Allow accessing the local endpoint when using the Asio transport. fixes #458

changelog.md

@@ -4,6 +4,10 @@ HEAD
   Custom Asio transport socket policies will need to be updated accordingly.
   This does not affect anyone using the bundled socket policies.
 - Feature: Basic support for the permessage-deflate extension. #344
+- Feature: Allow accessing the local endpoint when using the Asio transport.
+  This allows inspection of the address and port in cases where they are chosen
+  by the operating system rather than the user. Thank you Andreas Weis and 
+  Muzahid Hussain for reporting and related code. #458
 - Improvement: Better automatic std::chrono feature detection for Visual Studio
 - Improvement: Major refactoring to bundled CMake build system. CMake can now be
   used to build all of the examples and the test suite. Thank you Thijs Wenker
@@ -36,8 +40,7 @@ HEAD
   long response before their HTTP handler ends would result in a second set of
   HTTP headers being injected into the output. Thank you Kevin Smith for
   reporting and providing test case details. #443
-- Compatibility: Removes non-standards compliant masking behavior. Fixes #469,
-  Fixes #395
+- Compatibility: Removes non-standards compliant masking behavior. #395, #469
 
 0.6.0
 - MINOR BREAKING TRANSPORT POLICY CHANGE: Custom transport policies will now be

websocketpp/transport/asio/endpoint.hpp

@@ -339,6 +339,28 @@ public:
     lib::asio::io_service & get_io_service() {
         return *m_io_service;
     }
+    
+    /// Get local TCP endpoint
+    /**
+     * Extracts the local endpoint from the acceptor. This represents the
+     * address that WebSocket++ is listening on.
+     *
+     * Sets a bad_descriptor error if the acceptor is not currently listening
+     * or otherwise unavailable.
+     * 
+     * @since 0.7.0
+     *
+     * @param ec Set to indicate what error occurred, if any.
+     * @return The local endpoint
+     */
+    lib::asio::ip::tcp::endpoint get_local_endpoint(lib::asio::error_code & ec) {
+        if (m_acceptor) {
+            return m_acceptor->local_endpoint(ec);
+        } else {
+            ec = lib::asio::error::make_error_code(lib::asio::error::bad_descriptor);
+            return lib::asio::ip::tcp::endpoint();
+        }
+    }
 
     /// Set up endpoint for listening manually (exception free)
     /**