1 /* |
1 /* |
2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * |
4 * |
5 * This code is free software; you can redistribute it and/or modify it |
5 * This code is free software; you can redistribute it and/or modify it |
6 * under the terms of the GNU General Public License version 2 only, as |
6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. Oracle designates this |
7 * published by the Free Software Foundation. Oracle designates this |
31 import java.nio.channels.Pipe; |
31 import java.nio.channels.Pipe; |
32 import java.nio.channels.ServerSocketChannel; |
32 import java.nio.channels.ServerSocketChannel; |
33 import java.nio.channels.SocketChannel; |
33 import java.nio.channels.SocketChannel; |
34 import java.nio.channels.spi.AbstractSelector; |
34 import java.nio.channels.spi.AbstractSelector; |
35 import java.nio.channels.spi.SelectorProvider; |
35 import java.nio.channels.spi.SelectorProvider; |
36 import sun.nio.ch.SelectorProviderImpl; |
|
37 import java.security.AccessController; |
36 import java.security.AccessController; |
38 import java.security.PrivilegedAction; |
37 import java.security.PrivilegedAction; |
39 |
38 |
40 public class RdmaPollSelectorProvider |
39 public class RdmaPollSelectorProvider |
41 extends SelectorProvider |
40 extends SelectorProvider |
42 { |
41 { |
43 private static final Object lock = new Object(); |
42 private static final Object lock = new Object(); |
44 private static SelectorProvider provider = null; |
43 private static RdmaPollSelectorProvider provider; |
45 |
44 |
46 public static SelectorProvider provider() { |
45 public static RdmaPollSelectorProvider provider() { |
47 synchronized (lock) { |
46 synchronized (lock) { |
48 if (provider != null) |
47 if (provider != null) |
49 return provider; |
48 return provider; |
50 return AccessController.doPrivileged( |
49 return AccessController.doPrivileged( |
51 new PrivilegedAction<>() { |
50 new PrivilegedAction<>() { |
52 public SelectorProvider run() { |
51 public RdmaPollSelectorProvider run() { |
53 provider = new RdmaPollSelectorProvider(); |
52 provider = new RdmaPollSelectorProvider(); |
54 return provider; |
53 return provider; |
55 } |
54 } |
56 }); |
55 }); |
57 } |
56 } |
58 } |
57 } |
59 |
58 |
|
59 @Override |
60 public AbstractSelector openSelector() throws IOException { |
60 public AbstractSelector openSelector() throws IOException { |
61 return new RdmaPollSelectorImpl(this); |
61 return new RdmaPollSelectorImpl(this); |
62 } |
62 } |
63 |
63 |
64 public SocketChannel openSocketChannel() |
64 @Override |
65 throws IOException { |
65 public SocketChannel openSocketChannel() { |
66 throw new UnsupportedOperationException(); |
66 throw new UnsupportedOperationException(); |
67 } |
67 } |
68 |
68 |
69 public SocketChannel openSocketChannel(ProtocolFamily family) |
69 public SocketChannel openSocketChannel(ProtocolFamily family) |
70 throws IOException { |
70 throws IOException |
|
71 { |
71 return new RdmaSocketChannelImpl(this, family); |
72 return new RdmaSocketChannelImpl(this, family); |
72 } |
73 } |
73 |
74 |
74 public ServerSocketChannel openServerSocketChannel() |
75 @Override |
75 throws IOException { |
76 public ServerSocketChannel openServerSocketChannel() { |
76 throw new UnsupportedOperationException(); |
77 throw new UnsupportedOperationException(); |
77 } |
78 } |
78 |
79 |
79 public ServerSocketChannel openServerSocketChannel(ProtocolFamily family) |
80 public ServerSocketChannel openServerSocketChannel(ProtocolFamily family) |
80 throws IOException { |
81 throws IOException |
|
82 { |
81 return new RdmaServerSocketChannelImpl(this, family); |
83 return new RdmaServerSocketChannelImpl(this, family); |
82 } |
84 } |
83 |
85 |
84 public DatagramChannel openDatagramChannel() |
86 @Override |
85 throws IOException { |
87 public DatagramChannel openDatagramChannel() { |
86 throw new UnsupportedOperationException(); |
88 throw new UnsupportedOperationException(); |
87 } |
89 } |
88 |
90 |
89 public DatagramChannel openDatagramChannel(ProtocolFamily family) |
91 @Override |
90 throws IOException { |
92 public DatagramChannel openDatagramChannel(ProtocolFamily family) { |
91 throw new UnsupportedOperationException(); |
93 throw new UnsupportedOperationException(); |
92 } |
94 } |
93 |
95 |
94 public Pipe openPipe() throws IOException { |
96 @Override |
|
97 public Pipe openPipe() { |
95 throw new UnsupportedOperationException(); |
98 throw new UnsupportedOperationException(); |
96 } |
99 } |
97 } |
100 } |