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Commit 4c55cbbc authored by Administrator's avatar Administrator
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mqtt客户端及redis缓存

parent c512907c
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pom.xml
View file @ 4c55cbbc
......@@ -310,7 +310,11 @@
<!-- 1.10 需要jdk1.8-->
</dependency>
<dependency>
<groupId>org.eclipse.paho</groupId>
<artifactId>org.eclipse.paho.client.mqttv3</artifactId>
<version>1.1.1</version>
</dependency>
</dependencies>
......
src/main/java/org/rcisoft/ZhnyLineRunner.java 0 → 100644
View file @ 4c55cbbc
package org.rcisoft;
import org.rcisoft.mqttclient.ClientMQTT;
import org.springframework.boot.CommandLineRunner;
import org.springframework.stereotype.Component;
@Component
public class ZhnyLineRunner implements CommandLineRunner {
@Override
public void run(String... var1) throws Exception{
System.out.println("MQTT 客户端启动++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++");
ClientMQTT mqclient = new ClientMQTT();
mqclient.start();
}
}
src/main/java/org/rcisoft/config/RedisConfig.java 0 → 100644
View file @ 4c55cbbc
package org.rcisoft.config;
import lombok.extern.slf4j.Slf4j;
import org.rcisoft.core.bean.RcRedisConfigBean;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;
/**
* Created by lcy on 18/1/8.
*/
@Configuration
@Slf4j
public class RedisConfig {
@Autowired
private RcRedisConfigBean redisConfigBean;
@Bean
public JedisPool getJedisPool(){
JedisPoolConfig config = new JedisPoolConfig();
//连接耗尽时是否阻塞, false报异常,ture阻塞直到超时, 默认true
config.setBlockWhenExhausted(true);
//设置的逐出策略类名, 默认DefaultEvictionPolicy(当连接超过最大空闲时间,或连接数超过最大空闲连接数)
config.setEvictionPolicyClassName("org.apache.commons.pool2.impl.DefaultEvictionPolicy");
//是否启用pool的jmx管理功能, 默认true
config.setJmxEnabled(true);
//MBean ObjectName = new ObjectName("org.apache.commons.pool2:type=GenericObjectPool,name=" + "pool" + i); 默认为"pool", JMX不熟,具体不知道是干啥的...默认就好.
config.setJmxNamePrefix("pool");
//是否启用后进先出, 默认true
config.setLifo(false);
//最大空闲连接数, 默认8个
config.setMaxIdle(redisConfigBean.getMaxIdle());
//最大连接数, 默认8个
config.setMaxTotal(redisConfigBean.getMaxActive());
//获取连接时的最大等待毫秒数(如果设置为阻塞时BlockWhenExhausted),如果超时就抛异常, 小于零:阻塞不确定的时间, 默认-1
config.setMaxWaitMillis(redisConfigBean.getMaxWait());
//逐出连接的最小空闲时间 默认1800000毫秒(30分钟)
config.setMinEvictableIdleTimeMillis(1800000);
//最小空闲连接数, 默认0
config.setMinIdle(0);
//每次逐出检查时 逐出的最大数目 如果为负数就是 : 1/abs(n), 默认3
config.setNumTestsPerEvictionRun(3);
//对象空闲多久后逐出, 当空闲时间>该值 且 空闲连接>最大空闲数 时直接逐出,不再根据MinEvictableIdleTimeMillis判断 (默认逐出策略)
config.setSoftMinEvictableIdleTimeMillis(1800000);
//在获取连接的时候检查有效性, 默认false
config.setTestOnBorrow(false);
//在空闲时检查有效性, 默认false
config.setTestWhileIdle(false);
//逐出扫描的时间间隔(毫秒) 如果为负数,则不运行逐出线程, 默认-1
config.setTimeBetweenEvictionRunsMillis(-1);
JedisPool pool = new JedisPool(config,redisConfigBean.getHost(),redisConfigBean.getPort(),
redisConfigBean.getTimeout(),null,redisConfigBean.getDatabase());
log.info("init JedisPool ...");
return pool;
}
}
src/main/java/org/rcisoft/core/bean/RcRedisConfigBean.java 0 → 100644
View file @ 4c55cbbc
package org.rcisoft.core.bean;
import lombok.Data;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;
/**
* Created by lcy on 18/1/8.
*/
@Component
@ConfigurationProperties(prefix = "spring.redis")
@Data
public class RcRedisConfigBean {
private String host;
private int port;
private String password;
private int timeout;
private int database;
@Value("${spring.redis.pool.max-idle:100}")
private int maxIdle;
@Value("${spring.redis.pool.max-active:100}")
private int maxActive;
@Value("${spring.redis.pool.min-idle:1}")
private int minIdle;
@Value("${spring.redis.pool.max-wait:-1}")
private int maxWait;
}
src/main/java/org/rcisoft/core/service/RcRedisService.java 0 → 100644
View file @ 4c55cbbc
package org.rcisoft.core.service;
import redis.clients.jedis.Jedis;
import java.util.List;
/**
* Created by lcy on 18/1/8.
*/
public interface RcRedisService {
/**
* 获取jedis
* @return
*/
public Jedis getResource();
/**
* 归还jedis
* @param jedis
*/
public void returnResource(Jedis jedis);
/**
* 赋值
* @param key
* @param value
*/
public void set(String key, String value);
/**
* 赋值字节数组 设置过期
* @param key
* @param value
*/
public void set(String key, String value, int expire);
/**
* 赋值字节数组
* @param key
* @param value
*/
public void setBytes(String key, byte[] value);
/**
* 赋值字节数组 设置过期
* @param key
* @param value
*/
public void setBytes(String key, byte[] value, int expire);
/**
* 取值
* @param key
* @return
*/
public String get(String key);
/**
* 取值数组
* @param key
* @return
*/
public byte[] getBytes(String key);
/**
* 清除
* @param key
*/
public void remove(String key);
/**
* 获取list
* @param key
*/
public List getList(String key);
/**
* set list
* @param key
* @param value
*/
public void setList(String key, String value);
/**
* 从 list 中 删除
* @param key
*/
public void removeList(String key, String value);
}
src/main/java/org/rcisoft/core/service/impl/RcRedisServiceImpl.java 0 → 100644
View file @ 4c55cbbc
package org.rcisoft.core.service.impl;
import lombok.extern.slf4j.Slf4j;
import org.rcisoft.core.service.RcRedisService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import java.util.List;
/**
* Created by lcy on 18/1/8.
*/
@Service
@Slf4j
public class RcRedisServiceImpl implements RcRedisService {
@Autowired
private JedisPool jedisPool;
@Override
public Jedis getResource() {
return jedisPool.getResource();
}
@SuppressWarnings("deprecation")
@Override
public void returnResource(Jedis jedis) {
if(jedis != null){
jedisPool.returnResourceObject(jedis);
}
}
@Override
public void set(String key, String value,int expire) {
Jedis jedis=null;
try{
jedis = getResource();
jedis.set(key, value);
if (expire > 0)
jedis.expire(key,expire);
log.info("Redis set success - " + key + ", value:" + value);
} catch (Exception e) {
e.printStackTrace();
log.error("Redis set error: "+ e.getMessage() +" - " + key + ", value:" + value);
}finally{
returnResource(jedis);
}
}
@Override
public void set(String key, String value) {
Jedis jedis=null;
try{
jedis = getResource();
jedis.set(key, value);
log.info("Redis set success - " + key + ", value:" + value);
} catch (Exception e) {
e.printStackTrace();
log.error("Redis set error: "+ e.getMessage() +" - " + key + ", value:" + value);
}finally{
returnResource(jedis);
}
}
@Override
public void setBytes(String key, byte[] value) {
Jedis jedis=null;
try{
jedis = getResource();
jedis.set(key.getBytes(), value);
log.info("Redis set success - " + key + ", value:" + value);
} catch (Exception e) {
e.printStackTrace();
log.error("Redis set error: "+ e.getMessage() +" - " + key + ", value:" + value);
}finally{
returnResource(jedis);
}
}
@Override
public void setBytes(String key, byte[] value,int expire) {
Jedis jedis=null;
try{
jedis = getResource();
jedis.set(key.getBytes(), value);
if (expire > 0)
jedis.expire(key,expire);
log.info("Redis set success - " + key + ", value:" + value);
} catch (Exception e) {
e.printStackTrace();
log.error("Redis set error: "+ e.getMessage() +" - " + key + ", value:" + value);
}finally{
returnResource(jedis);
}
}
@Override
public String get(String key) {
String result = null;
Jedis jedis=null;
try{
jedis = getResource();
result = jedis.get(key);
log.info("Redis get success - " + key + ", value:" + result);
} catch (Exception e) {
e.printStackTrace();
log.error("Redis set error: "+ e.getMessage() +" - " + key + ", value:" + result);
}finally{
returnResource(jedis);
}
return result;
}
@Override
public byte[] getBytes(String key) {
byte[] result = null;
Jedis jedis=null;
try{
jedis = getResource();
result = jedis.get(key.getBytes());
log.info("Redis get success - " + key + ", value:" + result);
} catch (Exception e) {
e.printStackTrace();
log.error("Redis set error: "+ e.getMessage() +" - " + key + ", value:" + result);
}finally{
returnResource(jedis);
}
return result;
}
@Override
public void remove(String key) {
Jedis jedis=null;
try{
jedis = getResource();
jedis.del(key);
log.info("Redis del success - " + key );
} catch (Exception e) {
e.printStackTrace();
log.error("Redis set error: "+ e.getMessage() +" - " + key );
}finally{
returnResource(jedis);
}
}
@Override
public List getList(String key) {
Jedis jedis=null;
List result = null ;
try{
jedis = getResource();
result = jedis.lrange(key, 0, -1);
log.info("Redis get list success - " + key + ", value:" + result);
} catch (Exception e) {
e.printStackTrace();
log.error("Redis set error: "+ e.getMessage() +" - " + key );
}finally{
returnResource(jedis);
}
return result;
}
@Override
public void setList(String key, String value) {
Jedis jedis=null;
try{
jedis = getResource();
jedis.rpush(key, value);
log.info("Redis set list success - " + key + ", value:" + value);
} catch (Exception e) {
e.printStackTrace();
log.error("Redis set error: "+ e.getMessage() +" - " + key + ", value:" + value);
}finally{
returnResource(jedis);
}
}
@Override
public void removeList(String key,String value) {
Jedis jedis=null;
try{
jedis = getResource();
jedis.lrem(key,1,value);
log.info("Redis remove list success - " + key + ", value:" + value);
} catch (Exception e) {
e.printStackTrace();
log.error("Redis set error: "+ e.getMessage() +" - " + key + ", value:" + value);
}finally{
returnResource(jedis);
}
}
}
src/main/java/org/rcisoft/mqttclient/ClientMQTT.java 0 → 100644
View file @ 4c55cbbc
package org.rcisoft.mqttclient;
import java.util.concurrent.ScheduledExecutorService;
import org.eclipse.paho.client.mqttv3.MqttClient;
import org.eclipse.paho.client.mqttv3.MqttConnectOptions;
import org.eclipse.paho.client.mqttv3.MqttException;
import org.eclipse.paho.client.mqttv3.MqttTopic;
import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence;
/**
* 模拟一个客户端接收消息
* @author rao
*
*/
public class ClientMQTT {
public static final String HOST = "tcp://106.2.4.91:61613";
public static final String TOPIC1 = "UPDATA";
private static final String clientid = "mqttjs_c3567e038c";
private MqttClient client;
private MqttConnectOptions options;
private String userName = "admin"; //非必须
private String passWord = "password"; //非必须
@SuppressWarnings("unused")
private ScheduledExecutorService scheduler;
public void start() {
try {
// host为主机名，clientid即连接MQTT的客户端ID，一般以唯一标识符表示，MemoryPersistence设置clientid的保存形式，默认为以内存保存
client = new MqttClient(HOST, clientid, new MemoryPersistence());
// MQTT的连接设置
options = new MqttConnectOptions();
// 设置是否清空session,这里如果设置为false表示服务器会保留客户端的连接记录，设置为true表示每次连接到服务器都以新的身份连接
options.setCleanSession(false);
// 设置连接的用户名
options.setUserName(userName);
// 设置连接的密码
options.setPassword(passWord.toCharArray());
// 设置超时时间 单位为秒
options.setConnectionTimeout(10);
// 设置会话心跳时间 单位为秒 服务器会每隔1.5*20秒的时间向客户端发送个消息判断客户端是否在线，但这个方法并没有重连的机制
options.setKeepAliveInterval(60);
// 设置回调
client.setCallback(new PushCallback());
MqttTopic topic = client.getTopic(TOPIC1);
//setWill方法，如果项目中需要知道客户端是否掉线可以调用该方法。设置最终端口的通知消息
//遗嘱 options.setWill(topic, "close".getBytes(), 2, true);
client.connect(options);
//订阅消息
int[] Qos = {1};
String[] topic1 = {TOPIC1};
client.subscribe(topic1, Qos);
} catch (Exception e) {
e.printStackTrace();
}
}
public static void main(String[] args) throws MqttException {
ClientMQTT client = new ClientMQTT();
client.start();
}
}
src/main/java/org/rcisoft/mqttclient/PushCallback.java 0 → 100644
View file @ 4c55cbbc
package org.rcisoft.mqttclient;
import org.eclipse.paho.client.mqttv3.IMqttDeliveryToken;
import org.eclipse.paho.client.mqttv3.MqttCallback;
import org.eclipse.paho.client.mqttv3.MqttMessage;
/**
* 发布消息的回调类
*
* 必须实现MqttCallback的接口并实现对应的相关接口方法CallBack 类将实现 MqttCallBack。
* 每个客户机标识都需要一个回调实例。在此示例中，构造函数传递客户机标识以另存为实例数据。
* 在回调中，将它用来标识已经启动了该回调的哪个实例。
* 必须在回调类中实现三个方法：
*
* public void messageArrived(MqttTopic topic, MqttMessage message)接收已经预订的发布。
*
* public void connectionLost(Throwable cause)在断开连接时调用。
*
* public void deliveryComplete(MqttDeliveryToken token))
* 接收到已经发布的 QoS 1 或 QoS 2 消息的传递令牌时调用。
* 由 MqttClient.connect 激活此回调。
*
*/
public class PushCallback implements MqttCallback {
public void connectionLost(Throwable cause) {
//mqtt.connect();
// 连接丢失后，一般在这里面进行重连
System.out.println("连接断开，可以做重连");
}
public void deliveryComplete(IMqttDeliveryToken token) {
System.out.println("deliveryComplete---------" + token.isComplete());
}
public void messageArrived(String topic, MqttMessage message) throws Exception {
// subscribe后得到的消息会执行到这里面
System.out.println("接收消息主题 : " + topic);
System.out.println("接收消息Qos : " + message.getQos());
System.out.println("接收消息内容 : " + new String(message.getPayload()));
}
}
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