From c5aaa93450b75268a72a992ef39aca10dba7ee88 Mon Sep 17 00:00:00 2001
From: Steve Kemp <steve@steve.org.uk>
Date: Wed, 4 Mar 2015 10:01:41 +0000
Subject: Allow tests to be qualified IPv4/IPv6-only.

Via "ipv6_only" and "IPv4_only"
---
 lib/custodian/protocoltest/ping.rb | 30 +++++++++++++++++++++++++-----
 lib/custodian/protocoltest/tcp.rb  | 29 ++++++++++++++++++++++++-----
 2 files changed, 49 insertions(+), 10 deletions(-)

(limited to 'lib')

diff --git a/lib/custodian/protocoltest/ping.rb b/lib/custodian/protocoltest/ping.rb
index 8f3911d..37722c2 100644
--- a/lib/custodian/protocoltest/ping.rb
+++ b/lib/custodian/protocoltest/ping.rb
@@ -116,18 +116,38 @@ module Custodian
         end
 
 
+        #
+        #  Both types?
+        #
+        do_ipv6 = true
+        do_ipv4 = true
+
+        #
+        # Allow the test to disable one/both
+        #
+        if ( @line =~ /ipv4_only/ )
+          do_ipv6 = false
+        end
+        if ( @line =~ /ipv6_only/ )
+          do_ipv4 = false
+        end
+
         #
         # OK if it didn't look like an IP address then attempt to
         # look it up, as both IPv4 and IPv6.
-        # 
+        #
         begin
           timeout( period ) do
 
             Resolv::DNS.open do |dns|
-              ress = dns.getresources(@host, Resolv::DNS::Resource::IN::A)
-              ress.map { |r| ips.push( r.address.to_s ) }
-              ress = dns.getresources(@host, Resolv::DNS::Resource::IN::AAAA)
-              ress.map { |r| ips.push( r.address.to_s ) }
+              if ( do_ipv4 )
+                ress = dns.getresources(@host, Resolv::DNS::Resource::IN::A)
+                ress.map { |r| ips.push( r.address.to_s ) }
+              end
+              if ( do_ipv6 )
+                ress = dns.getresources(@host, Resolv::DNS::Resource::IN::AAAA)
+                ress.map { |r| ips.push( r.address.to_s ) }
+              end
             end
           end
         rescue Timeout::Error => e
diff --git a/lib/custodian/protocoltest/tcp.rb b/lib/custodian/protocoltest/tcp.rb
index 7bceeac..3fd4129 100644
--- a/lib/custodian/protocoltest/tcp.rb
+++ b/lib/custodian/protocoltest/tcp.rb
@@ -72,7 +72,6 @@ module Custodian
         #
         @host  = line.split( /\s+/)[0]
 
-
         #
         # Is this test inverted?
         #
@@ -176,6 +175,21 @@ module Custodian
           #
         end
 
+        #
+        #  Both types?
+        #
+        do_ipv6 = true
+        do_ipv4 = true
+
+        #
+        # Allow the test to disable one/both
+        #
+        if ( @line =~ /ipv4_only/ )
+          do_ipv6 = false
+        end
+        if ( @line =~ /ipv6_only/ )
+          do_ipv4 = false
+        end
 
 
         #
@@ -186,10 +200,15 @@ module Custodian
           timeout( period ) do
 
             Resolv::DNS.open do |dns|
-              ress = dns.getresources(host, Resolv::DNS::Resource::IN::A)
-              ress.map { |r| ips.push( r.address.to_s ) }
-              ress = dns.getresources(host, Resolv::DNS::Resource::IN::AAAA)
-              ress.map { |r| ips.push( r.address.to_s ) }
+
+              if ( do_ipv4 )
+                ress = dns.getresources(host, Resolv::DNS::Resource::IN::A)
+                ress.map { |r| ips.push( r.address.to_s ) }
+              end
+              if ( do_ipv6 )
+                ress = dns.getresources(host, Resolv::DNS::Resource::IN::AAAA)
+                ress.map { |r| ips.push( r.address.to_s ) }
+              end
             end
           end
         rescue Timeout::Error => e
-- 
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