/usr/share/php/Log/daemon.php is in php-log 1.12.9-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 | <?php
/**
* $Header$
*
* @version $Revision$
* @package Log
*/
/**
* The Log_daemon class is a concrete implementation of the Log::
* abstract class which sends messages to syslog daemon on UNIX-like machines.
* This class uses the syslog protocol: http://www.ietf.org/rfc/rfc3164.txt
*
* @author Bart van der Schans <schans@dds.nl>
* @version $Revision$
* @package Log
*/
class Log_daemon extends Log
{
/**
* Integer holding the log facility to use.
* @var string
*/
var $_name = LOG_DAEMON;
/**
* Var holding the resource pointer to the socket
* @var resource
*/
var $_socket;
/**
* The ip address or servername
* @see http://www.php.net/manual/en/transports.php
* @var string
*/
var $_ip = '127.0.0.1';
/**
* Protocol to use (tcp, udp, etc.)
* @see http://www.php.net/manual/en/transports.php
* @var string
*/
var $_proto = 'udp';
/**
* Port to connect to
* @var int
*/
var $_port = 514;
/**
* Maximum message length in bytes
* @var int
*/
var $_maxsize = 4096;
/**
* Socket timeout in seconds
* @var int
*/
var $_timeout = 1;
/**
* Constructs a new syslog object.
*
* @param string $name The syslog facility.
* @param string $ident The identity string.
* @param array $conf The configuration array.
* @param int $maxLevel Maximum level at which to log.
* @access public
*/
function Log_daemon($name, $ident = '', $conf = array(),
$level = PEAR_LOG_DEBUG)
{
/* Ensure we have a valid integer value for $name. */
if (empty($name) || !is_int($name)) {
$name = LOG_SYSLOG;
}
$this->_id = md5(microtime());
$this->_name = $name;
$this->_ident = $ident;
$this->_mask = Log::UPTO($level);
if (isset($conf['ip'])) {
$this->_ip = $conf['ip'];
}
if (isset($conf['proto'])) {
$this->_proto = $conf['proto'];
}
if (isset($conf['port'])) {
$this->_port = $conf['port'];
}
if (isset($conf['maxsize'])) {
$this->_maxsize = $conf['maxsize'];
}
if (isset($conf['timeout'])) {
$this->_timeout = $conf['timeout'];
}
$this->_proto = $this->_proto . '://';
register_shutdown_function(array(&$this, '_Log_daemon'));
}
/**
* Destructor.
*
* @access private
*/
function _Log_daemon()
{
$this->close();
}
/**
* Opens a connection to the system logger, if it has not already
* been opened. This is implicitly called by log(), if necessary.
* @access public
*/
function open()
{
if (!$this->_opened) {
$this->_opened = (bool)($this->_socket = @fsockopen(
$this->_proto . $this->_ip,
$this->_port,
$errno,
$errstr,
$this->_timeout));
}
return $this->_opened;
}
/**
* Closes the connection to the system logger, if it is open.
* @access public
*/
function close()
{
if ($this->_opened) {
$this->_opened = false;
return fclose($this->_socket);
}
return true;
}
/**
* Sends $message to the currently open syslog connection. Calls
* open() if necessary. Also passes the message along to any Log_observer
* instances that are observing this Log.
*
* @param string $message The textual message to be logged.
* @param int $priority (optional) The priority of the message. Valid
* values are: LOG_EMERG, LOG_ALERT, LOG_CRIT,
* LOG_ERR, LOG_WARNING, LOG_NOTICE, LOG_INFO,
* and LOG_DEBUG. The default is LOG_INFO.
* @access public
*/
function log($message, $priority = null)
{
/* If a priority hasn't been specified, use the default value. */
if ($priority === null) {
$priority = $this->_priority;
}
/* Abort early if the priority is above the maximum logging level. */
if (!$this->_isMasked($priority)) {
return false;
}
/* If the connection isn't open and can't be opened, return failure. */
if (!$this->_opened && !$this->open()) {
return false;
}
/* Extract the string representation of the message. */
$message = $this->_extractMessage($message);
/* Set the facility level. */
$facility_level = intval($this->_name) +
intval($this->_toSyslog($priority));
/* Prepend ident info. */
if (!empty($this->_ident)) {
$message = $this->_ident . ' ' . $message;
}
/* Check for message length. */
if (strlen($message) > $this->_maxsize) {
$message = substr($message, 0, ($this->_maxsize) - 10) . ' [...]';
}
/* Write to socket. */
fwrite($this->_socket, '<' . $facility_level . '>' . $message . "\n");
$this->_announce(array('priority' => $priority, 'message' => $message));
}
/**
* Converts a PEAR_LOG_* constant into a syslog LOG_* constant.
*
* This function exists because, under Windows, not all of the LOG_*
* constants have unique values. Instead, the PEAR_LOG_* were introduced
* for global use, with the conversion to the LOG_* constants kept local to
* to the syslog driver.
*
* @param int $priority PEAR_LOG_* value to convert to LOG_* value.
*
* @return The LOG_* representation of $priority.
*
* @access private
*/
function _toSyslog($priority)
{
static $priorities = array(
PEAR_LOG_EMERG => LOG_EMERG,
PEAR_LOG_ALERT => LOG_ALERT,
PEAR_LOG_CRIT => LOG_CRIT,
PEAR_LOG_ERR => LOG_ERR,
PEAR_LOG_WARNING => LOG_WARNING,
PEAR_LOG_NOTICE => LOG_NOTICE,
PEAR_LOG_INFO => LOG_INFO,
PEAR_LOG_DEBUG => LOG_DEBUG
);
/* If we're passed an unknown priority, default to LOG_INFO. */
if (!is_int($priority) || !in_array($priority, $priorities)) {
return LOG_INFO;
}
return $priorities[$priority];
}
}
|