perf(Bencode): Remove Bencode Library sandfoxme/bencode

The issue #1 point of Memory exhausted problem, which is cause by
https://github.com/sandfoxme/bencode/blob/1.2.0/src/Engine/Decoder.php#L166
Use another Bencode library `OPSnet/bencode-torrent` as `Rid\Bencode\Bencode`,
and change it usage like the old one.

Closes #1

apps/config/httpd.php

@@ -67,15 +67,15 @@
  // 开启协程
  'enable_coroutine' => false,
  // 连接处理线程数
- 'reactor_num' => 8,
+ 'reactor_num' => 1,
  // 工作进程数
- 'worker_num' => 8,
+ 'worker_num' => 20,
  // PID 文件
  'pid_file' => '/var/run/rid-httpd.pid',
  // 日志文件路径
  'log_file' => '/tmp/rid-httpd.log',
  // 进程的最大任务数
- 'max_request' => 10000,
+ 'max_request' => 3000,
  // 退出等待时间
  'max_wait_time' => 60,
  // 异步安全重启

apps/controllers/TrackerController.php

@@ -9,7 +9,7 @@
 namespace apps\controllers;
 
 use Rid\Utils\IpUtils;
-use SandFoxMe\Bencode\Bencode;
+use Rid\Bencode\Bencode;
 
 use apps\models\User;
 use apps\exceptions\TrackerException;

apps/models/Torrent.php

@@ -8,8 +8,7 @@
 
 namespace apps\models;
 
-use SandFoxMe\Bencode\Bencode;
-
+use Rid\Bencode\Bencode;
 use Rid\Exceptions\NotFoundException;
 
 class Torrent

apps/models/form/TorrentUploadForm.php

@@ -11,9 +11,8 @@
 use apps\models\Torrent;
 
 use Rid\Validators\Validator;
-
-use SandFoxMe\Bencode\Bencode;
-use SandFoxMe\Bencode\Exceptions\ParseErrorException;
+use Rid\Bencode\Bencode;
+use Rid\Bencode\ParseErrorException;
 
 use Symfony\Component\Validator\Constraints as Assert;
 use Symfony\Component\Validator\Context\ExecutionContextInterface;

composer.json

@@ -29,7 +29,6 @@
  "ext-swoole": "*",
  "ext-mbstring": "*",
  "ext-simplexml": "*",
- "sandfoxme/bencode": "^1.2",
  "robthree/twofactorauth": "^1.6",
  "swiftmailer/swiftmailer": "^6.1",
  "twig/twig": "^2.0",

framework/Bencode/Bencode.php

@@ -0,0 +1,145 @@
+<?php
+/**
+ *
+ * Rewrite from : https://github.com/OPSnet/bencode-torrent/blob/master/src/Bencode.php
+ *
+ * Created by PhpStorm.
+ * User: Rhilip
+ * Date: 2019/2/2
+ * Time: 20:00
+ */
+
+namespace Rid\Bencode;
+
+
+class Bencode
+{
+ /**
+ * Decodes a BEncoded string to the following values:
+ * - Dictionary (starts with d, ends with e)
+ * - List (starts with l, ends with e
+ * - Integer (starts with i, ends with e
+ * - String (starts with number denoting number of characters followed by : and then the string)
+ *
+ * @see https://wiki.theory.org/index.php/BitTorrentSpecification
+ *
+ * @param string $data
+ * @param int $pos
+ * @return mixed
+ */
+ public static function decode(string $data, int &$pos = 0)
+ {
+ if ($data[$pos] === 'd') {
+ $pos++;
+ $return = [];
+ while ($data[$pos] !== 'e') {
+ $key = self::decode($data, $pos);
+ $value = self::decode($data, $pos);
+ if ($key === null || $value === null) {
+ break;
+ }
+ if (!is_string($key)) {
+ throw new ParseErrorException('Invalid key type, must be string: ' . gettype($key));
+ }
+ $return[$key] = $value;
+ }
+ ksort($return);
+ $pos++;
+ } elseif ($data[$pos] === 'l') {
+ $pos++;
+ $return = [];
+ while ($data[$pos] !== 'e') {
+ $value = self::decode($data, $pos);
+ $return[] = $value;
+ }
+ $pos++;
+ } elseif ($data[$pos] === 'i') {
+ $pos++;
+ $digits = strpos($data, 'e', $pos) - $pos;
+ $return = substr($data, $pos, $digits);
+ if ($return === '-0') {
+ throw new ParseErrorException('Cannot have integer value -0');
+ }
+ $multiplier = 1;
+ if ($return[0] === '-') {
+ $multiplier = -1;
+ $return = substr($return, 1);
+ }
+ if (!ctype_digit($return)) {
+ $msg = 'Cannot have non-digit values in integer number: ' . $return;
+ throw new ParseErrorException($msg);
+ }
+ $return = $multiplier * ((int)$return);
+ $pos += $digits + 1;
+ } else {
+ $digits = strpos($data, ':', $pos) - $pos;
+ $len = (int)substr($data, $pos, $digits);
+ $pos += ($digits + 1);
+ $return = substr($data, $pos, $len);
+ $pos += $len;
+ }
+
+ return $return;
+ }
+
+ /**
+ * @param mixed $data
+ * @return string
+ */
+ public static function encode($data): string
+ {
+ if (is_array($data)) {
+ $return = '';
+ $check = -1;
+ $list = true;
+ foreach ($data as $key => $value) {
+ if ($key !== ++$check) {
+ $list = false;
+ break;
+ }
+ }
+ if ($list) {
+ $return .= 'l';
+ foreach ($data as $value) {
+ $return .= self::encode($value);
+ }
+ } else {
+ $return .= 'd';
+ foreach ($data as $key => $value) {
+ $return .= self::encode(strval($key));
+ $return .= self::encode($value);
+ }
+ }
+ $return .= 'e';
+ } elseif (is_integer($data)) {
+ $return = 'i' . $data . 'e';
+ } else {
+ $return = strlen($data) . ':' . $data;
+ }
+ return $return;
+ }
+
+ /**
+ * Given a path to a file, decode the contents of it
+ *
+ * @param string $path
+ * @return mixed
+ * @throws ParseErrorException
+ */
+ public static function load(string $path)
+ {
+ return self::decode(file_get_contents($path, FILE_BINARY));
+ }
+
+ /**
+ * Given a path for a file, encode the contents of it
+ *
+ * @param string $path
+ * @param $data
+ * @return mixed
+ */
+ public static function dump(string $path, $data)
+ {
+ return file_put_contents($path, self::encode($data));
+ }
+}

framework/Bencode/ParseErrorException.php

@@ -0,0 +1,14 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: Rhilip
+ * Date: 2019/2/2
+ * Time: 20:27
+ */
+
+namespace Rid\Bencode;
+
+
+class ParseErrorException extends \RuntimeException
+{
+}