com.litongjava.tio.client.TioClient Maven / Gradle / Ivy
package com.litongjava.tio.client;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.StandardSocketOptions;
import java.nio.channels.AsynchronousChannelGroup;
import java.nio.channels.AsynchronousSocketChannel;
import java.util.Set;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.locks.ReentrantReadWriteLock.ReadLock;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.litongjava.tio.client.intf.ClientAioHandler;
import com.litongjava.tio.core.ChannelContext;
import com.litongjava.tio.core.Node;
import com.litongjava.tio.core.Tio;
import com.litongjava.tio.core.intf.Packet;
import com.litongjava.tio.core.ssl.SslFacadeContext;
import com.litongjava.tio.core.stat.ChannelStat;
import com.litongjava.tio.utils.SystemTimer;
import com.litongjava.tio.utils.Threads;
import com.litongjava.tio.utils.hutool.StrUtil;
import com.litongjava.tio.utils.lock.SetWithLock;
/**
*
* @author tanyaowu 2017年4月1日 上午9:29:58
*/
public class TioClient {
private static Logger log = LoggerFactory.getLogger(TioClient.class);
private AsynchronousChannelGroup channelGroup;
private ClientTioConfig clientTioConfig;
/**
* @param serverIp 可以为空
* @param serverPort
* @param aioDecoder
* @param aioEncoder
* @param aioHandler
*
* @author tanyaowu
* @throws IOException
*
*/
public TioClient(final ClientTioConfig clientTioConfig) throws IOException {
super();
this.clientTioConfig = clientTioConfig;
this.channelGroup = AsynchronousChannelGroup.withThreadPool(Threads.getGroupExecutor());
startHeartbeatTask();
startReconnTask();
}
/**
*
* @param serverNode
* @throws Exception
*
* @author tanyaowu
*
*/
public void asynConnect(Node serverNode) throws Exception {
asynConnect(serverNode, null);
}
/**
*
* @param serverNode
* @param timeout
* @throws Exception
*
* @author tanyaowu
*
*/
public void asynConnect(Node serverNode, Integer timeout) throws Exception {
asynConnect(serverNode, null, null, timeout);
}
/**
*
* @param serverNode
* @param bindIp
* @param bindPort
* @param timeout
* @throws Exception
*
* @author tanyaowu
*
*/
public void asynConnect(Node serverNode, String bindIp, Integer bindPort, Integer timeout) throws Exception {
connect(serverNode, bindIp, bindPort, null, timeout, false);
}
/**
*
* @param serverNode
* @return
* @throws Exception
*
* @author tanyaowu
*
*/
public ClientChannelContext connect(Node serverNode) throws Exception {
return connect(serverNode, null);
}
/**
*
* @param serverNode
* @param timeout
* @return
* @throws Exception
* @author tanyaowu
*/
public ClientChannelContext connect(Node serverNode, Integer timeout) throws Exception {
return connect(serverNode, null, 0, timeout);
}
/**
*
* @param serverNode
* @param bindIp
* @param bindPort
* @param initClientChannelContext
* @param timeout 超时时间，单位秒
* @return
* @throws Exception
* @author tanyaowu
*/
public ClientChannelContext connect(Node serverNode, String bindIp, Integer bindPort, ClientChannelContext initClientChannelContext, Integer timeout) throws Exception {
return connect(serverNode, bindIp, bindPort, initClientChannelContext, timeout, true);
}
/**
*
* @param serverNode
* @param bindIp
* @param bindPort
* @param initClientChannelContext
* @param timeout 超时时间，单位秒
* @param isSyn true: 同步, false: 异步
* @return
* @throws Exception
* @author tanyaowu
*/
private ClientChannelContext connect(Node serverNode, String bindIp, Integer bindPort, ClientChannelContext initClientChannelContext, Integer timeout, boolean isSyn) throws Exception {
AsynchronousSocketChannel asynchronousSocketChannel = null;
ClientChannelContext channelContext = null;
boolean isReconnect = initClientChannelContext != null;
// ClientAioListener clientAioListener = clientTioConfig.getClientAioListener();
long start = SystemTimer.currTime;
asynchronousSocketChannel = AsynchronousSocketChannel.open(channelGroup);
long end = SystemTimer.currTime;
long iv = end - start;
if (iv >= 100) {
log.error("{}, open 耗时:{} ms", channelContext, iv);
}
asynchronousSocketChannel.setOption(StandardSocketOptions.TCP_NODELAY, true);
asynchronousSocketChannel.setOption(StandardSocketOptions.SO_REUSEADDR, true);
asynchronousSocketChannel.setOption(StandardSocketOptions.SO_KEEPALIVE, true);
InetSocketAddress bind = null;
if (bindPort != null && bindPort > 0) {
if (false == StrUtil.isBlank(bindIp)) {
bind = new InetSocketAddress(bindIp, bindPort);
} else {
bind = new InetSocketAddress(bindPort);
}
}
if (bind != null) {
asynchronousSocketChannel.bind(bind);
}
channelContext = initClientChannelContext;
start = SystemTimer.currTime;
InetSocketAddress inetSocketAddress = new InetSocketAddress(serverNode.getIp(), serverNode.getPort());
ConnectionCompletionVo attachment = new ConnectionCompletionVo(channelContext, this, isReconnect, asynchronousSocketChannel, serverNode, bindIp, bindPort);
if (isSyn) {
Integer realTimeout = timeout;
if (realTimeout == null) {
realTimeout = 5;
}
CountDownLatch countDownLatch = new CountDownLatch(1);
attachment.setCountDownLatch(countDownLatch);
asynchronousSocketChannel.connect(inetSocketAddress, attachment, clientTioConfig.getConnectionCompletionHandler());
boolean f = countDownLatch.await(realTimeout, TimeUnit.SECONDS);
if (f) {
return attachment.getChannelContext();
} else {
log.error("countDownLatch.await(realTimeout, TimeUnit.SECONDS) 返回false ");
return attachment.getChannelContext();
}
} else {
asynchronousSocketChannel.connect(inetSocketAddress, attachment, clientTioConfig.getConnectionCompletionHandler());
return null;
}
}
/**
*
* @param serverNode
* @param bindIp
* @param bindPort
* @param timeout 超时时间，单位秒
* @return
* @throws Exception
*
* @author tanyaowu
*
*/
public ClientChannelContext connect(Node serverNode, String bindIp, Integer bindPort, Integer timeout) throws Exception {
return connect(serverNode, bindIp, bindPort, null, timeout);
}
/**
* @return the channelGroup
*/
public AsynchronousChannelGroup getChannelGroup() {
return channelGroup;
}
/**
* @return the clientTioConfig
*/
public ClientTioConfig getClientTioConfig() {
return clientTioConfig;
}
/**
*
* @param channelContext
* @param timeout 单位秒
* @return
* @throws Exception
*
* @author tanyaowu
*
*/
public void reconnect(ClientChannelContext channelContext, Integer timeout) throws Exception {
connect(channelContext.getServerNode(), channelContext.getBindIp(), channelContext.getBindPort(), channelContext, timeout);
}
/**
* @param clientTioConfig the clientTioConfig to set
*/
public void setClientTioConfig(ClientTioConfig clientTioConfig) {
this.clientTioConfig = clientTioConfig;
}
/**
* 定时任务：发心跳
*
* @author tanyaowu
*
*/
private void startHeartbeatTask() {
final ClientGroupStat clientGroupStat = (ClientGroupStat) clientTioConfig.groupStat;
final ClientAioHandler aioHandler = clientTioConfig.getClientAioHandler();
final String id = clientTioConfig.getId();
new Thread(new Runnable() {
@Override
public void run() {
while (!clientTioConfig.isStopped()) {
// final long heartbeatTimeout = clientTioConfig.heartbeatTimeout;
if (clientTioConfig.heartbeatTimeout <= 0) {
log.warn("The user has cancelled the heartbeat sending function at the frame level, and asks the user to complete the heartbeat mechanism by himsel");
break;
}
SetWithLock setWithLock = clientTioConfig.connecteds;
ReadLock readLock = setWithLock.readLock();
readLock.lock();
try {
Set set = setWithLock.getObj();
long currtime = SystemTimer.currTime;
for (ChannelContext entry : set) {
ClientChannelContext channelContext = (ClientChannelContext) entry;
if (channelContext.isClosed || channelContext.isRemoved) {
continue;
}
ChannelStat stat = channelContext.stat;
long compareTime = Math.max(stat.latestTimeOfReceivedByte, stat.latestTimeOfSentPacket);
long interval = currtime - compareTime;
if (interval >= clientTioConfig.heartbeatTimeout / 2) {
Packet packet = aioHandler.heartbeatPacket(channelContext);
if (packet != null) {
if (log.isInfoEnabled()) {
log.info("{}发送心跳包", channelContext.toString());
}
Tio.send(channelContext, packet);
}
}
}
if (log.isInfoEnabled()) {
log.info("[{}]: curr:{}, closed:{}, received:({}p)({}b), handled:{}, sent:({}p)({}b)", id, set.size(), clientGroupStat.closed.get(), clientGroupStat.receivedPackets.get(),
clientGroupStat.receivedBytes.get(), clientGroupStat.handledPackets.get(), clientGroupStat.sentPackets.get(), clientGroupStat.sentBytes.get());
}
} catch (Throwable e) {
log.error("", e);
} finally {
try {
readLock.unlock();
Thread.sleep(clientTioConfig.heartbeatTimeout / 4);
} catch (Throwable e) {
log.error(e.toString(), e);
} finally {
}
}
}
}
}, "tio-timer-heartbeat" + id).start();
}
/**
* 启动重连任务
*
* @author tanyaowu
*
*/
private void startReconnTask() {
final ReconnConf reconnConf = clientTioConfig.getReconnConf();
if (reconnConf == null || reconnConf.getInterval() <= 0) {
return;
}
final String id = clientTioConfig.getId();
Thread thread = new Thread(new Runnable() {
@Override
public void run() {
while (!clientTioConfig.isStopped()) {
log.error("closeds:{}, connections:{}", clientTioConfig.closeds.size(), clientTioConfig.connections.size());
// log.info("准备重连");
LinkedBlockingQueue queue = reconnConf.getQueue();
ClientChannelContext channelContext = null;
try {
channelContext = (ClientChannelContext) queue.take();
} catch (InterruptedException e1) {
log.error(e1.toString(), e1);
}
if (channelContext == null) {
continue;
// return;
}
if (channelContext.isRemoved) // 已经删除的，不需要重新再连
{
continue;
}
SslFacadeContext sslFacadeContext = channelContext.sslFacadeContext;
if (sslFacadeContext != null) {
sslFacadeContext.setHandshakeCompleted(false);
}
long sleeptime = reconnConf.getInterval() - (SystemTimer.currTime - channelContext.stat.timeInReconnQueue);
// log.info("sleeptime:{}, closetime:{}", sleeptime, timeInReconnQueue);
if (sleeptime > 0) {
try {
Thread.sleep(sleeptime);
} catch (InterruptedException e) {
log.error(e.toString(), e);
}
}
if (channelContext.isRemoved || !channelContext.isClosed) // 已经删除的和已经连上的，不需要重新再连
{
continue;
} else {
ReconnRunnable runnable = channelContext.getReconnRunnable();
if (runnable == null) {
synchronized (channelContext) {
runnable = channelContext.getReconnRunnable();
if (runnable == null) {
runnable = new ReconnRunnable(channelContext, TioClient.this, reconnConf.getThreadPoolExecutor());
channelContext.setReconnRunnable(runnable);
}
}
}
runnable.execute();
// reconnConf.getThreadPoolExecutor().execute(runnable);
}
}
}
});
thread.setName("tio-timer-reconnect-" + id);
thread.setDaemon(true);
thread.start();
}
/**
*
* @return
* @author tanyaowu
*/
public boolean stop() {
boolean ret = true;
Threads.close();
log.info("client resource has released");
return ret;
}
}
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