void isWritable(SelectionKey k) {
EventableChannel ec = (EventableChannel) k.attachment();
long b = ec.getBinding();
if (ec.isWatchOnly()) {
if (ec.isNotifyWritable()) eventCallback(b, EM_CONNECTION_NOTIFY_WRITABLE, null);
} else {
try {
if (!ec.writeOutboundData()) UnboundConnections.add(b);
} catch (IOException e) {
UnboundConnections.add(b);
}
}
}
void close() {
try {
if (mySelector != null) mySelector.close();
} catch (IOException e) {
}
mySelector = null;
// run down open connections and sockets.
Iterator<ServerSocketChannel> i = Acceptors.values().iterator();
while (i.hasNext()) {
try {
i.next().close();
} catch (IOException e) {
}
}
// 29Sep09: We create an ArrayList of the existing connections, then iterate over
// that to call unbind on them. This is because an unbind can trigger a reconnect,
// which will add to the Connections HashMap, causing a ConcurrentModificationException.
// XXX: The correct behavior here would be to latch the various reactor methods to return
// immediately if the reactor is shutting down.
ArrayList<EventableChannel> conns = new ArrayList<EventableChannel>();
Iterator<EventableChannel> i2 = Connections.values().iterator();
while (i2.hasNext()) {
EventableChannel ec = i2.next();
if (ec != null) {
conns.add(ec);
}
}
Connections.clear();
ListIterator<EventableChannel> i3 = conns.listIterator(0);
while (i3.hasNext()) {
EventableChannel ec = i3.next();
eventCallback(ec.getBinding(), EM_CONNECTION_UNBOUND, null);
ec.close();
EventableSocketChannel sc = (EventableSocketChannel) ec;
if (sc != null && sc.isAttached()) DetachedConnections.add(sc);
}
ListIterator<EventableSocketChannel> i4 = DetachedConnections.listIterator(0);
while (i4.hasNext()) {
EventableSocketChannel ec = i4.next();
ec.cleanup();
}
DetachedConnections.clear();
}
void removeUnboundConnections() {
ListIterator<Long> iter = UnboundConnections.listIterator(0);
while (iter.hasNext()) {
long b = iter.next();
EventableChannel ec = Connections.remove(b);
if (ec != null) {
eventCallback(b, EM_CONNECTION_UNBOUND, null);
ec.close();
EventableSocketChannel sc = (EventableSocketChannel) ec;
if (sc != null && sc.isAttached()) DetachedConnections.add(sc);
}
}
UnboundConnections.clear();
}
void isReadable(SelectionKey k) {
EventableChannel ec = (EventableChannel) k.attachment();
long b = ec.getBinding();
if (ec.isWatchOnly()) {
if (ec.isNotifyReadable()) eventCallback(b, EM_CONNECTION_NOTIFY_READABLE, null);
} else {
myReadBuffer.clear();
try {
ec.readInboundData(myReadBuffer);
myReadBuffer.flip();
if (myReadBuffer.limit() > 0) {
if (ProxyConnections != null) {
EventableChannel target = ProxyConnections.get(b);
if (target != null) {
ByteBuffer myWriteBuffer = ByteBuffer.allocate(myReadBuffer.limit());
myWriteBuffer.put(myReadBuffer);
myWriteBuffer.flip();
target.scheduleOutboundData(myWriteBuffer);
} else {
eventCallback(b, EM_CONNECTION_READ, myReadBuffer);
}
} else {
eventCallback(b, EM_CONNECTION_READ, myReadBuffer);
}
}
} catch (IOException e) {
UnboundConnections.add(b);
}
}
}
void isReadable(SelectionKey k) {
EventableChannel ec = (EventableChannel) k.attachment();
long b = ec.getBinding();
if (ec.isWatchOnly()) {
if (ec.isNotifyReadable()) eventCallback(b, EM_CONNECTION_NOTIFY_READABLE, null);
} else {
myReadBuffer.clear();
try {
ec.readInboundData(myReadBuffer);
myReadBuffer.flip();
if (myReadBuffer.limit() > 0) eventCallback(b, EM_CONNECTION_READ, myReadBuffer);
} catch (IOException e) {
UnboundConnections.add(b);
}
}
}
void removeUnboundConnections() {
if (UnboundConnections.size() == 0) {
return;
}
ArrayList<Long> currentUnboundConnections = UnboundConnections;
// fix concurrent modification exception
UnboundConnections = new ArrayList<Long>();
for (long b : currentUnboundConnections) {
EventableChannel ec = Connections.remove(b);
if (ec != null) {
if (ProxyConnections != null) {
ProxyConnections.remove(b);
}
eventCallback(b, EM_CONNECTION_UNBOUND, null);
ec.close();
EventableSocketChannel sc = (EventableSocketChannel) ec;
if (sc != null && sc.isAttached()) DetachedConnections.add(sc);
}
}
}
void addNewConnections() {
ListIterator<EventableSocketChannel> iter = DetachedConnections.listIterator(0);
while (iter.hasNext()) {
EventableSocketChannel ec = iter.next();
ec.cleanup();
}
DetachedConnections.clear();
ListIterator<Long> iter2 = NewConnections.listIterator(0);
while (iter2.hasNext()) {
long b = iter2.next();
EventableChannel ec = Connections.get(b);
if (ec != null) {
try {
ec.register();
} catch (ClosedChannelException e) {
UnboundConnections.add(ec.getBinding());
}
}
}
NewConnections.clear();
}
public void closeConnection(long sig, boolean afterWriting) {
EventableChannel ec = Connections.get(sig);
if (ec != null) if (ec.scheduleClose(afterWriting)) UnboundConnections.add(sig);
}
public void sendData(long sig, ByteBuffer bb) throws IOException {
EventableChannel channel = Connections.get(sig);
if (channel != null) {
channel.scheduleOutboundData(bb);
}
}