(domain-info) Use appropriate sqlite database when fetching feed status

The code was always blocking for up to 5s while waiting for the remote end to become available, meaning some services would stall for several seconds on start-up for no sensible reason.

This should make most services start faster as a result.

code/common/service/java/nu/marginalia/service/client/GrpcSingleNodeChannelPool.java

@@ -32,7 +32,6 @@ public class GrpcSingleNodeChannelPool<STUB> extends ServiceChangeMonitor {
     private final Function<InstanceAddress, ManagedChannel> channelConstructor;
     private final Function<ManagedChannel, STUB> stubConstructor;
 
-
     public GrpcSingleNodeChannelPool(ServiceRegistryIf serviceRegistryIf,
                                      ServiceKey<? extends PartitionTraits.Unicast> serviceKey,
                                      Function<InstanceAddress, ManagedChannel> channelConstructor,
@@ -48,8 +47,6 @@ public class GrpcSingleNodeChannelPool<STUB> extends ServiceChangeMonitor {
         serviceRegistryIf.registerMonitor(this);
 
         onChange();
-
-        awaitChannel(Duration.ofSeconds(5));
     }
 
 

code/functions/domain-info/api/src/main/protobuf/domain-info.proto

@@ -101,6 +101,7 @@ message RpcSimilarDomain {
   bool active = 6;
   bool screenshot = 7;
   LINK_TYPE linkType = 8;
+  bool feed = 9;
 
   enum LINK_TYPE {
       BACKWARD = 0;

code/functions/domain-info/java/nu/marginalia/functions/domains/SimilarDomainsService.java

@@ -9,6 +9,7 @@ import gnu.trove.map.hash.TIntIntHashMap;
 import gnu.trove.set.TIntSet;
 import gnu.trove.set.hash.TIntHashSet;
 import it.unimi.dsi.fastutil.ints.Int2DoubleArrayMap;
+import nu.marginalia.WmsaHome;
 import nu.marginalia.api.domains.RpcSimilarDomain;
 import nu.marginalia.api.domains.model.SimilarDomain;
 import nu.marginalia.api.linkgraph.AggregateLinkGraphClient;
@@ -17,10 +18,14 @@ import org.roaringbitmap.RoaringBitmap;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.nio.file.Path;
+import java.sql.DriverManager;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.util.ArrayList;
+import java.util.HashSet;
 import java.util.List;
+import java.util.Set;
 import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
@@ -32,12 +37,13 @@ public class SimilarDomainsService {
     private final HikariDataSource dataSource;
     private final AggregateLinkGraphClient linkGraphClient;
 
-    private volatile TIntIntHashMap domainIdToIdx = new TIntIntHashMap(100_000);
+    private final TIntIntHashMap domainIdToIdx = new TIntIntHashMap(100_000);
     private volatile int[] domainIdxToId;
 
     public volatile Int2DoubleArrayMap[] relatedDomains;
     public volatile TIntList[] domainNeighbors = null;
     public volatile RoaringBitmap screenshotDomains = null;
+    public volatile RoaringBitmap feedDomains = null;
     public volatile RoaringBitmap activeDomains = null;
     public volatile RoaringBitmap indexedDomains = null;
     public volatile TIntDoubleHashMap domainRanks = null;
@@ -82,6 +88,7 @@ public class SimilarDomainsService {
                 domainNames = new String[domainIdToIdx.size()];
                 domainNeighbors = new TIntList[domainIdToIdx.size()];
                 screenshotDomains = new RoaringBitmap();
+                feedDomains = new RoaringBitmap();
                 activeDomains = new RoaringBitmap();
                 indexedDomains = new RoaringBitmap();
                 relatedDomains = new Int2DoubleArrayMap[domainIdToIdx.size()];
@@ -145,10 +152,12 @@ public class SimilarDomainsService {
                         activeDomains.add(idx);
                 }
 
-                updateScreenshotInfo();
-
                 logger.info("Loaded {} domains", domainRanks.size());
                 isReady = true;
+
+                // We can defer these as they only populate a roaringbitmap, and will degrade gracefully when not complete
+                updateScreenshotInfo();
+                updateFeedInfo();
             }
         }
         catch (SQLException throwables) {
@@ -156,6 +165,42 @@ public class SimilarDomainsService {
         }
     }
 
+    private void updateFeedInfo() {
+        Set<String> feedsDomainNames = new HashSet<>(500_000);
+        Path readerDbPath = WmsaHome.getDataPath().resolve("rss-feeds.db").toAbsolutePath();
+        String dbUrl = "jdbc:sqlite:" + readerDbPath;
+
+        logger.info("Opening feed db at " + dbUrl);
+
+        try (var conn = DriverManager.getConnection(dbUrl);
+             var stmt = conn.createStatement()) {
+            var rs = stmt.executeQuery("""
+                select
+                    json_extract(feed, '$.domain') as domain
+                from feed
+                where json_array_length(feed, '$.items') > 0
+                """);
+            while (rs.next()) {
+                feedsDomainNames.add(rs.getString(1));
+            }
+        }
+        catch (SQLException ex) {
+            logger.error("Failed to read RSS feed items", ex);
+        }
+
+        for (int idx = 0; idx < domainNames.length; idx++) {
+            String name = domainNames[idx];
+            if (name == null) {
+                continue;
+            }
+
+            if (feedsDomainNames.contains(name)) {
+                feedDomains.add(idx);
+            }
+        }
+
+    }
+
     private void updateScreenshotInfo() {
         try (var connection = dataSource.getConnection()) {
             try (var stmt = connection.createStatement()) {
@@ -254,6 +299,7 @@ public class SimilarDomainsService {
                     .setIndexed(indexedDomains.contains(idx))
                     .setActive(activeDomains.contains(idx))
                     .setScreenshot(screenshotDomains.contains(idx))
+                    .setFeed(feedDomains.contains(idx))
                     .setLinkType(RpcSimilarDomain.LINK_TYPE.valueOf(linkType.name()))
                     .build());
 
@@ -369,6 +415,7 @@ public class SimilarDomainsService {
                             .setIndexed(indexedDomains.contains(idx))
                             .setActive(activeDomains.contains(idx))
                             .setScreenshot(screenshotDomains.contains(idx))
+                            .setFeed(feedDomains.contains(idx))
                             .setLinkType(RpcSimilarDomain.LINK_TYPE.valueOf(linkType.name()))
                     .build());
 

code/functions/live-capture/java/nu/marginalia/rss/svc/FeedFetcherService.java

@@ -402,6 +402,7 @@ public class FeedFetcherService {
             "–", "-",
             "’", "'",
             "‘", "'",
+            """, "\"",
             " ", ""
     );
 

code/functions/live-capture/test/nu/marginalia/rss/svc/TestXmlSanitization.java

@@ -10,7 +10,6 @@ public class TestXmlSanitization {
         Assertions.assertEquals("&", FeedFetcherService.sanitizeEntities("&"));
         Assertions.assertEquals("<", FeedFetcherService.sanitizeEntities("<"));
         Assertions.assertEquals(">", FeedFetcherService.sanitizeEntities(">"));
-        Assertions.assertEquals(""", FeedFetcherService.sanitizeEntities("""));
         Assertions.assertEquals("'", FeedFetcherService.sanitizeEntities("'"));
     }
 
@@ -23,4 +22,9 @@ public class TestXmlSanitization {
     public void testTranslatedHtmlEntity() {
         Assertions.assertEquals("Foo -- Bar", FeedFetcherService.sanitizeEntities("Foo — Bar"));
     }
+
+    @Test
+    public void testTranslatedHtmlEntityQuot() {
+        Assertions.assertEquals("\"Bob\"", FeedFetcherService.sanitizeEntities(""Bob""));
+    }
 }

code/functions/search-query/api/java/nu/marginalia/api/searchquery/QueryClient.java

@@ -9,10 +9,9 @@ import nu.marginalia.service.client.GrpcChannelPoolFactory;
 import nu.marginalia.service.client.GrpcSingleNodeChannelPool;
 import nu.marginalia.service.discovery.property.ServiceKey;
 import nu.marginalia.service.discovery.property.ServicePartition;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 import javax.annotation.CheckReturnValue;
+import java.time.Duration;
 
 @Singleton
 public class QueryClient  {
@@ -24,13 +23,14 @@ public class QueryClient  {
 
     private final GrpcSingleNodeChannelPool<QueryApiGrpc.QueryApiBlockingStub> queryApiPool;
 
-    private final Logger logger = LoggerFactory.getLogger(getClass());
-
     @Inject
-    public QueryClient(GrpcChannelPoolFactory channelPoolFactory) {
+    public QueryClient(GrpcChannelPoolFactory channelPoolFactory) throws InterruptedException {
         this.queryApiPool = channelPoolFactory.createSingle(
                 ServiceKey.forGrpcApi(QueryApiGrpc.class, ServicePartition.any()),
                 QueryApiGrpc::newBlockingStub);
+
+        // Hold up initialization until we have a downstream connection
+        this.queryApiPool.awaitChannel(Duration.ofSeconds(5));
     }
 
     @CheckReturnValue

code/functions/search-query/java/nu/marginalia/functions/searchquery/query_parser/QueryParser.java

@@ -155,16 +155,25 @@ public class QueryParser {
 
         // Remove trailing punctuation
         int lastChar = str.charAt(str.length() - 1);
-        if (":.,!?$'".indexOf(lastChar) >= 0)
-            entity.replace(new QueryToken.LiteralTerm(str.substring(0, str.length() - 1), lt.displayStr()));
+        if (":.,!?$'".indexOf(lastChar) >= 0) {
+            str = str.substring(0, str.length() - 1);
+            entity.replace(new QueryToken.LiteralTerm(str, lt.displayStr()));
+        }
 
         // Remove term elements that aren't indexed by the search engine
-        if (str.endsWith("'s"))
-            entity.replace(new QueryToken.LiteralTerm(str.substring(0, str.length() - 2), lt.displayStr()));
-        if (str.endsWith("()"))
-            entity.replace(new QueryToken.LiteralTerm(str.substring(0, str.length() - 2), lt.displayStr()));
-        if (str.startsWith("$"))
-            entity.replace(new QueryToken.LiteralTerm(str.substring(1), lt.displayStr()));
+        if (str.endsWith("'s")) {
+            str = str.substring(0, str.length() - 2);
+            entity.replace(new QueryToken.LiteralTerm(str, lt.displayStr()));
+        }
+        if (str.endsWith("()")) {
+            str = str.substring(0, str.length() - 2);
+            entity.replace(new QueryToken.LiteralTerm(str, lt.displayStr()));
+        }
+
+        while (str.startsWith("$") || str.startsWith("_")) {
+            str = str.substring(1);
+            entity.replace(new QueryToken.LiteralTerm(str, lt.displayStr()));
+        }
 
         if (entity.isBlank()) {
             entity.remove();

code/functions/search-query/test/nu/marginalia/functions/searchquery/query_parser/QueryParserTest.java

@@ -0,0 +1,32 @@
+package nu.marginalia.functions.searchquery.query_parser;
+
+import nu.marginalia.functions.searchquery.query_parser.token.QueryToken;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+
+class QueryParserTest {
+
+    @Test
+    // https://github.com/MarginaliaSearch/MarginaliaSearch/issues/140
+    void parse__builtin_ffs() {
+        QueryParser parser = new QueryParser();
+        var tokens = parser.parse("__builtin_ffs");
+        Assertions.assertEquals(List.of(new QueryToken.LiteralTerm("builtin_ffs", "__builtin_ffs")), tokens);
+    }
+
+    @Test
+    void trailingParens() {
+        QueryParser parser = new QueryParser();
+        var tokens = parser.parse("strcpy()");
+        Assertions.assertEquals(List.of(new QueryToken.LiteralTerm("strcpy", "strcpy()")), tokens);
+    }
+
+    @Test
+    void trailingQuote() {
+        QueryParser parser = new QueryParser();
+        var tokens = parser.parse("bob's");
+        Assertions.assertEquals(List.of(new QueryToken.LiteralTerm("bob", "bob's")), tokens);
+    }
+}