public static void warn(Logger logger, Throwable e) {
if (logger == null) {
return;
}
if (logger.isWarnEnabled()) {
logger.warn(e);
}
}
public static void warn(Logger logger, String msg) {
if (logger == null) {
return;
}
if (logger.isWarnEnabled()) {
logger.warn(msg);
}
}
protected Object decode(Channel channel, ChannelBuffer buffer, int readable, byte[] header)
throws IOException {
// check magic number.
if (readable > 0 && header[0] != MAGIC_HIGH || readable > 1 && header[1] != MAGIC_LOW) {
int length = header.length;
if (header.length < readable) {
header = Bytes.copyOf(header, readable);
buffer.readBytes(header, length, readable - length);
}
for (int i = 1; i < header.length - 1; i++) {
if (header[i] == MAGIC_HIGH && header[i + 1] == MAGIC_LOW) {
buffer.readerIndex(buffer.readerIndex() - header.length + i);
header = Bytes.copyOf(header, i);
break;
}
}
return super.decode(channel, buffer, readable, header);
}
// check length.
if (readable < HEADER_LENGTH) {
return DecodeResult.NEED_MORE_INPUT;
}
// get data length.
int len = Bytes.bytes2int(header, 12);
checkPayload(channel, len);
int tt = len + HEADER_LENGTH;
if (readable < tt) {
return DecodeResult.NEED_MORE_INPUT;
}
// limit input stream.
ChannelBufferInputStream is = new ChannelBufferInputStream(buffer, len);
try {
return decodeBody(channel, is, header);
} finally {
if (is.available() > 0) {
try {
if (logger.isWarnEnabled()) {
logger.warn("Skip input stream " + is.available());
}
StreamUtils.skipUnusedStream(is);
} catch (IOException e) {
logger.warn(e.getMessage(), e);
}
}
}
}
private void doNotify(
Jedis jedis, Collection<String> keys, URL url, Collection<NotifyListener> listeners) {
if (keys == null || keys.size() == 0 || listeners == null || listeners.size() == 0) {
return;
}
long now = System.currentTimeMillis();
List<URL> result = new ArrayList<URL>();
List<String> categories =
Arrays.asList(url.getParameter(Constants.CATEGORY_KEY, new String[0]));
String consumerService = url.getServiceInterface();
for (String key : keys) {
if (!Constants.ANY_VALUE.equals(consumerService)) {
String prvoiderService = RedisRegistryUtil.toServiceName(key, root);
if (!prvoiderService.equals(consumerService)) {
continue;
}
}
String category = RedisRegistryUtil.toCategoryName(key);
if (!categories.contains(Constants.ANY_VALUE) && !categories.contains(category)) {
continue;
}
Map<String, String> values = jedis.hgetAll(key);
List<URL> urls = RedisRegistryUtil.getUrlsForDoNotify(url, now, values);
if (urls.isEmpty()) {
urls.add(RedisRegistryUtil.setUrlProperties(url, key, category, root));
}
result.addAll(urls);
if (logger.isWarnEnabled()) {
logger.warn("redis notify: " + key + " = " + urls);
}
}
if (result == null || result.size() == 0) {
return;
}
for (NotifyListener listener : listeners) {
notify(url, listener, result);
}
}
