From e588d1f28419745ee1e1ee98dc1852e0364a4088 Mon Sep 17 00:00:00 2001
From: Christian Goetze <cg@lindenlab.com>
Date: Wed, 1 Jul 2009 00:22:05 +0000
Subject: svn merge -r125825:125901
 svn+ssh://svn.lindenlab.com/svn/user/cg/qar-1654 QAR-1654 merge completed.

---
 indra/llmessage/llthrottle.cpp | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'indra/llmessage/llthrottle.cpp')

diff --git a/indra/llmessage/llthrottle.cpp b/indra/llmessage/llthrottle.cpp
index 70279a3c62..0872efba50 100644
--- a/indra/llmessage/llthrottle.cpp
+++ b/indra/llmessage/llthrottle.cpp
@@ -265,6 +265,31 @@ BOOL LLThrottleGroup::setNominalBPS(F32* throttle_vec)
 	return changed;
 }
 
+// Return bits available in the channel
+S32		LLThrottleGroup::getAvailable(S32 throttle_cat)
+{
+	S32 retval = 0;
+
+	F32 category_bps = mCurrentBPS[throttle_cat];
+	F32 lookahead_bits = category_bps * THROTTLE_LOOKAHEAD_TIME;
+
+	// use a temporary bits_available
+	// since we don't want to change mBitsAvailable every time
+	F32 elapsed_time = (F32)(LLMessageSystem::getMessageTimeSeconds() - mLastSendTime[throttle_cat]);
+	F32 bits_available = mBitsAvailable[throttle_cat] + (category_bps * elapsed_time);
+
+	if (bits_available >= lookahead_bits)
+	{
+		retval = (S32) gThrottleMaximumBPS[throttle_cat];
+	}
+	else 
+	{
+		retval = (S32) bits_available;
+	}
+	
+	return retval;
+}
+
 
 BOOL LLThrottleGroup::checkOverflow(S32 throttle_cat, F32 bits)
 {
-- 
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