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
|
//
// RemotingHttpListener.cs
//
// Author:
// Michael Hutchinson <mhutchinson@novell.com>
//
// Copyright (C) 2008 Novell, Inc (http://www.novell.com)
//
// 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;
using System.Collections;
using System.Text;
using System.Net;
using System.Net.Sockets;
using System.Runtime.Remoting.Messaging;
using System.IO;
namespace System.Runtime.Remoting.Channels.Http
{
sealed class RemotingHttpListener : IDisposable
{
HttpServerTransportSink sink;
HttpListener listener;
int local_port;
public RemotingHttpListener (IPAddress addr, int port, HttpServerTransportSink sink)
{
this.sink = sink;
bool find_port = false;
if (port == 0)
find_port = true;
string address = null;
if (addr == IPAddress.Any)
address = "*";
else if (addr == IPAddress.IPv6Any)
address = "*";
else
address = addr.ToString ();
listener = new HttpListener ();
while (true) {
Random rnd = null;
if (find_port) {
if (rnd == null)
rnd = new Random ();
port = rnd.Next (1025, 65000);
}
try {
listener.Prefixes.Add (String.Format ("http://{0}:{1}/", address, port));
listener.Start ();
local_port = port;
break;
} catch (Exception) {
if (!find_port)
throw;
listener.Prefixes.Clear ();
// Port already in use
}
}
listener.BeginGetContext (new AsyncCallback (OnGetContext), null);
}
public int AssignedPort
{
get { return local_port; }
}
void OnGetContext (IAsyncResult ares)
{
if (listener == null)
return; // already disposed
HttpListenerContext context = null;
try {
context = listener.EndGetContext (ares);
listener.BeginGetContext (new AsyncCallback (OnGetContext), null);
} catch {
// Listener was closed
}
if (context != null) {
try {
sink.HandleRequest (context);
} catch {
try {
context.Response.Close ();
} catch {}
}
}
}
public void Dispose ()
{
if (listener != null) {
listener.Close ();
listener = null;
}
}
}
}
|
