From dad6e15ffe0ad6d85e8f5a7f61d0ef4cb76cfbae Mon Sep 17 00:00:00 2001
From: Norman Maurer <norman_maurer@apple.com>
Date: Wed, 15 Apr 2015 23:05:10 +0200
Subject: [PATCH] Allow to get version of available OpenSSL library

Motivation:

Sometimes it's useful to get informations about the available OpenSSL library that is used for the OpenSslEngine.

Modifications:

Add two new methods which allows to get the available OpenSSL version as either
an int or an String.

Result:

Easy to access details about OpenSSL version.
---
 .../java/io/netty/handler/ssl/OpenSsl.java    | 24 ++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/handler/src/main/java/io/netty/handler/ssl/OpenSsl.java b/handler/src/main/java/io/netty/handler/ssl/OpenSsl.java
index 49e2da42ed..619768aa67 100644
--- a/handler/src/main/java/io/netty/handler/ssl/OpenSsl.java
+++ b/handler/src/main/java/io/netty/handler/ssl/OpenSsl.java
@@ -118,7 +118,29 @@ public final class OpenSsl {
      * <a href="https://tools.ietf.org/html/rfc7301">ALPN</a>.
      */
     public static boolean isAlpnSupported() {
-        return isAvailable() && SSL.version() >= 0x10002000L;
+        return version() >= 0x10002000L;
+    }
+
+    /**
+     * Returns the version of the used available OpenSSL library or {@code -1} if {@link #isAvailable()}
+     * returns {@code false}.
+     */
+    public static int version() {
+        if (isAvailable()) {
+            return SSL.version();
+        }
+        return -1;
+    }
+
+    /**
+     * Returns the version string of the used available OpenSSL library or {@code null} if {@link #isAvailable()}
+     * returns {@code false}.
+     */
+    public static String versionString() {
+        if (isAvailable()) {
+            return SSL.versionString();
+        }
+        return null;
     }
 
     /**