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| <?php
class DB
{
//Member Zone
var $dataserver;
var $database;
var $result;
var $row_result;
var $error_name;
var $error_number;
//Methode Zone
function DB()
{
}
function DBDown()
//database down
{
$this->error_number = mysql_errno();
$this->error_name = mysql_error();
print "Database down";
if ($this->error_name != "")
{
print "<br>" . $this->error_number . ": " . $this->error_name . "<br>";
}
exit();
}
function Open($plocation,$puser,$ppassword,$pdb)
//Open a connection to a MySQL Server
{
$this->database = $pdb;
if(!$this->dataserver = mysql_pconnect($plocation, $puser, $ppassword))
{
DB::DBDown();
}
}
function executeSQL($sql)
//Query database
{
if (!$res=mysql_query($sql,$this->dataserver))
{
DB::DBDown();
}
$this->row_result=0;
$this->result=array();
//print "sql=".$sql."<br>";
if ((strpos("_".$sql,'SELECT'))||(strpos("_".$sql,'SHOW'))||(strpos("_".$sql,'DESCRIBE'))||(strpos("_".$sql,'EXPLAIN')))
{
while ($this->result[]=mysql_fetch_array($res, MYSQL_NUM))
{
$this->row_result++;
}
}
}
function cleanSQL($param)
//Clean sql parameters
{
return mysql_real_escape_string($param,$this->dataserver);
}
}
class SyncronizeDB
{
//Member Zone
var $db_master;
var $table_master;
var $idx_master;
var $col_master;
var $db_slave;
var $table_slave;
var $idx_slave;
var $col_slave;
//Methode Zone
function SyncronizeDB()
//HelpdeskDB Constructor
{
}
function masterColumns()
{
//return columns name
$this->db_master->executeSQL("SHOW COLUMNS from ".$this->db_master->database.".".$this->table_master);
$i = 0;
$col = "";
foreach ($this->db_master->result as $row)
{
if ($row != "")
{
if ($i == 1) $col .= ",";
$col .= $row[0];
if ($i == 0) $i = 1;
}
}
return $col;
}
function masterAllIndexes()
{
//return all index value
$this->db_master->executeSQL("SELECT ".$this->idx_master." from ".$this->db_master->database.".".$this->table_master);
}
function masterDataRows($sin)
{
// return data from master database
$this->db_master->executeSQL("SELECT * from ".$this->db_master->database.".".$this->table_master." where ".$this->idx_master." in (".$sin.")");
}
function masterSet($mplocation, $mpuser, $mppassword, $mpdb, $mptable, $mpidx)
//set master database
{
$this->table_master = $mptable;
$this->idx_master = $mpidx;
$this->db_master = new DB();
$this->db_master->Open($mplocation,$mpuser,$mppassword,$mpdb);
$this->col_master = $this->masterColumns();
}
function slaveColumns()
{
//return columns name
$this->db_slave->executeSQL("SHOW COLUMNS from ".$this->db_slave->database.".".$this->table_slave);
$i = 0;
$col = "";
foreach ($this->db_slave->result as $row)
{
if ($row != "")
{
if ($i == 1) $col .= ",";
$col .= $row[0];
if ($i == 0) $i = 1;
}
}
return $col;
}
function slaveAllIndexes()
{
//return all index value
$this->db_slave->executeSQL("SELECT ".$this->idx_slave." from ".$this->db_slave->database.".".$this->table_slave);
}
function slaveSet($mplocation, $mpuser, $mppassword, $mpdb, $mptable, $mpidx)
//set slave database
{
$this->table_slave = $mptable;
$this->idx_slave = $mpidx;
$this->db_slave = new DB();
$this->db_slave->Open($mplocation,$mpuser,$mppassword,$mpdb);
$this->col_slave = $this->slaveColumns();
}
function slaveSyncronization()
{
$this->masterAllIndexes();
$masterid=array();
foreach ($this->db_master->result as $id)
{
$masterid[] = $id[0];
}
$this->slaveAllIndexes();
$slaveid=array();
foreach ($this->db_slave->result as $id)
{
$slaveid[] = $id[0];
}
$in = array_diff($masterid, $slaveid);
echo "La ligne contenant l' id suivant à été ajoutée: ";
$sin = implode(",", $in);
if ($sin == "")
{
echo "<b>aucune</b>";
echo ".<br />";
}
else
{
echo $sin;
echo ".<br />";
$this->masterDataRows($sin);
$sql = "INSERT INTO ".$this->db_slave->database.".".$this->table_slave." (".$this->col_slave.") values ";
$i = 0;
foreach ($this->db_master->result as $row)
{
if (count($row) > 1)
{
if ($i == 1) $sql .= ",";
$sql .= "(";
$j=0;
//print_r($row);
foreach ($row as $col)
{
if ($j == 1) $sql .= ",";
$col = $this->db_slave->cleanSQL($col);
$sql .= "'".$col."'";
if ($j == 0) $j = 1;
}
$sql .= ")";
if ($i == 0) $i = 1;
}
}
echo "Ajout de la commande SQL:<br />".$sql;
echo ".<br />";
$this->db_slave->executeSQL($sql);
}
$out = array_diff($slaveid, $masterid);
echo "La ligne de données contenant l'id suivant à été supprimée: ";
$sout = implode(",", $out);
if ($sout == "")
{
echo "<b>aucune</b>";
echo ".<br />";
}
else
{
echo $sout;
echo ".<br />";
$sql = "DELETE FROM ".$this->db_slave->database.".".$this->table_slave." where ".$this->idx_slave." in (".$sout.") ";
echo "Commande SQL:<br />".$sql;
echo ".<br />";
$this->db_slave->executeSQL($sql);
}
}
}
?> |
