Isolate WebSocket 0.2-specific code.

* Hide implementation details of the WebSocket server from clients.
* Extract a generic traits class.

src/ripple/websocket/MakeServer.h

@@ -17,34 +17,33 @@
 */
 //==============================================================================
 
-#ifndef RIPPLE_APP_WEBSOCKET_WSDOOR_H_INCLUDED
-#define RIPPLE_APP_WEBSOCKET_WSDOOR_H_INCLUDED
+#ifndef RIPPLED_RIPPLE_WEBSOCKET_MAKESERVER_H
+#define RIPPLED_RIPPLE_WEBSOCKET_MAKESERVER_H
 
 #include <ripple/app/main/CollectorManager.h>
 #include <ripple/net/InfoSub.h>
-#include <ripple/resource/Manager.h>
 #include <ripple/server/Port.h>
-#include <beast/threads/Stoppable.h>
+
+namespace beast { class Stoppable; }
 
 namespace ripple {
 
-/** Handles accepting incoming WebSocket connections. */
-class WSDoor : public beast::Stoppable
+namespace Resource { class Manager; }
+
+namespace websocket {
+
+struct ServerDescription
 {
-protected:
-    explicit WSDoor (Stoppable& parent);
-
-public:
-    virtual ~WSDoor() = default;
-
-    // VFALCO TODO Add this member function to prevent races on shutdown
-    //virtual void close() = 0;
+    HTTP::Port port;
+    Resource::Manager& resourceManager;
+    InfoSub::Source& source;
+    beast::Journal& journal;
+    CollectorManager& collectorManager;
 };
 
-std::unique_ptr<WSDoor>
-make_WSDoor (HTTP::Port const& port, Resource::Manager& resourceManager,
-    InfoSub::Source& source, CollectorManager& cm);
+std::unique_ptr<beast::Stoppable> makeServer (ServerDescription const&);
 
-}
+} // websocket
+} // ripple
 
 #endif