void processIO() {
Iterator<SelectionKey> it = mySelector.selectedKeys().iterator();
while (it.hasNext()) {
SelectionKey k = it.next();
it.remove();
if (k.isConnectable()) isConnectable(k);
else if (k.isAcceptable()) isAcceptable(k);
else {
if (k.isWritable()) isWritable(k);
if (k.isReadable()) isReadable(k);
}
}
}
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 isConnectable(SelectionKey k) {
EventableSocketChannel ec = (EventableSocketChannel) k.attachment();
long b = ec.getBinding();
try {
if (ec.finishConnecting()) eventCallback(b, EM_CONNECTION_COMPLETED, null);
else UnboundConnections.add(b);
} catch (IOException e) {
UnboundConnections.add(b);
}
}
void isAcceptable(SelectionKey k) {
ServerSocketChannel ss = (ServerSocketChannel) k.channel();
SocketChannel sn;
long b;
for (int n = 0; n < 10; n++) {
try {
sn = ss.accept();
if (sn == null) break;
} catch (IOException e) {
e.printStackTrace();
k.cancel();
ServerSocketChannel server = Acceptors.remove(k.attachment());
if (server != null)
try {
server.close();
} catch (IOException ex) {
}
;
break;
}
try {
sn.configureBlocking(false);
} catch (IOException e) {
e.printStackTrace();
continue;
}
b = createBinding();
EventableSocketChannel ec = new EventableSocketChannel(sn, b, mySelector);
Connections.put(b, ec);
NewConnections.add(b);
eventCallback(((Long) k.attachment()).longValue(), EM_CONNECTION_ACCEPTED, null, b);
}
}
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 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);
}
}
}