Class: SAAL::Sensors

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/sensors.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(conffile = SAAL::SENSORSCONF, dbconffile = SAAL::DBCONF) ⇒ Sensors 



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# File 'lib/sensors.rb', line 8

def initialize(conffile=SAAL::SENSORSCONF, dbconffile=SAAL::DBCONF)
  @defs = YAML::load(File.new(conffile))
  @dbstore = DBStore.new(dbconffile)
  @sensors =  {}
  @defs.each do |name, defs|
    self.class.sensors_from_defs(@dbstore, name, defs).each{|s| @sensors[s.name] = s}
  end   
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args) ⇒ Object

Implements the get methods to fetch a specific sensor



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# File 'lib/sensors.rb', line 18

def method_missing(name, *args)
  name = name.to_s
  if args.size == 0 && @sensors.include?(name)
    @sensors[name]
  else
    raise NoMethodError, "undefined method \"#{name}\" for #{self}"
  end
end

Class Method Details

.sensors_from_defs(dbstore, name, defs, opts = {}) ⇒ Object 



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# File 'lib/sensors.rb', line 31

def self.sensors_from_defs(dbstore, name, defs, opts={})
  if defs['onewire']
    return [Sensor.new(dbstore, name, OWSensor.new(defs['onewire'], opts), 
                       defs, opts)]
  elsif defs['dinrelay']
    og = DINRelay::OutletGroup.new(defs['dinrelay'])
    outlet_names = defs['dinrelay']['outlets'] || []
    outlet_descriptions = defs['dinrelay']['descriptions'] || []
    return outlet_names.map do |num, oname|
      defs.merge!('name' => outlet_descriptions[num])
      Sensor.new(dbstore, oname, DINRelay::Outlet.new(num.to_i, og), defs, opts)
    end
  elsif defs['envoy_power_energy']
    defs = defs['envoy_power_energy'].merge('prefix' => name)
    pe = SAAL::Envoy::PowerEnergy::new(defs)
    sensors = pe.create_sensors
    return sensors.map do |name, underlying|
      Sensor.new(dbstore, name, underlying, defs, opts)
    end
  elsif defs['envoy_ac_quality']
    defs = defs['envoy_ac_quality'].merge('prefix' => name)
    pe = SAAL::Envoy::ACQuality::new(defs)
    sensors = pe.create_sensors
    return sensors.map do |name, underlying|
      Sensor.new(dbstore, name, underlying, defs, opts)
    end
  elsif defs['envoy_inverters']
    defs = defs['envoy_inverters'].merge('prefix' => name)
    pe = SAAL::Envoy::Inverters::new(defs)
    sensors = pe.create_sensors
    return sensors.map do |name, underlying|
      Sensor.new(dbstore, name, underlying, defs, opts)
    end
  elsif defs['denkovi']
    defs = defs['denkovi'].merge('prefix' => name)
    denkovi = SAAL::Denkovi::OutletGroup::new(defs)
    sensors = denkovi.create_sensors
    return sensors.map do |name, vals|
      underlying, description = vals
      defs.merge!('name' => description)
      Sensor.new(dbstore, name, underlying, defs, opts)
    end
  else
    $stderror.puts "WARNING: Couldn't figure out a valid sensor type for #{name}"
  end
end

Instance Method Details

#each ⇒ Object 



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# File 'lib/sensors.rb', line 27

def each
  @sensors.each{|name, sensor| yield sensor}
end