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
|
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Text;
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;
System.Collections.Generic.Dictionary<string, Type> TypeDictionary = new Dictionary<string, Type>();
Type[] Types =
{
typeof(System.String),
typeof(System.Int16),
typeof(System.Int32),
typeof(System.Int64),
typeof(System.Double),
typeof(System.Decimal),
typeof(System.Array),
typeof(LLUUID),
typeof(System.UInt16),
typeof(System.UInt32),
typeof(System.UInt64)
};
// TODO: Maybe we should move queue into TCPSocket so we won't have to keep one queue instance per connection
private System.Collections.Generic.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, System.Net.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.ASCII.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 = System.Web.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() + "|" + System.Web.HttpUtility.UrlEncode(p[i].ToString()); // .Replace(",", "%44")
}
tmpStr += "\n";
byte[] byteData = Encoding.ASCII.GetBytes(tmpStr);
TCPS.Send(ID, byteData, 0, byteData.Length);
}
}
}
|
