http://git-wip-us.apache.org/repos/asf/hbase-site/blob/071f974b/devapidocs/src-html/org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html b/devapidocs/src-html/org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html index 555d97e..15c318d 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutput.html @@ -70,29 +70,34 @@ <span class="sourceLineNo">062</span> int buffered();<a name="line.62"></a> <span class="sourceLineNo">063</span><a name="line.63"></a> <span class="sourceLineNo">064</span> /**<a name="line.64"></a> -<span class="sourceLineNo">065</span> * Return current pipeline. Empty array if no pipeline.<a name="line.65"></a> +<span class="sourceLineNo">065</span> * Whether the stream is broken.<a name="line.65"></a> <span class="sourceLineNo">066</span> */<a name="line.66"></a> -<span class="sourceLineNo">067</span> DatanodeInfo[] getPipeline();<a name="line.67"></a> +<span class="sourceLineNo">067</span> boolean isBroken();<a name="line.67"></a> <span class="sourceLineNo">068</span><a name="line.68"></a> <span class="sourceLineNo">069</span> /**<a name="line.69"></a> -<span class="sourceLineNo">070</span> * Flush the buffer out.<a name="line.70"></a> -<span class="sourceLineNo">071</span> * @param sync persistent the data to device<a name="line.71"></a> -<span class="sourceLineNo">072</span> * @return A CompletableFuture that hold the acked length after flushing.<a name="line.72"></a> -<span class="sourceLineNo">073</span> */<a name="line.73"></a> -<span class="sourceLineNo">074</span> CompletableFuture<Long> flush(boolean sync);<a name="line.74"></a> -<span class="sourceLineNo">075</span><a name="line.75"></a> -<span class="sourceLineNo">076</span> /**<a name="line.76"></a> -<span class="sourceLineNo">077</span> * The close method when error occurred.<a name="line.77"></a> +<span class="sourceLineNo">070</span> * Return current pipeline. Empty array if no pipeline.<a name="line.70"></a> +<span class="sourceLineNo">071</span> */<a name="line.71"></a> +<span class="sourceLineNo">072</span> DatanodeInfo[] getPipeline();<a name="line.72"></a> +<span class="sourceLineNo">073</span><a name="line.73"></a> +<span class="sourceLineNo">074</span> /**<a name="line.74"></a> +<span class="sourceLineNo">075</span> * Flush the buffer out.<a name="line.75"></a> +<span class="sourceLineNo">076</span> * @param sync persistent the data to device<a name="line.76"></a> +<span class="sourceLineNo">077</span> * @return A CompletableFuture that hold the acked length after flushing.<a name="line.77"></a> <span class="sourceLineNo">078</span> */<a name="line.78"></a> -<span class="sourceLineNo">079</span> void recoverAndClose(CancelableProgressable reporter) throws IOException;<a name="line.79"></a> +<span class="sourceLineNo">079</span> CompletableFuture<Long> flush(boolean sync);<a name="line.79"></a> <span class="sourceLineNo">080</span><a name="line.80"></a> <span class="sourceLineNo">081</span> /**<a name="line.81"></a> -<span class="sourceLineNo">082</span> * Close the file. You should call {@link #recoverAndClose(CancelableProgressable)} if this method<a name="line.82"></a> -<span class="sourceLineNo">083</span> * throws an exception.<a name="line.83"></a> -<span class="sourceLineNo">084</span> */<a name="line.84"></a> -<span class="sourceLineNo">085</span> @Override<a name="line.85"></a> -<span class="sourceLineNo">086</span> void close() throws IOException;<a name="line.86"></a> -<span class="sourceLineNo">087</span>}<a name="line.87"></a> +<span class="sourceLineNo">082</span> * The close method when error occurred.<a name="line.82"></a> +<span class="sourceLineNo">083</span> */<a name="line.83"></a> +<span class="sourceLineNo">084</span> void recoverAndClose(CancelableProgressable reporter) throws IOException;<a name="line.84"></a> +<span class="sourceLineNo">085</span><a name="line.85"></a> +<span class="sourceLineNo">086</span> /**<a name="line.86"></a> +<span class="sourceLineNo">087</span> * Close the file. You should call {@link #recoverAndClose(CancelableProgressable)} if this method<a name="line.87"></a> +<span class="sourceLineNo">088</span> * throws an exception.<a name="line.88"></a> +<span class="sourceLineNo">089</span> */<a name="line.89"></a> +<span class="sourceLineNo">090</span> @Override<a name="line.90"></a> +<span class="sourceLineNo">091</span> void close() throws IOException;<a name="line.91"></a> +<span class="sourceLineNo">092</span>}<a name="line.92"></a>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/071f974b/devapidocs/src-html/org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutputHelper.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutputHelper.html b/devapidocs/src-html/org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutputHelper.html index 9b7087a..1ce05b0 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutputHelper.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/io/asyncfs/AsyncFSOutputHelper.html @@ -26,160 +26,59 @@ <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.io.asyncfs;<a name="line.18"></a> <span class="sourceLineNo">019</span><a name="line.19"></a> <span class="sourceLineNo">020</span>import java.io.IOException;<a name="line.20"></a> -<span class="sourceLineNo">021</span>import java.io.InterruptedIOException;<a name="line.21"></a> -<span class="sourceLineNo">022</span>import java.nio.ByteBuffer;<a name="line.22"></a> -<span class="sourceLineNo">023</span>import java.util.concurrent.CompletableFuture;<a name="line.23"></a> -<span class="sourceLineNo">024</span>import java.util.concurrent.ExecutionException;<a name="line.24"></a> -<span class="sourceLineNo">025</span>import java.util.concurrent.ExecutorService;<a name="line.25"></a> -<span class="sourceLineNo">026</span>import java.util.concurrent.Executors;<a name="line.26"></a> -<span class="sourceLineNo">027</span><a name="line.27"></a> -<span class="sourceLineNo">028</span>import org.apache.hadoop.fs.CommonConfigurationKeysPublic;<a name="line.28"></a> -<span class="sourceLineNo">029</span>import org.apache.hadoop.fs.FSDataOutputStream;<a name="line.29"></a> -<span class="sourceLineNo">030</span>import org.apache.hadoop.fs.FileSystem;<a name="line.30"></a> -<span class="sourceLineNo">031</span>import org.apache.hadoop.fs.Path;<a name="line.31"></a> -<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.io.ByteArrayOutputStream;<a name="line.32"></a> -<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.util.CancelableProgressable;<a name="line.33"></a> -<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.util.CommonFSUtils;<a name="line.34"></a> -<span class="sourceLineNo">035</span>import org.apache.hadoop.hdfs.DistributedFileSystem;<a name="line.35"></a> -<span class="sourceLineNo">036</span>import org.apache.hadoop.hdfs.protocol.DatanodeInfo;<a name="line.36"></a> -<span class="sourceLineNo">037</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.37"></a> +<span class="sourceLineNo">021</span><a name="line.21"></a> +<span class="sourceLineNo">022</span>import org.apache.hadoop.fs.CommonConfigurationKeysPublic;<a name="line.22"></a> +<span class="sourceLineNo">023</span>import org.apache.hadoop.fs.FSDataOutputStream;<a name="line.23"></a> +<span class="sourceLineNo">024</span>import org.apache.hadoop.fs.FileSystem;<a name="line.24"></a> +<span class="sourceLineNo">025</span>import org.apache.hadoop.fs.Path;<a name="line.25"></a> +<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.util.CommonFSUtils;<a name="line.26"></a> +<span class="sourceLineNo">027</span>import org.apache.hadoop.hdfs.DistributedFileSystem;<a name="line.27"></a> +<span class="sourceLineNo">028</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.28"></a> +<span class="sourceLineNo">029</span><a name="line.29"></a> +<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.shaded.io.netty.channel.Channel;<a name="line.30"></a> +<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.shaded.io.netty.channel.EventLoopGroup;<a name="line.31"></a> +<span class="sourceLineNo">032</span><a name="line.32"></a> +<span class="sourceLineNo">033</span>/**<a name="line.33"></a> +<span class="sourceLineNo">034</span> * Helper class for creating AsyncFSOutput.<a name="line.34"></a> +<span class="sourceLineNo">035</span> */<a name="line.35"></a> +<span class="sourceLineNo">036</span>@InterfaceAudience.Private<a name="line.36"></a> +<span class="sourceLineNo">037</span>public final class AsyncFSOutputHelper {<a name="line.37"></a> <span class="sourceLineNo">038</span><a name="line.38"></a> -<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.shaded.com.google.common.base.Throwables;<a name="line.39"></a> -<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.shaded.com.google.common.util.concurrent.ThreadFactoryBuilder;<a name="line.40"></a> -<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.shaded.io.netty.channel.Channel;<a name="line.41"></a> -<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.shaded.io.netty.channel.EventLoopGroup;<a name="line.42"></a> -<span class="sourceLineNo">043</span><a name="line.43"></a> -<span class="sourceLineNo">044</span>/**<a name="line.44"></a> -<span class="sourceLineNo">045</span> * Helper class for creating AsyncFSOutput.<a name="line.45"></a> -<span class="sourceLineNo">046</span> */<a name="line.46"></a> -<span class="sourceLineNo">047</span>@InterfaceAudience.Private<a name="line.47"></a> -<span class="sourceLineNo">048</span>public final class AsyncFSOutputHelper {<a name="line.48"></a> -<span class="sourceLineNo">049</span><a name="line.49"></a> -<span class="sourceLineNo">050</span> private AsyncFSOutputHelper() {<a name="line.50"></a> -<span class="sourceLineNo">051</span> }<a name="line.51"></a> -<span class="sourceLineNo">052</span><a name="line.52"></a> -<span class="sourceLineNo">053</span> /**<a name="line.53"></a> -<span class="sourceLineNo">054</span> * Create {@link FanOutOneBlockAsyncDFSOutput} for {@link DistributedFileSystem}, and a simple<a name="line.54"></a> -<span class="sourceLineNo">055</span> * implementation for other {@link FileSystem} which wraps around a {@link FSDataOutputStream}.<a name="line.55"></a> -<span class="sourceLineNo">056</span> */<a name="line.56"></a> -<span class="sourceLineNo">057</span> public static AsyncFSOutput createOutput(FileSystem fs, Path f, boolean overwrite,<a name="line.57"></a> -<span class="sourceLineNo">058</span> boolean createParent, short replication, long blockSize, EventLoopGroup eventLoopGroup,<a name="line.58"></a> -<span class="sourceLineNo">059</span> Class<? extends Channel> channelClass)<a name="line.59"></a> -<span class="sourceLineNo">060</span> throws IOException, CommonFSUtils.StreamLacksCapabilityException {<a name="line.60"></a> -<span class="sourceLineNo">061</span> if (fs instanceof DistributedFileSystem) {<a name="line.61"></a> -<span class="sourceLineNo">062</span> return FanOutOneBlockAsyncDFSOutputHelper.createOutput((DistributedFileSystem) fs, f,<a name="line.62"></a> -<span class="sourceLineNo">063</span> overwrite, createParent, replication, blockSize, eventLoopGroup, channelClass);<a name="line.63"></a> -<span class="sourceLineNo">064</span> }<a name="line.64"></a> -<span class="sourceLineNo">065</span> final FSDataOutputStream fsOut;<a name="line.65"></a> -<span class="sourceLineNo">066</span> int bufferSize = fs.getConf().getInt(CommonConfigurationKeysPublic.IO_FILE_BUFFER_SIZE_KEY,<a name="line.66"></a> -<span class="sourceLineNo">067</span> CommonConfigurationKeysPublic.IO_FILE_BUFFER_SIZE_DEFAULT);<a name="line.67"></a> -<span class="sourceLineNo">068</span> if (createParent) {<a name="line.68"></a> -<span class="sourceLineNo">069</span> fsOut = fs.create(f, overwrite, bufferSize, replication, blockSize, null);<a name="line.69"></a> -<span class="sourceLineNo">070</span> } else {<a name="line.70"></a> -<span class="sourceLineNo">071</span> fsOut = fs.createNonRecursive(f, overwrite, bufferSize, replication, blockSize, null);<a name="line.71"></a> -<span class="sourceLineNo">072</span> }<a 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+<span class="sourceLineNo">060</span> out = fs.createNonRecursive(f, overwrite, bufferSize, replication, blockSize, null);<a name="line.60"></a> +<span class="sourceLineNo">061</span> }<a name="line.61"></a> +<span class="sourceLineNo">062</span> // After we create the stream but before we attempt to use it at all<a name="line.62"></a> +<span class="sourceLineNo">063</span> // ensure that we can provide the level of data safety we're configured<a name="line.63"></a> +<span class="sourceLineNo">064</span> // to provide.<a name="line.64"></a> +<span class="sourceLineNo">065</span> if (fs.getConf().getBoolean(CommonFSUtils.UNSAFE_STREAM_CAPABILITY_ENFORCE, true) &&<a name="line.65"></a> +<span class="sourceLineNo">066</span> !(CommonFSUtils.hasCapability(out, "hflush") &&<a name="line.66"></a> +<span class="sourceLineNo">067</span> CommonFSUtils.hasCapability(out, "hsync"))) {<a name="line.67"></a> +<span class="sourceLineNo">068</span> out.close();<a name="line.68"></a> +<span class="sourceLineNo">069</span> throw new CommonFSUtils.StreamLacksCapabilityException("hflush and hsync");<a name="line.69"></a> +<span class="sourceLineNo">070</span> }<a name="line.70"></a> +<span class="sourceLineNo">071</span> return new WrapperAsyncFSOutput(f, out);<a name="line.71"></a> +<span class="sourceLineNo">072</span> }<a name="line.72"></a> +<span class="sourceLineNo">073</span>}<a name="line.73"></a> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/071f974b/devapidocs/src-html/org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.AckHandler.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.AckHandler.html b/devapidocs/src-html/org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.AckHandler.html index a9c1142..12ade22 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.AckHandler.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.AckHandler.html @@ -388,196 +388,200 @@ <span class="sourceLineNo">380</span><a name="line.380"></a> <span class="sourceLineNo">381</span> @Override<a name="line.381"></a> <span class="sourceLineNo">382</span> public DatanodeInfo[] getPipeline() {<a name="line.382"></a> -<span class="sourceLineNo">383</span> State state = this.state;<a name="line.383"></a> -<span class="sourceLineNo">384</span> return state == State.STREAMING || state == State.CLOSING ? locations : new DatanodeInfo[0];<a name="line.384"></a> -<span class="sourceLineNo">385</span> }<a name="line.385"></a> -<span class="sourceLineNo">386</span><a name="line.386"></a> -<span class="sourceLineNo">387</span> private void flushBuffer(CompletableFuture<Long> future, ByteBuf dataBuf,<a name="line.387"></a> -<span class="sourceLineNo">388</span> long nextPacketOffsetInBlock, boolean syncBlock) {<a name="line.388"></a> -<span class="sourceLineNo">389</span> int dataLen = dataBuf.readableBytes();<a name="line.389"></a> -<span class="sourceLineNo">390</span> int chunkLen = summer.getBytesPerChecksum();<a name="line.390"></a> -<span class="sourceLineNo">391</span> int trailingPartialChunkLen = dataLen % chunkLen;<a name="line.391"></a> -<span class="sourceLineNo">392</span> int numChecks = dataLen / chunkLen + (trailingPartialChunkLen != 0 ? 1 : 0);<a name="line.392"></a> -<span class="sourceLineNo">393</span> int checksumLen = numChecks * summer.getChecksumSize();<a name="line.393"></a> -<span class="sourceLineNo">394</span> ByteBuf checksumBuf = alloc.directBuffer(checksumLen);<a name="line.394"></a> -<span class="sourceLineNo">395</span> summer.calculateChunkedSums(dataBuf.nioBuffer(), checksumBuf.nioBuffer(0, checksumLen));<a name="line.395"></a> -<span class="sourceLineNo">396</span> checksumBuf.writerIndex(checksumLen);<a name="line.396"></a> -<span class="sourceLineNo">397</span> PacketHeader header = new PacketHeader(4 + checksumLen + dataLen, nextPacketOffsetInBlock,<a name="line.397"></a> -<span class="sourceLineNo">398</span> nextPacketSeqno, false, dataLen, syncBlock);<a name="line.398"></a> -<span class="sourceLineNo">399</span> int headerLen = header.getSerializedSize();<a name="line.399"></a> -<span class="sourceLineNo">400</span> ByteBuf headerBuf = alloc.buffer(headerLen);<a name="line.400"></a> -<span class="sourceLineNo">401</span> header.putInBuffer(headerBuf.nioBuffer(0, headerLen));<a name="line.401"></a> -<span class="sourceLineNo">402</span> headerBuf.writerIndex(headerLen);<a name="line.402"></a> -<span class="sourceLineNo">403</span> Callback c = new Callback(future, nextPacketOffsetInBlock + dataLen, datanodeList);<a name="line.403"></a> -<span class="sourceLineNo">404</span> waitingAckQueue.addLast(c);<a name="line.404"></a> -<span class="sourceLineNo">405</span> // recheck again after we pushed the callback to queue<a name="line.405"></a> -<span class="sourceLineNo">406</span> if (state != State.STREAMING && waitingAckQueue.peekFirst() == c) {<a name="line.406"></a> -<span class="sourceLineNo">407</span> future.completeExceptionally(new IOException("stream already broken"));<a name="line.407"></a> -<span class="sourceLineNo">408</span> // it's the one we have just pushed or just a no-op<a name="line.408"></a> -<span class="sourceLineNo">409</span> waitingAckQueue.removeFirst();<a name="line.409"></a> -<span class="sourceLineNo">410</span> return;<a name="line.410"></a> -<span class="sourceLineNo">411</span> }<a name="line.411"></a> -<span class="sourceLineNo">412</span> datanodeList.forEach(ch -> {<a name="line.412"></a> -<span class="sourceLineNo">413</span> ch.write(headerBuf.retainedDuplicate());<a name="line.413"></a> -<span class="sourceLineNo">414</span> ch.write(checksumBuf.retainedDuplicate());<a 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trailingPartialChunkLength;<a name="line.462"></a> -<span class="sourceLineNo">463</span> try {<a name="line.463"></a> -<span class="sourceLineNo">464</span> encryptor.encrypt(buf.nioBuffer(trailingPartialChunkLength, toEncryptLength),<a name="line.464"></a> -<span class="sourceLineNo">465</span> encryptBuf.nioBuffer(trailingPartialChunkLength, toEncryptLength));<a name="line.465"></a> -<span class="sourceLineNo">466</span> } catch (IOException e) {<a name="line.466"></a> -<span class="sourceLineNo">467</span> encryptBuf.release();<a name="line.467"></a> -<span class="sourceLineNo">468</span> future.completeExceptionally(e);<a name="line.468"></a> -<span class="sourceLineNo">469</span> return;<a name="line.469"></a> -<span class="sourceLineNo">470</span> }<a name="line.470"></a> -<span class="sourceLineNo">471</span> encryptBuf.writerIndex(dataLen);<a name="line.471"></a> -<span class="sourceLineNo">472</span> buf.release();<a name="line.472"></a> -<span class="sourceLineNo">473</span> buf = encryptBuf;<a name="line.473"></a> -<span class="sourceLineNo">474</span> }<a name="line.474"></a> -<span class="sourceLineNo">475</span><a name="line.475"></a> -<span class="sourceLineNo">476</span> if (dataLen > maxDataLen) {<a name="line.476"></a> -<span class="sourceLineNo">477</span> // We need to write out the data by multiple packets as the max packet allowed is 16M.<a name="line.477"></a> -<span class="sourceLineNo">478</span> long nextSubPacketOffsetInBlock = nextPacketOffsetInBlock;<a name="line.478"></a> -<span class="sourceLineNo">479</span> for (int remaining = dataLen;;) {<a name="line.479"></a> -<span class="sourceLineNo">480</span> if (remaining < maxDataLen) {<a name="line.480"></a> -<span class="sourceLineNo">481</span> flushBuffer(future, buf.readRetainedSlice(remaining), nextSubPacketOffsetInBlock,<a name="line.481"></a> -<span class="sourceLineNo">482</span> syncBlock);<a name="line.482"></a> -<span class="sourceLineNo">483</span> break;<a name="line.483"></a> -<span class="sourceLineNo">484</span> } else {<a name="line.484"></a> -<span class="sourceLineNo">485</span> flushBuffer(new CompletableFuture<>(), buf.readRetainedSlice(maxDataLen),<a name="line.485"></a> -<span class="sourceLineNo">486</span> nextSubPacketOffsetInBlock, syncBlock);<a name="line.486"></a> -<span class="sourceLineNo">487</span> remaining -= maxDataLen;<a name="line.487"></a> -<span class="sourceLineNo">488</span> nextSubPacketOffsetInBlock += maxDataLen;<a name="line.488"></a> -<span class="sourceLineNo">489</span> }<a name="line.489"></a> -<span class="sourceLineNo">490</span> }<a name="line.490"></a> -<span class="sourceLineNo">491</span> } else {<a name="line.491"></a> -<span class="sourceLineNo">492</span> flushBuffer(future, buf.retain(), nextPacketOffsetInBlock, syncBlock);<a name="line.492"></a> -<span class="sourceLineNo">493</span> }<a name="line.493"></a> -<span class="sourceLineNo">494</span> trailingPartialChunkLength = dataLen % summer.getBytesPerChecksum();<a name="line.494"></a> -<span class="sourceLineNo">495</span> ByteBuf newBuf = alloc.directBuffer(sendBufSizePRedictor.guess(dataLen))<a name="line.495"></a> -<span class="sourceLineNo">496</span> .ensureWritable(trailingPartialChunkLength);<a name="line.496"></a> -<span class="sourceLineNo">497</span> if (trailingPartialChunkLength != 0) {<a name="line.497"></a> -<span class="sourceLineNo">498</span> buf.readerIndex(dataLen - 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numChecks = dataLen / chunkLen + (trailingPartialChunkLen != 0 ? 1 : 0);<a name="line.391"></a> +<span class="sourceLineNo">392</span> int checksumLen = numChecks * summer.getChecksumSize();<a name="line.392"></a> +<span class="sourceLineNo">393</span> ByteBuf checksumBuf = alloc.directBuffer(checksumLen);<a name="line.393"></a> +<span class="sourceLineNo">394</span> summer.calculateChunkedSums(dataBuf.nioBuffer(), checksumBuf.nioBuffer(0, checksumLen));<a name="line.394"></a> +<span class="sourceLineNo">395</span> checksumBuf.writerIndex(checksumLen);<a name="line.395"></a> +<span class="sourceLineNo">396</span> PacketHeader header = new PacketHeader(4 + checksumLen + dataLen, nextPacketOffsetInBlock,<a name="line.396"></a> +<span class="sourceLineNo">397</span> nextPacketSeqno, false, dataLen, syncBlock);<a name="line.397"></a> +<span class="sourceLineNo">398</span> int headerLen = header.getSerializedSize();<a name="line.398"></a> +<span class="sourceLineNo">399</span> ByteBuf headerBuf = alloc.buffer(headerLen);<a name="line.399"></a> +<span class="sourceLineNo">400</span> header.putInBuffer(headerBuf.nioBuffer(0, headerLen));<a name="line.400"></a> +<span class="sourceLineNo">401</span> headerBuf.writerIndex(headerLen);<a name="line.401"></a> +<span class="sourceLineNo">402</span> Callback c = new Callback(future, nextPacketOffsetInBlock + dataLen, datanodeList);<a name="line.402"></a> +<span class="sourceLineNo">403</span> waitingAckQueue.addLast(c);<a name="line.403"></a> +<span class="sourceLineNo">404</span> // recheck again after we pushed the callback to queue<a name="line.404"></a> +<span class="sourceLineNo">405</span> if (state != State.STREAMING && waitingAckQueue.peekFirst() == c) {<a name="line.405"></a> +<span class="sourceLineNo">406</span> future.completeExceptionally(new IOException("stream already broken"));<a name="line.406"></a> +<span class="sourceLineNo">407</span> // it's the one we have just pushed or just a no-op<a name="line.407"></a> +<span class="sourceLineNo">408</span> waitingAckQueue.removeFirst();<a name="line.408"></a> +<span class="sourceLineNo">409</span> return;<a name="line.409"></a> +<span class="sourceLineNo">410</span> }<a name="line.410"></a> +<span class="sourceLineNo">411</span> datanodeList.forEach(ch -> {<a name="line.411"></a> +<span class="sourceLineNo">412</span> ch.write(headerBuf.retainedDuplicate());<a name="line.412"></a> +<span class="sourceLineNo">413</span> ch.write(checksumBuf.retainedDuplicate());<a name="line.413"></a> +<span class="sourceLineNo">414</span> ch.writeAndFlush(dataBuf.retainedDuplicate());<a name="line.414"></a> +<span class="sourceLineNo">415</span> });<a name="line.415"></a> +<span class="sourceLineNo">416</span> checksumBuf.release();<a name="line.416"></a> +<span class="sourceLineNo">417</span> headerBuf.release();<a name="line.417"></a> +<span class="sourceLineNo">418</span> dataBuf.release();<a name="line.418"></a> +<span class="sourceLineNo">419</span> nextPacketSeqno++;<a name="line.419"></a> +<span class="sourceLineNo">420</span> }<a name="line.420"></a> +<span class="sourceLineNo">421</span><a name="line.421"></a> +<span class="sourceLineNo">422</span> private void flush0(CompletableFuture<Long> future, boolean syncBlock) {<a name="line.422"></a> +<span class="sourceLineNo">423</span> if (state != State.STREAMING) {<a name="line.423"></a> +<span class="sourceLineNo">424</span> future.completeExceptionally(new IOException("stream already broken"));<a name="line.424"></a> +<span class="sourceLineNo">425</span> return;<a name="line.425"></a> +<span class="sourceLineNo">426</span> }<a name="line.426"></a> +<span class="sourceLineNo">427</span> int dataLen = buf.readableBytes();<a name="line.427"></a> +<span class="sourceLineNo">428</span> if (dataLen == trailingPartialChunkLength) {<a name="line.428"></a> +<span class="sourceLineNo">429</span> // no new data<a name="line.429"></a> +<span class="sourceLineNo">430</span> long lengthAfterFlush = nextPacketOffsetInBlock + dataLen;<a name="line.430"></a> +<span class="sourceLineNo">431</span> Callback lastFlush = waitingAckQueue.peekLast();<a name="line.431"></a> +<span class="sourceLineNo">432</span> if (lastFlush != null) {<a name="line.432"></a> +<span class="sourceLineNo">433</span> Callback c = new Callback(future, lengthAfterFlush, Collections.emptyList());<a name="line.433"></a> +<span class="sourceLineNo">434</span> waitingAckQueue.addLast(c);<a name="line.434"></a> +<span class="sourceLineNo">435</span> // recheck here if we have already removed the previous callback from the queue<a name="line.435"></a> +<span class="sourceLineNo">436</span> if (waitingAckQueue.peekFirst() == c) {<a name="line.436"></a> +<span class="sourceLineNo">437</span> // all previous callbacks have been removed<a name="line.437"></a> +<span class="sourceLineNo">438</span> // notice that this does mean we will always win here because the 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trailingPartialChunkLength;<a name="line.461"></a> +<span class="sourceLineNo">462</span> try {<a name="line.462"></a> +<span class="sourceLineNo">463</span> encryptor.encrypt(buf.nioBuffer(trailingPartialChunkLength, toEncryptLength),<a name="line.463"></a> +<span class="sourceLineNo">464</span> encryptBuf.nioBuffer(trailingPartialChunkLength, toEncryptLength));<a name="line.464"></a> +<span class="sourceLineNo">465</span> } catch (IOException e) {<a name="line.465"></a> +<span class="sourceLineNo">466</span> encryptBuf.release();<a name="line.466"></a> +<span class="sourceLineNo">467</span> future.completeExceptionally(e);<a name="line.467"></a> +<span class="sourceLineNo">468</span> return;<a name="line.468"></a> +<span class="sourceLineNo">469</span> }<a name="line.469"></a> +<span class="sourceLineNo">470</span> encryptBuf.writerIndex(dataLen);<a name="line.470"></a> +<span class="sourceLineNo">471</span> buf.release();<a name="line.471"></a> +<span class="sourceLineNo">472</span> buf = encryptBuf;<a name="line.472"></a> +<span class="sourceLineNo">473</span> }<a name="line.473"></a> +<span class="sourceLineNo">474</span><a name="line.474"></a> +<span class="sourceLineNo">475</span> if (dataLen > maxDataLen) {<a name="line.475"></a> +<span class="sourceLineNo">476</span> // We need to write out the data by multiple packets as the max packet allowed is 16M.<a name="line.476"></a> +<span class="sourceLineNo">477</span> long nextSubPacketOffsetInBlock = nextPacketOffsetInBlock;<a name="line.477"></a> +<span class="sourceLineNo">478</span> for (int remaining = dataLen;;) {<a name="line.478"></a> +<span class="sourceLineNo">479</span> if (remaining < maxDataLen) {<a name="line.479"></a> +<span class="sourceLineNo">480</span> flushBuffer(future, buf.readRetainedSlice(remaining), nextSubPacketOffsetInBlock,<a name="line.480"></a> +<span class="sourceLineNo">481</span> syncBlock);<a name="line.481"></a> +<span class="sourceLineNo">482</span> break;<a name="line.482"></a> +<span class="sourceLineNo">483</span> } else {<a name="line.483"></a> +<span class="sourceLineNo">484</span> flushBuffer(new CompletableFuture<>(), buf.readRetainedSlice(maxDataLen),<a name="line.484"></a> +<span class="sourceLineNo">485</span> nextSubPacketOffsetInBlock, syncBlock);<a name="line.485"></a> +<span class="sourceLineNo">486</span> remaining -= maxDataLen;<a name="line.486"></a> +<span class="sourceLineNo">487</span> nextSubPacketOffsetInBlock += maxDataLen;<a name="line.487"></a> +<span class="sourceLineNo">488</span> }<a name="line.488"></a> +<span class="sourceLineNo">489</span> }<a name="line.489"></a> +<span class="sourceLineNo">490</span> } else {<a name="line.490"></a> +<span class="sourceLineNo">491</span> flushBuffer(future, buf.retain(), nextPacketOffsetInBlock, syncBlock);<a name="line.491"></a> +<span class="sourceLineNo">492</span> }<a name="line.492"></a> +<span class="sourceLineNo">493</span> trailingPartialChunkLength = dataLen % summer.getBytesPerChecksum();<a name="line.493"></a> +<span class="sourceLineNo">494</span> ByteBuf newBuf = alloc.directBuffer(sendBufSizePRedictor.guess(dataLen))<a name="line.494"></a> +<span class="sourceLineNo">495</span> .ensureWritable(trailingPartialChunkLength);<a name="line.495"></a> +<span class="sourceLineNo">496</span> if (trailingPartialChunkLength != 0) {<a name="line.496"></a> +<span class="sourceLineNo">497</span> buf.readerIndex(dataLen - trailingPartialChunkLength).readBytes(newBuf,<a name="line.497"></a> +<span class="sourceLineNo">498</span> trailingPartialChunkLength);<a name="line.498"></a> +<span class="sourceLineNo">499</span> }<a name="line.499"></a> +<span class="sourceLineNo">500</span> buf.release();<a name="line.500"></a> +<span class="sourceLineNo">501</span> this.buf = newBuf;<a name="line.501"></a> +<span class="sourceLineNo">502</span> nextPacketOffsetInBlock += dataLen - trailingPartialChunkLength;<a name="line.502"></a> +<span class="sourceLineNo">503</span> }<a name="line.503"></a> +<span class="sourceLineNo">504</span><a name="line.504"></a> +<span class="sourceLineNo">505</span> /**<a name="line.505"></a> +<span class="sourceLineNo">506</span> * Flush the buffer out to datanodes.<a name="line.506"></a> +<span class="sourceLineNo">507</span> * @param syncBlock will call hsync if true, otherwise hflush.<a name="line.507"></a> +<span class="sourceLineNo">508</span> * @return A CompletableFuture that hold the acked length after flushing.<a name="line.508"></a> +<span class="sourceLineNo">509</span> */<a name="line.509"></a> +<span class="sourceLineNo">510</span> public CompletableFuture<Long> flush(boolean syncBlock) {<a name="line.510"></a> +<span class="sourceLineNo">511</span> CompletableFuture<Long> future = new CompletableFuture<>();<a name="line.511"></a> +<span class="sourceLineNo">512</span> flush0(future, syncBlock);<a name="line.512"></a> +<span class="sourceLineNo">513</span> return future;<a name="line.513"></a> +<span class="sourceLineNo">514</span> }<a name="line.514"></a> +<span class="sourceLineNo">515</span><a name="line.515"></a> +<span class="sourceLineNo">516</span> private void endBlock() throws IOException {<a name="line.516"></a> +<span class="sourceLineNo">517</span> Preconditions.checkState(waitingAckQueue.isEmpty(),<a name="line.517"></a> +<span class="sourceLineNo">518</span> "should call flush first before calling close");<a name="line.518"></a> +<span class="sourceLineNo">519</span> if (state != State.STREAMING) {<a name="line.519"></a> +<span class="sourceLineNo">520</span> throw new IOException("stream already broken");<a name="line.520"></a> +<span class="sourceLineNo">521</span> }<a name="line.521"></a> +<span class="sourceLineNo">522</span> state = State.CLOSING;<a name="line.522"></a> +<span class="sourceLineNo">523</span> long finalizedLength = ackedBlockLength;<a name="line.523"></a> +<span class="sourceLineNo">524</span> PacketHeader header = new PacketHeader(4, finalizedLength, nextPacketSeqno, true, 0, false);<a name="line.524"></a> +<span class="sourceLineNo">525</span> buf.release();<a name="line.525"></a> +<span class="sourceLineNo">526</span> buf = null;<a name="line.526"></a> +<span class="sourceLineNo">527</span> int headerLen = header.getSerializedSize();<a name="line.527"></a> +<span class="sourceLineNo">528</span> ByteBuf headerBuf = alloc.directBuffer(headerLen);<a name="line.528"></a> +<span class="sourceLineNo">529</span> header.putInBuffer(headerBuf.nioBuffer(0, headerLen));<a name="line.529"></a> +<span class="sourceLineNo">530</span> headerBuf.writerIndex(headerLen);<a name="line.530"></a> +<span class="sourceLineNo">531</span> CompletableFuture<Long> future = new CompletableFuture<>();<a name="line.531"></a> +<span class="sourceLineNo">532</span> waitingAckQueue.add(new Callback(future, finalizedLength, datanodeList));<a name="line.532"></a> +<span class="sourceLineNo">533</span> datanodeList.forEach(ch -> ch.writeAndFlush(headerBuf.retainedDuplicate()));<a name="line.533"></a> +<span class="sourceLineNo">534</span> headerBuf.release();<a name="line.534"></a> +<span class="sourceLineNo">535</span> try {<a name="line.535"></a> +<span class="sourceLineNo">536</span> future.get();<a name="line.536"></a> +<span class="sourceLineNo">537</span> } catch (InterruptedException e) {<a name="line.537"></a> +<span class="sourceLineNo">538</span> throw (IOException) new InterruptedIOException().initCause(e);<a name="line.538"></a> +<span class="sourceLineNo">539</span> } catch (ExecutionException e) {<a name="line.539"></a> +<span class="sourceLineNo">540</span> Throwable cause = e.getCause();<a name="line.540"></a> +<span class="sourceLineNo">541</span> Throwables.propagateIfPossible(cause, IOException.class);<a name="line.541"></a> +<span class="sourceLineNo">542</span> throw new IOException(cause);<a name="line.542"></a> +<span class="sourceLineNo">543</span> }<a name="line.543"></a> +<span class="sourceLineNo">544</span> }<a name="line.544"></a> +<span class="sourceLineNo">545</span><a name="line.545"></a> +<span class="sourceLineNo">546</span> /**<a name="line.546"></a> +<span class="sourceLineNo">547</span> * The close method when error occurred. Now we just call recoverFileLease.<a name="line.547"></a> +<span class="sourceLineNo">548</span> */<a name="line.548"></a> +<span class="sourceLineNo">549</span> @Override<a name="line.549"></a> +<span class="sourceLineNo">550</span> public void recoverAndClose(CancelableProgressable reporter) throws IOException {<a name="line.550"></a> +<span class="sourceLineNo">551</span> datanodeList.forEach(ch -> ch.close());<a name="line.551"></a> +<span class="sourceLineNo">552</span> datanodeList.forEach(ch -> ch.closeFuture().awaitUninterruptibly());<a name="line.552"></a> +<span class="sourceLineNo">553</span> endFileLease(client, fileId);<a name="line.553"></a> +<span class="sourceLineNo">554</span> fsUtils.recoverFileLease(dfs, new Path(src), conf,<a name="line.554"></a> +<span class="sourceLineNo">555</span> reporter == null ? new CancelOnClose(client) : reporter);<a name="line.555"></a> +<span class="sourceLineNo">556</span> }<a name="line.556"></a> +<span class="sourceLineNo">557</span><a name="line.557"></a> +<span class="sourceLineNo">558</span> /**<a name="line.558"></a> +<span class="sourceLineNo">559</span> * End the current block and complete file at namenode. 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