如何在Ruby on Rails中使用TCPServer？

Question

I am using Ruby on Rails on Cloud9 IDE 我在Cloud9 IDE上使用Ruby on Rails

$ ruby -v
ruby 2.3.0p0 (2015-12-25 revision 53290) [x86_64-linux]
 $ rails -v
Rails 4.2.4

I have to transmit data between server and GPS device. 我必须在服务器和GPS设备之间传输数据。 I put on device and did code like below. 我在设备上放了代码，如下所示。

My_Controller My_Controller

class DashboardController < ApplicationController

    before_action :authenticate_user!


       def index

        require 'socket'
        server = TCPServer.new ("127.0.0.1",8000)
        loop do
          Thread.start(server.accept) do |client|
            client.puts "Hello !"
            client.puts "Time is #{Time.now}"
            client.close
          end
        end
        @bookings = Booking.where(user: current_user).joins(:customer, :driver, :car)
        @customers = Customer.where(user: current_user)
       end
end` ****

when i ran this i got 当我跑这个我得到

<html>
  <head>
    <meta charset='utf-8'> 
    <title>Error 502 - Bad Gateway</title>
    <link rel="stylesheet" type="text/css" href="https://cdn.c9.io/errors/style.css" />
    <style type="text/css">
    .error_content {
        background: rgba(255, 255, 255, 0.23);
        padding: 10px;
        width: 641px;
        margin: 25px 0;
        display: none;
    }

    #error-msg {
        display: block;
    }
    </style>
  </head>
  <body class="errorUnknown light">
    <div id="wrapper">
      <h1>Error 502 - Bad Gateway</h1>
      <div class="error_content" id="error-msg">
          <p>Please click <a href="javascript:location.reload(true)">here</a> to try again, if the issue persists please contact <a href="https://c9.io/support">support</a></p>
      </div>

      <a href="http://status.c9.io">Status Page</a> |
      <a href="https://c9.io/support">Support</a> |
      <a href="https://c9.io/dashboard.html">Dashboard</a> |
      <a href="https://c9.io">Home</a>
    </div>
  </body>
</html>

Kindly, help me how to solve this problem.. Thanks in advance. 请帮助我如何解决这个问题。

Answer 1

You go into an endless loop in the action. 您在动作中陷入无休止的循环。 The request from the reverse proxy to your rails server times out. 从反向代理到Rails服务器的请求超时。 The reverse proxy sends an error message (502) to the browser. 反向代理将错误消息（502）发送到浏览器。

如何在Ruby on Rails中使用TCPServer？

问题描述

1 个解决方案

解决方案1
2 2016-09-10 06:38:49

如何在Ruby on Rails中使用TCPServer？

问题描述

1 个解决方案

解决方案1 2 2016-09-10 06:38:49

解决方案1
2 2016-09-10 06:38:49