TimeSync/Ntp.php
LICENSE
This source file is subject to the new BSD license that is bundled with this package in the file LICENSE.txt. It is also available through the world-wide-web at this URL: http://framework.zend.com/license/new-bsd If you did not receive a copy of the license and are unable to obtain it through the world-wide-web, please send an email to license@zend.com so we can send you a copy immediately.
- Category
- Zend
- Copyright
- Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
- License
- New BSD License
- Package
- Zend_TimeSync
- Version
- $Id: Ntp.php 24593 2012-01-05 20:35:02Z matthew $
\Zend_TimeSync_Ntp
- Parent(s)
- \Zend_TimeSync_Protocol
- Category
- Zend
- Copyright
- Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
- License
- New BSD License
Properties


array $_info = array()
array()
Details- Type
- array
- Inherited_from
- \Zend_TimeSync_Protocol::$$_info


integer $_port = 123
123
Details- Type
- integer
Methods


__construct(string $timeserver, integer $port = 123) : void
NTP class constructor, sets the timeserver and port number
Name | Type | Description |
---|---|---|
$timeserver | string | Adress of the timeserver to connect to |
$port | integer | (Optional) Port for this timeserver |


_disconnect() : void
Disconnects from the peer, closes the socket.
Inherited from: \Zend_TimeSync_Protocol::_disconnect()

_extract(string | array $binary) : integer
Extracts the binary data returned from the timeserver
Name | Type | Description |
---|---|---|
$binary | string | array | Data returned from the timeserver |
Type | Description |
---|---|
integer | Difference in seconds |


_getFloat(string $input) : float
Calculates a 32bit signed fixed point number
Name | Type | Description |
---|---|---|
$input | string |
Type | Description |
---|---|
float |


_getInteger(string $input) : integer
Calculates a 32bit integer
Name | Type | Description |
---|---|---|
$input | string |
Type | Description |
---|---|
integer |


_getTimestamp(string $input) : float
Calculates a 64bit timestamp
Name | Type | Description |
---|---|---|
$input | string |
Type | Description |
---|---|
float |


_prepare() : string
Prepare local timestamp for transmission in our request packet
NTP timestamps are represented as a 64-bit fixed-point number, in seconds relative to 0000 UT on 1 January 1900. The integer part is in the first 32 bits and the fraction part in the last 32 bits
Type | Description |
---|---|
string |


_read() : array
Reads the data returned from the timeserver
This will return an array with binary data listing:
Type | Description |
---|---|
array |
Exception | Description |
---|---|
\Zend_TimeSync_Exception | When timeserver can not be connected |


_write(string $data) : void
Sends the NTP packet to the server
Name | Type | Description |
---|---|---|
$data | string | Data to send to the timeserver |


getDate(string | \Zend_Locale $locale = null) : \Zend_Date
Query this timeserver without using the fallback mechanism
Inherited from: \Zend_TimeSync_Protocol::getDate()Name | Type | Description |
---|---|---|
$locale | string | \Zend_Locale | (Optional) Locale |
Type | Description |
---|---|
\Zend_Date |


getInfo() : array
Return information sent/returned from the timeserver
Inherited from: \Zend_TimeSync_Protocol::getInfo()Type | Description |
---|---|
array |