http://git-wip-us.apache.org/repos/asf/hbase-site/blob/713d773f/devapidocs/src-html/org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.Callback.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.Callback.html b/devapidocs/src-html/org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.Callback.html index de6cb11..dd54dd2 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.Callback.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutput.Callback.html @@ -25,563 +25,558 @@ <span class="sourceLineNo">017</span> */<a name="line.17"></a> <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 static org.apache.hadoop.hbase.shaded.io.netty.handler.timeout.IdleState.READER_IDLE;<a name="line.20"></a> -<span class="sourceLineNo">021</span>import static org.apache.hadoop.hbase.shaded.io.netty.handler.timeout.IdleState.WRITER_IDLE;<a name="line.21"></a> -<span class="sourceLineNo">022</span>import static org.apache.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutputHelper.HEART_BEAT_SEQNO;<a name="line.22"></a> -<span class="sourceLineNo">023</span>import static org.apache.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutputHelper.READ_TIMEOUT;<a name="line.23"></a> -<span class="sourceLineNo">024</span>import static org.apache.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutputHelper.completeFile;<a name="line.24"></a> -<span class="sourceLineNo">025</span>import static org.apache.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutputHelper.endFileLease;<a name="line.25"></a> -<span class="sourceLineNo">026</span>import static org.apache.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutputHelper.getStatus;<a name="line.26"></a> +<span class="sourceLineNo">020</span>import static org.apache.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutputHelper.HEART_BEAT_SEQNO;<a name="line.20"></a> +<span class="sourceLineNo">021</span>import static org.apache.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutputHelper.READ_TIMEOUT;<a name="line.21"></a> +<span class="sourceLineNo">022</span>import static org.apache.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutputHelper.completeFile;<a name="line.22"></a> +<span class="sourceLineNo">023</span>import static org.apache.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutputHelper.endFileLease;<a name="line.23"></a> +<span class="sourceLineNo">024</span>import static org.apache.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutputHelper.getStatus;<a name="line.24"></a> +<span class="sourceLineNo">025</span>import static org.apache.hadoop.hbase.shaded.io.netty.handler.timeout.IdleState.READER_IDLE;<a name="line.25"></a> +<span class="sourceLineNo">026</span>import static org.apache.hadoop.hbase.shaded.io.netty.handler.timeout.IdleState.WRITER_IDLE;<a name="line.26"></a> <span class="sourceLineNo">027</span>import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_CLIENT_SOCKET_TIMEOUT_KEY;<a name="line.27"></a> <span class="sourceLineNo">028</span><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.buffer.ByteBuf;<a name="line.30"></a> -<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.shaded.io.netty.buffer.ByteBufAllocator;<a name="line.31"></a> -<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.shaded.io.netty.channel.Channel;<a name="line.32"></a> -<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.shaded.io.netty.channel.ChannelHandler.Sharable;<a name="line.33"></a> -<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.shaded.io.netty.channel.ChannelHandlerContext;<a name="line.34"></a> -<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.shaded.io.netty.channel.EventLoop;<a name="line.35"></a> -<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.shaded.io.netty.channel.SimpleChannelInboundHandler;<a name="line.36"></a> -<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.shaded.io.netty.handler.codec.protobuf.ProtobufDecoder;<a name="line.37"></a> -<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.shaded.io.netty.handler.codec.protobuf.ProtobufVarint32FrameDecoder;<a name="line.38"></a> -<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.shaded.io.netty.handler.timeout.IdleStateEvent;<a name="line.39"></a> -<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.shaded.io.netty.handler.timeout.IdleStateHandler;<a name="line.40"></a> -<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.shaded.io.netty.util.concurrent.Future;<a name="line.41"></a> -<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.shaded.io.netty.util.concurrent.Promise;<a name="line.42"></a> -<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.shaded.io.netty.util.concurrent.PromiseCombiner;<a name="line.43"></a> -<span class="sourceLineNo">044</span><a name="line.44"></a> -<span class="sourceLineNo">045</span>import java.io.IOException;<a name="line.45"></a> -<span class="sourceLineNo">046</span>import java.nio.ByteBuffer;<a name="line.46"></a> -<span class="sourceLineNo">047</span>import java.util.ArrayDeque;<a name="line.47"></a> -<span class="sourceLineNo">048</span>import java.util.Collection;<a name="line.48"></a> -<span class="sourceLineNo">049</span>import java.util.Collections;<a name="line.49"></a> -<span class="sourceLineNo">050</span>import java.util.Deque;<a name="line.50"></a> -<span class="sourceLineNo">051</span>import java.util.IdentityHashMap;<a name="line.51"></a> -<span class="sourceLineNo">052</span>import java.util.List;<a name="line.52"></a> -<span class="sourceLineNo">053</span>import java.util.Set;<a name="line.53"></a> -<span class="sourceLineNo">054</span>import java.util.concurrent.CompletableFuture;<a name="line.54"></a> -<span class="sourceLineNo">055</span>import java.util.concurrent.TimeUnit;<a name="line.55"></a> -<span class="sourceLineNo">056</span>import java.util.function.Supplier;<a name="line.56"></a> -<span class="sourceLineNo">057</span><a name="line.57"></a> -<span class="sourceLineNo">058</span>import org.apache.hadoop.conf.Configuration;<a name="line.58"></a> -<span class="sourceLineNo">059</span>import org.apache.hadoop.crypto.Encryptor;<a name="line.59"></a> -<span class="sourceLineNo">060</span>import org.apache.hadoop.fs.Path;<a name="line.60"></a> +<span class="sourceLineNo">029</span>import java.io.IOException;<a name="line.29"></a> +<span class="sourceLineNo">030</span>import java.io.InterruptedIOException;<a name="line.30"></a> +<span class="sourceLineNo">031</span>import java.nio.ByteBuffer;<a name="line.31"></a> +<span class="sourceLineNo">032</span>import java.util.Collection;<a name="line.32"></a> +<span class="sourceLineNo">033</span>import java.util.Collections;<a name="line.33"></a> +<span class="sourceLineNo">034</span>import java.util.Iterator;<a name="line.34"></a> +<span class="sourceLineNo">035</span>import java.util.List;<a name="line.35"></a> +<span class="sourceLineNo">036</span>import java.util.Set;<a name="line.36"></a> +<span class="sourceLineNo">037</span>import java.util.concurrent.CompletableFuture;<a name="line.37"></a> +<span class="sourceLineNo">038</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.38"></a> +<span class="sourceLineNo">039</span>import java.util.concurrent.ConcurrentLinkedDeque;<a name="line.39"></a> +<span class="sourceLineNo">040</span>import java.util.concurrent.ExecutionException;<a name="line.40"></a> +<span class="sourceLineNo">041</span>import java.util.concurrent.TimeUnit;<a name="line.41"></a> +<span class="sourceLineNo">042</span>import java.util.function.Supplier;<a name="line.42"></a> +<span class="sourceLineNo">043</span><a name="line.43"></a> +<span class="sourceLineNo">044</span>import org.apache.hadoop.conf.Configuration;<a name="line.44"></a> +<span class="sourceLineNo">045</span>import org.apache.hadoop.crypto.Encryptor;<a name="line.45"></a> +<span class="sourceLineNo">046</span>import org.apache.hadoop.fs.Path;<a name="line.46"></a> +<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutputHelper.CancelOnClose;<a name="line.47"></a> +<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.util.CancelableProgressable;<a name="line.48"></a> +<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.FSUtils;<a name="line.49"></a> +<span class="sourceLineNo">050</span>import org.apache.hadoop.hdfs.DFSClient;<a name="line.50"></a> +<span class="sourceLineNo">051</span>import org.apache.hadoop.hdfs.DistributedFileSystem;<a name="line.51"></a> +<span class="sourceLineNo">052</span>import org.apache.hadoop.hdfs.protocol.ClientProtocol;<a name="line.52"></a> +<span class="sourceLineNo">053</span>import org.apache.hadoop.hdfs.protocol.DatanodeInfo;<a name="line.53"></a> +<span class="sourceLineNo">054</span>import org.apache.hadoop.hdfs.protocol.ExtendedBlock;<a name="line.54"></a> +<span class="sourceLineNo">055</span>import org.apache.hadoop.hdfs.protocol.LocatedBlock;<a name="line.55"></a> +<span class="sourceLineNo">056</span>import org.apache.hadoop.hdfs.protocol.datatransfer.PacketHeader;<a name="line.56"></a> +<span class="sourceLineNo">057</span>import org.apache.hadoop.hdfs.protocol.datatransfer.PipelineAck;<a name="line.57"></a> +<span class="sourceLineNo">058</span>import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PipelineAckProto;<a name="line.58"></a> +<span class="sourceLineNo">059</span>import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.Status;<a name="line.59"></a> +<span class="sourceLineNo">060</span>import org.apache.hadoop.util.DataChecksum;<a name="line.60"></a> <span class="sourceLineNo">061</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.61"></a> -<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.io.asyncfs.FanOutOneBlockAsyncDFSOutputHelper.CancelOnClose;<a name="line.62"></a> -<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.util.CancelableProgressable;<a name="line.63"></a> -<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.util.FSUtils;<a name="line.64"></a> -<span class="sourceLineNo">065</span>import org.apache.hadoop.hdfs.DFSClient;<a name="line.65"></a> -<span class="sourceLineNo">066</span>import org.apache.hadoop.hdfs.DistributedFileSystem;<a name="line.66"></a> -<span class="sourceLineNo">067</span>import org.apache.hadoop.hdfs.protocol.ClientProtocol;<a name="line.67"></a> -<span class="sourceLineNo">068</span>import org.apache.hadoop.hdfs.protocol.DatanodeInfo;<a name="line.68"></a> -<span class="sourceLineNo">069</span>import org.apache.hadoop.hdfs.protocol.LocatedBlock;<a name="line.69"></a> -<span class="sourceLineNo">070</span>import org.apache.hadoop.hdfs.protocol.datatransfer.PacketHeader;<a name="line.70"></a> -<span class="sourceLineNo">071</span>import org.apache.hadoop.hdfs.protocol.datatransfer.PipelineAck;<a name="line.71"></a> -<span class="sourceLineNo">072</span>import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.PipelineAckProto;<a name="line.72"></a> -<span class="sourceLineNo">073</span>import org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.Status;<a name="line.73"></a> -<span class="sourceLineNo">074</span>import org.apache.hadoop.util.DataChecksum;<a name="line.74"></a> -<span class="sourceLineNo">075</span><a name="line.75"></a> -<span class="sourceLineNo">076</span>import org.apache.hadoop.hbase.shaded.com.google.common.annotations.VisibleForTesting;<a name="line.76"></a> -<span class="sourceLineNo">077</span><a name="line.77"></a> -<span class="sourceLineNo">078</span>/**<a name="line.78"></a> -<span class="sourceLineNo">079</span> * An asynchronous HDFS output stream implementation which fans out data to datanode and only<a name="line.79"></a> -<span class="sourceLineNo">080</span> * supports writing file with only one block.<a name="line.80"></a> -<span class="sourceLineNo">081</span> * <p><a name="line.81"></a> -<span class="sourceLineNo">082</span> * Use the createOutput method in {@link FanOutOneBlockAsyncDFSOutputHelper} to create. The mainly<a name="line.82"></a> -<span class="sourceLineNo">083</span> * usage of this class is implementing WAL, so we only expose a little HDFS configurations in the<a name="line.83"></a> -<span class="sourceLineNo">084</span> * method. And we place it here under util package because we want to make it independent of WAL<a name="line.84"></a> -<span class="sourceLineNo">085</span> * implementation thus easier to move it to HDFS project finally.<a name="line.85"></a> -<span class="sourceLineNo">086</span> * <p><a name="line.86"></a> -<span class="sourceLineNo">087</span> * Note that, all connections to datanode will run in the same {@link EventLoop} which means we only<a name="line.87"></a> -<span class="sourceLineNo">088</span> * need one thread here. But be careful, we do some blocking operations in {@link #close()} and<a name="line.88"></a> -<span class="sourceLineNo">089</span> * {@link #recoverAndClose(CancelableProgressable)} methods, so do not call them inside<a name="line.89"></a> -<span class="sourceLineNo">090</span> * {@link EventLoop}. And for {@link #write(byte[])} {@link #write(byte[], int, int)},<a name="line.90"></a> -<span class="sourceLineNo">091</span> * {@link #buffered()} and {@link #flush(boolean)}, if you call them outside {@link EventLoop},<a name="line.91"></a> -<span class="sourceLineNo">092</span> * there will be an extra context-switch.<a name="line.92"></a> -<span class="sourceLineNo">093</span> * <p><a name="line.93"></a> -<span class="sourceLineNo">094</span> * Advantages compare to DFSOutputStream:<a name="line.94"></a> -<span class="sourceLineNo">095</span> * <ol><a name="line.95"></a> -<span class="sourceLineNo">096</span> * <li>The fan out mechanism. This will reduce the latency.</li><a name="line.96"></a> -<span class="sourceLineNo">097</span> * <li>The asynchronous WAL could also run in the same EventLoop, we could just call write and flush<a name="line.97"></a> -<span class="sourceLineNo">098</span> * inside the EventLoop thread, so generally we only have one thread to do all the things.</li><a name="line.98"></a> -<span class="sourceLineNo">099</span> * <li>Fail-fast when connection to datanode error. The WAL implementation could open new writer<a name="line.99"></a> -<span class="sourceLineNo">100</span> * ASAP.</li><a name="line.100"></a> -<span class="sourceLineNo">101</span> * <li>We could benefit from netty's ByteBuf management mechanism.</li><a name="line.101"></a> -<span class="sourceLineNo">102</span> * </ol><a name="line.102"></a> -<span class="sourceLineNo">103</span> */<a name="line.103"></a> -<span class="sourceLineNo">104</span>@InterfaceAudience.Private<a name="line.104"></a> -<span class="sourceLineNo">105</span>public class FanOutOneBlockAsyncDFSOutput implements AsyncFSOutput {<a name="line.105"></a> +<span class="sourceLineNo">062</span><a name="line.62"></a> +<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.shaded.com.google.common.base.Preconditions;<a name="line.63"></a> +<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.shaded.com.google.common.base.Throwables;<a name="line.64"></a> +<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.shaded.io.netty.buffer.ByteBuf;<a name="line.65"></a> +<span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.shaded.io.netty.buffer.ByteBufAllocator;<a name="line.66"></a> +<span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.shaded.io.netty.channel.Channel;<a name="line.67"></a> +<span class="sourceLineNo">068</span>import org.apache.hadoop.hbase.shaded.io.netty.channel.ChannelHandler.Sharable;<a name="line.68"></a> +<span class="sourceLineNo">069</span>import org.apache.hadoop.hbase.shaded.io.netty.channel.ChannelHandlerContext;<a name="line.69"></a> +<span class="sourceLineNo">070</span>import org.apache.hadoop.hbase.shaded.io.netty.channel.ChannelId;<a name="line.70"></a> +<span class="sourceLineNo">071</span>import org.apache.hadoop.hbase.shaded.io.netty.channel.SimpleChannelInboundHandler;<a name="line.71"></a> +<span class="sourceLineNo">072</span>import org.apache.hadoop.hbase.shaded.io.netty.handler.codec.protobuf.ProtobufDecoder;<a name="line.72"></a> +<span class="sourceLineNo">073</span>import org.apache.hadoop.hbase.shaded.io.netty.handler.codec.protobuf.ProtobufVarint32FrameDecoder;<a name="line.73"></a> +<span class="sourceLineNo">074</span>import org.apache.hadoop.hbase.shaded.io.netty.handler.timeout.IdleStateEvent;<a name="line.74"></a> +<span class="sourceLineNo">075</span>import org.apache.hadoop.hbase.shaded.io.netty.handler.timeout.IdleStateHandler;<a name="line.75"></a> +<span class="sourceLineNo">076</span><a name="line.76"></a> +<span class="sourceLineNo">077</span>/**<a name="line.77"></a> +<span class="sourceLineNo">078</span> * An asynchronous HDFS output stream implementation which fans out data to datanode and only<a name="line.78"></a> +<span class="sourceLineNo">079</span> * supports writing file with only one block.<a name="line.79"></a> +<span class="sourceLineNo">080</span> * <p><a name="line.80"></a> +<span class="sourceLineNo">081</span> * Use the createOutput method in {@link FanOutOneBlockAsyncDFSOutputHelper} to create. The mainly<a name="line.81"></a> +<span class="sourceLineNo">082</span> * usage of this class is implementing WAL, so we only expose a little HDFS configurations in the<a name="line.82"></a> +<span class="sourceLineNo">083</span> * method. And we place it here under io package because we want to make it independent of WAL<a name="line.83"></a> +<span class="sourceLineNo">084</span> * implementation thus easier to move it to HDFS project finally.<a name="line.84"></a> +<span class="sourceLineNo">085</span> * <p><a name="line.85"></a> +<span class="sourceLineNo">086</span> * Note that, although we support pipelined flush, i.e, write new data and then flush before the<a name="line.86"></a> +<span class="sourceLineNo">087</span> * previous flush succeeds, the implementation is not thread safe, so you should not call its<a name="line.87"></a> +<span class="sourceLineNo">088</span> * methods concurrently.<a name="line.88"></a> +<span class="sourceLineNo">089</span> * <p><a name="line.89"></a> +<span class="sourceLineNo">090</span> * Advantages compare to DFSOutputStream:<a name="line.90"></a> +<span class="sourceLineNo">091</span> * <ol><a name="line.91"></a> +<span class="sourceLineNo">092</span> * <li>The fan out mechanism. This will reduce the latency.</li><a name="line.92"></a> +<span class="sourceLineNo">093</span> * <li>Fail-fast when connection to datanode error. The WAL implementation could open new writer<a name="line.93"></a> +<span class="sourceLineNo">094</span> * ASAP.</li><a name="line.94"></a> +<span class="sourceLineNo">095</span> * <li>We could benefit from netty's ByteBuf management mechanism.</li><a name="line.95"></a> +<span class="sourceLineNo">096</span> * </ol><a name="line.96"></a> +<span class="sourceLineNo">097</span> */<a name="line.97"></a> +<span class="sourceLineNo">098</span>@InterfaceAudience.Private<a name="line.98"></a> +<span class="sourceLineNo">099</span>public class FanOutOneBlockAsyncDFSOutput implements AsyncFSOutput {<a name="line.99"></a> +<span class="sourceLineNo">100</span><a name="line.100"></a> +<span class="sourceLineNo">101</span> // The MAX_PACKET_SIZE is 16MB but it include the header size and checksum size. So here we set a<a name="line.101"></a> +<span class="sourceLineNo">102</span> // smaller limit for data size.<a name="line.102"></a> +<span class="sourceLineNo">103</span> private static final int MAX_DATA_LEN = 12 * 1024 * 1024;<a name="line.103"></a> +<span class="sourceLineNo">104</span><a name="line.104"></a> +<span class="sourceLineNo">105</span> private final Configuration conf;<a name="line.105"></a> <span class="sourceLineNo">106</span><a name="line.106"></a> -<span class="sourceLineNo">107</span> // The MAX_PACKET_SIZE is 16MB but it include the header size and checksum size. So here we set a<a name="line.107"></a> -<span class="sourceLineNo">108</span> // smaller limit for data size.<a name="line.108"></a> -<span class="sourceLineNo">109</span> private static final int MAX_DATA_LEN = 12 * 1024 * 1024;<a name="line.109"></a> +<span class="sourceLineNo">107</span> private final FSUtils fsUtils;<a name="line.107"></a> +<span class="sourceLineNo">108</span><a name="line.108"></a> +<span class="sourceLineNo">109</span> private final DistributedFileSystem dfs;<a name="line.109"></a> <span class="sourceLineNo">110</span><a name="line.110"></a> -<span class="sourceLineNo">111</span> private final Configuration conf;<a name="line.111"></a> +<span class="sourceLineNo">111</span> private final DFSClient client;<a name="line.111"></a> <span class="sourceLineNo">112</span><a name="line.112"></a> -<span class="sourceLineNo">113</span> private final FSUtils fsUtils;<a name="line.113"></a> +<span class="sourceLineNo">113</span> private final ClientProtocol namenode;<a name="line.113"></a> <span class="sourceLineNo">114</span><a name="line.114"></a> -<span class="sourceLineNo">115</span> private final DistributedFileSystem dfs;<a name="line.115"></a> +<span class="sourceLineNo">115</span> private final String clientName;<a name="line.115"></a> <span class="sourceLineNo">116</span><a name="line.116"></a> -<span class="sourceLineNo">117</span> private final DFSClient client;<a name="line.117"></a> +<span class="sourceLineNo">117</span> private final String src;<a name="line.117"></a> <span class="sourceLineNo">118</span><a name="line.118"></a> -<span class="sourceLineNo">119</span> private final ClientProtocol namenode;<a name="line.119"></a> +<span class="sourceLineNo">119</span> private final long fileId;<a name="line.119"></a> <span class="sourceLineNo">120</span><a name="line.120"></a> -<span class="sourceLineNo">121</span> private final String clientName;<a name="line.121"></a> +<span class="sourceLineNo">121</span> private final ExtendedBlock block;<a name="line.121"></a> <span class="sourceLineNo">122</span><a name="line.122"></a> -<span class="sourceLineNo">123</span> private final String src;<a name="line.123"></a> +<span class="sourceLineNo">123</span> private final DatanodeInfo[] locations;<a name="line.123"></a> <span class="sourceLineNo">124</span><a name="line.124"></a> -<span class="sourceLineNo">125</span> private final long fileId;<a name="line.125"></a> +<span class="sourceLineNo">125</span> private final Encryptor encryptor;<a name="line.125"></a> <span class="sourceLineNo">126</span><a name="line.126"></a> -<span class="sourceLineNo">127</span> private final LocatedBlock locatedBlock;<a name="line.127"></a> +<span class="sourceLineNo">127</span> private final List<Channel> datanodeList;<a name="line.127"></a> <span class="sourceLineNo">128</span><a name="line.128"></a> -<span class="sourceLineNo">129</span> private final Encryptor encryptor;<a name="line.129"></a> +<span class="sourceLineNo">129</span> private final DataChecksum summer;<a name="line.129"></a> <span class="sourceLineNo">130</span><a name="line.130"></a> -<span class="sourceLineNo">131</span> private final EventLoop eventLoop;<a name="line.131"></a> +<span class="sourceLineNo">131</span> private final int maxDataLen;<a name="line.131"></a> <span class="sourceLineNo">132</span><a name="line.132"></a> -<span class="sourceLineNo">133</span> private final List<Channel> datanodeList;<a name="line.133"></a> +<span class="sourceLineNo">133</span> private final ByteBufAllocator alloc;<a name="line.133"></a> <span class="sourceLineNo">134</span><a name="line.134"></a> -<span class="sourceLineNo">135</span> private final DataChecksum summer;<a name="line.135"></a> +<span class="sourceLineNo">135</span> private static final class Callback {<a name="line.135"></a> <span class="sourceLineNo">136</span><a name="line.136"></a> -<span class="sourceLineNo">137</span> private final int maxDataLen;<a name="line.137"></a> +<span class="sourceLineNo">137</span> private final CompletableFuture<Long> future;<a name="line.137"></a> <span class="sourceLineNo">138</span><a name="line.138"></a> -<span class="sourceLineNo">139</span> private final ByteBufAllocator alloc;<a name="line.139"></a> +<span class="sourceLineNo">139</span> private final long ackedLength;<a name="line.139"></a> <span class="sourceLineNo">140</span><a name="line.140"></a> -<span class="sourceLineNo">141</span> private static final class Callback {<a name="line.141"></a> -<span class="sourceLineNo">142</span><a name="line.142"></a> -<span class="sourceLineNo">143</span> private final Promise<Void> promise;<a name="line.143"></a> -<span class="sourceLineNo">144</span><a name="line.144"></a> -<span class="sourceLineNo">145</span> private final long ackedLength;<a name="line.145"></a> -<span class="sourceLineNo">146</span><a name="line.146"></a> -<span class="sourceLineNo">147</span> private final Set<Channel> unfinishedReplicas;<a name="line.147"></a> -<span class="sourceLineNo">148</span><a name="line.148"></a> -<span class="sourceLineNo">149</span> public Callback(Promise<Void> promise, long ackedLength, Collection<Channel> replicas) {<a name="line.149"></a> -<span class="sourceLineNo">150</span> this.promise = promise;<a name="line.150"></a> -<span class="sourceLineNo">151</span> this.ackedLength = ackedLength;<a name="line.151"></a> -<span class="sourceLineNo">152</span> if (replicas.isEmpty()) {<a name="line.152"></a> -<span class="sourceLineNo">153</span> this.unfinishedReplicas = Collections.emptySet();<a name="line.153"></a> -<span class="sourceLineNo">154</span> } else {<a name="line.154"></a> -<span class="sourceLineNo">155</span> this.unfinishedReplicas =<a name="line.155"></a> -<span class="sourceLineNo">156</span> Collections.newSetFromMap(new IdentityHashMap<Channel, Boolean>(replicas.size()));<a name="line.156"></a> -<span class="sourceLineNo">157</span> this.unfinishedReplicas.addAll(replicas);<a name="line.157"></a> -<span class="sourceLineNo">158</span> }<a name="line.158"></a> -<span class="sourceLineNo">159</span> }<a name="line.159"></a> -<span class="sourceLineNo">160</span> }<a name="line.160"></a> +<span class="sourceLineNo">141</span> // should be backed by a thread safe collection<a name="line.141"></a> +<span class="sourceLineNo">142</span> private final Set<ChannelId> unfinishedReplicas;<a name="line.142"></a> +<span class="sourceLineNo">143</span><a name="line.143"></a> +<span class="sourceLineNo">144</span> public Callback(CompletableFuture<Long> future, long ackedLength,<a name="line.144"></a> +<span class="sourceLineNo">145</span> Collection<Channel> replicas) {<a name="line.145"></a> +<span class="sourceLineNo">146</span> this.future = future;<a name="line.146"></a> +<span class="sourceLineNo">147</span> this.ackedLength = ackedLength;<a name="line.147"></a> +<span class="sourceLineNo">148</span> if (replicas.isEmpty()) {<a name="line.148"></a> +<span class="sourceLineNo">149</span> this.unfinishedReplicas = Collections.emptySet();<a name="line.149"></a> +<span class="sourceLineNo">150</span> } else {<a name="line.150"></a> +<span class="sourceLineNo">151</span> this.unfinishedReplicas =<a name="line.151"></a> +<span class="sourceLineNo">152</span> Collections.newSetFromMap(new ConcurrentHashMap<ChannelId, Boolean>(replicas.size()));<a name="line.152"></a> +<span class="sourceLineNo">153</span> replicas.stream().map(c -> c.id()).forEachOrdered(unfinishedReplicas::add);<a name="line.153"></a> +<span class="sourceLineNo">154</span> }<a name="line.154"></a> +<span class="sourceLineNo">155</span> }<a name="line.155"></a> +<span class="sourceLineNo">156</span> }<a name="line.156"></a> +<span class="sourceLineNo">157</span><a name="line.157"></a> +<span class="sourceLineNo">158</span> private final ConcurrentLinkedDeque<Callback> waitingAckQueue = new ConcurrentLinkedDeque<>();<a name="line.158"></a> +<span class="sourceLineNo">159</span><a name="line.159"></a> +<span class="sourceLineNo">160</span> private volatile long ackedBlockLength = 0L;<a name="line.160"></a> <span class="sourceLineNo">161</span><a name="line.161"></a> -<span class="sourceLineNo">162</span> private final Deque<Callback> waitingAckQueue = new ArrayDeque<>();<a name="line.162"></a> -<span class="sourceLineNo">163</span><a name="line.163"></a> -<span class="sourceLineNo">164</span> // this could be different from acked block length because a packet can not start at the middle of<a name="line.164"></a> -<span class="sourceLineNo">165</span> // a chunk.<a name="line.165"></a> -<span class="sourceLineNo">166</span> private long nextPacketOffsetInBlock = 0L;<a name="line.166"></a> -<span class="sourceLineNo">167</span><a name="line.167"></a> -<span class="sourceLineNo">168</span> private long nextPacketSeqno = 0L;<a name="line.168"></a> +<span class="sourceLineNo">162</span> // this could be different from acked block length because a packet can not start at the middle of<a name="line.162"></a> +<span class="sourceLineNo">163</span> // a chunk.<a name="line.163"></a> +<span class="sourceLineNo">164</span> private long nextPacketOffsetInBlock = 0L;<a name="line.164"></a> +<span class="sourceLineNo">165</span><a name="line.165"></a> +<span class="sourceLineNo">166</span> // the length of the trailing partial chunk, this is because the packet start offset must be<a name="line.166"></a> +<span class="sourceLineNo">167</span> // aligned with the length of checksum chunk so we need to resend the same data.<a name="line.167"></a> +<span class="sourceLineNo">168</span> private int trailingPartialChunkLength = 0;<a name="line.168"></a> <span class="sourceLineNo">169</span><a name="line.169"></a> -<span class="sourceLineNo">170</span> private ByteBuf buf;<a name="line.170"></a> -<span class="sourceLineNo">171</span> // buf's initial capacity - 4KB<a name="line.171"></a> -<span class="sourceLineNo">172</span> private int capacity = 4 * 1024;<a name="line.172"></a> +<span class="sourceLineNo">170</span> private long nextPacketSeqno = 0L;<a name="line.170"></a> +<span class="sourceLineNo">171</span><a name="line.171"></a> +<span class="sourceLineNo">172</span> private ByteBuf buf;<a name="line.172"></a> <span class="sourceLineNo">173</span><a name="line.173"></a> -<span class="sourceLineNo">174</span> // LIMIT is 128MB<a name="line.174"></a> -<span class="sourceLineNo">175</span> private static final int LIMIT = 128 * 1024 * 1024;<a name="line.175"></a> -<span class="sourceLineNo">176</span><a name="line.176"></a> +<span class="sourceLineNo">174</span> private final SendBufSizePredictor sendBufSizePRedictor = new SendBufSizePredictor();<a name="line.174"></a> +<span class="sourceLineNo">175</span><a name="line.175"></a> +<span class="sourceLineNo">176</span> // State for connections to DN<a name="line.176"></a> <span class="sourceLineNo">177</span> private enum State {<a name="line.177"></a> <span class="sourceLineNo">178</span> STREAMING, CLOSING, BROKEN, CLOSED<a name="line.178"></a> <span class="sourceLineNo">179</span> }<a name="line.179"></a> <span class="sourceLineNo">180</span><a name="line.180"></a> -<span class="sourceLineNo">181</span> private State state;<a name="line.181"></a> +<span class="sourceLineNo">181</span> private volatile State state;<a name="line.181"></a> <span class="sourceLineNo">182</span><a name="line.182"></a> -<span class="sourceLineNo">183</span> private void completed(Channel channel) {<a name="line.183"></a> -<span class="sourceLineNo">184</span> if (waitingAckQueue.isEmpty()) {<a name="line.184"></a> -<span class="sourceLineNo">185</span> return;<a name="line.185"></a> -<span class="sourceLineNo">186</span> }<a name="line.186"></a> -<span class="sourceLineNo">187</span> for (Callback c : waitingAckQueue) {<a name="line.187"></a> -<span class="sourceLineNo">188</span> if (c.unfinishedReplicas.remove(channel)) {<a name="line.188"></a> -<span 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locatedBlock.getBlock() + " from datanode " + ctx.channel().remoteAddress()));<a name="line.243"></a> -<span class="sourceLineNo">244</span> return;<a name="line.244"></a> -<span class="sourceLineNo">245</span> }<a name="line.245"></a> -<span class="sourceLineNo">246</span> if (PipelineAck.isRestartOOBStatus(reply)) {<a name="line.246"></a> -<span class="sourceLineNo">247</span> failed(ctx.channel(), () -> new IOException("Restart response " + reply + " for block "<a name="line.247"></a> -<span class="sourceLineNo">248</span> + locatedBlock.getBlock() + " from datanode " + ctx.channel().remoteAddress()));<a name="line.248"></a> -<span class="sourceLineNo">249</span> return;<a name="line.249"></a> -<span class="sourceLineNo">250</span> }<a name="line.250"></a> -<span class="sourceLineNo">251</span> if (ack.getSeqno() == HEART_BEAT_SEQNO) {<a name="line.251"></a> -<span class="sourceLineNo">252</span> return;<a name="line.252"></a> -<span class="sourceLineNo">253</span> }<a name="line.253"></a> -<span class="sourceLineNo">254</span> completed(ctx.channel());<a name="line.254"></a> -<span class="sourceLineNo">255</span> }<a name="line.255"></a> -<span class="sourceLineNo">256</span><a name="line.256"></a> -<span class="sourceLineNo">257</span> @Override<a name="line.257"></a> -<span class="sourceLineNo">258</span> public void channelInactive(ChannelHandlerContext ctx) throws Exception {<a name="line.258"></a> -<span class="sourceLineNo">259</span> failed(ctx.channel(),<a name="line.259"></a> -<span class="sourceLineNo">260</span> () -> new IOException("Connection to " + ctx.channel().remoteAddress() + " closed"));<a name="line.260"></a> -<span class="sourceLineNo">261</span> }<a name="line.261"></a> -<span class="sourceLineNo">262</span><a name="line.262"></a> -<span class="sourceLineNo">263</span> @Override<a name="line.263"></a> -<span class="sourceLineNo">264</span> public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {<a name="line.264"></a> -<span class="sourceLineNo">265</span> failed(ctx.channel(), () -> cause);<a name="line.265"></a> -<span class="sourceLineNo">266</span> }<a name="line.266"></a> -<span class="sourceLineNo">267</span><a name="line.267"></a> -<span class="sourceLineNo">268</span> @Override<a name="line.268"></a> -<span class="sourceLineNo">269</span> public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {<a name="line.269"></a> -<span class="sourceLineNo">270</span> if (evt instanceof IdleStateEvent) {<a name="line.270"></a> -<span class="sourceLineNo">271</span> IdleStateEvent e = (IdleStateEvent) evt;<a name="line.271"></a> -<span class="sourceLineNo">272</span> if (e.state() == READER_IDLE) {<a name="line.272"></a> -<span class="sourceLineNo">273</span> failed(ctx.channel(),<a name="line.273"></a> -<span class="sourceLineNo">274</span> () -> new IOException("Timeout(" + timeoutMs + "ms) waiting for response"));<a name="line.274"></a> -<span class="sourceLineNo">275</span> } else if (e.state() == WRITER_IDLE) {<a name="line.275"></a> -<span class="sourceLineNo">276</span> PacketHeader heartbeat = new PacketHeader(4, 0, HEART_BEAT_SEQNO, false, 0, false);<a name="line.276"></a> -<span class="sourceLineNo">277</span> int len = heartbeat.getSerializedSize();<a name="line.277"></a> -<span class="sourceLineNo">278</span> ByteBuf buf = alloc.buffer(len);<a name="line.278"></a> -<span class="sourceLineNo">279</span> heartbeat.putInBuffer(buf.nioBuffer(0, len));<a name="line.279"></a> -<span class="sourceLineNo">280</span> buf.writerIndex(len);<a name="line.280"></a> -<span class="sourceLineNo">281</span> ctx.channel().writeAndFlush(buf);<a name="line.281"></a> -<span class="sourceLineNo">282</span> }<a name="line.282"></a> -<span class="sourceLineNo">283</span> return;<a name="line.283"></a> -<span class="sourceLineNo">284</span> }<a name="line.284"></a> -<span class="sourceLineNo">285</span> super.userEventTriggered(ctx, evt);<a name="line.285"></a> -<span class="sourceLineNo">286</span> }<a name="line.286"></a> -<span class="sourceLineNo">287</span> }<a name="line.287"></a> -<span class="sourceLineNo">288</span><a name="line.288"></a> -<span class="sourceLineNo">289</span> private void setupReceiver(int timeoutMs) {<a name="line.289"></a> -<span class="sourceLineNo">290</span> AckHandler ackHandler = new AckHandler(timeoutMs);<a name="line.290"></a> -<span class="sourceLineNo">291</span> for (Channel ch : datanodeList) {<a name="line.291"></a> -<span class="sourceLineNo">292</span> ch.pipeline().addLast(<a name="line.292"></a> -<span class="sourceLineNo">293</span> new IdleStateHandler(timeoutMs, timeoutMs / 2, 0, TimeUnit.MILLISECONDS),<a name="line.293"></a> -<span class="sourceLineNo">294</span> new ProtobufVarint32FrameDecoder(),<a name="line.294"></a> -<span class="sourceLineNo">295</span> new ProtobufDecoder(PipelineAckProto.getDefaultInstance()), ackHandler);<a name="line.295"></a> -<span class="sourceLineNo">296</span> ch.config().setAutoRead(true);<a name="line.296"></a> -<span class="sourceLineNo">297</span> }<a name="line.297"></a> -<span class="sourceLineNo">298</span> }<a name="line.298"></a> -<span class="sourceLineNo">299</span><a name="line.299"></a> -<span class="sourceLineNo">300</span> FanOutOneBlockAsyncDFSOutput(Configuration conf, FSUtils fsUtils, DistributedFileSystem dfs,<a name="line.300"></a> -<span class="sourceLineNo">301</span> DFSClient client, ClientProtocol namenode, String clientName, String src, long fileId,<a name="line.301"></a> -<span class="sourceLineNo">302</span> LocatedBlock locatedBlock, Encryptor encryptor, EventLoop eventLoop,<a name="line.302"></a> -<span class="sourceLineNo">303</span> List<Channel> datanodeList, DataChecksum summer, ByteBufAllocator alloc) {<a name="line.303"></a> -<span class="sourceLineNo">304</span> this.conf = conf;<a name="line.304"></a> -<span class="sourceLineNo">305</span> this.fsUtils = fsUtils;<a name="line.305"></a> -<span class="sourceLineNo">306</span> this.dfs = dfs;<a name="line.306"></a> -<span class="sourceLineNo">307</span> this.client = client;<a name="line.307"></a> -<span class="sourceLineNo">308</span> this.namenode = namenode;<a name="line.308"></a> -<span class="sourceLineNo">309</span> this.fileId = fileId;<a name="line.309"></a> -<span class="sourceLineNo">310</span> this.clientName = clientName;<a name="line.310"></a> -<span class="sourceLineNo">311</span> this.src = src;<a name="line.311"></a> -<span class="sourceLineNo">312</span> this.locatedBlock = locatedBlock;<a name="line.312"></a> -<span class="sourceLineNo">313</span> this.encryptor = encryptor;<a name="line.313"></a> -<span class="sourceLineNo">314</span> this.eventLoop = eventLoop;<a name="line.314"></a> -<span class="sourceLineNo">315</span> this.datanodeList = datanodeList;<a name="line.315"></a> -<span class="sourceLineNo">316</span> this.summer = summer;<a name="line.316"></a> -<span class="sourceLineNo">317</span> this.maxDataLen = MAX_DATA_LEN - (MAX_DATA_LEN % summer.getBytesPerChecksum());<a name="line.317"></a> -<span class="sourceLineNo">318</span> this.alloc = alloc;<a name="line.318"></a> -<span class="sourceLineNo">319</span> this.buf = alloc.directBuffer(capacity);<a name="line.319"></a> -<span class="sourceLineNo">320</span> this.state = State.STREAMING;<a name="line.320"></a> -<span class="sourceLineNo">321</span> setupReceiver(conf.getInt(DFS_CLIENT_SOCKET_TIMEOUT_KEY, READ_TIMEOUT));<a name="line.321"></a> -<span class="sourceLineNo">322</span> }<a name="line.322"></a> -<span class="sourceLineNo">323</span><a name="line.323"></a> -<span class="sourceLineNo">324</span> private void writeInt0(int i) {<a name="line.324"></a> -<span class="sourceLineNo">325</span> buf.ensureWritable(4);<a name="line.325"></a> -<span class="sourceLineNo">326</span> buf.writeInt(i);<a name="line.326"></a> +<span class="sourceLineNo">183</span> // all lock-free to make it run faster<a name="line.183"></a> +<span class="sourceLineNo">184</span> private void completed(Channel channel) {<a name="line.184"></a> +<span class="sourceLineNo">185</span> for (Iterator<Callback> iter = waitingAckQueue.iterator(); iter.hasNext();) {<a name="line.185"></a> +<span class="sourceLineNo">186</span> Callback c = iter.next();<a name="line.186"></a> +<span class="sourceLineNo">187</span> // if the current unfinished replicas does not contain us then it means that we have already<a name="line.187"></a> +<span class="sourceLineNo">188</span> // acked this one, let's iterate to find the one we have not acked yet.<a name="line.188"></a> +<span class="sourceLineNo">189</span> if (c.unfinishedReplicas.remove(channel.id())) {<a name="line.189"></a> +<span class="sourceLineNo">190</span> if (c.unfinishedReplicas.isEmpty()) {<a name="line.190"></a> +<span class="sourceLineNo">191</span> // we need to remove first before complete the future. 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class="sourceLineNo">237</span> for (Iterator<Callback> iter = waitingAckQueue.iterator(); iter.hasNext();) {<a name="line.237"></a> +<span class="sourceLineNo">238</span> Callback c = iter.next();<a name="line.238"></a> +<span class="sourceLineNo">239</span> // find the first sync request which we have not acked yet and fail all the request after it.<a name="line.239"></a> +<span class="sourceLineNo">240</span> if (!c.unfinishedReplicas.contains(channel.id())) {<a name="line.240"></a> +<span class="sourceLineNo">241</span> continue;<a name="line.241"></a> +<span class="sourceLineNo">242</span> }<a name="line.242"></a> +<span class="sourceLineNo">243</span> for (;;) {<a name="line.243"></a> +<span class="sourceLineNo">244</span> c.future.completeExceptionally(error);<a name="line.244"></a> +<span class="sourceLineNo">245</span> if (!iter.hasNext()) {<a name="line.245"></a> +<span class="sourceLineNo">246</span> break;<a name="line.246"></a> +<span class="sourceLineNo">247</span> }<a name="line.247"></a> +<span class="sourceLineNo">248</span> c = iter.next();<a name="line.248"></a> +<span class="sourceLineNo">249</span> }<a name="line.249"></a> +<span class="sourceLineNo">250</span> break;<a name="line.250"></a> +<span class="sourceLineNo">251</span> }<a name="line.251"></a> +<span class="sourceLineNo">252</span> datanodeList.forEach(ch -> ch.close());<a name="line.252"></a> +<span class="sourceLineNo">253</span> }<a name="line.253"></a> +<span class="sourceLineNo">254</span><a name="line.254"></a> +<span class="sourceLineNo">255</span> @Sharable<a name="line.255"></a> +<span class="sourceLineNo">256</span> private final class AckHandler extends SimpleChannelInboundHandler<PipelineAckProto> {<a name="line.256"></a> +<span class="sourceLineNo">257</span><a name="line.257"></a> +<span class="sourceLineNo">258</span> private final int timeoutMs;<a name="line.258"></a> +<span class="sourceLineNo">259</span><a name="line.259"></a> +<span class="sourceLineNo">260</span> 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exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {<a name="line.293"></a> +<span class="sourceLineNo">294</span> failed(ctx.channel(), () -> cause);<a name="line.294"></a> +<span class="sourceLineNo">295</span> }<a name="line.295"></a> +<span class="sourceLineNo">296</span><a name="line.296"></a> +<span class="sourceLineNo">297</span> @Override<a name="line.297"></a> +<span class="sourceLineNo">298</span> public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {<a name="line.298"></a> +<span class="sourceLineNo">299</span> if (evt instanceof IdleStateEvent) {<a name="line.299"></a> +<span class="sourceLineNo">300</span> IdleStateEvent e = (IdleStateEvent) evt;<a name="line.300"></a> +<span class="sourceLineNo">301</span> if (e.state() == READER_IDLE) {<a name="line.301"></a> +<span class="sourceLineNo">302</span> failed(ctx.channel(),<a name="line.302"></a> +<span class="sourceLineNo">303</span> () -> new IOException("Timeout(" + timeoutMs + "ms) waiting for response"));<a name="line.303"></a> +<span class="sourceLineNo">304</span> } else if (e.state() == WRITER_IDLE) {<a name="line.304"></a> +<span class="sourceLineNo">305</span> PacketHeader heartbeat = new PacketHeader(4, 0, HEART_BEAT_SEQNO, false, 0, false);<a name="line.305"></a> +<span class="sourceLineNo">306</span> int len = heartbeat.getSerializedSize();<a name="line.306"></a> +<span class="sourceLineNo">307</span> ByteBuf buf = alloc.buffer(len);<a name="line.307"></a> +<span class="sourceLineNo">308</span> heartbeat.putInBuffer(buf.nioBuffer(0, len));<a name="line.308"></a> +<span class="sourceLineNo">309</span> buf.writerIndex(len);<a name="line.309"></a> +<span class="sourceLineNo">310</span> ctx.channel().writeAndFlush(buf);<a name="line.310"></a> +<span class="sourceLineNo">311</span> }<a name="line.311"></a> +<span class="sourceLineNo">312</span> return;<a name="line.312"></a> +<span class="sourceLineNo">313</span> }<a name="line.313"></a> +<span class="sourceLineNo">314</span> super.userEventTriggered(ctx, evt);<a name="line.314"></a> +<span class="sourceLineNo">315</span> }<a name="line.315"></a> +<span class="sourceLineNo">316</span> }<a name="line.316"></a> +<span class="sourceLineNo">317</span><a name="line.317"></a> +<span class="sourceLineNo">318</span> private void setupReceiver(int timeoutMs) {<a name="line.318"></a> +<span class="sourceLineNo">319</span> AckHandler ackHandler = new AckHandler(timeoutMs);<a name="line.319"></a> +<span class="sourceLineNo">320</span> for (Channel ch : datanodeList) {<a name="line.320"></a> +<span class="sourceLineNo">321</span> ch.pipeline().addLast(<a name="line.321"></a> +<span class="sourceLineNo">322</span> new IdleStateHandler(timeoutMs, timeoutMs / 2, 0, TimeUnit.MILLISECONDS),<a name="line.322"></a> +<span class="sourceLineNo">323</span> new ProtobufVarint32FrameDecoder(),<a name="line.323"></a> +<span class="sourceLineNo">324</span> new ProtobufDecoder(PipelineAckProto.getDefaultInstance()), ackHandler);<a name="line.324"></a> +<span class="sourceLineNo">325</span> ch.config().setAutoRead(true);<a name="line.325"></a> +<span class="sourceLineNo">326</span> }<a name="line.326"></a> <span class="sourceLineNo">327</span> }<a name="line.327"></a> <span class="sourceLineNo">328</span><a name="line.328"></a> -<span class="sourceLineNo">329</span> @Override<a name="line.329"></a> -<span class="sourceLineNo">330</span> public void writeInt(int i) {<a name="line.330"></a> -<span class="sourceLineNo">331</span> if (eventLoop.inEventLoop()) {<a name="line.331"></a> -<span class="sourceLineNo">332</span> writeInt0(i);<a name="line.332"></a> -<span class="sourceLineNo">333</span> } else {<a name="line.333"></a> -<span class="sourceLineNo">334</span> eventLoop.submit(() -> writeInt0(i));<a name="line.334"></a> -<span class="sourceLineNo">335</span> }<a name="line.335"></a> -<span class="sourceLineNo">336</span> }<a 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class="sourceLineNo">447</span> Callback c = waitingAckQueue.peekLast();<a name="line.447"></a> -<span class="sourceLineNo">448</span> if (c != null && lengthAfterFlush == c.ackedLength) {<a name="line.448"></a> -<span class="sourceLineNo">449</span> // just append it to the tail of waiting ack queue,, do not issue new hflush request.<a name="line.449"></a> -<span class="sourceLineNo">450</span> waitingAckQueue.addLast(new Callback(eventLoop.<Void> newPromise().addListener(f -> {<a name="line.450"></a> -<span class="sourceLineNo">451</span> if (f.isSuccess()) {<a name="line.451"></a> -<span class="sourceLineNo">452</span> future.complete(lengthAfterFlush);<a name="line.452"></a> -<span class="sourceLineNo">453</span> } else {<a name="line.453"></a> -<span class="sourceLineNo">454</span> future.completeExceptionally(f.cause());<a name="line.454"></a> -<span class="sourceLineNo">455</span> }<a name="line.455"></a> -<span class="sourceLineNo">456</span> }), lengthAfterFlush, 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true, 0, false);<a name="line.518"></a> -<span class="sourceLineNo">519</span> buf.release();<a name="line.519"></a> -<span class="sourceLineNo">520</span> buf = null;<a name="line.520"></a> -<span class="sourceLineNo">521</span> int headerLen = header.getSerializedSize();<a name="line.521"></a> -<span class="sourceLineNo">522</span> ByteBuf headerBuf = alloc.directBuffer(headerLen);<a name="line.522"></a> -<span class="sourceLineNo">523</span> header.putInBuffer(headerBuf.nioBuffer(0, headerLen));<a name="line.523"></a> -<span class="sourceLineNo">524</span> headerBuf.writerIndex(headerLen);<a name="line.524"></a> -<span class="sourceLineNo">525</span> waitingAckQueue.add(new Callback(promise, size, datanodeList));<a name="line.525"></a> -<span class="sourceLineNo">526</span> datanodeList.forEach(ch -> ch.writeAndFlush(headerBuf.duplicate().retain()));<a name="line.526"></a> -<span class="sourceLineNo">527</span> headerBuf.release();<a name="line.527"></a> -<span class="sourceLineNo">528</span> }<a name="line.528"></a> -<span class="sourceLineNo">529</span><a name="line.529"></a> -<span class="sourceLineNo">530</span> /**<a name="line.530"></a> -<span class="sourceLineNo">531</span> * The close method when error occurred. 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(MAX_DATA_LEN % summer.getBytesPerChecksum());<a name="line.346"></a> +<span class="sourceLineNo">347</span> this.alloc = alloc;<a name="line.347"></a> +<span class="sourceLineNo">348</span> this.buf = alloc.directBuffer(sendBufSizePRedictor.initialSize());<a name="line.348"></a> +<span class="sourceLineNo">349</span> this.state = State.STREAMING;<a name="line.349"></a> +<span class="sourceLineNo">350</span> setupReceiver(conf.getInt(DFS_CLIENT_SOCKET_TIMEOUT_KEY, READ_TIMEOUT));<a name="line.350"></a> +<span class="sourceLineNo">351</span> }<a name="line.351"></a> +<span class="sourceLineNo">352</span><a name="line.352"></a> +<span class="sourceLineNo">353</span> @Override<a name="line.353"></a> +<span class="sourceLineNo">354</span> public void writeInt(int i) {<a name="line.354"></a> +<span class="sourceLineNo">355</span> buf.ensureWritable(4);<a name="line.355"></a> +<span class="sourceLineNo">356</span> buf.writeInt(i);<a name="line.356"></a> +<span class="sourceLineNo">357</span> }<a name="line.357"></a> +<span class="sourceLineNo">358</span><a name="line.358"></a> +<span class="sourceLineNo">359</span> @Override<a name="line.359"></a> +<span class="sourceLineNo">360</span> public void write(ByteBuffer bb) {<a name="line.360"></a> +<span class="sourceLineNo">361</span> buf.ensureWritable(bb.remaining());<a name="line.361"></a> +<span class="sourceLineNo">362</span> buf.writeBytes(bb);<a name="line.362"></a> +<span class="sourceLineNo">363</span> }<a name="line.363"></a> +<span class="sourceLineNo">364</span><a name="line.364"></a> +<span class="sourceLineNo">365</span> @Override<a name="line.365"></a> +<span class="sourceLineNo">366</span> public void write(byte[] b) {<a name="line.366"></a> +<span class="sourceLineNo">367</span> write(b, 0, b.length);<a name="line.367"></a> +<span class="sourceLineNo">368</span> }<a name="line.368"></a> +<span class="sourceLineNo">369</span><a name="line.369"></a> +<span class="sourceLineNo">370</span> @Override<a name="line.370"></a> +<span class="sourceLineNo">371</span> public void write(byte[] b, int off, int len) {<a name="line.371"></a> +<span class="sourceLineNo">372</span> buf.ensureWritable(len);<a name="line.372"></a> +<span class="sourceLineNo">373</span> buf.writeBytes(b, off, len);<a name="line.373"></a> +<span class="sourceLineNo">374</span> }<a name="line.374"></a> +<span class="sourceLineNo">375</span><a name="line.375"></a> +<span class="sourceLineNo">376</span> @Override<a name="line.376"></a> +<span class="sourceLineNo">377</span> public int buffered() {<a name="line.377"></a> +<span class="sourceLineNo">378</span> return buf.readableBytes();<a name="line.378"></a> +<span class="sourceLineNo">379</span> }<a name="line.379"></a> +<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> return locations;<a name="line.383"></a> +<span class="sourceLineNo">384</span> }<a name="line.384"></a> +<span class="sourceLineNo">385</span><a name="line.385"></a> +<span class="sourceLineNo">386</span> private void flushBuffer(CompletableFuture<Long> future, ByteBuf dataBuf,<a name="line.386"></a> +<span class="sourceLineNo">387</span> long nextPacketOffsetInBlock, boolean syncBlock) {<a name="line.387"></a> +<span class="sourceLineNo">388</span> int dataLen = dataBuf.readableBytes();<a name="line.388"></a> +<span class="sourceLineNo">389</span> int chunkLen = summer.getBytesPerChecksum();<a name="line.389"></a> +<span class="sourceLineNo">390</span> int trailingPartialChunkLen = dataLen % chunkLen;<a name="line.390"></a> +<span class="sourceLineNo">391</span> int 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=
<TRUNCATED>
