From 9747b41b346ffdec1186e2c39fc6767234627892 Mon Sep 17 00:00:00 2001
From: Number7 <1845377266@qq.com>
Date: Sun, 29 Sep 2024 10:31:32 +0800
Subject: [PATCH] kafka
---
cloud-modules/saas/saas-common/pom.xml | 6 ---
.../server/config/KafkaConsumerConfig.java | 53 +++++++++++++++++++
.../server/config/KafkaProviderConfig.java | 48 +++++++++++++++++
.../muyu/server}/config/MqttConfigure.java | 4 +-
4 files changed, 103 insertions(+), 8 deletions(-)
create mode 100644 cloud-modules/saas/saas-server/src/main/java/com/muyu/server/config/KafkaConsumerConfig.java
create mode 100644 cloud-modules/saas/saas-server/src/main/java/com/muyu/server/config/KafkaProviderConfig.java
rename cloud-modules/saas/{saas-common/src/main/java/com/muyu/common => saas-server/src/main/java/com/muyu/server}/config/MqttConfigure.java (97%)
diff --git a/cloud-modules/saas/saas-common/pom.xml b/cloud-modules/saas/saas-common/pom.xml
index cb74eaa..bda0d95 100644
--- a/cloud-modules/saas/saas-common/pom.xml
+++ b/cloud-modules/saas/saas-common/pom.xml
@@ -32,12 +32,6 @@
swagger-annotations
2.2.8
-
- com.muyu.server
- saas-server
- 3.6.3
- compile
-
diff --git a/cloud-modules/saas/saas-server/src/main/java/com/muyu/server/config/KafkaConsumerConfig.java b/cloud-modules/saas/saas-server/src/main/java/com/muyu/server/config/KafkaConsumerConfig.java
new file mode 100644
index 0000000..3ccf271
--- /dev/null
+++ b/cloud-modules/saas/saas-server/src/main/java/com/muyu/server/config/KafkaConsumerConfig.java
@@ -0,0 +1,53 @@
+package com.muyu.server.config;
+
+import org.apache.kafka.clients.consumer.KafkaConsumer;
+import org.apache.kafka.common.serialization.Deserializer;
+import org.apache.kafka.common.serialization.StringDeserializer;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @Author：liuxinyue
+ * @Package：com.muyu.mqtt.configure
+ * @Project：cloud-server
+ * @name：KafkaConsumerConfig
+ * @Date：2024/9/28 23:42
+ */
+@Configuration
+public class KafkaConsumerConfig {
+ @Bean
+ public KafkaConsumer kafkaConsumer() {
+ Map configs = new HashMap<>();
+ //kafka服务端的IP和端口,格式:(ip:port)
+ configs.put("bootstrap.servers", "47.101.53.251:9092");
+ //开启consumer的偏移量(offset)自动提交到Kafka
+ configs.put("enable.auto.commit", true);
+ //consumer的偏移量(offset) 自动提交的时间间隔,单位毫秒
+ configs.put("auto.commit.interval", 5000);
+ //在Kafka中没有初始化偏移量或者当前偏移量不存在情况
+ //earliest, 在偏移量无效的情况下, 自动重置为最早的偏移量
+ //latest, 在偏移量无效的情况下, 自动重置为最新的偏移量
+ //none, 在偏移量无效的情况下, 抛出异常.
+ configs.put("auto.offset.reset", "latest");
+ //请求阻塞的最大时间(毫秒)
+ configs.put("fetch.max.wait", 500);
+ //请求应答的最小字节数
+ configs.put("fetch.min.size", 1);
+ //心跳间隔时间(毫秒)
+ configs.put("heartbeat-interval", 3000);
+ //一次调用poll返回的最大记录条数
+ configs.put("max.poll.records", 500);
+ //指定消费组
+ configs.put("group.id", "kafka_grop");
+ //指定key使用的反序列化类
+ Deserializer keyDeserializer = new StringDeserializer();
+ //指定value使用的反序列化类
+ Deserializer valueDeserializer = new StringDeserializer();
+ //创建Kafka消费者
+ KafkaConsumer kafkaConsumer = new KafkaConsumer(configs, keyDeserializer, valueDeserializer);
+ return kafkaConsumer;
+ }
+}
diff --git a/cloud-modules/saas/saas-server/src/main/java/com/muyu/server/config/KafkaProviderConfig.java b/cloud-modules/saas/saas-server/src/main/java/com/muyu/server/config/KafkaProviderConfig.java
new file mode 100644
index 0000000..869a757
--- /dev/null
+++ b/cloud-modules/saas/saas-server/src/main/java/com/muyu/server/config/KafkaProviderConfig.java
@@ -0,0 +1,48 @@
+package com.muyu.server.config;
+
+import org.apache.kafka.clients.producer.KafkaProducer;
+import org.apache.kafka.common.serialization.Serializer;
+import org.apache.kafka.common.serialization.StringSerializer;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @Author：liuxinyue
+ * @Package：com.muyu.mqtt.configure
+ * @Project：cloud-server
+ * @name：KafkaProviderConfig
+ * @Date：2024/9/28 23:50
+ */
+@Configuration
+public class KafkaProviderConfig {
+
+ @Bean
+ public KafkaProducer kafkaProducer() {
+ Map configs = new HashMap<>();
+ //#kafka服务端的IP和端口,格式:(ip:port)
+ configs.put("bootstrap.servers", "47.116.173.119:9092");
+ //客户端发送服务端失败的重试次数
+ configs.put("retries", 2);
+ //多个记录被发送到同一个分区时,生产者将尝试将记录一起批处理成更少的请求.
+ //此设置有助于提高客户端和服务器的性能,配置控制默认批量大小(以字节为单位)
+ configs.put("batch.size", 16384);
+ //生产者可用于缓冲等待发送到服务器的记录的总内存字节数(以字节为单位)
+ configs.put("buffer-memory", 33554432);
+ //生产者producer要求leader节点在考虑完成请求之前收到的确认数,用于控制发送记录在服务端的持久化
+ //acks=0,设置为0,则生产者producer将不会等待来自服务器的任何确认.该记录将立即添加到套接字(socket)缓冲区并视为已发送.在这种情况下,无法保证服务器已收到记录,并且重试配置(retries)将不会生效(因为客户端通常不会知道任何故障),每条记录返回的偏移量始终设置为-1.
+ //acks=1,设置为1,leader节点会把记录写入本地日志,不需要等待所有follower节点完全确认就会立即应答producer.在这种情况下,在follower节点复制前,leader节点确认记录后立即失败的话,记录将会丢失.
+ //acks=all,acks=-1,leader节点将等待所有同步复制副本完成再确认记录,这保证了只要至少有一个同步复制副本存活,记录就不会丢失.
+ configs.put("acks", "-1");
+ //指定key使用的序列化类
+ Serializer keySerializer = new StringSerializer();
+ //指定value使用的序列化类
+ Serializer valueSerializer = new StringSerializer();
+ //创建Kafka生产者
+ KafkaProducer kafkaProducer = new KafkaProducer(configs, keySerializer, valueSerializer);
+ return kafkaProducer;
+ }
+
+}
diff --git a/cloud-modules/saas/saas-common/src/main/java/com/muyu/common/config/MqttConfigure.java b/cloud-modules/saas/saas-server/src/main/java/com/muyu/server/config/MqttConfigure.java
similarity index 97%
rename from cloud-modules/saas/saas-common/src/main/java/com/muyu/common/config/MqttConfigure.java
rename to cloud-modules/saas/saas-server/src/main/java/com/muyu/server/config/MqttConfigure.java
index 12d4867..2e607d3 100644
--- a/cloud-modules/saas/saas-common/src/main/java/com/muyu/common/config/MqttConfigure.java
+++ b/cloud-modules/saas/saas-server/src/main/java/com/muyu/server/config/MqttConfigure.java
@@ -1,4 +1,4 @@
-package com.muyu.common.config;
+package com.muyu.server.config;
import cn.hutool.json.JSONObject;
import com.muyu.server.service.TemplateService;
@@ -29,7 +29,7 @@ public class MqttConfigure {
String topic = "vehicle";
int qos = 2;
String broker = "tcp://47.101.53.251:1883";
- String clientId = "hhhhhh";
+ String clientId = "测试mqtt";
try {
MqttClient sampleClient = new MqttClient(broker, clientId);
MqttConnectOptions connOpts = new MqttConnectOptions();