author | alanb |
Mon, 09 May 2011 18:45:33 +0100 | |
changeset 9679 | d98ae8bc45fc |
parent 9035 | 1255eb81cc2f |
child 12556 | 2e06461600d9 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2008, 2011, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package sun.nio.fs; |
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import java.nio.file.*; |
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import java.security.AccessController; |
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import java.security.PrivilegedAction; |
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import java.util.*; |
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import java.io.IOException; |
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import sun.misc.Unsafe; |
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import static sun.nio.fs.UnixConstants.*; |
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/** |
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* Solaris implementation of WatchService based on file events notification |
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* facility. |
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*/ |
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class SolarisWatchService |
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extends AbstractWatchService |
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{ |
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private static final Unsafe unsafe = Unsafe.getUnsafe(); |
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private static int addressSize = unsafe.addressSize(); |
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private static int dependsArch(int value32, int value64) { |
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return (addressSize == 4) ? value32 : value64; |
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} |
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/* |
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* typedef struct port_event { |
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* int portev_events; |
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* ushort_t portev_source; |
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* ushort_t portev_pad; |
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* uintptr_t portev_object; |
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* void *portev_user; |
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* } port_event_t; |
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*/ |
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private static final int SIZEOF_PORT_EVENT = dependsArch(16, 24); |
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private static final int OFFSETOF_EVENTS = 0; |
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private static final int OFFSETOF_SOURCE = 4; |
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private static final int OFFSETOF_OBJECT = 8; |
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/* |
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* typedef struct file_obj { |
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* timestruc_t fo_atime; |
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* timestruc_t fo_mtime; |
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* timestruc_t fo_ctime; |
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* uintptr_t fo_pad[3]; |
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* char *fo_name; |
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* } file_obj_t; |
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*/ |
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private static final int SIZEOF_FILEOBJ = dependsArch(40, 80); |
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private static final int OFFSET_FO_NAME = dependsArch(36, 72); |
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// port sources |
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private static final short PORT_SOURCE_USER = 3; |
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private static final short PORT_SOURCE_FILE = 7; |
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// user-watchable events |
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private static final int FILE_MODIFIED = 0x00000002; |
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private static final int FILE_ATTRIB = 0x00000004; |
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private static final int FILE_NOFOLLOW = 0x10000000; |
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// exception events |
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private static final int FILE_DELETE = 0x00000010; |
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private static final int FILE_RENAME_TO = 0x00000020; |
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private static final int FILE_RENAME_FROM = 0x00000040; |
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private static final int UNMOUNTED = 0x20000000; |
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private static final int MOUNTEDOVER = 0x40000000; |
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// background thread to read change events |
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private final Poller poller; |
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SolarisWatchService(UnixFileSystem fs) throws IOException { |
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int port = -1; |
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try { |
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port = portCreate(); |
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} catch (UnixException x) { |
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throw new IOException(x.errorString()); |
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} |
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this.poller = new Poller(fs, this, port); |
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this.poller.start(); |
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} |
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@Override |
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WatchKey register(Path dir, |
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WatchEvent.Kind<?>[] events, |
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WatchEvent.Modifier... modifiers) |
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throws IOException |
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{ |
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// delegate to poller |
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return poller.register(dir, events, modifiers); |
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} |
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@Override |
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void implClose() throws IOException { |
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// delegate to poller |
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poller.close(); |
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} |
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124 |
|
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/** |
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* WatchKey implementation |
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*/ |
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private class SolarisWatchKey extends AbstractWatchKey |
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implements DirectoryNode |
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{ |
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private final UnixFileKey fileKey; |
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132 |
|
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// pointer to native file_obj object |
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private final long object; |
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135 |
|
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// events (may be changed). set to null when watch key is invalid |
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private volatile Set<? extends WatchEvent.Kind<?>> events; |
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138 |
|
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// map of entries in directory; created lazily; accessed only by |
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// poller thread. |
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private Map<Path,EntryNode> children; |
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142 |
|
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143 |
SolarisWatchKey(SolarisWatchService watcher, |
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UnixPath dir, |
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145 |
UnixFileKey fileKey, |
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146 |
long object, |
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Set<? extends WatchEvent.Kind<?>> events) |
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{ |
8158 | 149 |
super(dir, watcher); |
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this.fileKey = fileKey; |
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this.object = object; |
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this.events = events; |
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153 |
} |
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154 |
|
8158 | 155 |
UnixPath getDirectory() { |
156 |
return (UnixPath)watchable(); |
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} |
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158 |
|
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159 |
UnixFileKey getFileKey() { |
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return fileKey; |
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} |
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162 |
|
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163 |
@Override |
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public long object() { |
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return object; |
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} |
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167 |
|
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168 |
void invalidate() { |
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events = null; |
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170 |
} |
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171 |
|
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172 |
Set<? extends WatchEvent.Kind<?>> events() { |
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return events; |
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} |
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175 |
|
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176 |
void setEvents(Set<? extends WatchEvent.Kind<?>> events) { |
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this.events = events; |
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} |
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179 |
|
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180 |
@Override |
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181 |
public boolean isValid() { |
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return events != null; |
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183 |
} |
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184 |
|
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185 |
@Override |
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public void cancel() { |
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if (isValid()) { |
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// delegate to poller |
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poller.cancel(this); |
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} |
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191 |
} |
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192 |
|
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193 |
@Override |
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194 |
public void addChild(Path name, EntryNode node) { |
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if (children == null) |
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children = new HashMap<Path,EntryNode>(); |
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children.put(name, node); |
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} |
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199 |
|
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200 |
@Override |
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public void removeChild(Path name) { |
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children.remove(name); |
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203 |
} |
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204 |
|
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205 |
@Override |
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public EntryNode getChild(Path name) { |
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if (children != null) |
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return children.get(name); |
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return null; |
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210 |
} |
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211 |
} |
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212 |
|
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213 |
/** |
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* Background thread to read from port |
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*/ |
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private class Poller extends AbstractPoller { |
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217 |
|
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// maximum number of events to read per call to port_getn |
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private static final int MAX_EVENT_COUNT = 128; |
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220 |
|
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// events that map to ENTRY_DELETE |
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private static final int FILE_REMOVED = |
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(FILE_DELETE|FILE_RENAME_TO|FILE_RENAME_FROM); |
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224 |
|
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// events that tell us not to re-associate the object |
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private static final int FILE_EXCEPTION = |
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(FILE_REMOVED|UNMOUNTED|MOUNTEDOVER); |
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228 |
|
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// address of event buffers (used to receive events with port_getn) |
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private final long bufferAddress; |
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231 |
|
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private final SolarisWatchService watcher; |
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233 |
|
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// the I/O port |
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private final int port; |
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236 |
|
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// maps file key (dev/inode) to WatchKey |
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private final Map<UnixFileKey,SolarisWatchKey> fileKey2WatchKey; |
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239 |
|
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// maps file_obj object to Node |
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|
241 |
private final Map<Long,Node> object2Node; |
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|
242 |
|
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|
243 |
/** |
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244 |
* Create a new instance |
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|
245 |
*/ |
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|
246 |
Poller(UnixFileSystem fs, SolarisWatchService watcher, int port) { |
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this.watcher = watcher; |
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248 |
this.port = port; |
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249 |
this.bufferAddress = |
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|
250 |
unsafe.allocateMemory(SIZEOF_PORT_EVENT * MAX_EVENT_COUNT); |
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|
251 |
this.fileKey2WatchKey = new HashMap<UnixFileKey,SolarisWatchKey>(); |
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252 |
this.object2Node = new HashMap<Long,Node>(); |
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253 |
} |
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|
254 |
|
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|
255 |
@Override |
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|
256 |
void wakeup() throws IOException { |
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|
257 |
// write to port to wakeup polling thread |
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|
258 |
try { |
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|
259 |
portSend(port, 0); |
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|
260 |
} catch (UnixException x) { |
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|
261 |
throw new IOException(x.errorString()); |
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|
262 |
} |
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|
263 |
} |
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|
264 |
|
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|
265 |
@Override |
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|
266 |
Object implRegister(Path obj, |
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|
267 |
Set<? extends WatchEvent.Kind<?>> events, |
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|
268 |
WatchEvent.Modifier... modifiers) |
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|
269 |
{ |
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|
270 |
// no modifiers supported at this time |
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|
271 |
if (modifiers.length > 0) { |
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|
272 |
for (WatchEvent.Modifier modifier: modifiers) { |
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|
273 |
if (modifier == null) |
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|
274 |
return new NullPointerException(); |
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|
275 |
if (modifier instanceof com.sun.nio.file.SensitivityWatchEventModifier) |
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|
276 |
continue; // ignore |
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|
277 |
return new UnsupportedOperationException("Modifier not supported"); |
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|
278 |
} |
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|
279 |
} |
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|
280 |
|
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|
281 |
UnixPath dir = (UnixPath)obj; |
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|
282 |
|
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|
283 |
// check file is directory |
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|
284 |
UnixFileAttributes attrs = null; |
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|
285 |
try { |
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|
286 |
attrs = UnixFileAttributes.get(dir, true); |
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|
287 |
} catch (UnixException x) { |
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|
288 |
return x.asIOException(dir); |
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|
289 |
} |
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|
290 |
if (!attrs.isDirectory()) { |
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|
291 |
return new NotDirectoryException(dir.getPathForExecptionMessage()); |
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|
292 |
} |
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|
293 |
|
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|
294 |
// return existing watch key after updating events if already |
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|
295 |
// registered |
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|
296 |
UnixFileKey fileKey = attrs.fileKey(); |
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|
297 |
SolarisWatchKey watchKey = fileKey2WatchKey.get(fileKey); |
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changeset
|
298 |
if (watchKey != null) { |
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|
299 |
updateEvents(watchKey, events); |
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|
300 |
return watchKey; |
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|
301 |
} |
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|
302 |
|
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|
303 |
// register directory |
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|
304 |
long object = 0L; |
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parents:
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changeset
|
305 |
try { |
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|
306 |
object = registerImpl(dir, (FILE_MODIFIED | FILE_ATTRIB)); |
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parents:
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|
307 |
} catch (UnixException x) { |
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|
308 |
return x.asIOException(dir); |
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parents:
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changeset
|
309 |
} |
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parents:
diff
changeset
|
310 |
|
3acf8e5e2ca0
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parents:
diff
changeset
|
311 |
// create watch key and insert it into maps |
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|
312 |
watchKey = new SolarisWatchKey(watcher, dir, fileKey, object, events); |
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parents:
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|
313 |
object2Node.put(object, watchKey); |
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parents:
diff
changeset
|
314 |
fileKey2WatchKey.put(fileKey, watchKey); |
3acf8e5e2ca0
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alanb
parents:
diff
changeset
|
315 |
|
3acf8e5e2ca0
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parents:
diff
changeset
|
316 |
// register all entries in directory |
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parents:
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changeset
|
317 |
registerChildren(dir, watchKey, false); |
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alanb
parents:
diff
changeset
|
318 |
|
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diff
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|
319 |
return watchKey; |
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parents:
diff
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|
320 |
} |
3acf8e5e2ca0
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parents:
diff
changeset
|
321 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
322 |
// cancel single key |
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parents:
diff
changeset
|
323 |
@Override |
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diff
changeset
|
324 |
void implCancelKey(WatchKey obj) { |
3acf8e5e2ca0
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parents:
diff
changeset
|
325 |
SolarisWatchKey key = (SolarisWatchKey)obj; |
3acf8e5e2ca0
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parents:
diff
changeset
|
326 |
if (key.isValid()) { |
3acf8e5e2ca0
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alanb
parents:
diff
changeset
|
327 |
fileKey2WatchKey.remove(key.getFileKey()); |
3acf8e5e2ca0
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alanb
parents:
diff
changeset
|
328 |
|
3acf8e5e2ca0
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alanb
parents:
diff
changeset
|
329 |
// release resources for entries in directory |
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parents:
diff
changeset
|
330 |
if (key.children != null) { |
3acf8e5e2ca0
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parents:
diff
changeset
|
331 |
for (Map.Entry<Path,EntryNode> entry: key.children.entrySet()) { |
3acf8e5e2ca0
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parents:
diff
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|
332 |
EntryNode node = entry.getValue(); |
3acf8e5e2ca0
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parents:
diff
changeset
|
333 |
long object = node.object(); |
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parents:
diff
changeset
|
334 |
object2Node.remove(object); |
3acf8e5e2ca0
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parents:
diff
changeset
|
335 |
releaseObject(object, true); |
3acf8e5e2ca0
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alanb
parents:
diff
changeset
|
336 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
337 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
338 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
339 |
// release resources for directory |
3acf8e5e2ca0
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parents:
diff
changeset
|
340 |
long object = key.object(); |
3acf8e5e2ca0
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parents:
diff
changeset
|
341 |
object2Node.remove(object); |
3acf8e5e2ca0
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alanb
parents:
diff
changeset
|
342 |
releaseObject(object, true); |
3acf8e5e2ca0
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alanb
parents:
diff
changeset
|
343 |
|
3acf8e5e2ca0
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parents:
diff
changeset
|
344 |
// and finally invalidate the key |
3acf8e5e2ca0
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parents:
diff
changeset
|
345 |
key.invalidate(); |
3acf8e5e2ca0
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parents:
diff
changeset
|
346 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
347 |
} |
3acf8e5e2ca0
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alanb
parents:
diff
changeset
|
348 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
349 |
// close watch service |
3acf8e5e2ca0
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parents:
diff
changeset
|
350 |
@Override |
3acf8e5e2ca0
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parents:
diff
changeset
|
351 |
void implCloseAll() { |
3acf8e5e2ca0
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alanb
parents:
diff
changeset
|
352 |
// release all native resources |
3acf8e5e2ca0
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alanb
parents:
diff
changeset
|
353 |
for (Long object: object2Node.keySet()) { |
3acf8e5e2ca0
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alanb
parents:
diff
changeset
|
354 |
releaseObject(object, true); |
3acf8e5e2ca0
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alanb
parents:
diff
changeset
|
355 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
356 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
357 |
// invalidate all keys |
3acf8e5e2ca0
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alanb
parents:
diff
changeset
|
358 |
for (Map.Entry<UnixFileKey,SolarisWatchKey> entry: fileKey2WatchKey.entrySet()) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
359 |
entry.getValue().invalidate(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
360 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
361 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
362 |
// clean-up |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
363 |
object2Node.clear(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
364 |
fileKey2WatchKey.clear(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
365 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
366 |
// free global resources |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
367 |
unsafe.freeMemory(bufferAddress); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
368 |
UnixNativeDispatcher.close(port); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
369 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
370 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
371 |
/** |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
372 |
* Poller main loop. Blocks on port_getn waiting for events and then |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
373 |
* processes them. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
374 |
*/ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
375 |
@Override |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
376 |
public void run() { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
377 |
try { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
378 |
for (;;) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
379 |
int n = portGetn(port, bufferAddress, MAX_EVENT_COUNT); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
380 |
assert n > 0; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
381 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
382 |
long address = bufferAddress; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
383 |
for (int i=0; i<n; i++) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
384 |
boolean shutdown = processEvent(address); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
385 |
if (shutdown) |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
386 |
return; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
387 |
address += SIZEOF_PORT_EVENT; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
388 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
389 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
390 |
} catch (UnixException x) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
391 |
x.printStackTrace(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
392 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
393 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
394 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
395 |
/** |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
396 |
* Process a single port_event |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
397 |
* |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
398 |
* Returns true if poller thread is requested to shutdown. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
399 |
*/ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
400 |
boolean processEvent(long address) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
401 |
// pe->portev_source |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
402 |
short source = unsafe.getShort(address + OFFSETOF_SOURCE); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
403 |
// pe->portev_object |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
404 |
long object = unsafe.getAddress(address + OFFSETOF_OBJECT); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
405 |
// pe->portev_events |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
406 |
int events = unsafe.getInt(address + OFFSETOF_EVENTS); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
407 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
408 |
// user event is trigger to process pending requests |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
409 |
if (source != PORT_SOURCE_FILE) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
410 |
if (source == PORT_SOURCE_USER) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
411 |
// process any pending requests |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
412 |
boolean shutdown = processRequests(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
413 |
if (shutdown) |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
414 |
return true; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
415 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
416 |
return false; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
417 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
418 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
419 |
// lookup object to get Node |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
420 |
Node node = object2Node.get(object); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
421 |
if (node == null) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
422 |
// should not happen |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
423 |
return false; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
424 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
425 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
426 |
// As a workaround for 6642290 and 6636438/6636412 we don't use |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
427 |
// FILE_EXCEPTION events to tell use not to register the file. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
428 |
// boolean reregister = (events & FILE_EXCEPTION) == 0; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
429 |
boolean reregister = true; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
430 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
431 |
// If node is EntryNode then event relates to entry in directory |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
432 |
// If node is a SolarisWatchKey (DirectoryNode) then event relates |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
433 |
// to a watched directory. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
434 |
boolean isDirectory = (node instanceof SolarisWatchKey); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
435 |
if (isDirectory) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
436 |
processDirectoryEvents((SolarisWatchKey)node, events); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
437 |
} else { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
438 |
boolean ignore = processEntryEvents((EntryNode)node, events); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
439 |
if (ignore) |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
440 |
reregister = false; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
441 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
442 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
443 |
// need to re-associate to get further events |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
444 |
if (reregister) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
445 |
try { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
446 |
events = FILE_MODIFIED | FILE_ATTRIB; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
447 |
if (!isDirectory) events |= FILE_NOFOLLOW; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
448 |
portAssociate(port, |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
449 |
PORT_SOURCE_FILE, |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
450 |
object, |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
451 |
events); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
452 |
} catch (UnixException x) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
453 |
// unable to re-register |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
454 |
reregister = false; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
455 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
456 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
457 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
458 |
// object is not re-registered so release resources. If |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
459 |
// object is a watched directory then signal key |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
460 |
if (!reregister) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
461 |
// release resources |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
462 |
object2Node.remove(object); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
463 |
releaseObject(object, false); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
464 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
465 |
// if watch key then signal it |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
466 |
if (isDirectory) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
467 |
SolarisWatchKey key = (SolarisWatchKey)node; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
468 |
fileKey2WatchKey.remove( key.getFileKey() ); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
469 |
key.invalidate(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
470 |
key.signal(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
471 |
} else { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
472 |
// if entry then remove it from parent |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
473 |
EntryNode entry = (EntryNode)node; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
474 |
SolarisWatchKey key = (SolarisWatchKey)entry.parent(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
475 |
key.removeChild(entry.name()); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
476 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
477 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
478 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
479 |
return false; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
480 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
481 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
482 |
/** |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
483 |
* Process directory events. If directory is modified then re-scan |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
484 |
* directory to register any new entries |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
485 |
*/ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
486 |
void processDirectoryEvents(SolarisWatchKey key, int mask) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
487 |
if ((mask & (FILE_MODIFIED | FILE_ATTRIB)) != 0) { |
8158 | 488 |
registerChildren(key.getDirectory(), key, |
9679
d98ae8bc45fc
7042979: Rename StandardSocketOption and StandardWatchEventKind
alanb
parents:
9035
diff
changeset
|
489 |
key.events().contains(StandardWatchEventKinds.ENTRY_CREATE)); |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
490 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
491 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
492 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
493 |
/** |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
494 |
* Process events for entries in registered directories. Returns {@code |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
495 |
* true} if events are ignored because the watch key has been cancelled. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
496 |
*/ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
497 |
boolean processEntryEvents(EntryNode node, int mask) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
498 |
SolarisWatchKey key = (SolarisWatchKey)node.parent(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
499 |
Set<? extends WatchEvent.Kind<?>> events = key.events(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
500 |
if (events == null) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
501 |
// key has been cancelled so ignore event |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
502 |
return true; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
503 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
504 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
505 |
// entry modified |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
506 |
if (((mask & (FILE_MODIFIED | FILE_ATTRIB)) != 0) && |
9679
d98ae8bc45fc
7042979: Rename StandardSocketOption and StandardWatchEventKind
alanb
parents:
9035
diff
changeset
|
507 |
events.contains(StandardWatchEventKinds.ENTRY_MODIFY)) |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
508 |
{ |
9679
d98ae8bc45fc
7042979: Rename StandardSocketOption and StandardWatchEventKind
alanb
parents:
9035
diff
changeset
|
509 |
key.signalEvent(StandardWatchEventKinds.ENTRY_MODIFY, node.name()); |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
510 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
511 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
512 |
// entry removed |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
513 |
if (((mask & (FILE_REMOVED)) != 0) && |
9679
d98ae8bc45fc
7042979: Rename StandardSocketOption and StandardWatchEventKind
alanb
parents:
9035
diff
changeset
|
514 |
events.contains(StandardWatchEventKinds.ENTRY_DELETE)) |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
515 |
{ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
516 |
// Due to 6636438/6636412 we may get a remove event for cases |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
517 |
// where a rmdir/unlink/rename is attempted but fails. Until |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
518 |
// this issue is resolved we re-lstat the file to check if it |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
519 |
// exists. If it exists then we ignore the event. To keep the |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
520 |
// workaround simple we don't check the st_ino so it isn't |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
521 |
// effective when the file is replaced. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
522 |
boolean removed = true; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
523 |
try { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
524 |
UnixFileAttributes |
8158 | 525 |
.get(key.getDirectory().resolve(node.name()), false); |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
526 |
removed = false; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
527 |
} catch (UnixException x) { } |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
528 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
529 |
if (removed) |
9679
d98ae8bc45fc
7042979: Rename StandardSocketOption and StandardWatchEventKind
alanb
parents:
9035
diff
changeset
|
530 |
key.signalEvent(StandardWatchEventKinds.ENTRY_DELETE, node.name()); |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
531 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
532 |
return false; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
533 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
534 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
535 |
/** |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
536 |
* Registers all entries in the given directory |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
537 |
* |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
538 |
* The {@code sendEvents} parameter indicates if ENTRY_CREATE events |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
539 |
* should be queued when new entries are found. When initially |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
540 |
* registering a directory then will always be false. When re-scanning |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
541 |
* a directory then it depends on if the event is enabled or not. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
542 |
*/ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
543 |
void registerChildren(UnixPath dir, |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
544 |
SolarisWatchKey parent, |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
545 |
boolean sendEvents) |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
546 |
{ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
547 |
// if the ENTRY_MODIFY event is not enabled then we don't need |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
548 |
// modification events for entries in the directory |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
549 |
int events = FILE_NOFOLLOW; |
9679
d98ae8bc45fc
7042979: Rename StandardSocketOption and StandardWatchEventKind
alanb
parents:
9035
diff
changeset
|
550 |
if (parent.events().contains(StandardWatchEventKinds.ENTRY_MODIFY)) |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
551 |
events |= (FILE_MODIFIED | FILE_ATTRIB); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
552 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
553 |
DirectoryStream<Path> stream = null; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
554 |
try { |
8158 | 555 |
stream = Files.newDirectoryStream(dir); |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
556 |
} catch (IOException x) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
557 |
// nothing we can do |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
558 |
return; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
559 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
560 |
try { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
561 |
for (Path entry: stream) { |
8158 | 562 |
Path name = entry.getFileName(); |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
563 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
564 |
// skip entry if already registered |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
565 |
if (parent.getChild(name) != null) |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
566 |
continue; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
567 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
568 |
// send ENTRY_CREATE if enabled |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
569 |
if (sendEvents) { |
9679
d98ae8bc45fc
7042979: Rename StandardSocketOption and StandardWatchEventKind
alanb
parents:
9035
diff
changeset
|
570 |
parent.signalEvent(StandardWatchEventKinds.ENTRY_CREATE, name); |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
571 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
572 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
573 |
// register it |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
574 |
long object = 0L; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
575 |
try { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
576 |
object = registerImpl((UnixPath)entry, events); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
577 |
} catch (UnixException x) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
578 |
// can't register so ignore for now. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
579 |
continue; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
580 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
581 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
582 |
// create node |
8158 | 583 |
EntryNode node = new EntryNode(object, entry.getFileName(), parent); |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
584 |
// tell the parent about it |
8158 | 585 |
parent.addChild(entry.getFileName(), node); |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
586 |
object2Node.put(object, node); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
587 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
588 |
} catch (ConcurrentModificationException x) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
589 |
// error during iteration which we ignore for now |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
590 |
} finally { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
591 |
try { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
592 |
stream.close(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
593 |
} catch (IOException x) { } |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
594 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
595 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
596 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
597 |
/** |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
598 |
* Update watch key's events. Where the ENTRY_MODIFY changes then we |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
599 |
* need to update the events of registered children. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
600 |
*/ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
601 |
void updateEvents(SolarisWatchKey key, Set<? extends WatchEvent.Kind<?>> events) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
602 |
// update events, rembering if ENTRY_MODIFY was previously |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
603 |
// enabled or disabled. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
604 |
boolean wasModifyEnabled = key.events() |
9679
d98ae8bc45fc
7042979: Rename StandardSocketOption and StandardWatchEventKind
alanb
parents:
9035
diff
changeset
|
605 |
.contains(StandardWatchEventKinds.ENTRY_MODIFY); |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
606 |
key.setEvents(events); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
607 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
608 |
// check if ENTRY_MODIFY has changed |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
609 |
boolean isModifyEnabled = events |
9679
d98ae8bc45fc
7042979: Rename StandardSocketOption and StandardWatchEventKind
alanb
parents:
9035
diff
changeset
|
610 |
.contains(StandardWatchEventKinds.ENTRY_MODIFY); |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
611 |
if (wasModifyEnabled == isModifyEnabled) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
612 |
return; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
613 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
614 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
615 |
// if changed then update events of children |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
616 |
if (key.children != null) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
617 |
int ev = FILE_NOFOLLOW; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
618 |
if (isModifyEnabled) |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
619 |
ev |= (FILE_MODIFIED | FILE_ATTRIB); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
620 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
621 |
for (Map.Entry<Path,EntryNode> entry: key.children.entrySet()) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
622 |
long object = entry.getValue().object(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
623 |
try { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
624 |
portAssociate(port, |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
625 |
PORT_SOURCE_FILE, |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
626 |
object, |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
627 |
ev); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
628 |
} catch (UnixException x) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
629 |
// nothing we can do. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
630 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
631 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
632 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
633 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
634 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
635 |
/** |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
636 |
* Calls port_associate to register the given path. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
637 |
* Returns pointer to fileobj structure that is allocated for |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
638 |
* the registration. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
639 |
*/ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
640 |
long registerImpl(UnixPath dir, int events) |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
641 |
throws UnixException |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
642 |
{ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
643 |
// allocate memory for the path (file_obj->fo_name field) |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
644 |
byte[] path = dir.getByteArrayForSysCalls(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
645 |
int len = path.length; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
646 |
long name = unsafe.allocateMemory(len+1); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
647 |
unsafe.copyMemory(path, Unsafe.ARRAY_BYTE_BASE_OFFSET, null, |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
648 |
name, (long)len); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
649 |
unsafe.putByte(name + len, (byte)0); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
650 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
651 |
// allocate memory for filedatanode structure - this is the object |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
652 |
// to port_associate |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
653 |
long object = unsafe.allocateMemory(SIZEOF_FILEOBJ); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
654 |
unsafe.setMemory(null, object, SIZEOF_FILEOBJ, (byte)0); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
655 |
unsafe.putAddress(object + OFFSET_FO_NAME, name); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
656 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
657 |
// associate the object with the port |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
658 |
try { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
659 |
portAssociate(port, |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
660 |
PORT_SOURCE_FILE, |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
661 |
object, |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
662 |
events); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
663 |
} catch (UnixException x) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
664 |
// debugging |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
665 |
if (x.errno() == EAGAIN) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
666 |
System.err.println("The maximum number of objects associated "+ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
667 |
"with the port has been reached"); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
668 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
669 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
670 |
unsafe.freeMemory(name); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
671 |
unsafe.freeMemory(object); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
672 |
throw x; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
673 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
674 |
return object; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
675 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
676 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
677 |
/** |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
678 |
* Frees all resources for an file_obj object; optionally remove |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
679 |
* association from port |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
680 |
*/ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
681 |
void releaseObject(long object, boolean dissociate) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
682 |
// remove association |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
683 |
if (dissociate) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
684 |
try { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
685 |
portDissociate(port, PORT_SOURCE_FILE, object); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
686 |
} catch (UnixException x) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
687 |
// ignore |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
688 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
689 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
690 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
691 |
// free native memory |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
692 |
long name = unsafe.getAddress(object + OFFSET_FO_NAME); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
693 |
unsafe.freeMemory(name); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
694 |
unsafe.freeMemory(object); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
695 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
696 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
697 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
698 |
/** |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
699 |
* A node with native (file_obj) resources |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
700 |
*/ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
701 |
private static interface Node { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
702 |
long object(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
703 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
704 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
705 |
/** |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
706 |
* A directory node with a map of the entries in the directory |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
707 |
*/ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
708 |
private static interface DirectoryNode extends Node { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
709 |
void addChild(Path name, EntryNode node); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
710 |
void removeChild(Path name); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
711 |
EntryNode getChild(Path name); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
712 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
713 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
714 |
/** |
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|
715 |
* An implementation of a node that is an entry in a directory. |
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|
716 |
*/ |
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|
717 |
private static class EntryNode implements Node { |
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|
718 |
private final long object; |
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|
719 |
private final Path name; |
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|
720 |
private final DirectoryNode parent; |
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|
721 |
|
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6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
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|
722 |
EntryNode(long object, Path name, DirectoryNode parent) { |
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|
723 |
this.object = object; |
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|
724 |
this.name = name; |
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|
725 |
this.parent = parent; |
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|
726 |
} |
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parents:
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|
727 |
|
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changeset
|
728 |
@Override |
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|
729 |
public long object() { |
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6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
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|
730 |
return object; |
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|
731 |
} |
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changeset
|
732 |
|
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|
733 |
Path name() { |
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|
734 |
return name; |
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|
735 |
} |
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|
736 |
|
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|
737 |
DirectoryNode parent() { |
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|
738 |
return parent; |
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|
739 |
} |
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|
740 |
} |
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|
741 |
|
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|
742 |
// -- native methods -- |
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|
743 |
|
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|
744 |
private static native void init(); |
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|
745 |
|
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|
746 |
private static native int portCreate() throws UnixException; |
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|
747 |
|
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|
748 |
private static native void portAssociate(int port, int source, long object, int events) |
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|
749 |
throws UnixException; |
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|
750 |
|
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6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
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changeset
|
751 |
private static native void portDissociate(int port, int source, long object) |
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|
752 |
throws UnixException; |
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|
753 |
|
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|
754 |
private static native void portSend(int port, int events) |
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|
755 |
throws UnixException; |
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|
756 |
|
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|
757 |
private static native int portGetn(int port, long address, int max) |
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6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
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|
758 |
throws UnixException; |
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|
759 |
|
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6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
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parents:
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|
760 |
static { |
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parents:
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changeset
|
761 |
AccessController.doPrivileged(new PrivilegedAction<Void>() { |
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6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
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changeset
|
762 |
public Void run() { |
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6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
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|
763 |
System.loadLibrary("nio"); |
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parents:
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|
764 |
return null; |
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alanb
parents:
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|
765 |
}}); |
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parents:
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|
766 |
init(); |
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alanb
parents:
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|
767 |
} |
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changeset
|
768 |
} |