Class: Nanite::FileStreaming::FileState

Inherits:
Object
  • Object
show all
Defined in:
lib/nanite/streaming.rb

Overview

FileState represents a file download in progress. It incapsulates the following information:

  • unique operation token

  • domain (namespace for file streaming operations)

  • file IO chunks are written to on receiver’s side

Instance Method Summary collapse

Constructor Details

#initialize(token, dest, domain, write, blk) ⇒ FileState

Returns a new instance of FileState.



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# File 'lib/nanite/streaming.rb', line 73

def initialize(token, dest, domain, write, blk)
  @token = token
  @cb = blk
  @domain = domain
  @write = write
  
  if write
    @filename = File.join(Nanite.agent.file_root, dest)
    @dest = File.open(@filename, 'wb')
  else
    @dest = dest
  end

  @data = ""
end

Instance Method Details

#handle_packet(packet) ⇒ Object 



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# File 'lib/nanite/streaming.rb', line 89

def handle_packet(packet)
  case packet
  when Nanite::FileChunk
    Nanite::Log.debug "written chunk to #{@dest.inspect}"
    @data << packet.chunk
  
    if @write
      @dest.write(packet.chunk)
    end
  when Nanite::FileEnd
    Nanite::Log.debug "#{@dest.inspect} receiving is completed"
    if @write
      @dest.close
    end

    @cb.call(@data, @dest, packet.meta)
  end
end