<?php
//------------------------------------------------------------------------------
//  Licensed Materials - Property of IBM
//  (c) Copyright IBM Corporation 2001,2002 All Rights Reserved.
//  US Government Users Restricted Rights - Use, duplication or disclosure 
//  restricted by GSA ADP Schedule Contract with IBM Corp.
//------------------------------------------------------------------------------ 
//  Logical Libraries
//  
//  Filename:  download_library_stats.htm
//
//  Downloads library_stats.csv
//
//  Input:  
//
//  Ouput:  
//
//      
//  Change History:
//      
//  Date        Defect  Changed By  Description of Change
//  ----        ------  ----------  ---------------------
//  10/03/2012          dagalleg    Download TSR logging file.
//  05/21/13    1935    dagalleg    Download file even if no contents. 
//
//------------------------------------------------------------------------------  

	//include('main_inc.htm');
	//include('user_inc.htm');
	
	// Get file size of header
	$temp_file    = "/tmp/size_lib_stats.txt";
    $sRet = system("chmod 666 ".$temp_file, $iRet);
    $handle = fopen($temp_file, "w");
	fwrite($handle, "Library Statistics,,,,,,,,,,\n");
	fwrite($handle, ",,,,,,,,,,\n");
	fwrite($handle, ",,,,,,,,,,\n");
	fwrite($handle, "Hourly Summary,,Residency,>>>,Mounts,>>>,>>>,Ejects,>>>,>>>,Inserts\n");
	fwrite($handle, ",,Max,Avg,Total,Max,Avg,Total,Max,Avg,Total\n");
	fwrite($handle, "Date and Time,Log Lib,Sec,Sec,Count,Sec,Sec,Count,Sec,Sec,Count\n");
	fclose($handle);
	$size = filesize($temp_file);
	unlink($temp_file);
    
    //file name
    $fileName='/home/embedded/library/CoreService/dat/library_stats.csv';
	if (file_exists($fileName))
	{
		$size = $size + filesize($fileName);
        header("Pragma: ");
        header("Cache-Control: ");
        header("Content-Type: csv/plain");
        header("Content-Length: $size");
        header('Content-Disposition: attachment; filename="' . basename($fileName) . '"');
        header("Content-Location: $fileName");
        header("Cache-Control: private");
        $handle = fopen($fileName, "r");
        
        if ($handle = fopen($fileName, 'rb'))
        {
			$i=0;
            while(!feof($handle) and (connection_status()==0))
            {
            	
            	if($i==0)
            	{
            		error_log("Add headers to library_stats.csv");
            		print("Library Statistics,,,,,,,,,,\n");
            		print(",,,,,,,,,,\n");
            		print(",,,,,,,,,,\n");
            		print("Hourly Summary,,Residency,>>>,Mounts,>>>,>>>,Ejects,>>>,>>>,Inserts\n");
            		print(",,Max,Avg,Total,Max,Avg,Total,Max,Avg,Total\n");
            		print("Date and Time,Log Lib,Sec,Sec,Count,Sec,Sec,Count,Sec,Sec,Count\n");
            	}
            	else
            	{
            		print(fread($handle, 1024*1));
            	}
                flush();
                $i++;
            }
        }
        error_log("Uploading library_stats.csv");
        fclose($handle);
        return;
     
  
   }
   else // file does not exist just download the headers
   {
        header("Pragma: ");
        header("Cache-Control: ");
        header("Content-Type: csv/plain");
        header("Content-Length: $size");
        header('Content-Disposition: attachment; filename="' . basename($fileName) . '"');
        header("Content-Location: $fileName");
        header("Cache-Control: private");

        if(connection_status()==0)
        {
			error_log("Add headers to blank library_stats.csv");
           	print("Library Statistics,,,,,,,,,,\n");
           	print(",,,,,,,,,,\n");
           	print(",,,,,,,,,,\n");
           	print("Hourly Summary,,Residency,>>>,Mounts,>>>,>>>,Ejects,>>>,>>>,Inserts\n");
           	print(",,Max,Avg,Total,Max,Avg,Total,Max,Avg,Total\n");
           	print("Date and Time,Log Lib,Sec,Sec,Count,Sec,Sec,Count,Sec,Sec,Count\n");
            flush();   
        }
        
        error_log("Uploading blank library_stats.csv");
        fclose($handle);
        return;
   	
   }
  
  
?>