blob: ec5f9502bbdef6a8f0488ed30d5668337c46ad83 (
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
|
// **********************************************************************
//
// 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.
//
// **********************************************************************
import Demo.*;
public class Subscriber extends Ice.Application
{
public class ClockI extends _ClockDisp
{
public void
tick(String date, Ice.Current current)
{
System.out.println(date);
}
}
public void
usage()
{
System.out.println("Usage: " + appName() + " [--batch] [--datagram|--twoway|--ordered|--oneway] [topic]");
}
public int
run(String[] args)
{
IceStorm.TopicManagerPrx manager = IceStorm.TopicManagerPrxHelper.checkedCast(
communicator().propertyToProxy("IceStorm.TopicManager.Proxy"));
if(manager == null)
{
System.err.println("invalid proxy");
return 1;
}
String topicName = "time";
boolean datagram = false;
boolean twoway = false;
boolean ordered = false;
boolean oneway = false;
boolean batch = false;
int optsSet = 0;
for(int i = 0; i < args.length; ++i)
{
if(args[i].equals("--datagram"))
{
datagram = true;
++optsSet;
}
else if(args[i].equals("--twoway"))
{
twoway = true;
++optsSet;
}
else if(args[i].equals("--ordered"))
{
ordered = true;
++optsSet;
}
else if(args[i].equals("--oneway"))
{
oneway = true;
++optsSet;
}
else if(args[i].equals("--batch"))
{
batch = true;
}
else if(args[i].startsWith("--"))
{
usage();
return 1;
}
else
{
topicName = args[i];
break;
}
}
if(batch)
{
if(twoway || ordered)
{
System.err.println(appName() + ": batch can only be set with oneway or datagram");
return 1;
}
}
if(optsSet > 1)
{
usage();
return 1;
}
IceStorm.TopicPrx topic;
try
{
topic = manager.retrieve(topicName);
}
catch(IceStorm.NoSuchTopic e)
{
try
{
topic = manager.create(topicName);
}
catch(IceStorm.TopicExists ex)
{
System.err.println(appName() + ": temporary failure, try again.");
return 1;
}
}
Ice.ObjectAdapter adapter = communicator().createObjectAdapter("Clock.Subscriber");
//
// Add a Servant for the Ice Object.
//
java.util.Map qos = new java.util.HashMap();
Ice.ObjectPrx subscriber = adapter.addWithUUID(new ClockI());
//
// Set up the proxy.
//
if(datagram)
{
subscriber = subscriber.ice_datagram();
}
else if(twoway)
{
// Do nothing to the subscriber proxy. Its already twoway.
}
else if(ordered)
{
// Do nothing to the subscriber proxy. Its already twoway.
qos.put("reliability", "ordered");
}
else // if(oneway)
{
subscriber = subscriber.ice_oneway();
}
if(batch)
{
if(datagram)
{
subscriber = subscriber.ice_batchDatagram();
}
else
{
subscriber = subscriber.ice_batchOneway();
}
}
try
{
topic.subscribeAndGetPublisher(qos, subscriber);
}
catch(IceStorm.AlreadySubscribed e)
{
e.printStackTrace();
return 1;
}
catch(IceStorm.BadQoS e)
{
e.printStackTrace();
return 1;
}
adapter.activate();
shutdownOnInterrupt();
communicator().waitForShutdown();
topic.unsubscribe(subscriber);
return 0;
}
public static void
main(String[] args)
{
Subscriber app = new Subscriber();
int status = app.main("Subscriber", args, "config.sub");
System.exit(status);
}
}
|
