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diff --git a/indra/newview/llnavmeshstation.h b/indra/newview/llnavmeshstation.h
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+/** 
+ * @file llnavmeshstation.h
+ * @brief Client-side navmesh support
+ *
+ * $LicenseInfo:firstyear=2001&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_NAV_MESH_STATION_H
+#define LL_NAV_MESH_STATION_H
+
+//===============================================================================
+#include "llhandle.h"
+//===============================================================================
+class LLCurlRequest;
+class LLMessageSystem;
+//===============================================================================
+class LLNavMeshObserver
+{
+public:
+	//Ctor
+	LLNavMeshObserver() { mObserverHandle.bind(this); }
+	//Dtor
+	virtual ~LLNavMeshObserver() {}
+	//Accessor for the observers handle
+	const LLHandle<LLNavMeshObserver>& getObserverHandle() const { return mObserverHandle; }
+
+protected:
+	LLRootHandle<LLNavMeshObserver> mObserverHandle;	
+};
+//===============================================================================
+//prep#TODO# determine if a name change is needed?
+class LLNavMeshDownloadObserver
+{
+public:
+	//Ctor
+	LLNavMeshDownloadObserver() { mObserverHandle.bind(this); }
+	//Dtor
+	virtual ~LLNavMeshDownloadObserver() {}
+	//Accessor for the observers handle
+	const LLHandle<LLNavMeshDownloadObserver>& getObserverHandle() const { return mObserverHandle; }
+
+protected:
+	LLRootHandle<LLNavMeshDownloadObserver> mObserverHandle;	
+};
+//===============================================================================
+class LLNavMeshStation : public LLSingleton<LLNavMeshStation>
+{
+public:
+	//Ctor
+	LLNavMeshStation();
+	//Facilitates the posting of a prepopulated llsd block to an existing url
+	bool postNavMeshToServer( LLSD& data, const LLHandle<LLNavMeshObserver>& observerHandle );
+	//Setter for the navmesh upload url
+	void setNavMeshUploadURL( std::string& url ) { mNavMeshUploadURL = url; }
+	//Setter for the navmesh download url
+	void setNavMeshDownloadURL( std::string& url ) { mNavMeshDownloadURL = url; }
+	//Callback to handle the requested src data for this regions navmesh src
+	static void processNavMeshSrc( LLMessageSystem* msg, void** );
+	//Initiate download of the navmesh source from the server
+	void downloadNavMeshSrc( const LLHandle<LLNavMeshDownloadObserver>& observerHandle );
+
+protected:	
+	//Curl object to facilitate posts to server
+	LLCurlRequest*	mCurlRequest;
+	//Maximum time in seconds to execute an uploading request.
+	S32				mMeshUploadTimeOut ; 
+	//URL used for uploading viewer generated navmesh
+	std::string		mNavMeshUploadURL;
+	//URL used for download the src data for a navmesh
+	std::string		mNavMeshDownloadURL;
+
+};
+//===============================================================================
+#endif  //LL_NAV_MESH_STATION_H
+