Class: Radiator::Operation

Inherits:
Object
  • Object
show all
Includes:
OperationIds, OperationTypes, Utils
Defined in:
lib/radiator/operation.rb

Constant Summary

Constants included from OperationTypes

Radiator::OperationTypes::TYPES

Constants included from OperationIds

Radiator::OperationIds::IDS

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Utils

#debug, #error, #extract_signatures, #hexlify, #pakArr, #pakC, #pakHash, #pakI, #pakL!, #pakS, #pakStr, #pakc, #paks, #send_log, #unhexlify, #varint, #warning

Methods included from OperationTypes

#type

Methods included from OperationIds

#id

Constructor Details

#initialize(options = {}) ⇒ Operation

Returns a new instance of Operation.



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# File 'lib/radiator/operation.rb', line 7

def initialize(options = {})
  opt = options.dup
  @type = opt.delete(:type)
  
  opt.each do |k, v|
    instance_variable_set("@#{k}", type(@type, k, v))
  end
  
  unless Operation::known_operation_names.include? @type
    raise OperationError, "Unsupported operation type: #{@type}"
  end
end

Class Method Details

.broadcast_operations ⇒ Object 



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# File 'lib/radiator/operation.rb', line 70

def self.broadcast_operations
  @broadcast_operations ||= JSON[File.read broadcast_operations_json_path]
end

.broadcast_operations_json_path ⇒ Object 



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# File 'lib/radiator/operation.rb', line 66

def self.broadcast_operations_json_path
  @broadcast_operations_json_path ||= "#{File.dirname(__FILE__)}/broadcast_operations.json"
end

.known_operation_names ⇒ Object 



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# File 'lib/radiator/operation.rb', line 74

def self.known_operation_names
  broadcast_operations.map { |op| op["operation"].to_sym }
end

.param_names(type) ⇒ Object 



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# File 'lib/radiator/operation.rb', line 78

def self.param_names(type)
  broadcast_operations.each do |op|
    if op['operation'].to_sym == type.to_sym
      return op['params'].map(&:to_sym)
    end
  end
end

Instance Method Details

#payload ⇒ Object 



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# File 'lib/radiator/operation.rb', line 46

def payload
  params = {}
  
  Operation::param_names(@type.to_sym).each do |p|
    next unless defined? p
    
    v = instance_variable_get("@#{p}")
    next if v.nil?
    next if v.class == Radiator::Type::Future
    
    params[p] = case v
    when Radiator::Type::Beneficiaries then [[0, v.to_h]]
    when Radiator::Type::Amount then v.to_a
    else; v
    end
  end
  
  [@type, params]
end

#to_bytes ⇒ Object 



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# File 'lib/radiator/operation.rb', line 20

def to_bytes
  bytes = [id(@type.to_sym)].pack('C')
  
  Operation::param_names(@type.to_sym).each do |p|
    next unless defined? p
    
    v = instance_variable_get("@#{p}")
    bytes += v.to_bytes and next if v.respond_to? :to_bytes
    
    bytes += case v
    when Symbol then pakStr(v.to_s)
    when String then pakStr(v)
    when Integer then paks(v)
    when TrueClass then pakC(1)
    when FalseClass then pakC(0)
    when Array then pakArr(v)
    when Hash then pakHash(v)
    when NilClass then next
    else
      raise OperationError, "Unsupported type: #{v.class}"
    end
  end
  
  bytes
end