Andrea Campanella | af34b7c | 2018-02-08 17:10:11 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015-present Open Networking Foundation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package org.onosproject.t3.cli; |
| 18 | |
| 19 | import org.onosproject.net.ConnectPoint; |
| 20 | import org.onosproject.net.flow.TrafficTreatment; |
| 21 | import org.onosproject.net.group.GroupBucket; |
| 22 | import org.onosproject.t3.api.GroupsInDevice; |
| 23 | import org.onosproject.t3.api.StaticPacketTrace; |
| 24 | |
| 25 | import java.util.List; |
| 26 | |
| 27 | /** |
| 28 | * Class containing utility methods for T3 cli. |
| 29 | */ |
| 30 | final class T3CliUtils { |
| 31 | |
| 32 | private T3CliUtils() { |
| 33 | //banning construction |
| 34 | } |
| 35 | |
| 36 | private static final String FLOW_SHORT_FORMAT = " %s, bytes=%s, packets=%s, " |
| 37 | + "table=%s, priority=%s, selector=%s, treatment=%s"; |
| 38 | |
| 39 | private static final String GROUP_FORMAT = |
| 40 | " id=0x%s, state=%s, type=%s, bytes=%s, packets=%s, appId=%s, referenceCount=%s"; |
| 41 | private static final String GROUP_BUCKET_FORMAT = |
| 42 | " id=0x%s, bucket=%s, bytes=%s, packets=%s, actions=%s"; |
| 43 | |
| 44 | /** |
| 45 | * Builds a string output for the given trace for a specific level of verbosity. |
| 46 | * |
| 47 | * @param trace the trace |
| 48 | * @param verbosity1 middle verbosity level |
| 49 | * @param verbosity2 high verbosity level |
| 50 | * @return a string representing the trace. |
| 51 | */ |
| 52 | static String printTrace(StaticPacketTrace trace, boolean verbosity1, boolean verbosity2) { |
| 53 | StringBuilder tracePrint = new StringBuilder(); |
| 54 | //Print based on verbosity |
| 55 | if (verbosity1) { |
| 56 | tracePrint = printTrace(trace, false, tracePrint); |
| 57 | } else if (verbosity2) { |
| 58 | tracePrint = printTrace(trace, true, tracePrint); |
| 59 | } else { |
| 60 | tracePrint.append("Paths"); |
| 61 | tracePrint.append("\n"); |
| 62 | List<List<ConnectPoint>> paths = trace.getCompletePaths(); |
| 63 | for (List<ConnectPoint> path : paths) { |
| 64 | tracePrint.append(path); |
| 65 | tracePrint.append("\n"); |
| 66 | } |
| 67 | } |
| 68 | tracePrint.append("Result: \n" + trace.resultMessage()); |
| 69 | return tracePrint.toString(); |
| 70 | } |
| 71 | |
| 72 | //prints the trace |
| 73 | private static StringBuilder printTrace(StaticPacketTrace trace, boolean verbose, StringBuilder tracePrint) { |
| 74 | List<List<ConnectPoint>> paths = trace.getCompletePaths(); |
| 75 | for (List<ConnectPoint> path : paths) { |
| 76 | tracePrint.append("Path " + path); |
| 77 | tracePrint.append("\n"); |
| 78 | ConnectPoint previous = null; |
| 79 | if (path.size() == 1) { |
| 80 | ConnectPoint connectPoint = path.get(0); |
| 81 | tracePrint.append("Device " + connectPoint.deviceId()); |
| 82 | tracePrint.append("\n"); |
| 83 | tracePrint.append("Input from " + connectPoint); |
| 84 | tracePrint.append("\n"); |
| 85 | tracePrint = printFlows(trace, verbose, connectPoint, tracePrint); |
| 86 | tracePrint = printGroups(trace, verbose, connectPoint, tracePrint); |
| 87 | tracePrint.append("Output through " + connectPoint); |
| 88 | tracePrint.append("\n"); |
| 89 | } else { |
| 90 | for (ConnectPoint connectPoint : path) { |
| 91 | if (previous == null || !previous.deviceId().equals(connectPoint.deviceId())) { |
| 92 | tracePrint.append("Device " + connectPoint.deviceId()); |
| 93 | tracePrint.append("\n"); |
| 94 | tracePrint.append("Input from " + connectPoint); |
| 95 | tracePrint.append("\n"); |
| 96 | tracePrint = printFlows(trace, verbose, connectPoint, tracePrint); |
| 97 | } else { |
| 98 | tracePrint = printGroups(trace, verbose, connectPoint, tracePrint); |
| 99 | tracePrint.append("Output through " + connectPoint); |
| 100 | tracePrint.append("\n"); |
| 101 | } |
| 102 | previous = connectPoint; |
| 103 | } |
| 104 | } |
| 105 | tracePrint.append("---------------------------------------------------------------\n"); |
| 106 | } |
| 107 | return tracePrint; |
| 108 | } |
| 109 | |
| 110 | |
| 111 | //Prints the flows for a given trace and a specified level of verbosity |
| 112 | private static StringBuilder printFlows(StaticPacketTrace trace, boolean verbose, ConnectPoint connectPoint, |
| 113 | StringBuilder tracePrint) { |
Andrea Campanella | 04924b9 | 2018-01-17 16:34:51 +0100 | [diff] [blame] | 114 | tracePrint.append("Flows "); |
| 115 | tracePrint.append(trace.getFlowsForDevice(connectPoint.deviceId()).size()); |
Andrea Campanella | af34b7c | 2018-02-08 17:10:11 +0100 | [diff] [blame] | 116 | tracePrint.append("\n"); |
| 117 | trace.getFlowsForDevice(connectPoint.deviceId()).forEach(f -> { |
| 118 | if (verbose) { |
| 119 | tracePrint.append(String.format(FLOW_SHORT_FORMAT, f.state(), f.bytes(), f.packets(), |
| 120 | f.table(), f.priority(), f.selector().criteria(), |
| 121 | printTreatment(f.treatment()))); |
| 122 | tracePrint.append("\n"); |
| 123 | } else { |
| 124 | tracePrint.append(String.format(" flowId=%s, table=%s, selector=%s", f.id(), f.table(), |
| 125 | f.selector().criteria())); |
| 126 | tracePrint.append("\n"); |
| 127 | } |
| 128 | }); |
| 129 | return tracePrint; |
| 130 | } |
| 131 | |
| 132 | //Prints the groups for a given trace and a specified level of verbosity |
| 133 | private static StringBuilder printGroups(StaticPacketTrace trace, boolean verbose, ConnectPoint connectPoint, |
| 134 | StringBuilder tracePrint) { |
| 135 | List<GroupsInDevice> groupsInDevice = trace.getGroupOuputs(connectPoint.deviceId()); |
| 136 | if (groupsInDevice != null) { |
| 137 | tracePrint.append("Groups"); |
| 138 | tracePrint.append("\n"); |
| 139 | groupsInDevice.forEach(output -> { |
| 140 | if (output.getOutput().equals(connectPoint)) { |
| 141 | output.getGroups().forEach(group -> { |
| 142 | if (verbose) { |
| 143 | tracePrint.append(String.format(GROUP_FORMAT, Integer.toHexString(group.id().id()), |
| 144 | group.state(), group.type(), group.bytes(), group.packets(), |
| 145 | group.appId().name(), group.referenceCount())); |
| 146 | tracePrint.append("\n"); |
| 147 | int i = 0; |
| 148 | for (GroupBucket bucket : group.buckets().buckets()) { |
| 149 | tracePrint.append(String.format(GROUP_BUCKET_FORMAT, |
| 150 | Integer.toHexString(group.id().id()), |
| 151 | ++i, bucket.bytes(), bucket.packets(), |
| 152 | bucket.treatment().allInstructions())); |
| 153 | tracePrint.append("\n"); |
| 154 | } |
| 155 | } else { |
| 156 | tracePrint.append(" groupId=" + group.id()); |
| 157 | tracePrint.append("\n"); |
| 158 | } |
| 159 | }); |
| 160 | tracePrint.append("Outgoing Packet " + output.getFinalPacket()); |
| 161 | tracePrint.append("\n"); |
| 162 | } |
| 163 | }); |
| 164 | } |
| 165 | return tracePrint; |
| 166 | } |
| 167 | |
| 168 | private static String printTreatment(TrafficTreatment treatment) { |
| 169 | final String delimiter = ", "; |
| 170 | StringBuilder builder = new StringBuilder("["); |
| 171 | if (!treatment.immediate().isEmpty()) { |
| 172 | builder.append("immediate=" + treatment.immediate() + delimiter); |
| 173 | } |
| 174 | if (!treatment.deferred().isEmpty()) { |
| 175 | builder.append("deferred=" + treatment.deferred() + delimiter); |
| 176 | } |
| 177 | if (treatment.clearedDeferred()) { |
| 178 | builder.append("clearDeferred" + delimiter); |
| 179 | } |
| 180 | if (treatment.tableTransition() != null) { |
| 181 | builder.append("transition=" + treatment.tableTransition() + delimiter); |
| 182 | } |
| 183 | if (treatment.metered() != null) { |
| 184 | builder.append("meter=" + treatment.metered() + delimiter); |
| 185 | } |
| 186 | if (treatment.writeMetadata() != null) { |
| 187 | builder.append("metadata=" + treatment.writeMetadata() + delimiter); |
| 188 | } |
| 189 | // Chop off last delimiter |
| 190 | builder.replace(builder.length() - delimiter.length(), builder.length(), ""); |
| 191 | builder.append("]"); |
| 192 | return builder.toString(); |
| 193 | } |
| 194 | } |