From a2985b5655d336b6da3ae48dcf80b9cbb16b90fb Mon Sep 17 00:00:00 2001 From: Melanie Thielker Date: Wed, 27 Aug 2008 21:36:03 +0000 Subject: Refactor Executor into the script app domain and IScript. This changes an implicit reference into a proxied one and further reduces memory consumption of XEngine --- .../ScriptEngine/Shared/Api/Runtime/Executor.cs | 240 +++++++++++++++++++++ 1 file changed, 240 insertions(+) create mode 100644 OpenSim/Region/ScriptEngine/Shared/Api/Runtime/Executor.cs (limited to 'OpenSim/Region/ScriptEngine/Shared/Api/Runtime/Executor.cs') diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/Executor.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/Executor.cs new file mode 100644 index 0000000..0241da5 --- /dev/null +++ b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/Executor.cs @@ -0,0 +1,240 @@ +/* + * 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. + */ + +using System; +using System.Collections.Generic; +using System.Reflection; +using System.Runtime.Remoting.Lifetime; +using OpenSim.Region.ScriptEngine.Shared; +using OpenSim.Region.ScriptEngine.Shared.ScriptBase; + +namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase +{ + public class Executor : MarshalByRefObject + { + /// + /// Contains the script to execute functions in. + /// + protected IScript m_Script; + + protected Dictionary m_eventFlagsMap = new Dictionary(); + + [Flags] + public enum scriptEvents : int + { + None = 0, + attach = 1, + collision = 16, + collision_end = 32, + collision_start = 64, + control = 128, + dataserver = 256, + email = 512, + http_response = 1024, + land_collision = 2048, + land_collision_end = 4096, + land_collision_start = 8192, + at_target = 16384, + listen = 32768, + money = 65536, + moving_end = 131072, + moving_start = 262144, + not_at_rot_target = 524288, + not_at_target = 1048576, + remote_data = 8388608, + run_time_permissions = 268435456, + state_entry = 1073741824, + state_exit = 2, + timer = 4, + touch = 8, + touch_end = 536870912, + touch_start = 2097152, + object_rez = 4194304 + } + + // Cache functions by keeping a reference to them in a dictionary + private Dictionary Events = new Dictionary(); + private Dictionary m_stateEvents = new Dictionary(); + + public Executor(IScript script) + { + m_Script = script; + initEventFlags(); + } + + /// + /// Make sure our object does not timeout when in AppDomain. (Called by ILease base class) + /// + /// + public Object InitializeLifetimeService() + { + //Console.WriteLine("Executor: InitializeLifetimeService()"); + // return null; + ILease lease = (ILease)base.InitializeLifetimeService(); + + if (lease.CurrentState == LeaseState.Initial) + { + lease.InitialLeaseTime = TimeSpan.Zero; // TimeSpan.FromMinutes(1); + // lease.SponsorshipTimeout = TimeSpan.FromMinutes(2); + // lease.RenewOnCallTime = TimeSpan.FromSeconds(2); + } + return lease; + } + + + public scriptEvents GetStateEventFlags(string state) + { + //Console.WriteLine("Get event flags for " + state); + + // Check to see if we've already computed the flags for this state + scriptEvents eventFlags = scriptEvents.None; + if (m_stateEvents.ContainsKey(state)) + { + m_stateEvents.TryGetValue(state, out eventFlags); + return eventFlags; + } + + Type type=m_Script.GetType(); + + // Fill in the events for this state, cache the results in the map + foreach (KeyValuePair kvp in m_eventFlagsMap) + { + string evname = state + "_event_" + kvp.Key; + //Console.WriteLine("Trying event "+evname); + try + { + MethodInfo mi = type.GetMethod(evname); + if (mi != null) + { + //Console.WriteLine("Found handler for " + kvp.Key); + eventFlags |= kvp.Value; + } + } + catch(Exception) + { + //Console.WriteLine("Exeption in GetMethod:\n"+e.ToString()); + } + } + + // Save the flags we just computed and return the result + if (eventFlags != 0) + m_stateEvents.Add(state, eventFlags); + + //Console.WriteLine("Returning {0:x}", eventFlags); + return (eventFlags); + } + + public void ExecuteEvent(string state, string FunctionName, object[] args) + { + // IMPORTANT: Types and MemberInfo-derived objects require a LOT of memory. + // Instead use RuntimeTypeHandle, RuntimeFieldHandle and RunTimeHandle (IntPtr) instead! + + string EventName = state + "_event_" + FunctionName; + +//#if DEBUG +// Console.WriteLine("ScriptEngine: Script event function name: " + EventName); +//#endif + + if (Events.ContainsKey(EventName) == false) + { + // Not found, create + Type type = m_Script.GetType(); + try + { + MethodInfo mi = type.GetMethod(EventName); + Events.Add(EventName, mi); + } + catch + { + Console.WriteLine("Event {0}not found", EventName); + // Event name not found, cache it as not found + Events.Add(EventName, null); + } + } + + // Get event + MethodInfo ev = null; + Events.TryGetValue(EventName, out ev); + + if (ev == null) // No event by that name! + { + //Console.WriteLine("ScriptEngine Can not find any event named: \String.Empty + EventName + "\String.Empty); + return; + } + +//cfk 2-7-08 dont need this right now and the default Linux build has DEBUG defined +#if DEBUG + //Console.WriteLine("ScriptEngine: Executing function name: " + EventName); +#endif + // Found + ev.Invoke(m_Script, args); + } + + protected void initEventFlags() + { + // Initialize the table if it hasn't already been done + if (m_eventFlagsMap.Count > 0) + { + return; + } + + m_eventFlagsMap.Add("attach", scriptEvents.attach); + // m_eventFlagsMap.Add("at_rot_target",(long)scriptEvents.at_rot_target); + m_eventFlagsMap.Add("at_target", scriptEvents.at_target); + // m_eventFlagsMap.Add("changed",(long)scriptEvents.changed); + m_eventFlagsMap.Add("collision", scriptEvents.collision); + m_eventFlagsMap.Add("collision_end", scriptEvents.collision_end); + m_eventFlagsMap.Add("collision_start", scriptEvents.collision_start); + m_eventFlagsMap.Add("control", scriptEvents.control); + m_eventFlagsMap.Add("dataserver", scriptEvents.dataserver); + m_eventFlagsMap.Add("email", scriptEvents.email); + m_eventFlagsMap.Add("http_response", scriptEvents.http_response); + m_eventFlagsMap.Add("land_collision", scriptEvents.land_collision); + m_eventFlagsMap.Add("land_collision_end", scriptEvents.land_collision_end); + m_eventFlagsMap.Add("land_collision_start", scriptEvents.land_collision_start); + // m_eventFlagsMap.Add("link_message",scriptEvents.link_message); + m_eventFlagsMap.Add("listen", scriptEvents.listen); + m_eventFlagsMap.Add("money", scriptEvents.money); + m_eventFlagsMap.Add("moving_end", scriptEvents.moving_end); + m_eventFlagsMap.Add("moving_start", scriptEvents.moving_start); + m_eventFlagsMap.Add("not_at_rot_target", scriptEvents.not_at_rot_target); + m_eventFlagsMap.Add("not_at_target", scriptEvents.not_at_target); + // m_eventFlagsMap.Add("no_sensor",(long)scriptEvents.no_sensor); + // m_eventFlagsMap.Add("on_rez",(long)scriptEvents.on_rez); + m_eventFlagsMap.Add("remote_data", scriptEvents.remote_data); + m_eventFlagsMap.Add("run_time_permissions", scriptEvents.run_time_permissions); + // m_eventFlagsMap.Add("sensor",(long)scriptEvents.sensor); + m_eventFlagsMap.Add("state_entry", scriptEvents.state_entry); + m_eventFlagsMap.Add("state_exit", scriptEvents.state_exit); + m_eventFlagsMap.Add("timer", scriptEvents.timer); + m_eventFlagsMap.Add("touch", scriptEvents.touch); + m_eventFlagsMap.Add("touch_end", scriptEvents.touch_end); + m_eventFlagsMap.Add("touch_start", scriptEvents.touch_start); + m_eventFlagsMap.Add("object_rez", scriptEvents.object_rez); + } + } +} -- cgit v1.1