From 90c4fa8c527f99146287f77ce7157a7ec1594df7 Mon Sep 17 00:00:00 2001
From: Jon Marius Venstad <venstad@gmail.com>
Date: Thu, 21 Oct 2021 17:44:23 +0200
Subject: Revert "Merge pull request #19664 from
 vespa-engine/jonmv/streaming-doc-v1-visit"

This reverts commit b5d4b42caabf2c41fcbd8b21814819aae77dc7aa, reversing
changes made to 9abe019606f2367b05e4e13d796de65dddf7c449.
---
 .../MaxPendingContentChannelOutputStream.java      | 92 ----------------------
 1 file changed, 92 deletions(-)
 delete mode 100644 container-core/src/main/java/com/yahoo/container/jdisc/MaxPendingContentChannelOutputStream.java

(limited to 'container-core/src/main/java/com/yahoo/container/jdisc/MaxPendingContentChannelOutputStream.java')

diff --git a/container-core/src/main/java/com/yahoo/container/jdisc/MaxPendingContentChannelOutputStream.java b/container-core/src/main/java/com/yahoo/container/jdisc/MaxPendingContentChannelOutputStream.java
deleted file mode 100644
index aec4eeecd7b..00000000000
--- a/container-core/src/main/java/com/yahoo/container/jdisc/MaxPendingContentChannelOutputStream.java
+++ /dev/null
@@ -1,92 +0,0 @@
-// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
-package com.yahoo.container.jdisc;
-
-import com.yahoo.jdisc.handler.CompletionHandler;
-import com.yahoo.jdisc.handler.ContentChannel;
-
-import java.io.IOException;
-import java.io.InterruptedIOException;
-import java.nio.ByteBuffer;
-import java.util.concurrent.atomic.AtomicBoolean;
-import java.util.concurrent.atomic.AtomicLong;
-
-/**
- * @author baldersheim
- */
-public 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");
-        }
-    }
-
-}
-- 
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