blob: ba3c19eaea8f6a5de8096ed5e70da0605815936a (
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
|
// **********************************************************************
//
// Copyright (c) 2003-2014 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;
final class ThreadPoolWorkQueue extends EventHandler
{
ThreadPoolWorkQueue(ThreadPool threadPool, Instance instance, Selector selector)
{
_threadPool = threadPool;
_instance = instance;
_selector = selector;
_destroyed = false;
Network.SocketPair pair = Network.createPipe();
_fdIntrRead = (java.nio.channels.ReadableByteChannel)pair.source;
_fdIntrWrite = pair.sink;
try
{
pair.source.configureBlocking(false);
}
catch(java.io.IOException ex)
{
throw new Ice.SyscallException(ex);
}
_selector.initialize(this);
_selector.update(this, SocketOperation.None, SocketOperation.Read);
}
protected synchronized void
finalize()
throws Throwable
{
try
{
IceUtilInternal.Assert.FinalizerAssert(_destroyed);
}
catch(java.lang.Exception ex)
{
}
finally
{
super.finalize();
}
}
public synchronized void
close()
{
try
{
_fdIntrWrite.close();
}
catch(java.io.IOException ex)
{
}
_fdIntrWrite = null;
try
{
_fdIntrRead.close();
}
catch(java.io.IOException ex)
{
}
_fdIntrRead = null;
}
public synchronized
void destroy()
{
assert(!_destroyed);
_destroyed = true;
postMessage();
}
public synchronized void
queue(ThreadPoolWorkItem item)
{
if(_destroyed)
{
throw new Ice.CommunicatorDestroyedException();
}
_workItems.add(item);
postMessage();
}
public void
message(ThreadPoolCurrent current)
{
java.nio.ByteBuffer buf = java.nio.ByteBuffer.allocate(1);
try
{
buf.rewind();
int ret = _fdIntrRead.read(buf);
assert(ret > 0);
}
catch(java.io.IOException ex)
{
throw new Ice.SocketException(ex);
}
ThreadPoolWorkItem workItem = null;
synchronized(this)
{
if(!_workItems.isEmpty())
{
workItem = _workItems.removeFirst();
}
else
{
assert(_destroyed);
postMessage();
}
}
if(workItem != null)
{
workItem.execute(current);
}
else
{
_threadPool.ioCompleted(current);
throw new ThreadPool.DestroyedException();
}
}
public void
finished(ThreadPoolCurrent current)
{
assert(false);
}
public String
toString()
{
return "work queue";
}
public java.nio.channels.SelectableChannel
fd()
{
return (java.nio.channels.SelectableChannel)_fdIntrRead;
}
public void
postMessage()
{
java.nio.ByteBuffer buf = java.nio.ByteBuffer.allocate(1);
buf.put(0, (byte)0);
while(buf.hasRemaining())
{
try
{
_fdIntrWrite.write(buf);
}
catch(java.io.IOException ex)
{
throw new Ice.SocketException(ex);
}
}
}
private final ThreadPool _threadPool;
private final Instance _instance;
private final Selector _selector;
boolean _destroyed;
private java.nio.channels.ReadableByteChannel _fdIntrRead;
private java.nio.channels.WritableByteChannel _fdIntrWrite;
private java.util.LinkedList<ThreadPoolWorkItem> _workItems = new java.util.LinkedList<ThreadPoolWorkItem>();
}
|
