package net.pterodactylus.jsite.core;
import java.io.IOException;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import net.pterodactylus.fcp.highlevel.FcpClient;
+import net.pterodactylus.fcp.highlevel.FcpException;
+import net.pterodactylus.jsite.util.IdGenerator;
+import net.pterodactylus.util.number.Hex;
/**
* Manages requests.
*/
public class RequestManager implements NodeListener {
+ /** The logger. */
+ private static final Logger logger = Logger.getLogger(RequestManager.class.getName());
+
+ /** Request event manager. */
+ private final RequestListenerManager requestListenerManager = new RequestListenerManager();
+
+ /** The node manager. */
+ private final NodeManager nodeManager;
+
+ /** Maps request IDs to requests. */
+ private final Map<String, Request> idRequests = Collections.synchronizedMap(new HashMap<String, Request>());
+
+ /**
+ * Creates a new request manager.
+ *
+ * @param nodeManager
+ * The node manager to utilize
+ */
+ public RequestManager(NodeManager nodeManager) {
+ this.nodeManager = nodeManager;
+ }
+
+ //
+ // LISTENER MANAGEMENT
+ //
+
+ /**
+ * Adds the given request listener to the list of registered listeners.
+ *
+ * @see RequestListenerManager#addListener(RequestListener)
+ * @param requestListener
+ * The request listener to add
+ */
+ public void addRequestListener(RequestListener requestListener) {
+ requestListenerManager.addListener(requestListener);
+ }
+
+ /**
+ * Removes the given request listener from the list of registered listeners.
+ *
+ * @see RequestListenerManager#removeListener(RequestListener)
+ * @param requestListener
+ * The request listener to remove
+ */
+ public void removeRequestListener(RequestListener requestListener) {
+ requestListenerManager.removeListener(requestListener);
+ }
+
//
// ACTIONS
//
public void load() throws IOException {
-
}
public void save() throws IOException {
}
+ /**
+ * Starts inserting the given project.
+ *
+ * @param project
+ * The project to insert
+ * @throws JSiteException
+ * if the project’s node is not connected, or no node is
+ * connected at all
+ */
+ public void insertProject(Project project) throws JSiteException {
+ Request request = new Request();
+ request.setClientToken(generateClientToken(project));
+ Node wantedNode = project.getNode();
+ if (wantedNode == null) {
+ for (Node node : nodeManager.getNodes()) {
+ if (nodeManager.getFcpClient(node) != null) {
+ wantedNode = node;
+ break;
+ }
+ }
+ }
+ if (wantedNode == null) {
+ /* TODO use custom exception */
+ throw new JSiteException("No node connected.");
+ }
+ FcpClient fcpClient = nodeManager.getFcpClient(wantedNode);
+ }
+
+ //
+ // PRIVATE METHODS
+ //
+
+ /**
+ * Checks whether the given client token is a client token created by this
+ * request manager.
+ *
+ * @param clientToken
+ * The client token to check
+ * @return {@code true} if the client token was created by this request
+ * manager, {@code false} otherwise
+ */
+ private boolean isKnownClientToken(String clientToken) {
+ String[] clientTokenParts = clientToken.split("\\.");
+ if (clientTokenParts.length != 3) {
+ return false;
+ }
+ String projectIdString = clientTokenParts[0];
+ if (projectIdString.length() != (IdGenerator.DEFAULT_LENGTH * 2)) {
+ return false;
+ }
+ int clientTokenHashCode = -1;
+ try {
+ Hex.toByte(projectIdString);
+ Long.valueOf(clientTokenParts[1]);
+ clientTokenHashCode = Integer.valueOf(clientTokenParts[2]);
+ } catch (NumberFormatException nfe1) {
+ return false;
+ }
+ if ((clientTokenParts[0] + "." + clientTokenParts[1]).hashCode() != clientTokenHashCode) {
+ return false;
+ }
+ return true;
+ }
+
+ /**
+ * Generates a client token for the given project.
+ *
+ * @param project
+ * The project to generate a client token for
+ * @return The generated client token
+ */
+ public String generateClientToken(Project project) {
+ String clientToken = project.getId() + "." + System.currentTimeMillis();
+ clientToken += "." + clientToken.hashCode();
+ return clientToken;
+ }
+
+ /**
+ * Wraps the requests of the FCP API into jSite requests.
+ *
+ * @param requests
+ * The requests to wrap
+ * @return The wrapped requests
+ */
+ private Collection<Request> wrapRequests(Collection<net.pterodactylus.fcp.highlevel.Request> requests) {
+ Collection<Request> wrappedRequests = new HashSet<Request>();
+ for (net.pterodactylus.fcp.highlevel.Request request : requests) {
+ Request wrappedRequest = new Request(request.getIdentifier());
+ wrappedRequest.setClientToken(request.getClientToken());
+ wrappedRequests.add(wrappedRequest);
+ }
+ return wrappedRequests;
+ }
+
//
// INTERFACE NodeListener
//
* {@inheritDoc}
*/
public void nodeAdded(Node node) {
- /* TODO */
+ /* ignore. */
}
/**
* {@inheritDoc}
*/
public void nodeConnected(Node node) {
- /* TODO */
+ FcpClient fcpClient = nodeManager.getFcpClient(node);
+ if (fcpClient == null) {
+ logger.log(Level.WARNING, "Got no FCP client for node (" + node + ")!");
+ return;
+ }
+ try {
+ Collection<Request> requests = wrapRequests(fcpClient.getRequests(true));
+ for (Request request : requests) {
+ String clientToken = request.getClientToken();
+ if ((clientToken == null) || (clientToken.trim().length() == 0)) {
+ continue;
+ }
+ if (!isKnownClientToken(clientToken)) {
+ continue;
+ }
+ /* TODO - process request. */
+ }
+ } catch (IOException ioe1) {
+ logger.log(Level.WARNING, "Could not get requests from node (" + node + ")!", ioe1);
+ } catch (FcpException fe1) {
+ logger.log(Level.WARNING, "Could not get requests from node (" + node + ")!", fe1);
+ }
}
/**
* {@inheritDoc}
*/
public void nodeConnectionFailed(Node node, Throwable cause) {
- /* TODO */
+ /* ignore. */
}
/**
* {@inheritDoc}
*/
public void nodeRemoved(Node node) {
- /* TODO */
+ /* ignore. */
}
}
projects / jSite2.git / blobdiff