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An client to talk to java/javascript written kontraktor "remoted actors"

Long-Poll client for http/json published kontraktor actors #

example Server ´´´java

import org.nustaq.kontraktor.; import org.nustaq.kontraktor.annotations.CallerSideMethod; import org.nustaq.kontraktor.annotations.Local; import org.nustaq.kontraktor.apputil.; import org.nustaq.kontraktor.impl.SimpleScheduler; import org.nustaq.kontraktor.remoting.encoding.Coding; import org.nustaq.kontraktor.remoting.encoding.SerializerType; import org.nustaq.kontraktor.remoting.http.undertow.Http4K; import org.nustaq.kontraktor.services.rlclient.DataClient; import org.nustaq.kontraktor.webapp.javascript.clojure.ClojureJSPostProcessor; import org.nustaq.kontraktor.webapp.transpiler.JSXIntrinsicTranspiler; import org.nustaq.reallive.messages.*; import org.nustaq.reallive.records.MapRecord;

import java.io.File; import java.util.Random; import java.util.concurrent.TimeUnit; import java.util.stream.IntStream;

public class ExampleServer extends Actor

public static ExampleServerConfig cfg;

// threads to dispatch session onto
private Scheduler clientThreads[];
private Random rand = new Random();
private ExampleServerService service;
private DataClient dclient;

@Local
public void init(String args[]) {
    clientThreads = new Scheduler[cfg.getNumSessionThreads()];
    IntStream.range(0,cfg.getNumSessionThreads())
        .forEach( i -> clientThreads[i] = new SimpleScheduler(10000, true /*Important!*/ ));
    service = ExampleServerService.start(args);
    service.setWebServer(self());
    dclient = service.getDClient();
}

@CallerSideMethod
public DataClient getDClient() {
    return getActor().dclient;
}

public IPromise test( String arg0 ) {
    return resolve("hello "+arg0);
}

public IPromise test1( String arg0, Callback cb ) {
    delayed(1000, () -> cb.pipe(arg0+" ->1"));
    delayed(2000, () -> cb.pipe(arg0+" ->2"));
    delayed(3000, () -> cb.complete());
    return resolve("hello callback "+arg0);
}

////////////////////// Session handling //////////////////////////////////////////////

public IPromise login(String email, String pwd, Callback events ) {
    if ( "".equals(email.trim()) ) {
        return reject("empty email");
    }
    Promise p = new Promise();
    getDClient().tbl(UserTableName).get(email.toLowerCase()).then( (r,e) -> {
        if ( r != null ) {
            UserRecord user = new UserRecord(r);
            if ( pwd.equals(user.getPwd()) ) {
                ExampleSession session = AsActor(
                    ExampleSession.class,
                    // randomly distribute session actors among clientThreads
                    clientThreads[rand.nextInt(clientThreads.length)]
                );
                session.init(user,self(),events);
                p.resolve(new LoginData().session(session).user(user)); // == new Promise(session)
            } else {
                p.reject("wrong user or password");
            }
        } else {
            p.reject("wrong user or password");
        }
    });
    return p;
}


///////////////////// config and startup ////////////////////////////////////////////

public static void main(String[] args) throws InterruptedException {

    if ( ! new File("./src/main/web/index.html").exists() ) {
        System.out.println("Please run with project working dir");
        System.exit(-1);
    }

    // separate&remove for distributed / clustered setup
    ExampleDataClusterStartup.main(new String[0]);

    ExampleServerConfig cfg = ExampleServerConfig.read("./run/etc/config.kson");
    ExampleServer.cfg = cfg;

    ExampleServer app = AsActor(ExampleServer.class);
    app.init(new String[] { "-sp", ""+5678, "-monitorport", "8082" } /*args*/);

    Mailer.DEBUG_MAIL = cfg.isDevMode();
    try {
        MailCfg mc = MailCfg.read("./run/etc/mailcfg.kson");
        Mailer.initSingleton( mc,cfg.publicUrl );
    } catch (Exception e) {
        e.printStackTrace();
        Mailer.initSingleton( new MailCfg(),cfg.publicUrl );
    }

    Class CLAZZES[] = {
        LoginData.class,
        SessionEvent.class,
    };

    Http4K.Build(cfg.getBindIp(), cfg.getBindPort())
        .fileRoot( "imgupload","./run/upload/image")
        .fileRoot( "img","./run/data/img")
        .httpAPI("/api", app) // could also be websocket based (see IntrinsicReactJSX github project)
            .coding(new Coding(SerializerType.JsonNoRef, CLAZZES))
            .setSessionTimeout(TimeUnit.MINUTES.toMillis(cfg.getSessionTimeoutMinutes() ))
            .buildHttpApi()
        .build();

}

}

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An client to talk to java/javascript written kontraktor "remoted actors"

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