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
|
/*
* 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.Diagnostics;
using System.Net;
using System.Text;
using System.Web;
using libsecondlife;
using OpenSim.Region.ScriptEngine.Common.TRPC;
namespace OpenSim.Region.ScriptEngine.Common
{
public class TRPC_Remote
{
public readonly int MaxQueueSize = 1024 * 10;
public readonly TCPCommon.ServerAndClientInterface TCPS;
public delegate void ReceiveCommandDelegate(int ID, string Command, params object[] p);
public event ReceiveCommandDelegate ReceiveCommand;
Dictionary<string, Type> TypeDictionary = new Dictionary<string, Type>();
Type[] Types =
{
typeof(String),
typeof(Int16),
typeof(Int32),
typeof(Int64),
typeof(Double),
typeof(Decimal),
typeof(Array),
typeof(LLUUID),
typeof(UInt16),
typeof(UInt32),
typeof(UInt64)
};
// TODO: Maybe we should move queue into TCPSocket so we won't have to keep one queue instance per connection
private Dictionary<int, InQueueStruct> InQueue = new Dictionary<int, InQueueStruct>();
private class InQueueStruct
{
public byte[] Queue;
public int QueueSize;
public object QueueLockObject = new object();
}
public TRPC_Remote(TCPCommon.ServerAndClientInterface TCPClientOrServer)
{
TCPS = TCPClientOrServer;
TCPS.Close += new TCPCommon.CloseDelegate(TCPS_Close);
TCPS.ClientConnected += new TCPCommon.ClientConnectedDelegate(TCPS_ClientConnected);
TCPS.DataReceived += new TCPCommon.DataReceivedDelegate(TCPS_DataReceived);
//TCPS.StartListen();
// Make a lookup dictionary for types
foreach (Type t in Types)
{
TypeDictionary.Add(t.ToString(), t);
}
}
void TCPS_ClientConnected(int ID, EndPoint Remote)
{
// Create a incoming queue for this connection
InQueueStruct iq = new InQueueStruct();
iq.Queue = new byte[MaxQueueSize];
iq.QueueSize = 0;
InQueue.Add(ID, iq);
}
void TCPS_Close(int ID)
{
// Remove queue
InQueue.Remove(ID);
}
void TCPS_DataReceived(int ID, byte[] data, int offset, int length)
{
// Copy new data to incoming queue
lock (InQueue[ID].QueueLockObject)
{
Array.Copy(data, offset, InQueue[ID].Queue, InQueue[ID].QueueSize, length);
InQueue[ID].QueueSize += length;
// Process incoming queue
ProcessQueue(ID);
}
}
private void ProcessQueue(int ID)
{
// This is just a temp implementation -- not so fast :)
InQueueStruct myIQS = InQueue[ID];
if (myIQS.QueueSize == 0)
return;
string receivedData = Encoding.UTF8.GetString(myIQS.Queue, 0, myIQS.QueueSize);
Debug.WriteLine("RAW: " + receivedData);
byte newLine = 10;
while (true)
{
bool ShouldProcess = false;
int lineEndPos = 0;
// Look for newline
for (int i = 0; i < myIQS.QueueSize; i++)
{
if (myIQS.Queue[i] == newLine)
{
ShouldProcess = true;
lineEndPos = i;
break;
}
}
// Process it?
if (!ShouldProcess)
return;
// Yes
string cmdLine = Encoding.ASCII.GetString(myIQS.Queue, 0, lineEndPos);
Debug.WriteLine("Command: " + cmdLine);
// Fix remaining queue in an inefficient way
byte[] newQueue = new byte[MaxQueueSize];
Array.Copy(myIQS.Queue, lineEndPos, newQueue, 0, myIQS.QueueSize - lineEndPos);
myIQS.Queue = newQueue;
myIQS.QueueSize -= (lineEndPos + 1);
// Now back to the command
string[] parts = cmdLine.Split(',');
if (parts.Length > 0)
{
string cmd = parts[0];
int paramCount = parts.Length - 1;
object[] param = null;
if (paramCount > 0)
{
// Process all parameters (decoding them from URL encoding)
param = new object[paramCount];
for (int i = 1; i < parts.Length; i++)
{
string[] spl;
spl = HttpUtility.UrlDecode(parts[i]).Split('|');
string t = spl[0];
param[i - 1] = Convert.ChangeType(spl[1], TypeLookup(t));
}
}
ReceiveCommand(ID, cmd, param);
}
}
}
private Type TypeLookup(string t)
{
Type ret = TypeDictionary[t];
if (ret != null)
return ret;
return typeof(object);
}
public void SendCommand(int ID, string Command, params object[] p)
{
// Call PacketFactory to have it create a packet for us
//string[] tmpP = new string[p.Length];
string tmpStr = Command;
for (int i = 0; i < p.Length; i++)
{
tmpStr += "," + p[i].GetType().ToString() + "|" + HttpUtility.UrlEncode(p[i].ToString()); // .Replace(",", "%44")
}
tmpStr += "\n";
byte[] byteData = Encoding.UTF8.GetBytes(tmpStr);
TCPS.Send(ID, byteData, 0, byteData.Length);
}
}
}
|
