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
|
//
// System.Runtime.Remoting.Channels.Tcp.TcpChannel.cs
//
// Author: Rodrigo Moya (rodrigo@ximian.com)
// Lluis Sanchez Gual (lluis@ideary.com)
//
// 2002 (C) Copyright, Ximian, Inc.
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Collections;
using System.Runtime.Remoting.Messaging;
using System.Text.RegularExpressions;
namespace System.Runtime.Remoting.Channels.Tcp
{
public class TcpChannel : IChannelReceiver, IChannel, IChannelSender
{
private TcpClientChannel _clientChannel;
private TcpServerChannel _serverChannel;
private string _name = "tcp";
private int _priority = 1;
public TcpChannel ()
{
Init (new Hashtable(), null, null);
}
public TcpChannel (int port)
{
Hashtable ht = new Hashtable();
ht ["port"] = port.ToString();
Init (ht, null, null);
}
void Init (IDictionary properties, IClientChannelSinkProvider clientSink, IServerChannelSinkProvider serverSink)
{
_clientChannel = new TcpClientChannel (properties,clientSink);
if (properties != null) {
if(properties["port"] != null)
_serverChannel = new TcpServerChannel(properties, serverSink);
object val = properties ["name"];
if (val != null)
_name = val as string;
val = properties ["priority"];
if (val != null)
_priority = Convert.ToInt32 (val);
}
}
public TcpChannel (IDictionary properties,
IClientChannelSinkProvider clientSinkProvider,
IServerChannelSinkProvider serverSinkProvider)
{
Init (properties, clientSinkProvider, serverSinkProvider);
}
public IMessageSink CreateMessageSink(string url, object remoteChannelData, out string objectURI)
{
return _clientChannel.CreateMessageSink(url,
remoteChannelData, out objectURI);
}
public string ChannelName {
get { return _name; }
}
public int ChannelPriority {
get { return _priority; }
}
public void StartListening (object data)
{
if (_serverChannel != null)
_serverChannel.StartListening (data);
}
public void StopListening (object data)
{
if (_serverChannel != null)
_serverChannel.StopListening(data);
TcpConnectionPool.Shutdown ();
}
public string [] GetUrlsForUri (string objectURI)
{
if (_serverChannel != null)
return _serverChannel.GetUrlsForUri (objectURI);
return null;
}
public object ChannelData {
get {
if (_serverChannel != null)
return _serverChannel.ChannelData;
return null;
}
}
public string Parse (string url, out string objectURI)
{
return TcpChannel.ParseChannelUrl (url, out objectURI);
}
internal static string ParseChannelUrl (string url, out string objectURI)
{
if (url == null)
throw new ArgumentNullException ("url");
string host, port;
return ParseTcpURL (url, out host, out port, out objectURI);
}
internal static string ParseTcpURL (string url, out string host, out string port, out string objectURI)
{
// format: "tcp://host:port/path/to/object"
objectURI = null;
host = null;
port = null;
// url needs to be at least "tcp:"
if (url.Length < 4 || url[3] != ':' ||
(url[0] != 'T' && url[0] != 't') ||
(url[1] != 'C' && url[1] != 'c') ||
(url[2] != 'P' && url[2] != 'p'))
return null;
// "tcp:" is acceptable
if (url.Length == 4)
return url;
// must be of the form "tcp://"
if (url.Length <= 5 || url[4] != '/' || url[5] != '/')
return null;
// "tcp://" is acceptable
if (url.Length == 6)
return url;
int i;
for (i = 6; i < url.Length; i++) {
if (url[i] == ':' || url[i] == '/')
break;
}
host = url.Substring (6, i - 6);
if (i + 1 < url.Length && url[i] == ':') {
int start = i + 1;
for (i++; i < url.Length; i++) {
if (url[i] == '/')
break;
}
if (i > start)
port = url.Substring (start, i - start);
}
if (i >= url.Length || url[i] != '/')
return url;
objectURI = url.Substring (i);
return url.Substring (0, i);
}
}
}
|
