From dd9899c34bb1f86caf486735b136a5460b4760db Mon Sep 17 00:00:00 2001
From: Peter Thorson <github@zaphoyd.com>
Date: Mon, 24 Sep 2012 07:47:14 -0500
Subject: [PATCH] Adds virtual destructors to handler interfaces fixes #136

---
 src/roles/client.hpp  | 2 ++
 src/roles/server.hpp  | 2 ++
 src/sockets/plain.hpp | 2 ++
 src/sockets/tls.hpp   | 2 ++
 4 files changed, 8 insertions(+)

diff --git a/src/roles/client.hpp b/src/roles/client.hpp
index b0202239ef..494765c8d9 100644
--- a/src/roles/client.hpp
+++ b/src/roles/client.hpp
@@ -187,6 +187,8 @@ public:
     // handler interface callback class
     class handler_interface {
     public:
+    	virtual ~handler_interface() {}
+    	
         // Required
         virtual void on_open(connection_ptr con) {}
         virtual void on_close(connection_ptr con) {}
diff --git a/src/roles/server.hpp b/src/roles/server.hpp
index aefb36e75f..48c445378c 100644
--- a/src/roles/server.hpp
+++ b/src/roles/server.hpp
@@ -174,6 +174,8 @@ public:
     // handler interface callback base class
     class handler_interface {
     public:
+        virtual ~handler_interface() {}
+        
         virtual void on_handshake_init(connection_ptr con) {}
         
         virtual void validate(connection_ptr con) {}
diff --git a/src/sockets/plain.hpp b/src/sockets/plain.hpp
index 376fcb3bee..201d86c249 100644
--- a/src/sockets/plain.hpp
+++ b/src/sockets/plain.hpp
@@ -52,6 +52,8 @@ public:
     // hooks that this policy adds to handlers of connections that use it
     class handler_interface {
     public:
+    	virtual ~handler_interface() {}
+    	
         virtual void on_tcp_init() {};
     };
     
diff --git a/src/sockets/tls.hpp b/src/sockets/tls.hpp
index da28415c68..1cdbf40c2f 100644
--- a/src/sockets/tls.hpp
+++ b/src/sockets/tls.hpp
@@ -69,6 +69,8 @@ public:
     // to set up their asio TLS context.
     class handler_interface {
     public:
+    	virtual ~handler_interface() {}
+    	
         virtual void on_tcp_init() {};
         virtual boost::shared_ptr<boost::asio::ssl::context> on_tls_init() = 0;
     };