3 files changed, 30 insertions, 0 deletions

diff --git a/OpenSim/Region/ClientStack/Linden/UDP/LLUDPClient.cs b/OpenSim/Region/ClientStack/Linden/UDP/LLUDPClient.cs
index 202cc62..51433cb 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/LLUDPClient.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/LLUDPClient.cs
@@ -162,6 +162,12 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         private int m_defaultRTO = 1000; // 1sec is the recommendation in the RFC
         private int m_maxRTO = 60000;
 
+        /// <summary>
+        /// This is the percentage of the udp texture queue to add to the task queue since
+        /// textures are now generally handled through http.
+        /// </summary>
+        private double m_cannibalrate = 0.0;
+        
         private ClientInfo m_info = new ClientInfo();
 
         /// <summary>
@@ -201,6 +207,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             // Create an array of token buckets for this clients different throttle categories
             m_throttleCategories = new TokenBucket[THROTTLE_CATEGORY_COUNT];
 
+            m_cannibalrate = rates.CannibalizeTextureRate;
+            
             for (int i = 0; i < THROTTLE_CATEGORY_COUNT; i++)
             {
                 ThrottleOutPacketType type = (ThrottleOutPacketType)i;
@@ -349,6 +357,12 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             texture = Math.Max(texture, LLUDPServer.MTU);
             asset = Math.Max(asset, LLUDPServer.MTU);
 
+            // Since most textures are now delivered through http, make it possible
+            // to cannibalize some of the bw from the texture throttle to use for
+            // the task queue (e.g. object updates)
+            task = task + (int)(m_cannibalrate * texture);
+            texture = (int)((1 - m_cannibalrate) * texture);
+            
             //int total = resend + land + wind + cloud + task + texture + asset;
             //m_log.DebugFormat("[LLUDPCLIENT]: {0} is setting throttles. Resend={1}, Land={2}, Wind={3}, Cloud={4}, Task={5}, Texture={6}, Asset={7}, Total={8}",
             //                  AgentID, resend, land, wind, cloud, task, texture, asset, total);
diff --git a/OpenSim/Region/ClientStack/Linden/UDP/ThrottleRates.cs b/OpenSim/Region/ClientStack/Linden/UDP/ThrottleRates.cs
index c9aac0b..e5bae6e 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/ThrottleRates.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/ThrottleRates.cs
@@ -59,6 +59,9 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         /// <summary>Flag used to enable adaptive throttles</summary>
         public bool AdaptiveThrottlesEnabled;
         
+        /// <summary>Amount of the texture throttle to steal for the task throttle</summary>
+        public double CannibalizeTextureRate;
+
         /// <summary>
         /// Default constructor
         /// </summary>
@@ -80,6 +83,9 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 Total = throttleConfig.GetInt("client_throttle_max_bps", 0);
 
                 AdaptiveThrottlesEnabled = throttleConfig.GetBoolean("enable_adaptive_throttles", false);
+                
+                CannibalizeTextureRate = (double)throttleConfig.GetFloat("CannibalizeTextureRate", 0.0f);
+                CannibalizeTextureRate = Util.Clamp<double>(CannibalizeTextureRate,0.0, 0.9);
             }
             catch (Exception) { }
         }
diff --git a/bin/OpenSimDefaults.ini b/bin/OpenSimDefaults.ini
index ae7b794..0da99ba 100644
--- a/bin/OpenSimDefaults.ini
+++ b/bin/OpenSimDefaults.ini
@@ -539,6 +539,16 @@
     ;
     ;TextureSendLimit = 20
 
+    ; CannibalizeTextureRate allows bandwidth to be moved from the
+    ; UDP texture throttle to the task throttle. Since most viewers
+    ; use HTTP textures, this provides a means of using what is largely
+    ; unused bandwidth in the total throttle. The value is the proportion
+    ; of the texture rate to move to the task queue. It must be between
+    ; 0.0 (none of the bandwidth is cannibalized) and 0.9 (90% of the
+    ; bandwidth is grabbed)
+    ;
+    ; CannibalizeTextureRate = 0.5
+
     ; Quash and remove any light properties from attachments not on the
     ; hands. This allows flashlights and lanterns to function, but kills
     ; silly vanity "Facelights" dead. Sorry, head mounted miner's lamps