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
|
using System;
using System.Collections;
using System.Threading;
using System.Net;
using System.Net.Sockets;
using NUnit.Framework;
namespace MonoTests.System.Net.Sockets
{
[TestFixture]
public class SocketAsyncTest
{
Socket serverSocket;
Socket clientSocket;
ManualResetEvent readyEvent;
ManualResetEvent mainEvent;
Exception error;
[TestFixtureSetUp]
public void SetUp ()
{
readyEvent = new ManualResetEvent (false);
mainEvent = new ManualResetEvent (false);
ThreadPool.QueueUserWorkItem (_ => DoWork ());
readyEvent.WaitOne ();
clientSocket = new Socket (
AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
clientSocket.Connect (serverSocket.LocalEndPoint);
clientSocket.NoDelay = true;
}
[TestFixtureTearDown]
public void TearDown ()
{
if (serverSocket != null)
serverSocket.Close ();
readyEvent.Close ();
mainEvent.Close ();
}
void DoWork ()
{
serverSocket = new Socket (
AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
serverSocket.Bind (new IPEndPoint (IPAddress.Loopback, 0));
serverSocket.Listen (1);
var async = new SocketAsyncEventArgs ();
async.Completed += (s,e) => OnAccepted (e);
readyEvent.Set ();
if (!serverSocket.AcceptAsync (async))
OnAccepted (async);
}
void OnAccepted (SocketAsyncEventArgs e)
{
var acceptSocket = e.AcceptSocket;
try {
var header = new byte [4];
acceptSocket.Receive (header);
if ((header [0] != 0x12) || (header [1] != 0x34) ||
(header [2] != 0x56) || (header [3] != 0x78))
throw new InvalidOperationException ();
} catch (Exception ex) {
error = ex;
return;
}
var recvAsync = new SocketAsyncEventArgs ();
recvAsync.Completed += (sender, args) => OnReceived (args);
recvAsync.SetBuffer (new byte [4], 0, 4);
if (!acceptSocket.ReceiveAsync (recvAsync))
OnReceived (recvAsync);
mainEvent.Set ();
}
void OnReceived (SocketAsyncEventArgs e)
{
if (e.SocketError != SocketError.Success)
error = new SocketException ((int) e.SocketError);
else if (e.Buffer [0] != 0x9a)
error = new InvalidOperationException ();
mainEvent.Set ();
}
[Test]
[Category("Test")]
public void SendAsync ()
{
var buffer = new byte [] { 0x12, 0x34, 0x56, 0x78 };
var m = new ManualResetEvent (false);
var e = new SocketAsyncEventArgs ();
e.SetBuffer (buffer, 0, buffer.Length);
e.Completed += (s,o) => {
if (o.SocketError != SocketError.Success)
error = new SocketException ((int)o.SocketError);
m.Set ();
};
bool res = clientSocket.SendAsync (e);
if (res) {
if (!m.WaitOne (1500))
throw new TimeoutException ();
}
if (!mainEvent.WaitOne (1500))
throw new TimeoutException ();
if (error != null)
throw error;
m.Reset ();
mainEvent.Reset ();
buffer [0] = 0x9a;
buffer [1] = 0xbc;
buffer [2] = 0xde;
buffer [3] = 0xff;
res = clientSocket.SendAsync (e);
if (res) {
if (!m.WaitOne (1500))
throw new TimeoutException ();
}
if (!mainEvent.WaitOne (1500))
throw new TimeoutException ();
if (error != null)
throw error;
}
}
}
|
