Class: Arachnid2::Typhoeus

Inherits:
Object
  • Object
show all
Includes:
Exoskeleton, CachedResponses
Defined in:
lib/arachnid2/typhoeus.rb

Constant Summary

Constants included from CachedResponses

CachedResponses::CACHE_SERVICE_URL

Instance Method Summary collapse

Methods included from Exoskeleton

#bound_time, #bound_urls, #browser_type, #crawl_options, #extension_ignored?, #extract_hrefs, #in_docker?, #internal_link?, #make_absolute, #maximum_load_rate, #memory_danger?, #non_html_extensions, #preflight, #process, #proxy, #skip_link?, #timeout, #vacuum

Methods included from CachedResponses

#check_config, #load_data, #put_cached_data

Constructor Details

#initialize(url) ⇒ Typhoeus

Returns a new instance of Typhoeus.



6
7
8
9
10
# File 'lib/arachnid2/typhoeus.rb', line 6

def initialize(url)
  @url = url
  @domain = Adomain[@url]
  @cached_data = []
end

Instance Method Details

#crawl(opts = {}) ⇒ Object



12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
# File 'lib/arachnid2/typhoeus.rb', line 12

def crawl(opts = {})
  preflight(opts)
  typhoeus_preflight

  until @global_queue.empty?
    max_concurrency.times do
      q = @global_queue.shift

      break if time_to_stop?
      @global_visited.insert(q)

      found_in_cache = use_cache(q, opts, &Proc.new)
      return if found_in_cache

      request = ::Typhoeus::Request.new(q, request_options)
      requestable = after_request(request, &Proc.new)
      @hydra.queue(request) if requestable
    end # max_concurrency.times do

    @hydra.run
  end # until @global_queue.empty?
ensure
  @cookie_file.close! if @cookie_file
end