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path: root/bin/session.php
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<?php

function sessioncreate($type, $url, $mode)
{
	global $httppath, $ffmpegpath, $segmenterpath, $quality;

	// Get a free session
	$i=0;
	for ($i=0; $i<1000; $i++)
	{
		$session = "session" .$i;
		if (!file_exists('../ram/' .$session))
			break;
	}

	// Default
	$qparams = $quality[0];

	// Get parameters
	foreach ($quality as $qn => $qp)
	{
		if ($qn == $mode)
		{
			$qparams = $qp;
			break;
		}
	}

	// Create session
	exec('mkdir ../ram/' .$session);
	$url = str_replace("\\'", "'", $url);
	switch ($type)
	{
		case 'tv':
			$cmd = "export SHELL=\"/bin/sh\";printf \"./istream.sh \\\"" .$url ."\\\" " .$qparams ." " .$httppath ." 2 " .$ffmpegpath ." " .$segmenterpath ." " .$session ." \" | at now";
			break;
		case 'rec':
			$cmd = "export SHELL=\"/bin/sh\";printf \"cat \\\"" .$url ."\\\"/0* | ./istream.sh - " .$qparams ." " .$httppath ." 1260 " .$ffmpegpath ." " .$segmenterpath ." " .$session ." \" | at now";
			break;
		case 'vid':
			$cmd = "export SHELL=\"/bin/sh\";printf \"./istream.sh \\\"" .$url ."\\\" " .$qparams ." " .$httppath ." 1260 " .$ffmpegpath ." " .$segmenterpath ." " .$session ." \" | at now";
                        break;
		default:
			$cmd = "";
	}
	
	$cmd = str_replace('%', '%%', $cmd);
	exec ('echo "' .$cmd .'" > /tmp/a');
	exec ($cmd);
	
	// Extract $channame if needed
	switch ($type)
	{
		case 'tv':
			$urlarray = explode("/", $url);
			$channum = $urlarray[count($urlarray)-1];
			$channame = vdrgetchanname($channum);
			break;
		case 'rec':
			list($channame, $title, $desc) = vdrgetrecinfo($url);
			break;
		default:
			$channame = "";
			break;
	}

	// Write streaminfo
	writeinfostream($session, $type, $mode, $url, $channame);

	// Create logo
	if ($type == 'vid')
		generatelogo($type, $url, '../ram/' .$session .'/logo.png');
	else
		generatelogo($type, $channame, '../ram/' .$session .'/logo.png');

	return $session;
}

function sessiondelete($session)
{
	if ($session == 'all')
	{
		$dir_handle = @opendir('../ram/');
		if ($dir_handle)
		{
			while ($session = readdir($dir_handle))
			{
				if($session == "." || $session == ".." || $session == 'lost+found')
					continue;

				if (!is_dir('../ram/' .$session))
					continue;

				// Get info
				list($type, $mode, $url, $channame) = readinfostream($session);

				if ($type)
					sessiondeletesingle($session);
			}
		}
	}
	else
		return sessiondeletesingle($session);
}

function sessiondeletesingle($session)
{
	$ram = "../ram/" .$session ."/";

	// Get segmenter PID if any
	if (file_exists($ram ."segmenter.pid"))
		$cmd = "/usr/local/bin/fw;kill `cat " .$ram ."segmenter.pid`; rm " .$ram ."segmenter.pid; ";

	$cmd .= "rm -rf " .$ram;
	exec ($cmd);
}

?>