public RequrlQuality getQuality() {
if (getTotalValue() > configManager.getIntValue(KEY_REQUEST_QUALITY_THRESHOLD_TOTAL, 20)) {
float failedRate = getFailedPercent();
if (failedRate < configManager.getFloatValue(KEY_REQUEST_QUALITY_FAILED_PERCENT_GOOD, 1f)) {
quality = RequrlQuality.REQURL_QUALITY_GOOD;
} else if (failedRate
>= configManager.getFloatValue(KEY_REQUEST_QUALITY_FAILED_PERCENT_GOOD, 1f)
&& failedRate
< configManager.getFloatValue(KEY_REQUEST_QUALITY_FAILED_PERCENT_NORMAL, 5f)) {
quality = RequrlQuality.REQURL_QUALITY_NORNAL;
} else if (failedRate
>= configManager.getFloatValue(KEY_REQUEST_QUALITY_FAILED_PERCENT_NORMAL, 5f)) {
quality = RequrlQuality.REQURL_QUALITY_BAD;
}
}
return quality;
}
static {
configManager.getBooleanValue(KEY_REQUEST_QUALITY_AUTO, false);
configManager.getIntValue(KEY_REQUEST_QUALITY_THRESHOLD_TOTAL, 20);
configManager.getFloatValue(KEY_REQUEST_QUALITY_FAILED_PERCENT_GOOD, 1f);
configManager.getFloatValue(KEY_REQUEST_QUALITY_FAILED_PERCENT_NORMAL, 5f);
}
public int getWriteBufferLowWater() {
return configManager.getIntValue(
Constants.KEY_WRITE_BUFFER_LOW_WATER, Constants.DEFAULT_WRITE_BUFFER_LOW_WATER);
}
public class NettyClient extends AbstractClient {
private static final Logger logger = LoggerLoader.getLogger(NettyClient.class);
private ClientBootstrap bootstrap;
private Channel channel;
private String host;
private int port = ServerConfig.DEFAULT_PORT;
private String address;
private volatile boolean connected = false;
private volatile boolean closed = false;
private volatile boolean active = true;
private ConnectInfo connectInfo;
public static final int CLIENT_CONNECTIONS = Runtime.getRuntime().availableProcessors();
private static ConfigManager configManager = ConfigManagerLoader.getConfigManager();
private static ExecutorService bossExecutor =
Executors.newCachedThreadPool(new DefaultThreadFactory("Pigeon-Netty-Client-Boss"));
private static ExecutorService workExecutor =
Executors.newCachedThreadPool(new DefaultThreadFactory("Pigeon-Netty-Client-Worker"));
private static final int bossCount =
configManager.getIntValue("pigeon.invoker.netty.bosscount", 1);
private static final int workerCount =
configManager.getIntValue(
"pigeon.invoker.netty.workercount", Runtime.getRuntime().availableProcessors() * 2);
private static ChannelFactory channelFactory =
new NioClientSocketChannelFactory(bossExecutor, workExecutor, bossCount, workerCount);
private static final int connectTimeout =
configManager.getIntValue(Constants.KEY_CONNECT_TIMEOUT, Constants.DEFAULT_CONNECT_TIMEOUT);
public int getWriteBufferHighWater() {
return configManager.getIntValue(
Constants.KEY_WRITE_BUFFER_HIGH_WATER, Constants.DEFAULT_WRITE_BUFFER_HIGH_WATER);
}
public int getWriteBufferLowWater() {
return configManager.getIntValue(
Constants.KEY_WRITE_BUFFER_LOW_WATER, Constants.DEFAULT_WRITE_BUFFER_LOW_WATER);
}
public NettyClient(ConnectInfo connectInfo) {
this.host = connectInfo.getHost();
this.port = connectInfo.getPort();
this.connectInfo = connectInfo;
this.address = host + ":" + port;
this.bootstrap = new ClientBootstrap(channelFactory);
this.bootstrap.setPipelineFactory(new NettyClientPipelineFactory(this));
this.bootstrap.setOption("tcpNoDelay", true);
this.bootstrap.setOption("keepAlive", true);
this.bootstrap.setOption("reuseAddress", true);
this.bootstrap.setOption("connectTimeoutMillis", connectTimeout);
this.bootstrap.setOption("writeBufferHighWaterMark", getWriteBufferHighWater());
this.bootstrap.setOption("writeBufferLowWaterMark", getWriteBufferLowWater());
}
public synchronized void connect() {
if (this.connected) {
return;
}
logger.info("client is connecting to " + this.host + ":" + this.port);
ChannelFuture future = null;
try {
future = bootstrap.connect(new InetSocketAddress(host, port));
if (future.awaitUninterruptibly(connectTimeout, TimeUnit.MILLISECONDS)) {
if (future.isSuccess()) {
Channel newChannel = future.getChannel();
try {
// 关闭旧的连接
Channel oldChannel = this.channel;
if (oldChannel != null) {
logger.info("close old netty channel " + oldChannel);
try {
oldChannel.close();
} catch (Throwable t) {
}
}
} finally {
this.channel = newChannel;
}
logger.info("client is connected to " + this.host + ":" + this.port);
this.connected = true;
} else {
logger.info("client is not connected to " + this.host + ":" + this.port);
}
} else {
logger.info("timeout while connecting to " + this.host + ":" + this.port);
}
} catch (Throwable e) {
logger.info("error while connecting to " + this.host + ":" + this.port, e);
}
}
@Override
public InvocationResponse doWrite(InvocationRequest request, Callback callback)
throws NetworkException {
Object[] msg = new Object[] {request, callback};
ChannelFuture future = null;
if (channel == null) {
logger.error("channel is null ^^^^^^^^^^^^^^");
} else {
try {
future = channel.write(msg);
} catch (Exception e) {
throw new NetworkException("remote call failed:" + request, e);
}
if (request.getMessageType() == Constants.MESSAGE_TYPE_SERVICE
|| request.getMessageType() == Constants.MESSAGE_TYPE_HEART) {
future.addListener(new MsgWriteListener(request));
}
}
return null;
}
public void connectionException(Object attachment, Throwable e) {
this.connected = false;
connectionException(this, attachment, e);
}
private void connectionException(Client client, Object attachment, Throwable e) {
logger.info("exception while connecting to " + client, e);
if (attachment == null) {
return;
}
Object[] msg = (Object[]) attachment;
if (msg[0] instanceof InvokerContext) {
InvokerContext invokerContext = (InvokerContext) msg[0];
InvocationRequest request = invokerContext.getRequest();
if (request.getMessageType() == Constants.MESSAGE_TYPE_SERVICE && msg[1] != null) {
try {
Callback callback = (Callback) msg[1];
if (client != null) {
client.write(request, callback);
} else {
logger.error("no client found with service:" + request.getServiceName());
}
} catch (Throwable ex) {
logger.error("", ex);
}
logger.error("", e);
}
}
}
/** @return the connected */
public boolean isConnected() {
return connected;
}
public boolean isActive() {
return active && HeartBeatListener.isActiveAddress(address);
}
public void setActive(boolean active) {
this.active = active;
}
@Override
public boolean isWritable() {
return this.channel.isWritable();
}
/** @return the host */
public String getHost() {
return host;
}
public int getPort() {
return this.port;
}
/** @return the address */
public String getAddress() {
return address;
}
public boolean equals(Object obj) {
if (obj instanceof NettyClient) {
NettyClient nc = (NettyClient) obj;
return this.address.equals(nc.getAddress());
} else {
return super.equals(obj);
}
}
@Override
public int hashCode() {
return address.hashCode();
}
@Override
public void close() {
logger.info("close client:" + this.host + ":" + this.port);
closed = true;
channel.close();
}
@Override
public String toString() {
return this.getAddress() + ", connected:" + this.isConnected() + ", active:" + this.isActive();
}
public class MsgWriteListener implements ChannelFutureListener {
private InvocationRequest request;
public MsgWriteListener(InvocationRequest request) {
this.request = request;
}
public void operationComplete(ChannelFuture future) throws Exception {
if (future.isSuccess()) {
return;
}
if (request.getMessageType() != Constants.MESSAGE_TYPE_HEART) {
connected = false;
}
InvocationResponse response = ProviderUtils.createFailResponse(request, future.getCause());
processResponse(response);
}
}
@Override
public ConnectInfo getConnectInfo() {
return connectInfo;
}
@Override
public boolean isDisposable() {
return false;
}
@Override
public void dispose() {}
@Override
public String getProtocol() {
return Constants.PROTOCOL_DEFAULT;
}
}