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- /**
- * @file lleventpoll.h
- * @brief LLEvDescription of the LLEventPoll class.
- *
- * $LicenseInfo:firstyear=2006&license=viewergpl$
- *
- * Copyright (c) 2006-2018, Linden Research, Inc.
- * Copyright (c) 2019-2023, Henri Beauchamp.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #ifndef LL_LLEVENTPOLL_H
- #define LL_LLEVENTPOLL_H
- #include <string>
- #include "llpointer.h"
- class LLEventPollImpl;
- class LLHost;
- struct LLEventPollReplies;
- // Implements the viewer side of server-to-viewer pushed events.
- class LLEventPoll
- {
- public:
- // Starts polling the URL.
- LLEventPoll(U64 handle, const LLHost& sender, const std::string& poll_url);
- // Stops polling, cancelling any poll in progress.
- ~LLEventPoll();
- void setRegionName(const std::string& region_name);
- // Returns true when a poll request is waiting for server events and its
- // age is within the "safe" window (i.e. when it is believed to be old
- // enough for the server to have received it and not too close from the
- // timeout). HB
- bool isPollInFlight() const;
- // Returns the age of the active poll request. HB
- F32 getPollAge() const;
- // Margin in seconds. HB
- static F32 getMargin();
- // Must be called at least once per frame, when it is safe to process
- // messages (outside the rendering routines, in particular). HB
- static void dispatchMessages();
- private:
- LLPointer<LLEventPollImpl> mImpl;
- };
- #endif // LL_LLEVENTPOLL_H
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