1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
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 OpenSimulator 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;
using log4net;
namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
{
public class Executor
{
// private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
/// <summary>
/// Contains the script to execute functions in.
/// </summary>
protected IScript m_Script;
protected Dictionary<string, scriptEvents> m_eventFlagsMap = new Dictionary<string, scriptEvents>();
[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<string, MethodInfo> Events = new Dictionary<string, MethodInfo>();
private Dictionary<string, scriptEvents> m_stateEvents = new Dictionary<string, scriptEvents>();
public Executor(IScript script)
{
m_Script = script;
initEventFlags();
}
public scriptEvents GetStateEventFlags(string state)
{
//m_log.Debug("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<string, scriptEvents> kvp in m_eventFlagsMap)
{
string evname = state + "_event_" + kvp.Key;
//m_log.Debug("Trying event "+evname);
try
{
MethodInfo mi = type.GetMethod(evname);
if (mi != null)
{
//m_log.Debug("Found handler for " + kvp.Key);
eventFlags |= kvp.Value;
}
}
catch(Exception)
{
//m_log.Debug("Exeption in GetMethod:\n"+e.ToString());
}
}
// Save the flags we just computed and return the result
if (eventFlags != 0)
m_stateEvents.Add(state, eventFlags);
//m_log.Debug("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
//m_log.Debug("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
{
// m_log.Error("Event "+EventName+" not found.");
// 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!
{
//m_log.Debug("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
//m_log.Debug("ScriptEngine: Executing function name: " + EventName);
#endif
// Found
try
{
ev.Invoke(m_Script, args);
}
catch (TargetInvocationException tie)
{
// Grab the inner exception and rethrow it, unless the inner
// exception is an EventAbortException as this indicates event
// invocation termination due to a state change.
// DO NOT THROW JUST THE INNER EXCEPTION!
// FriendlyErrors depends on getting the whole exception!
//
if (!(tie.InnerException is EventAbortException))
{
throw;
}
}
}
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);
}
}
}
|
