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/**
* Navit, a modular navigation system.
* Copyright (C) 2005-2011 Navit Team
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <string.h>
#include <stdlib.h>
#include <math.h>
#include <unistd.h>
#include "maptool.h"
#include "debug.h"
#include "linguistics.h"
#include "file.h"
#ifdef HAVE_POSTGRESQL
#include <libpq-fe.h>
int
map_collect_data_osm_db(char *dbstr, struct maptool_osm *osm)
{
PGconn *conn;
PGresult *res,*node,*way,*tag;
int count,tagged,i,j,k;
long min, max, id, tag_id, node_id;
char query[256];
sig_alrm(0);
conn=PQconnectdb(dbstr);
if (! conn) {
fprintf(stderr,"Failed to connect to database with '%s'\n",dbstr);
exit(1);
}
res=PQexec(conn, "begin");
if (! res) {
fprintf(stderr, "Cannot begin transaction: %s\n", PQerrorMessage(conn));
PQclear(res);
exit(1);
}
res=PQexec(conn, "set transaction isolation level serializable");
if (! res) {
fprintf(stderr, "Cannot set isolation level: %s\n", PQerrorMessage(conn));
PQclear(res);
exit(1);
}
res=PQexec(conn, "declare node cursor for select id,x(coordinate),y(coordinate) from node order by id");
if (! res) {
fprintf(stderr, "Cannot setup cursor for nodes: %s\n", PQerrorMessage(conn));
PQclear(res);
exit(1);
}
res=PQexec(conn, "declare way cursor for select id from way order by id");
if (! res) {
fprintf(stderr, "Cannot setup cursor for nodes: %s\n", PQerrorMessage(conn));
PQclear(res);
exit(1);
}
res=PQexec(conn, "declare relation cursor for select id from relation order by id");
if (! res) {
fprintf(stderr, "Cannot setup cursor for nodes: %s\n", PQerrorMessage(conn));
PQclear(res);
exit(1);
}
for (;;) {
node=PQexec(conn, "fetch 100000 from node");
if (! node) {
fprintf(stderr, "Cannot setup cursor for nodes: %s\n", PQerrorMessage(conn));
PQclear(node);
exit(1);
}
count=PQntuples(node);
if (! count)
break;
min=atol(PQgetvalue(node, 0, 0));
max=atol(PQgetvalue(node, count-1, 0));
sprintf(query,"select node_id,name,value from node_tag where node_id >= %ld and node_id <= %ld order by node_id", min, max);
tag=PQexec(conn, query);
if (! tag) {
fprintf(stderr, "Cannot query node_tag: %s\n", PQerrorMessage(conn));
exit(1);
}
j=0;
for (i = 0 ; i < count ; i++) {
id=atol(PQgetvalue(node, i, 0));
osm_add_node(id, atof(PQgetvalue(node, i, 1)), atof(PQgetvalue(node, i, 2)));
tagged=0;
processed_nodes++;
while (j < PQntuples(tag)) {
tag_id=atol(PQgetvalue(tag, j, 0));
if (tag_id == id) {
osm_add_tag(PQgetvalue(tag, j, 1), PQgetvalue(tag, j, 2));
tagged=1;
j++;
}
if (tag_id < id)
j++;
if (tag_id > id)
break;
}
osm_end_node(osm);
}
PQclear(tag);
PQclear(node);
}
for (;;) {
way=PQexec(conn, "fetch 100000 from way");
if (! way) {
fprintf(stderr, "Cannot setup cursor for ways: %s\n", PQerrorMessage(conn));
PQclear(node);
exit(1);
}
count=PQntuples(way);
if (! count)
break;
min=atol(PQgetvalue(way, 0, 0));
max=atol(PQgetvalue(way, count-1, 0));
sprintf(query,"select way_id,node_id from way_node where way_id >= %ld and way_id <= %ld order by way_id,sequence_id", min, max);
node=PQexec(conn, query);
if (! node) {
fprintf(stderr, "Cannot query way_node: %s\n", PQerrorMessage(conn));
exit(1);
}
sprintf(query,"select way_id,name,value from way_tag where way_id >= %ld and way_id <= %ld order by way_id", min, max);
tag=PQexec(conn, query);
if (! tag) {
fprintf(stderr, "Cannot query way_tag: %s\n", PQerrorMessage(conn));
exit(1);
}
j=0;
k=0;
for (i = 0 ; i < count ; i++) {
id=atol(PQgetvalue(way, i, 0));
osm_add_way(id);
tagged=0;
processed_ways++;
while (k < PQntuples(node)) {
node_id=atol(PQgetvalue(node, k, 0));
if (node_id == id) {
osm_add_nd(atoll(PQgetvalue(node, k, 1)));
tagged=1;
k++;
}
if (node_id < id)
k++;
if (node_id > id)
break;
}
while (j < PQntuples(tag)) {
tag_id=atol(PQgetvalue(tag, j, 0));
if (tag_id == id) {
osm_add_tag(PQgetvalue(tag, j, 1), PQgetvalue(tag, j, 2));
tagged=1;
j++;
}
if (tag_id < id)
j++;
if (tag_id > id)
break;
}
if (tagged)
osm_end_way(osm);
}
PQclear(tag);
PQclear(node);
PQclear(way);
}
res=PQexec(conn, "commit");
if (! res) {
fprintf(stderr, "Cannot commit transaction: %s\n", PQerrorMessage(conn));
PQclear(res);
exit(1);
}
sig_alrm(0);
sig_alrm_end();
return 1;
}
#endif
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