Merge pull request #1870 from akka/wip-3609-log-hostport-patriknw

+act #3609 Include host and port in log source

akka-actor/src/main/scala/akka/actor/Actor.scala

@@ -10,6 +10,7 @@ import scala.annotation.tailrec
 import scala.reflect.BeanProperty
 import scala.util.control.NoStackTrace
 import java.util.regex.Pattern
+import akka.event.LoggingAdapter
 
 /**
  * INTERNAL API
@@ -279,7 +280,15 @@ object Status {
  * }}}
  */
 trait ActorLogging { this: Actor ⇒
-  val log = akka.event.Logging(context.system, this)
+  private var _log: LoggingAdapter = _
+
+  def log: LoggingAdapter = {
+    // only used in Actor, i.e. thread safe
+    if (_log eq null)
+      _log = akka.event.Logging(context.system, this)
+    _log
+  }
+
 }
 
 /**

akka-actor/src/main/scala/akka/event/Logging.scala

@@ -4,7 +4,6 @@
 package akka.event
 
 import language.existentials
-
 import akka.actor._
 import akka.{ ConfigurationException, AkkaException }
 import akka.actor.ActorSystem.Settings
@@ -16,6 +15,7 @@ import scala.collection.immutable
 import scala.concurrent.duration._
 import scala.concurrent.Await
 import scala.util.control.NoStackTrace
+import scala.util.control.NonFatal
 
 /**
  * This trait brings log level handling to the EventStream: it reads the log
@@ -270,11 +270,18 @@ object LogSource {
   }
 
   implicit val fromActor: LogSource[Actor] = new LogSource[Actor] {
-    def genString(a: Actor) = a.self.path.toString
+    def genString(a: Actor) = fromActorRef.genString(a.self)
+    override def genString(a: Actor, system: ActorSystem) = fromActorRef.genString(a.self, system)
   }
 
   implicit val fromActorRef: LogSource[ActorRef] = new LogSource[ActorRef] {
     def genString(a: ActorRef) = a.path.toString
+    override def genString(a: ActorRef, system: ActorSystem) = try {
+      a.path.toStringWithAddress(system.asInstanceOf[ExtendedActorSystem].provider.getDefaultAddress)
+    } catch {
+      // it can fail if the ActorSystem (remoting) is not completely started yet
+      case NonFatal(_) ⇒ a.path.toString
+    }
   }
 
   // this one unfortunately does not work as implicit, because existential types have some weird behavior
@@ -710,11 +717,11 @@ object Logging {
 
     private val date = new Date()
     private val dateFormat = new SimpleDateFormat("MM/dd/yyyy HH:mm:ss.SSS")
-    private val errorFormat = "[ERROR] [%s] [%s] [%s] %s%s".intern
-    private val errorFormatWithoutCause = "[ERROR] [%s] [%s] [%s] %s".intern
-    private val warningFormat = "[WARN] [%s] [%s] [%s] %s".intern
-    private val infoFormat = "[INFO] [%s] [%s] [%s] %s".intern
-    private val debugFormat = "[DEBUG] [%s] [%s] [%s] %s".intern
+    private val errorFormat = "[ERROR] [%s] [%s] [%s] %s%s"
+    private val errorFormatWithoutCause = "[ERROR] [%s] [%s] [%s] %s"
+    private val warningFormat = "[WARN] [%s] [%s] [%s] %s"
+    private val infoFormat = "[INFO] [%s] [%s] [%s] %s"
+    private val debugFormat = "[DEBUG] [%s] [%s] [%s] %s"
 
     def timestamp(event: LogEvent): String = synchronized {
       date.setTime(event.timestamp)

akka-remote/src/test/scala/akka/remote/LogSourceSpec.scala

@@ -0,0 +1,56 @@
+/**
+ *  Copyright (C) 2009-2013 Typesafe Inc. <http://www.typesafe.com>
+ */
+package akka.remote
+
+import scala.concurrent.duration._
+import akka.testkit.AkkaSpec
+import akka.actor.Actor
+import akka.actor.ActorLogging
+import akka.actor.Props
+import akka.event.Logging
+import akka.testkit.ImplicitSender
+import akka.testkit.TestProbe
+import akka.actor.Deploy
+import akka.event.Logging.Info
+import akka.actor.ExtendedActorSystem
+
+object LogSourceSpec {
+  class Reporter extends Actor with ActorLogging {
+    def receive = {
+      case s: String ⇒
+        log.info(s)
+    }
+  }
+}
+
+@org.junit.runner.RunWith(classOf[org.scalatest.junit.JUnitRunner])
+class LogSourceSpec extends AkkaSpec(
+  """
+    akka.loglevel = INFO
+    akka.actor.provider = "akka.remote.RemoteActorRefProvider"
+    akka.remote.netty.tcp.port = 0
+  """) {
+
+  import LogSourceSpec._
+
+  val reporter = system.actorOf(Props[Reporter], "reporter")
+  val logProbe = TestProbe()
+  system.eventStream.subscribe(system.actorOf(Props(new Actor {
+    def receive = {
+      case i @ Info(_, _, msg: String) if msg contains "hello" ⇒ logProbe.ref ! i
+      case _ ⇒
+    }
+  }).withDeploy(Deploy.local), "logSniffer"), classOf[Logging.Info])
+
+  "Log events" must {
+
+    "must include host and port for local LogSource" in {
+      reporter ! "hello"
+      val info = logProbe.expectMsgType[Info]
+      info.message must be("hello")
+      val defaultAddress = system.asInstanceOf[ExtendedActorSystem].provider.getDefaultAddress
+      info.logSource must include(defaultAddress.toString)
+    }
+  }
+}