749 lines
24 KiB
Java
749 lines
24 KiB
Java
/*
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* Copyright 2016 Hippo Seven
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.hippo.ehviewer.spider;
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import android.os.Process;
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import android.util.Log;
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import androidx.annotation.IntDef;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.annotation.UiThread;
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import androidx.collection.LongSparseArray;
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import com.hippo.ehviewer.EhApplication;
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import com.hippo.ehviewer.GetText;
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import com.hippo.ehviewer.R;
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import com.hippo.ehviewer.client.EhRequestBuilder;
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import com.hippo.ehviewer.client.EhUrl;
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import com.hippo.ehviewer.client.data.GalleryInfo;
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import com.hippo.ehviewer.client.data.PreviewSet;
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import com.hippo.ehviewer.client.exception.ParseException;
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import com.hippo.ehviewer.client.parser.GalleryDetailParser;
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import com.hippo.ehviewer.client.parser.GalleryMultiPageViewerPTokenParser;
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import com.hippo.ehviewer.client.parser.GalleryPageUrlParser;
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import com.hippo.image.Image;
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import com.hippo.unifile.UniFile;
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import com.hippo.util.ExceptionUtils;
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import com.hippo.yorozuya.OSUtils;
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import com.hippo.yorozuya.thread.PriorityThread;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.atomic.AtomicInteger;
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import java.util.concurrent.atomic.AtomicReference;
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import eu.kanade.tachiyomi.ui.reader.loader.PageLoader;
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import kotlin.Pair;
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import kotlinx.coroutines.CoroutineScopeKt;
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import okhttp3.OkHttpClient;
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import okhttp3.Request;
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import okhttp3.Response;
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public final class SpiderQueen implements Runnable {
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public static final int MODE_READ = 0;
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public static final int MODE_DOWNLOAD = 1;
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public static final int STATE_NONE = 0;
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public static final int STATE_DOWNLOADING = 1;
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public static final int STATE_FINISHED = 2;
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public static final int STATE_FAILED = 3;
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public static final String SPIDER_INFO_FILENAME = ".ehviewer";
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private static final String TAG = SpiderQueen.class.getSimpleName();
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private static final AtomicInteger sIdGenerator = new AtomicInteger();
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private static final boolean DEBUG_LOG = true;
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private static final boolean DEBUG_PTOKEN = true;
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private static final LongSparseArray<SpiderQueen> sQueenMap = new LongSparseArray<>();
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public static String PTOKEN_FAILED_MESSAGE = GetText.getString(R.string.error_get_ptoken_error);
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public static String ERROR_509 = GetText.getString(R.string.error_509);
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public static String NETWORK_ERROR = GetText.getString(R.string.error_socket);
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public static String DECODE_ERROR = GetText.getString(R.string.error_decoding_failed);
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@NonNull
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public final SpiderDen mSpiderDen;
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public final AtomicReference<SpiderInfo> mSpiderInfo = new AtomicReference<>();
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// Store page download percent
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public final ConcurrentHashMap<Integer, Float> mPagePercentMap = new ConcurrentHashMap<>();
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@NonNull
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private final OkHttpClient mHttpClient;
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@NonNull
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private final GalleryInfo mGalleryInfo;
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private final Object mQueenLock = new Object();
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private final Object mPageStateLock = new Object();
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private final AtomicInteger mDownloadedPages = new AtomicInteger(0);
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private final AtomicInteger mFinishedPages = new AtomicInteger(0);
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// Store page error
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private final ConcurrentHashMap<Integer, String> mPageErrorMap = new ConcurrentHashMap<>();
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private final List<OnSpiderListener> mSpiderListeners = new ArrayList<>();
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public volatile int[] mPageStateArray;
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private int mReadReference = 0;
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private int mDownloadReference = 0;
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// It mQueenThread is null, failed or stopped
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@Nullable
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private volatile Thread mQueenThread;
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private SpiderQueenWorker mWorkerScope;
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private boolean mStoped = false;
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private SpiderQueen(@NonNull GalleryInfo galleryInfo) {
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mHttpClient = EhApplication.getOkHttpClient();
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mGalleryInfo = galleryInfo;
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mSpiderDen = new SpiderDen(mGalleryInfo);
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mWorkerScope = new SpiderQueenWorker(this);
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}
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@UiThread
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public static SpiderQueen obtainSpiderQueen(@NonNull GalleryInfo galleryInfo, @Mode int mode) {
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OSUtils.checkMainLoop();
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SpiderQueen queen = sQueenMap.get(galleryInfo.getGid());
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if (queen == null) {
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queen = new SpiderQueen(galleryInfo);
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sQueenMap.put(galleryInfo.getGid(), queen);
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// Set mode
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queen.setMode(mode);
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queen.start();
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} else {
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// Set mode
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queen.setMode(mode);
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}
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return queen;
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}
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@UiThread
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public static void releaseSpiderQueen(@NonNull SpiderQueen queen, @Mode int mode) {
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OSUtils.checkMainLoop();
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// Clear mode
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queen.clearMode(mode);
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if (queen.mReadReference == 0 && queen.mDownloadReference == 0) {
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// Stop and remove if there is no reference
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queen.stop();
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sQueenMap.remove(queen.mGalleryInfo.getGid());
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}
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}
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public static boolean contain(int[] array, int value) {
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for (int v : array) {
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if (v == value) {
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return true;
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}
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}
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return false;
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}
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// Mark as suspend fun when kotlinize, need IO
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public static int getStartPage(long gid) {
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var queen = sQueenMap.get(gid);
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SpiderInfo spiderInfo = null;
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// Fast Path: read existing queen
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if (queen != null) {
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spiderInfo = queen.mSpiderInfo.get();
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}
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// Slow path, read diskcache
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if (spiderInfo == null) {
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spiderInfo = SpiderInfoUtilsKt.readFromCache(gid);
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}
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if (spiderInfo == null) return 0;
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return spiderInfo.getStartPage();
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}
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public void addOnSpiderListener(OnSpiderListener listener) {
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synchronized (mSpiderListeners) {
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mSpiderListeners.add(listener);
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}
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}
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public void removeOnSpiderListener(OnSpiderListener listener) {
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synchronized (mSpiderListeners) {
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mSpiderListeners.remove(listener);
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}
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}
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private void notifyGetPages(int pages) {
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synchronized (mSpiderListeners) {
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for (OnSpiderListener listener : mSpiderListeners) {
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listener.onGetPages(pages);
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}
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}
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}
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public void notifyGet509(int index) {
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synchronized (mSpiderListeners) {
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for (OnSpiderListener listener : mSpiderListeners) {
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listener.onGet509(index);
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}
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}
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}
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public void notifyPageDownload(int index, long contentLength, long receivedSize, int bytesRead) {
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synchronized (mSpiderListeners) {
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for (OnSpiderListener listener : mSpiderListeners) {
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listener.onPageDownload(index, contentLength, receivedSize, bytesRead);
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}
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}
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}
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private void notifyPageSuccess(int index) {
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int size = -1;
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int[] temp = mPageStateArray;
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if (temp != null) {
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size = temp.length;
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}
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synchronized (mSpiderListeners) {
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for (OnSpiderListener listener : mSpiderListeners) {
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listener.onPageSuccess(index, mFinishedPages.get(), mDownloadedPages.get(), size);
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}
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}
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}
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private void notifyPageFailure(int index, String error) {
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int size = -1;
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int[] temp = mPageStateArray;
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if (temp != null) {
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size = temp.length;
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}
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synchronized (mSpiderListeners) {
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for (OnSpiderListener listener : mSpiderListeners) {
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listener.onPageFailure(index, error, mFinishedPages.get(), mDownloadedPages.get(), size);
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}
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}
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}
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private void notifyAllPageDownloaded() {
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int size = -1;
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int[] temp = mPageStateArray;
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if (temp != null) {
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size = temp.length;
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}
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synchronized (mSpiderListeners) {
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for (OnSpiderListener listener : mSpiderListeners) {
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listener.onFinish(mFinishedPages.get(), mDownloadedPages.get(), size);
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}
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}
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}
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public void notifyGetImageSuccess(int index, Image image) {
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synchronized (mSpiderListeners) {
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for (OnSpiderListener listener : mSpiderListeners) {
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listener.onGetImageSuccess(index, image);
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}
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}
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}
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public void notifyGetImageFailure(int index, String error) {
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if (error == null) {
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error = GetText.getString(R.string.error_unknown);
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}
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synchronized (mSpiderListeners) {
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for (OnSpiderListener listener : mSpiderListeners) {
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listener.onGetImageFailure(index, error);
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}
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}
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}
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private boolean mInDownloadMode = false;
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private void updateMode() {
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int mode;
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if (mDownloadReference > 0) {
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mode = MODE_DOWNLOAD;
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} else {
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mode = MODE_READ;
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}
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mSpiderDen.setMode(mode);
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// Update download page
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boolean intoDownloadMode = mode == MODE_DOWNLOAD;
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if (intoDownloadMode && !mInDownloadMode && mPageStateArray != null) {
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// Clear download state
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synchronized (mPageStateLock) {
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int[] temp = mPageStateArray;
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for (int i = 0, n = temp.length; i < n; i++) {
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int oldState = temp[i];
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if (STATE_DOWNLOADING != oldState) {
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temp[i] = STATE_NONE;
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}
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}
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mDownloadedPages.lazySet(0);
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mFinishedPages.lazySet(0);
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mPageErrorMap.clear();
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mPagePercentMap.clear();
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}
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}
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mInDownloadMode = intoDownloadMode;
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}
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private void setMode(@Mode int mode) {
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switch (mode) {
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case MODE_READ -> mReadReference++;
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case MODE_DOWNLOAD -> mDownloadReference++;
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}
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if (mDownloadReference > 1) {
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throw new IllegalStateException("mDownloadReference can't more than 0");
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}
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updateMode();
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}
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private void clearMode(@Mode int mode) {
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switch (mode) {
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case MODE_READ -> mReadReference--;
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case MODE_DOWNLOAD -> mDownloadReference--;
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}
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if (mReadReference < 0 || mDownloadReference < 0) {
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throw new IllegalStateException("Mode reference < 0");
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}
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updateMode();
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}
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private void start() {
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Thread queenThread = new PriorityThread(this, TAG + '-' + sIdGenerator.incrementAndGet(),
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Process.THREAD_PRIORITY_BACKGROUND);
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mQueenThread = queenThread;
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queenThread.start();
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}
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private void stop() {
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mStoped = true;
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synchronized (mQueenLock) {
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mQueenLock.notifyAll();
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}
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CoroutineScopeKt.cancel(mWorkerScope, null);
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mWorkerScope = null;
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}
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public int size() {
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if (mQueenThread == null) {
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return PageLoader.STATE_ERROR;
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} else if (mPageStateArray == null) {
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return PageLoader.STATE_WAIT;
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} else {
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return mPageStateArray.length;
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}
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}
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public String getError() {
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if (mQueenThread == null) {
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return "Error";
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} else {
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return null;
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}
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}
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public void forceRequest(int index) {
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request(index, true);
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}
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public void request(int index) {
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request(index, false);
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}
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public int getPageState(int index) {
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synchronized (mPageStateLock) {
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if (mPageStateArray != null && index >= 0 && index < mPageStateArray.length) {
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return mPageStateArray[index];
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} else {
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return STATE_NONE;
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}
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}
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}
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public void cancelRequest(int index) {
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if (mQueenThread == null) {
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return;
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}
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mWorkerScope.cancelDecode(index);
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}
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public void preloadPages(@NonNull List<Integer> pages, @NonNull Pair<Integer, Integer> pair) {
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if (mQueenThread == null) {
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return;
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}
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mWorkerScope.updateRAList(pages, pair);
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}
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private void request(int index, boolean force) {
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if (mQueenThread == null) {
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return;
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}
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// Get page state
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int state = getPageState(index);
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// Fix state for force
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if ((force && (state == STATE_FINISHED || state == STATE_FAILED)) || (state == STATE_FAILED)) {
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// Update state to none at once
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updatePageState(index, STATE_NONE);
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}
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mWorkerScope.launch(index, force);
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}
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public boolean save(int index, @NonNull UniFile file) {
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int state = getPageState(index);
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if (STATE_FINISHED != state) {
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return false;
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}
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return mSpiderDen.saveToUniFile(index, file);
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}
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@Nullable
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public UniFile save(int index, @NonNull UniFile dir, @NonNull String filename) {
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int state = getPageState(index);
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if (STATE_FINISHED != state) {
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return null;
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}
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var ext = mSpiderDen.getExtension(index);
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UniFile dst = dir.subFile(null != ext ? filename + "." + ext : filename);
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if (null == dst) {
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return null;
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}
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if (!mSpiderDen.saveToUniFile(index, dst)) return null;
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return dst;
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}
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@Nullable
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public String getExtension(int index) {
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int state = getPageState(index);
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if (STATE_FINISHED != state) {
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return null;
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}
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return mSpiderDen.getExtension(index);
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}
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public int getStartPage() {
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SpiderInfo spiderInfo = mSpiderInfo.get();
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if (spiderInfo == null) spiderInfo = readSpiderInfoFromLocal();
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if (spiderInfo == null) return 0;
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return spiderInfo.getStartPage();
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}
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public void putStartPage(int page) {
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final SpiderInfo spiderInfo = mSpiderInfo.get();
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if (spiderInfo != null) {
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spiderInfo.setStartPage(page);
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}
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}
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private synchronized SpiderInfo readSpiderInfoFromLocal() {
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SpiderInfo spiderInfo = mSpiderInfo.get();
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if (spiderInfo != null) {
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return spiderInfo;
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}
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// Read from download dir
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UniFile downloadDir = mSpiderDen.getDownloadDir();
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if (downloadDir != null) {
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UniFile file = downloadDir.findFile(SPIDER_INFO_FILENAME);
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if (file != null) {
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spiderInfo = SpiderInfoUtilsKt.readCompatFromUniFile(file);
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if (spiderInfo != null && spiderInfo.getGid() == mGalleryInfo.getGid() &&
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spiderInfo.getToken().equals(mGalleryInfo.getToken())) {
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return spiderInfo;
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}
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}
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}
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// Read from cache
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spiderInfo = SpiderInfoUtilsKt.readFromCache(mGalleryInfo.getGid());
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if (spiderInfo != null && spiderInfo.getGid() == mGalleryInfo.getGid() && spiderInfo.getToken().equals(mGalleryInfo.getToken())) {
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return spiderInfo;
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}
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return null;
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}
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private void readPreviews(String body, int index, SpiderInfo spiderInfo) throws ParseException {
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spiderInfo.setPreviewPages(GalleryDetailParser.parsePreviewPages(body));
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PreviewSet previewSet = GalleryDetailParser.parsePreviewSet(body);
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if (previewSet.size() > 0) {
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if (index == 0) {
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spiderInfo.setPreviewPerPage(previewSet.size());
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} else {
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spiderInfo.setPreviewPerPage(previewSet.getPosition(0) / index);
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}
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}
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for (int i = 0, n = previewSet.size(); i < n; i++) {
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GalleryPageUrlParser.Result result = GalleryPageUrlParser.parse(previewSet.getPageUrlAt(i));
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if (result != null) {
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spiderInfo.getPTokenMap().put(result.page, result.pToken);
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}
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}
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}
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private SpiderInfo readSpiderInfoFromInternet() {
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Request request = new EhRequestBuilder(EhUrl.getGalleryDetailUrl(
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mGalleryInfo.getGid(), mGalleryInfo.getToken(), 0, false), EhUrl.getReferer()).build();
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try (Response response = mHttpClient.newCall(request).execute()) {
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String body = response.body().string();
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var pages = GalleryDetailParser.parsePages(body);
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SpiderInfo spiderInfo = new SpiderInfo(mGalleryInfo.getGid(), pages);
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spiderInfo.setToken(mGalleryInfo.getToken());
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readPreviews(body, 0, spiderInfo);
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return spiderInfo;
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} catch (Throwable e) {
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ExceptionUtils.throwIfFatal(e);
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return null;
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}
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}
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public String getPTokenFromMultiPageViewer(int index) {
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SpiderInfo spiderInfo = mSpiderInfo.get();
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if (spiderInfo == null) {
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return null;
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}
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String url = EhUrl.getGalleryMultiPageViewerUrl(
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mGalleryInfo.getGid(), mGalleryInfo.getToken());
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if (DEBUG_PTOKEN) {
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Log.d(TAG, "getPTokenFromMultiPageViewer index " + index + ", url " + url);
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}
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String referer = EhUrl.getReferer();
|
|
Request request = new EhRequestBuilder(url, referer).build();
|
|
try (Response response = mHttpClient.newCall(request).execute()) {
|
|
String body = response.body().string();
|
|
|
|
ArrayList<String> list = GalleryMultiPageViewerPTokenParser.parse(body);
|
|
|
|
for (int i = 0; i < list.size(); i++) {
|
|
spiderInfo.getPTokenMap().put(i, list.get(i));
|
|
}
|
|
|
|
return spiderInfo.getPTokenMap().get(index);
|
|
} catch (Throwable e) {
|
|
ExceptionUtils.throwIfFatal(e);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public String getPTokenFromInternet(int index) {
|
|
SpiderInfo spiderInfo = mSpiderInfo.get();
|
|
if (spiderInfo == null) {
|
|
return null;
|
|
}
|
|
|
|
// Check previewIndex
|
|
int previewIndex;
|
|
if (spiderInfo.getPreviewPerPage() >= 0) {
|
|
previewIndex = index / spiderInfo.getPreviewPerPage();
|
|
} else {
|
|
previewIndex = 0;
|
|
}
|
|
if (spiderInfo.getPreviewPages() > 0) {
|
|
previewIndex = Math.min(previewIndex, spiderInfo.getPreviewPages() - 1);
|
|
}
|
|
|
|
String url = EhUrl.getGalleryDetailUrl(
|
|
mGalleryInfo.getGid(), mGalleryInfo.getToken(), previewIndex, false);
|
|
String referer = EhUrl.getReferer();
|
|
if (DEBUG_PTOKEN) {
|
|
Log.d(TAG, "index " + index + ", previewIndex " + previewIndex +
|
|
", previewPerPage " + spiderInfo.getPreviewPerPage() + ", url " + url);
|
|
}
|
|
Request request = new EhRequestBuilder(url, referer).build();
|
|
try (Response response = mHttpClient.newCall(request).execute()) {
|
|
String body = response.body().string();
|
|
readPreviews(body, previewIndex, spiderInfo);
|
|
|
|
return spiderInfo.getPTokenMap().get(index);
|
|
} catch (Throwable e) {
|
|
ExceptionUtils.throwIfFatal(e);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
private synchronized void writeSpiderInfoToLocal() {
|
|
var spiderInfo = mSpiderInfo.get();
|
|
if (spiderInfo != null) {
|
|
UniFile downloadDir = mSpiderDen.getDownloadDir();
|
|
if (downloadDir != null) {
|
|
UniFile file = downloadDir.createFile(SPIDER_INFO_FILENAME);
|
|
SpiderInfoUtilsKt.write(spiderInfo, file);
|
|
}
|
|
SpiderInfoUtilsKt.saveToCache(spiderInfo);
|
|
}
|
|
}
|
|
|
|
private void runInternal() {
|
|
// Read spider info
|
|
SpiderInfo spiderInfo = readSpiderInfoFromLocal();
|
|
|
|
// Check Stopped
|
|
if (mStoped) {
|
|
return;
|
|
}
|
|
|
|
// Spider info from internet
|
|
if (spiderInfo == null) {
|
|
spiderInfo = readSpiderInfoFromInternet();
|
|
}
|
|
|
|
// Error! Can't get spiderInfo
|
|
if (spiderInfo == null) {
|
|
return;
|
|
}
|
|
mSpiderInfo.set(spiderInfo);
|
|
|
|
// Check Stopped
|
|
if (mStoped) {
|
|
return;
|
|
}
|
|
|
|
// Setup page state
|
|
synchronized (mPageStateLock) {
|
|
mPageStateArray = new int[spiderInfo.getPages()];
|
|
}
|
|
|
|
// Notify get pages
|
|
notifyGetPages(spiderInfo.getPages());
|
|
|
|
if (mInDownloadMode) mWorkerScope.enterDownloadMode();
|
|
|
|
// Wait finish
|
|
synchronized (mQueenLock) {
|
|
try {
|
|
mQueenLock.wait();
|
|
} catch (InterruptedException ignored) {
|
|
}
|
|
}
|
|
|
|
writeSpiderInfoToLocal();
|
|
}
|
|
|
|
@Override
|
|
public void run() {
|
|
if (DEBUG_LOG) {
|
|
Log.i(TAG, Thread.currentThread().getName() + ": start");
|
|
}
|
|
|
|
runInternal();
|
|
|
|
// Set mQueenThread null
|
|
mQueenThread = null;
|
|
|
|
if (DEBUG_LOG) {
|
|
Log.i(TAG, Thread.currentThread().getName() + ": end");
|
|
}
|
|
}
|
|
|
|
public void updatePageState(int index, @State int state) {
|
|
updatePageState(index, state, null);
|
|
}
|
|
|
|
private boolean isStateDone(int state) {
|
|
return state == STATE_FINISHED || state == STATE_FAILED;
|
|
}
|
|
|
|
public void updatePageState(int index, @State int state, String error) {
|
|
int oldState;
|
|
synchronized (mPageStateLock) {
|
|
oldState = mPageStateArray[index];
|
|
mPageStateArray[index] = state;
|
|
|
|
if (!isStateDone(oldState) && isStateDone(state)) {
|
|
mDownloadedPages.incrementAndGet();
|
|
} else if (isStateDone(oldState) && !isStateDone(state)) {
|
|
mDownloadedPages.decrementAndGet();
|
|
}
|
|
if (oldState != STATE_FINISHED && state == STATE_FINISHED) {
|
|
mFinishedPages.incrementAndGet();
|
|
} else if (oldState == STATE_FINISHED && state != STATE_FINISHED) {
|
|
mFinishedPages.decrementAndGet();
|
|
}
|
|
|
|
// Clear
|
|
if (state == STATE_DOWNLOADING) {
|
|
mPageErrorMap.remove(index);
|
|
} else if (state == STATE_FINISHED || state == STATE_FAILED) {
|
|
mPagePercentMap.remove(index);
|
|
}
|
|
|
|
// Get default error
|
|
if (state == STATE_FAILED) {
|
|
if (error == null) {
|
|
error = GetText.getString(R.string.error_unknown);
|
|
}
|
|
mPageErrorMap.put(index, error);
|
|
}
|
|
}
|
|
|
|
// Notify listeners
|
|
if (state == STATE_FAILED) {
|
|
notifyPageFailure(index, error);
|
|
} else if (state == STATE_FINISHED) {
|
|
notifyPageSuccess(index);
|
|
}
|
|
|
|
if (mFinishedPages.get() == size()) notifyAllPageDownloaded();
|
|
}
|
|
|
|
@IntDef({MODE_READ, MODE_DOWNLOAD})
|
|
@Retention(RetentionPolicy.SOURCE)
|
|
public @interface Mode {
|
|
}
|
|
|
|
@IntDef({STATE_NONE, STATE_DOWNLOADING, STATE_FINISHED, STATE_FAILED})
|
|
@Retention(RetentionPolicy.SOURCE)
|
|
public @interface State {
|
|
}
|
|
|
|
public interface OnSpiderListener {
|
|
|
|
void onGetPages(int pages);
|
|
|
|
void onGet509(int index);
|
|
|
|
/**
|
|
* @param contentLength -1 for unknown
|
|
*/
|
|
void onPageDownload(int index, long contentLength, long receivedSize, int bytesRead);
|
|
|
|
void onPageSuccess(int index, int finished, int downloaded, int total);
|
|
|
|
void onPageFailure(int index, String error, int finished, int downloaded, int total);
|
|
|
|
/**
|
|
* All workers end
|
|
*/
|
|
void onFinish(int finished, int downloaded, int total);
|
|
|
|
void onGetImageSuccess(int index, Image image);
|
|
|
|
void onGetImageFailure(int index, String error);
|
|
}
|
|
}
|