blob: 1fbedf86612df5dbf5dadd2f2d8447310f9c5a24 (
plain) (
tree)
|
|
package kamon
import java.util.UUID
import akka.actor.ActorPath
case class TraceContext(id: UUID, entries: List[TraceEntry]) {
def fork = this.copy(entries = Nil)
def withEntry(entry: TraceEntry) = this.copy(entries = entry :: entries)
}
object TraceContext {
private val context = new ThreadLocal[TraceContext]
def current = {
val ctx = context.get()
if(ctx ne null)
Some(ctx)
else
None
}
def clear = context.remove()
def set(ctx: TraceContext) = context.set(ctx)
def start = set(TraceContext(UUID.randomUUID(), Nil))
}
trait TraceEntry
case class MessageExecutionTime(actorPath: ActorPath, initiated: Long, ended: Long)
case class CodeBlockExecutionTime(blockName: String, begin: Long, end: Long) extends TraceEntry
trait TraceSupport {
import TraceContext.current
def trace[T](blockName: String)(f: => T): T = {
val before = System.currentTimeMillis
val result = f
val after = System.currentTimeMillis
//swapContext(current.get().withEntry(CodeBlockExecutionTime(blockName, before, after)))
result
}
def swapContext(newContext: TraceContext) {
//current.set(newContext)
}
}
|