Add `SSLSocket#fileno` and `SSLServer#fileno`. Fixes #198.

2 files changed, 24 insertions, 0 deletions

diff --git a/lib/openssl/ssl.rb b/lib/openssl/ssl.rb
index 355eb2eb..ce826cbe 100644
--- a/lib/openssl/ssl.rb
+++ b/lib/openssl/ssl.rb
@@ -354,6 +354,11 @@ YoaOffgTf5qxiwkjnlVZQc3whgnEt9FpVMvQ9eknyeGB5KHfayAc3+hUAvI3/Cr3
       attr_reader :io
       alias :to_io :io
 
+      # The file descriptor for the socket.
+      def fileno
+        @io.fileno
+      end
+
       # The SSLContext object used in this connection.
       attr_reader :context
 
@@ -464,6 +469,11 @@ YoaOffgTf5qxiwkjnlVZQc3whgnEt9FpVMvQ9eknyeGB5KHfayAc3+hUAvI3/Cr3
         @svr
       end
 
+      # The file descriptor for the server socket.
+      def fileno
+        @svr.fileno
+      end
+
       # See TCPServer#listen for details.
       def listen(backlog=5)
         @svr.listen(backlog)
diff --git a/test/test_ssl.rb b/test/test_ssl.rb
index b8016677..02841ce0 100644
--- a/test/test_ssl.rb
+++ b/test/test_ssl.rb
@@ -1544,6 +1544,20 @@ end
     }
   end
 
+  def test_fileno
+    ctx = OpenSSL::SSL::SSLContext.new
+    sock1, sock2 = socketpair
+    
+    socket = OpenSSL::SSL::SSLSocket.new(sock1)
+    server = OpenSSL::SSL::SSLServer.new(sock2, ctx)
+    
+    assert_equal socket.fileno, socket.to_io.fileno
+    assert_equal server.fileno, server.to_io.fileno
+  ensure
+    sock1.close
+    sock2.close
+  end
+
   private
 
   def start_server_version(version, ctx_proc = nil,