Examples with GetBlocksResponse bisq.core.dao.node.messages.GetBlocksResponse used on opensource projects

Example 1 with GetBlocksResponse

use of bisq.core.dao.node.messages.GetBlocksResponse in project bisq-core by bisq-network.

the class RequestBlocksHandler method onMessage.

// /////////////////////////////////////////////////////////////////////////////////////////
// MessageListener implementation
// /////////////////////////////////////////////////////////////////////////////////////////
@Override
public void onMessage(NetworkEnvelope networkEnvelope, Connection connection) {
    if (networkEnvelope instanceof GetBlocksResponse) {
        if (connection.getPeersNodeAddressOptional().isPresent() && connection.getPeersNodeAddressOptional().get().equals(nodeAddress)) {
            Log.traceCall(networkEnvelope.toString() + "\n\tconnection=" + connection);
            if (!stopped) {
                GetBlocksResponse getBlocksResponse = (GetBlocksResponse) networkEnvelope;
                if (getBlocksResponse.getRequestNonce() == nonce) {
                    stopTimeoutTimer();
                    checkArgument(connection.getPeersNodeAddressOptional().isPresent(), "RequestDataHandler.onMessage: connection.getPeersNodeAddressOptional() must be present " + "at that moment");
                    cleanup();
                    listener.onComplete(getBlocksResponse);
                } else {
                    log.warn("Nonce not matching. That can happen rarely if we get a response after a canceled " + "handshake (timeout causes connection close but peer might have sent a msg before " + "connection was closed).\n\t" + "We drop that message. nonce={} / requestNonce={}", nonce, getBlocksResponse.getRequestNonce());
                }
            } else {
                log.warn("We have stopped already. We ignore that onDataRequest call.");
            }
        } else {
            log.warn("We got a message from another connection and ignore it. That should never happen.");
        }
    }
}

Example 2 with GetBlocksResponse

use of bisq.core.dao.node.messages.GetBlocksResponse in project bisq-core by bisq-network.

the class GetBlocksRequestHandler method onGetBlocksRequest.

// /////////////////////////////////////////////////////////////////////////////////////////
// API
// /////////////////////////////////////////////////////////////////////////////////////////
public void onGetBlocksRequest(GetBlocksRequest getBlocksRequest, final Connection connection) {
    Log.traceCall(getBlocksRequest + "\n\tconnection=" + connection);
    List<Block> blocks = new LinkedList<>(bsqStateService.getBlocksFromBlockHeight(getBlocksRequest.getFromBlockHeight()));
    List<RawBlock> rawBlocks = blocks.stream().map(RawBlock::fromBlock).collect(Collectors.toList());
    final GetBlocksResponse getBlocksResponse = new GetBlocksResponse(rawBlocks, getBlocksRequest.getNonce());
    log.debug("getBlocksResponse " + getBlocksResponse.getRequestNonce());
    if (timeoutTimer == null) {
        timeoutTimer = UserThread.runAfter(() -> {
            // setup before sending to avoid race conditions
            String errorMessage = "A timeout occurred for getBlocksResponse:" + getBlocksResponse + " on connection:" + connection;
            handleFault(errorMessage, CloseConnectionReason.SEND_MSG_TIMEOUT, connection);
        }, TIMEOUT, TimeUnit.SECONDS);
    }
    SettableFuture<Connection> future = networkNode.sendMessage(connection, getBlocksResponse);
    Futures.addCallback(future, new FutureCallback<Connection>() {

        @Override
        public void onSuccess(Connection connection) {
            if (!stopped) {
                log.trace("Send DataResponse to {} succeeded. getBlocksResponse={}", connection.getPeersNodeAddressOptional(), getBlocksResponse);
                cleanup();
                listener.onComplete();
            } else {
                log.trace("We have stopped already. We ignore that networkNode.sendMessage.onSuccess call.");
            }
        }

        @Override
        public void onFailure(@NotNull Throwable throwable) {
            if (!stopped) {
                String errorMessage = "Sending getBlocksResponse to " + connection + " failed. That is expected if the peer is offline. getBlocksResponse=" + getBlocksResponse + "." + "Exception: " + throwable.getMessage();
                handleFault(errorMessage, CloseConnectionReason.SEND_MSG_FAILURE, connection);
            } else {
                log.trace("We have stopped already. We ignore that networkNode.sendMessage.onFailure call.");
            }
        }
    });
}