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corefx - changes to reuse deleted subnets

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This commit is contained in:
bharnden 2019-06-15 00:43:17 -07:00
parent 0661f5d601
commit 338439b429
2 changed files with 54 additions and 2 deletions
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23
corefx/src/main/java/com/core/graph/CoreAddresses.java
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@ -7,18 +7,31 @@ import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import java.util.Comparator;
import java.util.Queue;
import java.util.Set;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.atomic.AtomicBoolean;
public class CoreAddresses {
private static final Logger logger = LogManager.getLogger();
private IPAddress currentSubnet = new IPAddressString("10.0.0.0/24").getAddress();
private IPAddress currentSubnet = new IPAddressString("10.0.0.0/24").getAddress().toPrefixBlock();
private AtomicBoolean firstSubnet = new AtomicBoolean(true);
private Queue<IPAddress> deleted = new LinkedBlockingQueue<>();
public void reuseSubnet(IPAddress subnet) {
deleted.add(subnet);
}
public IPAddress nextSubnet() {
logger.info("getting next subnet: {}", currentSubnet);
if (!firstSubnet.getAndSet(false)) {
currentSubnet = currentSubnet.incrementBoundary(1).toPrefixBlock();
IPAddress deletedSubnet = deleted.poll();
if (deletedSubnet != null) {
currentSubnet = deletedSubnet;
} else {
currentSubnet = currentSubnet.incrementBoundary(1).toPrefixBlock();
}
}
logger.info("getting updated boundary: {}", currentSubnet);
return currentSubnet;
@ -43,6 +56,12 @@ public class CoreAddresses {
.orElseGet(() -> currentSubnet);
}
public void reset() {
deleted.clear();
firstSubnet.set(true);
currentSubnet = new IPAddressString("10.0.0.0/24").getAddress().toPrefixBlock();
}
public static void main(String... args) {
IPAddress addresses = new IPAddressString("10.0.0.0/16").getAddress();
System.out.println(String.format("address: %s", addresses.increment(257)));

33
corefx/src/main/java/com/core/graph/NetworkGraph.java
View file

@ -248,6 +248,7 @@ public class NetworkGraph {
}
nodeMap.clear();
graphViewer.repaint();
coreAddresses.reset();
}
public void updatePositions() {
@ -417,6 +418,38 @@ public class NetworkGraph {
private void handleEdgeRemoved(GraphEvent.Edge<CoreNode, CoreLink> edgeEvent) {
CoreLink link = edgeEvent.getEdge();
logger.info("removed edge: {}", link);
CoreNode nodeOne = getVertex(link.getNodeOne());
CoreInterface interfaceOne = link.getInterfaceOne();
CoreNode nodeTwo = getVertex(link.getNodeTwo());
CoreInterface interfaceTwo = link.getInterfaceTwo();
boolean nodeOneIsDefault = isNode(nodeOne);
boolean nodeTwoIsDefault = isNode(nodeTwo);
// check what we are unlinking
Set<CoreInterface> interfaces;
IPAddress subnet = null;
if (nodeOneIsDefault && nodeTwoIsDefault) {
subnet = interfaceOne.getIp4().toPrefixBlock();
logger.info("unlinking node to node reuse subnet: {}", subnet);
} else if (nodeOneIsDefault) {
interfaces = getNetworkInterfaces(nodeTwo, new HashSet<>());
if (interfaces.isEmpty()) {
subnet = interfaceOne.getIp4().toPrefixBlock();
logger.info("unlinking node one from network reuse subnet: {}", subnet);
}
} else if (nodeTwoIsDefault) {
interfaces = getNetworkInterfaces(nodeOne, new HashSet<>());
if (interfaces.isEmpty()) {
subnet = interfaceTwo.getIp4().toPrefixBlock();
logger.info("unlinking node two from network reuse subnet: {}", subnet);
}
} else {
logger.info("nothing to do when unlinking networks");
}
if (subnet != null) {
coreAddresses.reuseSubnet(subnet);
}
}
private void handleVertexAdded(GraphEvent.Vertex<CoreNode, CoreLink> vertexEvent) {