private void handle(SelectionKey key) throws IOException {
// TODO Auto-generated method stub
ServerSocketChannel server = null;
SocketChannel client = null;
String receiveText = null;
int count = 0;
if (key.isAcceptable()) {
// client require accept events
server = (ServerSocketChannel) key.channel();
client = server.accept();
client.configureBlocking(false);
client.register(selector, SelectionKey.OP_READ);
} else if (key.isReadable()) {
// 如果是read事件，则直接读取
client = (SocketChannel) key.channel();
recBuffer.clear();
count = client.read(recBuffer);
if (count > 0) {
recBuffer.flip();
receiveText = decode.decode(recBuffer.asReadOnlyBuffer()).toString();
System.out.println(client.toString() + ":" + receiveText);
sendBuffer.clear();
sendBuffer.put((sdf.format(new Date()) + "服务器收到你的消息").getBytes());
sendBuffer.flip();
client.write(sendBuffer);
dispatch(client, receiveText);
client = (SocketChannel) key.channel();
client.register(selector, SelectionKey.OP_READ);
}
}
}
protected void handleListenEvent(SelectionKey key, ServerSocketChannel ssc) throws IOException {
SocketChannel sock = listenSock.accept();
log.info("Switch connected from {}", sock.toString());
sock.socket().setTcpNoDelay(this.noDelay);
sock.configureBlocking(false);
sock.socket().setSendBufferSize(1024 * 1024);
OFSwitchImpl sw = new OFSwitchImpl();
// Try to even the # of switches per thread
// TODO something more intelligent here based on load
IOLoop sl = null;
for (IOLoop loop : switchIOLoops) {
if (sl == null || loop.getStreams().size() < sl.getStreams().size()) sl = loop;
}
// register initially with no ops because we need the key to init the stream
SelectionKey switchKey = sl.registerBlocking(sock, 0, sw);
OFStream stream = new OFStream(sock, factory, switchKey, sl);
stream.setImmediate(this.immediate);
sw.setInputStream(stream);
sw.setOutputStream(stream);
sw.setSocketChannel(sock);
sw.setBeaconProvider(this);
sw.transitionToState(OFSwitchState.HELLO_SENT);
addSwitch(sw);
// Send HELLO
stream.write(factory.getMessage(OFType.HELLO));
// register for read
switchKey.interestOps(SelectionKey.OP_READ);
sl.addStream(stream);
log.info("Added switch {} to IOLoop {}", sw, sl);
sl.wakeup();
}
