public void addResult(RPCInfo<FindNodeResponse> rpcInfo) {
FindNodeResponse response = rpcInfo.getRPC();
BigInteger found = response.getFoundNodeID();
String foundNodeString = found.toString(16);
try {
if (queriedNodes.contains(found)) {
logger.debug("Node " + foundNodeString + " already queried");
} else if (queriedNodes.size() < maxQueries) {
logger.debug("Found node " + foundNodeString);
closestNode =
new KademliaNode(found, response.getIpAddressInet(), response.getPortInteger());
results.add(closestNode);
BigInteger delta = found.xor(searchedNode);
if (delta.compareTo(distanceFromClosest) < 0) {
distanceFromClosest = delta;
requestNode(rpcID, closestNode);
}
} else {
logger.debug("Max queries reached, terminating find node");
actualStatus = Status.ENDED;
}
} catch (UnknownHostException e) {
logger.warn(e);
}
}
public void run() {
actualStatus = Status.PROCESSING;
// 返回的结果是20个节点，
results =
new ClosestNodes(
Integer.parseInt(System.getProperty("jkademlia.findnode.maxnodes")), searchedNode);
logger.info("Looking for closest nodes to " + searchedNodeString);
closestNode = contacts.findContact(searchedNode);
if (closestNode != null) results.add(closestNode);
int amount = Integer.parseInt(System.getProperty("jkademlia.contacts.findamount"));
// 现在自己的k桶表里面查找节点，同时进行的是3个
List<KademliaNode> closestNodes = contacts.findClosestContacts(searchedNode, amount);
// 找到之后要对这些节点进行消息确认，发送请求
if (closestNodes.size() > 0) {
for (KademliaNode node : closestNodes) requestNode(rpcID, node);
}
actualStatus = Status.WAITING;
}
public synchronized List<KademliaNode> getResults() {
return results.toList();
}
