diff options
Diffstat (limited to 'indra/llmessage/llthrottle.h')
-rw-r--r-- | indra/llmessage/llthrottle.h | 202 |
1 files changed, 101 insertions, 101 deletions
diff --git a/indra/llmessage/llthrottle.h b/indra/llmessage/llthrottle.h index be497d9371..b8a8c9f1f7 100644 --- a/indra/llmessage/llthrottle.h +++ b/indra/llmessage/llthrottle.h @@ -1,101 +1,101 @@ -/**
- * @file llthrottle.h
- * @brief LLThrottle class used for network bandwidth control
- *
- * $LicenseInfo:firstyear=2001&license=viewerlgpl$
- * 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_LLTHROTTLE_H
-#define LL_LLTHROTTLE_H
-
-#include "lltimer.h"
-
-const S32 MAX_THROTTLE_SIZE = 32;
-
-class LLDataPacker;
-
-// Single instance of a generic throttle
-class LLThrottle
-{
-public:
- LLThrottle(const F32 throttle = 1.f);
- ~LLThrottle() { }
-
- void setRate(const F32 rate);
- bool checkOverflow(const F32 amount); // I'm about to add an amount, true if would overflow throttle
- bool throttleOverflow(const F32 amount); // I just sent amount, true if that overflowed the throttle
-
- F32 getAvailable(); // Return the available bits
- F32 getRate() const { return mRate; }
-private:
- F32 mLookaheadSecs; // Seconds to look ahead, maximum
- F32 mRate; // BPS available, dynamically adjusted
- F32 mAvailable; // Bits available to send right now on each channel
- F64Seconds mLastSendTime; // Time since last send on this channel
-};
-
-typedef enum e_throttle_categories
-{
- TC_RESEND,
- TC_LAND,
- TC_WIND,
- TC_CLOUD,
- TC_TASK,
- TC_TEXTURE,
- TC_ASSET,
- TC_EOF
-} EThrottleCats;
-
-
-class LLThrottleGroup
-{
-public:
- LLThrottleGroup();
- ~LLThrottleGroup() { }
-
- void resetDynamicAdjust();
- bool checkOverflow(S32 throttle_cat, F32 bits); // I'm about to send bits, true if would overflow channel
- bool throttleOverflow(S32 throttle_cat, F32 bits); // I just sent bits, true if that overflowed the channel
- bool dynamicAdjust(); // Shift bandwidth from idle channels to busy channels, true if adjustment occurred
- bool setNominalBPS(F32* throttle_vec); // true if any value was different, resets adjustment system if was different
-
- S32 getAvailable(S32 throttle_cat); // Return bits available in the channel
-
- void packThrottle(LLDataPacker &dp) const;
- void unpackThrottle(LLDataPacker &dp);
-public:
- F32 mThrottleTotal[TC_EOF]; // BPS available, sent by viewer, sum for all simulators
-
-protected:
- F32 mNominalBPS[TC_EOF]; // BPS available, adjusted to be just this simulator
- F32 mCurrentBPS[TC_EOF]; // BPS available, dynamically adjusted
-
- F32 mBitsAvailable[TC_EOF]; // Bits available to send right now on each channel
- F32 mBitsSentThisPeriod[TC_EOF]; // Sent in this dynamic allocation period
- F32 mBitsSentHistory[TC_EOF]; // Sent before this dynamic allocation period, adjusted to one period length
-
- F64Seconds mLastSendTime[TC_EOF]; // Time since last send on this channel
- F64Seconds mDynamicAdjustTime; // Only dynamic adjust every 2 seconds or so.
-
-};
-
-#endif
+/** + * @file llthrottle.h + * @brief LLThrottle class used for network bandwidth control + * + * $LicenseInfo:firstyear=2001&license=viewerlgpl$ + * 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_LLTHROTTLE_H +#define LL_LLTHROTTLE_H + +#include "lltimer.h" + +const S32 MAX_THROTTLE_SIZE = 32; + +class LLDataPacker; + +// Single instance of a generic throttle +class LLThrottle +{ +public: + LLThrottle(const F32 throttle = 1.f); + ~LLThrottle() { } + + void setRate(const F32 rate); + bool checkOverflow(const F32 amount); // I'm about to add an amount, true if would overflow throttle + bool throttleOverflow(const F32 amount); // I just sent amount, true if that overflowed the throttle + + F32 getAvailable(); // Return the available bits + F32 getRate() const { return mRate; } +private: + F32 mLookaheadSecs; // Seconds to look ahead, maximum + F32 mRate; // BPS available, dynamically adjusted + F32 mAvailable; // Bits available to send right now on each channel + F64Seconds mLastSendTime; // Time since last send on this channel +}; + +typedef enum e_throttle_categories +{ + TC_RESEND, + TC_LAND, + TC_WIND, + TC_CLOUD, + TC_TASK, + TC_TEXTURE, + TC_ASSET, + TC_EOF +} EThrottleCats; + + +class LLThrottleGroup +{ +public: + LLThrottleGroup(); + ~LLThrottleGroup() { } + + void resetDynamicAdjust(); + bool checkOverflow(S32 throttle_cat, F32 bits); // I'm about to send bits, true if would overflow channel + bool throttleOverflow(S32 throttle_cat, F32 bits); // I just sent bits, true if that overflowed the channel + bool dynamicAdjust(); // Shift bandwidth from idle channels to busy channels, true if adjustment occurred + bool setNominalBPS(F32* throttle_vec); // true if any value was different, resets adjustment system if was different + + S32 getAvailable(S32 throttle_cat); // Return bits available in the channel + + void packThrottle(LLDataPacker &dp) const; + void unpackThrottle(LLDataPacker &dp); +public: + F32 mThrottleTotal[TC_EOF]; // BPS available, sent by viewer, sum for all simulators + +protected: + F32 mNominalBPS[TC_EOF]; // BPS available, adjusted to be just this simulator + F32 mCurrentBPS[TC_EOF]; // BPS available, dynamically adjusted + + F32 mBitsAvailable[TC_EOF]; // Bits available to send right now on each channel + F32 mBitsSentThisPeriod[TC_EOF]; // Sent in this dynamic allocation period + F32 mBitsSentHistory[TC_EOF]; // Sent before this dynamic allocation period, adjusted to one period length + + F64Seconds mLastSendTime[TC_EOF]; // Time since last send on this channel + F64Seconds mDynamicAdjustTime; // Only dynamic adjust every 2 seconds or so. + +}; + +#endif |