91 lines
2.5 KiB
PHP
91 lines
2.5 KiB
PHP
|
<?php
|
||
|
|
|
||
|
|
namespace App\Classes\FTN\Packet;
|
||
|
|
|
||
|
|
use Illuminate\Support\Arr;
|
||
|
|
|
||
|
|
use App\Classes\FTN\Packet;
|
||
|
|
use App\Models\Setup;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* FSC-0045 http://ftsc.org/docs/fsc-0045.001
|
||
|
|
*
|
||
|
|
* Commonly known as Type 2.2 packets
|
||
|
|
* Supports 5D addressing
|
||
|
|
*/
|
||
|
|
final class FSC45 extends Packet
|
||
|
|
{
|
||
|
|
protected const HEADER = [
|
||
|
|
'onode' => [0x00,'v',2], // Orig Node
|
||
|
|
'dnode' => [0x02,'v',2], // Dest Node
|
||
|
|
'opoint' => [0x04,'v',2], // Orig Point
|
||
|
|
'dpoint' => [0x06,'v',2], // Dest Point
|
||
|
|
'reserved' => [0x08,'a8',8], // Reserved
|
||
|
|
'subver' => [0x10,'v',2], // Sub Version (should be 2)
|
||
|
|
'type' => [0x12,'v',2], // Packet Version (should be 2)
|
||
|
|
'onet' => [0x14,'v',2], // Orig Net
|
||
|
|
'dnet' => [0x16,'v',2], // Dest Net
|
||
|
|
'prodcode' => [0x18,'C',1], // Product Code
|
||
|
|
'prodrev-maj' => [0x19,'C',1], // Product Version
|
||
|
|
'password' => [0x1a,'a8',8], // Packet Password
|
||
|
|
'ozone' => [0x22,'v',2], // Orig Zone
|
||
|
|
'dzone' => [0x24,'v',2], // Dest Zone
|
||
|
|
'odomain' => [0x26,'a8',8], // Orig Domain
|
||
|
|
'ddomain' => [0x2e,'a8',8], // Dest Domain
|
||
|
|
'proddata' => [0x36,'a4',4], // ProdData
|
||
|
|
];
|
||
|
|
|
||
|
|
public const TYPE = '2.2';
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Create our message packet header
|
||
|
|
*/
|
||
|
|
protected function header(): string
|
||
|
|
{
|
||
|
|
try {
|
||
|
|
return pack(collect(self::HEADER)->pluck(1)->join(''),
|
||
|
|
$this->ff, // Orig Node
|
||
|
|
$this->tf, // Dest Node
|
||
|
|
$this->fp, // Orig Point
|
||
|
|
$this->tp, // Dest Point
|
||
|
|
'', // Reserved
|
||
|
|
2, // Sub Version (should be 2)
|
||
|
|
2, // Packet Version (should be 2)
|
||
|
|
$this->fn, // Orig Net
|
||
|
|
$this->tn, // Dest Net
|
||
|
|
(Setup::PRODUCT_ID & 0xff), // Product Code
|
||
|
|
Setup::PRODUCT_VERSION_MAJ, // Product Version
|
||
|
|
$this->password, // Packet Password
|
||
|
|
$this->fz, // Orig Zone
|
||
|
|
$this->tz, // Dest Zone
|
||
|
|
$this->fd, // Orig Domain
|
||
|
|
$this->td, // Dest Domain
|
||
|
|
strtoupper(hexstr(Setup::PRODUCT_ID)), // ProdData
|
||
|
|
);
|
||
|
|
|
||
|
|
} catch (\Exception $e) {
|
||
|
|
return $e->getMessage();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Determine if this is a fsc-0045 packet
|
||
|
|
*
|
||
|
|
* @param string $header
|
||
|
|
* @return bool
|
||
|
|
* @throws \Exception
|
||
|
|
*/
|
||
|
|
public static function is_type(string $header): bool
|
||
|
|
{
|
||
|
|
$head = unpack(self::unpackheader(self::HEADER),$header);
|
||
|
|
|
||
|
|
return (
|
||
|
|
(Arr::get($head,'type') === 2)
|
||
|
|
&& ((Arr::get($head,'opoint') === 0) || (Arr::get($head,'onet') !== 0xffff))
|
||
|
|
&& (strlen(rtrim(Arr::get($head,'reserved'),"\x00")) === 0)
|
||
|
|
&& (Arr::get($head,'subver') === 2)
|
||
|
|
&& (Arr::get($head,'odomain'))
|
||
|
|
&& (Arr::get($head,'ddomain'))
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|