ONOS-1281, ONOS-1747 - GUI -- Flows table created; version updated.
Change-Id: I06477793d6a1943ed90825f5103c8f6f4e962b70
diff --git a/web/gui/src/main/java/org/onosproject/ui/impl/FlowViewMessageHandler.java b/web/gui/src/main/java/org/onosproject/ui/impl/FlowViewMessageHandler.java
new file mode 100644
index 0000000..b14ba98
--- /dev/null
+++ b/web/gui/src/main/java/org/onosproject/ui/impl/FlowViewMessageHandler.java
@@ -0,0 +1,201 @@
+/*
+ * 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.ArrayNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.google.common.collect.ImmutableSet;
+import org.apache.commons.lang.WordUtils;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.flow.FlowEntry;
+import org.onosproject.net.flow.FlowRuleService;
+import org.onosproject.net.flow.TrafficSelector;
+import org.onosproject.net.flow.TrafficTreatment;
+import org.onosproject.net.flow.criteria.Criterion;
+import org.onosproject.net.flow.instructions.Instruction;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Set;
+
+
+/**
+ * Message handler for flow view related messages.
+ */
+public class FlowViewMessageHandler extends AbstractTabularViewMessageHandler {
+
+ private static final String NO_DEV = "none";
+
+ /**
+ * Creates a new message handler for the flow messages.
+ */
+ protected FlowViewMessageHandler() {
+ super(ImmutableSet.of("flowDataRequest"));
+ }
+
+ @Override
+ public void process(ObjectNode message) {
+ ObjectNode payload = payload(message);
+ String uri = string(payload, "devId", NO_DEV);
+ String sortCol = string(payload, "sortCol", "id");
+ String sortDir = string(payload, "sortDir", "asc");
+
+ ObjectNode rootNode;
+ if (uri.equals(NO_DEV)) {
+ rootNode = mapper.createObjectNode();
+ rootNode.set("flows", mapper.createArrayNode());
+ } else {
+ DeviceId deviceId = DeviceId.deviceId(uri);
+
+ FlowRuleService service = get(FlowRuleService.class);
+ TableRow[] rows = generateTableRows(service, deviceId);
+ RowComparator rc =
+ new RowComparator(sortCol, RowComparator.direction(sortDir));
+ Arrays.sort(rows, rc);
+ ArrayNode flows = generateArrayNode(rows);
+
+ rootNode = mapper.createObjectNode();
+ rootNode.set("flows", flows);
+ }
+
+ connection().sendMessage("flowDataResponse", 0, rootNode);
+ }
+
+ private TableRow[] generateTableRows(FlowRuleService service,
+ DeviceId deviceId) {
+ List<TableRow> list = new ArrayList<>();
+ for (FlowEntry flow : service.getFlowEntries(deviceId)) {
+ list.add(new FlowTableRow(flow));
+ }
+ return list.toArray(new TableRow[list.size()]);
+ }
+
+ /**
+ * TableRow implementation for {@link org.onosproject.net.flow.FlowRule flows}.
+ */
+ private static class FlowTableRow extends AbstractTableRow {
+
+ 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 COMMA = ", ";
+
+ private static final String[] COL_IDS = {
+ ID, APP_ID, GROUP_ID, TABLE_ID, PRIORITY, SELECTOR,
+ TREATMENT, TIMEOUT, PERMANENT, STATE
+ };
+
+ public FlowTableRow(FlowEntry f) {
+ add(ID, Long.toString(f.id().value()));
+ add(APP_ID, Short.toString(f.appId()));
+ add(GROUP_ID, Integer.toString(f.groupId().id()));
+ add(TABLE_ID, Integer.toString(f.tableId()));
+ add(PRIORITY, Integer.toString(f.priority()));
+ add(SELECTOR, getSelectorString(f));
+ add(TREATMENT, getTreatmentString(f));
+ add(TIMEOUT, Integer.toString(f.timeout()));
+ add(PERMANENT, Boolean.toString(f.isPermanent()));
+ add(STATE, WordUtils.capitalizeFully(f.state().toString()));
+ }
+
+ private String getSelectorString(FlowEntry f) {
+ String result;
+ TrafficSelector selector = f.selector();
+ Set<Criterion> criteria = selector.criteria();
+
+ if (criteria.isEmpty()) {
+ result = "(No traffic selectors for this flow)";
+ } else {
+ StringBuilder sb = new StringBuilder("Criteria = ");
+ for (Criterion c : criteria) {
+ sb.append(WordUtils.capitalizeFully(c.type().toString()))
+ .append(COMMA);
+ }
+ result = removeTrailingComma(sb).toString();
+ }
+ return result;
+ }
+
+ private String getTreatmentString(FlowEntry f) {
+ TrafficTreatment treatment = f.treatment();
+ List<Instruction> deferred = treatment.deferred();
+ List<Instruction> immediate = treatment.immediate();
+ boolean haveDef = !deferred.isEmpty();
+ boolean haveImm = !immediate.isEmpty();
+ boolean both = haveDef && haveImm;
+ boolean neither = !haveDef && !haveImm;
+ String result;
+
+ if (neither) {
+ result = "(No traffic treatment instructions for this flow)";
+ } else {
+ StringBuilder sb = new StringBuilder();
+ addDeferred(sb, deferred);
+ if (both) {
+ sb.append(COMMA);
+ }
+ addImmediate(sb, immediate);
+ result = sb.toString();
+ }
+ return result;
+ }
+
+ private void addDeferred(StringBuilder sb, List<Instruction> deferred) {
+ if (!deferred.isEmpty()) {
+ sb.append("Deferred instructions = ");
+ for (Instruction i : deferred) {
+ sb.append(WordUtils.capitalizeFully(i.type().toString()))
+ .append(COMMA);
+ }
+ removeTrailingComma(sb);
+ }
+ }
+
+ private void addImmediate(StringBuilder sb, List<Instruction> immediate) {
+ if (!immediate.isEmpty()) {
+ sb.append("Immediate instructions = ");
+ for (Instruction i : immediate) {
+ sb.append(WordUtils.capitalizeFully(i.type().toString()))
+ .append(COMMA);
+ }
+ removeTrailingComma(sb);
+ }
+ }
+
+ private StringBuilder removeTrailingComma(StringBuilder sb) {
+ int pos = sb.lastIndexOf(COMMA);
+ sb.delete(pos, sb.length());
+ return sb;
+ }
+
+
+ @Override
+ protected String[] columnIds() {
+ return COL_IDS;
+ }
+ }
+
+}