diff options
author | Jon Marius Venstad <venstad@gmail.com> | 2021-10-21 17:44:23 +0200 |
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committer | Jon Marius Venstad <venstad@gmail.com> | 2021-10-21 17:44:23 +0200 |
commit | 90c4fa8c527f99146287f77ce7157a7ec1594df7 (patch) | |
tree | d3c65ce6715b87bfa587dba250b7445ad2a65cc0 /container-core/src/main/java/com/yahoo/container/jdisc/ThreadedHttpRequestHandler.java | |
parent | 3cf7e6d9d2aab508924da8ef9f1a8f1b10f31453 (diff) |
Revert "Merge pull request #19664 from vespa-engine/jonmv/streaming-doc-v1-visit"
This reverts commit b5d4b42caabf2c41fcbd8b21814819aae77dc7aa, reversing
changes made to 9abe019606f2367b05e4e13d796de65dddf7c449.
Diffstat (limited to 'container-core/src/main/java/com/yahoo/container/jdisc/ThreadedHttpRequestHandler.java')
-rw-r--r-- | container-core/src/main/java/com/yahoo/container/jdisc/ThreadedHttpRequestHandler.java | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/container-core/src/main/java/com/yahoo/container/jdisc/ThreadedHttpRequestHandler.java b/container-core/src/main/java/com/yahoo/container/jdisc/ThreadedHttpRequestHandler.java index 0c3c1e2120b..0bfe4afe07d 100644 --- a/container-core/src/main/java/com/yahoo/container/jdisc/ThreadedHttpRequestHandler.java +++ b/container-core/src/main/java/com/yahoo/container/jdisc/ThreadedHttpRequestHandler.java @@ -10,6 +10,9 @@ import com.yahoo.jdisc.handler.ContentChannel; import com.yahoo.jdisc.handler.UnsafeContentInputStream; import com.yahoo.jdisc.handler.ResponseHandler; +import java.io.InterruptedIOException; +import java.util.concurrent.atomic.AtomicBoolean; +import java.util.concurrent.atomic.AtomicLong; import java.util.logging.Level; import java.io.IOException; @@ -250,4 +253,81 @@ public abstract class ThreadedHttpRequestHandler extends ThreadedRequestHandler } + /** + * @author baldersheim + */ + static class MaxPendingContentChannelOutputStream extends ContentChannelOutputStream { + private final long maxPending; + private final AtomicLong sent = new AtomicLong(0); + private final AtomicLong acked = new AtomicLong(0); + + public MaxPendingContentChannelOutputStream(ContentChannel endpoint, long maxPending) { + super(endpoint); + this.maxPending = maxPending; + } + + private long pendingBytes() { + return sent.get() - acked.get(); + } + + private class TrackCompletion implements CompletionHandler { + + private final long written; + private final AtomicBoolean replied = new AtomicBoolean(false); + + TrackCompletion(long written) { + this.written = written; + sent.addAndGet(written); + } + + @Override + public void completed() { + if ( ! replied.getAndSet(true)) { + acked.addAndGet(written); + } + } + + @Override + public void failed(Throwable t) { + if ( ! replied.getAndSet(true)) { + acked.addAndGet(written); + } + } + } + + @Override + public void send(ByteBuffer src) throws IOException { + try { + stallWhilePendingAbove(maxPending); + } catch (InterruptedException ignored) { + throw new InterruptedIOException("Interrupted waiting for IO"); + } + CompletionHandler pendingTracker = new TrackCompletion(src.remaining()); + try { + send(src, pendingTracker); + } catch (Throwable throwable) { + pendingTracker.failed(throwable); + throw throwable; + } + } + + private void stallWhilePendingAbove(long pending) throws InterruptedException { + while (pendingBytes() > pending) { + Thread.sleep(1); + } + } + + @Override + public void flush() throws IOException { + super.flush(); + try { + stallWhilePendingAbove(0); + } + catch (InterruptedException e) { + throw new InterruptedIOException("Interrupted waiting for IO"); + } + } + + } + } |