voltage/voltage.php at master · nizart91/voltage · GitHub

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<?php

require_once __DIR__.'/classes/Util.php';
require_once __DIR__.'/classes/Torrent.php';
require_once __DIR__.'/classes/Download.php';

if (count($argv) < 3) {
  die("USAGE: voltage <dir> <torrent>\n");
}

$dir = $argv[1];
$torrentFile = $argv[2];

if (preg_match('#^[a-f0-9]{40}$#i', $torrentFile)) {
  $hash = strtoupper($torrentFile);
  $torrentData = file_get_contents("http://itorrents.org/torrent/$hash.torrent");

  if (strlen($torrentData) <= 0) {
    die("ERROR: Failed to download torrent from itorrents.org\n");
  }

  if ($torrentData[0] !== 'd') {
    $torrentData = gzdecode($torrentData);
  }
} else {
  if (!file_exists($torrentFile)) {
    die("ERROR: Unable to open torrent file '$torrentFile'\n");
  }

  $torrentData = file_get_contents($torrentFile);

  if (strlen($torrentData) <= 0) {
    die("ERROR: Failed to read torrent '$torrentFile'\n");
  }
}

try {
  $torrent = Torrent::read($torrentData);
} catch (Exception $e) {
  trigger_error($e);
  die("ERROR: Failed to parse torrent\n");
}

echo " Info Hash: {$torrent->getInfoHashHex()}\n";
echo " Piece Size: ".Util::formatSize($torrent->getPieceSize())."\n";
echo " Total Size: ".Util::formatSize($torrent->getTotalSize())."\n";

$download = new Download($torrent, $dir);

$download->on('allocate', function ($finished, $total) {
  $p = (int)($finished / $total * 100.0);
  echo "Allocating Files ... ($p%)         \r";
});

$download->on('check', function ($finished, $total) {
  $p = (int)($finished / $total * 100.0);
  echo "Checking Files ... ($p%)           \r";
});

$download->start();

echo "Starting download ...               \r";

$lastTotal = 0;
$lastTime = time();
$downloadSpeed = '0K/s';

while (!$download->isComplete()) {
  $download->tick();

  $p = $download->getProgress();
  $x = $download->getConnectedPeerCount();
  $y = $download->getPeerCount();

  $now = time();
  $span = $now - $lastTime;

  if ($span > 0) {
    $lastTime = $now;
    $total = $download->getDownloaded();
    $delta = $total - $lastTotal;
    $lastTotal = $total;

    $downloadSpeed = Util::formatSize($delta).'/s';
  }

  echo "Downloading ... ($p%) ($x/$y peers) ($downloadSpeed)           \r";

  //sleep(1);
}

$download->finish();