tcp_info: support this struct under FreeBSD

Of course these fields are not portable between Linux and FreeBSD,
but they should remain ABI-compatible for future versions of each OS.

Tested on FreeBSD 10.3-RELEASE i386

TCP state names will be another problem...

1 files changed, 27 insertions, 10 deletions

diff --git a/test/test_linux_tcp_info.rb b/test/test_tcp_info.rb
index c947211..15df087 100644
--- a/test/test_linux_tcp_info.rb
+++ b/test/test_tcp_info.rb
@@ -5,15 +5,15 @@ require 'raindrops'
 require 'socket'
 require 'pp'
 $stderr.sync = $stdout.sync = true
-class TestLinuxTCP_Info < Test::Unit::TestCase
+class TestTCP_Info < Test::Unit::TestCase
 
   TEST_ADDR = ENV['UNICORN_TEST_ADDR'] || '127.0.0.1'
 
   # Linux kernel commit 5ee3afba88f5a79d0bff07ddd87af45919259f91
   TCP_INFO_useful_listenq = `uname -r`.strip >= '2.6.24'
 
-
-  def test_tcp_server
+  def test_tcp_server_unacked
+    return if RUBY_PLATFORM !~ /linux/ # unacked not implemented on others...
     s = TCPServer.new(TEST_ADDR, 0)
     rv = Raindrops::TCP_Info.new s
     c = TCPSocket.new TEST_ADDR, s.addr[1]
@@ -29,10 +29,8 @@ class TestLinuxTCP_Info < Test::Unit::TestCase
     tmp.get!(s)
     assert_equal before, tmp.object_id
 
-    ensure
-      c.close if c
-      a.close if a
-      s.close
+  ensure
+    [ c, a, s ].compact.each(&:close)
   end
 
   def test_accessors
@@ -42,12 +40,14 @@ class TestLinuxTCP_Info < Test::Unit::TestCase
     assert tcp_info_methods.size >= 32
     tcp_info_methods.each do |m|
       next if m.to_sym == :get!
+      next if ! tmp.respond_to?(m)
       val = tmp.__send__ m
       assert_kind_of Integer, val
       assert val >= 0
     end
-    ensure
-      s.close
+    assert tmp.respond_to?(:state), 'every OS knows about TCP state, right?'
+  ensure
+    s.close
   end
 
   def test_tcp_server_delayed
@@ -65,4 +65,21 @@ class TestLinuxTCP_Info < Test::Unit::TestCase
       a.close if a
       s.close
   end
-end if RUBY_PLATFORM =~ /linux/
+
+  def test_tcp_server_state_closed
+    s = TCPServer.new(TEST_ADDR, 0)
+    c = TCPSocket.new(TEST_ADDR, s.addr[1])
+    i = Raindrops::TCP_Info.allocate
+    a = s.accept
+    i.get!(a)
+    state = i.state
+    c = c.close
+    sleep(0.01) # wait for kernel to update state
+    i.get!(a)
+    assert_not_equal state, i.state
+  ensure
+    s.close if s
+    c.close if c
+    a.close if a
+  end
+end if defined? Raindrops::TCP_Info