From f1603a10081a3a11aeff870cb29c7a26d821ef8c Mon Sep 17 00:00:00 2001
From: Yasuhito Takamiya <yasuhito@gmail.com>
Date: Tue, 24 Nov 2015 10:41:40 +0900
Subject: [PATCH] Add DecrementIpTtl action

---
 features/open_flow13/decrement_ip_ttl.feature | 12 ++++++++++++
 lib/pio/open_flow.rb                          |  2 +-
 lib/pio/open_flow13.rb                        |  1 +
 lib/pio/open_flow13/decrement_ip_ttl.rb       | 15 +++++++++++++++
 4 files changed, 29 insertions(+), 1 deletion(-)
 create mode 100644 features/open_flow13/decrement_ip_ttl.feature
 create mode 100644 lib/pio/open_flow13/decrement_ip_ttl.rb

diff --git a/features/open_flow13/decrement_ip_ttl.feature b/features/open_flow13/decrement_ip_ttl.feature
new file mode 100644
index 00000000..9b95c00a
--- /dev/null
+++ b/features/open_flow13/decrement_ip_ttl.feature
@@ -0,0 +1,12 @@
+@open_flow13
+Feature: Pio::DecrementIpTtl
+
+  Scenario: new
+    When I try to create an OpenFlow action with:
+      """
+      Pio::DecrementIpTtl.new
+      """
+    Then it should finish successfully
+    And the action has the following fields and values:
+      | field       | value |
+      | action_type |    24 |
diff --git a/lib/pio/open_flow.rb b/lib/pio/open_flow.rb
index 1757e4fc..87adb744 100644
--- a/lib/pio/open_flow.rb
+++ b/lib/pio/open_flow.rb
@@ -23,7 +23,7 @@ def self.switch_version(version)
        :QueueStats, :Error, :SetArpOperation, :SetArpSenderProtocolAddress,
        :SetArpSenderHardwareAddress, :NiciraRegMove, :SetMetadata,
        :NiciraRegLoad, :NiciraSendOutPort, :NiciraStackPush,
-       :NiciraStackPop].each do |each|
+       :NiciraStackPop, :DecrementIpTtl].each do |each|
         set_message_class_name each, version
         @version = version.to_s
       end
diff --git a/lib/pio/open_flow13.rb b/lib/pio/open_flow13.rb
index fd3ee5ad..acfa1b9f 100644
--- a/lib/pio/open_flow13.rb
+++ b/lib/pio/open_flow13.rb
@@ -15,6 +15,7 @@
 # Actions
 require 'pio/open_flow/nicira_resubmit'
 require 'pio/open_flow/nicira_resubmit_table'
+require 'pio/open_flow13/decrement_ip_ttl'
 require 'pio/open_flow13/nicira_reg_load'
 require 'pio/open_flow13/nicira_reg_move'
 require 'pio/open_flow13/nicira_send_out_port'
diff --git a/lib/pio/open_flow13/decrement_ip_ttl.rb b/lib/pio/open_flow13/decrement_ip_ttl.rb
new file mode 100644
index 00000000..32327f4f
--- /dev/null
+++ b/lib/pio/open_flow13/decrement_ip_ttl.rb
@@ -0,0 +1,15 @@
+require 'pio/open_flow/action'
+
+module Pio
+  module OpenFlow13
+    # Decrements IP TTL
+    class DecrementIpTtl < OpenFlow::Action
+      action_header action_type: 24, action_length: 8
+      string :padding, length: 4
+
+      def initialize
+        super({})
+      end
+    end
+  end
+end