105 lines
3.7 KiB
Java
105 lines
3.7 KiB
Java
package it.tdlight.reactiveapi;
|
|
|
|
import it.tdlight.jni.TdApi.Object;
|
|
import it.tdlight.reactiveapi.Event.ClientBoundEvent;
|
|
import it.tdlight.reactiveapi.Event.OnRequest;
|
|
import it.tdlight.reactiveapi.Event.OnResponse;
|
|
import java.io.Closeable;
|
|
import java.time.Duration;
|
|
import java.util.Map;
|
|
import java.util.Map.Entry;
|
|
import java.util.concurrent.atomic.AtomicReference;
|
|
import java.util.stream.Collectors;
|
|
import org.apache.logging.log4j.LogManager;
|
|
import org.apache.logging.log4j.Logger;
|
|
import reactor.core.Disposable;
|
|
import reactor.core.publisher.Flux;
|
|
import reactor.core.publisher.Mono;
|
|
import reactor.core.publisher.Sinks;
|
|
import reactor.core.publisher.Sinks.EmitFailureHandler;
|
|
import reactor.core.publisher.Sinks.Many;
|
|
import reactor.core.scheduler.Schedulers;
|
|
import reactor.util.concurrent.Queues;
|
|
import reactor.util.retry.Retry;
|
|
import reactor.util.retry.RetryBackoffSpec;
|
|
|
|
public class TdlibChannelsSharedReceive implements Closeable {
|
|
|
|
private static final Logger LOG = LogManager.getLogger(TdlibChannelsSharedReceive.class);
|
|
|
|
private static final RetryBackoffSpec RETRY_STRATEGY = Retry
|
|
.backoff(Long.MAX_VALUE, Duration.ofSeconds(1))
|
|
.maxBackoff(Duration.ofSeconds(16))
|
|
.jitter(1.0)
|
|
.doBeforeRetry(signal -> LOG.warn("Retrying channel with signal {}", signal));
|
|
|
|
private final TdlibChannelsClients tdClientsChannels;
|
|
private final AtomicReference<Disposable> responsesSub = new AtomicReference<>();
|
|
private final Disposable requestsSub;
|
|
private final AtomicReference<Disposable> eventsSub = new AtomicReference<>();
|
|
private final Flux<Timestamped<OnResponse<Object>>> responses;
|
|
private final Map<String, Flux<Timestamped<ClientBoundEvent>>> events;
|
|
private final Many<OnRequest<?>> requests = Sinks.many().multicast().onBackpressureBuffer(65535);
|
|
|
|
public TdlibChannelsSharedReceive(TdlibChannelsClients tdClientsChannels) {
|
|
this.tdClientsChannels = tdClientsChannels;
|
|
this.responses = tdClientsChannels
|
|
.response()
|
|
.consumeMessages()
|
|
.repeatWhen(n -> n.delayElements(Duration.ofSeconds(5)))
|
|
.retryWhen(RETRY_STRATEGY)
|
|
.doFinally(s -> LOG.debug("Input responses flux terminated with signal {}", s));
|
|
this.events = tdClientsChannels.events().entrySet().stream()
|
|
.collect(Collectors.toUnmodifiableMap(Entry::getKey,
|
|
e -> e
|
|
.getValue()
|
|
.consumeMessages()
|
|
.repeatWhen(n -> n.delayElements(Duration.ofSeconds(5)))
|
|
.retryWhen(RETRY_STRATEGY)
|
|
.doFinally(s -> LOG.debug("Input events flux of lane \"{}\" terminated with signal {}", e.getKey(), s))
|
|
));
|
|
var requestsFlux = Flux.defer(() -> requests.asFlux()
|
|
.doFinally(s -> LOG.debug("Output requests flux terminated with signal {}", s)));
|
|
this.requestsSub = tdClientsChannels.request()
|
|
.sendMessages(requestsFlux)
|
|
.repeatWhen(n -> n.delayElements(Duration.ofSeconds(5)))
|
|
.retryWhen(RETRY_STRATEGY)
|
|
.subscribeOn(Schedulers.parallel())
|
|
.subscribe(n -> {}, ex -> requests.emitError(ex, EmitFailureHandler.busyLooping(Duration.ofMillis(100))));
|
|
}
|
|
|
|
public Flux<Timestamped<OnResponse<Object>>> responses() {
|
|
return responses;
|
|
}
|
|
|
|
public Flux<Timestamped<ClientBoundEvent>> events(String lane) {
|
|
var result = events.get(lane);
|
|
if (result == null) {
|
|
throw new IllegalArgumentException("No lane " + lane);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
public Map<String, Flux<Timestamped<ClientBoundEvent>>> events() {
|
|
return events;
|
|
}
|
|
|
|
public Many<OnRequest<?>> requests() {
|
|
return requests;
|
|
}
|
|
|
|
@Override
|
|
public void close() {
|
|
requestsSub.dispose();
|
|
var responsesSub = this.responsesSub.get();
|
|
if (responsesSub != null) {
|
|
responsesSub.dispose();
|
|
}
|
|
var eventsSub = this.eventsSub.get();
|
|
if (eventsSub != null) {
|
|
eventsSub.dispose();
|
|
}
|
|
tdClientsChannels.close();
|
|
}
|
|
}
|