Class: BlackStack::PampaBrowser

Inherits:
Watir::Browser
  • Object
show all
Defined in:
lib/browserfactory.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(driver) ⇒ PampaBrowser

Returns a new instance of PampaBrowser.



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# File 'lib/browserfactory.rb', line 62

def initialize(driver)
  # TODO: enable this when you move to the "frequency-based-streaming" model
  #fname = PAMPA_BROWSER_CHANNEL_LOCK_FILENAME.gsub('%PRFILE_NAME%', self.profile_name.to_s)
  #self.lockfile = File.open(fname,"w")
  
  #
  super(driver)

  # TODO: enable this when you move to the "frequency-based-streaming" model
=begin
  # Can't operate the same browser from more than 1 thread.
  # More information here:
  # https://stackoverflow.com/questions/28093347/is-selenium-webdriver-thread-safe  
  #
  # https://bibwild.wordpress.com/2015/01/15/ruby-threads-gotcha-with-local-vars-and-shared-state/
  # https://stackoverflow.com/questions/55895952/ruby-how-do-i-share-a-global-variable-amongst-threads-that-are-running-an-objec
  #
  t0 = Thread.new {
    minimum_enlapsed_seconds = 5.to_f
    while true 
      start_time = Time.now
      t1 = Thread.new(self) do |t_browser|
        #while true
          begin
            self.lock_channel
            sleep(1) # para esperar a que se ejecute la sentencia t1.join debajo
            t_browser.push_screenshot
            self.release_channel
          rescue => e
            # Communication with the chrome driver errors may occur.
            # If an exception happens here and it is not catched, then
            # then the thread will stop workng and the streaming will
            # stop.
          end
        #end # while true
      end # Thread.new
      t1.join
      end_time = Time.now
      elapsed_seconds = (end_time - start_time).to_f
      if (elapsed_seconds < minimum_enlapsed_seconds)
        sleep_seconds = minimum_enlapsed_seconds - elapsed_seconds 
        sleep(sleep_seconds.to_i + 1)
      end # if
    end # while true            
  } # Thread.new
=end
end

Instance Attribute Details

#agent_name ⇒ Object

TODO: enable this when you move to the “frequency-based-streaming” model PAMPA_BROWSER_CHANNEL_LOCK_FILENAME = ‘./browserfactory.channel.%PRFILE_NAME%.lock’ # manejo de concurrencia en la creación de browsers attr_accessor :lockfile



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# File 'lib/browserfactory.rb', line 52

def agent_name
  @agent_name
end

#lnuser ⇒ Object

TODO: enable this when you move to the “frequency-based-streaming” model PAMPA_BROWSER_CHANNEL_LOCK_FILENAME = ‘./browserfactory.channel.%PRFILE_NAME%.lock’ # manejo de concurrencia en la creación de browsers attr_accessor :lockfile



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# File 'lib/browserfactory.rb', line 52

def lnuser
  @lnuser
end

#profile_name ⇒ Object

TODO: enable this when you move to the “frequency-based-streaming” model PAMPA_BROWSER_CHANNEL_LOCK_FILENAME = ‘./browserfactory.channel.%PRFILE_NAME%.lock’ # manejo de concurrencia en la creación de browsers attr_accessor :lockfile



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# File 'lib/browserfactory.rb', line 52

def profile_name
  @profile_name
end

#proxy ⇒ Object

TODO: enable this when you move to the “frequency-based-streaming” model PAMPA_BROWSER_CHANNEL_LOCK_FILENAME = ‘./browserfactory.channel.%PRFILE_NAME%.lock’ # manejo de concurrencia en la creación de browsers attr_accessor :lockfile



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# File 'lib/browserfactory.rb', line 52

def proxy
  @proxy
end

Instance Method Details

#back ⇒ Object 



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# File 'lib/browserfactory.rb', line 167

def back
  self.notify("back")
  super
  BlackStack::BrowserFactory.browser.push_screenshot
end

#execute_script(script, *args) ⇒ Object 



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# File 'lib/browserfactory.rb', line 179

def execute_script(script, *args)
  self.notify("execute_script")
  super
  BlackStack::BrowserFactory.browser.push_screenshot
end

#forward ⇒ Object 



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# File 'lib/browserfactory.rb', line 173

def forward
  self.notify("forward")
  super
  BlackStack::BrowserFactory.browser.push_screenshot
end

#goto(url) ⇒ Object 



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# File 'lib/browserfactory.rb', line 185

def goto(url)
#      self.notify("goto")
  super
#      BlackStack::BrowserFactory.browser.push_screenshot
end

#inspect ⇒ Object 



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# File 'lib/browserfactory.rb', line 209

def inspect
  self.notify("inspect")
  super
  BlackStack::BrowserFactory.browser.push_screenshot
end

#lock_channel ⇒ Object 



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# File 'lib/browserfactory.rb', line 54

def lock_channel()
  self.lockfile.flock(File::LOCK_EX)
end

#notify(method) ⇒ Object

def initialize



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# File 'lib/browserfactory.rb', line 110

def notify(method)
  url = "#{BlackStack::Pampa::api_protocol}://#{PROCESS.ws_url}:#{PROCESS.ws_port}/api1.3/pampa/browser/notify.json"
  res = BlackStack::Netting::call_post(url, {
    :api_key => BlackStack::Pampa::api_key,
    :filename => $0,
    :method => method,
    :worker_name => PROCESS.fullWorkerName,
    :id_proxy => self.proxy.nil? ? nil : self.proxy.id,
    :id_lnuser => self.lnuser.nil? ? nil : self.lnuser.id,
    :worker_assigned_process => PROCESS.worker.assigned_process,
    :profile_name => self.profile_name,
    :agent_name => self.agent_name,
  })        
  parsed = JSON.parse(res.body)
  if parsed['status'] != "success"
    raise "Error Tracing BrowserActivity: #{parsed['status']}"
  end
end

#push_screenshot(filename = nil) ⇒ Object 



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# File 'lib/browserfactory.rb', line 129

def push_screenshot(filename=nil)
=begin
  filename = "#{PROCESS.fullWorkerName}.png" if filename.nil?
  BrowserFactory::screenshot(filename)

  image = MiniMagick::Image.open(filename)
  w = (image[:width].to_f * 0.25).to_i
  h = (image[:height].to_f * 0.25).to_i
  image.resize "#{w.to_s}x#{h.to_s}"
  image.format "png"
  image.write filename

  url = "#{BlackStack::Pampa::api_protocol}://#{PROCESS.ws_url}:#{PROCESS.ws_port}/api1.3/pampa/browser/screenshot.json"
  res = RestClient::Request.execute(
    :api_key => BlackStack::Pampa::api_key,
    :id_client => PROCESS.id_client,
    :verify_ssl => false,
    :url => url, 
    :method => :post, 
    :headers => {
      :accept => 'application/json',
      :params => {
        :api_key => BlackStack::Pampa.api_key,
        :filename => filename,          
      },
    },
    :payload => {
      :file => File.new(filename, "r"),
      :multipart => false,     
    }
  )        
  parsed = JSON.parse(res.body)
  if parsed['status'] != "success"
    raise "Error Uploading Screenshot: #{parsed['status']}"
  end
=end
end

#refresh ⇒ Object 



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# File 'lib/browserfactory.rb', line 203

def refresh
  self.notify("refresh")
  super
  BlackStack::BrowserFactory.browser.push_screenshot
end

#release_channel ⇒ Object 



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# File 'lib/browserfactory.rb', line 58

def release_channel()
  self.lockfile.flock(File::LOCK_UN)
end

#reset! ⇒ Object 



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# File 'lib/browserfactory.rb', line 197

def reset!
  self.notify("reset!")
  super
  BlackStack::BrowserFactory.browser.push_screenshot
end

#screenshot ⇒ Object 



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# File 'lib/browserfactory.rb', line 191

def screenshot
  self.notify("screenshot")
  super
  BlackStack::BrowserFactory.browser.push_screenshot
end

#send_keys(*args) ⇒ Object 



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# File 'lib/browserfactory.rb', line 215

def send_keys(*args)
  # no se notifica el evento, porque incremente el # de llamadas a la API de 800/hora a 5000/hora, y eso requiere mas infraestructura
  #self.notify("send_keys")
  super
  #BlackStack::BrowserFactory.browser.push_screenshot
end

#text ⇒ Object 



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# File 'lib/browserfactory.rb', line 222

def text
  self.notify("text")
  super
  BlackStack::BrowserFactory.browser.push_screenshot
end

#title ⇒ Object 



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# File 'lib/browserfactory.rb', line 228

def title
  self.notify("title")
  super
  BlackStack::BrowserFactory.browser.push_screenshot
end

#url ⇒ Object 



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# File 'lib/browserfactory.rb', line 234

def url
  self.notify("url")
  super
  BlackStack::BrowserFactory.browser.push_screenshot
end

#wait(timeout = 5) ⇒ Object 



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# File 'lib/browserfactory.rb', line 240

def wait(timeout = 5)
  self.notify("wait")
  super
  BlackStack::BrowserFactory.browser.push_screenshot
end