1 files changed, 101 insertions, 0 deletions
diff --git a/codebase/Dhtmlx/Connector/Tools/LogMaster.php b/codebase/Dhtmlx/Connector/Tools/LogMaster.php
new file mode 100755
index 0000000..657516d
--- /dev/null
+++ b/codebase/Dhtmlx/Connector/Tools/LogMaster.php
@@ -0,0 +1,101 @@
+<?php
+
+namespace DHTMLX\Connector\Tools;
+/*! Controls error and debug logging.
+	Class designed to be used as static object.
+**/
+class LogMaster{
+    private static $_log=false;//!< logging mode flag
+    private static $_output=false;//!< output error infor to client flag
+    private static $session="";//!< all messages generated for current request
+
+    /*! convert array to string representation ( it is a bit more readable than var_dump )
+
+        @param data
+            data object
+        @param pref
+            prefix string, used for formating, optional
+        @return
+            string with array description
+    */
+    private static function log_details($data,$pref=""){
+        if (is_array($data)){
+            $str=array("");
+            foreach($data as $k=>$v)
+                array_push($str,$pref.$k." => ".LogMaster::log_details($v,$pref."\t"));
+            return implode("\n",$str);
+        }
+        return $data;
+    }
+    /*! put record in log
+
+        @param str
+            string with log info, optional
+        @param data
+            data object, which will be added to log, optional
+    */
+    public static function log($str="",$data=""){
+        if (LogMaster::$_log){
+            $message = $str.LogMaster::log_details($data)."\n\n";
+            LogMaster::$session.=$message;
+            error_log($message,3,LogMaster::$_log);
+        }
+    }
+
+    /*! get logs for current request
+        @return
+            string, which contains all log messages generated for current request
+    */
+    public static function get_session_log(){
+        return LogMaster::$session;
+    }
+
+    /*! error handler, put normal php errors in log file
+
+        @param errn
+            error number
+        @param errstr
+            error description
+        @param file
+            error file
+        @param line
+            error line
+        @param context
+            error cntext
+    */
+    public static function error_log($errn,$errstr,$file,$line,$context){
+        LogMaster::log($errstr." at ".$file." line ".$line);
+    }
+
+    /*! exception handler, used as default reaction on any error - show execution log and stop processing
+
+        @param exception
+            instance of Exception
+    */
+    public static function exception_log($exception){
+        LogMaster::log("!!!Uncaught Exception\nCode: " . $exception->getCode() . "\nMessage: " . $exception->getMessage());
+        if (LogMaster::$_output){
+            echo "<pre><xmp>\n";
+            echo LogMaster::get_session_log();
+            echo "\n</xmp></pre>";
+        }
+        die();
+    }
+
+    /*! enable logging
+
+        @param name
+            path to the log file, if boolean false provided as value - logging will be disabled
+        @param output
+            flag of client side output, if enabled - session log will be sent to client side in case of an error.
+    */
+    public static function enable_log($name,$output=false){
+        LogMaster::$_log=$name;
+        LogMaster::$_output=$output;
+        if ($name){
+            set_error_handler(array("DHTMLX\\Connector\\Tools\\LogMaster","error_log"),E_ALL);
+            set_exception_handler(array("DHTMLX\\Connector\\Tools\\LogMaster","exception_log"));
+            LogMaster::log("\n\n====================================\nLog started, ".date("d/m/Y h:i:s")."\n====================================");
+        }
+    }
+}
+\ No newline at end of file