From d253013b270a420941432fa22bbea04cfa9e30b6 Mon Sep 17 00:00:00 2001
From: xue <>
Date: Mon, 1 Oct 2007 14:11:00 +0000
Subject: added TDbLogRoute
---
framework/Util/TLogRouter.php | 217 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 217 insertions(+)
(limited to 'framework/Util/TLogRouter.php')
diff --git a/framework/Util/TLogRouter.php b/framework/Util/TLogRouter.php
index ffbeb175..9229001c 100644
--- a/framework/Util/TLogRouter.php
+++ b/framework/Util/TLogRouter.php
@@ -10,6 +10,8 @@
* @package System.Util
*/
+Prado::using('System.Data.TDbConnection');
+
/**
* TLogRouter class.
*
@@ -675,4 +677,219 @@ EOD;
return $string;
}
}
+
+
+/**
+ * TDbLogRoute class
+ *
+ * TDbLogRoute stores log messages in a database table.
+ * To specify the database table, set {@link setConnectionID ConnectionID} to be
+ * the ID of a {@link TDataSourceConfig} module and {@link setLogTableName LogTableName}.
+ * If they are not setting, an SQLite3 database named 'sqlite3.log' will be created and used
+ * under the runtime directory.
+ *
+ * By default, the database table name is 'pradolog'. It has the following structure:
+ *
+ * CREATE TABLE pradolog
+ * (
+ * log_id INTEGER NOT NULL PRIMARY KEY,
+ * level INTEGER,
+ * category VARCHAR(128),
+ * logtime VARCHAR(20),
+ * message VARCHAR(255)
+ * );
+ *
+ *
+ * @author Qiang Xue
+ * @version $Id$
+ * @package System.Util
+ * @since 3.1.2
+ */
+class TDbLogRoute extends TLogRoute
+{
+ /**
+ * @var string the ID of TDataSourceConfig module
+ */
+ private $_connID='';
+ /**
+ * @var TDbConnection the DB connection instance
+ */
+ private $_db;
+ /**
+ * @var string name of the DB log table
+ */
+ private $_logTable='pradolog';
+ /**
+ * @var boolean whether the log DB table should be created automatically
+ */
+ private $_autoCreate=true;
+
+ /**
+ * Destructor.
+ * Disconnect the db connection.
+ */
+ public function __destruct()
+ {
+ if($this->_db!==null)
+ $this->_db->setActive(false);
+ }
+
+ /**
+ * Initializes this module.
+ * This method is required by the IModule interface.
+ * It initializes the database for logging purpose.
+ * @param TXmlElement configuration for this module, can be null
+ * @throws TConfigurationException if the DB table does not exist.
+ */
+ public function init($config)
+ {
+ $db=$this->getDbConnection();
+ $db->setActive(true);
+
+ $sql='SELECT * FROM '.$this->_logTable.' WHERE 0';
+ try
+ {
+ $db->createCommand($sql)->execute();
+ }
+ catch(Exception $e)
+ {
+ // DB table not exists
+ if($this->_autoCreate)
+ $this->createDbTable();
+ else
+ throw TConfigurationException('db_logtable_inexistent',$this->_logTable);
+ }
+
+ parent::init($config);
+ }
+
+ /**
+ * Stores log messages into database.
+ * @param array list of log messages
+ */
+ protected function processLogs($logs)
+ {
+ $sql='INSERT INTO '.$this->_logTable.'(level, category, logtime, message) VALUES (:level, :category, :logtime, :message)';
+ $command=$this->getDbConnection()->createCommand($sql);
+ foreach($logs as $log)
+ {
+ $command->bindValue(':level',$log[0]);
+ $command->bindValue(':category',$log[1]);
+ $command->bindValue(':logtime',$log[2]);
+ $command->bindValue(':message',$log[3]);
+ $command->execute();
+ }
+ }
+
+ /**
+ * Creates the DB table for storing log messages.
+ */
+ protected function createDbTable()
+ {
+ $sql='CREATE TABLE '.$this->_logTable.' (
+ log_id INTEGER NOT NULL PRIMARY KEY,
+ level INTEGER,
+ category VARCHAR(128),
+ logtime VARCHAR(20),
+ message VARCHAR(255))';
+ $this->getDbConnection()->createCommand($sql)->execute();
+ }
+
+ /**
+ * Creates the DB connection.
+ * @param string the module ID for TDataSourceConfig
+ * @return TDbConnection the created DB connection
+ * @throws TConfigurationException if module ID is invalid or empty
+ */
+ protected function createDbConnection()
+ {
+ if($this->_connID!=='')
+ {
+ $config=$this->getApplication()->getModule($this->_connID);
+ if($config instanceof TDataSourceConfig)
+ return $config->getDbConnection();
+ else
+ throw new TConfigurationException('dblogroute_connectionid_invalid',$this->_connID);
+ }
+ else
+ {
+ $db=new TDbConnection;
+ // default to SQLite3 database
+ $dbFile=$this->getApplication()->getRuntimePath().'/sqlite3.log';
+ $db->setConnectionString('sqlite:'.$dbFile);
+ return $db;
+ }
+ }
+
+ /**
+ * @return TDbConnection the DB connection instance
+ */
+ public function getDbConnection()
+ {
+ if($this->_db===null)
+ $this->_db=$this->createDbConnection();
+ return $this->_db;
+ }
+
+ /**
+ * @return string the ID of a {@link TDataSourceConfig} module. Defaults to empty string, meaning not set.
+ */
+ public function getConnectionID()
+ {
+ return $this->_connID;
+ }
+
+ /**
+ * Sets the ID of a TDataSourceConfig module.
+ * The datasource module will be used to establish the DB connection for this log route.
+ * @param string ID of the {@link TDataSourceConfig} module
+ */
+ public function setConnectionID($value)
+ {
+ $this->_connID=$value;
+ }
+
+ /**
+ * @return string the name of the DB table to store log content. Defaults to 'pradolog'.
+ * @see setAutoCreateLogTable
+ */
+ public function getLogTableName()
+ {
+ return $this->_logTable;
+ }
+
+ /**
+ * Sets the name of the DB table to store log content.
+ * Note, if {@link setAutoCreateLogTable AutoCreateLogTable} is false
+ * and you want to create the DB table manually by yourself,
+ * you need to make sure the DB table is of the following structure:
+ * (key CHAR(128) PRIMARY KEY, value BLOB, expire INT)
+ * @param string the name of the DB table to store log content
+ * @see setAutoCreateLogTable
+ */
+ public function setLogTableName($value)
+ {
+ $this->_logTable=$value;
+ }
+
+ /**
+ * @return boolean whether the log DB table should be automatically created if not exists. Defaults to true.
+ * @see setAutoCreateLogTable
+ */
+ public function getAutoCreateLogTable()
+ {
+ return $this->_autoCreate;
+ }
+
+ /**
+ * @param boolean whether the log DB table should be automatically created if not exists.
+ * @see setLogTableName
+ */
+ public function setAutoCreateLogTable($value)
+ {
+ $this->_autoCreate=TPropertyValue::ensureBoolean($value);
+ }
+
+}
+
?>
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