1 files changed, 125 insertions, 0 deletions
diff --git a/kamon-core/src/main/scala/kamon/trace/TraceCtx.scala b/kamon-core/src/main/scala/kamon/trace/TraceCtx.scala
new file mode 100644
index 00000000..1e552563
--- /dev/null
+++ b/kamon-core/src/main/scala/kamon/trace/TraceCtx.scala
@@ -0,0 +1,125 @@
+/*
+ * =========================================================================================
+ * 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
+
+import akka.actor.{ExtendedActorSystem, ActorSystem}
+import akka.dispatch.AbstractNodeQueue
+import kamon.Kamon
+import kamon.metrics.{TraceMetrics, Metrics}
+import java.util.concurrent.atomic.AtomicLong
+
+sealed trait TracingLevelOfDetail
+case object OnlyMetrics extends TracingLevelOfDetail
+case object SimpleTrace extends TracingLevelOfDetail
+case object FullTrace extends TracingLevelOfDetail
+
+trait TraceContext {
+  def token: String
+  def name: String
+  def rename(newName: String): Unit
+  def levelOfDetail: TracingLevelOfDetail
+  def startSegment
+  def finish(metadata: Map[String, String])
+
+}
+
+trait TraceContextAware {
+  def captureMark: Long
+  def traceContext: Option[TraceContext]
+}
+
+object TraceContextAware {
+  def default: TraceContextAware = new TraceContextAware {
+    val captureMark = System.nanoTime()
+    val traceContext = TraceRecorder.currentContext
+  }
+}
+
+object TraceContext {
+
+}
+
+class SimpleMetricCollectionContext(val token: String, @volatile private var _name: String, val system: ActorSystem,
+                                    metadata: Map[String, String]) extends TraceContext {
+  val levelOfDetail = OnlyMetrics
+
+  @volatile private var _isOpen = true
+
+  val startMark = System.nanoTime()
+
+  def name: String = _name
+
+  def rename(newName: String): Unit = _name = newName
+
+  def isOpen(): Boolean = _isOpen
+
+  def finish(metadata: Map[String, String]): Unit = {
+    val finishMark = System.nanoTime()
+
+    // Store all metrics!
+    val metricsExtension = Kamon(Metrics)(system)
+    val metricRecorder = metricsExtension.register(name, TraceMetrics)
+
+    metricRecorder.map { traceMetrics =>
+      traceMetrics.elapsedTime.record(finishMark - startMark)
+    }
+
+  }
+
+  override def startSegment: Unit = ???
+
+
+}
+
+private[kamon] class SegmentRecordingQueue extends AbstractNodeQueue[String]
+
+
+
+
+class TraceRecorder(system: ExtendedActorSystem) {
+
+}
+
+object TraceRecorder {
+  private val tokenCounter = new AtomicLong
+  private val traceContextStorage = new ThreadLocal[Option[TraceContext]] {
+    override def initialValue(): Option[TraceContext] = None
+  }
+
+  private def newTraceContext(name: String, token: Option[String], metadata: Map[String, String], system: ActorSystem): TraceContext = ???
+
+  def setContext(context: Option[TraceContext]): Unit = traceContextStorage.set(context)
+
+  def clearContext: Unit = traceContextStorage.set(None)
+
+  def currentContext: Option[TraceContext] = traceContextStorage.get()
+
+  def start(name: String, token: Option[String] = None, metadata: Map[String, String] = Map.empty)(implicit system: ActorSystem) = {
+    val ctx = newTraceContext(name, token, metadata, system)
+    traceContextStorage.set(Some(ctx))
+  }
+
+  def withContext[T](context: Option[TraceContext])(thunk: => T): T = {
+    val oldContext = currentContext
+    setContext(context)
+
+    try thunk finally setContext(oldContext)
+  }
+
+  def finish(metadata: Map[String, String] = Map.empty): Unit = currentContext.map(_.finish(metadata))
+
+}