naveed-fida/manual_http_request_handling.rb

## manual_http_request_handling.rb
require "socket"

def parse_request(request_line)
  http_method, path_and_params, http_version = request_line.split(" ")
  path, params = path_and_params.split("?")
  params = (params || '').split("&").map {|p| p.split("=")}.to_h

  [http_method, path, params]
end

server = TCPServer.new('localhost', 3003)

loop do
  client = server.accept

  request_line = client.gets
  next unless request_line
  next if request_line =~ /favicon/
  puts request_line

  http_method, path, params = parse_request(request_line)

  client.puts "HTTP/1.0 200 OK"
  client.puts 'Content-Type: text/html'
  client.puts
  client.puts "<html>"
  client.puts "<body>"
  client.puts '<pre>'
  client.puts http_method
  client.puts path
  client.puts params
  client.puts '</pre>'

  client.puts '<h1>Counter</h1>'

  number = params['number'].to_i
  client.puts "<p>The current number is #{number}.</p>"

  client.puts "<a href='?number=#{number + 1}'>Add One</a>"
  client.puts "<a href='?number=#{number - 1}'>Subtract One</a>"

  client.puts '</body>'
  client.puts '</html>'

  client.close
end
	require "socket"

	def parse_request(request_line)
	http_method, path_and_params, http_version = request_line.split(" ")
	path, params = path_and_params.split("?")
	params = (params \|\| '').split("&").map {\|p\| p.split("=")}.to_h

	[http_method, path, params]
	end

	server = TCPServer.new('localhost', 3003)

	loop do
	client = server.accept

	request_line = client.gets
	next unless request_line
	next if request_line =~ /favicon/
	puts request_line

	http_method, path, params = parse_request(request_line)

	client.puts "HTTP/1.0 200 OK"
	client.puts 'Content-Type: text/html'
	client.puts
	client.puts "<html>"
	client.puts "<body>"
	client.puts '<pre>'
	client.puts http_method
	client.puts path
	client.puts params
	client.puts '</pre>'

	client.puts '<h1>Counter</h1>'

	number = params['number'].to_i
	client.puts "<p>The current number is #{number}.</p>"

	client.puts "<a href='?number=#{number + 1}'>Add One</a>"
	client.puts "<a href='?number=#{number - 1}'>Subtract One</a>"

	client.puts '</body>'
	client.puts '</html>'

	client.close
	end