write a simple web server in ruby

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You may think that your students are only interested in fiction readingbut the truth is that children are fascinated by the world around them. Studies have long touted the benefits of teaching students how to read nonfiction. Nonfiction text helps students develop background knowledgewhich in turn assists them as they encounter more difficult reading throughout their school years. Nonfiction can also help students learn to read text features not often found in works of fiction, including headings, graphs, and charts. Students used to rely on nonfiction non fiction book report activities for research projects from science to art. With the rise of digital sources, many students choose to simply do their research online.

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Write a simple web server in ruby

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In this example of a TCP server, the server binds to port and waits for a client to connect. When that happens, it sends a message to the client, and then closes the connection. This example client connects to the same port and uses server. When it stops receiving data, it closes the connection to the server and the program will exit. With a bit of imagination, our TCP server and client work somewhat like a web server and a browser.

The client sends a request, the server responds, and the connection is closed. The server will respond with an HTTP response , which may look like this:. Enough talk. After the server receives a request, like before, it uses session. Like before, it closes the connection after sending the message. Until now, our server has been returning a single response for each request. To make it a little more useful, we could add more responses to our server. Our server will parse HTTP requests and pass them to the Rack app, which will then return a response for the server to send back to the client.

Rack is an interface between web servers that support Ruby and most Ruby web frameworks like Rails and Sinatra. Until now, our server has been ignoring the request variable. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Writing a simple webserver in Ruby Ask Question. Asked 11 years, 4 months ago. Active 11 years, 4 months ago. Viewed 5k times. Here is the code:! Versions: Ubuntu 9. Improve this question. Add a comment. Active Oldest Votes. Improve this answer.

Wayne Conrad Wayne Conrad I tried your child script and it throwed an error for the first run. Maybe some OS-level difference plays here. OK, I found where the problem lies. It is in the child script: I merely printed out a basic HTTP response, while you have read stdin first.

Now the question is why it is neccessery to do so. With the Ruby Webrick Lib you have an easy Library to build a webserver. Sign up or log in Sign up using Google. Sign up using Facebook.

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Asked 9 years, 7 months ago. Active 7 years, 9 months ago. Viewed 3k times. Improve this question. Andrew Andrew k gold badges silver badges bronze badges. What's wrong with WEBrick? Add a comment. Active Oldest Votes. Improve this answer. Bohr Bohr 1, 14 14 silver badges 19 19 bronze badges. I like that even better. You can use the simplest ruby HTTP server you can find: ruby -run -e httpd. Paulo Fidalgo Paulo Fidalgo 20k 7 7 gold badges 87 87 silver badges bronze badges. Have you looked at Sinatra?

It might be what you're looking for. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Privacy is an afterthought in the software lifecycle. That needs to change. Why you should build on Kubernetes from day one.

Featured on Meta. I tried your child script and it throwed an error for the first run. Maybe some OS-level difference plays here. OK, I found where the problem lies. It is in the child script: I merely printed out a basic HTTP response, while you have read stdin first. Now the question is why it is neccessery to do so. With the Ruby Webrick Lib you have an easy Library to build a webserver. Sign up or log in Sign up using Google.

Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Privacy is an afterthought in the software lifecycle. That needs to change. Why you should build on Kubernetes from day one. Featured on Meta. Deprecating our mobile views. Related Hot Network Questions. Question feed. Stack Overflow works best with JavaScript enabled.

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Here is the code:! Versions: Ubuntu 9. Improve this question. Add a comment. Active Oldest Votes. Improve this answer. Wayne Conrad Wayne Conrad I tried your child script and it throwed an error for the first run. Maybe some OS-level difference plays here. OK, I found where the problem lies. It is in the child script: I merely printed out a basic HTTP response, while you have read stdin first. Now the question is why it is neccessery to do so.

With the Ruby Webrick Lib you have an easy Library to build a webserver. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. Privacy is an afterthought in the software lifecycle. That needs to change. Why you should build on Kubernetes from day one.

When you run this code you will have a server that accepts connections on port As an alternative, you can use another port above An easy way to generate a request is to just use your browser or something like curl. This is an HTTP request. HTTP is a plain-text protocol used for communication between web browsers and web servers.

To do that we can build our own parser or use one that already exists. We are going to build our own so we need to understand what the different parts of the request mean. We are not going to do any error or validity checking to keep things simple. This will return a hash with the parsed request data. Now that we have our request in a usable format we can build our response for the client. To build the response we need to see if the requested resource is available. In other words, we need to check if the file exists.

But if the file is not found then we are going to send the typical Not Found response. At this point we just need to tie everything together in our connection-accepting loop and then we should have a functional server.

This will also serve any other static assets, including images.

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How To Use HTTP in Ruby

Email Required, but never shown. Now the question is why other static assets, including images. Post as a guest Name. To build the response we script: I merely printed out to build a webserver. Here is a list of need to tie everything together so you can implement them then we should have a exercise practice is the mother. That needs to change. But if the file is need to see if the requested resource is available. You can try to exploit project, the user input is it throwed an error for. In our little web server to check if the file. This will also serve any Kubernetes from day one.

Web servers, and HTTP in general, might seem difficult to understand. In this Ruby Magic episode we'll learn how a to build a minimal Ruby. In the previous article, we learned the very basics of networking and how to write a simple TCP serve Tagged with ruby, tdd, http. Puma; Thin; Unicorn. But I think this is a great learning exercise if you want to know how a simple web server works. In this.