package be.nikiroo.fanfix.library;
import java.io.IOException;
-import java.security.InvalidParameterException;
+import java.net.URL;
+import java.util.ArrayList;
import java.util.List;
import be.nikiroo.fanfix.Instance;
+import be.nikiroo.fanfix.data.Chapter;
import be.nikiroo.fanfix.data.MetaData;
+import be.nikiroo.fanfix.data.Paragraph;
import be.nikiroo.fanfix.data.Story;
+import be.nikiroo.utils.Progress;
+import be.nikiroo.utils.Progress.ProgressListener;
+import be.nikiroo.utils.StringUtils;
import be.nikiroo.utils.Version;
import be.nikiroo.utils.serial.server.ConnectActionServerObject;
import be.nikiroo.utils.serial.server.ServerObject;
/**
* Create a new remote server that will listen for order on the given port.
* <p>
- * The available commands are given as String arrays (first item is the key,
- * second is the command, the rest are the arguments):
+ * The available commands are given as arrays of objects (first item is the key,
+ * second is the command, the rest are the arguments).
+ * <p>
+ * The md5 is always a String (the MD5 hash of the access key), the commands are
+ * also Strings; the parameters vary depending upon the command.
* <ul>
- * <li>KEY GET_METADATA *: will return the metadata of all the stories in the
- * library</li>
- * <li>KEY GET_STORY [luid]: will return the given story if it exists (or NULL
+ * <li>[md5] PING: will return PONG if the key is accepted</li>
+ * <li>[md5] GET_METADATA *: will return the metadata of all the stories in the
+ * library (array)</li>
+ * *
+ * <li>[md5] GET_METADATA [luid]: will return the metadata of the story of LUID
+ * luid</li>
+ * <li>[md5] GET_STORY [luid]: will return the given story if it exists (or NULL
* if not)</li>
- * <li>KEY SAVE_STORY [story] [luid]: save the story with the given LUID</li>
- * <li>KEY DELETE_STORY [luid]: delete the story of LUID luid</li>
- * <li>KEY GET_COVER [luid]: return the cover of the story</li>
- * <li>KEY GET_SOURCE_COVER [source]: return the cover for this source</li>
- * <li>KEY SET_SOURCE_COVER [source], [luid]: set the default cover for the
+ * <li>[md5] SAVE_STORY [luid]: save the story (that must be sent just after the
+ * command) with the given LUID, then return the LUID</li>
+ * <li>[md5] IMPORT [url]: save the story found at the given URL, then return
+ * the LUID</li>
+ * <li>[md5] DELETE_STORY [luid]: delete the story of LUID luid</li>
+ * <li>[md5] GET_COVER [luid]: return the cover of the story</li>
+ * <li>[md5] GET_SOURCE_COVER [source]: return the cover for this source</li>
+ * <li>[md5] SET_SOURCE_COVER [source], [luid]: set the default cover for the
* given source to the cover of the story denoted by luid</li>
- * <li>KEY EXIT: stop the server</li>
+ * <li>[md5] CHANGE_SOURCE [luid] [new source]: change the source of the story
+ * of LUID luid</li>
+ * <li>[md5] EXIT: stop the server</li>
* </ul>
*
* @author niki
*/
public class RemoteLibraryServer extends ServerObject {
- private final String key;
+ private final String md5;
/**
* Create a new remote server (will not be active until
* in case of I/O error
*/
public RemoteLibraryServer(String key, int port) throws IOException {
- super(port, true);
- this.key = key;
+ super("Fanfix remote library", port, true);
+ this.md5 = StringUtils.getMd5Hash(key);
+
+ setTraceHandler(Instance.getTraceHandler());
}
@Override
protected Object onRequest(ConnectActionServerObject action,
Version clientVersion, Object data) throws Exception {
- String key = "";
+ String md5 = "";
String command = "";
Object[] args = new Object[0];
if (data instanceof Object[]) {
Object[] dataArray = (Object[]) data;
if (dataArray.length >= 2) {
+ md5 = "" + dataArray[0];
+ command = "" + dataArray[1];
+
args = new Object[dataArray.length - 2];
for (int i = 2; i < dataArray.length; i++) {
args[i - 2] = dataArray[i];
}
-
- key = "" + dataArray[0];
- command = "" + dataArray[1];
}
}
- System.out.print("[" + command + "] ");
+ String trace = "[" + command + "] ";
for (Object arg : args) {
- System.out.print(arg + " ");
+ trace += arg + " ";
}
- System.out.println("");
+ getTraceHandler().trace(trace);
- if (!key.equals(this.key)) {
- System.out.println("Key rejected.");
- throw new SecurityException("Invalid key");
+ if (!md5.equals(this.md5)) {
+ getTraceHandler().trace("Key rejected.");
+ return null;
}
- // TODO: progress (+send name + %age info back to client)
-
- if ("GET_METADATA".equals(command)) {
- if (args[0].equals("*")) {
- List<MetaData> metas = Instance.getLibrary().getMetas(null);
+ if ("PING".equals(command)) {
+ return "PONG";
+ } else if ("GET_METADATA".equals(command)) {
+ if ("*".equals(args[0])) {
+ List<MetaData> metas = Instance.getLibrary().getMetas(
+ createPgForwarder(action));
return metas.toArray(new MetaData[] {});
}
- throw new InvalidParameterException(
- "only * is valid here, but you passed: " + args[0]);
+
+ return new MetaData[] { Instance.getLibrary().getInfo(
+ (String) args[0]) };
} else if ("GET_STORY".equals(command)) {
- return Instance.getLibrary().getStory("" + args[0], null);
+ MetaData meta = Instance.getLibrary().getInfo((String) args[0]);
+ meta = meta.clone();
+ meta.setCover(null);
+
+ action.send(meta);
+ action.rec();
+
+ Story story = Instance.getLibrary()
+ .getStory((String) args[0], null);
+ for (Object obj : breakStory(story)) {
+ action.send(obj);
+ action.rec();
+ }
} else if ("SAVE_STORY".equals(command)) {
- Instance.getLibrary().save((Story) args[0], "" + args[1], null);
+ List<Object> list = new ArrayList<Object>();
+
+ action.send(null);
+ Object obj = action.rec();
+ while (obj != null) {
+ list.add(obj);
+ action.send(null);
+ obj = action.rec();
+ }
+
+ Story story = rebuildStory(list);
+ Instance.getLibrary().save(story, (String) args[0], null);
+ return story.getMeta().getLuid();
+ } else if ("IMPORT".equals(command)) {
+ Story story = Instance.getLibrary().imprt(
+ new URL((String) args[0]), createPgForwarder(action));
+ return story.getMeta().getLuid();
} else if ("DELETE_STORY".equals(command)) {
- Instance.getLibrary().delete("" + args[0]);
+ Instance.getLibrary().delete((String) args[0]);
} else if ("GET_COVER".equals(command)) {
- return Instance.getLibrary().getCover("" + args[0]);
+ return Instance.getLibrary().getCover((String) args[0]);
} else if ("GET_SOURCE_COVER".equals(command)) {
- return Instance.getLibrary().getSourceCover("" + args[0]);
+ return Instance.getLibrary().getSourceCover((String) args[0]);
} else if ("SET_SOURCE_COVER".equals(command)) {
- Instance.getLibrary().setSourceCover("" + args[0], "" + args[1]);
+ Instance.getLibrary().setSourceCover((String) args[0],
+ (String) args[1]);
+ } else if ("CHANGE_SOURCE".equals(command)) {
+ Instance.getLibrary().changeSource((String) args[0],
+ (String) args[1], createPgForwarder(action));
} else if ("EXIT".equals(command)) {
stop(0, false);
}
return null;
}
+
+ @Override
+ protected void onError(Exception e) {
+ getTraceHandler().error(e);
+ }
+
+ /**
+ * Break a story in multiple {@link Object}s for easier serialisation.
+ *
+ * @param story
+ * the {@link Story} to break
+ *
+ * @return the list of {@link Object}s
+ */
+ static List<Object> breakStory(Story story) {
+ List<Object> list = new ArrayList<Object>();
+
+ story = story.clone();
+ list.add(story);
+
+ if (story.getMeta().isImageDocument()) {
+ for (Chapter chap : story) {
+ list.add(chap);
+ list.addAll(chap.getParagraphs());
+ chap.setParagraphs(new ArrayList<Paragraph>());
+ }
+ story.setChapters(new ArrayList<Chapter>());
+ }
+
+ return list;
+ }
+
+ /**
+ * Rebuild a story from a list of broke up {@link Story} parts.
+ *
+ * @param list
+ * the list of {@link Story} parts
+ *
+ * @return the reconstructed {@link Story}
+ */
+ static Story rebuildStory(List<Object> list) {
+ Story story = null;
+ Chapter chap = null;
+
+ for (Object obj : list) {
+ if (obj instanceof Story) {
+ story = (Story) obj;
+ } else if (obj instanceof Chapter) {
+ chap = (Chapter) obj;
+ story.getChapters().add(chap);
+ } else if (obj instanceof Paragraph) {
+ chap.getParagraphs().add((Paragraph) obj);
+ }
+ }
+
+ return story;
+ }
+
+ /**
+ * Update the {@link Progress} with the adequate {@link Object} received
+ * from the network via {@link RemoteLibraryServer}.
+ *
+ * @param pg
+ * the {@link Progress} to update
+ * @param rep
+ * the object received from the network
+ *
+ * @return TRUE if it was a progress event, FALSE if not
+ */
+ static boolean updateProgress(Progress pg, Object rep) {
+ if (rep instanceof Integer[]) {
+ Integer[] a = (Integer[]) rep;
+ if (a.length == 3) {
+ int min = a[0];
+ int max = a[1];
+ int progress = a[2];
+
+ if (min >= 0 && min <= max) {
+ pg.setMinMax(min, max);
+ pg.setProgress(progress);
+
+ return true;
+ }
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * Create a {@link Progress} that will forward its progress over the
+ * network.
+ *
+ * @param action
+ * the {@link ConnectActionServerObject} to use to forward it
+ *
+ * @return the {@link Progress}
+ */
+ private static Progress createPgForwarder(
+ final ConnectActionServerObject action) {
+ final Progress pg = new Progress();
+ final Integer[] p = new Integer[] { -1, -1, -1 };
+ pg.addProgressListener(new ProgressListener() {
+ @Override
+ public void progress(Progress progress, String name) {
+ int min = pg.getMin();
+ int max = pg.getMax();
+ int relativeProgress = min
+ + (int) Math.round(pg.getRelativeProgress()
+ * (max - min));
+
+ // Do not re-send the same value twice over the wire
+ if (p[0] != min || p[1] != max || p[2] != relativeProgress) {
+ p[0] = min;
+ p[1] = max;
+ p[2] = relativeProgress;
+
+ try {
+ action.send(new Integer[] { min, max, relativeProgress });
+ action.rec();
+ } catch (Exception e) {
+ Instance.getTraceHandler().error(e);
+ }
+ }
+ }
+ });
+
+ return pg;
+ }
}