mirror of
https://github.com/osm-search/Nominatim.git
synced 2024-09-20 07:29:27 +03:00
526 lines
18 KiB
C
526 lines
18 KiB
C
/*
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* triggers indexing (reparenting etc.) through setting resetting indexed_status: update placex/osmline set indexed_status = 0 where indexed_status > 0
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* triggers placex_update and osmline_update
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include <pthread.h>
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#include <time.h>
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#include <stdint.h>
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#include <libpq-fe.h>
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#include "nominatim.h"
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#include "index.h"
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#include "export.h"
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#include "postgresql.h"
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extern int verbose;
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void run_indexing(int rank, int interpolation, PGconn *conn, int num_threads,
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struct index_thread_data * thread_data, const char *structuredoutputfile)
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{
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int tuples, count, sleepcount;
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pthread_mutex_t count_mutex = PTHREAD_MUTEX_INITIALIZER;
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time_t rankStartTime;
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int rankTotalTuples;
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int rankCountTuples;
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float rankPerSecond;
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PGresult * resSectors;
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PGresult * resPlaces;
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PGresult * resNULL;
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int i;
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int iSector;
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int iResult;
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const char *paramValues[2];
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int paramLengths[2];
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int paramFormats[2];
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uint32_t paramRank;
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uint32_t paramSector;
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uint32_t sector;
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xmlTextWriterPtr writer;
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pthread_mutex_t writer_mutex = PTHREAD_MUTEX_INITIALIZER;
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// Create the output file
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writer = NULL;
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if (structuredoutputfile)
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{
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writer = nominatim_exportXMLStart(structuredoutputfile);
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}
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if (interpolation)
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{
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fprintf(stderr, "Starting interpolation lines (location_property_osmline)\n");
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}
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else
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{
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fprintf(stderr, "Starting rank %d\n", rank);
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}
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rankCountTuples = 0;
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rankPerSecond = 0;
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paramRank = PGint32(rank);
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paramValues[0] = (char *)¶mRank;
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paramLengths[0] = sizeof(paramRank);
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paramFormats[0] = 1;
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if (interpolation)
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{
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resSectors = PQexecPrepared(conn, "index_sectors_osmline", 0, NULL, 0, NULL, 1);
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}
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else
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{
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resSectors = PQexecPrepared(conn, "index_sectors", 1, paramValues, paramLengths, paramFormats, 1);
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}
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if (PQresultStatus(resSectors) != PGRES_TUPLES_OK)
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{
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fprintf(stderr, "index_sectors: SELECT failed: %s", PQerrorMessage(conn));
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PQclear(resSectors);
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exit(EXIT_FAILURE);
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}
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if (PQftype(resSectors, 0) != PG_OID_INT4)
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{
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fprintf(stderr, "Sector value has unexpected type\n");
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PQclear(resSectors);
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exit(EXIT_FAILURE);
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}
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if (PQftype(resSectors, 1) != PG_OID_INT8)
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{
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fprintf(stderr, "Sector value has unexpected type\n");
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PQclear(resSectors);
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exit(EXIT_FAILURE);
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}
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rankTotalTuples = 0;
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for (iSector = 0; iSector < PQntuples(resSectors); iSector++)
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{
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rankTotalTuples += PGint64(*((uint64_t *)PQgetvalue(resSectors, iSector, 1)));
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}
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rankStartTime = time(0);
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for (iSector = 0; iSector <= PQntuples(resSectors); iSector++)
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{
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if (iSector > 0)
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{
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resPlaces = PQgetResult(conn);
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if (PQresultStatus(resPlaces) != PGRES_TUPLES_OK)
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{
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fprintf(stderr, "index_sector_places: SELECT failed: %s", PQerrorMessage(conn));
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PQclear(resPlaces);
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exit(EXIT_FAILURE);
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}
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if (PQftype(resPlaces, 0) != PG_OID_INT8)
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{
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fprintf(stderr, "Place_id value has unexpected type\n");
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PQclear(resPlaces);
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exit(EXIT_FAILURE);
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}
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resNULL = PQgetResult(conn);
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if (resNULL != NULL)
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{
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fprintf(stderr, "Unexpected non-null response\n");
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exit(EXIT_FAILURE);
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}
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}
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if (iSector < PQntuples(resSectors))
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{
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sector = PGint32(*((uint32_t *)PQgetvalue(resSectors, iSector, 0)));
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// fprintf(stderr, "\n Starting sector %d size %ld\n", sector, PGint64(*((uint64_t *)PQgetvalue(resSectors, iSector, 1))));
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// Get all the place_id's for this sector
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paramRank = PGint32(rank);
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paramSector = PGint32(sector);
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if (rankTotalTuples-rankCountTuples < num_threads*1000)
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{
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// no sectors
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if (interpolation)
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{
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iResult = PQsendQueryPrepared(conn, "index_nosector_places_osmline", 0, NULL, 0, NULL, 1);
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}
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else
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{
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paramValues[0] = (char *)¶mRank;
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paramLengths[0] = sizeof(paramRank);
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paramFormats[0] = 1;
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iResult = PQsendQueryPrepared(conn, "index_nosector_places", 1, paramValues, paramLengths, paramFormats, 1);
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}
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}
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else
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{
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if (interpolation)
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{
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iResult = PQsendQueryPrepared(conn, "index_sector_places_osmline", 1, paramValues, paramLengths, paramFormats, 1);
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paramValues[0] = (char *)¶mSector;
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paramLengths[0] = sizeof(paramSector);
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paramFormats[0] = 1;
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}
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else
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{
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paramValues[0] = (char *)¶mRank;
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paramLengths[0] = sizeof(paramRank);
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paramFormats[0] = 1;
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paramValues[1] = (char *)¶mSector;
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paramLengths[1] = sizeof(paramSector);
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paramFormats[1] = 1;
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iResult = PQsendQueryPrepared(conn, "index_sector_places", 2, paramValues, paramLengths, paramFormats, 1);
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}
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}
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if (!iResult)
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{
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fprintf(stderr, "index_sector_places: SELECT failed: %s", PQerrorMessage(conn));
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PQclear(resPlaces);
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exit(EXIT_FAILURE);
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}
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}
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if (iSector > 0)
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{
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count = 0;
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rankPerSecond = 0;
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tuples = PQntuples(resPlaces);
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if (tuples > 0)
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{
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// Spawn threads
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for (i = 0; i < num_threads; i++)
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{
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thread_data[i].res = resPlaces;
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thread_data[i].tuples = tuples;
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thread_data[i].count = &count;
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thread_data[i].count_mutex = &count_mutex;
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thread_data[i].writer = writer;
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thread_data[i].writer_mutex = &writer_mutex;
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if (interpolation)
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{
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thread_data[i].table = 0; // use interpolations table
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}
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else
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{
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thread_data[i].table = 1; // use placex table
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}
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pthread_create(&thread_data[i].thread, NULL, &nominatim_indexThread, (void *)&thread_data[i]);
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}
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// Monitor threads to give user feedback
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sleepcount = 0;
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while (count < tuples)
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{
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usleep(1000);
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// Aim for one update per second
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if (sleepcount++ > 500)
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{
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rankPerSecond = ((float)rankCountTuples + (float)count) / MAX(difftime(time(0), rankStartTime),1);
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if(interpolation)
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{
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fprintf(stderr, " Done %i in %i @ %f per second - Interpolation lines ETA (seconds): %f\n", (rankCountTuples + count), (int)(difftime(time(0), rankStartTime)), rankPerSecond, ((float)(rankTotalTuples - (rankCountTuples + count)))/rankPerSecond);
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}
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else
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{
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fprintf(stderr, " Done %i in %i @ %f per second - Rank %i ETA (seconds): %f\n", (rankCountTuples + count), (int)(difftime(time(0), rankStartTime)), rankPerSecond, rank, ((float)(rankTotalTuples - (rankCountTuples + count)))/rankPerSecond);
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}
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sleepcount = 0;
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}
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}
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// Wait for everything to finish
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for (i = 0; i < num_threads; i++)
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{
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pthread_join(thread_data[i].thread, NULL);
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}
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rankCountTuples += tuples;
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}
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// Finished sector
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rankPerSecond = (float)rankCountTuples / MAX(difftime(time(0), rankStartTime),1);
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fprintf(stderr, " Done %i in %i @ %f per second - ETA (seconds): %f\n", rankCountTuples, (int)(difftime(time(0), rankStartTime)), rankPerSecond, ((float)(rankTotalTuples - rankCountTuples))/rankPerSecond);
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PQclear(resPlaces);
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}
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if (rankTotalTuples-rankCountTuples < num_threads*20 && iSector < PQntuples(resSectors))
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{
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iSector = PQntuples(resSectors) - 1;
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}
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}
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// Finished rank
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fprintf(stderr, "\r Done %i in %i @ %f per second - FINISHED\n\n", rankCountTuples, (int)(difftime(time(0), rankStartTime)), rankPerSecond);
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PQclear(resSectors);
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}
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void nominatim_index(int rank_min, int rank_max, int num_threads, const char *conninfo, const char *structuredoutputfile)
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{
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struct index_thread_data * thread_data;
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PGconn *conn;
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PGresult * res;
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int rank;
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int i;
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xmlTextWriterPtr writer;
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pthread_mutex_t writer_mutex = PTHREAD_MUTEX_INITIALIZER;
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Oid pg_prepare_params[2];
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conn = PQconnectdb(conninfo);
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if (PQstatus(conn) != CONNECTION_OK)
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{
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fprintf(stderr, "Connection to database failed: %s\n", PQerrorMessage(conn));
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exit(EXIT_FAILURE);
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}
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pg_prepare_params[0] = PG_OID_INT4;
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res = PQprepare(conn, "index_sectors",
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"select geometry_sector,count(*) from placex where rank_search = $1 and indexed_status > 0 group by geometry_sector order by geometry_sector",
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1, pg_prepare_params);
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if (PQresultStatus(res) != PGRES_COMMAND_OK)
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{
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fprintf(stderr, "Failed preparing index_sectors: %s\n", PQerrorMessage(conn));
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exit(EXIT_FAILURE);
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}
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PQclear(res);
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res = PQprepare(conn, "index_sectors_osmline",
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"select geometry_sector,count(*) from location_property_osmline where indexed_status > 0 group by geometry_sector order by geometry_sector",
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0, NULL);
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if (PQresultStatus(res) != PGRES_COMMAND_OK)
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{
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fprintf(stderr, "Failed preparing index_sectors: %s\n", PQerrorMessage(conn));
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exit(EXIT_FAILURE);
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}
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PQclear(res);
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pg_prepare_params[0] = PG_OID_INT4;
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res = PQprepare(conn, "index_nosectors",
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"select 0::integer,count(*) from placex where rank_search = $1 and indexed_status > 0",
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1, pg_prepare_params);
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if (PQresultStatus(res) != PGRES_COMMAND_OK)
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{
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fprintf(stderr, "Failed preparing index_sectors: %s\n", PQerrorMessage(conn));
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exit(EXIT_FAILURE);
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}
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PQclear(res);
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pg_prepare_params[0] = PG_OID_INT4;
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pg_prepare_params[1] = PG_OID_INT4;
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res = PQprepare(conn, "index_sector_places",
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"select place_id from placex where rank_search = $1 and geometry_sector = $2 and indexed_status > 0",
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2, pg_prepare_params);
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if (PQresultStatus(res) != PGRES_COMMAND_OK)
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{
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fprintf(stderr, "Failed preparing index_sector_places: %s\n", PQerrorMessage(conn));
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exit(EXIT_FAILURE);
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}
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PQclear(res);
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pg_prepare_params[0] = PG_OID_INT4;
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res = PQprepare(conn, "index_nosector_places",
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"select place_id from placex where rank_search = $1 and indexed_status > 0 order by geometry_sector",
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1, pg_prepare_params);
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if (PQresultStatus(res) != PGRES_COMMAND_OK)
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{
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fprintf(stderr, "Failed preparing index_nosector_places: %s\n", PQerrorMessage(conn));
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exit(EXIT_FAILURE);
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}
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PQclear(res);
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pg_prepare_params[0] = PG_OID_INT4;
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res = PQprepare(conn, "index_sector_places_osmline",
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"select place_id from location_property_osmline where geometry_sector = $1 and indexed_status > 0",
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1, pg_prepare_params);
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if (PQresultStatus(res) != PGRES_COMMAND_OK)
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{
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fprintf(stderr, "Failed preparing index_sector_places: %s\n", PQerrorMessage(conn));
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exit(EXIT_FAILURE);
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}
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PQclear(res);
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res = PQprepare(conn, "index_nosector_places_osmline",
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"select place_id from location_property_osmline where indexed_status > 0 order by geometry_sector",
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0, NULL);
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if (PQresultStatus(res) != PGRES_COMMAND_OK)
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{
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fprintf(stderr, "Failed preparing index_nosector_places: %s\n", PQerrorMessage(conn));
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exit(EXIT_FAILURE);
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}
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PQclear(res);
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// Build the data for each thread
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thread_data = (struct index_thread_data *)malloc(sizeof(struct index_thread_data)*num_threads);
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for (i = 0; i < num_threads; i++)
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{
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thread_data[i].conn = PQconnectdb(conninfo);
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if (PQstatus(thread_data[i].conn) != CONNECTION_OK)
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{
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fprintf(stderr, "Connection to database failed: %s\n", PQerrorMessage(thread_data[i].conn));
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exit(EXIT_FAILURE);
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}
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pg_prepare_params[0] = PG_OID_INT8;
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res = PQprepare(thread_data[i].conn, "index_placex",
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"update placex set indexed_status = 0 where place_id = $1",
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1, pg_prepare_params);
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if (PQresultStatus(res) != PGRES_COMMAND_OK)
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{
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fprintf(stderr, "Failed preparing index_placex: %s\n", PQerrorMessage(conn));
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exit(EXIT_FAILURE);
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}
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PQclear(res);
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pg_prepare_params[0] = PG_OID_INT8;
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res = PQprepare(thread_data[i].conn, "index_osmline",
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"update location_property_osmline set indexed_status = 0 where place_id = $1",
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1, pg_prepare_params);
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if (PQresultStatus(res) != PGRES_COMMAND_OK)
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{
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fprintf(stderr, "Failed preparing index_osmline: %s\n", PQerrorMessage(conn));
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exit(EXIT_FAILURE);
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}
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PQclear(res);
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/*res = PQexec(thread_data[i].conn, "set enable_seqscan = false");
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if (PQresultStatus(res) != PGRES_COMMAND_OK)
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{
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fprintf(stderr, "Failed disabling sequential scan: %s\n", PQerrorMessage(conn));
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exit(EXIT_FAILURE);
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}
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PQclear(res);*/
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nominatim_exportCreatePreparedQueries(thread_data[i].conn);
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}
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fprintf(stderr, "Starting indexing rank (%i to %i) using %i threads\n", rank_min, rank_max, num_threads);
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for (rank = rank_min; rank <= rank_max; rank++)
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{
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// OSMLINE: do reindexing (=> reparenting) for interpolation lines at rank 30, but before all other objects of rank 30
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// reason: houses (rank 30) depend on the updated interpolation line, when reparenting (see placex_update in functions.sql)
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if (rank == 30)
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{
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run_indexing(rank, 1, conn, num_threads, thread_data, structuredoutputfile);
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}
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run_indexing(rank, 0, conn, num_threads, thread_data, structuredoutputfile);
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}
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// Close all connections
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for (i = 0; i < num_threads; i++)
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{
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PQfinish(thread_data[i].conn);
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}
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PQfinish(conn);
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}
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void *nominatim_indexThread(void * thread_data_in)
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{
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struct index_thread_data * thread_data = (struct index_thread_data * )thread_data_in;
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struct export_data querySet;
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PGresult *res;
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const char *paramValues[1];
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int paramLengths[1];
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int paramFormats[1];
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uint64_t paramPlaceID;
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uint64_t place_id;
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time_t updateStartTime;
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uint table;
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table = (uint)(thread_data->table);
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while (1)
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{
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pthread_mutex_lock( thread_data->count_mutex );
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if (*(thread_data->count) >= thread_data->tuples)
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{
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pthread_mutex_unlock( thread_data->count_mutex );
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break;
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}
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place_id = PGint64(*((uint64_t *)PQgetvalue(thread_data->res, *thread_data->count, 0)));
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(*thread_data->count)++;
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pthread_mutex_unlock( thread_data->count_mutex );
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if (verbose) fprintf(stderr, " Processing place_id %ld\n", place_id);
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updateStartTime = time(0);
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int done = 0;
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if (thread_data->writer)
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{
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nominatim_exportPlaceQueries(place_id, thread_data->conn, &querySet);
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}
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while(!done)
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{
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paramPlaceID = PGint64(place_id);
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paramValues[0] = (char *)¶mPlaceID;
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paramLengths[0] = sizeof(paramPlaceID);
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paramFormats[0] = 1;
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if (table == 1) // table=1 for placex
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{
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res = PQexecPrepared(thread_data->conn, "index_placex", 1, paramValues, paramLengths, paramFormats, 1);
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}
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else // table=0 for osmline
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{
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res = PQexecPrepared(thread_data->conn, "index_osmline", 1, paramValues, paramLengths, paramFormats, 1);
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}
|
|
if (PQresultStatus(res) == PGRES_COMMAND_OK)
|
|
done = 1;
|
|
else
|
|
{
|
|
if (!strncmp(PQerrorMessage(thread_data->conn), "ERROR: deadlock detected", 25))
|
|
{
|
|
if (table == 1)
|
|
{
|
|
fprintf(stderr, "index_placex: UPDATE failed - deadlock, retrying (%ld)\n", place_id);
|
|
}
|
|
else
|
|
{
|
|
fprintf(stderr, "index_osmline: UPDATE failed - deadlock, retrying (%ld)\n", place_id);
|
|
}
|
|
PQclear(res);
|
|
sleep(rand() % 10);
|
|
}
|
|
else
|
|
{
|
|
if (table == 1)
|
|
{
|
|
fprintf(stderr, "index_placex: UPDATE failed: %s", PQerrorMessage(thread_data->conn));
|
|
}
|
|
else
|
|
{
|
|
fprintf(stderr, "index_osmline: UPDATE failed: %s", PQerrorMessage(thread_data->conn));
|
|
}
|
|
PQclear(res);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
}
|
|
PQclear(res);
|
|
if (difftime(time(0), updateStartTime) > 1) fprintf(stderr, " Slow place_id %ld\n", place_id);
|
|
|
|
if (thread_data->writer)
|
|
{
|
|
nominatim_exportPlace(place_id, thread_data->conn, thread_data->writer, thread_data->writer_mutex, &querySet);
|
|
nominatim_exportFreeQueries(&querySet);
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|