Class: FileProcessingJob::Server::Connection

Inherits:
EM::Connection
  • Object
show all
Defined in:
lib/fpj/server.rb

Constant Summary collapse

@@q = 
EM::Queue.new()

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.push(message) ⇒ Object 



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# File 'lib/fpj/server.rb', line 130

def self.push(message)
  @@q.push(message)
end

Instance Method Details

#bind ⇒ Object 



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# File 'lib/fpj/server.rb', line 176

def bind
  logger.info "client connected to the server"
end

#config ⇒ Object 



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# File 'lib/fpj/server.rb', line 134

def config 
  @config ||= FileProcessingJob::Server.config
end

#logger ⇒ Object 



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# File 'lib/fpj/server.rb', line 138

def logger
  FileProcessingJob.logger
end

#receive_data(data) ⇒ Object

inbound client connection



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# File 'lib/fpj/server.rb', line 143

def receive_data data
  data = data.strip
  case (data)
  when "next"
    @@q.pop {|filename| send_data filename }
  when /^get (.*)$/
    filename = $1
    streamer = EventMachine::FileStreamer.new(self, File.join(self.config.inbox_directory, filename))
    streamer.callback{
      FileUtils.move(File.join(self.config.inbox_directory, filename), File.join(self.config.processing_directory, filename))
    }
    # streamer.error {
    #   logger.error "Unable to stream file #{filename} to client. The file can be found in the 'error' directory"
    #   FileUtils.move(File.join(self.config.inbox_directory, filename), File.join(self.config.error_directory, filename))
    # }
  when /^processed (.*)$/
    filename = $1
    if (File.exists?(File.join(self.config.processed_directory, filename)))
      logger.error "file #{filename} already exists in processed directory"
    else
      FileUtils.move(File.join(self.config.processing_directory, filename), File.join(self.config.processed_directory, filename))
      logger.debug "finished processing #{filename}"
    end
    send_data "ack"
  when /^error (.*)$/
    filename = $1
    FileUtils.move(File.join(self.config.processing_directory, filename), File.join(self.config.error_directory, filename))
    logger.error "Unable to stream file #{filename} to client. The file can be found in the 'error' directory"
  when "close"
    close_connection
  end
end

#unbind ⇒ Object 



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# File 'lib/fpj/server.rb', line 180

def unbind
  logger.info "client disconnected from the server"
end