MessageSender.java
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package com.bsth.socket.manager;
import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.bsth.socket.protocol.Message;
import com.bsth.util.AckUtil;
/**
* @author Hill
*/
public class MessageSender {
private final static Logger log = LoggerFactory.getLogger(MessageSender.class);
private static MessageSender sender = new MessageSender();
private ConcurrentLinkedQueue<Message> queue = new ConcurrentLinkedQueue<Message>();
private ExecutorService exec = Executors.newFixedThreadPool(5, new ThreadFactory() {
@Override
public Thread newThread(Runnable r) {
// TODO Auto-generated method stub
Thread t = new Thread(r);
t.setName("MessageSendPool");
return t;
}
});
private MessageSender() {
exec.submit(new MessageSendWorker());
}
public static MessageSender getInstance() {
return sender;
}
public void ack(Message msg) {
Message ack = AckUtil.generateAckMessage(msg);
if (ack.getMessageBody() != null) {
queue.add(ack);
}
}
public void send(Message msg) {
queue.add(msg);
}
final class MessageSendWorker implements Runnable {
@Override
public void run() {
// TODO Auto-generated method stub
while (true) {
try {
final Message msg = queue.poll();
if (msg == null) {
try {
Thread.sleep(50);
} catch (InterruptedException e) {
log.error("sender sleep", e);
}
continue;
}
exec.submit(new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
try {
if (MessageSessionManager.getInstance().getSession(msg.getVin()) != null)
MessageSessionManager.getInstance().getSession(msg.getVin()).write(msg.write());
else {
StringBuilder sb = new StringBuilder();
sb.append(" vin:")
.append(msg.getVin())
.append(" 无会话信息,不发送消息.消息:")
.append(msg.toString());
log.warn(sb.toString());
}
} catch (Exception e) {
log.error("MessageSendWorker handle exception|" + msg , e);
}
}
});
} catch (Exception e) {
log.error("MessageSendPool handle exception");
}
}
}
}
}