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<?php
IncludeModuleLangFile(__FILE__);
class CAllClusterDBNode
{
public static function GetByID($node_id, $arVirtNode=false)
{
global $DB, $CACHE_MANAGER;
static $arNodes = false;
static $arVirtNodes = array();
//This code sets and gets virtual nodes
//needed to test connection just before
//save node credentials into db
if(preg_match('/^v(\d+)$/', $node_id))
{
if(is_array($arVirtNode))
{
$arVirtNodes[$node_id] = $arVirtNode;
return true;
}
else
{
return $arVirtNodes[$node_id];
}
}
//Normal method continues here
$node_id = intval($node_id);
if($arNodes === false)
{
$cache_id = "db_nodes";
if(
CACHED_b_cluster_dbnode !== false
&& $CACHE_MANAGER->Read(CACHED_b_cluster_dbnode, $cache_id, "b_cluster_dbnode")
)
{
$arNodes = $CACHE_MANAGER->Get($cache_id);
}
else
{
$arNodes = array();
$rs = $DB->Query("SELECT * FROM b_cluster_dbnode ORDER BY ID", false, '', array('fixed_connection'=>true));
while($ar = $rs->Fetch())
$arNodes[intval($ar['ID'])] = $ar;
if(CACHED_b_cluster_dbnode !== false)
$CACHE_MANAGER->Set($cache_id, $arNodes);
}
}
return $arNodes[$node_id];
}
function Add($arFields)
{
global $DB, $CACHE_MANAGER;
if(!$this->CheckFields($arFields, 0))
return false;
if(!array_key_exists("ACTIVE", $arFields))
$arFields["ACTIVE"] = "Y";
$ID = $DB->Add("b_cluster_dbnode", $arFields);
if(CACHED_b_cluster_dbnode !== false)
$CACHE_MANAGER->CleanDir("b_cluster_dbnode");
return $ID;
}
public static function Delete($ID, $bStopSlave = true)
{
global $DB, $CACHE_MANAGER;
$ID = intval($ID);
$res = $DB->Query("select ID from b_cluster_dbnode WHERE ID=1 OR MASTER_ID = ".$ID, false, '', array('fixed_connection'=>true));
if ($bStopSlave)
{
while($ar = $res->Fetch())
{
if(!CClusterSlave::Stop($ar["ID"]))
return false;
}
}
if($res)
$res = $DB->Query("DELETE FROM b_cluster_dbnode WHERE ID = ".$ID, false, '', array('fixed_connection'=>true));
if(CACHED_b_cluster_dbnode !== false)
$CACHE_MANAGER->CleanDir("b_cluster_dbnode");
return $res;
}
function Update($ID, $arFields)
{
global $DB, $CACHE_MANAGER;
$ID = intval($ID);
if($ID <= 0)
return false;
if(!$this->CheckFields($arFields, $ID))
return false;
unset($arFields["GROUP_ID"]);
$strUpdate = $DB->PrepareUpdate("b_cluster_dbnode", $arFields);
if(strlen($strUpdate) > 0)
{
$strSql = "
UPDATE b_cluster_dbnode SET
".$strUpdate."
WHERE ID = ".$ID."
";
if(!$DB->Query($strSql, false, '', array('fixed_connection'=>true)))
return false;
}
if(CACHED_b_cluster_dbnode !== false)
$CACHE_MANAGER->CleanDir("b_cluster_dbnode");
return true;
}
public static function SetOffline($node_id)
{
global $DB, $CACHE_MANAGER, $APPLICATION;
$rs = $DB->Query("
UPDATE b_cluster_dbnode SET
STATUS = 'OFFLINE'
WHERE ID = ".intval($node_id)."
AND STATUS <> 'OFFLINE'
", false, '', array('fixed_connection'=>true));
if($rs->AffectedRowsCount() > 0)
{
if(CACHED_b_cluster_dbnode !== false)
$CACHE_MANAGER->CleanDir("b_cluster_dbnode");
if(!CAgent::AddAgent("CClusterDBNode::BringOnline();", "cluster", "N", 10))
$APPLICATION->ResetException();
}
}
public static function SetOnline($node_id)
{
global $DB, $CACHE_MANAGER;
$DB->Query("
UPDATE b_cluster_dbnode SET
STATUS = 'ONLINE'
WHERE ID = ".intval($node_id)."
", false, '', array('fixed_connection'=>true));
if(CACHED_b_cluster_dbnode !== false)
$CACHE_MANAGER->CleanDir("b_cluster_dbnode");
}
public static function BringOnline()
{
$rsOfflineNodes = CClusterDBNode::GetList(array(), array("=STATUS" => "OFFLINE"), array("ID"));
if($arNode = $rsOfflineNodes->Fetch())
{
ob_start();
$nodeDB = CDatabase::GetDBNodeConnection($arNode["ID"], true, false);
ob_end_clean();
if(is_object($nodeDB))
CClusterDBNode::SetOnline($arNode["ID"]);
return "CClusterDBNode::BringOnline();";
}
return "";
}
public static function GetList($arOrder=false, $arFilter=false, $arSelect=false)
{
global $DB;
if(!is_array($arSelect))
$arSelect = array();
if(count($arSelect) < 1)
$arSelect = array(
"ID",
"ACTIVE",
"ROLE_ID",
"NAME",
"DESCRIPTION",
"DB_HOST",
"DB_NAME",
"DB_LOGIN",
"DB_PASSWORD",
"MASTER_ID",
"SERVER_ID",
"STATUS",
"WEIGHT",
"SELECTABLE",
"GROUP_ID"
);
if(!is_array($arOrder))
$arOrder = array();
$arQueryOrder = array();
foreach($arOrder as $strColumn => $strDirection)
{
$strColumn = strtoupper($strColumn);
$strDirection = strtoupper($strDirection)=="ASC"? "ASC": "DESC";
switch($strColumn)
{
case "ID":
case "NAME":
$arSelect[] = $strColumn;
$arQueryOrder[$strColumn] = $strColumn." ".$strDirection;
break;
}
}
$arQuerySelect = array();
foreach($arSelect as $strColumn)
{
$strColumn = strtoupper($strColumn);
switch($strColumn)
{
case "ID":
case "ACTIVE":
case "ROLE_ID":
case "NAME":
case "DESCRIPTION":
case "DB_HOST":
case "DB_NAME":
case "DB_LOGIN":
case "DB_PASSWORD":
case "MASTER_ID":
case "SERVER_ID":
case "STATUS":
case "WEIGHT":
case "SELECTABLE":
case "GROUP_ID":
$arQuerySelect[$strColumn] = "n.".$strColumn;
break;
}
}
if(count($arQuerySelect) < 1)
$arQuerySelect = array("ID"=>"n.ID");
$obQueryWhere = new CSQLWhere;
$arFields = array(
"ID" => array(
"TABLE_ALIAS" => "n",
"FIELD_NAME" => "n.ID",
"FIELD_TYPE" => "int",
"JOIN" => false,
),
"GROUP_ID" => array(
"TABLE_ALIAS" => "n",
"FIELD_NAME" => "n.GROUP_ID",
"FIELD_TYPE" => "string",
"JOIN" => false,
),
"ROLE_ID" => array(
"TABLE_ALIAS" => "n",
"FIELD_NAME" => "n.ROLE_ID",
"FIELD_TYPE" => "string",
"JOIN" => false,
),
"ACTIVE" => array(
"TABLE_ALIAS" => "n",
"FIELD_NAME" => "n.ACTIVE",
"FIELD_TYPE" => "string",
"JOIN" => false,
),
"SERVER_ID" => array(
"TABLE_ALIAS" => "n",
"FIELD_NAME" => "n.SERVER_ID",
"FIELD_TYPE" => "int",
"JOIN" => false,
),
"MASTER_ID" => array(
"TABLE_ALIAS" => "n",
"FIELD_NAME" => "n.MASTER_ID",
"FIELD_TYPE" => "int",
"JOIN" => false,
),
"STATUS" => array(
"TABLE_ALIAS" => "n",
"FIELD_NAME" => "n.STATUS",
"FIELD_TYPE" => "string",
"JOIN" => false,
),
"NAME" => array(
"TABLE_ALIAS" => "n",
"FIELD_NAME" => "n.NAME",
"FIELD_TYPE" => "string",
"JOIN" => false,
),
);
$obQueryWhere->SetFields($arFields);
if(!is_array($arFilter))
$arFilter = array();
$strQueryWhere = $obQueryWhere->GetQuery($arFilter);
$bDistinct = $obQueryWhere->bDistinctReqired;
$strSql = "
SELECT ".($bDistinct? "DISTINCT": "")."
".implode(", ", $arQuerySelect)."
FROM
b_cluster_dbnode n
".$obQueryWhere->GetJoins()."
";
if($strQueryWhere)
{
$strSql .= "
WHERE
".$strQueryWhere."
";
}
if(count($arQueryOrder) > 0)
{
$strSql .= "
ORDER BY
".implode(", ", $arQueryOrder)."
";
}
return $DB->Query($strSql, false, '', array('fixed_connection'=>true));
}
public static function getServerList()
{
global $DB;
$result = array();
$rsData = $DB->Query("
SELECT ID, GROUP_ID, ROLE_ID, DB_HOST
FROM b_cluster_dbnode
ORDER BY GROUP_ID, ID
");
while ($arData = $rsData->Fetch())
{
if ($arData["ROLE_ID"] == "SLAVE" || $arData["ROLE_ID"] == "MASTER")
$edit_url = "/bitrix/admin/cluster_slave_edit.php?lang=".LANGUAGE_ID."&group_id=".$arData["GROUP_ID"]."&ID=".$arData["ID"];
elseif ($arData["ROLE_ID"] == "MODULE")
$edit_url = "/bitrix/admin/cluster_dbnode_edit.php?lang=".LANGUAGE_ID."&ID=".$arData["ID"];
else
$edit_url = "";
$host = "";
$match = array();
if (
preg_match("/\\(\\s*HOST\\s*=\\s*([^)]+)\\)/i", $arData["DB_HOST"], $match)
|| preg_match("/^([^:]+)(:|)/", $arData["DB_HOST"], $match)
)
{
if ($match[1] !== 'localhost' && $match[1] !== '127.0.0.1')
$host = $arData["DB_HOST"];
}
$result[] = array(
"ID" => $arData["ID"],
"GROUP_ID" => $arData["GROUP_ID"],
"SERVER_TYPE" => "database",
"ROLE_ID" => $arData["ROLE_ID"],
"HOST" => $arData["DB_HOST"],
"DEDICATED" => $host == ""? "N": "Y",
"EDIT_URL" => $edit_url,
);
}
return $result;
}
public static function GetModules($node_id)
{
global $DB;
static $arCache = false;
if($arCache === false)
{
$arCache = array();
$rs = $DB->Query("SELECT * from b_option WHERE NAME='dbnode_id'", false, '', array('fixed_connection'=>true));
while($ar = $rs->Fetch())
if(is_numeric($ar["VALUE"]))
$arCache[intval($ar["VALUE"])][$ar["MODULE_ID"]] = $ar["MODULE_ID"];
}
if(isset($arCache[$node_id]))
return $arCache[$node_id];
else
return array();
}
public static function GetListForModuleInstall()
{
return CClusterDBNode::GetList(
array("NAME"=>"ASC","ID"=>"ASC")
,array("=ACTIVE"=>"Y", "=ROLE_ID"=>"MODULE", "=STATUS"=>"READY")
,array("ID", "NAME")
);
}
}
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