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1/*
2* Copyright (c) Contributors, http://opensimulator.org/
3* See CONTRIBUTORS.TXT for a full list of copyright holders.
4*
5* Redistribution and use in source and binary forms, with or without
6* modification, are permitted provided that the following conditions are met:
7* * Redistributions of source code must retain the above copyright
8* notice, this list of conditions and the following disclaimer.
9* * Redistributions in binary form must reproduce the above copyright
10* notice, this list of conditions and the following disclaimer in the
11* documentation and/or other materials provided with the distribution.
12* * Neither the name of the OpenSim Project nor the
13* names of its contributors may be used to endorse or promote products
14* derived from this software without specific prior written permission.
15*
16* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS AS IS AND ANY
17* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26*
27*/
28using System;
29using System.Collections.Generic;
30using System.Runtime.Remoting.Lifetime;
31using System.Text;
32
33namespace OpenSim.Region.ScriptEngine.Common
34{
35 public abstract class ExecutorBase : MarshalByRefObject
36 {
37 /// <summary>
38 /// Contains the script to execute functions in.
39 /// </summary>
40 protected IScript m_Script;
41 /// <summary>
42 /// If set to False events will not be executed.
43 /// </summary>
44 protected bool m_Running = true;
45
46 /// <summary>
47 /// Create a new instance of ExecutorBase
48 /// </summary>
49 /// <param name="Script"></param>
50 public ExecutorBase(IScript Script)
51 {
52 m_Script = Script;
53 }
54
55 /// <summary>
56 /// Make sure our object does not timeout when in AppDomain. (Called by ILease base class)
57 /// </summary>
58 /// <returns></returns>
59 public override Object InitializeLifetimeService()
60 {
61 //Console.WriteLine("Executor: InitializeLifetimeService()");
62 // return null;
63 ILease lease = (ILease)base.InitializeLifetimeService();
64
65 if (lease.CurrentState == LeaseState.Initial)
66 {
67 lease.InitialLeaseTime = TimeSpan.Zero; // TimeSpan.FromMinutes(1);
68 // lease.SponsorshipTimeout = TimeSpan.FromMinutes(2);
69 // lease.RenewOnCallTime = TimeSpan.FromSeconds(2);
70 }
71 return lease;
72 }
73
74 /// <summary>
75 /// Get current AppDomain
76 /// </summary>
77 /// <returns>Current AppDomain</returns>
78 public AppDomain GetAppDomain()
79 {
80 return AppDomain.CurrentDomain;
81 }
82
83 /// <summary>
84 /// Execute a specific function/event in script.
85 /// </summary>
86 /// <param name="FunctionName">Name of function to execute</param>
87 /// <param name="args">Arguments to pass to function</param>
88 public void ExecuteEvent(string FunctionName, object[] args)
89 {
90 if (m_Running == false)
91 {
92 // Script is inactive, do not execute!
93 return;
94 }
95 }
96 protected abstract void DoExecuteEvent(string FunctionName, object[] args);
97
98 /// <summary>
99 /// Stop script from running. Event execution will be ignored.
100 /// </summary>
101 public void StopScript()
102 {
103 m_Running = false;
104 }
105
106 }
107}