/** Resolve the address this field points to */
void resolve() {
value = node.address();
resolved = true;
}
/**
* Show ring
*
* @param model
* @throws Exception
*/
@SuppressWarnings({"rawtypes", "unchecked"})
@RequestMapping(value = "/ring/", method = RequestMethod.GET)
public void describeRing(ModelMap model) throws Exception {
NodeProbe probe = clientProvider.getProbe();
if (probe == null) {
// TODO JMX Connection failed
throw new RuntimeException("JMX Connection failed.");
}
Set<String> liveNodes = probe.getLiveNodes();
Set<String> deadNodes = probe.getUnreachableNodes();
Set<String> joiningNodes = probe.getJoiningNodes();
Set<String> leavingNodes = probe.getLeavingNodes();
Map<String, String> loadMap = probe.getLoadMap();
Map<Token, String> endpointMap = probe.getTokenToEndpointMap();
List<Node> nodes = new ArrayList<Node>(endpointMap.size());
List<Token> sortedTokens = new ArrayList<Token>(endpointMap.keySet());
Collections.sort(sortedTokens);
for (Object token : sortedTokens) {
String primaryEndpoint = endpointMap.get(token);
Node node = new Node();
node.address = primaryEndpoint;
node.token = token.toString();
node.load = loadMap.get(node.address);
node.up =
liveNodes.contains(primaryEndpoint)
? "up"
: deadNodes.contains(primaryEndpoint) ? "down" : "?";
node.state =
joiningNodes.contains(primaryEndpoint)
? "Joining"
: leavingNodes.contains(primaryEndpoint) ? "Leaving" : "Normal";
if (node.load == null) {
node.load = "?";
}
nodes.add(node);
NodeProbe inProbe = clientProvider.getProbe(node.address);
if (inProbe != null) {
node.operationMode = inProbe.getOperationMode();
node.uptime = getUptimeString(inProbe.getUptime());
node.jmx = true;
MemoryUsage memory = inProbe.getHeapMemoryUsage();
node.memoryUsed = String.format("%.2f MB", (double) memory.getUsed() / (1024 * 1024));
node.memoryMax = String.format("%.2f MB", (double) memory.getMax() / (1024 * 1024));
node.memoryCommited =
String.format("%.2f MB", (double) memory.getCommitted() / (1024 * 1024));
}
}
// List live nodes which are not in range.
for (String deadAddress : deadNodes) {
Node deadNode = new Node();
deadNode.address = deadAddress;
deadNode.load = loadMap.get(deadAddress);
NodeProbe inProbe = clientProvider.getProbe(deadAddress);
if (inProbe != null) {
deadNode.operationMode = inProbe.getOperationMode();
deadNode.uptime = getUptimeString(inProbe.getUptime());
}
}
model.put("nodes", nodes);
model.put("menu_ring", Boolean.TRUE);
}
