void add(Target t) {
SocketChannel sc = null;
try {
sc = SocketChannel.open();
sc.configureBlocking(false);
boolean connected = sc.connect(t.address);
t.channel = sc;
t.connectStart = System.currentTimeMillis();
if (connected) {
t.connectFinish = t.connectStart;
sc.close();
printer.add(t);
} else {
synchronized (pending) {
pending.add(t);
}
sel.wakeup();
}
} catch (IOException x) {
if (sc != null) {
try {
sc.close();
} catch (IOException xx) {
}
}
t.failure = x;
printer.add(t);
}
}
void processSelectedKeys() throws IOException {
for (Iterator i = sel.selectedKeys().iterator(); i.hasNext(); ) {
SelectionKey sk = (SelectionKey) i.next();
i.remove();
Target t = (Target) sk.attachment();
SocketChannel sc = (SocketChannel) sk.channel();
try {
if (sc.finishConnect()) {
sk.cancel();
t.connectFinish = System.currentTimeMillis();
sc.close();
printer.add(t);
}
} catch (IOException x) {
sc.close();
t.failure = x;
printer.add(t);
}
}
}
void processPendingTargets() throws IOException {
synchronized (pending) {
while (pending.size() > 0) {
Target t = (Target) pending.removeFirst();
try {
t.channel.register(sel, SelectionKey.OP_CONNECT, t);
} catch (IOException x) {
t.channel.close();
t.failure = x;
printer.add(t);
}
}
}
}