这篇文章主要介绍“Vertx作为mqtt client有什么用”,在日常操作中,相信很多人在Vertx作为mqtt client有什么用问题上存在疑惑,小编查阅了各式资料,整理出简单好用的操作方法,希望对大家解答”Vertx作为mqtt client有什么用”的疑惑有所帮助!接下来,请跟着小编一起来学习吧!
引入vertx-mqtt
<dependency>
<groupId>io.vertx</groupId>
<artifactId>vertx-mqtt</artifactId>
<version>3.8.2</version>
</dependency>
int count = 1000;
Vertx vertx = Vertx.vertx();
MqttClient client = MqttClient.create(vertx, new MqttClientOptions().setMaxInflightQueue(count));
client.connect(1883, "192.168.1.24", s -> {
if (s.succeeded()) {
for (int i = 0; i < count; i++) {
client.publish("temperature", Buffer.buffer("hello" + i), MqttQoS.AT_LEAST_ONCE, false, false);
}
}
}).pingResponseHandler(s -> {
log.info("We have just received PINGRESP packet");
});
for (int i = 0; i < count; i++) {
TimeUnit.MILLISECONDS.sleep(500);
try {
client.publish("temperature", Buffer.buffer(i + "hello" + i), MqttQoS.AT_LEAST_ONCE, false, false);
} catch (Exception e) {
log.error("error");
client.connect(1883, "192.168.1.24", s -> {
if (s.succeeded()) {
for (int j = -count; j < 0; j++) {
client.publish("temperature", Buffer.buffer("hello" + j), MqttQoS.AT_LEAST_ONCE, false,
false);
}
}
});
}
}
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