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NTP Protocol handling class

__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 |

_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 |