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netty-incubator-buffer-api
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Merge pull request #1 from netty/gh-workflow 

Add a GitHub workflow for building PRs
This commit is contained in:
Chris Vest 2020-11-21 21:35:29 +01:00 committed by GitHub
parent a4ecc1b184 b171449de9
commit c91478341b
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GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 369 additions and 215 deletions
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55
.github/workflows/ci-workflow.yml vendored Normal file
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@ -0,0 +1,55 @@
# This is a basic workflow to help you get started with Actions
name: CI Build
# Controls when the action will run.
on:
# Triggers the workflow on push or pull request events but only for the main branch
push:
branches: [ main ]
pull_request:
branches: [ main ]
# Allows you to run this workflow manually from the Actions tab
workflow_dispatch:
# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
# This workflow contains a single job called "build"
build:
# env:
# DOCKER_BUILDKIT: '1'
# DOCKER_BUILD_OPTS: "--cache-from=localhost:5000/build-cache --build-arg BUILDKIT_INLINE_CACHE=1"
# The type of runner that the job will run on
runs-on: ubuntu-latest
# Steps represent a sequence of tasks that will be executed as part of the job
steps:
# Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
- uses: actions/checkout@v2
- uses: satackey/action-docker-layer-caching@v0.0.8
continue-on-error: true
# - id: cache-docker
# uses: actions/cache@v1
# with:
# path: /tmp/docker-registry
# key: docker-registry-buildkit-${{ hashFiles('Dockerfile', 'Makefile', 'pom.xml') }}
# - run: |
# docker run -d -p 5000:5000 --restart=always --name registry -v /tmp/docker-registry:/var/lib/registry registry:2 && npx wait-on tcp:5000
# make build
# docker tag netty-incubator-buffer:build localhost:5000/build-cache && docker push localhost:5000/build-cache || true
# - name: Prepare docker build cache
# run: |
# echo ${{ secrets.GITHUB_TOKEN }} | docker login docker.pkg.github.com -u $GITHUB_ACTOR --password-stdin
# docker pull docker.pkg.github.com/$GITHUB_REPOSITORY/build-cache || true
# export DOCKER_BUILD_OPTS="--cache-from=docker.pkg.github.com/$GITHUB_REPOSITORY/build-cache"
# Run the make script
- name: Make build
run: make build
# Cache build outputs
# - name: Save docker build cache
# run: |
# docker tag netty-incubator-buffer:build docker.pkg.github.com/$GITHUB_REPOSITORY/build-cache
# docker push docker.pkg.github.com/$GITHUB_REPOSITORY/build-cache || true

2
Dockerfile
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@ -1,5 +1,5 @@
# Prepare environment
FROM fedora:latest
FROM fedora:33
RUN dnf -y install file findutils unzip zip libXtst-devel libXt-devel libXrender-devel libXrandr-devel \
libXi-devel cups-devel fontconfig-devel alsa-lib-devel make autoconf diffutils git clang \
java-latest-openjdk-devel

2
Makefile
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@ -2,7 +2,7 @@
.DEFAULT_GOAL := build
image:
docker build --tag netty-incubator-buffer:build .
docker build $(DOCKER_BUILD_OPTS) --tag netty-incubator-buffer:build .
test: image
docker run --rm --name build-container netty-incubator-buffer:build

332
src/main/java/io/netty/buffer/api/memseg/MemSegBuf.java
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@ -28,41 +28,27 @@ import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.util.NoSuchElementException;
import static jdk.incubator.foreign.MemoryAccess.getByteAtOffset_BE;
import static jdk.incubator.foreign.MemoryAccess.getByteAtOffset_LE;
import static jdk.incubator.foreign.MemoryAccess.getCharAtOffset_BE;
import static jdk.incubator.foreign.MemoryAccess.getCharAtOffset_LE;
import static jdk.incubator.foreign.MemoryAccess.getDoubleAtOffset_BE;
import static jdk.incubator.foreign.MemoryAccess.getDoubleAtOffset_LE;
import static jdk.incubator.foreign.MemoryAccess.getFloatAtOffset_BE;
import static jdk.incubator.foreign.MemoryAccess.getFloatAtOffset_LE;
import static jdk.incubator.foreign.MemoryAccess.getIntAtOffset_BE;
import static jdk.incubator.foreign.MemoryAccess.getIntAtOffset_LE;
import static jdk.incubator.foreign.MemoryAccess.getLongAtOffset_BE;
import static jdk.incubator.foreign.MemoryAccess.getLongAtOffset_LE;
import static jdk.incubator.foreign.MemoryAccess.getShortAtOffset_BE;
import static jdk.incubator.foreign.MemoryAccess.getShortAtOffset_LE;
import static jdk.incubator.foreign.MemoryAccess.setByteAtOffset_BE;
import static jdk.incubator.foreign.MemoryAccess.setByteAtOffset_LE;
import static jdk.incubator.foreign.MemoryAccess.setCharAtOffset_BE;
import static jdk.incubator.foreign.MemoryAccess.setCharAtOffset_LE;
import static jdk.incubator.foreign.MemoryAccess.setDoubleAtOffset_BE;
import static jdk.incubator.foreign.MemoryAccess.setDoubleAtOffset_LE;
import static jdk.incubator.foreign.MemoryAccess.setFloatAtOffset_BE;
import static jdk.incubator.foreign.MemoryAccess.setFloatAtOffset_LE;
import static jdk.incubator.foreign.MemoryAccess.setIntAtOffset_BE;
import static jdk.incubator.foreign.MemoryAccess.setIntAtOffset_LE;
import static jdk.incubator.foreign.MemoryAccess.setLongAtOffset_BE;
import static jdk.incubator.foreign.MemoryAccess.setLongAtOffset_LE;
import static jdk.incubator.foreign.MemoryAccess.setShortAtOffset_BE;
import static jdk.incubator.foreign.MemoryAccess.setShortAtOffset_LE;
import static jdk.incubator.foreign.MemoryAccess.getByteAtOffset;
import static jdk.incubator.foreign.MemoryAccess.getCharAtOffset;
import static jdk.incubator.foreign.MemoryAccess.getDoubleAtOffset;
import static jdk.incubator.foreign.MemoryAccess.getFloatAtOffset;
import static jdk.incubator.foreign.MemoryAccess.getIntAtOffset;
import static jdk.incubator.foreign.MemoryAccess.getLongAtOffset;
import static jdk.incubator.foreign.MemoryAccess.getShortAtOffset;
import static jdk.incubator.foreign.MemoryAccess.setByteAtOffset;
import static jdk.incubator.foreign.MemoryAccess.setCharAtOffset;
import static jdk.incubator.foreign.MemoryAccess.setDoubleAtOffset;
import static jdk.incubator.foreign.MemoryAccess.setFloatAtOffset;
import static jdk.incubator.foreign.MemoryAccess.setIntAtOffset;
import static jdk.incubator.foreign.MemoryAccess.setLongAtOffset;
import static jdk.incubator.foreign.MemoryAccess.setShortAtOffset;
class MemSegBuf extends RcSupport<Buf, MemSegBuf> implements Buf {
static final Drop<MemSegBuf> SEGMENT_CLOSE = buf -> buf.seg.close();
private final AllocatorControl alloc;
private final boolean isSendable;
private MemorySegment seg;
private boolean isBigEndian;
private ByteOrder order;
private int roff;
private int woff;
@ -75,7 +61,7 @@ class MemSegBuf extends RcSupport<Buf, MemSegBuf> implements Buf {
this.alloc = alloc;
seg = segment;
this.isSendable = isSendable;
isBigEndian = ByteOrder.nativeOrder() == ByteOrder.BIG_ENDIAN;
order = ByteOrder.nativeOrder();
}
@Override
@ -85,13 +71,13 @@ class MemSegBuf extends RcSupport<Buf, MemSegBuf> implements Buf {
@Override
public Buf order(ByteOrder order) {
isBigEndian = order == ByteOrder.BIG_ENDIAN;
this.order = order;
return this;
}
@Override
public ByteOrder order() {
return isBigEndian? ByteOrder.BIG_ENDIAN : ByteOrder.LITTLE_ENDIAN;
return order;
}
@Override
@ -217,7 +203,7 @@ class MemSegBuf extends RcSupport<Buf, MemSegBuf> implements Buf {
if (!hasNextLong()) {
throw new NoSuchElementException("No 'long' value at offet " + currentOffset() + '.');
}
long val = getLongAtOffset_BE(segment, index);
long val = getLongAtOffset(segment, index, ByteOrder.BIG_ENDIAN);
index += Long.BYTES;
return val;
}
@ -232,7 +218,7 @@ class MemSegBuf extends RcSupport<Buf, MemSegBuf> implements Buf {
if (!hasNextByte()) {
throw new NoSuchElementException("No 'byte' value at offet " + currentOffset() + '.');
}
byte val = getByteAtOffset_BE(segment, index);
byte val = getByteAtOffset(segment, index);
index++;
return val;
}
@ -280,7 +266,7 @@ class MemSegBuf extends RcSupport<Buf, MemSegBuf> implements Buf {
throw new NoSuchElementException("No 'long' value at offet " + currentOffset() + '.');
}
index -= 7;
long val = getLongAtOffset_LE(segment, index);
long val = getLongAtOffset(segment, index, ByteOrder.LITTLE_ENDIAN);
index--;
return val;
}
@ -295,7 +281,7 @@ class MemSegBuf extends RcSupport<Buf, MemSegBuf> implements Buf {
if (!hasNextByte()) {
throw new NoSuchElementException("No 'byte' value at offet " + currentOffset() + '.');
}
byte val = getByteAtOffset_LE(segment, index);
byte val = getByteAtOffset(segment, index);
index--;
return val;
}
@ -336,7 +322,7 @@ class MemSegBuf extends RcSupport<Buf, MemSegBuf> implements Buf {
@Override
public byte readByte() {
checkRead(roff, Byte.BYTES);
byte value = isBigEndian? getByteAtOffset_BE(seg, roff) : getByteAtOffset_LE(seg, roff);
byte value = getByteAtOffset(seg, roff);
roff += Byte.BYTES;
return value;
}
@ -344,13 +330,13 @@ class MemSegBuf extends RcSupport<Buf, MemSegBuf> implements Buf {
@Override
public byte getByte(int roff) {
checkRead(roff, Byte.BYTES);
return isBigEndian? getByteAtOffset_BE(seg, roff) : getByteAtOffset_LE(seg, roff);
return getByteAtOffset(seg, roff);
}
@Override
public int readUnsignedByte() {
checkRead(roff, Byte.BYTES);
int value = (isBigEndian? getByteAtOffset_BE(seg, roff) : getByteAtOffset_LE(seg, roff)) & 0xFF;
int value = getByteAtOffset(seg, roff) & 0xFF;
roff += Byte.BYTES;
return value;
}
@ -358,55 +344,39 @@ class MemSegBuf extends RcSupport<Buf, MemSegBuf> implements Buf {
@Override
public int getUnsignedByte(int roff) {
checkRead(roff, Byte.BYTES);
return (isBigEndian? getByteAtOffset_BE(seg, roff) : getByteAtOffset_LE(seg, roff)) & 0xFF;
return getByteAtOffset(seg, roff) & 0xFF;
}
@Override
public Buf writeByte(byte value) {
if (isBigEndian) {
setByteAtOffset_BE(seg, woff, value);
} else {
setByteAtOffset_LE(seg, woff, value);
}
setByteAtOffset(seg, woff, value);
woff += Byte.BYTES;
return this;
}
@Override
public Buf setByte(int woff, byte value) {
if (isBigEndian) {
setByteAtOffset_BE(seg, woff, value);
} else {
setByteAtOffset_LE(seg, woff, value);
}
setByteAtOffset(seg, woff, value);
return this;
}
@Override
public Buf writeUnsignedByte(int value) {
if (isBigEndian) {
setByteAtOffset_BE(seg, woff, (byte) (value & 0xFF));
} else {
setByteAtOffset_LE(seg, woff, (byte) (value & 0xFF));
}
setByteAtOffset(seg, woff, (byte) (value & 0xFF));
woff += Byte.BYTES;
return this;
}
@Override
public Buf setUnsignedByte(int woff, int value) {
if (isBigEndian) {
setByteAtOffset_BE(seg, woff, (byte) (value & 0xFF));
} else {
setByteAtOffset_LE(seg, woff, (byte) (value & 0xFF));
}
setByteAtOffset(seg, woff, (byte) (value & 0xFF));
return this;
}
@Override
public char readChar() {
checkRead(roff, 2);
char value = isBigEndian? getCharAtOffset_BE(seg, roff) : getCharAtOffset_LE(seg, roff);
char value = getCharAtOffset(seg, roff, order);
roff += 2;
return value;
}
@ -414,34 +384,26 @@ class MemSegBuf extends RcSupport<Buf, MemSegBuf> implements Buf {
@Override
public char getChar(int roff) {
checkRead(roff, 2);
return isBigEndian? getCharAtOffset_BE(seg, roff) : getCharAtOffset_LE(seg, roff);
return getCharAtOffset(seg, roff, order);
}
@Override
public Buf writeChar(char value) {
if (isBigEndian) {
setCharAtOffset_BE(seg, woff, value);
} else {
setCharAtOffset_LE(seg, woff, value);
}
setCharAtOffset(seg, woff, order, value);
woff += 2;
return this;
}
@Override
public Buf setChar(int woff, char value) {
if (isBigEndian) {
setCharAtOffset_BE(seg, woff, value);
} else {
setCharAtOffset_LE(seg, woff, value);
}
setCharAtOffset(seg, woff, order, value);
return this;
}
@Override
public short readShort() {
checkRead(roff, Short.BYTES);
short value = isBigEndian? getShortAtOffset_BE(seg, roff) : getShortAtOffset_LE(seg, roff);
short value = getShortAtOffset(seg, roff, order);
roff += Short.BYTES;
return value;
}
@ -449,13 +411,13 @@ class MemSegBuf extends RcSupport<Buf, MemSegBuf> implements Buf {
@Override
public short getShort(int roff) {
checkRead(roff, Short.BYTES);
return isBigEndian? getShortAtOffset_BE(seg, roff) : getShortAtOffset_LE(seg, roff);
return getShortAtOffset(seg, roff, order);
}
@Override
public int readUnsignedShort() {
checkRead(roff, Short.BYTES);
int value = (isBigEndian? getShortAtOffset_BE(seg, roff) : getShortAtOffset_LE(seg, roff)) & 0xFFFF;
int value = getShortAtOffset(seg, roff, order) & 0xFFFF;
roff += Short.BYTES;
return value;
}
@ -463,61 +425,45 @@ class MemSegBuf extends RcSupport<Buf, MemSegBuf> implements Buf {
@Override
public int getUnsignedShort(int roff) {
checkRead(roff, Short.BYTES);
return (isBigEndian? getShortAtOffset_BE(seg, roff) : getShortAtOffset_LE(seg, roff)) & 0xFFFF;
return getShortAtOffset(seg, roff, order) & 0xFFFF;
}
@Override
public Buf writeShort(short value) {
if (isBigEndian) {
setShortAtOffset_BE(seg, woff, value);
} else {
setShortAtOffset_LE(seg, woff, value);
}
setShortAtOffset(seg, woff, order, value);
woff += Short.BYTES;
return this;
}
@Override
public Buf setShort(int woff, short value) {
if (isBigEndian) {
setShortAtOffset_BE(seg, woff, value);
} else {
setShortAtOffset_LE(seg, woff, value);
}
setShortAtOffset(seg, woff, order, value);
return this;
}
@Override
public Buf writeUnsignedShort(int value) {
if (isBigEndian) {
setShortAtOffset_BE(seg, woff, (short) (value & 0xFFFF));
} else {
setShortAtOffset_LE(seg, woff, (short) (value & 0xFFFF));
}
setShortAtOffset(seg, woff, order, (short) (value & 0xFFFF));
woff += Short.BYTES;
return this;
}
@Override
public Buf setUnsignedShort(int woff, int value) {
if (isBigEndian) {
setShortAtOffset_BE(seg, woff, (short) (value & 0xFFFF));
} else {
setShortAtOffset_LE(seg, woff, (short) (value & 0xFFFF));
}
setShortAtOffset(seg, woff, order, (short) (value & 0xFFFF));
return this;
}
@Override
public int readMedium() {
checkRead(roff, 3);
int value = isBigEndian?
getByteAtOffset_BE(seg, roff) << 16 |
(getByteAtOffset_BE(seg, roff + 1) & 0xFF) << 8 |
getByteAtOffset_BE(seg, roff + 2) & 0xFF :
getByteAtOffset_BE(seg, roff) & 0xFF |
(getByteAtOffset_BE(seg, roff + 1) & 0xFF) << 8 |
getByteAtOffset_BE(seg, roff + 2) << 16;
int value = order == ByteOrder.BIG_ENDIAN?
getByteAtOffset(seg, roff) << 16 |
(getByteAtOffset(seg, roff + 1) & 0xFF) << 8 |
getByteAtOffset(seg, roff + 2) & 0xFF :
getByteAtOffset(seg, roff) & 0xFF |
(getByteAtOffset(seg, roff + 1) & 0xFF) << 8 |
getByteAtOffset(seg, roff + 2) << 16;
roff += 3;
return value;
}
@ -525,25 +471,25 @@ class MemSegBuf extends RcSupport<Buf, MemSegBuf> implements Buf {
@Override
public int getMedium(int roff) {
checkRead(roff, 3);
return isBigEndian?
getByteAtOffset_BE(seg, roff) << 16 |
(getByteAtOffset_BE(seg, roff + 1) & 0xFF) << 8 |
getByteAtOffset_BE(seg, roff + 2) & 0xFF :
getByteAtOffset_BE(seg, roff) & 0xFF |
(getByteAtOffset_BE(seg, roff + 1) & 0xFF) << 8 |
getByteAtOffset_BE(seg, roff + 2) << 16;
return order == ByteOrder.BIG_ENDIAN?
getByteAtOffset(seg, roff) << 16 |
(getByteAtOffset(seg, roff + 1) & 0xFF) << 8 |
getByteAtOffset(seg, roff + 2) & 0xFF :
getByteAtOffset(seg, roff) & 0xFF |
(getByteAtOffset(seg, roff + 1) & 0xFF) << 8 |
getByteAtOffset(seg, roff + 2) << 16;
}
@Override
public int readUnsignedMedium() {
checkRead(roff, 3);
int value = isBigEndian?
(getByteAtOffset_BE(seg, roff) << 16 |
(getByteAtOffset_BE(seg, roff + 1) & 0xFF) << 8 |
getByteAtOffset_BE(seg, roff + 2) & 0xFF) & 0xFFFFFF :
(getByteAtOffset_BE(seg, roff) & 0xFF |
(getByteAtOffset_BE(seg, roff + 1) & 0xFF) << 8 |
getByteAtOffset_BE(seg, roff + 2) << 16) & 0xFFFFFF;
int value = order == ByteOrder.BIG_ENDIAN?
(getByteAtOffset(seg, roff) << 16 |
(getByteAtOffset(seg, roff + 1) & 0xFF) << 8 |
getByteAtOffset(seg, roff + 2) & 0xFF) & 0xFFFFFF :
(getByteAtOffset(seg, roff) & 0xFF |
(getByteAtOffset(seg, roff + 1) & 0xFF) << 8 |
getByteAtOffset(seg, roff + 2) << 16) & 0xFFFFFF;
roff += 3;
return value;
}
@ -551,26 +497,26 @@ class MemSegBuf extends RcSupport<Buf, MemSegBuf> implements Buf {
@Override
public int getUnsignedMedium(int roff) {
checkRead(roff, 3);
return isBigEndian?
(getByteAtOffset_BE(seg, roff) << 16 |
(getByteAtOffset_BE(seg, roff + 1) & 0xFF) << 8 |
getByteAtOffset_BE(seg, roff + 2) & 0xFF) & 0xFFFFFF :
(getByteAtOffset_BE(seg, roff) & 0xFF |
(getByteAtOffset_BE(seg, roff + 1) & 0xFF) << 8 |
getByteAtOffset_BE(seg, roff + 2) << 16) & 0xFFFFFF;
return order == ByteOrder.BIG_ENDIAN?
(getByteAtOffset(seg, roff) << 16 |
(getByteAtOffset(seg, roff + 1) & 0xFF) << 8 |
getByteAtOffset(seg, roff + 2) & 0xFF) & 0xFFFFFF :
(getByteAtOffset(seg, roff) & 0xFF |
(getByteAtOffset(seg, roff + 1) & 0xFF) << 8 |
getByteAtOffset(seg, roff + 2) << 16) & 0xFFFFFF;
}
@Override
public Buf writeMedium(int value) {
checkWrite(woff, 3);
if (isBigEndian) {
setByteAtOffset_BE(seg, woff, (byte) (value >> 16));
setByteAtOffset_BE(seg, woff + 1, (byte) (value >> 8 & 0xFF));
setByteAtOffset_BE(seg, woff + 2, (byte) (value & 0xFF));
if (order == ByteOrder.BIG_ENDIAN) {
setByteAtOffset(seg, woff, (byte) (value >> 16));
setByteAtOffset(seg, woff + 1, (byte) (value >> 8 & 0xFF));
setByteAtOffset(seg, woff + 2, (byte) (value & 0xFF));
} else {
setByteAtOffset_BE(seg, woff, (byte) (value & 0xFF));
setByteAtOffset_BE(seg, woff + 1, (byte) (value >> 8 & 0xFF));
setByteAtOffset_BE(seg, woff + 2, (byte) (value >> 16 & 0xFF));
setByteAtOffset(seg, woff, (byte) (value & 0xFF));
setByteAtOffset(seg, woff + 1, (byte) (value >> 8 & 0xFF));
setByteAtOffset(seg, woff + 2, (byte) (value >> 16 & 0xFF));
}
woff += 3;
return this;
@ -579,14 +525,14 @@ class MemSegBuf extends RcSupport<Buf, MemSegBuf> implements Buf {
@Override
public Buf setMedium(int woff, int value) {
checkWrite(woff, 3);
if (isBigEndian) {
setByteAtOffset_BE(seg, woff, (byte) (value >> 16));
setByteAtOffset_BE(seg, woff + 1, (byte) (value >> 8 & 0xFF));
setByteAtOffset_BE(seg, woff + 2, (byte) (value & 0xFF));
if (order == ByteOrder.BIG_ENDIAN) {
setByteAtOffset(seg, woff, (byte) (value >> 16));
setByteAtOffset(seg, woff + 1, (byte) (value >> 8 & 0xFF));
setByteAtOffset(seg, woff + 2, (byte) (value & 0xFF));
} else {
setByteAtOffset_BE(seg, woff, (byte) (value & 0xFF));
setByteAtOffset_BE(seg, woff + 1, (byte) (value >> 8 & 0xFF));
setByteAtOffset_BE(seg, woff + 2, (byte) (value >> 16 & 0xFF));
setByteAtOffset(seg, woff, (byte) (value & 0xFF));
setByteAtOffset(seg, woff + 1, (byte) (value >> 8 & 0xFF));
setByteAtOffset(seg, woff + 2, (byte) (value >> 16 & 0xFF));
}
return this;
}
@ -594,14 +540,14 @@ class MemSegBuf extends RcSupport<Buf, MemSegBuf> implements Buf {
@Override
public Buf writeUnsignedMedium(int value) {
checkWrite(woff, 3);
if (isBigEndian) {
setByteAtOffset_BE(seg, woff, (byte) (value >> 16));
setByteAtOffset_BE(seg, woff + 1, (byte) (value >> 8 & 0xFF));
setByteAtOffset_BE(seg, woff + 2, (byte) (value & 0xFF));
if (order == ByteOrder.BIG_ENDIAN) {
setByteAtOffset(seg, woff, (byte) (value >> 16));
setByteAtOffset(seg, woff + 1, (byte) (value >> 8 & 0xFF));
setByteAtOffset(seg, woff + 2, (byte) (value & 0xFF));
} else {
setByteAtOffset_BE(seg, woff, (byte) (value & 0xFF));
setByteAtOffset_BE(seg, woff + 1, (byte) (value >> 8 & 0xFF));
setByteAtOffset_BE(seg, woff + 2, (byte) (value >> 16 & 0xFF));
setByteAtOffset(seg, woff, (byte) (value & 0xFF));
setByteAtOffset(seg, woff + 1, (byte) (value >> 8 & 0xFF));
setByteAtOffset(seg, woff + 2, (byte) (value >> 16 & 0xFF));
}
woff += 3;
return this;
@ -610,14 +556,14 @@ class MemSegBuf extends RcSupport<Buf, MemSegBuf> implements Buf {
@Override
public Buf setUnsignedMedium(int woff, int value) {
checkWrite(woff, 3);
if (isBigEndian) {
setByteAtOffset_BE(seg, woff, (byte) (value >> 16));
setByteAtOffset_BE(seg, woff + 1, (byte) (value >> 8 & 0xFF));
setByteAtOffset_BE(seg, woff + 2, (byte) (value & 0xFF));
if (order == ByteOrder.BIG_ENDIAN) {
setByteAtOffset(seg, woff, (byte) (value >> 16));
setByteAtOffset(seg, woff + 1, (byte) (value >> 8 & 0xFF));
setByteAtOffset(seg, woff + 2, (byte) (value & 0xFF));
} else {
setByteAtOffset_BE(seg, woff, (byte) (value & 0xFF));
setByteAtOffset_BE(seg, woff + 1, (byte) (value >> 8 & 0xFF));
setByteAtOffset_BE(seg, woff + 2, (byte) (value >> 16 & 0xFF));
setByteAtOffset(seg, woff, (byte) (value & 0xFF));
setByteAtOffset(seg, woff + 1, (byte) (value >> 8 & 0xFF));
setByteAtOffset(seg, woff + 2, (byte) (value >> 16 & 0xFF));
}
return this;
}
@ -625,7 +571,7 @@ class MemSegBuf extends RcSupport<Buf, MemSegBuf> implements Buf {
@Override
public int readInt() {
checkRead(roff, Integer.BYTES);
int value = isBigEndian? getIntAtOffset_BE(seg, roff) : getIntAtOffset_LE(seg, roff);
int value = getIntAtOffset(seg, roff, order);
roff += Integer.BYTES;
return value;
}
@ -633,13 +579,13 @@ class MemSegBuf extends RcSupport<Buf, MemSegBuf> implements Buf {
@Override
public int getInt(int roff) {
checkRead(roff, Integer.BYTES);
return isBigEndian? getIntAtOffset_BE(seg, roff) : getIntAtOffset_LE(seg, roff);
return getIntAtOffset(seg, roff, order);
}
@Override
public long readUnsignedInt() {
checkRead(roff, Integer.BYTES);
long value = (isBigEndian? getIntAtOffset_BE(seg, roff) : getIntAtOffset_LE(seg, roff)) & 0xFFFFFFFFL;
long value = getIntAtOffset(seg, roff, order) & 0xFFFFFFFFL;
roff += Integer.BYTES;
return value;
}
@ -647,55 +593,39 @@ class MemSegBuf extends RcSupport<Buf, MemSegBuf> implements Buf {
@Override
public long getUnsignedInt(int roff) {
checkRead(roff, Integer.BYTES);
return (isBigEndian? getIntAtOffset_BE(seg, roff) : getIntAtOffset_LE(seg, roff)) & 0xFFFFFFFFL;
return getIntAtOffset(seg, roff, order) & 0xFFFFFFFFL;
}
@Override
public Buf writeInt(int value) {
if (isBigEndian) {
setIntAtOffset_BE(seg, woff, value);
} else {
setIntAtOffset_LE(seg, woff, value);
}
setIntAtOffset(seg, woff, order, value);
woff += Integer.BYTES;
return this;
}
@Override
public Buf setInt(int woff, int value) {
if (isBigEndian) {
setIntAtOffset_BE(seg, woff, value);
} else {
setIntAtOffset_LE(seg, woff, value);
}
setIntAtOffset(seg, woff, order, value);
return this;
}
@Override
public Buf writeUnsignedInt(long value) {
if (isBigEndian) {
setIntAtOffset_BE(seg, woff, (int) (value & 0xFFFFFFFFL));
} else {
setIntAtOffset_LE(seg, woff, (int) (value & 0xFFFFFFFFL));
}
setIntAtOffset(seg, woff, order, (int) (value & 0xFFFFFFFFL));
woff += Integer.BYTES;
return this;
}
@Override
public Buf setUnsignedInt(int woff, long value) {
if (isBigEndian) {
setIntAtOffset_BE(seg, woff, (int) (value & 0xFFFFFFFFL));
} else {
setIntAtOffset_LE(seg, woff, (int) (value & 0xFFFFFFFFL));
}
setIntAtOffset(seg, woff, order, (int) (value & 0xFFFFFFFFL));
return this;
}
@Override
public float readFloat() {
checkRead(roff, Float.BYTES);
float value = isBigEndian? getFloatAtOffset_BE(seg, roff) : getFloatAtOffset_LE(seg, roff);
float value = getFloatAtOffset(seg, roff, order);
roff += Float.BYTES;
return value;
}
@ -703,34 +633,26 @@ class MemSegBuf extends RcSupport<Buf, MemSegBuf> implements Buf {
@Override
public float getFloat(int roff) {
checkRead(roff, Float.BYTES);
return isBigEndian? getFloatAtOffset_BE(seg, roff) : getFloatAtOffset_LE(seg, roff);
return getFloatAtOffset(seg, roff, order);
}
@Override
public Buf writeFloat(float value) {
if (isBigEndian) {
setFloatAtOffset_BE(seg, woff, value);
} else {
setFloatAtOffset_LE(seg, woff, value);
}
setFloatAtOffset(seg, woff, order, value);
woff += Float.BYTES;
return this;
}
@Override
public Buf setFloat(int woff, float value) {
if (isBigEndian) {
setFloatAtOffset_BE(seg, woff, value);
} else {
setFloatAtOffset_LE(seg, woff, value);
}
setFloatAtOffset(seg, woff, order, value);
return this;
}
@Override
public long readLong() {
checkRead(roff, Long.BYTES);
long value = isBigEndian? getLongAtOffset_BE(seg, roff) : getLongAtOffset_LE(seg, roff);
long value = getLongAtOffset(seg, roff, order);
roff += Long.BYTES;
return value;
}
@ -738,34 +660,26 @@ class MemSegBuf extends RcSupport<Buf, MemSegBuf> implements Buf {
@Override
public long getLong(int roff) {
checkRead(roff, Long.BYTES);
return isBigEndian? getLongAtOffset_BE(seg, roff) : getLongAtOffset_LE(seg, roff);
return getLongAtOffset(seg, roff, order);
}
@Override
public Buf writeLong(long value) {
if (isBigEndian) {
setLongAtOffset_BE(seg, woff, value);
} else {
setLongAtOffset_LE(seg, woff, value);
}
setLongAtOffset(seg, woff, order, value);
woff += Long.BYTES;
return this;
}
@Override
public Buf setLong(int woff, long value) {
if (isBigEndian) {
setLongAtOffset_BE(seg, woff, value);
} else {
setLongAtOffset_LE(seg, woff, value);
}
setLongAtOffset(seg, woff, order, value);
return this;
}
@Override
public double readDouble() {
checkRead(roff, Double.BYTES);
double value = isBigEndian? getDoubleAtOffset_BE(seg, roff) : getDoubleAtOffset_LE(seg, roff);
double value = getDoubleAtOffset(seg, roff, order);
roff += Double.BYTES;
return value;
}
@ -773,27 +687,19 @@ class MemSegBuf extends RcSupport<Buf, MemSegBuf> implements Buf {
@Override
public double getDouble(int roff) {
checkRead(roff, Double.BYTES);
return isBigEndian? getDoubleAtOffset_BE(seg, roff) : getDoubleAtOffset_LE(seg, roff);
return getDoubleAtOffset(seg, roff, order);
}
@Override
public Buf writeDouble(double value) {
if (isBigEndian) {
setDoubleAtOffset_BE(seg, woff, value);
} else {
setDoubleAtOffset_LE(seg, woff, value);
}
setDoubleAtOffset(seg, woff, order, value);
woff += Double.BYTES;
return this;
}
@Override
public Buf setDouble(int woff, double value) {
if (isBigEndian) {
setDoubleAtOffset_BE(seg, woff, value);
} else {
setDoubleAtOffset_LE(seg, woff, value);
}
setDoubleAtOffset(seg, woff, order, value);
return this;
}
// </editor-fold>
@ -808,7 +714,7 @@ class MemSegBuf extends RcSupport<Buf, MemSegBuf> implements Buf {
public MemSegBuf transferOwnership(Drop<MemSegBuf> drop) {
var newSegment = isConfined? transferSegment.handoff(Thread.currentThread()) : transferSegment;
MemSegBuf copy = new MemSegBuf(newSegment, drop, alloc);
copy.isBigEndian = outer.isBigEndian;
copy.order = outer.order;
copy.roff = outer.roff;
copy.woff = outer.woff;
return copy;

47
src/test/java/io/netty/buffer/api/examples/AsyncExample.java Normal file
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@ -0,0 +1,47 @@
/*
* Copyright 2020 The Netty Project
*
* The Netty Project licenses this file to you under the Apache License,
* version 2.0 (the "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at:
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*/
package io.netty.buffer.api.examples;
import io.netty.buffer.api.Allocator;
import io.netty.buffer.api.Buf;
import static java.util.concurrent.CompletableFuture.completedFuture;
public final class AsyncExample {
public static void main(String[] args) throws Exception {
try (Allocator allocator = Allocator.pooledDirectWithCleaner();
Buf startBuf = allocator.allocate(16)) {
startBuf.writeLong(threadId());
completedFuture(startBuf.send()).thenApplyAsync(send -> {
try (Buf buf = send.receive()) {
buf.writeLong(threadId());
return buf.send();
}
}).thenAcceptAsync(send -> {
try (Buf buf = send.receive()) {
System.out.println("First thread id was " + buf.readLong());
System.out.println("Then sent to " + buf.readLong());
System.out.println("And now in thread " + threadId());
}
}).get();
}
}
private static long threadId() {
return Thread.currentThread().getId();
}
}

54
src/test/java/io/netty/buffer/api/examples/ComposingAndSlicingExample.java Normal file
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@ -0,0 +1,54 @@
/*
* Copyright 2020 The Netty Project
*
* The Netty Project licenses this file to you under the Apache License,
* version 2.0 (the "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at:
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*/
package io.netty.buffer.api.examples;
import io.netty.buffer.api.Allocator;
import io.netty.buffer.api.Buf;
import io.netty.buffer.api.Scope;
import java.util.concurrent.ThreadLocalRandom;
public final class ComposingAndSlicingExample {
public static void main(String[] args) {
try (Allocator allocator = Allocator.pooledDirect();
Buf buf = createBigBuffer(allocator)) {
ThreadLocalRandom tlr = ThreadLocalRandom.current();
for (int i = 0; i < tlr.nextInt(4, 200); i++) {
buf.writeByte((byte) tlr.nextInt());
}
try (Buf slice = buf.slice()) {
slice.send();
System.out.println("buf.capacity() = " + buf.capacity());
System.out.println("buf.readableBytes() = " + buf.readableBytes());
System.out.println("---");
System.out.println("slice.capacity() = " + slice.capacity());
System.out.println("slice.readableBytes() = " + slice.readableBytes());
}
}
}
private static Buf createBigBuffer(Allocator allocator) {
try (Scope scope = new Scope()) {
return allocator.compose(
scope.add(allocator.allocate(64)),
scope.add(allocator.allocate(64)),
scope.add(allocator.allocate(64)),
scope.add(allocator.allocate(64)));
}
}
}

92
src/test/java/io/netty/buffer/api/examples/FileCopyExample.java Normal file
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@ -0,0 +1,92 @@
/*
* Copyright 2020 The Netty Project
*
* The Netty Project licenses this file to you under the Apache License,
* version 2.0 (the "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at:
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*/
package io.netty.buffer.api.examples;
import io.netty.buffer.api.Allocator;
import io.netty.buffer.api.Buf;
import io.netty.buffer.api.Send;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
import java.nio.file.Path;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import static java.nio.file.StandardOpenOption.CREATE;
import static java.nio.file.StandardOpenOption.READ;
import static java.nio.file.StandardOpenOption.TRUNCATE_EXISTING;
import static java.nio.file.StandardOpenOption.WRITE;
public final class FileCopyExample {
public static void main(String[] args) throws Exception {
ExecutorService executor = Executors.newFixedThreadPool(2);
ArrayBlockingQueue<Object> queue = new ArrayBlockingQueue<>(8);
Object done = new Object();
try (Allocator allocator = Allocator.pooledDirect();
var input = FileChannel.open(Path.of("/dev/urandom"), READ);
var output = FileChannel.open(Path.of("random.bin"), CREATE, TRUNCATE_EXISTING, WRITE)) {
var reader = executor.submit(() -> {
var buf = ByteBuffer.allocateDirect(1024);
for (int i = 0; i < 1024; i++) {
buf.clear();
while (buf.hasRemaining()) {
int r = input.read(buf);
System.out.println("r = " + r);
System.out.println("buf = " + buf);
}
buf.flip();
try (Buf in = allocator.allocate(1024)) {
System.out.println("in = " + in);
while (buf.hasRemaining()) {
in.writeByte(buf.get());
}
System.out.println("Sending " + in.readableBytes() + " bytes.");
queue.put(in.send());
}
}
queue.put(done);
return null;
});
var writer = executor.submit(() -> {
var buf = ByteBuffer.allocateDirect(1024);
Object msg;
while ((msg = queue.take()) != done) {
buf.clear();
@SuppressWarnings("unchecked")
Send<Buf> send = (Send<Buf>) msg;
try (Buf out = send.receive()) {
System.out.println("Received " + out.readableBytes() + " bytes.");
out.copyInto(0, buf, 0, out.readableBytes());
buf.position(0).limit(out.readableBytes());
}
while (buf.hasRemaining()) {
output.write(buf);
}
}
output.force(true);
return null;
});
reader.get();
writer.get();
} finally {
executor.shutdown();
}
}
}