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/* ===================================================
* Copyright © 2013 the kamon project <http://kamon.io/>
*
* 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 kamon.trace.instrumentation
import org.aspectj.lang.annotation.{ Around, Pointcut, DeclareMixin, Aspect }
import org.aspectj.lang.ProceedingJoinPoint
import org.slf4j.MDC
import kamon.trace.{ TraceContext, ContextAware, Trace }
@Aspect
class ActorLoggingTracing {
@DeclareMixin("akka.event.Logging.LogEvent+")
def mixin: ContextAware = ContextAware.default
@Pointcut("execution(* akka.event.slf4j.Slf4jLogger.withMdc(..)) && args(logSource, logEvent, logStatement)")
def withMdcInvocation(logSource: String, logEvent: ContextAware, logStatement: () ⇒ _): Unit = {}
@Around("withMdcInvocation(logSource, logEvent, logStatement)")
def aroundWithMdcInvocation(pjp: ProceedingJoinPoint, logSource: String, logEvent: ContextAware, logStatement: () ⇒ _): Unit = {
logEvent.traceContext match {
case Some(ctx) ⇒
MDC.put("uow", ctx.uow)
pjp.proceed()
MDC.remove("uow")
case None ⇒ pjp.proceed()
}
}
}
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