Examples with ChannelFutureListener org.apache.hbase.thirdparty.io.netty.channel.ChannelFutureListener used on opensource projects

Example 1 with ChannelFutureListener

use of org.apache.hbase.thirdparty.io.netty.channel.ChannelFutureListener in project hbase by apache.

the class NettyRpcConnection method connect.

private void connect() throws UnknownHostException {
    assert eventLoop.inEventLoop();
    LOG.trace("Connecting to {}", remoteId.getAddress());
    InetSocketAddress remoteAddr = getRemoteInetAddress(rpcClient.metrics);
    this.channel = new Bootstrap().group(eventLoop).channel(rpcClient.channelClass).option(ChannelOption.TCP_NODELAY, rpcClient.isTcpNoDelay()).option(ChannelOption.SO_KEEPALIVE, rpcClient.tcpKeepAlive).option(ChannelOption.CONNECT_TIMEOUT_MILLIS, rpcClient.connectTO).handler(new BufferCallBeforeInitHandler()).localAddress(rpcClient.localAddr).remoteAddress(remoteAddr).connect().addListener(new ChannelFutureListener() {

        @Override
        public void operationComplete(ChannelFuture future) throws Exception {
            Channel ch = future.channel();
            if (!future.isSuccess()) {
                failInit(ch, toIOE(future.cause()));
                rpcClient.failedServers.addToFailedServers(remoteId.getAddress(), future.cause());
                return;
            }
            ch.writeAndFlush(connectionHeaderPreamble.retainedDuplicate());
            if (useSasl) {
                saslNegotiate(ch);
            } else {
                // send the connection header to server
                ch.write(connectionHeaderWithLength.retainedDuplicate());
                established(ch);
            }
        }
    }).channel();
}

Example 2 with ChannelFutureListener

use of org.apache.hbase.thirdparty.io.netty.channel.ChannelFutureListener in project hbase by apache.

the class FanOutOneBlockAsyncDFSOutputHelper method connectToDataNodes.

private static List<Future<Channel>> connectToDataNodes(Configuration conf, DFSClient client, String clientName, LocatedBlock locatedBlock, long maxBytesRcvd, long latestGS, BlockConstructionStage stage, DataChecksum summer, EventLoopGroup eventLoopGroup, Class<? extends Channel> channelClass) {
    StorageType[] storageTypes = locatedBlock.getStorageTypes();
    DatanodeInfo[] datanodeInfos = locatedBlock.getLocations();
    boolean connectToDnViaHostname = conf.getBoolean(DFS_CLIENT_USE_DN_HOSTNAME, DFS_CLIENT_USE_DN_HOSTNAME_DEFAULT);
    int timeoutMs = conf.getInt(DFS_CLIENT_SOCKET_TIMEOUT_KEY, READ_TIMEOUT);
    ExtendedBlock blockCopy = new ExtendedBlock(locatedBlock.getBlock());
    blockCopy.setNumBytes(locatedBlock.getBlockSize());
    ClientOperationHeaderProto header = ClientOperationHeaderProto.newBuilder().setBaseHeader(BaseHeaderProto.newBuilder().setBlock(PBHelperClient.convert(blockCopy)).setToken(PBHelperClient.convert(locatedBlock.getBlockToken()))).setClientName(clientName).build();
    ChecksumProto checksumProto = DataTransferProtoUtil.toProto(summer);
    OpWriteBlockProto.Builder writeBlockProtoBuilder = OpWriteBlockProto.newBuilder().setHeader(header).setStage(OpWriteBlockProto.BlockConstructionStage.valueOf(stage.name())).setPipelineSize(1).setMinBytesRcvd(locatedBlock.getBlock().getNumBytes()).setMaxBytesRcvd(maxBytesRcvd).setLatestGenerationStamp(latestGS).setRequestedChecksum(checksumProto).setCachingStrategy(CachingStrategyProto.newBuilder().setDropBehind(true).build());
    List<Future<Channel>> futureList = new ArrayList<>(datanodeInfos.length);
    for (int i = 0; i < datanodeInfos.length; i++) {
        DatanodeInfo dnInfo = datanodeInfos[i];
        StorageType storageType = storageTypes[i];
        Promise<Channel> promise = eventLoopGroup.next().newPromise();
        futureList.add(promise);
        String dnAddr = dnInfo.getXferAddr(connectToDnViaHostname);
        new Bootstrap().group(eventLoopGroup).channel(channelClass).option(CONNECT_TIMEOUT_MILLIS, timeoutMs).handler(new ChannelInitializer<Channel>() {

            @Override
            protected void initChannel(Channel ch) throws Exception {
            // we need to get the remote address of the channel so we can only move on after
            // channel connected. Leave an empty implementation here because netty does not allow
            // a null handler.
            }
        }).connect(NetUtils.createSocketAddr(dnAddr)).addListener(new ChannelFutureListener() {

            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                if (future.isSuccess()) {
                    initialize(conf, future.channel(), dnInfo, storageType, writeBlockProtoBuilder, timeoutMs, client, locatedBlock.getBlockToken(), promise);
                } else {
                    promise.tryFailure(future.cause());
                }
            }
        });
    }
    return futureList;
}