class Typhoeus::EasyFactory
This is a Factory for easies to be used in the hydra. Before an easy is ready to be added to a multi the on_complete callback to be set. This is done by this class.
@api private
Constants
- CHANGED_OPTIONS
- REMOVED_OPTIONS
- RENAMED_OPTIONS
- SANITIZE_IGNORE
- SANITIZE_TIMEOUT
Attributes
hydra[R]
Returns the hydra provided.
@return [ Typhoeus::Hydra
]
request[R]
Returns the request provided.
@return [ Typhoeus::Request
]
Public Class Methods
new(request, hydra = nil)
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Create an easy factory.
@example Create easy factory.
Typhoeus::Hydra::EasyFactory.new(request, hydra)
@param [ Request
] request The request to build an easy for. @param [ Hydra
] hydra The hydra to build an easy for.
# File lib/typhoeus/easy_factory.rb, line 58 def initialize(request, hydra = nil) @request = request @hydra = hydra end
Public Instance Methods
easy()
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Return the easy in question.
@example Return easy.
easy_factory.easy
@return [ Ethon::Easy ] The easy.
# File lib/typhoeus/easy_factory.rb, line 69 def easy @easy ||= Typhoeus::Pool.get end
get()
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Fabricated easy.
@example Prepared easy.
easy_factory.get
@return [ Ethon::Easy ] The easy.
# File lib/typhoeus/easy_factory.rb, line 79 def get begin easy.http_request( request.base_url.to_s, request.options.fetch(:method, :get), sanitize(request.options) ) rescue Ethon::Errors::InvalidOption => e help = provide_help(e.message.match(/:\s(\w+)/)[1]) raise $!, "#{$!}#{help}", $!.backtrace end set_callback easy end
Private Instance Methods
provide_help(option)
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# File lib/typhoeus/easy_factory.rb, line 172 def provide_help(option) if new_option = CHANGED_OPTIONS[option.to_sym] "\nPlease try #{new_option} instead of #{option}." if new_option elsif REMOVED_OPTIONS.include?(option.to_sym) "\nThe option #{option} was removed." end end
sanitize(options)
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# File lib/typhoeus/easy_factory.rb, line 96 def sanitize(options) # set nosignal to true by default # this improves thread safety and timeout behavior sanitized = {:nosignal => true} request.options.each do |k,v| s = k.to_sym next if SANITIZE_IGNORE.include?(s) if new_option = RENAMED_OPTIONS[k.to_sym] warn("Deprecated option #{k}. Please use #{new_option} instead.") sanitized[new_option] = v # sanitize timeouts elsif SANITIZE_TIMEOUT.include?(s) if !v.integer? warn("Value '#{v}' for option '#{k}' must be integer.") end sanitized[k] = v.ceil else sanitized[k] = v end end sanitize_timeout!(sanitized, :timeout) sanitize_timeout!(sanitized, :connecttimeout) sanitized end
sanitize_timeout!(options, timeout)
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# File lib/typhoeus/easy_factory.rb, line 123 def sanitize_timeout!(options, timeout) timeout_ms = :"#{timeout}_ms" if options[timeout] && options[timeout].round != options[timeout] if !options[timeout_ms] options[timeout_ms] = (options[timeout]*1000).ceil end options[timeout] = options[timeout].ceil end options end
set_callback()
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Sets on_complete callback on easy in order to be able to track progress.
@example Set callback.
easy_factory.set_callback
@return [ Ethon::Easy ] The easy.
# File lib/typhoeus/easy_factory.rb, line 141 def set_callback if request.streaming? response = nil easy.on_headers do |easy| response = Response.new(Ethon::Easy::Mirror.from_easy(easy).options) request.execute_headers_callbacks(response) end request.on_body.each do |callback| easy.on_body do |chunk, easy| callback.call(chunk, response) end end else easy.on_headers do |easy| request.execute_headers_callbacks(Response.new(Ethon::Easy::Mirror.from_easy(easy).options)) end end request.on_progress.each do |callback| easy.on_progress do |dltotal, dlnow, ultotal, ulnow, easy| callback.call(dltotal, dlnow, ultotal, ulnow, response) end end easy.on_complete do |easy| request.finish(Response.new(easy.mirror.options)) Typhoeus::Pool.release(easy) if hydra && !hydra.queued_requests.empty? hydra.dequeue_many end end end