blob: af2e0a617e32d61b2d1f3c03d6ddfd2262ac0a6b (
plain)
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
|
// **********************************************************************
//
// Copyright (c) 2003-2007 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
using System;
using System.Threading;
using Demo;
public class Client : Ice.Application
{
class SessionKeepAliveThread
{
public SessionKeepAliveThread(IceGrid.SessionPrx session, int timeout)
{
_session = session;
_timeout = timeout;
_terminated = false;
}
public void run()
{
lock(this)
{
while(!_terminated)
{
System.Threading.Monitor.Wait(this, _timeout);
if(_terminated)
{
break;
}
try
{
_session.keepAlive();
}
catch(Ice.LocalException)
{
break;
}
}
}
}
public void terminate()
{
lock(this)
{
_terminated = true;
System.Threading.Monitor.Pulse(this);
}
}
private IceGrid.SessionPrx _session;
private int _timeout;
private bool _terminated;
}
private void menu()
{
Console.Out.WriteLine(
"usage:\n" +
"t: send greeting\n" +
"x: exit\n" +
"?: help\n");
}
public override int run(string[] args)
{
int status = 1;
IceGrid.RegistryPrx registry =
IceGrid.RegistryPrxHelper.checkedCast(communicator().stringToProxy("DemoIceGrid/Registry"));
if(registry == null)
{
Console.WriteLine("could not contact registry");
return 1;
}
IceGrid.SessionPrx session = null;
while(true)
{
Console.Out.WriteLine("This demo accepts any user-id / password combination.");
string id;
Console.Out.Write("user id: ");
Console.Out.Flush();
id = Console.In.ReadLine();
string pw;
Console.Out.Write("password: ");
Console.Out.Flush();
pw = Console.In.ReadLine();
try
{
session = registry.createSession(id, pw);
break;
}
catch(IceGrid.PermissionDeniedException ex)
{
Console.WriteLine("permission denied:\n" + ex.reason);
}
}
SessionKeepAliveThread keepAlive = new SessionKeepAliveThread(session, (int)registry.getSessionTimeout() / 2);
Thread keepAliveThread = new Thread(new ThreadStart(keepAlive.run));
keepAliveThread.Start();
try
{
HelloPrx hello = HelloPrxHelper.checkedCast(
session.allocateObjectById(communicator().stringToIdentity("hello")));
menu();
string line = null;
do
{
try
{
Console.Write("==> ");
Console.Out.Flush();
line = Console.In.ReadLine();
if(line == null)
{
break;
}
if(line.Equals("t"))
{
hello.sayHello();
}
else if(line.Equals("x"))
{
// Nothing to do
}
else if(line.Equals("?"))
{
menu();
}
else
{
Console.WriteLine("unknown command `" + line + "'");
menu();
}
}
catch(Ice.LocalException ex)
{
Console.WriteLine(ex);
}
}
while(!line.Equals("x"));
}
catch(IceGrid.AllocationException ex)
{
Console.WriteLine("could not allocate object: " + ex.reason);
status = 1;
}
catch(IceGrid.ObjectNotRegisteredException)
{
Console.WriteLine("object not registered with registry");
status = 1;
}
catch(Exception ex)
{
Console.WriteLine("expected exception: " + ex);
status = 1;
}
//
// Destroy the keepAlive thread and the sesion object otherwise
// the session will be kept allocated until the timeout occurs.
// Destroying the session will release all allocated objects.
//
keepAlive.terminate();
keepAliveThread.Join();
session.destroy();
return status;
}
public static void Main(string[] args)
{
Client app = new Client();
int status = app.main(args, "config.client");
if(status != 0)
{
System.Environment.Exit(status);
}
}
}
|
