From 465d1095dd0dd5c4c5231a81bb69e46a21f290fb Mon Sep 17 00:00:00 2001
From: dahlia <dahliaTrimble at gmail dot com>
Date: Tue, 18 Aug 2009 17:06:14 -0700
Subject: [PATCH] Added new OpenSim.ini setting: "client_throttle_max_bps"
 which overrides user's viewer network throttle settings

---
 .../ClientStack/LindenUDP/LLPacketQueue.cs    | 36 +++++++++++--------
 .../ClientStack/LindenUDP/LLUDPServer.cs      | 11 ++++--
 bin/OpenSim.ini.example                       |  3 ++
 3 files changed, 34 insertions(+), 16 deletions(-)

diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLPacketQueue.cs b/OpenSim/Region/ClientStack/LindenUDP/LLPacketQueue.cs
index bf0b06d87d..798c1e7041 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/LLPacketQueue.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLPacketQueue.cs
@@ -128,28 +128,36 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             // Store the throttle multiplier for posterity.
             throttleMultiplier = userSettings.ClientThrottleMultipler;
 
+
+            int throttleMaxBPS = 1500000;
+            if (userSettings.TotalThrottleSettings != null)
+                throttleMaxBPS = userSettings.TotalThrottleSettings.Max;
+
             // Set up the throttle classes (min, max, current) in bits per second
-            ResendThrottle =    new LLPacketThrottle(5000, 100000, 16000, userSettings.ClientThrottleMultipler);
-            LandThrottle =      new LLPacketThrottle(1000, 100000, 2000, userSettings.ClientThrottleMultipler);
-            WindThrottle =      new LLPacketThrottle(0, 100000, 0, userSettings.ClientThrottleMultipler);
-            CloudThrottle =     new LLPacketThrottle(0, 100000, 0, userSettings.ClientThrottleMultipler);
-            TaskThrottle =      new LLPacketThrottle(1000, 800000, 3000, userSettings.ClientThrottleMultipler);
-            AssetThrottle =     new LLPacketThrottle(1000, 800000, 1000, userSettings.ClientThrottleMultipler);
-            TextureThrottle =   new LLPacketThrottle(1000, 800000, 4000, userSettings.ClientThrottleMultipler);
-            
-            // Total Throttle trumps all - it is the number of bits in total that are allowed to go out per second.            
+            ResendThrottle = new LLPacketThrottle(5000, throttleMaxBPS / 15, 16000, userSettings.ClientThrottleMultipler);
+            LandThrottle = new LLPacketThrottle(1000, throttleMaxBPS / 15, 2000, userSettings.ClientThrottleMultipler);
+            WindThrottle = new LLPacketThrottle(0, throttleMaxBPS / 15, 0, userSettings.ClientThrottleMultipler);
+            CloudThrottle = new LLPacketThrottle(0, throttleMaxBPS / 15, 0, userSettings.ClientThrottleMultipler);
+            TaskThrottle = new LLPacketThrottle(1000, throttleMaxBPS / 2, 3000, userSettings.ClientThrottleMultipler);
+            AssetThrottle = new LLPacketThrottle(1000, throttleMaxBPS / 2, 1000, userSettings.ClientThrottleMultipler);
+            TextureThrottle = new LLPacketThrottle(1000, throttleMaxBPS / 2, 4000, userSettings.ClientThrottleMultipler);
+
+
+            // Total Throttle trumps all - it is the number of bits in total that are allowed to go out per second.           
+
+
             ThrottleSettings totalThrottleSettings = userSettings.TotalThrottleSettings;
             if (null == totalThrottleSettings)
-            {                
-                totalThrottleSettings = new ThrottleSettings(0, 1500000, 28000);
+            {
+                totalThrottleSettings = new ThrottleSettings(0, throttleMaxBPS, 28000);
             }
-            
-            TotalThrottle 
+
+            TotalThrottle
                 = new LLPacketThrottle(
                     totalThrottleSettings.Min, totalThrottleSettings.Max, totalThrottleSettings.Current,
                     userSettings.ClientThrottleMultipler);
 
-            throttleTimer = new Timer((int) (throttletimems/throttleTimeDivisor));
+            throttleTimer = new Timer((int)(throttletimems / throttleTimeDivisor));
             throttleTimer.Elapsed += ThrottleTimerElapsed;
             throttleTimer.Start();
 
diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLUDPServer.cs b/OpenSim/Region/ClientStack/LindenUDP/LLUDPServer.cs
index 5184e35186..9ee8df5bb9 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/LLUDPServer.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLUDPServer.cs
@@ -152,11 +152,18 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             ClientStackUserSettings userSettings = new ClientStackUserSettings();
             
             IConfig config = configSource.Configs["ClientStack.LindenUDP"];
-            
+
             if (config != null)
             {
+                if (config.Contains("client_throttle_max_bps"))
+                {
+                    int maxBPS = config.GetInt("client_throttle_max_bps", 1500000);
+                    userSettings.TotalThrottleSettings = new ThrottleSettings(0, maxBPS,
+                    maxBPS > 28000 ? maxBPS : 28000);
+                }
+
                 if (config.Contains("client_throttle_multiplier"))
-                    userSettings.ClientThrottleMultipler = config.GetFloat("client_throttle_multiplier"); 
+                    userSettings.ClientThrottleMultipler = config.GetFloat("client_throttle_multiplier");
                 if (config.Contains("client_socket_rcvbuf_size"))
                     m_clientSocketReceiveBuffer = config.GetInt("client_socket_rcvbuf_size");
             }   
diff --git a/bin/OpenSim.ini.example b/bin/OpenSim.ini.example
index 9a17c58c3e..cff5d19097 100644
--- a/bin/OpenSim.ini.example
+++ b/bin/OpenSim.ini.example
@@ -374,6 +374,9 @@
     ;
     ; client_socket_rcvbuf_size = 8388608
 
+    ; Maximum bits per second to send to any single client. This will override the user's viewer preference settings.
+
+    ; client_throttle_max_bps = 1500000
 
 [Chat]
     ; Controls whether the chat module is enabled.  Default is true.