class Excon::Middleware::Hijack
Hijack
is an Excon
middleware which parses response headers and then yields the underlying TCP socket for raw TCP communication (used to attach to STDIN of containers).
Public Class Methods
valid_parameter_keys()
click to toggle source
# File lib/excon/middlewares/hijack.rb, line 9 def self.valid_parameter_keys [:hijack_block].freeze end
Public Instance Methods
build_response(status, socket)
click to toggle source
# File lib/excon/middlewares/hijack.rb, line 13 def build_response(status, socket) response = { :body => '', :headers => Excon::Headers.new, :status => status, :remote_ip => socket.respond_to?(:remote_ip) && socket.remote_ip, } if socket.data[:scheme] =~ /^(https?|tcp)$/ response.merge({ :local_port => socket.respond_to?(:local_port) && socket.local_port, :local_address => socket.respond_to?(:local_address) && socket.local_address }) end response end
response_call(datum)
click to toggle source
# File lib/excon/middlewares/hijack.rb, line 32 def response_call(datum) if datum[:hijack_block] # Need to process the response headers here rather than in # Excon::Middleware::ResponseParser as the response parser will # block trying to read the body. socket = datum[:connection].send(:socket) # c.f. Excon::Response.parse until match = /^HTTP\/\d+\.\d+\s(\d{3})\s/.match(socket.readline); end status = match[1].to_i datum[:response] = build_response(status, socket) Excon::Response.parse_headers(socket, datum) datum[:hijack_block].call socket.instance_variable_get(:@socket) end @stack.response_call(datum) end