blob: db943a2d560624b5565d00e7225cc640ee211df1 (
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
|
// **********************************************************************
//
// Copyright (c) 2003-2009 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.
//
// **********************************************************************
package IceInternal;
public class EndpointHostResolver
{
EndpointHostResolver(Instance instance)
{
_instance = instance;
_thread = new HelperThread();
_thread.start();
}
synchronized public void
resolve(String host, int port, EndpointI endpoint, EndpointI_connectors callback)
{
//
// TODO: Optimize to avoid the lookup if the given host is a textual IPv4 or IPv6
// address. This requires implementing parsing of IPv4/IPv6 addresses (Java does
// not provide such methods).
//
assert(!_destroyed);
ResolveEntry entry = new ResolveEntry();
entry.host = host;
entry.port = port;
entry.endpoint = endpoint;
entry.callback = callback;
_queue.add(entry);
notify();
}
synchronized public void
destroy()
{
assert(!_destroyed);
_destroyed = true;
notify();
}
public void
joinWithThread()
{
if(_thread != null)
{
try
{
_thread.join();
}
catch(InterruptedException ex)
{
}
}
}
public void
run()
{
while(true)
{
ResolveEntry resolve;
synchronized(this)
{
while(!_destroyed && _queue.isEmpty())
{
try
{
wait();
}
catch(java.lang.InterruptedException ex)
{
}
}
if(_destroyed)
{
break;
}
resolve = (ResolveEntry)_queue.removeFirst();
}
try
{
resolve.callback.connectors(
resolve.endpoint.connectors(
Network.getAddresses(resolve.host, resolve.port, _instance.protocolSupport())));
}
catch(Ice.LocalException ex)
{
resolve.callback.exception(ex);
}
}
java.util.Iterator<ResolveEntry> p = _queue.iterator();
while(p.hasNext())
{
p.next().callback.exception(new Ice.CommunicatorDestroyedException());
}
_queue.clear();
}
class ResolveEntry
{
String host;
int port;
EndpointI endpoint;
EndpointI_connectors callback;
}
private final Instance _instance;
private boolean _destroyed;
private java.util.LinkedList<ResolveEntry> _queue = new java.util.LinkedList<ResolveEntry>();
private final class HelperThread extends Thread
{
HelperThread()
{
String threadName = _instance.initializationData().properties.getProperty("Ice.ProgramName");
if(threadName.length() > 0)
{
threadName += "-";
}
setName(threadName + "Ice.EndpointHostResolverThread");
}
public void
run()
{
if(_instance.initializationData().threadHook != null)
{
_instance.initializationData().threadHook.start();
}
try
{
EndpointHostResolver.this.run();
}
catch(Ice.LocalException ex)
{
java.io.StringWriter sw = new java.io.StringWriter();
java.io.PrintWriter pw = new java.io.PrintWriter(sw);
ex.printStackTrace(pw);
pw.flush();
String s = "exception in endpoint host resolver thread " + getName() + ":\n" + sw.toString();
_instance.initializationData().logger.error(s);
}
catch(java.lang.Exception ex)
{
java.io.StringWriter sw = new java.io.StringWriter();
java.io.PrintWriter pw = new java.io.PrintWriter(sw);
ex.printStackTrace(pw);
pw.flush();
String s = "unknown exception in endpoint host resolver thread " + getName() + ":\n" + sw.toString();
_instance.initializationData().logger.error(s);
}
if(_instance.initializationData().threadHook != null)
{
_instance.initializationData().threadHook.stop();
}
}
}
private HelperThread _thread;
}
|
