use of com.yahoo.jrt.StringArray in project vespa by vespa-engine.
the class BackendStatistics method invoke.
public void invoke(Request request) {
try {
Collection<ClusterSearcher> searchers = clusterSearchers(request);
List<String> backendIdentificators = new ArrayList<>();
List<Integer> activeConnections = new ArrayList<>();
List<Integer> totalConnections = new ArrayList<>();
for (ClusterSearcher searcher : searchers) {
for (Map.Entry<String, Backend.BackendStatistics> statistics : searcher.getBackendStatistics().entrySet()) {
backendIdentificators.add(statistics.getKey());
activeConnections.add(statistics.getValue().activeConnections);
totalConnections.add(statistics.getValue().totalConnections());
}
}
Values returnValues = request.returnValues();
returnValues.add(new StringArray(backendIdentificators.toArray(new String[0])));
addInt32Array(returnValues, activeConnections);
addInt32Array(returnValues, totalConnections);
} catch (Exception e) {
request.setError(1000, Exceptions.toMessageString(e));
}
}
use of com.yahoo.jrt.StringArray in project vespa by vespa-engine.
the class Register method handleRpcList.
private synchronized void handleRpcList(Request req) {
Values dst = req.returnValues();
dst.add(new StringArray(names.toArray(new String[names.size()])));
}
use of com.yahoo.jrt.StringArray in project vespa by vespa-engine.
the class FileDistributionRpcServer method getActiveFileReferencesStatus.
@SuppressWarnings({ "UnusedDeclaration" })
public final void getActiveFileReferencesStatus(Request req) {
Map<FileReference, Double> downloadStatus = downloader.downloadStatus();
String[] fileRefArray = new String[downloadStatus.keySet().size()];
fileRefArray = downloadStatus.keySet().stream().map(FileReference::value).collect(Collectors.toList()).toArray(fileRefArray);
double[] downloadStatusArray = new double[downloadStatus.values().size()];
int i = 0;
for (Double d : downloadStatus.values()) {
downloadStatusArray[i++] = d;
}
req.returnValues().add(new StringArray(fileRefArray));
req.returnValues().add(new DoubleArray(downloadStatusArray));
}
use of com.yahoo.jrt.StringArray in project vespa by vespa-engine.
the class RpcServer method handleRpcRequests.
public boolean handleRpcRequests(ContentCluster cluster, ClusterState systemState, NodeStateOrHostInfoChangeHandler changeListener, NodeAddedOrRemovedListener addedListener) {
boolean handledAnyRequests = false;
if (!isConnected()) {
long time = timer.getCurrentTimeInMillis();
try {
connect();
} catch (ListenFailedException e) {
if (!e.getMessage().equals(lastConnectError) || time - lastConnectErrorTime > 60 * 1000) {
lastConnectError = e.getMessage();
lastConnectErrorTime = time;
log.log(LogLevel.WARNING, "Failed to bind RPC server to port " + port + ": " + e.getMessage());
}
} catch (Exception e) {
if (!e.getMessage().equals(lastConnectError) || time - lastConnectErrorTime > 60 * 1000) {
lastConnectError = e.getMessage();
lastConnectErrorTime = time;
log.log(LogLevel.WARNING, "Failed to initailize RPC server socket: " + e.getMessage());
}
}
}
for (int j = 0; j < 10; ++j) {
// Max perform 10 RPC requests per cycle.
Request req;
synchronized (monitor) {
if (rpcRequests.isEmpty())
break;
Iterator<Request> it = rpcRequests.iterator();
req = it.next();
it.remove();
handledAnyRequests = true;
}
try {
if (req.methodName().equals("getMaster")) {
log.log(LogLevel.DEBUG, "Resolving RPC getMaster request");
Integer master = masterHandler.getMaster();
String masterReason = masterHandler.getMasterReason();
req.returnValues().add(new Int32Value(master == null ? -1 : master));
req.returnValues().add(new StringValue(masterReason == null ? "No reason given" : masterReason));
req.returnRequest();
continue;
}
if (!masterHandler.isMaster()) {
throw new IllegalStateException("Refusing to answer RPC calls as we are not the master fleetcontroller.");
}
if (req.methodName().equals("getNodeList")) {
log.log(LogLevel.DEBUG, "Resolving RPC getNodeList request");
List<String> slobrok = new ArrayList<String>();
List<String> rpc = new ArrayList<String>();
for (NodeInfo node : cluster.getNodeInfo()) {
String s1 = node.getSlobrokAddress();
String s2 = node.getRpcAddress();
assert (s1 != null);
slobrok.add(s1);
rpc.add(s2 == null ? "" : s2);
}
req.returnValues().add(new StringArray(slobrok.toArray(new String[slobrok.size()])));
req.returnValues().add(new StringArray(rpc.toArray(new String[rpc.size()])));
req.returnRequest();
} else if (req.methodName().equals("getSystemState")) {
log.log(LogLevel.DEBUG, "Resolving RPC getSystemState request");
req.returnValues().add(new StringValue(""));
req.returnValues().add(new StringValue(systemState.toString(true)));
req.returnRequest();
} else if (req.methodName().equals("getNodeState")) {
log.log(LogLevel.DEBUG, "Resolving RPC getNodeState request");
NodeType nodeType = NodeType.get(req.parameters().get(0).asString());
int nodeIndex = req.parameters().get(1).asInt32();
Node node = new Node(nodeType, nodeIndex);
// First parameter is current state in system state
NodeState ns = systemState.getNodeState(node);
req.returnValues().add(new StringValue(systemState.getNodeState(node).serialize()));
// Second parameter is state node is reporting
NodeInfo nodeInfo = cluster.getNodeInfo(node);
if (nodeInfo == null)
throw new RuntimeException("No node " + node + " exists in cluster " + cluster.getName());
NodeState fromNode = nodeInfo.getReportedState();
req.returnValues().add(new StringValue(fromNode == null ? "unknown" : fromNode.serialize()));
// Third parameter is state node has been requested to be in
req.returnValues().add(new StringValue(nodeInfo.getWantedState().serialize()));
// Fourth parameter is RPC address of node
req.returnValues().add(new StringValue(nodeInfo.getRpcAddress() == null ? "" : nodeInfo.getRpcAddress()));
req.returnRequest();
} else if (req.methodName().equals("setNodeState")) {
String slobrokAddress = req.parameters().get(0).asString();
int lastSlash = slobrokAddress.lastIndexOf('/');
int nextButLastSlash = slobrokAddress.lastIndexOf('/', lastSlash - 1);
if (lastSlash == -1 || nextButLastSlash == -1) {
throw new IllegalStateException("Invalid slobrok address '" + slobrokAddress + "'.");
}
NodeType nodeType = NodeType.get(slobrokAddress.substring(nextButLastSlash + 1, lastSlash));
Integer nodeIndex = Integer.valueOf(slobrokAddress.substring(lastSlash + 1));
NodeInfo node = cluster.getNodeInfo(new Node(nodeType, nodeIndex));
if (node == null)
throw new IllegalStateException("Cannot set wanted state of node " + new Node(nodeType, nodeIndex) + ". Index does not correspond to a configured node.");
NodeState nodeState = NodeState.deserialize(nodeType, req.parameters().get(1).asString());
if (nodeState.getDescription().equals("") && !nodeState.getState().equals(State.UP) && !nodeState.getState().equals(State.RETIRED)) {
nodeState.setDescription("Set by remote RPC client");
}
NodeState oldState = node.getUserWantedState();
String message = (nodeState.getState().equals(State.UP) ? "Clearing wanted nodeState for node " + node : "New wantedstate '" + nodeState.toString() + "' stored for node " + node);
if (!oldState.equals(nodeState) || !oldState.getDescription().equals(nodeState.getDescription())) {
if (!nodeState.getState().validWantedNodeState(nodeType)) {
throw new IllegalStateException("State " + nodeState.getState() + " can not be used as wanted state for node of type " + nodeType);
}
node.setWantedState(nodeState);
changeListener.handleNewWantedNodeState(node, nodeState);
} else {
message = "Node " + node + " already had wanted state " + nodeState.toString();
log.log(LogLevel.DEBUG, message);
}
req.returnValues().add(new StringValue(message));
req.returnRequest();
if (nodeState.getState() == State.UP && node.getPrematureCrashCount() > 0) {
log.log(LogLevel.INFO, "Clearing premature crash count of " + node.getPrematureCrashCount() + " as wanted state was set to up");
node.setPrematureCrashCount(0);
}
}
} catch (Exception e) {
if (log.isLoggable(LogLevel.DEBUG)) {
StringWriter sw = new StringWriter();
e.printStackTrace(new PrintWriter(sw));
log.log(LogLevel.DEBUG, "Failed RPC Request: " + sw);
}
String errorMsg = e.getMessage();
if (errorMsg == null) {
errorMsg = e.toString();
}
req.setError(ErrorCode.METHOD_FAILED, errorMsg);
req.returnRequest();
}
}
return handledAnyRequests;
}
use of com.yahoo.jrt.StringArray in project vespa by vespa-engine.
the class FileDistributionImpl method startDownloadingFileReferences.
// Notifies config proxy which file references it should start downloading. It's OK if the call does not succeed,
// as downloading will then start synchronously when a service requests a file reference instead
private void startDownloadingFileReferences(String hostName, int port, Set<FileReference> fileReferences) {
Target target = supervisor.connect(new Spec(hostName, port));
double timeout = 0.1;
Request request = new Request("filedistribution.setFileReferencesToDownload");
request.parameters().add(new StringArray(fileReferences.stream().map(FileReference::value).toArray(String[]::new)));
log.log(LogLevel.DEBUG, "Executing " + request.methodName() + " against " + target.toString());
target.invokeSync(request, timeout);
if (request.isError() && request.errorCode() != ErrorCode.CONNECTION) {
log.log(LogLevel.DEBUG, request.methodName() + " failed: " + request.errorCode() + " (" + request.errorMessage() + ")");
}
target.close();
}
Aggregations