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RPiVerticle.java
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RPiVerticle.java
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package io.vertx.blog;
import io.vertx.core.AbstractVerticle;
import io.vertx.core.json.JsonObject;
import io.vertx.ext.web.Router;
import io.vertx.ext.web.handler.StaticHandler;
import io.vertx.ext.web.handler.sockjs.BridgeOptions;
import io.vertx.ext.web.handler.sockjs.PermittedOptions;
import io.vertx.ext.web.handler.sockjs.SockJSHandler;
import java.io.IOException;
import java.lang.management.ManagementFactory;
import java.lang.management.OperatingSystemMXBean;
public class RPiVerticle extends AbstractVerticle {
private static final OperatingSystemMXBean osMBean;
static {
try {
osMBean = ManagementFactory.newPlatformMXBeanProxy(ManagementFactory.getPlatformMBeanServer(),
ManagementFactory.OPERATING_SYSTEM_MXBEAN_NAME, OperatingSystemMXBean.class);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public void start() {
Router router = Router.router(vertx);
router.route("/eventbus/*").handler(SockJSHandler.create(vertx)
.bridge(new BridgeOptions().addOutboundPermitted(new PermittedOptions().setAddress("load"))));
router.route().handler(StaticHandler.create());
vertx.createHttpServer().requestHandler(router::accept).listen(8080);
vertx.setPeriodic(1000, t -> vertx.eventBus().publish("load",
new JsonObject()
.put("creatTime", System.currentTimeMillis())
.put("cpuTime", osMBean.getSystemLoadAverage())));
}
}