Automatically calculate the state file for replication from the last node in the db

diff --git a/utils/setup.php b/utils/setup.php
index 8d5c6e39cdfd66101fcc9a4bf8b45cc705c02f53..70652fbc9b07a2d66a5c558a118c41d3d1033b7c 100755 (executable)
--- a/utils/setup.php
+++ b/utils/setup.php
@@ -32,7 +32,6 @@
                array('calculate-postcodes', '', 0, 1, 0, 0, 'bool', 'Calculate postcode centroids'),
                array('create-roads', '', 0, 1, 0, 0, 'bool', 'Calculate postcode centroids'),
                array('osmosis-init', '', 0, 1, 0, 0, 'bool', 'Generate default osmosis configuration'),
-               array('osmosis-init-date', '', 0, 1, 1, 1, 'string', 'Generate default osmosis configuration'),
                array('index', '', 0, 1, 0, 0, 'bool', 'Index the data'),
                array('index-noanalyse', '', 0, 1, 0, 0, 'bool', 'Do not perform analyse operations during index (EXPERT)'),
                array('index-output', '', 0, 1, 1, 1, 'string', 'File to dump index information to'),
@@ -84,16 +83,6 @@
                echo "WARNING: resetting cache memory to $iCacheMemory\n";
        }
 
-       if (isset($aCMDResult['osm-file']) && !isset($aCMDResult['osmosis-init-date']))
-       {
-               $sBaseFile = basename($aCMDResult['osm-file']);
-               if (preg_match('#^planet-([0-9]{2})([0-9]{2})([0-9]{2})[.]#', $sBaseFile, $aMatch))
-               {
-                       $iTime = mktime(0, 0, 0, $aMatch[2], $aMatch[3], '20'.$aMatch[1]);
-                       $iTime -= (60*60*24);
-                       $aCMDResult['osmosis-init-date'] = date('Y-m-d', $iTime).'T22:00:00Z';
-               }
-       }
        $aDSNInfo = DB::parseDSN(CONST_Database_DSN);
        if (!isset($aDSNInfo['port']) || !$aDSNInfo['port']) $aDSNInfo['port'] = 5432;
 
@@ -452,13 +441,16 @@
                if (!pg_query($oDB->connection, $sSQL)) fail(pg_last_error($oDB->connection));
        }
 
-       if (($aCMDResult['osmosis-init'] || $aCMDResult['all']) && isset($aCMDResult['osmosis-init-date']))
+       if ($aCMDResult['osmosis-init'] || $aCMDResult['all'])
        {
                $bDidSomething = true;
                $oDB =& getDB();
 
                if (!file_exists(CONST_Osmosis_Binary)) fail("please download osmosis");
-               if (file_exists(CONST_BasePath.'/settings/configuration.txt')) echo "settings/configuration.txt already exists\n";
+               if (file_exists(CONST_BasePath.'/settings/configuration.txt'))
+               {
+                       echo "settings/configuration.txt already exists\n";
+               }
                else
                {
                        passthru(CONST_Osmosis_Binary.' --read-replication-interval-init '.CONST_BasePath.'/settings');
@@ -466,21 +458,60 @@
                        passthru("sed -i 's:minute-replicate:replication/minute:' ".CONST_BasePath.'/settings/configuration.txt');
                }
 
-               $sDate = $aCMDResult['osmosis-init-date'];
-               $aDate = date_parse_from_format("Y-m-d\TH-i", $sDate);
-               $sURL = 'http://toolserver.org/~mazder/replicate-sequences/?';
-               $sURL .= 'Y='.$aDate['year'].'&m='.$aDate['month'].'&d='.$aDate['day'];
-               $sURL .= '&H='.$aDate['hour'].'&i='.$aDate['minute'].'&s=0';
-               $sURL .= '&stream=minute';
-               echo "Getting state file: $sURL\n";
-               $sStateFile = file_get_contents($sURL);
+               // Find the last node in the DB
+               $iLastOSMID = $oDB->getOne("select max(osm_id) as osm_id from place where osm_type = 'N'");
+
+               // Lookup the timestamp that node was created (less 3 hours for margin for changsets to be closed)
+               $sLastNodeURL = 'http://www.openstreetmap.org/api/0.6/node/'.$iLastOSMID;
+               $sLastNodeXML = file_get_contents($sLastNodeURL);
+               preg_match('#timestamp="(([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})Z)"#', $sLastNodeXML, $aLastNodeDate);
+               $iLastNodeTimestamp = strtotime($aLastNodeDate[1]) - (3*60*60);
+
+
+               // Search for the correct state file - uses file timestamps
+               $sRepURL = 'http://planet.openstreetmap.org/replication/minute/';
+               $sRep = file_get_contents($sRepURL);
+               preg_match_all('#<a href="[0-9]{3}/">([0-9]{3}/)</a> *(([0-9]{2})-([A-z]{3})-([0-9]{4}) ([0-9]{2}):([0-9]{2}))#', $sRep, $aRepMatches, PREG_SET_ORDER);
+               $aPrevRepMatch = false;
+               foreach($aRepMatches as $aRepMatch)
+               {
+                       if (strtotime($aRepMatch[2]) < $iLastNodeTimestamp) break;
+                       $aPrevRepMatch = $aRepMatch;
+               }
+               if ($aPrevRepMatch) $aRepMatch = $aPrevRepMatch;
+
+               $sRepURL .= $aRepMatch[1];
+               $sRep = file_get_contents($sRepURL);
+               preg_match_all('#<a href="[0-9]{3}/">([0-9]{3}/)</a> *(([0-9]{2})-([A-z]{3})-([0-9]{4}) ([0-9]{2}):([0-9]{2}))#', $sRep, $aRepMatches, PREG_SET_ORDER);
+               $aPrevRepMatch = false;
+               foreach($aRepMatches as $aRepMatch)
+               {
+                       if (strtotime($aRepMatch[2]) < $iLastNodeTimestamp) break;
+                       $aPrevRepMatch = $aRepMatch;
+               }
+               if ($aPrevRepMatch) $aRepMatch = $aPrevRepMatch;
+
+               $sRepURL .= $aRepMatch[1];
+               $sRep = file_get_contents($sRepURL);
+               preg_match_all('#<a href="[0-9]{3}.state.txt">([0-9]{3}).state.txt</a> *(([0-9]{2})-([A-z]{3})-([0-9]{4}) ([0-9]{2}):([0-9]{2}))#', $sRep, $aRepMatches, PREG_SET_ORDER);
+               $aPrevRepMatch = false;
+               foreach($aRepMatches as $aRepMatch)
+               {
+                       if (strtotime($aRepMatch[2]) < $iLastNodeTimestamp) break;
+                       $aPrevRepMatch = $aRepMatch;
+               }
+               if ($aPrevRepMatch) $aRepMatch = $aPrevRepMatch;
+
+               $sRepURL .= $aRepMatch[1].'.state.txt';
+               echo "Getting state file: $sRepURL\n";
+               $sStateFile = file_get_contents($sRepURL);
                if (!$sStateFile || strlen($sStateFile) > 1000) fail("unable to obtain state file");
                file_put_contents(CONST_BasePath.'/settings/state.txt', $sStateFile);
                echo "Updating DB status\n";
                pg_query($oDB->connection, 'TRUNCATE import_status');
-               $sSQL = "INSERT INTO import_status VALUES('".$sDate."')";
+               $sSQL = "INSERT INTO import_status VALUES('".$aRepMatch[2]."')";
                pg_query($oDB->connection, $sSQL);
-
+               exit;
        }
 
        if ($aCMDResult['index'] || $aCMDResult['all'])