Adding a very simple output for pingall

Change-Id: I7575d4f6d1c45cdfaeb6a10d1bdc8371bcb25a29
(cherry picked from commit 134c3c051f1d8bdbaee66c4ffee7579e53ffc1f0)
diff --git a/apps/t3/src/main/java/org/onosproject/t3/cli/TroubleshootPingAllCommand.java b/apps/t3/src/main/java/org/onosproject/t3/cli/TroubleshootPingAllCommand.java
new file mode 100644
index 0000000..f8648d0
--- /dev/null
+++ b/apps/t3/src/main/java/org/onosproject/t3/cli/TroubleshootPingAllCommand.java
@@ -0,0 +1,199 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * 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.t3.cli;
+
+import org.apache.commons.lang.StringUtils;
+import org.apache.karaf.shell.commands.Command;
+import org.apache.karaf.shell.commands.Option;
+import org.onlab.packet.IpAddress;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.net.Host;
+import org.onosproject.net.flow.criteria.Criterion;
+import org.onosproject.net.flow.criteria.IPCriterion;
+import org.onosproject.t3.api.StaticPacketTrace;
+import org.onosproject.t3.api.TroubleshootService;
+import org.onosproject.t3.impl.Generator;
+
+import java.util.Set;
+
+import static java.lang.Thread.sleep;
+import static org.onlab.packet.EthType.EtherType;
+
+/**
+ * Starts a Static Packet Trace for a given input and prints the result.
+ */
+@Command(scope = "onos", name = "t3-troubleshoot-pingall",
+        description = "Traces a ping between all hosts in the system of a given ETH type")
+public class TroubleshootPingAllCommand extends AbstractShellCommand {
+
+    private static final String FMT_SHORT =
+            "id=%s, mac=%s, locations=%s, vlan=%s, ip(s)=%s";
+
+    @Option(name = "-et", aliases = "--ethType", description = "ETH Type", valueToShowInHelp = "ipv4")
+    String ethType = "ipv4";
+
+    @Option(name = "-v", aliases = "--verbose", description = "Outputs trace for each host to host combination")
+    private boolean verbosity1 = false;
+
+    @Option(name = "-vv", aliases = "--veryverbose", description = "Outputs details of every trace")
+    private boolean verbosity2 = false;
+
+    @Option(name = "-d", aliases = "--delay", description = "delay between host to host trace display")
+    private long delay = 0;
+
+    @Override
+    protected void execute() {
+        TroubleshootService service = get(TroubleshootService.class);
+
+        EtherType type = EtherType.valueOf(ethType.toUpperCase());
+
+        print("Tracing between all %s hosts", ethType);
+
+        if (!type.equals(EtherType.IPV4) && !type.equals(EtherType.IPV6)) {
+            print("Command only support IPv4 or IPv6");
+        } else {
+            //Create the generator for the list of traces.
+            Generator<Set<StaticPacketTrace>> generator = service.pingAllGenerator(type);
+            Host previousHost = null;
+            while (generator.iterator().hasNext()) {
+                Set<StaticPacketTrace> traces = generator.iterator().next();
+                for (StaticPacketTrace trace : traces) {
+                    boolean ipv4 = type.equals(EtherType.IPV4);
+                    //no verbosity is mininet style output
+                    if (!verbosity1 && !verbosity2) {
+                        if (trace.getEndpointHosts().isPresent()) {
+                            Host src = trace.getEndpointHosts().get().getLeft();
+                            if (previousHost == null || !previousHost.equals(src)) {
+                                print("%s", StringUtils.rightPad("", 125, '-'));
+                                IpAddress ipAddress = getIpAddress(trace, ipv4, src, true);
+                                if (ipAddress == null) {
+                                    print("%s", src.id() + " -->");
+                                } else {
+                                    print("%s (%s) -->", src.id(), ipAddress);
+                                }
+                                previousHost = src;
+                            } else {
+                                String host;
+                                IpAddress ipAddress = getIpAddress(trace, ipv4, src, false);
+                                if (ipAddress == null) {
+                                    host = String.format("       %s %s", trace.getEndpointHosts().get().getRight().id(),
+                                            trace.isSuccess());
+                                } else {
+                                    host = String.format("       %s (%s) %s",
+                                            trace.getEndpointHosts().get().getRight().id(), ipAddress,
+                                            trace.isSuccess());
+                                }
+                                if (!trace.isSuccess()) {
+                                    host = host + " " + trace.resultMessage();
+                                }
+                                print("%s", host);
+                            }
+                        }
+                    } else {
+                        print("%s", StringUtils.leftPad("", 125, '-'));
+
+                        if (trace.getInitialPacket() != null) {
+                            if (verbosity1) {
+                                printResultOnly(trace, ipv4);
+                            } else if (verbosity2) {
+                                printVerbose(trace);
+                            }
+                        } else {
+                            if (trace.getEndpointHosts().isPresent()) {
+                                Host source = trace.getEndpointHosts().get().getLeft();
+                                Host destination = trace.getEndpointHosts().get().getRight();
+                                print("Source %s --> Destination %s", source.id(), destination.id());
+                            }
+                            print("Error in obtaining trace: %s", trace.resultMessage());
+                        }
+                    }
+                }
+                try {
+                    sleep(delay);
+                } catch (InterruptedException e) {
+                    log.debug("interrupted while sleep");
+                }
+            }
+            print("%s", StringUtils.rightPad("", 125, '-'));
+        }
+    }
+
+    private IpAddress getIpAddress(StaticPacketTrace trace, boolean ipv4, Host host, boolean src) {
+        IpAddress ipAddress;
+        if (ipv4) {
+            Criterion.Type type = src ? Criterion.Type.IPV4_SRC : Criterion.Type.IPV4_DST;
+            if (trace.getInitialPacket().getCriterion(type) != null) {
+                ipAddress = ((IPCriterion) trace.getInitialPacket()
+                        .getCriterion(type)).ip().address();
+            } else {
+                ipAddress = host.ipAddresses().stream().filter(IpAddress::isIp4)
+                        .findAny().orElseGet(null);
+            }
+        } else {
+            Criterion.Type type = src ? Criterion.Type.IPV6_SRC : Criterion.Type.IPV6_DST;
+            if (trace.getInitialPacket().getCriterion(type) != null) {
+                ipAddress = ((IPCriterion) trace.getInitialPacket()
+                        .getCriterion(type)).ip().address();
+            } else {
+                ipAddress = host.ipAddresses().stream().filter(IpAddress::isIp6)
+                        .findAny().orElseGet(null);
+            }
+        }
+        return ipAddress;
+    }
+
+    private void printResultOnly(StaticPacketTrace trace, boolean ipv4) {
+        if (trace.getEndpointHosts().isPresent()) {
+            Host source = trace.getEndpointHosts().get().getLeft();
+            Host destination = trace.getEndpointHosts().get().getRight();
+            IpAddress srcIP;
+            IpAddress dstIP;
+            if (ipv4 && trace.getInitialPacket().getCriterion(Criterion.Type.IPV4_SRC) != null) {
+                srcIP = ((IPCriterion) trace.getInitialPacket().getCriterion(Criterion.Type.IPV4_SRC)).ip().address();
+                dstIP = ((IPCriterion) trace.getInitialPacket().getCriterion(Criterion.Type.IPV4_DST)).ip().address();
+                print("Source %s (%s) --> Destination %s (%s)", source.id(), srcIP, destination.id(), dstIP);
+            } else if (trace.getInitialPacket().getCriterion(Criterion.Type.IPV6_SRC) != null) {
+                srcIP = ((IPCriterion) trace.getInitialPacket().getCriterion(Criterion.Type.IPV6_SRC)).ip().address();
+                dstIP = ((IPCriterion) trace.getInitialPacket().getCriterion(Criterion.Type.IPV6_DST)).ip().address();
+                print("Source %s (%s) --> Destination %s (%s)", source.id(), srcIP, destination.id(), dstIP);
+            } else {
+                print("Source %s --> Destination %s", source.id(), destination.id());
+            }
+            print("%s", trace.resultMessage());
+        } else {
+            print("Can't gather host information from trace");
+            print("%s", trace.resultMessage());
+        }
+    }
+
+    private void printVerbose(StaticPacketTrace trace) {
+        if (trace.getEndpointHosts().isPresent()) {
+            Host source = trace.getEndpointHosts().get().getLeft();
+            print("Source host %s", printHost(source));
+            Host destination = trace.getEndpointHosts().get().getRight();
+            print("Destination host %s", printHost(destination));
+        }
+        print("%s", trace.getInitialPacket());
+        print("%s", T3CliUtils.printTrace(trace, false, false));
+    }
+
+    private String printHost(Host host) {
+        return String.format(FMT_SHORT, host.id(), host.mac(),
+                host.locations(),
+                host.vlan(), host.ipAddresses());
+    }
+}