From 1d33a40f59fc15bd85004cc68e802a0b274dad30 Mon Sep 17 00:00:00 2001
From: Justin Clark-Casey (justincc)
Date: Mon, 6 Oct 2014 23:29:41 +0100
Subject: Add "debug lludp set scene-throttle-max <value>" console command to
 allow us to potentially set the scene max throttle on the fly.

---
 .../Region/ClientStack/Linden/UDP/LLUDPServer.cs   | 10 +++---
 .../ClientStack/Linden/UDP/LLUDPServerCommands.cs  | 36 ++++++++++++++++++++++
 2 files changed, 40 insertions(+), 6 deletions(-)

diff --git a/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs b/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs
index 9dfe0e9..8ca0b1f 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs
@@ -243,15 +243,13 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         /// <summary>Incoming packets that are awaiting handling</summary>
         private OpenMetaverse.BlockingQueue<IncomingPacket> packetInbox = new OpenMetaverse.BlockingQueue<IncomingPacket>();
 
-        /// <summary></summary>
-        //private UDPClientCollection m_clients = new UDPClientCollection();
         /// <summary>Bandwidth throttle for this UDP server</summary>
-        protected TokenBucket m_throttle;
+        public TokenBucket Throttle { get; private set; }
 
         /// <summary>
         /// Gets the maximum total drip rate allowed to all clients.
         /// </summary>
-        public long MaxTotalDripRate { get { return m_throttle.RequestedDripRate; } }
+        public long MaxTotalDripRate { get { return Throttle.RequestedDripRate; } }
         
         /// <summary>Bandwidth throttle rates for this UDP server</summary>
         public ThrottleRates ThrottleRates { get; private set; }
@@ -449,7 +447,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 //                = new TokenBucket(
 //                    string.Format("server throttle bucket for {0}", Scene.Name), null, sceneThrottleBps);
 
-            m_throttle = new TokenBucket("server throttle bucket", null, sceneThrottleBps);
+            Throttle = new TokenBucket("server throttle bucket", null, sceneThrottleBps);
 
             ThrottleRates = new ThrottleRates(configSource);
 
@@ -1761,7 +1759,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             {
                 if (!Scene.TryGetClient(agentID, out client))
                 {
-                    LLUDPClient udpClient = new LLUDPClient(this, ThrottleRates, m_throttle, circuitCode, agentID, remoteEndPoint, m_defaultRTO, m_maxRTO);
+                    LLUDPClient udpClient = new LLUDPClient(this, ThrottleRates, Throttle, circuitCode, agentID, remoteEndPoint, m_defaultRTO, m_maxRTO);
     
                     client = new LLClientView(Scene, this, udpClient, sessionInfo, agentID, sessionID, circuitCode);
                     client.OnLogout += LogoutHandler;
diff --git a/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServerCommands.cs b/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServerCommands.cs
index 438331a..f0f186a 100644
--- a/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServerCommands.cs
+++ b/OpenSim/Region/ClientStack/Linden/UDP/LLUDPServerCommands.cs
@@ -156,6 +156,15 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             m_console.Commands.AddCommand(
                 "Debug",
                 false,
+                "debug lludp set",
+                "debug lludp set <param> <value>",
+                "Set a parameter for the server.",
+                "Only current setting is 'scene-throttle-max' which sets the current max cumulative kbit/s provided for this scene to clients",
+                HandleSetCommand);
+
+            m_console.Commands.AddCommand(
+                "Debug",
+                false,
                 "debug lludp toggle agentupdate",
                 "debug lludp toggle agentupdate",
                 "Toggle whether agentupdate packets are processed or simply discarded.",
@@ -363,6 +372,33 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             });
         }
 
+        private void HandleSetCommand(string module, string[] args)
+        {
+            if (SceneManager.Instance.CurrentScene != null && SceneManager.Instance.CurrentScene != m_udpServer.Scene)
+                return;
+
+            if (args.Length != 5)
+            {
+                MainConsole.Instance.OutputFormat("Usage: debug lludp set <param> <value>");
+                return;
+            }           
+
+            string param = args[3];
+            string rawValue = args[4];
+
+            int newValue;
+
+            if (param == "scene-throttle-max")
+            {
+                if (!ConsoleUtil.TryParseConsoleInt(MainConsole.Instance, rawValue, out newValue))
+                    return;
+
+                m_udpServer.Throttle.RequestedDripRate = newValue * 8 * 1000;
+            }
+
+            m_console.OutputFormat("{0} set to {1} in {2}", param, rawValue, m_udpServer.Scene.Name);
+        }
+
         private void HandlePacketCommand(string module, string[] args)
         {
             if (SceneManager.Instance.CurrentScene != null && SceneManager.Instance.CurrentScene != m_udpServer.Scene)
-- 
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