Remove SDN-IP TODOs

Change-Id: I59b510ba95d4f76600d23d79a81964c2ef290a56

@@ -295,10 +295,6 @@ public class IntentSynchronizer {
                     routeIntents.put(prefix, intent);
                 if (isElectedLeader && isActivatedLeader) {
                     if (oldIntent != null) {
-                        //
-                        // TODO: Short-term solution to explicitly withdraw
-                        // instead of using "replace" operation.
-                        //
                         log.trace("SDN-IP Withdrawing old intent: {}",
                                   oldIntent);
                         withdrawBuilder.addWithdrawOperation(oldIntent.id());
@@ -390,7 +386,6 @@ public class IntentSynchronizer {
                         IPCriterion ipCriterion = (IPCriterion) c;
                         Ip4Prefix ip4Prefix = ipCriterion.ip().getIp4Prefix();
                         if (ip4Prefix == null) {
-                            // TODO: For now we support only IPv4
                             continue;
                         }
                         log.trace("SDN-IP Intent Synchronizer: updating " +

@@ -94,7 +94,6 @@ public class PeerConnectivityManager {
      * Stops the peer connectivity manager.
      */
     public void stop() {
-        // TODO: Implement it
     }
 
     /**

@@ -29,6 +29,11 @@ import java.util.concurrent.Executors;
 import java.util.concurrent.LinkedBlockingQueue;
 
 import org.apache.commons.lang3.tuple.Pair;
+import org.onlab.packet.Ethernet;
+import org.onlab.packet.Ip4Address;
+import org.onlab.packet.Ip4Prefix;
+import org.onlab.packet.IpAddress;
+import org.onlab.packet.MacAddress;
 import org.onosproject.core.ApplicationId;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.Host;
@@ -43,11 +48,6 @@ import org.onosproject.net.intent.MultiPointToSinglePointIntent;
 import org.onosproject.sdnip.config.BgpPeer;
 import org.onosproject.sdnip.config.Interface;
 import org.onosproject.sdnip.config.SdnIpConfigurationService;
-import org.onlab.packet.Ethernet;
-import org.onlab.packet.IpAddress;
-import org.onlab.packet.Ip4Address;
-import org.onlab.packet.Ip4Prefix;
-import org.onlab.packet.MacAddress;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -294,7 +294,6 @@ public class Router implements RouteListener {
         if (nextHopMacAddress == null) {
             Set<Host> hosts = hostService.getHostsByIp(routeEntry.nextHop());
             if (!hosts.isEmpty()) {
-                // TODO how to handle if multiple hosts are returned?
                 nextHopMacAddress = hosts.iterator().next().mac();
             }
             if (nextHopMacAddress != null) {
@@ -406,7 +405,6 @@ public class Router implements RouteListener {
         }
 
         routesWaitingOnArp.remove(routeEntry.nextHop(), routeEntry);
-        // TODO cancel the request in the ARP manager as well
     }
 
     /**
@@ -421,10 +419,6 @@ public class Router implements RouteListener {
     private void updateMac(Ip4Address ipAddress, MacAddress macAddress) {
         log.debug("Received updated MAC info: {} => {}", ipAddress, macAddress);
 
-        // TODO here we should check whether the next hop for any of our
-        // installed prefixes has changed, not just prefixes pending
-        // installation.
-
         // We synchronize on this to prevent changes to the radix tree
         // while we're pushing intents. If the tree changes, the
         // tree and intents could get out of sync.
@@ -505,7 +499,6 @@ public class Router implements RouteListener {
                 for (IpAddress ip : host.ipAddresses()) {
                     Ip4Address ip4Address = ip.getIp4Address();
                     if (ip4Address == null) {
-                        // TODO: For now we support only IPv4
                         continue;
                     }
                     updateMac(ip4Address, host.mac());
@@ -515,7 +508,6 @@ public class Router implements RouteListener {
                 for (IpAddress ip : host.ipAddresses()) {
                     Ip4Address ip4Address = ip.getIp4Address();
                     if (ip4Address == null) {
-                        // TODO: For now we support only IPv4
                         continue;
                     }
                     ip2Mac.remove(ip4Address);

@@ -115,8 +115,6 @@ public class SdnIp implements SdnIpService {
 
         bgpSessionManager = new BgpSessionManager(router);
         bgpSessionManager.start(bgpPort);
-
-        // TODO need to disable link discovery on external ports
     }
 
     @Deactivate

@@ -36,8 +36,6 @@ public class SdnIpConfigurationReader implements SdnIpConfigurationService {
 
     private final Logger log = LoggerFactory.getLogger(getClass());
 
-    // Current working dir seems to be /opt/onos/apache-karaf-3.0.2
-    // TODO: Set the path to /opt/onos/config
     private static final String CONFIG_DIR = "../config";
     private static final String DEFAULT_CONFIG_FILE = "sdnip.json";
     private String configFileName = DEFAULT_CONFIG_FILE;

@@ -678,8 +678,6 @@ public class PeerConnectivityManagerTest extends AbstractIntentTest {
     /**
      * Tests a corner case, when there is no Interface configured for one BGP
      * speaker.
-     * TODO: we should add a configuration correctness checking module/method
-     * before testing this corner case.
      */
     @Ignore
     @Test