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added remote active objects configuration + remote tx semantics

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This commit is contained in:
Jonas Boner 2009-06-25 13:07:58 +02:00
parent 47abc143a4
commit 10a0c16cb2
22 changed files with 1080 additions and 354 deletions
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48
kernel/src/main/scala/nio/NettyServer.scala
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@ -22,28 +22,27 @@ import org.jboss.netty.handler.codec.serialization.ObjectDecoder
import org.jboss.netty.handler.codec.serialization.ObjectEncoder
class NettyServer extends Logging {
val HOSTNAME = "localhost"
val PORT = 9999
val CONNECTION_TIMEOUT_MILLIS = 100
private val HOSTNAME = "localhost"
private val PORT = 9999
private val CONNECTION_TIMEOUT_MILLIS = 100
log.info("Starting NIO server at [%s:%s]", HOSTNAME, PORT)
val factory = new NioServerSocketChannelFactory(
private val factory = new NioServerSocketChannelFactory(
Executors.newCachedThreadPool,
Executors.newCachedThreadPool)
val bootstrap = new ServerBootstrap(factory)
private val activeObjectFactory = new ActiveObjectFactory
private val bootstrap = new ServerBootstrap(factory)
// FIXME provide different codecs (Thrift, Avro, Protobuf, JSON)
val handler = new ObjectServerHandler
private val handler = new ObjectServerHandler
bootstrap.getPipeline.addLast("handler", handler)
bootstrap.setOption("child.tcpNoDelay", true)
bootstrap.setOption("child.keepAlive", true)
bootstrap.setOption("child.reuseAddress", true)
bootstrap.setOption("child.connectTimeoutMillis", CONNECTION_TIMEOUT_MILLIS)
log.info("Starting NIO server at [%s:%s]", HOSTNAME, PORT)
bootstrap.bind(new InetSocketAddress(HOSTNAME, PORT))
}
@ -65,8 +64,7 @@ class ObjectServerHandler extends SimpleChannelUpstreamHandler with Logging {
}
override def channelConnected(ctx: ChannelHandlerContext, event: ChannelStateEvent) = {
// Send the first message if this handler is a client-side handler.
// if (!firstMessage.isEmpty) e.getChannel.write(firstMessage)
//e.getChannel.write(firstMessage)
}
override def messageReceived(ctx: ChannelHandlerContext, event: MessageEvent) ={
@ -90,13 +88,8 @@ class ObjectServerHandler extends SimpleChannelUpstreamHandler with Logging {
} else {
log.debug("Dispatching to [%s :: %s]", request.method, request.target)
val activeObject = createActiveObject(request.target)
// val args = request.message.asInstanceOf[scala.List[Object]]
// val argClassesList = args.map(_.getClass)
// val argClasses = argClassesList.map(_.getClass).toArray
// val method = activeObject.getClass.getDeclaredMethod(request.method, argClasses)
val args = request.message.asInstanceOf[scala.List[AnyRef]]
val argClazzes = args.map(_.getClass)//.toArray.asInstanceOf[Array[Class[_]]]
val argClazzes = args.map(_.getClass)
val (unescapedArgs, unescapedArgClasses) = unescapeArgs(args, argClazzes)
val method = activeObject.getClass.getDeclaredMethod(request.method, unescapedArgClasses)
try {
@ -142,15 +135,18 @@ class ObjectServerHandler extends SimpleChannelUpstreamHandler with Logging {
val activeObjectOrNull = activeObjects.get(name)
if (activeObjectOrNull == null) {
val clazz = Class.forName(name)
val newInstance = clazz.newInstance.asInstanceOf[AnyRef] // activeObjectFactory.newInstance(clazz, new Dispatcher(invocation.target)).asInstanceOf[AnyRef]
activeObjects.put(name, newInstance)
newInstance
try {
val actor = new Dispatcher(clazz.getName)
actor.start
val newInstance = activeObjectFactory.newInstance(clazz, actor, false).asInstanceOf[AnyRef]
activeObjects.put(name, newInstance)
newInstance
} catch {
case e =>
log.debug("Could not create remote active object instance due to: %s", e)
e.printStackTrace
throw e
}
} else activeObjectOrNull
}
}
object NettyServerRunner {
def main(args: Array[String]) = {
new NettyServer
}
}