Class: Vivarium::Event

Inherits:
Struct
  • Object
show all
Defined in:
lib/vivarium.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#event_name ⇒ Object

Returns the value of attribute event_name

Returns:

  • (Object) —

    the current value of event_name



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# File 'lib/vivarium.rb', line 36

def event_name
  @event_name
end

#payload ⇒ Object

Returns the value of attribute payload

Returns:

  • (Object) —

    the current value of payload



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# File 'lib/vivarium.rb', line 36

def payload
  @payload
end

#pid ⇒ Object

Returns the value of attribute pid

Returns:

  • (Object) —

    the current value of pid



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# File 'lib/vivarium.rb', line 36

def pid
  @pid
end

Class Method Details

.c_string(bytes) ⇒ Object 



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# File 'lib/vivarium.rb', line 52

def self.c_string(bytes)
  str = bytes.to_s.b
  nul = str.index("\x00")
  return str if nul.nil?

  str[0, nul]
end

.from_binary(raw) ⇒ Object 



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# File 'lib/vivarium.rb', line 41

def self.from_binary(raw)
  bytes = raw.to_s.b
  bytes = bytes.ljust(EVENT_STRUCT_SIZE, "\x00")

  pid = bytes[0, 4].unpack1("L<")
  event_name = c_string(bytes[4, EVENT_NAME_SIZE])
  payload = c_string(bytes[4 + EVENT_NAME_SIZE, EVENT_PAYLOAD_SIZE])

  new(pid: pid, event_name: event_name, payload: payload)
end

Instance Method Details

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/vivarium.rb', line 37

def empty?
  pid.to_i.zero? && event_name.to_s.empty? && payload.to_s.empty?
end