private void stopConfiguration() throws Exception {
if (configuration == null) {
// abort received but script not prepared, therefore entire script failed
if (progress == null) {
progress = new ScriptProgress(newSequential(0, 0), "");
}
RegionInfo scriptInfo = progress.getScriptInfo();
progress.addScriptFailure(scriptInfo);
} else {
// stopping the configuration will implicitly trigger the script complete listener
// to handle incomplete script that is being aborted by canceling the finish future
// clear out the pipelines for new connections to avoid impacting the observed script
for (ServerBootstrapResolver serverResolver : configuration.getServerResolvers()) {
ServerBootstrap server = serverResolver.resolve();
server.setPipelineFactory(pipelineFactory(pipeline(closeOnExceptionHandler)));
}
for (ClientBootstrapResolver clientResolver : configuration.getClientResolvers()) {
ClientBootstrap client = clientResolver.resolve();
client.setPipelineFactory(pipelineFactory(pipeline(closeOnExceptionHandler)));
}
// remove each handler from the configuration pipelines
// this will trigger failures for any handlers on a pipeline for an incomplete stream
// including pipelines not yet associated with any channel
for (ChannelPipeline pipeline : configuration.getClientAndServerPipelines()) {
stopStream(pipeline);
}
// cancel any pending binds and connects
for (ChannelFuture bindFuture : bindFutures) {
bindFuture.cancel();
}
for (ChannelFuture connectFuture : connectFutures) {
connectFuture.cancel();
}
// close server and client channels
final ChannelGroupFuture closeFuture = serverChannels.close();
closeFuture.addListener(
new ChannelGroupFutureListener() {
@Override
public void operationComplete(final ChannelGroupFuture future) {
clientChannels.close();
}
});
for (AutoCloseable resource : configuration.getResources()) {
try {
resource.close();
} catch (Exception e) {
// ignore
}
}
}
}
@Override
public void close() {
allChannels.close().awaitUninterruptibly();
channelFactory.releaseExternalResources();
}