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author | Ivan Topolnjak <ivantopo@gmail.com> | 2017-04-24 13:54:40 +0200 |
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committer | Ivan Topolnjak <ivantopo@gmail.com> | 2017-04-24 13:54:40 +0200 |
commit | 4d828e1a3195e55365c865aa3a78af9668742643 (patch) | |
tree | 07fff2683933c96297a8ba577bbdc89888da16e1 /kamon-autoweave/src | |
parent | 469c11dc1ddb140f407a33f48033e533bf60611c (diff) | |
download | Kamon-4d828e1a3195e55365c865aa3a78af9668742643.tar.gz Kamon-4d828e1a3195e55365c865aa3a78af9668742643.tar.bz2 Kamon-4d828e1a3195e55365c865aa3a78af9668742643.zip |
Prepare for the major cleanup
Moved all the original files from src/main to src/legacy-main, same with test files. Also
removed the autoweave module, examples and bench as I'm planning to have them in separate
repositories.
Diffstat (limited to 'kamon-autoweave/src')
4 files changed, 0 insertions, 243 deletions
diff --git a/kamon-autoweave/src/main/resources/reference.conf b/kamon-autoweave/src/main/resources/reference.conf deleted file mode 100644 index c47b1a5d..00000000 --- a/kamon-autoweave/src/main/resources/reference.conf +++ /dev/null @@ -1,12 +0,0 @@ -# ====================================== # -# Kamon-Autowave Reference Configuration # -# ====================================== # - -kamon { - autowave { - options { - verbose = false - showWeaveInfo = false - } - } -}
\ No newline at end of file diff --git a/kamon-autoweave/src/main/scala/kamon/autoweave/Autoweave.scala b/kamon-autoweave/src/main/scala/kamon/autoweave/Autoweave.scala deleted file mode 100644 index 9c349c9e..00000000 --- a/kamon-autoweave/src/main/scala/kamon/autoweave/Autoweave.scala +++ /dev/null @@ -1,33 +0,0 @@ -/* ========================================================================================= - * Copyright © 2013-2016 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.autoweave - -import kamon.Kamon -import kamon.autoweave.loader.AgentLoader -import org.aspectj.weaver.loadtime.Agent - -class Autoweave { - val config = Kamon.config.getConfig("kamon.autowave.options") - val verbose = config.getBoolean("verbose") - val showWeaveInfo = config.getBoolean("showWeaveInfo") - - def attach(): Unit = { - System.setProperty("aj.weaving.verbose", verbose.toString) - System.setProperty("org.aspectj.weaver.showWeaveInfo", showWeaveInfo.toString) - - AgentLoader.attachAgentToJVM(classOf[Agent]) - } -} diff --git a/kamon-autoweave/src/main/scala/kamon/autoweave/loader/AgentLoader.scala b/kamon-autoweave/src/main/scala/kamon/autoweave/loader/AgentLoader.scala deleted file mode 100644 index 5271e987..00000000 --- a/kamon-autoweave/src/main/scala/kamon/autoweave/loader/AgentLoader.scala +++ /dev/null @@ -1,122 +0,0 @@ -/* ========================================================================================= - * Copyright © 2013-2015 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.autoweave.loader - -import java.io.{File, FileOutputStream, InputStream} -import java.lang.management.ManagementFactory -import java.util.jar.Attributes.Name -import java.util.jar.{JarEntry, JarOutputStream, Manifest} - -import scala.util.control.NoStackTrace - -object AgentLoader { - - /** - * Gets the current JVM PID - * - * @return Returns the PID - */ - - private def getPidFromRuntimeMBean: String = { - val jvm = ManagementFactory.getRuntimeMXBean.getName - val pid = jvm.substring(0, jvm.indexOf('@')) - pid - } - - /** - * Loads an agent into a JVM. - * - * @param agent The main agent class. - * @param resources Array of classes to be included with agent. - */ - def attachAgentToJVM(agent: Class[_], resources: Seq[Class[_]] = Seq.empty): Unit = attachToRunningJVM(agent, resources) - - /** - * Java variant - * - * @param agent - */ - def attachAgentToJVM(agent: Class[_]): Unit = attachAgentToJVM(agent, Seq.empty) - - /** - * Generates a temporary agent file to be loaded. - * - * @param agent The main agent class. - * @param resources Array of classes to be included with agent. - * @return Returns a temporary jar file with the specified classes included. - */ - private def generateAgentJar(agent: Class[_], resources: Seq[Class[_]]): File = { - val jarFile = File.createTempFile("agent", ".jar") - jarFile.deleteOnExit() - - val manifest = new Manifest() - val mainAttributes = manifest.getMainAttributes - // Create manifest stating that agent is allowed to transform classes - mainAttributes.put(Name.MANIFEST_VERSION, "1.0") - mainAttributes.put(new Name("Agent-Class"), agent.getName) - mainAttributes.put(new Name("Can-Retransform-Classes"), "true") - mainAttributes.put(new Name("Can-Redefine-Classes"), "true") - mainAttributes.put(new Name("Can-Set-Native-Method-Prefix"), "true") - - val jos = new JarOutputStream(new FileOutputStream(jarFile), manifest) - - jos.putNextEntry(new JarEntry(agent.getName.replace('.', '/') + ".class")) - - jos.write(getBytesFromStream(agent.getClassLoader.getResourceAsStream(unqualify(agent)))) - jos.closeEntry() - - for (clazz ← resources) { - val name = unqualify(clazz) - jos.putNextEntry(new JarEntry(name)) - jos.write(getBytesFromStream(clazz.getClassLoader.getResourceAsStream(name))) - jos.closeEntry() - } - - jos.close() - jarFile - } - - /** - * Attach to the running JVM. - * - * @return - * Returns the attached VirtualMachine - */ - private def attachToRunningJVM(agent: Class[_], resources: Seq[Class[_]]): Unit = { - AttachmentProviders.resolve() match { - case Some(virtualMachine) ⇒ - val virtualMachineInstance = virtualMachine.getDeclaredMethod("attach", classOf[String]).invoke(null, getPidFromRuntimeMBean) - virtualMachine.getDeclaredMethod("loadAgent", classOf[String], classOf[String]).invoke(virtualMachineInstance, generateAgentJar(agent, resources).getAbsolutePath, "") - virtualMachine.getDeclaredMethod("detach").invoke(virtualMachineInstance) - case None ⇒ throw new IllegalStateException("Cannot read the virtual machine type...") with NoStackTrace - } - } - - /** - * Gets bytes from InputStream. - * - * @param stream - * The InputStream. - * @return - * Returns a byte[] representation of given stream. - */ - private def getBytesFromStream(stream: InputStream): Array[Byte] = { - Stream.continually(stream.read).takeWhile(_ != -1).map(_.toByte).toArray - } - - private def unqualify(clazz: Class[_]): String = clazz.getName.replace('.', '/') + ".class" -} - diff --git a/kamon-autoweave/src/main/scala/kamon/autoweave/loader/AttachmentProviders.scala b/kamon-autoweave/src/main/scala/kamon/autoweave/loader/AttachmentProviders.scala deleted file mode 100644 index 1640d2c6..00000000 --- a/kamon-autoweave/src/main/scala/kamon/autoweave/loader/AttachmentProviders.scala +++ /dev/null @@ -1,76 +0,0 @@ -/* ========================================================================================= - * Copyright © 2013-2016 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.autoweave.loader - -import java.io.File -import java.net.{URL, URLClassLoader} -import java.security.{AccessController, PrivilegedAction} - -import scala.util.control.NonFatal -import scala.util.{Failure, Success, Try} - -object AttachmentProviders { - - sealed trait AttachmentProvider { - def resolve(): Option[Class[_]] - } - - trait DefaultAttachmentProvider extends AttachmentProvider { - val VirtualMachineTyeName = "com.sun.tools.attach.VirtualMachine" - - def toolsJarPath: String - - /** - * Gets the current HotSpotVirtualMachine implementation otherwise a None. - * - * @return - * Returns the HotSpotVirtualMachine implementation of the running JVM. - */ - def resolve(): Option[Class[_]] = { - val toolsJar = new File(System.getProperty("java.home").replace('\\', '/') + "/" + toolsJarPath) - if (toolsJar.isFile && toolsJar.canRead) { - Try(AccessController.doPrivileged(new ClassLoaderCreationAction(toolsJar)).loadClass(VirtualMachineTyeName)) match { - case Success(vm) ⇒ Some(vm) - case Failure(NonFatal(_)) ⇒ None - } - } else None - } - } - - case object JVM extends DefaultAttachmentProvider { val toolsJarPath = "../lib/tools.jar" } - case object JDK extends DefaultAttachmentProvider { val toolsJarPath = "lib/tools.jar" } - case object MAC extends DefaultAttachmentProvider { val toolsJarPath = "../Classes/classes.jar" } - case object IBM extends AttachmentProvider { - - val IBMVirtualMachineTyeName = "com.ibm.tools.attach.VirtualMachine" - - override def resolve(): Option[Class[_]] = { - Try(ClassLoader.getSystemClassLoader.loadClass(IBMVirtualMachineTyeName)) match { - case Success(vm) ⇒ Some(vm) - case Failure(NonFatal(_)) ⇒ None - } - } - } - - private val providers = Seq(JVM, JDK, MAC, IBM) - - private final class ClassLoaderCreationAction(toolsJar: File) extends PrivilegedAction[ClassLoader] { - override def run(): ClassLoader = new URLClassLoader(Array[URL](toolsJar.toURI.toURL), null) - } - - def resolve(): Option[Class[_]] = - providers.iterator.map(_.resolve()).collectFirst { case Some(clazz) ⇒ clazz } -} |