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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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53
kernel/src/main/scala/nio/NettyClient.scala
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@ -16,10 +16,11 @@ import org.jboss.netty.bootstrap.ClientBootstrap
import org.jboss.netty.channel.socket.nio.NioClientSocketChannelFactory
import org.jboss.netty.channel._
class NettyClient extends Logging {
object NettyClient extends Logging {
private val HOSTNAME = "localhost"
private val PORT = 9999
@volatile private var isRunning = false
private val futures = new ConcurrentHashMap[Long, CompletableFutureResult]
private val channelFactory = new NioClientSocketChannelFactory(
@ -33,22 +34,31 @@ class NettyClient extends Logging {
bootstrap.setOption("tcpNoDelay", true)
bootstrap.setOption("keepAlive", true)
private val connection = bootstrap.connect(new InetSocketAddress(HOSTNAME, PORT))
log.info("Starting NIO client at [%s:%s]", HOSTNAME, PORT)
private var connection: ChannelFuture = _
// Wait until the connection attempt succeeds or fails.
connection.awaitUninterruptibly
if (!connection.isSuccess) {
log.error("Connection has failed due to [%s]", connection.getCause)
connection.getCause.printStackTrace
def connect = synchronized {
if (!isRunning) {
connection = bootstrap.connect(new InetSocketAddress(HOSTNAME, PORT))
log.info("Starting NIO client at [%s:%s]", HOSTNAME, PORT)
// Wait until the connection attempt succeeds or fails.
connection.awaitUninterruptibly
if (!connection.isSuccess) {
log.error("Connection has failed due to [%s]", connection.getCause)
connection.getCause.printStackTrace
}
isRunning = true
}
}
def shutdown = {
connection.getChannel.getCloseFuture.awaitUninterruptibly
channelFactory.releaseExternalResources
def shutdown = synchronized {
if (!isRunning) {
connection.getChannel.getCloseFuture.awaitUninterruptibly
channelFactory.releaseExternalResources
}
}
def send(request: RemoteRequest): CompletableFutureResult = {
def send(request: RemoteRequest): CompletableFutureResult = if (isRunning) {
val escapedRequest = escapeRequest(request)
if (escapedRequest.isOneWay) {
connection.getChannel.write(escapedRequest)
@ -61,18 +71,20 @@ class NettyClient extends Logging {
futureResult
}
}
}
} else throw new IllegalStateException("Netty client is not running, make sure you have invoked 'connect' before using the client")
private def escapeRequest(request: RemoteRequest) = {
if (request.message.isInstanceOf[Array[Object]]) {
val args = request.message.asInstanceOf[Array[Object]].toList.asInstanceOf[scala.List[Object]]
var isEscaped = false
val escapedArgs = for (arg <- args) yield {
val clazz = arg.getClass
if (clazz.getName.contains("$$ProxiedByAW")) {
isEscaped = true
new ProxyWrapper(clazz.getSuperclass.getName)
} else arg
}
request.cloneWithNewMessage(escapedArgs)
request.cloneWithNewMessage(escapedArgs, isEscaped)
} else request
}
}
@ -105,11 +117,8 @@ class ObjectClientHandler(val futures: ConcurrentMap[Long, CompletableFutureResu
if (result.isInstanceOf[RemoteReply]) {
val reply = result.asInstanceOf[RemoteReply]
val future = futures.get(reply.id)
if (reply.successful) {
future.completeWithResult(reply.message)
} else {
future.completeWithException(null, reply.exception)
}
if (reply.successful) future.completeWithResult(reply.message)
else future.completeWithException(null, reply.exception)
} else throw new IllegalArgumentException("Unknown message received in NIO client handler: " + result)
} catch {
case e: Exception => log.error("Unexpected exception in NIO client handler: %s", e); throw e
@ -121,9 +130,3 @@ class ObjectClientHandler(val futures: ConcurrentMap[Long, CompletableFutureResu
event.getChannel.close
}
}
object NettyClientRunner {
def main(args: Array[String]) = {
new NettyClient
}
}