Examples with Message neo.model.network.Message used on opensource projects

Example 1 with Message

use of neo.model.network.Message in project neo-java by coranos.

the class TestUtil method sendAsynchCommand.

public static void sendAsynchCommand(final OutputStream out, final CommandEnum command, final Optional<ByteArraySerializable> payload, final JSONObject error) throws IOException {
    final byte[] payloadBa;
    if (payload.isPresent()) {
        payloadBa = payload.get().toByteArray();
    } else {
        payloadBa = new byte[0];
    }
    final Message requestMessage = new Message(TestUtil.MAIN_NET_MAGIC, command, payloadBa);
    final byte[] requestBa = requestMessage.toByteArray();
    LOG.info(">>>:{}", Hex.encodeHexString(requestBa));
    out.write(requestBa);
}

Example 2 with Message

use of neo.model.network.Message in project neo-java by coranos.

the class MessageUtil method sendGetHeaders.

/**
 * send a message to get header data.
 *
 * @param remoteNodeData
 *            the remote node data to use.
 * @param localNodeData
 *            the local node data to use.
 * @param hash
 *            the hash to use.
 */
public static void sendGetHeaders(final RemoteNodeData remoteNodeData, final LocalNodeData localNodeData, final UInt256 hash) {
    LOG.debug("sendGetHeaders requesting hash:{};", hash);
    remoteNodeData.send(new Message(localNodeData.getMagic(), CommandEnum.GETHEADERS, new GetBlocksPayload(hash, null).toByteArray()));
}

Example 3 with Message

use of neo.model.network.Message in project neo-java by coranos.

the class MessageUtil method sendGetData.

/**
 * send a message to get block data.
 *
 * @param remoteNodeData
 *            the remote node data to use.
 * @param localNodeData
 *            the local node data to use.
 * @param type
 *            the inventory type.
 * @param hashs
 *            the hashes to use.
 */
public static void sendGetData(final RemoteNodeData remoteNodeData, final LocalNodeData localNodeData, final InventoryType type, final UInt256... hashs) {
    if (type.equals(InventoryType.BLOCK)) {
        boolean hasDuplicates = false;
        for (final UInt256 hash : hashs) {
            if (localNodeData.getBlockDb().containsBlockWithHash(hash)) {
                hasDuplicates = true;
                LOG.debug("sendGetData requesting duplicate block hash:{}", hash);
            }
        }
        if (hasDuplicates) {
            MapUtil.increment(LocalNodeData.API_CALL_MAP, DUPLICATE_OUT_BLOCK);
        }
    }
    remoteNodeData.send(new Message(localNodeData.getMagic(), CommandEnum.GETDATA, new InvPayload(type, hashs).toByteArray()));
}

Example 4 with Message

use of neo.model.network.Message in project neo-java by coranos.

the class RemoteNodeControllerRunnable method run.

/**
 * the run method.
 */
@Override
public void run() {
    LOG.debug("STARTED RemoteNodeControllerRunnable run {}", data.getHostAddress());
    final long startTimeMs = System.currentTimeMillis();
    final LocalNodeData localNodeData = localControllerNode.getLocalNodeData();
    final long readTimeOut = localNodeData.getRpcServerTimeoutMillis();
    final long magic = localNodeData.getMagic();
    final int localPort = localNodeData.getTcpPort();
    final int nonce = localNodeData.getNonce();
    final Block maxStartHeightBlock = localNodeData.getBlockDb().getHeaderOfBlockWithMaxIndex();
    final long startHeight;
    if (maxStartHeightBlock == null) {
        startHeight = 0;
    } else {
        startHeight = maxStartHeightBlock.getIndexAsLong();
    }
    data.getSendQueue().add(new Message(magic, CommandEnum.VERSION, PayloadUtil.getVersionPayload(localPort, nonce, startHeight).toByteArray()));
    data.getSendQueue().add(new Message(magic, CommandEnum.VERACK));
    try {
        try (SocketWrapper s = localNodeData.getSocketFactory().newSocketWrapper()) {
            s.setSoTimeout(2000);
            s.connect(data.getTcpAddressAndPort(), 2000);
            try (OutputStream out = s.getOutputStream();
                InputStream in = s.getInputStream()) {
                data.setGoodPeer(true);
                while (data.isGoodPeer()) {
                    sendMessages(out);
                    out.flush();
                    try {
                        Thread.sleep(data.getSleepIntervalMs());
                    } catch (final InterruptedException e) {
                        LOG.debug("InterruptedException[1], stopping. {}", e.getMessage());
                        data.setGoodPeer(false);
                    }
                    if (data.isGoodPeer()) {
                        recieveMessages(readTimeOut, magic, in);
                    }
                    final long currTimeMs = System.currentTimeMillis();
                    final long recycleTimeMs = startTimeMs + data.getRecycleIntervalMs();
                    if (recycleTimeMs < currTimeMs) {
                        LOG.debug("recycling remote node {}", data.getHostAddress());
                        data.setGoodPeer(false);
                    }
                    if (data.isGoodPeer()) {
                        try {
                            Thread.sleep(data.getSleepIntervalMs());
                        } catch (final InterruptedException e) {
                            LOG.debug("InterruptedException[2], stopping. {}", e.getMessage());
                            data.setGoodPeer(false);
                        }
                    }
                }
            }
        } catch (final SocketTimeoutException e) {
            LOG.trace("SocketTimeoutException[2] from {}, closing peer", data.getHostAddress());
            LOG.trace("SocketTimeoutException[2]", e);
            data.setGoodPeer(false);
        } catch (final ConnectException e) {
            LOG.trace("ConnectException from {}, closing peer", data.getHostAddress());
            LOG.trace("ConnectException", e);
            data.setGoodPeer(false);
        } catch (final MessageFormatException e) {
            LOG.trace("MessageFormatException from {}, closing peer", data.getHostAddress());
            LOG.trace("MessageFormatException", e);
            data.setGoodPeer(false);
        } catch (final SocketException e) {
            if (e.getMessage().equals("Broken pipe (Write failed)")) {
                LOG.trace("SocketException from {}, broken pipe, closing peer", data.getHostAddress());
            } else if (e.getMessage().equals("Operation timed out (Read failed)")) {
                LOG.trace("SocketException from {}, timeout, closing peer", data.getHostAddress());
            } else if (e.getMessage().equals("Connection reset")) {
                LOG.trace("SocketException from {}, connection reset, closing peer", data.getHostAddress());
            } else if (e.getMessage().equals("Network is unreachable (connect failed)")) {
                LOG.trace("SocketException from {}, unreachable network, closing peer", data.getHostAddress());
            } else if (e.getMessage().equals("Protocol wrong type for socket (Write failed)")) {
                LOG.trace("SocketException from {}, wrong protocol, closing peer", data.getHostAddress());
            } else {
                LOG.error("SocketException from {}, closing peer", data.getHostAddress());
                LOG.error("SocketException", e);
            }
            data.setGoodPeer(false);
        } catch (final ClosedChannelException e) {
            LOG.trace("ClosedChannelException from {}, closing peer", data.getHostAddress());
            data.setGoodPeer(false);
        }
    } catch (final Exception e) {
        LOG.error("error", e);
        LOG.debug("FAILURE RemoteNodeControllerRunnable run");
        localControllerNode.onSocketClose(RemoteNodeControllerRunnable.this);
        return;
    }
    localControllerNode.onSocketClose(RemoteNodeControllerRunnable.this);
    LOG.debug("SUCCESS RemoteNodeControllerRunnable run");
}

Example 5 with Message

use of neo.model.network.Message in project neo-java by coranos.

the class TestUtil method sendAsynchCommand.

public static Message sendAsynchCommand(final String host, final int port, final CommandEnum command, final Optional<ByteArraySerializable> payload, final JSONObject error) throws IOException {
    final byte[] payloadBa;
    if (payload.isPresent()) {
        payloadBa = payload.get().toByteArray();
    } else {
        payloadBa = new byte[0];
    }
    final Message requestMessage = new Message(TestUtil.MAIN_NET_MAGIC, command, payloadBa);
    final byte[] requestBa = requestMessage.toByteArray();
    LOG.info(">>>:{}", Hex.encodeHexString(requestBa));
    final byte[] responseBa = sendAsynch(host, port, requestBa, error);
    LOG.info("<<<:{}", Hex.encodeHexString(responseBa));
    if (responseBa.length == 0) {
        return null;
    }
    final ByteBuffer bb = ByteBuffer.wrap(responseBa);
    final Message responseMessage = new Message(bb);
    if (responseMessage.magic != MAIN_NET_MAGIC) {
        throw new RuntimeException("response magic was " + responseMessage.magic + " expected " + MAIN_NET_MAGIC);
    }
    return responseMessage;
}