* Commit 2/3 - Please dont attempt to update to this revision until all 3 are in.

OpenSim/Region/ClientStack/LindenUDP/LLPacketThrottle.cs

@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSim Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+namespace OpenSim.Region.ClientStack.LindenUDP
+{
+    public class LLPacketThrottle
+    {
+        private int max; // max allowable throttle
+        private int min; // min allowable throttle
+        private int throttle; // current throttle setting
+        private static int divisor = 7; // the throttle time divisor, this probably should factor out
+        private int sent; // current number of bytes sent
+
+        public LLPacketThrottle(int Min, int Max, int Throttle)
+        {
+            max = Max;
+            min = Min;
+            throttle = Throttle;
+            sent = 0;
+        }
+
+        public void Reset()
+        {
+            sent = 0;
+        }
+
+        public bool UnderLimit()
+        {
+            return (sent < (throttle/divisor));
+        }
+
+        public int Add(int bytes)
+        {
+            sent += bytes;
+            return sent;
+        }
+
+        // Properties
+        public int Max
+        {
+            get { return max; }
+        }
+
+        public int Min
+        {
+            get { return min; }
+        }
+
+        public int Throttle
+        {
+            get { return throttle; }
+            set
+            {
+                if (value > max)
+                {
+                    throttle = max;
+                }
+                else if (value < min)
+                {
+                    throttle = min;
+                }
+                else
+                {
+                    throttle = value;
+                }
+            }
+        }
+    }
+}