Class: Ji2p::Server::HTTP

Inherits:
Object
  • Object
show all
Defined in:
lib/ji2p/server/http.rb

Constant Summary collapse

VERSION = 
"HTTP/1.1"
CRLF = 
"\r\n"

Instance Method Summary collapse

Constructor Details

#initialize(socket, application) ⇒ HTTP

Returns a new instance of HTTP.



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# File 'lib/ji2p/server/http.rb', line 8

def initialize(socket, application)
  @socket = socket
  @application = application
end

Instance Method Details

#handle ⇒ Object 



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# File 'lib/ji2p/server/http.rb', line 44

def handle
  env = parse

  status, headers, body = @application.call(env)

  time = Time.now.httpdate

  @socket.write "#{env['HTTP_VERSION']} #{status} #{Rack::Utils::HTTP_STATUS_CODES.fetch(status.to_i) { 'UNKNOWN' }}#{CRLF}"
  @socket.write "Date: #{time}#{CRLF}"
  @socket.write "Connection: close#{CRLF}"

  headers.each do |key, value|
    @socket.write "#{key}: #{value}#{CRLF}"
  end

  @socket.write(CRLF)

  body.each do |chunk|
    @socket.write(chunk)
  end

  Ji2p.logger.info("[#{time}] '#{env["REQUEST_METHOD"]} #{env["REQUEST_URI"]} #{env["HTTP_VERSION"]}' #{status}")
end

#parse ⇒ Object 



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# File 'lib/ji2p/server/http.rb', line 13

def parse
  matches = /\A(?<method>\S+)\s+(?<uri>\S+)\s+(?<version>\S+)#{CRLF}\Z/.match(@socket.readline)
  uri = URI.parse(matches[:uri])

  env = {
    "rack.errors" => $stderr,
    "rack.version" => Rack::VERSION,
    "rack.url_scheme" => uri.scheme || "http",
    "REQUEST_METHOD" => matches[:method],
    "REQUEST_URI" => matches[:uri],
    "HTTP_VERSION" => matches[:version],
    "QUERY_STRING" => uri.query || "",
    "SERVER_PORT" => uri.port || 80,
    "SERVER_NAME" => uri.host || "localhost",
    "PATH_INFO" => uri.path || "",
    "SCRIPT_NAME" => "",
  }

  while matches = /\A(?<key>[^:]+):\s*(?<value>.+)#{CRLF}\Z/.match(hl = @socket.readline)
    case matches[:key]
    when Rack::ContentType then env["CONTENT_TYPE"] = matches[:value]
    when Rack::ContentLength then env["CONTENT_LENGTH"] = Integer(matches[:value])
    else env["HTTP_" + matches[:key].tr("-", "_").upcase] ||= matches[:value]
    end
  end

  env["rack.input"] = StringIO.new(@socket.read(env["CONTENT_LENGTH"] || 0))

  return env #.map { |_,v| String.new v }
end