60 lines
1.8 KiB
Scala
60 lines
1.8 KiB
Scala
/*
|
|
* Copyright The OpenTelemetry Authors
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package controllers
|
|
|
|
/**
|
|
* This controller creates an `Action` to handle HTTP requests to the
|
|
* application's work page which does busy wait to simulate some work
|
|
*/
|
|
class HomeController @Inject()(cc: ControllerComponents) extends AbstractController(cc) {
|
|
val TRACER: Tracer = OpenTelemetry.getTracerProvider.get("test")
|
|
|
|
/**
|
|
* Create an Action to perform busy wait
|
|
*/
|
|
def doGet(workTimeMillis: Option[Long], error: Option[String]) = Action {
|
|
implicit request: Request[AnyContent] =>
|
|
error match {
|
|
case Some(x) => throw new RuntimeException("some sync error")
|
|
case None => {
|
|
var workTime = workTimeMillis.getOrElse(0L)
|
|
scheduleWork(workTime)
|
|
Ok("Did " + workTime + "ms of work.")
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
private def scheduleWork(workTimeMillis: Long) {
|
|
val span = tracer().spanBuilder("work").startSpan()
|
|
val scope = tracer().withSpan(span)
|
|
try {
|
|
if (span != null) {
|
|
span.setAttribute("work-time", workTimeMillis)
|
|
span.setAttribute("info", "interesting stuff")
|
|
span.setAttribute("additionalInfo", "interesting stuff")
|
|
}
|
|
if (workTimeMillis > 0) {
|
|
Worker.doWork(workTimeMillis)
|
|
}
|
|
} finally {
|
|
span.end()
|
|
scope.close()
|
|
}
|
|
}
|
|
}
|