Class: FileWatch::TailMode::Handlers::Shrink

Inherits:
Base
  • Object
show all
Defined in:
lib/filewatch/tail_mode/handlers/shrink.rb

Instance Attribute Summary

Attributes inherited from Base

#sincedb_collection

Instance Method Summary collapse

Methods inherited from Base

#handle, #initialize, #quit?

Constructor Details

This class inherits a constructor from FileWatch::TailMode::Handlers::Base

Instance Method Details

#handle_specifically(watched_file) ⇒ Object 



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# File 'lib/filewatch/tail_mode/handlers/shrink.rb', line 5

def handle_specifically(watched_file)
  add_or_update_sincedb_collection(watched_file)
  watched_file.file_seek(watched_file.bytes_read)
  loop do
    break if quit?
    loop_control = watched_file.loop_control_adjusted_for_stat_size
    controlled_read(watched_file, loop_control)
    break unless loop_control.keep_looping?
  end
end

#update_existing_specifically(watched_file, sincedb_value) ⇒ Object 



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# File 'lib/filewatch/tail_mode/handlers/shrink.rb', line 16

def update_existing_specifically(watched_file, sincedb_value)
  # we have a match but size is smaller - set all to zero
  watched_file.reset_bytes_unread
  sincedb_value.update_position(0)
  logger.trace? && logger.trace("update_existing_specifically: was truncated seeking to beginning", :watched_file => watched_file.details, :sincedb_value => sincedb_value)
end