class Bluepill::ProcessConditions::Http

Public Class Methods

new(options = {}) click to toggle source
# File lib/bluepill/process_conditions/http.rb, line 7
def initialize(options = {})
  @uri = URI.parse(options[:url])
  @kind = begin
    case options[:kind]
    when Fixnum
      Net::HTTPResponse::CODE_TO_OBJ[options[:kind].to_s]
    when String, Symbol
      Net.const_get("HTTP#{options[:kind].to_s.camelize}")
    else
      Net::HTTPSuccess
    end
  end
  @pattern = options[:pattern] || nil
  @open_timeout = (options[:open_timeout] || options[:timeout] || 5).to_i
  @read_timeout = (options[:read_timeout] || options[:timeout] || 5).to_i
end

Public Instance Methods

check(value) click to toggle source
# File lib/bluepill/process_conditions/http.rb, line 42
def check(value)
  return false unless value.is_a?(@kind)
  return true  unless @pattern
  return false unless value.class.body_permitted?
  @pattern =~ value.body
end
run(_pid, _include_children) click to toggle source
# File lib/bluepill/process_conditions/http.rb, line 24
def run(_pid, _include_children)
  session = Net::HTTP.new(@uri.host, @uri.port)
  if @uri.scheme == 'https'
    require 'net/https'
    session.use_ssl = true
    session.verify_mode = OpenSSL::SSL::VERIFY_NONE
  end
  session.open_timeout = @open_timeout
  session.read_timeout = @read_timeout
  hide_net_http_bug do
    session.start do |http|
      http.get(@uri.request_uri)
    end
  end
rescue
  $ERROR_INFO
end

Private Instance Methods

hide_net_http_bug() { || ... } click to toggle source
# File lib/bluepill/process_conditions/http.rb, line 51
def hide_net_http_bug
  yield
rescue NoMethodError => e
  if e.to_s =~ /#{Regexp.escape("undefined method `closed?' for nil:NilClass")}/
    raise(Errno::ECONNREFUSED, "Connection refused attempting to contact #{@uri.scheme}://#{@uri.host}:#{@uri.port}")
  else
    raise
  end
end