diff --git a/contrib/src/main/java/org/archive/modules/recrawl/wbm/WbmPersistLoadProcessor.java b/contrib/src/main/java/org/archive/modules/recrawl/wbm/WbmPersistLoadProcessor.java
new file mode 100644
index 00000000..ad6cf7ab
--- /dev/null
+++ b/contrib/src/main/java/org/archive/modules/recrawl/wbm/WbmPersistLoadProcessor.java
@@ -0,0 +1,566 @@
+/*
+ * This file is part of the Heritrix web crawler (crawler.archive.org).
+ *
+ * Licensed to the Internet Archive (IA) by one or more individual
+ * contributors.
+ *
+ * The IA licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.archive.modules.recrawl.wbm;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+import java.nio.ByteBuffer;
+import java.text.ParseException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.atomic.AtomicLong;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.http.HeaderElement;
+import org.apache.http.HttpEntity;
+import org.apache.http.HttpRequest;
+import org.apache.http.HttpRequestInterceptor;
+import org.apache.http.HttpResponse;
+import org.apache.http.StatusLine;
+import org.apache.http.client.HttpClient;
+import org.apache.http.client.config.RequestConfig;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.impl.client.HttpClientBuilder;
+import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
+import org.apache.http.protocol.HttpContext;
+import org.archive.modules.CoreAttributeConstants;
+import org.archive.modules.CrawlURI;
+import org.archive.modules.ProcessResult;
+import org.archive.modules.Processor;
+import org.archive.modules.recrawl.FetchHistoryHelper;
+import org.archive.modules.recrawl.RecrawlAttributeConstants;
+import org.archive.util.ArchiveUtils;
+import org.archive.util.DateUtils;
+
+/**
+ * A {@link Processor} for retrieving recrawl info from remote Wayback Machine index.
+ * This is currently in the early stage of experiment. Both low-level protocol and WBM API
+ * semantics will certainly undergo several revisions.
+ * Current interface:
+ * http://web-beta.archive.org/cdx/search/cdx?url=archive.org&startDate=1999 will return raw
+ * CDX lines for archive.org, since 1999-01-01 00:00:00.
+ *
+ * As index is updated in a separate batch processing job, there's no "Store" counterpart.
+ * @contributor Kenji Nagahashi.
+ */
+public class WbmPersistLoadProcessor extends Processor {
+ private static final Log log = LogFactory.getLog(WbmPersistLoadProcessor.class);
+
+ private HttpClient client;
+ private PoolingHttpClientConnectionManager conman;
+
+ private int historyLength = 2;
+
+ public void setHistoryLength(int historyLength) {
+ this.historyLength = historyLength;
+ }
+ public int getHistoryLength() {
+ return historyLength;
+ }
+
+ // ~Jan 2, 2013
+ //private String queryURL = "http://web-beta.archive.org/cdx/search";
+ //private String queryURL = "http://web.archive.org/cdx/search/cdx";
+ // ~Sep 26, 2013
+ private String queryURL = "http://wwwb-dedup.us.archive.org:8083/web/timemap/cdx?url=$u&limit=-1";
+ public void setQueryURL(String queryURL) {
+ this.queryURL = queryURL;
+ prepareQueryURL();
+ }
+ public String getQueryURL() {
+ return queryURL;
+ }
+
+ public interface FormatSegment {
+ void print(StringBuilder sb, String[] args);
+ }
+ private static class StaticSegment implements FormatSegment {
+ String s;
+ public StaticSegment(String s) {
+ this.s = s;
+ }
+ public void print(StringBuilder sb, String[] args) {
+ sb.append(s);
+ }
+ }
+ private static class InterpolateSegment implements FormatSegment {
+ int aidx;
+ public InterpolateSegment(int aidx) {
+ this.aidx = aidx;
+ }
+ public void print(StringBuilder sb, String[] args) {
+ sb.append(args[aidx]);
+ }
+ }
+ private FormatSegment[] preparedQueryURL;
+
+ /**
+ * pre-scan queryURL template so that actual queryURL can be built
+ * with minimal processing.
+ */
+ private void prepareQueryURL() {
+ List segments = new ArrayList();
+ final int l = queryURL.length();
+ int p = 0;
+ int q;
+ while (p < l && (q = queryURL.indexOf('$', p)) >= 0) {
+ if (q + 2 > l) {
+ // '$' at the end. keep it as if it were '$$'
+ break;
+ }
+ if (q > p) {
+ segments.add(new StaticSegment(queryURL.substring(p, q)));
+ }
+ char c = queryURL.charAt(q + 1);
+ if (c == 'u') {
+ segments.add(new InterpolateSegment(0));
+ } else if (c == 's') {
+ segments.add(new InterpolateSegment(1));
+ } else {
+ // copy '$'-sequence so that it's easy to spot errors
+ segments.add(new StaticSegment(queryURL.substring(q, q + 2)));
+ }
+ p = q + 2;
+ }
+ if (p < l) {
+ segments.add(new StaticSegment(queryURL.substring(p)));
+ }
+ preparedQueryURL = segments.toArray(new FormatSegment[segments.size()]);
+ }
+
+ private String contentDigestScheme = "sha1:";
+ /**
+ * set Content-Digest scheme string to prepend to the hash string found in CDX.
+ * Heritrix's Content-Digest comparison including this part.
+ * {@code "sha1:"} by default.
+ * @param contentDigestScheme
+ */
+ public void setContentDigestScheme(String contentDigestScheme) {
+ this.contentDigestScheme = contentDigestScheme;
+ }
+ public String getContentDigestScheme() {
+ return contentDigestScheme;
+ }
+ private int socketTimeout = 10000;
+ /**
+ * socket timeout (SO_TIMEOUT) for HTTP client in milliseconds.
+ */
+ public void setSocketTimeout(int socketTimeout) {
+ this.socketTimeout = socketTimeout;
+ }
+ public int getSocketTimeout() {
+ return socketTimeout;
+ }
+
+ private int connectionTimeout = 10000;
+ /**
+ * connection timeout for HTTP client in milliseconds.
+ * @param connectionTimeout
+ */
+ public void setConnectionTimeout(int connectionTimeout) {
+ this.connectionTimeout = connectionTimeout;
+ }
+ public int getConnectionTimeout() {
+ return connectionTimeout;
+ }
+
+ private int maxConnections = 10;
+ public int getMaxConnections() {
+ return maxConnections;
+ }
+ public synchronized void setMaxConnections(int maxConnections) {
+ this.maxConnections = maxConnections;
+ if (conman != null) {
+ if (conman.getMaxTotal() < this.maxConnections)
+ conman.setMaxTotal(this.maxConnections);
+ conman.setDefaultMaxPerRoute(this.maxConnections);
+ }
+ }
+ private boolean gzipAccepted = false;
+ public boolean isGzipAccepted() {
+ return gzipAccepted;
+ }
+ /**
+ * if set to true, {@link WbmPersistLoadProcessor} adds a header
+ * {@code Accept-Encoding: gzip} to HTTP requests. New CDX server
+ * see this header to decide whether to compress the response. it is also
+ * possible to override gzipAccepted=true setting with gzip=false
+ * request parameter.
+ * It is off by default, as it should make little sense to compress single
+ * line of CDX.
+ * @param gzipAccepted true to allow gzip compression.
+ */
+ public void setGzipAccepted(boolean gzipAccepted) {
+ this.gzipAccepted = gzipAccepted;
+ }
+
+ private Map requestHeaders = new ConcurrentHashMap(1, 0.75f, 2);
+ public Map getRequestHeaders() {
+ return requestHeaders;
+ }
+ /**
+ * all key-value pairs in this map will be added as HTTP headers.
+ * typically used for providing authentication cookies. this method
+ * makes a copy of {@requestHeaders}.
+ * note: this property may be dropped in the future if
+ * I come up with better interface.
+ * @param requestHeaders map of <header-name, header-value>.
+ */
+ public void setRequestHeaders(Map requestHeaders) {
+ if (requestHeaders == null) {
+ this.requestHeaders.clear();
+ } else {
+ // TODO: mmm, ConcurrentHashMap may be overkill. simple synchronized Hashtable would work
+ // just okay?
+ ConcurrentHashMap m = new ConcurrentHashMap(1, 0.75f, 2);
+ m.putAll(requestHeaders);
+ this.requestHeaders = m;
+ }
+ }
+
+ // statistics
+ private AtomicLong loadedCount = new AtomicLong();
+ /**
+ * number of times successfully loaded recrawl info.
+ * @return long
+ */
+ public long getLoadedCount() {
+ return loadedCount.get();
+ }
+ private AtomicLong missedCount = new AtomicLong();
+ /**
+ * number of times getting no recrawl info.
+ * @return long
+ */
+ public long getMissedCount() {
+ return missedCount.get();
+ }
+ private AtomicLong errorCount = new AtomicLong();
+ /**
+ * number of times cdx-server API call failed.
+ * @return long
+ */
+ public long getErrorCount() {
+ return errorCount.get();
+ }
+
+ private AtomicLong cumulativeFetchTime = new AtomicLong();
+ /**
+ * total milliseconds spent in API call.
+ * it is a sum of time waited for next available connection,
+ * and actual HTTP request-response round-trip, across all threads.
+ * @return
+ */
+ public long getCumulativeFetchTime() {
+ return cumulativeFetchTime.get();
+ }
+
+ public void setHttpClient(HttpClient client) {
+ this.client = client;
+ }
+
+ // XXX HttpHeadquarterAdapter has the same code. move to common library.
+ private static boolean contains(HeaderElement[] elements, String value) {
+ for (int i = 0; i < elements.length; i++) {
+ if (elements[i].getName().equalsIgnoreCase(value)) {
+ return true;
+ }
+ }
+ return false;
+ }
+ public synchronized HttpClient getHttpClient() {
+ if (client == null) {
+ if (conman == null) {
+ conman = new PoolingHttpClientConnectionManager();
+ conman.setDefaultMaxPerRoute(maxConnections);
+ conman.setMaxTotal(Math.max(conman.getMaxTotal(), maxConnections));
+ }
+ HttpClientBuilder builder = HttpClientBuilder.create()
+ .disableCookieManagement()
+ .setConnectionManager(conman);
+ builder.useSystemProperties();
+ // TODO: use setDefaultHeaders for adding requestHeaders? It's a bit painful
+ // because we need to convert it to a Collection of Header objects.
+
+ // config code for older version of httpclient.
+// builder.setDefaultSocketConfig(SocketConfig.custom().setSoTimeout(socketTimeout).build());
+// HttpParams params = client.getParams();
+// params.setIntParameter(CoreConnectionPNames.SO_TIMEOUT, socketTimeout);
+// params.setIntParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, connectionTimeout);
+ // setup request/response intercepter for handling gzip-compressed response.
+ // Disabled because httpclient 4.3.3 sends "Accept-Encoding: gzip,deflate" by
+ // default. Response parsing will fail If gzip-decompression ResponseInterceptor
+ // is installed.
+ builder.addInterceptorLast(new HttpRequestInterceptor() {
+ @Override
+ public void process(final HttpRequest request, final HttpContext context) {
+// System.err.println("RequestInterceptor");
+// if (request.containsHeader("Accept-Encoding")) {
+// System.err.println("already has Accept-Encoding: " + request.getHeaders("Accept-Encoding")[0]);
+// }
+// if (gzipAccepted) {
+// if (!request.containsHeader("Accept-Encoding")) {
+// request.addHeader("Accept-Encoding", "gzip");
+// }
+// }
+ // add extra headers configured.
+ if (requestHeaders != null) {
+ for (Entry ent : requestHeaders.entrySet()) {
+ request.addHeader(ent.getKey(), ent.getValue());
+ }
+ }
+ }
+ });
+// builder.addInterceptorFirst(new HttpResponseInterceptor() {
+// @Override
+// public void process(final HttpResponse response, final HttpContext context)
+// throws HttpException, IOException {
+// HttpEntity entity = response.getEntity();
+// Header ceheader = entity.getContentEncoding();
+// if (ceheader != null && contains(ceheader.getElements(), "gzip")) {
+// response.setEntity(new GzipInflatingHttpEntityWrapper(response.getEntity()));
+// }
+// }
+// });
+ this.client = builder.build();
+ }
+ return client;
+ }
+
+ private long queryRangeSecs = 6L*30*24*3600;
+ /**
+ *
+ * @param queryRangeSecs
+ */
+ public void setQueryRangeSecs(long queryRangeSecs) {
+ this.queryRangeSecs = queryRangeSecs;
+ }
+ public long getQueryRangeSecs() {
+ return queryRangeSecs;
+ }
+
+ private String buildStartDate() {
+ final long range = queryRangeSecs;
+ if (range <= 0)
+ return ArchiveUtils.get14DigitDate(new Date(0));
+ Date now = new Date();
+ Date startDate = new Date(now.getTime() - range*1000);
+ return ArchiveUtils.get14DigitDate(startDate);
+ }
+
+ protected String buildURL(String url) {
+ // we don't need to pass scheme part, but no problem passing it.
+ StringBuilder sb = new StringBuilder();
+ final FormatSegment[] segments = preparedQueryURL;
+ String encodedURL;
+ try {
+ encodedURL = URLEncoder.encode(url, "UTF-8");
+ } catch (UnsupportedEncodingException ex) {
+ encodedURL = url;
+ }
+ final String[] args = new String[] {
+ encodedURL,
+ buildStartDate()
+ };
+ for (FormatSegment fs : segments) {
+ fs.print(sb, args);
+ }
+ return sb.toString();
+ }
+
+ public WbmPersistLoadProcessor() {
+ prepareQueryURL();
+ }
+
+ protected InputStream getCDX(String qurl) throws InterruptedException, IOException {
+ final String url = buildURL(qurl);
+ HttpGet m = new HttpGet(url);
+ m.setConfig(RequestConfig.custom().setConnectTimeout(connectionTimeout)
+ .setSocketTimeout(socketTimeout).build());
+ HttpEntity entity = null;
+ int attempts = 0;
+ do {
+ if (Thread.interrupted())
+ throw new InterruptedException("interrupted while GET " + url);
+ if (attempts > 0) {
+ Thread.sleep(5000);
+ }
+ try {
+ long t0 = System.currentTimeMillis();
+ HttpResponse resp = getHttpClient().execute(m);
+ cumulativeFetchTime.addAndGet(System.currentTimeMillis() - t0);
+ StatusLine sl = resp.getStatusLine();
+ if (sl.getStatusCode() != 200) {
+ log.error("GET " + url + " failed with status=" + sl.getStatusCode() + " " + sl.getReasonPhrase());
+ entity = resp.getEntity();
+ entity.getContent().close();
+ entity = null;
+ continue;
+ }
+ entity = resp.getEntity();
+ } catch (IOException ex) {
+ log.error("GEt " + url + " failed with error " + ex.getMessage());
+ } catch (Exception ex) {
+ log.error("GET " + url + " failed with error ", ex);
+ }
+ } while (entity == null && ++attempts < 3);
+ if (entity == null) {
+ throw new IOException("giving up on GET " + url + " after " + attempts + " attempts");
+ }
+ return entity.getContent();
+ }
+
+ @Override
+ protected ProcessResult innerProcessResult(CrawlURI curi) throws InterruptedException {
+ InputStream is;
+ try {
+ is = getCDX(curi.toString());
+ } catch (IOException ex) {
+ log.error(ex.getMessage());
+ errorCount.incrementAndGet();
+ return ProcessResult.PROCEED;
+ }
+ Map info = null;
+ try {
+ info = getLastCrawl(is);
+ } catch (IOException ex) {
+ log.error("error parsing response", ex);
+ } finally {
+ if (is != null)
+ ArchiveUtils.closeQuietly(is);
+ }
+ if (info != null) {
+ Map history = FetchHistoryHelper.getFetchHistory(curi,
+ (Long)info.get(FetchHistoryHelper.A_TIMESTAMP), historyLength);
+ if (history != null)
+ history.putAll(info);
+ loadedCount.incrementAndGet();
+ } else {
+ missedCount.incrementAndGet();
+ }
+ return ProcessResult.PROCEED;
+ }
+
+ protected HashMap getLastCrawl(InputStream is) throws IOException {
+ // read CDX lines, save most recent (at the end) hash.
+ ByteBuffer buffer = ByteBuffer.allocate(32);
+ ByteBuffer tsbuffer = ByteBuffer.allocate(14);
+ int field = 0;
+ int c;
+ do {
+ c = is.read();
+ if (field == 1) {
+ // 14-digits timestamp
+ tsbuffer.clear();
+ while (Character.isDigit(c) && tsbuffer.remaining() > 0) {
+ tsbuffer.put((byte)c);
+ c = is.read();
+ }
+ if (c != ' ' || tsbuffer.position() != 14) {
+ tsbuffer.clear();
+ }
+ // fall through to skip the rest
+ } else if (field == 5) {
+ buffer.clear();
+ while ((c >= 'A' && c <= 'Z' || c >= '0' && c <= '9') && buffer.remaining() > 0) {
+ buffer.put((byte)c);
+ c = is.read();
+ }
+ if (c != ' ' || buffer.position() != 32) {
+ buffer.clear();
+ }
+ // fall through to skip the rest
+ }
+ while (true) {
+ if (c == -1) {
+ break;
+ } else if (c == '\n') {
+ field = 0;
+ break;
+ } else if (c == ' ') {
+ field++;
+ break;
+ }
+ c = is.read();
+ }
+ } while (c != -1);
+
+ HashMap info = new HashMap();
+ if (buffer.remaining() == 0) {
+ info.put(RecrawlAttributeConstants.A_CONTENT_DIGEST, contentDigestScheme + new String(buffer.array()));
+ }
+ if (tsbuffer.remaining() == 0) {
+ try {
+ long ts = DateUtils.parse14DigitDate(new String(tsbuffer.array())).getTime();
+ // A_TIMESTAMP has been used for sorting history long before A_FETCH_BEGAN_TIME
+ // field was introduced. Now FetchHistoryProcessor fails if A_FETCH_BEGAN_TIME is
+ // not set. We could stop storing A_TIMESTAMP and sort by A_FETCH_BEGAN_TIME.
+ info.put(FetchHistoryHelper.A_TIMESTAMP, ts);
+ info.put(CoreAttributeConstants.A_FETCH_BEGAN_TIME, ts);
+ } catch (ParseException ex) {
+ }
+ }
+ return info.isEmpty() ? null : info;
+ }
+
+ /**
+ * unused.
+ */
+ @Override
+ protected void innerProcess(CrawlURI uri) throws InterruptedException {
+ }
+
+ @Override
+ protected boolean shouldProcess(CrawlURI uri) {
+ // TODO: we want deduplicate robots.txt, too.
+ //if (uri.isPrerequisite()) return false;
+ String scheme = uri.getUURI().getScheme();
+ if (!(scheme.equals("http") || scheme.equals("https"))) return false;
+ return true;
+ }
+
+ /**
+ * main entry point for quick test.
+ * @param args
+ */
+ public static void main(String[] args) throws Exception {
+ String url = args[0];
+ String cookie = args.length > 1 ? args[1] : null;
+ WbmPersistLoadProcessor wp = new WbmPersistLoadProcessor();
+ if (cookie != null) {
+ wp.setRequestHeaders(Collections.singletonMap("Cookie", cookie));
+ }
+ InputStream is = wp.getCDX(url);
+ byte[] b = new byte[1024];
+ int n;
+ while ((n = is.read(b)) > 0) {
+ System.out.write(b, 0, n);
+ }
+ is.close();
+ }
+}
diff --git a/contrib/src/test/java/org/archive/modules/recrawl/wbm/WbmPersistLoadProcessorTest.java b/contrib/src/test/java/org/archive/modules/recrawl/wbm/WbmPersistLoadProcessorTest.java
new file mode 100644
index 00000000..88d1c0cf
--- /dev/null
+++ b/contrib/src/test/java/org/archive/modules/recrawl/wbm/WbmPersistLoadProcessorTest.java
@@ -0,0 +1,221 @@
+package org.archive.modules.recrawl.wbm;
+
+import java.io.BufferedReader;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.URLEncoder;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.TimeUnit;
+import java.util.regex.Pattern;
+
+import junit.framework.TestCase;
+
+import org.apache.http.HttpResponse;
+import org.apache.http.ProtocolVersion;
+import org.apache.http.client.HttpClient;
+import org.apache.http.client.methods.HttpUriRequest;
+import org.apache.http.entity.ByteArrayEntity;
+import org.apache.http.message.BasicHttpResponse;
+import org.apache.http.message.BasicStatusLine;
+import org.archive.modules.CoreAttributeConstants;
+import org.archive.modules.CrawlURI;
+import org.archive.modules.ProcessResult;
+import org.archive.modules.recrawl.FetchHistoryHelper;
+import org.archive.modules.recrawl.FetchHistoryProcessor;
+import org.archive.modules.recrawl.RecrawlAttributeConstants;
+import org.archive.net.UURIFactory;
+import org.archive.util.Base32;
+import org.archive.util.DateUtils;
+import org.easymock.EasyMock;
+
+import com.google.common.util.concurrent.ExecutionList;
+
+/**
+ * unit test for {@link WbmPersistLoadProcessor}.
+ *
+ * TODO:
+ *
+ * - test for pathological cases: illegal chars, incorrect length, etc.
+ *
- test if connection is properly released back to the pool for all possible cases.
+ *
+ * @author kenji
+ *
+ */
+public class WbmPersistLoadProcessorTest extends TestCase {
+
+ public void testBuildURL() throws Exception {
+ WbmPersistLoadProcessor t = new WbmPersistLoadProcessor();
+ t.setQueryURL("http://web.archive.org/cdx/search/cdx?url=$u&startDate=$s&limit=1");
+ final String URL = "http://archive.org/";
+ String url = t.buildURL(URL);
+ System.err.println(url);
+ assertTrue("has encode URL", Pattern.matches(".*[&?]url="+URLEncoder.encode(URL, "UTF-8")+"([&].*)?", url));
+ assertTrue("has startDate", Pattern.matches(".*[&?]startDate=\\d{14}([&].*)?", url));
+ assertTrue("has limit", Pattern.matches(".*[&?]limit=\\d+([&].*)?", url));
+ //assertTrue("has last=true", Pattern.matches(".*[&?]last=true([&].*)?", url));
+ }
+
+ /**
+ * stub HttpResponse for normal case.
+ * @author kenji
+ *
+ */
+ public static class TestNormalHttpResponse extends BasicHttpResponse {
+ public static final String EXPECTED_TS = "20121101155310";
+ public static final String EXPECTED_HASH = "GHN5VKF3TBKNSEZTASOM23BJRTKFFNJK";
+ public TestNormalHttpResponse() {
+ super(new BasicStatusLine(new ProtocolVersion("HTTP", 1, 0), 200, "OK"));
+ setEntity(new ByteArrayEntity(
+ ("org,archive)/ "+EXPECTED_TS+" http://archive.org/ text/html 200 "+
+ EXPECTED_HASH+" - - 6908 982548871 "+
+ "google.es-20121101-155506/IA-FOC-google.es-20121101073708-00001.warc.gz\n"
+ ).getBytes()
+ ));
+ }
+ }
+
+ protected Map getFetchHistory(CrawlURI curi, int idx) {
+ Map data = curi.getData();
+ @SuppressWarnings("unchecked")
+ Map[] historyArray = (Map[])data.get(RecrawlAttributeConstants.A_FETCH_HISTORY);
+ assertNotNull(historyArray);
+ Map history = historyArray[idx];
+ return history;
+ }
+
+ private byte[] sha1Digest(String text) throws NoSuchAlgorithmException {
+ MessageDigest md = MessageDigest.getInstance("sha1");
+ return md.digest(text.getBytes());
+ }
+
+ /**
+ * this test is disabled because it talks to production CDX server.
+ * @throws Exception
+ */
+ public void _testInnerProcessResultSingleShotWithMock() throws Exception {
+ // because AbstractHttpClient marks most execute(...) methods final, it is very tiresome to implement
+ // a stub by implementing HttpClient interface. So I use EasyMock.
+ HttpClient client = EasyMock.createMock(HttpClient.class);
+ HttpResponse testResponse = new TestNormalHttpResponse();
+ EasyMock.expect(client.execute((HttpUriRequest)EasyMock.notNull())).andReturn(testResponse);
+ EasyMock.replay(client);
+
+ final String CONTENT_DIGEST_SCHEME = "sha1:";
+ WbmPersistLoadProcessor t = new WbmPersistLoadProcessor();
+ t.setHttpClient(client);
+ t.setContentDigestScheme(CONTENT_DIGEST_SCHEME);
+ CrawlURI curi = new CrawlURI(UURIFactory.getInstance("http://archive.org/"));
+
+ // put history entry newer than being loaded (i.e. loaded history entry will not be used for FetchHistoryProcessor
+ // check below.
+ long expected_ts = DateUtils.parse14DigitDate(TestNormalHttpResponse.EXPECTED_TS).getTime();
+ Map[] fetchHistory = (Map[])curi.getData().get(RecrawlAttributeConstants.A_FETCH_HISTORY);
+ if (fetchHistory == null) {
+ fetchHistory = new HashMap[2];
+ curi.getData().put(RecrawlAttributeConstants.A_FETCH_HISTORY, fetchHistory);
+ }
+ final byte[] digestValue0 = sha1Digest("0");
+ final byte[] digestValue1 = sha1Digest("1");
+ fetchHistory[0] = new HashMap();
+ fetchHistory[0].put(FetchHistoryHelper.A_TIMESTAMP, expected_ts + 2000);
+ fetchHistory[0].put(CoreAttributeConstants.A_FETCH_BEGAN_TIME, expected_ts + 2000);
+ fetchHistory[0].put(RecrawlAttributeConstants.A_CONTENT_DIGEST,
+ CONTENT_DIGEST_SCHEME + Base32.encode(digestValue0));
+ fetchHistory[1] = new HashMap();
+ fetchHistory[1].put(FetchHistoryHelper.A_TIMESTAMP, expected_ts - 2000);
+ fetchHistory[1].put(RecrawlAttributeConstants.A_CONTENT_DIGEST,
+ CONTENT_DIGEST_SCHEME + Base32.encode(digestValue1));
+
+ ProcessResult result = t.innerProcessResult(curi);
+ assertEquals("result is PROCEED", ProcessResult.PROCEED, result);
+
+ // newly loaded history entry should fall in between two existing entries (index=1)
+ Map history = getFetchHistory(curi, 1);
+ assertNotNull("history", history);
+ String hash = (String)history.get(RecrawlAttributeConstants.A_CONTENT_DIGEST);
+ assertEquals("CONTENT_DIGEST", CONTENT_DIGEST_SCHEME+TestNormalHttpResponse.EXPECTED_HASH, hash);
+
+ Long ts = (Long)history.get(FetchHistoryHelper.A_TIMESTAMP);
+ assertNotNull("ts is non-null", ts);
+ assertEquals("'ts' has expected timestamp", expected_ts, ts.longValue());
+
+ // Check compatibility with FetchHistoryProcessor.
+ // TODO: This is not testing WbmPersistLoadProcessor - only testing stub fetchHistory
+ // setup above (OK as long as it matches WbmPersistLoadProcessor). We need a separate
+ // test method.
+ curi.setFetchStatus(200);
+ curi.setFetchBeginTime(System.currentTimeMillis());
+ // FetchHistoryProcessor once failed for a revisit case. We'd need to test other cases
+ // too (TODO).
+ curi.setContentDigest("sha1", digestValue0);
+ FetchHistoryProcessor fhp = new FetchHistoryProcessor();
+ fhp.process(curi);
+ }
+
+ public void testInnerProcessResultSingleShotWithRealServer() throws Exception {
+ WbmPersistLoadProcessor t = new WbmPersistLoadProcessor();
+ //CrawlURI curi = new CrawlURI(UURIFactory.getInstance("http://archive.org/"));
+ CrawlURI curi = new CrawlURI(UURIFactory.getInstance("http://www.mext.go.jp/null.gif"));
+ ProcessResult result = t.innerProcessResult(curi);
+ Map history = getFetchHistory(curi, 0);
+ assertNotNull("getFetchHistory returns non-null", history);
+ String hash = (String)history.get(RecrawlAttributeConstants.A_CONTENT_DIGEST);
+ assertNotNull("CONTENT_DIGEST is non-null", hash);
+ assertTrue("CONTENT_DIGEST starts with scheme", hash.startsWith(t.getContentDigestScheme()));
+ assertEquals("CONTENT_DIGEST is a String of length 32", 32, hash.substring(t.getContentDigestScheme().length()).length());
+
+ assertEquals("should always return PROCEED", ProcessResult.PROCEED, result);
+ }
+
+ public static class LoadTask implements Runnable {
+ private WbmPersistLoadProcessor p;
+ private String uri;
+ public LoadTask(WbmPersistLoadProcessor p, String uri) {
+ this.p = p;
+ this.uri = uri;
+ }
+ @Override
+ public void run() {
+ try {
+ CrawlURI curi = new CrawlURI(UURIFactory.getInstance(this.uri));
+ p.innerProcessResult(curi);
+ //System.err.println(curi.toString());
+ } catch (Exception ex) {
+ ex.printStackTrace();
+ }
+ }
+ }
+
+ /**
+ * test for performance.
+ * not named as test case. run this through main().
+ * @throws Exception
+ */
+ public void measureInnerProcessResultMany() throws Exception {
+ final WbmPersistLoadProcessor t = new WbmPersistLoadProcessor();
+ InputStream is = getClass().getResourceAsStream("/test-url-list.txt");
+ BufferedReader br = new BufferedReader(new InputStreamReader(is));
+ String line;
+ int nurls = 0;
+ ExecutorService executor = Executors.newFixedThreadPool(100);
+ ExecutionList tasks = new ExecutionList();
+ while ((line = br.readLine()) != null) {
+ tasks.add(new LoadTask(t, line), executor);
+ nurls++;
+ }
+ long t0 = System.currentTimeMillis();
+ tasks.execute();
+ executor.awaitTermination(30, TimeUnit.SECONDS);
+ long el = System.currentTimeMillis() - t0;
+ System.err.println(nurls + " urls, time=" + el + "ms (" + (nurls / (el / 1000.0)) + " URI/s");
+ }
+
+ public static void main() throws Exception {
+ (new WbmPersistLoadProcessorTest()).measureInnerProcessResultMany();
+ }
+}
diff --git a/pom.xml b/pom.xml
index e67d61b1..ddb2f121 100644
--- a/pom.xml
+++ b/pom.xml
@@ -118,6 +118,12 @@ http://maven.apache.org/guides/mini/guide-m1-m2.html
engine
${project.version}
+
+
+ org.apache.httpcomponents
+ httpclient
+ 4.3.3
+