Examples with Stream io.libp2p.core.Stream used on opensource projects

Example 1 with Stream

use of io.libp2p.core.Stream in project teku by ConsenSys.

the class RpcHandler method sendRequest.

public SafeFuture<RpcStreamController<TOutgoingHandler>> sendRequest(Connection connection, TRequest request, TRespHandler responseHandler) {
    final Bytes initialPayload;
    try {
        initialPayload = rpcMethod.encodeRequest(request);
    } catch (Exception e) {
        return SafeFuture.failedFuture(e);
    }
    Interruptor closeInterruptor = SafeFuture.createInterruptor(connection.closeFuture(), PeerDisconnectedException::new);
    Interruptor timeoutInterruptor = SafeFuture.createInterruptor(asyncRunner.getDelayedFuture(TIMEOUT), () -> new StreamTimeoutException("Timed out waiting to initialize stream for protocol(s): " + String.join(",", rpcMethod.getIds())));
    return SafeFuture.notInterrupted(closeInterruptor).thenApply(__ -> connection.muxerSession().createStream(this)).thenWaitFor(StreamPromise::getStream).orInterrupt(closeInterruptor, timeoutInterruptor).thenCompose(streamPromise -> {
        final SafeFuture<String> protocolIdFuture = SafeFuture.of(streamPromise.getStream().thenCompose(Stream::getProtocol));
        // waiting for controller, writing initial payload or interrupt
        return SafeFuture.of(streamPromise.getController()).<String, RpcStreamController<TOutgoingHandler>>thenCombine(protocolIdFuture, (controller, protocolId) -> {
            final TOutgoingHandler handler = rpcMethod.createOutgoingRequestHandler(protocolId, request, responseHandler);
            controller.setOutgoingRequestHandler(handler);
            return controller;
        }).orInterrupt(closeInterruptor, timeoutInterruptor).thenWaitFor(controller -> controller.getRpcStream().writeBytes(initialPayload)).orInterrupt(closeInterruptor, timeoutInterruptor).whenException(err -> closeStreamAbruptly(streamPromise.getStream().join()));
    }).catchAndRethrow(err -> {
        if (ExceptionUtil.getCause(err, ConnectionClosedException.class).isPresent()) {
            throw new PeerDisconnectedException(err);
        }
    });
}