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Asked: 2026-06-14T21:13:04+00:00

I want to send a string from a client to a server via socket.

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I want to send a string from a client to a server via socket. I tried doing this three ways (write, puts and print)

hostname = 'localhost'
port = 3000
s = TCPSocket.new(hostname, port)

s.write("hello")
s.puts("hello")
s.print("hello")

s.close

but it gives me an error (the error does not appear on the browser but on the terminal):
ERROR bad Request-Line 'hello'.

Is it possible to send strings from the client to the server or is it only from server to client?

I am using Ruby 1.8.7 and Rails 3.0.1

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  1. Editorial Team

    It looks like the server doesn’t like your Hello line. You mention Ruby and Rails, I guess you want to talk to WEBrick HTTP server – why don’t you speak HTTP then?

    If you want to implement HTTP client, take a look at http://www.tutorialspoint.com/ruby/ruby_socket_programming.htm

    Under A Tiny Web Browser section you’ll find a working HTTP client using TCPSocket, as well as Net::HTTP example.

    If HTTP is what you need, Net::HTTP is the way to go, implementing HTTP sounds like reinventing the wheel.

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