Created
August 5, 2024 01:05
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WAS-110 Multicast Upgrader
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| <?php | |
| $source_ip = '192.168.1.2'; | |
| $source_port = 0; | |
| $dest_ip = '192.168.1.1'; | |
| $dest_port = 13456; | |
| $block_size = 1436; | |
| ############################################################################### | |
| function _err(string $message = '', int $code = 1): void { | |
| if (strlen($message)) | |
| fwrite(STDERR, "$message\n"); | |
| exit($code); | |
| } | |
| $opts = array( | |
| 'socket' => array( | |
| 'bindto' => "$source_ip:$source_port", | |
| ), | |
| ); | |
| $context = stream_context_create($opts); | |
| $stream = stream_socket_client("udp://{$dest_ip}:$dest_port", $errno, $errstr, 1.0, STREAM_CLIENT_CONNECT, $context); | |
| $file = 'multicast_upgrade.img'; | |
| if (!file_exists($file)) | |
| _err("File '$file' does not exist."); | |
| $size = filesize($file); | |
| if ($size < 1) | |
| _err("No data to send."); | |
| $upgrade = str_split(file_get_contents('multicast_upgrade.img'), $block_size); | |
| $packets = count($upgrade); | |
| var_dump($packets); | |
| if ($packets > 65536) | |
| _err("File too large."); | |
| while(true) { | |
| foreach ($upgrade as $packet => $data) { | |
| $header = pack("NNNN", ($packet + 1), $block_size, 1, $size); | |
| $header .= "bfw-HGW\0\0\0\0\0\0\0\0\0\0\0\0\0"; | |
| stream_socket_sendto($stream, $header.$data); | |
| usleep(100); | |
| // if ($packet > 10) | |
| // break 2; | |
| } | |
| } |
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