Class: Apollo::PlatformProgram

Inherits:
BaseProgram show all
Defined in:
lib/apollo_crawler/program/platform_program.rb

Constant Summary collapse

DEFAULT_OPTIONS = 
{
  :version => nil
}

Constants inherited from BaseProgram

BaseProgram::CONFIG_DIR

Instance Attribute Summary

Attributes inherited from BaseProgram

#amqp, #config, #mongo, #options, #optparser

Instance Method Summary collapse

Methods inherited from BaseProgram

get_config_path, #init_amqp, #init_mongo, #init_seeds, #init_seeds_crawlers, #load_config, #load_config_file, #load_configs, #parse_options, #request_exit, require_files

Constructor Details

#initialize ⇒ PlatformProgram

Initializer - Constructor



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# File 'lib/apollo_crawler/program/platform_program.rb', line 63

def initialize
  super
  
  self.options.merge!(DEFAULT_OPTIONS)
end

Instance Method Details

#enqueue_crawlers_urls(amqp, crawlers = Apollo::Crawler::BaseCrawler.subclasses, opts = {}) ⇒ Object 



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# File 'lib/apollo_crawler/program/platform_program.rb', line 100

def enqueue_crawlers_urls(amqp, crawlers=Apollo::Crawler::BaseCrawler.subclasses, opts={})
  crawlers.each do |crawler|
    i = crawler.new
    Apollo::Scheduler::BaseScheduler::schedule(i.url, crawler)
  end  
end

#init_agents(amqp, opts = {}) ⇒ Object 



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# File 'lib/apollo_crawler/program/platform_program.rb', line 125

def init_agents(amqp, opts={})
  puts "Initializing agents"

  init_crawlers(amqp, opts)
  init_domainers(amqp, opts)
  init_fetchers(amqp, opts)  
end

#init_crawlers(amqp, opts = {}) ⇒ Object 



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# File 'lib/apollo_crawler/program/platform_program.rb', line 107

def init_crawlers(amqp, opts={})
  crawlers = []
  crawlers << Apollo::Agent::CrawlerAgent.new(amqp, self.options)
end

#init_domainers(amqp, opts = {}) ⇒ Object 



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# File 'lib/apollo_crawler/program/platform_program.rb', line 112

def init_domainers(amqp, opts={})
  domainers = []
  domainers << Apollo::Agent::DomainerAgent.new(amqp, self.options)
end

#init_domains(opts = {}) ⇒ Object 



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# File 'lib/apollo_crawler/program/platform_program.rb', line 133

def init_domains(opts={})
  path = File.join(File.dirname(__FILE__), "../../../tmp/top-1m.csv")
  puts "#{path}"
  if(File.exists?(path) == false)
    return 0
  end

  Thread::new {
    CSV.foreach(path) do |row|
      name = row[1]
      domain = Apollo::Model::Domain.where({:name => name}).first()
      if(domain.nil?)
        domain = Apollo::Model::Domain.new({:name => name})
        domain.save
        print "."
      end
    end
  }
end

#init_fetchers(amqp, opts = {}) ⇒ Object 



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# File 'lib/apollo_crawler/program/platform_program.rb', line 117

def init_fetchers(amqp, opts={})
  fetchers = []
  fetchers << Apollo::Agent::FetcherAgent.new(amqp, self.options)

  # TODO: This should not be here!
  enqueue_crawlers_urls(amqp, Apollo::Crawler::BaseCrawler.subclasses, opts)
end

#init_options ⇒ Object 



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# File 'lib/apollo_crawler/program/platform_program.rb', line 69

def init_options()
  self.optparser = OptionParser.new do | opts |
    opts.banner = "Usage: apollo-platform [OPTIONS]"

    opts.separator ""
          opts.separator "Specific options:"

    # This displays the help screen, all programs are
    # assumed to have this option.
    opts.on('-h', '--help', 'Display this screen') do
      self.options[:show_help] = true
    end

    opts.on('-e', '--environment [NAME]', "Environment used, default '#{options[:env]}'") do |name|
      self.options[:env] = name
    end

    opts.on('-d', '--daemon', 'Run Apollo Platform daemon') do
      self.options[:daemon] = true
    end

    opts.on('-v', '--verbose', 'Enable verbose output') do
      self.options[:verbose] = true
    end

    opts.on('-V', '--version', 'Show version info') do
      self.options[:version] = true
    end
  end
end

#init_program(args) ⇒ Object 



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# File 'lib/apollo_crawler/program/platform_program.rb', line 153

def init_program(args)
  res = super(args)
  return res unless res.nil?

  init_agents(self.amqp, self.options)
  return nil
end

#process_options(args) ⇒ Object 



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# File 'lib/apollo_crawler/program/platform_program.rb', line 161

def process_options(args)
  if(self.options[:version])
    puts Apollo::VERSION
    return 0
  end

  if(self.options[:show_help])
    puts optparser
    return 0
  end

  # Return nil, it means program can freely continue.
  return nil
end

#requeue_fetching_urls(opts = {}) ⇒ Object 



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# File 'lib/apollo_crawler/program/platform_program.rb', line 176

def requeue_fetching_urls(opts={})
  urls = Apollo::Model::QueuedUrl.where(:state => :fetching)
  urls.each do |url|
    puts "Requeing '#{url.inspect}'" if opts[:verbose]

    url.state = :queued
    url.save
  end
end

#run(args = ARGV) ⇒ Object

Run Program



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# File 'lib/apollo_crawler/program/platform_program.rb', line 187

def run(args = ARGV)
  res = super(args)
  return res unless res.nil?

  init_domains()

  requeue_fetching_urls(self.options)

  # Here we start
  # if(ARGV.length < 1)
  #  puts optparser
  #  return 0
  # end

  res_code = 0
  if(self.options[:daemon])
    planner = Apollo::Planner::SmartPlanner.new(self.amqp, self.mongo, self.options)
    res_code = planner.run(self.options)
  end

  return request_exit(res_code)
end