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);
}
}
public void processSelectedKeys() throws IOException {
// 处理连接就绪事件
for (Iterator it = selector.selectedKeys().iterator(); it.hasNext(); ) {
SelectionKey selectionKey = (SelectionKey) it.next();
it.remove();
Target target = (Target) selectionKey.attachment();
SocketChannel socketChannel = (SocketChannel) selectionKey.channel();
try {
if (socketChannel.finishConnect()) {
selectionKey.cancel();
target.connectFinish = System.currentTimeMillis();
socketChannel.close();
addFinishedTarget(target);
}
} catch (IOException x) {
socketChannel.close();
target.failure = x;
addFinishedTarget(target);
}
}
}
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);
}
}
}