From 56bf69a7707e8e14e3da841d4d7e63984eab96b8 Mon Sep 17 00:00:00 2001
From: Book Pauk <bookpauk@gmail.com>
Date: Thu, 28 Feb 2019 15:52:13 +0700
Subject: [PATCH] =?UTF-8?q?=D0=A3=D1=80=D0=B5=D0=B7=D0=B0=D0=BB=20=D0=BE?=
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---
 server/core/BookConverter/ConvertBase.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/server/core/BookConverter/ConvertBase.js b/server/core/BookConverter/ConvertBase.js
index ca78b442..ef06884e 100644
--- a/server/core/BookConverter/ConvertBase.js
+++ b/server/core/BookConverter/ConvertBase.js
@@ -5,6 +5,8 @@ const chardet = require('chardet');
 const textUtils = require('./textUtils');
 const utils = require('../utils');
 
+let execConverterCounter = 0;
+
 class ConvertBase {
     constructor(config) {
         this.config = config;
@@ -30,7 +32,11 @@ class ConvertBase {
     }
 
     async execConverter(path, args, onData) {
+        execConverterCounter++;
         try {
+            if (execConverterCounter > 10)
+                throw new Error('Слишком большая очередь конвертирования. Пожалуйста, попробуйте позже.');
+
             const result = await utils.spawnProcess(path, {args, onData});
             if (result.code != 0) {
                 let error = result.code;
@@ -46,6 +52,8 @@ class ConvertBase {
             } else {
                 throw new Error(e);
             }
+        } finally {
+            execConverterCounter--;
         }
     }