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

Example 1 with VersionPayload

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

the class LocalControllerNode method onVersion.

/**
 * when a "version" message is received, update the peer's connection phase to
 * be "acknowledged" and set it's version to be the user agent in the payload.
 *
 * @param peer
 *            the peer that sent the message.
 * @param message
 *            the message.
 */
private void onVersion(final RemoteNodeControllerRunnable peer, final Message message) {
    if (stopped) {
        return;
    }
    final RemoteNodeData data = peer.getData();
    synchronized (data) {
        final VersionPayload payload = message.getPayload(VersionPayload.class);
        data.setVersion(payload.userAgent);
        final long blockHeight = payload.startHeight.asLong();
        data.setBlockHeight(blockHeight);
        data.setLastMessageTimestamp(System.currentTimeMillis());
        if (blockHeight > localNodeData.getBlockchainBlockHeight()) {
            localNodeData.setBlockchainBlockHeight(blockHeight);
        }
    }
    synchronized (RemoteNodeData.class) {
        data.setConnectionPhase(NodeConnectionPhaseEnum.ACKNOWLEDGED);
    }
    final boolean stalledBlockchain = isStalledBlockchain(data);
    if (stalledBlockchain) {
        if (LOG.isDebugEnabled()) {
            final String errorMessage = "recycling node {} with version {}" + " and stalled blockheight {} where our blockheight is {}";
            final long blockCount = localNodeData.getBlockDb().getBlockCount();
            LOG.debug(errorMessage, data.getHostAddress(), data.getVersion(), data.getBlockHeight(), blockCount);
        }
        data.setGoodPeer(false);
    }
    notifyNodeDataChangeListeners();
}