From c4ecc65b0832a2edce1a043db39a7c678e218af9 Mon Sep 17 00:00:00 2001
From: =?utf8?q?David=20=E2=80=98Bombe=E2=80=99=20Roden?=
 <bombe@pterodactylus.net>
Date: Sat, 23 May 2009 17:23:21 +0200
Subject: [PATCH] Start implementation of request loading when a node connects.

---
 .../pterodactylus/jsite/core/RequestManager.java   | 78 ++++++++++++++++++++--
 1 file changed, 73 insertions(+), 5 deletions(-)

diff --git a/src/net/pterodactylus/jsite/core/RequestManager.java b/src/net/pterodactylus/jsite/core/RequestManager.java
index 8066a12..cc381cf 100644
--- a/src/net/pterodactylus/jsite/core/RequestManager.java
+++ b/src/net/pterodactylus/jsite/core/RequestManager.java
@@ -20,6 +20,18 @@
 package net.pterodactylus.jsite.core;
 
 import java.io.IOException;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+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.fcp.highlevel.Request;
+import net.pterodactylus.jsite.util.IdGenerator;
+import net.pterodactylus.util.number.Hex;
 
 /**
  * Manages requests.
@@ -28,9 +40,15 @@ import java.io.IOException;
  */
 public class RequestManager implements NodeListener {
 
+	/** The logger. */
+	private static final Logger logger = Logger.getLogger(RequestManager.class.getName());
+
 	/** 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.
 	 *
@@ -46,13 +64,42 @@ public class RequestManager implements NodeListener {
 	//
 
 	public void load() throws IOException {
-
 	}
 
 	public void save() throws IOException {
 	}
 
 	//
+	// 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;
+		}
+		try {
+			Hex.toByte(projectIdString);
+		} catch (NumberFormatException nfe1) {
+			return false;
+		}
+		return true;
+	}
+
+	//
 	// INTERFACE NodeListener
 	//
 
@@ -60,21 +107,42 @@ public class RequestManager implements 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 = 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. */
 	}
 
 	/**
@@ -88,7 +156,7 @@ public class RequestManager implements NodeListener {
 	 * {@inheritDoc}
 	 */
 	public void nodeRemoved(Node node) {
-		/* TODO */
+		/* ignore. */
 	}
 
 }
-- 
2.7.4