Class: Phrender::PhantomJSSession

Inherits:
Object
  • Object
show all
Defined in:
lib/phrender/phantom_js_session.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cmd, timeout) ⇒ PhantomJSSession

Returns a new instance of PhantomJSSession.



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# File 'lib/phrender/phantom_js_session.rb', line 9

def initialize(cmd, timeout)
  @stdin, @stdout, @stderr, @wait_thr = Open3.popen3(cmd)
  @start_time = Time.now
  @rendered = false
  @timeout = timeout
end

Instance Attribute Details

#page ⇒ Object

Returns the value of attribute page.



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# File 'lib/phrender/phantom_js_session.rb', line 7

def page
  @page
end

#rendered ⇒ Object

Returns the value of attribute rendered.



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# File 'lib/phrender/phantom_js_session.rb', line 6

def rendered
  @rendered
end

#stderr ⇒ Object

Returns the value of attribute stderr.



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# File 'lib/phrender/phantom_js_session.rb', line 4

def stderr
  @stderr
end

#stdin ⇒ Object

Returns the value of attribute stdin.



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# File 'lib/phrender/phantom_js_session.rb', line 2

def stdin
  @stdin
end

#stdout ⇒ Object

Returns the value of attribute stdout.



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# File 'lib/phrender/phantom_js_session.rb', line 3

def stdout
  @stdout
end

#wait_thr ⇒ Object

Returns the value of attribute wait_thr.



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# File 'lib/phrender/phantom_js_session.rb', line 5

def wait_thr
  @wait_thr
end

Instance Method Details

#expired? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/phrender/phantom_js_session.rb', line 16

def expired?
  (Time.now - @start_time) >= @timeout
end

#shutdown ⇒ Object 



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# File 'lib/phrender/phantom_js_session.rb', line 20

def shutdown
  [ @stdin, @stdout, @stderr ].each do |pipe|
    begin
      pipe.close
    rescue IOError
    end
  end
  begin
    Process.kill("TERM", @wait_thr.pid)
  rescue Errno::ESRCH
  end
end