Method: Jabber::FileTransfer::FileSource#read

Defined in:
lib/vendor/xmpp4r/lib/xmpp4r/bytestreams/helper/filetransfer.rb

#read(length = 512) ⇒ Object

Because it can_range?, this method implements length checking



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# File 'lib/vendor/xmpp4r/lib/xmpp4r/bytestreams/helper/filetransfer.rb', line 97

def read(length=512)
  if @length
    return nil if @bytes_read >= @length  # Already read everything requested
    if @bytes_read + length > @length # Will we read more than requested?
      length = @length - @bytes_read  # Truncate it!
    end
  end

  buf = @file.read(length)
  @bytes_read += buf.size if buf
  buf
end