Package io.netty.channel

Examples of io.netty.channel.FileRegion

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        RemotingCommand request =
                RemotingCommand.createRequestCommand(RequestCode.CHECK_TRANSACTION_STATE, requestHeader);
        request.markOnewayRPC();

        try {
            FileRegion fileRegion =
                    new OneMessageTransfer(request.encodeHeader(selectMapedBufferResult.getSize()),
                        selectMapedBufferResult);
            channel.writeAndFlush(fileRegion).addListener(new ChannelFutureListener() {
                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
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            }

            switch (response.getCode()) {
            case ResponseCode.SUCCESS:
                try {
                    FileRegion fileRegion =
                            new ManyMessageTransfer(response.encodeHeader(getMessageResult
                                .getBufferTotalSize()), getMessageResult);
                    channel.writeAndFlush(fileRegion).addListener(new ChannelFutureListener() {
                        @Override
                        public void operationComplete(ChannelFuture future) throws Exception {
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* @author <a href="mailto:nmaurer@redhat.com">Norman Maurer</a>
*/
public class DefaultFileRegionUsage {
    public static void transfer(Channel channel, File file) throws FileNotFoundException {
        FileInputStream in = new FileInputStream(file);
        FileRegion region = new DefaultFileRegion(in.getChannel(), 0, file.length());

        channel.writeAndFlush(region).addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                if (!future.isSuccess()) {
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        RemotingCommand request =
                RemotingCommand.createRequestCommand(RequestCode.CHECK_TRANSACTION_STATE, requestHeader);
        request.markOnewayRPC();

        try {
            FileRegion fileRegion =
                    new OneMessageTransfer(request.encodeHeader(selectMapedBufferResult.getSize()),
                        selectMapedBufferResult);
            channel.writeAndFlush(fileRegion).addListener(new ChannelFutureListener() {
                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
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        if (ch.pipeline().get(SslHandler.class) != null) {
            // Cannot use zero-copy with HTTPS.
            writeFuture = ch.write(new ChunkedFile(raf, 0, fileLength, 8192));
        } else {
            // No encryption - use zero-copy.
            final FileRegion region = new DefaultFileRegion(raf.getChannel(), 0, fileLength);
            writeFuture = ch.write(region);
            writeFuture.addListener(new ChannelFutureListener() {
                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
                    region.release();
                }
            });
        }

        writeFuture.addListener(ChannelFutureListener.CLOSE);
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        RemotingCommand request =
                RemotingCommand.createRequestCommand(RequestCode.CHECK_TRANSACTION_STATE, requestHeader);
        request.markOnewayRPC();

        try {
            FileRegion fileRegion =
                    new OneMessageTransfer(request.encodeHeader(selectMapedBufferResult.getSize()),
                        selectMapedBufferResult);
            channel.writeAndFlush(fileRegion).addListener(new ChannelFutureListener() {
                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
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        assertTrue(channel.writeOutbound(FILE_REGION));
        buffer = channel.readOutbound();
        assertEquals("80000000\r\n", buffer.toString(CharsetUtil.US_ASCII));
        buffer.release();

        FileRegion region = channel.readOutbound();
        assertSame(FILE_REGION, region);
        region.release();
        buffer = channel.readOutbound();
        assertEquals("\r\n", buffer.toString(CharsetUtil.US_ASCII));
        buffer.release();

        assertTrue(channel.writeOutbound(LastHttpContent.EMPTY_LAST_CONTENT));
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        cb.handler(ch);

        Channel sc = sb.bind().sync().channel();

        Channel cc = cb.connect().sync().channel();
        FileRegion region = new DefaultFileRegion(
                new FileInputStream(file).getChannel(), startOffset, data.length - bufferSize);
        FileRegion emptyRegion = new DefaultFileRegion(new FileInputStream(file).getChannel(), 0, 0);

        // Do write ByteBuf and then FileRegion to ensure that mixed writes work
        // Also, write an empty FileRegion to test if writing an empty FileRegion does not cause any issues.
        //
        // See https://github.com/netty/netty/issues/2769
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                } else {
                    incompleteWrite(setOpWrite);
                    break;
                }
            } else if (msg instanceof FileRegion) {
                FileRegion region = (FileRegion) msg;
                boolean done = region.transfered() >= region.count();
                boolean setOpWrite = false;

                if (!done) {
                    long flushedAmount = 0;
                    if (writeSpinCount == -1) {
                        writeSpinCount = config().getWriteSpinCount();
                    }

                    for (int i = writeSpinCount - 1; i >= 0; i--) {
                        long localFlushedAmount = doWriteFileRegion(region);
                        if (localFlushedAmount == 0) {
                            setOpWrite = true;
                            break;
                        }

                        flushedAmount += localFlushedAmount;
                        if (region.transfered() >= region.count()) {
                            done = true;
                            break;
                        }
                    }
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