SSLProtocol param added. #181

src/main/java/com/corundumstudio/socketio/Configuration.java

@@ -52,6 +52,8 @@ public class Configuration {
     private String hostname;
     private int port = -1;
 
+    private String sslProtocol = "TLSv1";
+
     private String keyStoreFormat = "JKS";
     private InputStream keyStore;
     private String keyStorePassword;
@@ -121,6 +123,7 @@ public class Configuration {
 
         setAddVersionHeader(conf.isAddVersionHeader());
         setOrigin(conf.getOrigin());
+        setSSLProtocol(conf.getSSLProtocol());
     }
 
     public JsonSupport getJsonSupport() {
@@ -481,4 +484,17 @@ public class Configuration {
         this.useLinuxNativeEpoll = useLinuxNativeEpoll;
     }
 
+    /**
+     * Set the name of the requested SSL protocol
+     *
+     * @param sslProtocol
+     */
+    public void setSSLProtocol(String sslProtocol) {
+        this.sslProtocol = sslProtocol;
+    }
+    public String getSSLProtocol() {
+        return sslProtocol;
+    }
+
+
 }

src/main/java/com/corundumstudio/socketio/SocketIOChannelInitializer.java

@@ -173,7 +173,7 @@ public class SocketIOChannelInitializer extends ChannelInitializer<Channel> impl
         KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
         kmf.init(ks, configuration.getKeyStorePassword().toCharArray());
 
-        SSLContext serverContext = SSLContext.getInstance("TLSv1");
+        SSLContext serverContext = SSLContext.getInstance(configuration.getSSLProtocol());
         serverContext.init(kmf.getKeyManagers(), managers, null);
         return serverContext;
     }