[GEΑΝΤ] Refactored: sample migration from SDN-IP to SDX-L3.
Change-Id: I8845c877886e0575a3f0412a6b99043dba11a6fb
diff --git a/sdx-l3/src/main/java/org/onosproject/sdxl3/cli/BgpPeersListCommand.java b/sdx-l3/src/main/java/org/onosproject/sdxl3/cli/BgpPeersListCommand.java
new file mode 100644
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--- /dev/null
+++ b/sdx-l3/src/main/java/org/onosproject/sdxl3/cli/BgpPeersListCommand.java
@@ -0,0 +1,128 @@
+/*
+ * Copyright 2014-2015 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.sdxl3.cli;
+
+import com.google.common.collect.Lists;
+import org.apache.karaf.shell.commands.Command;
+import org.onlab.packet.IpAddress;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.CoreService;
+import org.onosproject.net.config.NetworkConfigService;
+import org.onosproject.routing.RoutingService;
+import org.onosproject.routing.config.BgpConfig;
+import org.onosproject.sdxl3.SdxL3;
+import org.onosproject.sdxl3.config.BgpPeersConfig;
+
+import java.util.Comparator;
+import java.util.List;
+import java.util.Optional;
+
+/**
+ * Lists the BGP peers configured in the system.
+ */
+@Command(scope = "onos", name = "bgp-peers",
+ description = "Lists all BGP peers")
+public class BgpPeersListCommand extends AbstractShellCommand {
+
+ private static final String FORMAT = "ip=%s, interface=%s";
+ private static final String NAME_FORMAT = "%s: " + FORMAT;
+ private static final String AUTO_SELECTION = "auto";
+ public static final String NO_PEERS = "No peers configured";
+
+ private static final Comparator<BgpPeersConfig.PeerConfig> PEER_COMPARATOR =
+ Comparator.comparing(p -> p.ip());
+ public static final String EMPTY = "";
+
+ @Override
+ protected void execute() {
+ NetworkConfigService configService = get(NetworkConfigService.class);
+ CoreService coreService = get(CoreService.class);
+
+ ApplicationId routerAppId = coreService.getAppId(RoutingService.ROUTER_APP_ID);
+ BgpConfig bgpConfig = configService.getConfig(routerAppId, RoutingService.CONFIG_CLASS);
+
+ ApplicationId sdxL3AppId = coreService.getAppId(SdxL3.SDX_L3_APP);
+ BgpPeersConfig peersConfig = configService.
+ getConfig(sdxL3AppId, BgpPeersConfig.class);
+
+ if (bgpConfig == null && peersConfig == null) {
+ print(NO_PEERS);
+ return;
+ }
+
+ List<IpAddress> peeringAddresses = Lists.newArrayList();
+ if (bgpConfig != null) {
+ peeringAddresses = getPeeringAddresses(bgpConfig);
+ }
+
+ List<BgpPeersConfig.PeerConfig> bgpPeers =
+ Lists.newArrayList();
+ if (peersConfig != null) {
+ bgpPeers.addAll(peersConfig.bgpPeers());
+ }
+
+ bgpPeers = mergePeers(peeringAddresses, bgpPeers);
+
+ if (bgpPeers.isEmpty()) {
+ print(NO_PEERS);
+ return;
+ }
+
+ bgpPeers.sort(PEER_COMPARATOR);
+ bgpPeers.forEach(p -> {
+ if (p.name().isPresent()) {
+ if (p.interfaceName() != EMPTY) {
+ print(NAME_FORMAT, p.name().get(), p.ip(), p.interfaceName());
+ } else {
+ print(NAME_FORMAT, p.name().get(), p.ip(), AUTO_SELECTION);
+ }
+ } else if (p.interfaceName() != EMPTY) {
+ print(FORMAT, p.ip(), p.interfaceName());
+ } else {
+ print(FORMAT, p.ip(), AUTO_SELECTION);
+ }
+ });
+ }
+
+ private List<IpAddress> getPeeringAddresses(BgpConfig bgpConfig) {
+ List<IpAddress> peeringAddresses = Lists.newArrayList();
+
+ List<BgpConfig.BgpSpeakerConfig> bgpSpeakers =
+ Lists.newArrayList(bgpConfig.bgpSpeakers());
+ bgpSpeakers.forEach(
+ s -> peeringAddresses.addAll(s.peers()));
+
+ return peeringAddresses;
+ }
+
+ private List<BgpPeersConfig.PeerConfig> mergePeers(
+ List<IpAddress> peeringAddresses,
+ List<BgpPeersConfig.PeerConfig> bgpPeers) {
+ peeringAddresses.forEach(a -> {
+ boolean exists = bgpPeers.stream()
+ .filter(p -> p.ip().equals(a))
+ .findAny().isPresent();
+ if (!exists) {
+ bgpPeers.add(new BgpPeersConfig
+ .PeerConfig(Optional.<String>empty(), a, EMPTY));
+ }
+ });
+
+ return bgpPeers;
+ }
+}