下面列出了java.nio.channels.SelectableChannel#isOpen() 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
private void handleIOException(SelectionKey key, WebSocket conn, IOException ex) {
// onWebsocketError( conn, ex );// conn may be null here
if (conn != null) {
conn.closeConnection(CloseFrame.ABNORMAL_CLOSE, ex.getMessage());
} else if (key != null) {
SelectableChannel channel = key.channel();
if (channel != null && channel.isOpen()) { // this could be the case if the
// IOException ex is a SSLException
try {
channel.close();
} catch (IOException e) {
// there is nothing that must be done here
}
if (WebSocketImpl.DEBUG) {
System.out.println("Connection closed because of " + ex);
}
}
}
}
private void handleIOException( SelectionKey key, WebSocket conn, IOException ex ) {
// onWebsocketError( conn, ex );// conn may be null here
if( conn != null ) {
conn.closeConnection( CloseFrame.ABNORMAL_CLOSE, ex.getMessage() );
} else if( key != null ) {
SelectableChannel channel = key.channel();
if( channel != null && channel.isOpen() ) { // this could be the case if the IOException ex is a SSLException
try {
channel.close();
} catch ( IOException e ) {
// there is nothing that must be done here
}
if( WebSocketImpl.DEBUG )
System.out.println("Connection closed because of " + ex);
}
}
}
protected void implDereg(SelectionKeyImpl ski) throws IOException{
int i = ski.getIndex();
assert (i >= 0);
synchronized (closeLock) {
if (i != totalChannels - 1) {
// Copy end one over it
SelectionKeyImpl endChannel = channelArray[totalChannels-1];
channelArray[i] = endChannel;
endChannel.setIndex(i);
pollWrapper.replaceEntry(pollWrapper, totalChannels - 1,
pollWrapper, i);
}
ski.setIndex(-1);
}
channelArray[totalChannels - 1] = null;
totalChannels--;
if ( totalChannels != 1 && totalChannels % MAX_SELECTABLE_FDS == 1) {
totalChannels--;
threadsCount--; // The last thread has become redundant.
}
fdMap.remove(ski); // Remove the key from fdMap, keys and selectedKeys
keys.remove(ski);
selectedKeys.remove(ski);
deregister(ski);
SelectableChannel selch = ski.channel();
if (!selch.isOpen() && !selch.isRegistered())
((SelChImpl)selch).kill();
}
protected void implDereg(SelectionKeyImpl ski) throws IOException{
int i = ski.getIndex();
assert (i >= 0);
synchronized (closeLock) {
if (i != totalChannels - 1) {
// Copy end one over it
SelectionKeyImpl endChannel = channelArray[totalChannels-1];
channelArray[i] = endChannel;
endChannel.setIndex(i);
pollWrapper.replaceEntry(pollWrapper, totalChannels - 1,
pollWrapper, i);
}
ski.setIndex(-1);
}
channelArray[totalChannels - 1] = null;
totalChannels--;
if ( totalChannels != 1 && totalChannels % MAX_SELECTABLE_FDS == 1) {
totalChannels--;
threadsCount--; // The last thread has become redundant.
}
fdMap.remove(ski); // Remove the key from fdMap, keys and selectedKeys
keys.remove(ski);
selectedKeys.remove(ski);
deregister(ski);
SelectableChannel selch = ski.channel();
if (!selch.isOpen() && !selch.isRegistered())
((SelChImpl)selch).kill();
}
protected void implDereg(SelectionKeyImpl ski) throws IOException{
int i = ski.getIndex();
assert (i >= 0);
synchronized (closeLock) {
if (i != totalChannels - 1) {
// Copy end one over it
SelectionKeyImpl endChannel = channelArray[totalChannels-1];
channelArray[i] = endChannel;
endChannel.setIndex(i);
pollWrapper.replaceEntry(pollWrapper, totalChannels - 1,
pollWrapper, i);
}
ski.setIndex(-1);
}
channelArray[totalChannels - 1] = null;
totalChannels--;
if ( totalChannels != 1 && totalChannels % MAX_SELECTABLE_FDS == 1) {
totalChannels--;
threadsCount--; // The last thread has become redundant.
}
fdMap.remove(ski); // Remove the key from fdMap, keys and selectedKeys
keys.remove(ski);
selectedKeys.remove(ski);
deregister(ski);
SelectableChannel selch = ski.channel();
if (!selch.isOpen() && !selch.isRegistered())
((SelChImpl)selch).kill();
}
protected void implClose() throws IOException {
synchronized (closeLock) {
if (channelArray != null) {
if (pollWrapper != null) {
// prevent further wakeup
synchronized (interruptLock) {
interruptTriggered = true;
}
wakeupPipe.sink().close();
wakeupPipe.source().close();
for(int i = 1; i < totalChannels; i++) { // Deregister channels
if (i % MAX_SELECTABLE_FDS != 0) { // skip wakeupEvent
deregister(channelArray[i]);
SelectableChannel selch = channelArray[i].channel();
if (!selch.isOpen() && !selch.isRegistered())
((SelChImpl)selch).kill();
}
}
pollWrapper.free();
pollWrapper = null;
selectedKeys = null;
channelArray = null;
// Make all remaining helper threads exit
for (SelectThread t: threads)
t.makeZombie();
startLock.startThreads();
}
}
}
}
protected void implDereg(SelectionKeyImpl ski) throws IOException{
int i = ski.getIndex();
assert (i >= 0);
synchronized (closeLock) {
if (i != totalChannels - 1) {
// Copy end one over it
SelectionKeyImpl endChannel = channelArray[totalChannels-1];
channelArray[i] = endChannel;
endChannel.setIndex(i);
pollWrapper.replaceEntry(pollWrapper, totalChannels - 1,
pollWrapper, i);
}
ski.setIndex(-1);
}
channelArray[totalChannels - 1] = null;
totalChannels--;
if ( totalChannels != 1 && totalChannels % MAX_SELECTABLE_FDS == 1) {
totalChannels--;
threadsCount--; // The last thread has become redundant.
}
fdMap.remove(ski); // Remove the key from fdMap, keys and selectedKeys
keys.remove(ski);
selectedKeys.remove(ski);
deregister(ski);
SelectableChannel selch = ski.channel();
if (!selch.isOpen() && !selch.isRegistered())
((SelChImpl)selch).kill();
}
protected void implClose() throws IOException {
synchronized (closeLock) {
if (channelArray != null) {
if (pollWrapper != null) {
// prevent further wakeup
synchronized (interruptLock) {
interruptTriggered = true;
}
wakeupPipe.sink().close();
wakeupPipe.source().close();
for(int i = 1; i < totalChannels; i++) { // Deregister channels
if (i % MAX_SELECTABLE_FDS != 0) { // skip wakeupEvent
deregister(channelArray[i]);
SelectableChannel selch = channelArray[i].channel();
if (!selch.isOpen() && !selch.isRegistered())
((SelChImpl)selch).kill();
}
}
pollWrapper.free();
pollWrapper = null;
selectedKeys = null;
channelArray = null;
// Make all remaining helper threads exit
for (SelectThread t: threads)
t.makeZombie();
startLock.startThreads();
subSelector.freeFDSetBuffer();
}
}
}
}
protected void implDereg(SelectionKeyImpl ski) throws IOException{
int i = ski.getIndex();
assert (i >= 0);
synchronized (closeLock) {
if (i != totalChannels - 1) {
// Copy end one over it
SelectionKeyImpl endChannel = channelArray[totalChannels-1];
channelArray[i] = endChannel;
endChannel.setIndex(i);
pollWrapper.replaceEntry(pollWrapper, totalChannels - 1,
pollWrapper, i);
}
ski.setIndex(-1);
}
channelArray[totalChannels - 1] = null;
totalChannels--;
if ( totalChannels != 1 && totalChannels % MAX_SELECTABLE_FDS == 1) {
totalChannels--;
threadsCount--; // The last thread has become redundant.
}
fdMap.remove(ski); // Remove the key from fdMap, keys and selectedKeys
keys.remove(ski);
selectedKeys.remove(ski);
deregister(ski);
SelectableChannel selch = ski.channel();
if (!selch.isOpen() && !selch.isRegistered())
((SelChImpl)selch).kill();
}
protected void implClose() throws IOException {
synchronized (closeLock) {
if (channelArray != null) {
if (pollWrapper != null) {
// prevent further wakeup
synchronized (interruptLock) {
interruptTriggered = true;
}
wakeupPipe.sink().close();
wakeupPipe.source().close();
for(int i = 1; i < totalChannels; i++) { // Deregister channels
if (i % MAX_SELECTABLE_FDS != 0) { // skip wakeupEvent
deregister(channelArray[i]);
SelectableChannel selch = channelArray[i].channel();
if (!selch.isOpen() && !selch.isRegistered())
((SelChImpl)selch).kill();
}
}
pollWrapper.free();
pollWrapper = null;
selectedKeys = null;
channelArray = null;
// Make all remaining helper threads exit
for (SelectThread t: threads)
t.makeZombie();
startLock.startThreads();
}
}
}
}
protected void implDereg(SelectionKeyImpl ski) throws IOException{
int i = ski.getIndex();
assert (i >= 0);
synchronized (closeLock) {
if (i != totalChannels - 1) {
// Copy end one over it
SelectionKeyImpl endChannel = channelArray[totalChannels-1];
channelArray[i] = endChannel;
endChannel.setIndex(i);
pollWrapper.replaceEntry(pollWrapper, totalChannels - 1,
pollWrapper, i);
}
ski.setIndex(-1);
}
channelArray[totalChannels - 1] = null;
totalChannels--;
if ( totalChannels != 1 && totalChannels % MAX_SELECTABLE_FDS == 1) {
totalChannels--;
threadsCount--; // The last thread has become redundant.
}
fdMap.remove(ski); // Remove the key from fdMap, keys and selectedKeys
keys.remove(ski);
selectedKeys.remove(ski);
deregister(ski);
SelectableChannel selch = ski.channel();
if (!selch.isOpen() && !selch.isRegistered())
((SelChImpl)selch).kill();
}
protected void implClose() throws IOException {
synchronized (closeLock) {
if (channelArray != null) {
if (pollWrapper != null) {
// prevent further wakeup
synchronized (interruptLock) {
interruptTriggered = true;
}
wakeupPipe.sink().close();
wakeupPipe.source().close();
for(int i = 1; i < totalChannels; i++) { // Deregister channels
if (i % MAX_SELECTABLE_FDS != 0) { // skip wakeupEvent
deregister(channelArray[i]);
SelectableChannel selch = channelArray[i].channel();
if (!selch.isOpen() && !selch.isRegistered())
((SelChImpl)selch).kill();
}
}
pollWrapper.free();
pollWrapper = null;
selectedKeys = null;
channelArray = null;
// Make all remaining helper threads exit
for (SelectThread t: threads)
t.makeZombie();
startLock.startThreads();
}
}
}
}
protected void implDereg(SelectionKeyImpl ski) throws IOException{
int i = ski.getIndex();
assert (i >= 0);
synchronized (closeLock) {
if (i != totalChannels - 1) {
// Copy end one over it
SelectionKeyImpl endChannel = channelArray[totalChannels-1];
channelArray[i] = endChannel;
endChannel.setIndex(i);
pollWrapper.replaceEntry(pollWrapper, totalChannels - 1,
pollWrapper, i);
}
ski.setIndex(-1);
}
channelArray[totalChannels - 1] = null;
totalChannels--;
if ( totalChannels != 1 && totalChannels % MAX_SELECTABLE_FDS == 1) {
totalChannels--;
threadsCount--; // The last thread has become redundant.
}
fdMap.remove(ski); // Remove the key from fdMap, keys and selectedKeys
keys.remove(ski);
selectedKeys.remove(ski);
deregister(ski);
SelectableChannel selch = ski.channel();
if (!selch.isOpen() && !selch.isRegistered())
((SelChImpl)selch).kill();
}
protected void implClose() throws IOException {
synchronized (closeLock) {
if (channelArray != null) {
if (pollWrapper != null) {
// prevent further wakeup
synchronized (interruptLock) {
interruptTriggered = true;
}
wakeupPipe.sink().close();
wakeupPipe.source().close();
for(int i = 1; i < totalChannels; i++) { // Deregister channels
if (i % MAX_SELECTABLE_FDS != 0) { // skip wakeupEvent
deregister(channelArray[i]);
SelectableChannel selch = channelArray[i].channel();
if (!selch.isOpen() && !selch.isRegistered())
((SelChImpl)selch).kill();
}
}
pollWrapper.free();
pollWrapper = null;
selectedKeys = null;
channelArray = null;
// Make all remaining helper threads exit
for (SelectThread t: threads)
t.makeZombie();
startLock.startThreads();
}
}
}
}
protected void implClose() throws IOException {
synchronized (closeLock) {
if (channelArray != null) {
if (pollWrapper != null) {
// prevent further wakeup
synchronized (interruptLock) {
interruptTriggered = true;
}
wakeupPipe.sink().close();
wakeupPipe.source().close();
for(int i = 1; i < totalChannels; i++) { // Deregister channels
if (i % MAX_SELECTABLE_FDS != 0) { // skip wakeupEvent
deregister(channelArray[i]);
SelectableChannel selch = channelArray[i].channel();
if (!selch.isOpen() && !selch.isRegistered())
((SelChImpl)selch).kill();
}
}
pollWrapper.free();
pollWrapper = null;
selectedKeys = null;
channelArray = null;
// Make all remaining helper threads exit
for (SelectThread t: threads)
t.makeZombie();
startLock.startThreads();
subSelector.freeFDSetBuffer();
}
}
}
}
protected void implClose() throws IOException {
synchronized (closeLock) {
if (channelArray != null) {
if (pollWrapper != null) {
// prevent further wakeup
synchronized (interruptLock) {
interruptTriggered = true;
}
wakeupPipe.sink().close();
wakeupPipe.source().close();
for(int i = 1; i < totalChannels; i++) { // Deregister channels
if (i % MAX_SELECTABLE_FDS != 0) { // skip wakeupEvent
deregister(channelArray[i]);
SelectableChannel selch = channelArray[i].channel();
if (!selch.isOpen() && !selch.isRegistered())
((SelChImpl)selch).kill();
}
}
pollWrapper.free();
pollWrapper = null;
selectedKeys = null;
channelArray = null;
// Make all remaining helper threads exit
for (SelectThread t: threads)
t.makeZombie();
startLock.startThreads();
}
}
}
}
protected void implDereg(SelectionKeyImpl ski) throws IOException{
int i = ski.getIndex();
assert (i >= 0);
synchronized (closeLock) {
if (i != totalChannels - 1) {
// Copy end one over it
SelectionKeyImpl endChannel = channelArray[totalChannels-1];
channelArray[i] = endChannel;
endChannel.setIndex(i);
pollWrapper.replaceEntry(pollWrapper, totalChannels - 1,
pollWrapper, i);
}
ski.setIndex(-1);
}
channelArray[totalChannels - 1] = null;
totalChannels--;
if ( totalChannels != 1 && totalChannels % MAX_SELECTABLE_FDS == 1) {
totalChannels--;
threadsCount--; // The last thread has become redundant.
}
fdMap.remove(ski); // Remove the key from fdMap, keys and selectedKeys
keys.remove(ski);
selectedKeys.remove(ski);
deregister(ski);
SelectableChannel selch = ski.channel();
if (!selch.isOpen() && !selch.isRegistered())
((SelChImpl)selch).kill();
}
protected void implClose() throws IOException {
synchronized (closeLock) {
if (channelArray != null) {
if (pollWrapper != null) {
// prevent further wakeup
synchronized (interruptLock) {
interruptTriggered = true;
}
wakeupPipe.sink().close();
wakeupPipe.source().close();
for(int i = 1; i < totalChannels; i++) { // Deregister channels
if (i % MAX_SELECTABLE_FDS != 0) { // skip wakeupEvent
deregister(channelArray[i]);
SelectableChannel selch = channelArray[i].channel();
if (!selch.isOpen() && !selch.isRegistered())
((SelChImpl)selch).kill();
}
}
pollWrapper.free();
pollWrapper = null;
selectedKeys = null;
channelArray = null;
// Make all remaining helper threads exit
for (SelectThread t: threads)
t.makeZombie();
startLock.startThreads();
}
}
}
}
protected void implDereg(SelectionKeyImpl ski) throws IOException{
int i = ski.getIndex();
assert (i >= 0);
synchronized (closeLock) {
if (i != totalChannels - 1) {
// Copy end one over it
SelectionKeyImpl endChannel = channelArray[totalChannels-1];
channelArray[i] = endChannel;
endChannel.setIndex(i);
pollWrapper.replaceEntry(pollWrapper, totalChannels - 1,
pollWrapper, i);
}
ski.setIndex(-1);
}
channelArray[totalChannels - 1] = null;
totalChannels--;
if ( totalChannels != 1 && totalChannels % MAX_SELECTABLE_FDS == 1) {
totalChannels--;
threadsCount--; // The last thread has become redundant.
}
fdMap.remove(ski); // Remove the key from fdMap, keys and selectedKeys
keys.remove(ski);
selectedKeys.remove(ski);
deregister(ski);
SelectableChannel selch = ski.channel();
if (!selch.isOpen() && !selch.isRegistered())
((SelChImpl)selch).kill();
}
protected void implClose() throws IOException {
synchronized (closeLock) {
if (channelArray != null) {
if (pollWrapper != null) {
// prevent further wakeup
synchronized (interruptLock) {
interruptTriggered = true;
}
wakeupPipe.sink().close();
wakeupPipe.source().close();
for(int i = 1; i < totalChannels; i++) { // Deregister channels
if (i % MAX_SELECTABLE_FDS != 0) { // skip wakeupEvent
deregister(channelArray[i]);
SelectableChannel selch = channelArray[i].channel();
if (!selch.isOpen() && !selch.isRegistered())
((SelChImpl)selch).kill();
}
}
pollWrapper.free();
pollWrapper = null;
selectedKeys = null;
channelArray = null;
// Make all remaining helper threads exit
for (SelectThread t: threads)
t.makeZombie();
startLock.startThreads();
}
}
}
}