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require 'http/parser'
require 'openssl'
require 'resolv'
module Twitter
module Streaming
class Connection
attr_reader :tcp_socket_class, :ssl_socket_class
def initialize(options = {})
@tcp_socket_class = options.fetch(:tcp_socket_class) { TCPSocket }
@ssl_socket_class = options.fetch(:ssl_socket_class) { OpenSSL::SSL::SSLSocket }
@using_ssl = options.fetch(:using_ssl) { false }
@write_pipe = nil
end
def stream(request, response) # rubocop:disable Metrics/MethodLength
client = connect(request)
request.stream(client)
read_pipe, @write_pipe = IO.pipe
loop do
read_ios, _write_ios, _exception_ios = IO.select([read_pipe, client])
case read_ios.first
when client
response << client.readpartial(1024)
when read_pipe
break
end
end
client.close
end
def connect(request)
client = new_tcp_socket(request.socket_host, request.socket_port)
return client if !@using_ssl && request.using_proxy?
client_context = OpenSSL::SSL::SSLContext.new
ssl_client = @ssl_socket_class.new(client, client_context)
ssl_client.connect
end
def close
@write_pipe&.write('q')
end
private
def new_tcp_socket(host, port)
@tcp_socket_class.new(Resolv.getaddress(host), port)
end
end
end
end
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