() { |
| return ImmutableSet.of(new FlowDataRequest()); |
| } |
| |
| // handler for flow table requests |
| private final class FlowDataRequest extends TableRequestHandler { |
| |
| private static final String NO_ROWS_MESSAGE = "No flows found"; |
| |
| private FlowDataRequest() { |
| super(FLOW_DATA_REQ, FLOW_DATA_RESP, FLOWS); |
| } |
| |
| @Override |
| protected String[] getColumnIds() { |
| return COL_IDS; |
| } |
| |
| @Override |
| protected String noRowsMessage(ObjectNode payload) { |
| return NO_ROWS_MESSAGE; |
| } |
| |
| @Override |
| protected TableModel createTableModel() { |
| TableModel tm = super.createTableModel(); |
| tm.setFormatter(ID, HexLongFormatter.INSTANCE); |
| tm.setFormatter(GROUP_ID, HexFormatter.INSTANCE); |
| tm.setFormatter(STATE, EnumFormatter.INSTANCE); |
| tm.setFormatter(PACKETS, NumberFormatter.INTEGER); |
| tm.setFormatter(BYTES, NumberFormatter.INTEGER); |
| tm.setFormatter(SELECTOR, new SelectorFormatter()); |
| tm.setFormatter(TREATMENT, new TreatmentFormatter()); |
| return tm; |
| } |
| |
| @Override |
| protected void populateTable(TableModel tm, ObjectNode payload) { |
| String uri = string(payload, "devId"); |
| if (!Strings.isNullOrEmpty(uri)) { |
| DeviceId deviceId = DeviceId.deviceId(uri); |
| FlowRuleService frs = get(FlowRuleService.class); |
| for (FlowEntry flow : frs.getFlowEntries(deviceId)) { |
| populateRow(tm.addRow(), flow); |
| } |
| } |
| } |
| |
| private void populateRow(TableModel.Row row, FlowEntry flow) { |
| row.cell(ID, flow.id().value()) |
| .cell(APP_ID, flow.appId()) |
| .cell(GROUP_ID, flow.groupId().id()) |
| .cell(TABLE_ID, flow.tableId()) |
| .cell(PRIORITY, flow.priority()) |
| .cell(TIMEOUT, flow.timeout()) |
| .cell(PERMANENT, flow.isPermanent()) |
| .cell(STATE, flow.state()) |
| .cell(PACKETS, flow.packets()) |
| .cell(BYTES, flow.bytes()) |
| .cell(SELECTOR, flow) |
| .cell(TREATMENT, flow); |
| } |
| |
| private final class SelectorFormatter implements CellFormatter { |
| @Override |
| public String format(Object value) { |
| FlowEntry flow = (FlowEntry) value; |
| Set<Criterion> criteria = flow.selector().criteria(); |
| |
| if (criteria.isEmpty()) { |
| return "(No traffic selector criteria for this flow)"; |
| } |
| StringBuilder sb = new StringBuilder("Criteria: "); |
| for (Criterion c : criteria) { |
| sb.append(c).append(COMMA); |
| } |
| removeTrailingComma(sb); |
| |
| return sb.toString(); |
| } |
| } |
| |
| private final class TreatmentFormatter implements CellFormatter { |
| @Override |
| public String format(Object value) { |
| FlowEntry flow = (FlowEntry) value; |
| List<Instruction> instructions = flow.treatment().allInstructions(); |
| |
| if (instructions.isEmpty()) { |
| return "(No traffic treatment instructions for this flow)"; |
| } |
| StringBuilder sb = new StringBuilder("Treatment Instructions: "); |
| for (Instruction i : instructions) { |
| sb.append(i).append(COMMA); |
| } |
| removeTrailingComma(sb); |
| |
| return sb.toString(); |
| } |
| } |
| |
| private StringBuilder removeTrailingComma(StringBuilder sb) { |
| int pos = sb.lastIndexOf(COMMA); |
| sb.delete(pos, sb.length()); |
| return sb; |
| } |
| } |
| } |