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Netty - anfix tech&beers
- 3. ¿Qué narices es esto?
- 5. Siempre hay un villano
- 6. Suppose you go to +Starbucks Coffee , you EnQueue (brush up Data Structures :P ) to order your coffee, you stay in the queue unFl you get your chance to order, and once you order and pay, you sFll stay there blocking the queue unFl you get your coffee, won't that be awkward ?? (if No then go Synchronous, that's best for you :) else come to the world of NeKy ) because we love Asynchronous things in life e.g Chat vs Call.
- 7. Síncrono no.... asíncrono!!! IO vs NIO 1) IO streams versus NIO blocks posiblidad de recorrer el buffer 2) Synchronous vs. Asynchronous IO stream -‐> hilo bloqueado nio -‐> mismo hilo sirve diferentes canales 3) IO Versus NIO APIs apis más sencillas, no necesidad de crear buffer
- 8. ServidorCliente HTTP FTP Mail Finanzas -‐ real Fme, otros Streaming Ficheros grandes Cliente HTTP Cliente FTP Cliente Mail Cliente Ficheros Cliente Finanzas Cliente Streaming
- 9. -‐ Complicado de programar por la heterogeneidad -‐ Mal rendimiento -‐ Mal escalado :((((
- 10. Framework para el desarrollo de clientes y servidores. Facilita toda la programación del protocolo. API unificada para diferentes transportes y protocolos. Diseñado para crear clientes-‐servidores altamente escalables y de alto rendimiento. Desarrollo fácil y rápido :) hKp://neKy.io -‐ proyecto de código abierto disponible en github Soporta SPDY!!!
- 12. Features Design • Unified API for various transport types -‐ blocking and non-‐blocking socket • Based on a flexible and extensible event model which allows clear separaBon of concerns • Highly customizable thread model -‐ single thread, one or more thread pools such as SEDA • True connecBonless datagram socket support (since 3.1) Ease of use • Well-‐documented Javadoc, user guide and examples • No addiBonal dependencies but JDK 1.5 (or above) Performance • BeTer throughput, lower latency • Less resource consumpBon • Minimized unnecessary memory copy Security • Complete SSL/TLS and StartTLS support Community • Release early, release oZen • The author has been wriBng similar frameworks since 2003 and he sBll finds your feed back precious!
- 13. Para empezar a cocinar con neKy... -‐ Ingredientes: -‐ Tener Java instalado (JDK 6) -‐ Tener descargado el proyecto de neKy.io -‐ 5.0.0 versión alpha (jdk 1.7) -‐ 4.0.17 la úlFma estable (jdk 1.6) -‐ También en modo “maven” -‐ Montarlo en Eclipse o Netbeans para un proyecto <dependencies> ... <dependency> <groupId>io.neKy</groupId> <arFfactId>neKy</arFfactId> <!-‐-‐ Use 'neKy-‐all' for 4.0 or above -‐-‐> <version>X.Y.Z.Q</version> <scope>compile</scope> </dependency> ... </dependencies>
- 14. Terminología: Channel: a abstractionfor communication or transfer of data (byte array) ChannelBuffer: Byte array which can provide random or direct data storage mechanism. ChannelPipeline: collection of handlers to process your events in the way you want. ChannelFactory: Resource allocators, like thread pools. ChannelHandler: Provides method to handle events on channel. ChannelEvents: Events like connected, exception raised, message recieved etc.
- 15. o lo vemos en acción o no me entero...
- 16. ¿y esto se usa?
- 17.
- 18. Facebook public void startServer() { // Create the handler MyService.Iface serviceInterface = new MyServiceHandler(); // Create the processor TProcessor processor = new MyService.Processor<>(serviceInterface); // Build the server definiFon ThrisServerDef serverDef = new ThrisServerDefBuilder().withProcessor(processor) .build(); // Create the server transport final NeKyServerTransport server = new NeKyServerTransport(serverDef, new NeKyConfigBuilder(), new DefaultChannelGroup(), new HashedWheelTimer()); // Create neKy boss and executor thread pools ExecutorService bossExecutor = Executors.newCachedThreadPool(); ExecutorService workerExecutor = Executors.newCachedThreadPool(); // Start the server server.start(bossExecutor, workerExecutor); // Arrange to stop the server at shutdown RunFme.getRunFme().addShutdownHook(new Thread() { @Override public void run() { try { server.stop(); } catch (InterruptedExcepFon e) { Thread.currentThread().interrupt(); } } }); } hKps://github.com/facebook/nisy
- 19.
- 20. -‐ hKps://github.com/neKy/neKy -‐ hKp://stackoverflow.com/quesFons/ tagged/neKy -‐hKps://twiKer.com/neKy_project -‐ hKp://neKy.io/wiki/developer-‐guide.html Comunidad
- 21.