Module: Regurgitator::ServerSettings

Included in:
Device
Defined in:
lib/regurgitator/server_settings.rb

Overview

:nodoc:

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.extended(obj) ⇒ Object 



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# File 'lib/regurgitator/server_settings.rb', line 13

def self.extended(obj)
  obj.server_settings_init
end

Instance Method Details

#refresh_zone(force = false) ⇒ Object

:nodoc:



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# File 'lib/regurgitator/server_settings.rb', line 17

def refresh_zone(force = false) # :nodoc:
  @zone_cache_lock.synchronize { refresh_zone_unlocked(force) }
end

#refresh_zone_unlocked(force) ⇒ Object 



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# File 'lib/regurgitator/server_settings.rb', line 21

def refresh_zone_unlocked(force)
  return @zone_cache if !force && ((Regurgitator.now-@zone_cache_mtime) < 60)
  tmp = Patricia.new
  sql = 'SELECT value FROM server_settings WHERE field = ? LIMIT 1'.freeze

  begin
    row = @db[sql, 'network_zones'.freeze].first or return tmp
    row[:value].split(/\s*,\s*/).each do |zone|
      row = @db[sql, "zone_#{zone}"].first or next
      begin
        tmp.add(row[:value], zone)
      rescue ArgumentError
      end
    end
  ensure
    @zone_cache_mtime = Regurgitator.now
    return @zone_cache = tmp
  end
end

#server_settings_init ⇒ Object 



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# File 'lib/regurgitator/server_settings.rb', line 7

def server_settings_init
  @zone_cache_mtime = 0
  @zone_cache = nil
  @zone_cache_lock = Mutex.new
end

#zone_for(addr, skip_local = false) ⇒ Object

If skip_local is true, it may return :local if addr is the address of the host this method is running on Returns the zone (a String) for a given addr, if there is one Returns nil if zone information is unknown.



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# File 'lib/regurgitator/server_settings.rb', line 45

def zone_for(addr, skip_local = false)
  return :local if skip_local && Regurgitator::Local.include?(addr)
  zone = refresh_zone.search_best(addr) and return zone.data # String
  nil
end