Class: Pio::OpenFlow::Action

Inherits:

Object

• Object
• Pio::OpenFlow::Action

Extended by:

ActiveSupport::DescendantsTracker

Defined in:

lib/pio/open_flow/action.rb

Overview

OpenFlow actions.

Direct Known Subclasses

Pio::OpenFlow10::Enqueue, Pio::OpenFlow10::SendOutPort, Pio::OpenFlow10::SetDestinationIpAddress, Pio::OpenFlow10::SetDestinationMacAddress, Pio::OpenFlow10::SetSourceIpAddress, Pio::OpenFlow10::SetSourceMacAddress, Pio::OpenFlow10::SetTos, Pio::OpenFlow10::SetTransportDestinationPort, Pio::OpenFlow10::SetTransportSourcePort, Pio::OpenFlow10::SetVlanPriority, Pio::OpenFlow10::SetVlanVid, Pio::OpenFlow10::StripVlanHeader, Pio::OpenFlow13::CopyTtlInwards, Pio::OpenFlow13::CopyTtlOutwards, Pio::OpenFlow13::DecrementIpTtl, Pio::OpenFlow13::SendOutPort, Pio::OpenFlow13::SetArpOperation, Pio::OpenFlow13::SetArpSenderHardwareAddress, Pio::OpenFlow13::SetArpSenderProtocolAddress, Pio::OpenFlow13::SetDestinationMacAddress, Pio::OpenFlow13::SetIpTtl, Pio::OpenFlow13::SetMetadata, Pio::OpenFlow13::SetSourceMacAddress, Pio::OpenFlow13::WriteMetadata, NiciraAction

Class Method Summary

• .action_header(options) ⇒ Object
• .method_missing(method, *args, &block) ⇒ Object
• .read(raw_data) ⇒ Object

Instance Method Summary

• #initialize(user_options) ⇒ Action constructor

  A new instance of Action.

• #to_binary ⇒ Object

Constructor Details

#initialize(user_options) ⇒ Action

Returns a new instance of Action.

# File 'lib/pio/open_flow/action.rb', line 38

def initialize(user_options)
  @format = self.class.const_get(:Format).new(user_options)
end

Class Method Details

.action_header(options) ⇒ Object

# File 'lib/pio/open_flow/action.rb', line 12

def self.action_header(options)
  module_eval do
    endian :big

    uint16 :action_type, value: options.fetch(:action_type)
    uint16 :action_length, value: options.fetch(:action_length)
  end
end

.method_missing(method, *args, &block) ⇒ Object

# File 'lib/pio/open_flow/action.rb', line 27

def self.method_missing(method, *args, &block)
  begin
    const_get(:Format).__send__ method, *args, &block
  rescue NameError
    const_set :Format, Class.new(BinData::Record)
    retry
  end
  return if method == :endian || method == :virtual
  define_method(args.first) { @format.__send__ args.first }
end

.read(raw_data) ⇒ Object

# File 'lib/pio/open_flow/action.rb', line 21

def self.read(raw_data)
  action = allocate
  action.instance_variable_set :@format, const_get(:Format).read(raw_data)
  action
end

Instance Method Details

#to_binary ⇒ Object

# File 'lib/pio/open_flow/action.rb', line 42

def to_binary
  @format.to_binary_s
end