Imported existing code

indra/newview/llviewerthrottle.h

@@ -0,0 +1,96 @@
+/** 
+ * @file llviewerthrottle.h
+ * @brief LLViewerThrottle class header file
+ *
+ * $LicenseInfo:firstyear=2002&license=viewergpl$
+ * 
+ * Copyright (c) 2002-2009, Linden Research, Inc.
+ * 
+ * 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_LLVIEWERTHROTTLE_H
+#define LL_LLVIEWERTHROTTLE_H
+
+#include <vector>
+
+#include "llstring.h"
+#include "llframetimer.h"
+#include "llthrottle.h"
+
+class LLViewerThrottleGroup
+{
+	LLViewerThrottleGroup();
+	LLViewerThrottleGroup(const F32 settings[TC_EOF]);
+
+	LLViewerThrottleGroup operator*(const F32 frac) const;
+	LLViewerThrottleGroup operator+(const LLViewerThrottleGroup &b) const;
+	LLViewerThrottleGroup operator-(const LLViewerThrottleGroup &b) const;
+
+	F32 getTotal()			{ return mThrottleTotal; }
+	void sendToSim() const;
+
+	void dump();
+
+	friend class LLViewerThrottle;
+protected:
+	F32 mThrottles[TC_EOF];
+	F32 mThrottleTotal;
+};
+
+class LLViewerThrottle
+{
+public:
+	LLViewerThrottle();
+
+	void setMaxBandwidth(F32 kbits_per_second, BOOL from_event = FALSE);
+
+	void load();
+	void save() const;
+	void sendToSim() const;
+
+	F32 getMaxBandwidth()const			{ return mMaxBandwidth; }
+	F32 getCurrentBandwidth() const		{ return mCurrentBandwidth; }
+
+	void updateDynamicThrottle();
+	void resetDynamicThrottle();
+
+	LLViewerThrottleGroup getThrottleGroup(const F32 bandwidth_kbps);
+
+	static const std::string sNames[TC_EOF];
+protected:
+	F32 mMaxBandwidth;
+	F32 mCurrentBandwidth;
+
+	LLViewerThrottleGroup mCurrent;
+
+	std::vector<LLViewerThrottleGroup> mPresets;
+	
+	LLFrameTimer mUpdateTimer;
+	F32 mThrottleFrac;
+};
+
+extern LLViewerThrottle gViewerThrottle;
+
+#endif // LL_LLVIEWERTHROTTLE_H