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thash/ancestors.rb

Last active August 29, 2015 14:06
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AllAbout 020 Network
Raw
ancestors.rb
File.ancestors
=> [File, IO, File::Constants, Enumerable, Object, Kernel, BasicObject]
TCPSocket.ancestors
=> [TCPSocket, IPSocket, BasicSocket, IO, File::Constants, Enumerable, Object, Kernel, BasicObject]
TCPServer.ancestors
=> [TCPServer, TCPSocket, IPSocket, BasicSocket, IO, File::Constants, Enumerable, Object, Kernel, BasicObject]
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client.rb
require 'socket'
socket = TCPSocket.open(*ARGV)
while line = STDIN.gets
socket.puts line
socket.flush
puts socket.gets
end
socket.close
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client.sh
$ ruby server.rb
# 別コンソールで
$ ruby client.rb localhost 2000
waiwai
waiwai :D
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http.rb
require 'socket'
require 'uri'
# $ ruby http.rb http://allabout.co.jp/gm/gc/446050/
uri = URI(ARGV[0])
# puts uri.host => "allabout.co.jp"
# puts uri.port => 80
# puts uri.path => "/gm/gc/446050/"
socket = TCPSocket.new(uri.host, uri.port)
socket.puts("GET #{uri.path} HTTP/1.0\r\n")
socket.puts("Host: #{uri.host}\r\n")
socket.puts("\r\n")
# socket.read はレスポンス全体でheaderとbodyを含むため, headerだけ切り落としbodyを出力
puts socket.read.split("\r\n\r\n").drop(1)
socket.close
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http.sh
$ ruby http.rb http://allabout.co.jp/gm/gc/446050/
<!DOCTYPE HTML>
<html lang="ja" id="ptm-form" class="r_itdigital">
<head>
<link rel="alternate" media="handheld" href="http://m.allabout.co.jp/gm/gc/446050/">
<link rel="alternate" media="only screen and (max-width: 640px)" href="http://touch.allabout.co.jp/gm/gc/446050/">
<link rel="canonical" href="http://allabout.co.jp/gm/gc/446050/">
<link rel="next" href="http://allabout.co.jp/gm/gc/446050/2/">
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
...
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server.rb
require 'socket'
server = TCPServer.new 2000
loop do
# クライアントの接続を待つ
socket = server.accept # #<TCPSocket:fd 9> など
while data = socket.gets
socket.puts data.chomp + ' :D'
end
socket.close
end
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telnet.sh
$ ruby server.rb
# 別のコンソールからtelnetで接続する
$ telnet localhost 2000
Trying ::1...
telnet: connect to address ::1: Connection refused
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
hoge
hoge :D
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