Merge pull request #35 from netty/more-examples

Port over more Netty examples
This commit is contained in:
Chris Vest 2021-03-10 17:18:49 +01:00 committed by GitHub
commit 374b0524d8
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23 changed files with 3534 additions and 278 deletions

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@ -2,7 +2,7 @@
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
java-latest-openjdk-devel automake libtool
# Build panama-foreign openjdk
WORKDIR /home/build
@ -24,7 +24,7 @@ ENV PATH=/home/build/apache-maven-3.6.3/bin:$PATH
# Prepare a snapshot of Netty 5
RUN git clone -b master https://github.com/netty/netty.git netty
WORKDIR /home/build/netty
RUN mvn install -DskipTests -T1C -B -am -pl buffer,handler
RUN mvn install -DskipTests -T1C -B -am
WORKDIR /home/build
# Prepare our own build

13
pom.xml
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@ -394,12 +394,25 @@
<version>${netty.build.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>io.netty</groupId>
<artifactId>netty-buffer</artifactId>
<version>${netty.version}</version>
<type>test-jar</type>
<scope>test</scope>
</dependency>
<dependency>
<groupId>io.netty</groupId>
<artifactId>netty-handler</artifactId>
<version>${netty.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>io.netty</groupId>
<artifactId>netty-codec-http</artifactId>
<version>${netty.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.openjdk.jmh</groupId>
<artifactId>jmh-core</artifactId>

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@ -877,7 +877,7 @@ final class CompositeBuffer extends RcSupport<Buffer, CompositeBuffer> implement
@Override
public byte getByte(int roff) {
return prepRead(roff, Byte.BYTES).getByte(subOffset);
return prepGet(roff, Byte.BYTES).getByte(subOffset);
}
@Override
@ -887,7 +887,7 @@ final class CompositeBuffer extends RcSupport<Buffer, CompositeBuffer> implement
@Override
public int getUnsignedByte(int roff) {
return prepRead(roff, Byte.BYTES).getUnsignedByte(subOffset);
return prepGet(roff, Byte.BYTES).getUnsignedByte(subOffset);
}
@Override
@ -921,7 +921,7 @@ final class CompositeBuffer extends RcSupport<Buffer, CompositeBuffer> implement
@Override
public char getChar(int roff) {
return prepRead(roff, 2).getChar(subOffset);
return prepGet(roff, 2).getChar(subOffset);
}
@Override
@ -943,7 +943,7 @@ final class CompositeBuffer extends RcSupport<Buffer, CompositeBuffer> implement
@Override
public short getShort(int roff) {
return prepRead(roff, Short.BYTES).getShort(subOffset);
return prepGet(roff, Short.BYTES).getShort(subOffset);
}
@Override
@ -953,7 +953,7 @@ final class CompositeBuffer extends RcSupport<Buffer, CompositeBuffer> implement
@Override
public int getUnsignedShort(int roff) {
return prepRead(roff, Short.BYTES).getUnsignedShort(subOffset);
return prepGet(roff, Short.BYTES).getUnsignedShort(subOffset);
}
@Override
@ -987,7 +987,7 @@ final class CompositeBuffer extends RcSupport<Buffer, CompositeBuffer> implement
@Override
public int getMedium(int roff) {
return prepRead(roff, 3).getMedium(subOffset);
return prepGet(roff, 3).getMedium(subOffset);
}
@Override
@ -997,7 +997,7 @@ final class CompositeBuffer extends RcSupport<Buffer, CompositeBuffer> implement
@Override
public int getUnsignedMedium(int roff) {
return prepRead(roff, 3).getMedium(subOffset);
return prepGet(roff, 3).getMedium(subOffset);
}
@Override
@ -1031,7 +1031,7 @@ final class CompositeBuffer extends RcSupport<Buffer, CompositeBuffer> implement
@Override
public int getInt(int roff) {
return prepRead(roff, Integer.BYTES).getInt(subOffset);
return prepGet(roff, Integer.BYTES).getInt(subOffset);
}
@Override
@ -1041,7 +1041,7 @@ final class CompositeBuffer extends RcSupport<Buffer, CompositeBuffer> implement
@Override
public long getUnsignedInt(int roff) {
return prepRead(roff, Integer.BYTES).getUnsignedInt(subOffset);
return prepGet(roff, Integer.BYTES).getUnsignedInt(subOffset);
}
@Override
@ -1075,7 +1075,7 @@ final class CompositeBuffer extends RcSupport<Buffer, CompositeBuffer> implement
@Override
public float getFloat(int roff) {
return prepRead(roff, Float.BYTES).getFloat(subOffset);
return prepGet(roff, Float.BYTES).getFloat(subOffset);
}
@Override
@ -1097,7 +1097,7 @@ final class CompositeBuffer extends RcSupport<Buffer, CompositeBuffer> implement
@Override
public long getLong(int roff) {
return prepRead(roff, Long.BYTES).getLong(subOffset);
return prepGet(roff, Long.BYTES).getLong(subOffset);
}
@Override
@ -1119,7 +1119,7 @@ final class CompositeBuffer extends RcSupport<Buffer, CompositeBuffer> implement
@Override
public double getDouble(int roff) {
return prepRead(roff, Double.BYTES).getDouble(subOffset);
return prepGet(roff, Double.BYTES).getDouble(subOffset);
}
@Override
@ -1242,6 +1242,17 @@ final class CompositeBuffer extends RcSupport<Buffer, CompositeBuffer> implement
}
}
private BufferAccessors prepGet(int index, int size) {
checkGetBounds(index, size);
return chooseBuffer(index, size);
}
private void checkGetBounds(int index, int size) {
if (index < 0 || capacity < index + size) {
throw indexOutOfBounds(index, false);
}
}
private BufferAccessors prepWrite(int size) {
var buf = prepWrite(woff, size);
woff += size;
@ -1268,7 +1279,7 @@ final class CompositeBuffer extends RcSupport<Buffer, CompositeBuffer> implement
}
return new IndexOutOfBoundsException(
"Index " + index + " is out of bounds: [read 0 to " + woff + ", write 0 to " +
(capacity - 1) + "].");
capacity + "].");
}
private static IllegalStateException bufferIsClosed() {

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@ -83,10 +83,12 @@ abstract class LifecycleTracer {
}
void addTrace(Trace trace) {
if (traces.size() == MAX_TRACE_POINTS) {
traces.pollFirst();
synchronized (traces) {
if (traces.size() == MAX_TRACE_POINTS) {
traces.pollFirst();
}
traces.addLast(trace);
}
traces.addLast(trace);
}
@Override
@ -118,9 +120,11 @@ abstract class LifecycleTracer {
@Override
<E extends Throwable> E attachTrace(E throwable) {
long timestamp = System.nanoTime();
for (Trace trace : traces) {
trace.attach(throwable, timestamp);
synchronized (traces) {
long timestamp = System.nanoTime();
for (Trace trace : traces) {
trace.attach(throwable, timestamp);
}
}
return throwable;
}

File diff suppressed because it is too large Load Diff

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@ -20,6 +20,8 @@ import io.netty.buffer.ByteBufAllocator;
import io.netty.buffer.CompositeByteBuf;
import io.netty.buffer.api.BufferAllocator;
import static java.nio.ByteOrder.BIG_ENDIAN;
public class ByteBufAllocatorAdaptor implements ByteBufAllocator, AutoCloseable {
private final BufferAllocator onheap;
private final BufferAllocator offheap;
@ -53,7 +55,7 @@ public class ByteBufAllocatorAdaptor implements ByteBufAllocator, AutoCloseable
@Override
public ByteBuf buffer(int initialCapacity) {
return new ByteBufAdaptor(this, onheap.allocate(initialCapacity));
return new ByteBufAdaptor(this, onheap.allocate(initialCapacity).order(BIG_ENDIAN));
}
@Override
@ -98,9 +100,7 @@ public class ByteBufAllocatorAdaptor implements ByteBufAllocator, AutoCloseable
@Override
public ByteBuf directBuffer(int initialCapacity) {
// TODO we cannot use off-heap buffers here, until the JDK allows direct byte buffers based on native
// memory segments to be used in IO operations.
return new ByteBufAdaptor(this, onheap.allocate(initialCapacity));
return new ByteBufAdaptor(this, offheap.allocate(initialCapacity).order(BIG_ENDIAN));
}
@Override

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@ -133,7 +133,7 @@ class MemSegBuffer extends RcSupport<Buffer, MemSegBuffer> implements Buffer, Re
@Override
public Buffer fill(byte value) {
checkWrite(0, capacity());
checkSet(0, capacity());
seg.fill(value);
return this;
}
@ -281,7 +281,7 @@ class MemSegBuffer extends RcSupport<Buffer, MemSegBuffer> implements Buffer, Re
public void copyInto(int srcPos, Buffer dest, int destPos, int length) {
if (dest instanceof MemSegBuffer) {
var memSegBuf = (MemSegBuffer) dest;
memSegBuf.checkWrite(destPos, length);
memSegBuf.checkSet(destPos, length);
copyInto(srcPos, memSegBuf.seg, destPos, length);
return;
}
@ -589,7 +589,7 @@ class MemSegBuffer extends RcSupport<Buffer, MemSegBuffer> implements Buffer, Re
@Override
public byte getByte(int roff) {
checkRead(roff, Byte.BYTES);
checkGet(roff, Byte.BYTES);
return getByteAtOffset(seg, roff);
}
@ -603,7 +603,7 @@ class MemSegBuffer extends RcSupport<Buffer, MemSegBuffer> implements Buffer, Re
@Override
public int getUnsignedByte(int roff) {
checkRead(roff, Byte.BYTES);
checkGet(roff, Byte.BYTES);
return getByteAtOffset(seg, roff) & 0xFF;
}
@ -659,7 +659,7 @@ class MemSegBuffer extends RcSupport<Buffer, MemSegBuffer> implements Buffer, Re
@Override
public char getChar(int roff) {
checkRead(roff, 2);
checkGet(roff, 2);
return getCharAtOffset(seg, roff, order);
}
@ -694,7 +694,7 @@ class MemSegBuffer extends RcSupport<Buffer, MemSegBuffer> implements Buffer, Re
@Override
public short getShort(int roff) {
checkRead(roff, Short.BYTES);
checkGet(roff, Short.BYTES);
return getShortAtOffset(seg, roff, order);
}
@ -708,7 +708,7 @@ class MemSegBuffer extends RcSupport<Buffer, MemSegBuffer> implements Buffer, Re
@Override
public int getUnsignedShort(int roff) {
checkRead(roff, Short.BYTES);
checkGet(roff, Short.BYTES);
return getShortAtOffset(seg, roff, order) & 0xFFFF;
}
@ -770,7 +770,7 @@ class MemSegBuffer extends RcSupport<Buffer, MemSegBuffer> implements Buffer, Re
@Override
public int getMedium(int roff) {
checkRead(roff, 3);
checkGet(roff, 3);
return order == ByteOrder.BIG_ENDIAN?
getByteAtOffset(seg, roff) << 16 |
(getByteAtOffset(seg, roff + 1) & 0xFF) << 8 |
@ -796,7 +796,7 @@ class MemSegBuffer extends RcSupport<Buffer, MemSegBuffer> implements Buffer, Re
@Override
public int getUnsignedMedium(int roff) {
checkRead(roff, 3);
checkGet(roff, 3);
return order == ByteOrder.BIG_ENDIAN?
(getByteAtOffset(seg, roff) << 16 |
(getByteAtOffset(seg, roff + 1) & 0xFF) << 8 |
@ -824,7 +824,7 @@ class MemSegBuffer extends RcSupport<Buffer, MemSegBuffer> implements Buffer, Re
@Override
public Buffer setMedium(int woff, int value) {
checkWrite(woff, 3);
checkSet(woff, 3);
if (order == ByteOrder.BIG_ENDIAN) {
setByteAtOffset(wseg, woff, (byte) (value >> 16));
setByteAtOffset(wseg, woff + 1, (byte) (value >> 8 & 0xFF));
@ -855,7 +855,7 @@ class MemSegBuffer extends RcSupport<Buffer, MemSegBuffer> implements Buffer, Re
@Override
public Buffer setUnsignedMedium(int woff, int value) {
checkWrite(woff, 3);
checkSet(woff, 3);
if (order == ByteOrder.BIG_ENDIAN) {
setByteAtOffset(wseg, woff, (byte) (value >> 16));
setByteAtOffset(wseg, woff + 1, (byte) (value >> 8 & 0xFF));
@ -878,7 +878,7 @@ class MemSegBuffer extends RcSupport<Buffer, MemSegBuffer> implements Buffer, Re
@Override
public int getInt(int roff) {
checkRead(roff, Integer.BYTES);
checkGet(roff, Integer.BYTES);
return getIntAtOffset(seg, roff, order);
}
@ -892,7 +892,7 @@ class MemSegBuffer extends RcSupport<Buffer, MemSegBuffer> implements Buffer, Re
@Override
public long getUnsignedInt(int roff) {
checkRead(roff, Integer.BYTES);
checkGet(roff, Integer.BYTES);
return getIntAtOffset(seg, roff, order) & 0xFFFFFFFFL;
}
@ -948,7 +948,7 @@ class MemSegBuffer extends RcSupport<Buffer, MemSegBuffer> implements Buffer, Re
@Override
public float getFloat(int roff) {
checkRead(roff, Float.BYTES);
checkGet(roff, Float.BYTES);
return getFloatAtOffset(seg, roff, order);
}
@ -983,7 +983,7 @@ class MemSegBuffer extends RcSupport<Buffer, MemSegBuffer> implements Buffer, Re
@Override
public long getLong(int roff) {
checkRead(roff, Long.BYTES);
checkGet(roff, Long.BYTES);
return getLongAtOffset(seg, roff, order);
}
@ -1018,7 +1018,7 @@ class MemSegBuffer extends RcSupport<Buffer, MemSegBuffer> implements Buffer, Re
@Override
public double getDouble(int roff) {
checkRead(roff, Double.BYTES);
checkGet(roff, Double.BYTES);
return getDoubleAtOffset(seg, roff, order);
}
@ -1093,7 +1093,19 @@ class MemSegBuffer extends RcSupport<Buffer, MemSegBuffer> implements Buffer, Re
}
}
private void checkGet(int index, int size) {
if (index < 0 || seg.byteSize() < index + size) {
throw readAccessCheckException(index);
}
}
private void checkWrite(int index, int size) {
if (index < roff || wseg.byteSize() < index + size) {
throw writeAccessCheckException(index);
}
}
private void checkSet(int index, int size) {
if (index < 0 || wseg.byteSize() < index + size) {
throw writeAccessCheckException(index);
}
@ -1137,7 +1149,7 @@ class MemSegBuffer extends RcSupport<Buffer, MemSegBuffer> implements Buffer, Re
private IndexOutOfBoundsException outOfBounds(int index) {
return new IndexOutOfBoundsException(
"Index " + index + " is out of bounds: [read 0 to " + woff + ", write 0 to " +
(seg.byteSize() - 1) + "].");
seg.byteSize() + "].");
}
Object recoverableMemory() {

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@ -0,0 +1,36 @@
/*
* Copyright 2021 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;
import java.util.function.Supplier;
final class Memoize<T> implements Supplier<T> {
private final Supplier<T> supplier;
private volatile T memo;
Memoize(Supplier<T> supplier) {
this.supplier = supplier;
}
@Override
public T get() {
T val = memo;
if (val == null) {
memo = val = supplier.get();
}
return val;
}
}

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@ -0,0 +1,263 @@
/*
* Copyright 2021 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.adaptor;
import io.netty.buffer.AbstractByteBufTest;
import io.netty.buffer.ByteBuf;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Ignore;
public class ByteBufAdaptorTest extends AbstractByteBufTest {
static ByteBufAllocatorAdaptor alloc;
@BeforeClass
public static void setUpAllocator() {
alloc = new ByteBufAllocatorAdaptor();
}
@AfterClass
public static void tearDownAllocator() throws Exception {
alloc.close();
}
@Override
protected ByteBuf newBuffer(int capacity, int maxCapacity) {
return alloc.buffer(capacity, capacity);
}
@Ignore("New buffers not thread-safe like this.")
@Override
public void testSliceReadGatheringByteChannelMultipleThreads() throws Exception {
}
@Ignore("New buffers not thread-safe like this.")
@Override
public void testDuplicateReadGatheringByteChannelMultipleThreads() throws Exception {
}
@Ignore("New buffers not thread-safe like this.")
@Override
public void testSliceReadOutputStreamMultipleThreads() throws Exception {
}
@Ignore("New buffers not thread-safe like this.")
@Override
public void testDuplicateReadOutputStreamMultipleThreads() throws Exception {
}
@Ignore("New buffers not thread-safe like this.")
@Override
public void testSliceBytesInArrayMultipleThreads() throws Exception {
}
@Ignore("New buffers not thread-safe like this.")
@Override
public void testDuplicateBytesInArrayMultipleThreads() throws Exception {
}
@Ignore("This test codifies that asking to reading 0 bytes from an empty but unclosed stream should return -1, " +
"which is just weird.")
@Override
public void testStreamTransfer1() throws Exception {
}
@Ignore("Relies on capacity and max capacity being separate things.")
@Override
public void testCapacityIncrease() {
}
@Ignore("Decreasing capacity not supported in new API.")
@Override
public void testCapacityDecrease() {
}
@Ignore("Decreasing capacity not supported in new API.")
@Override
public void testCapacityNegative() {
throw new IllegalArgumentException(); // Can't ignore tests annotated with throws expectation?
}
@Ignore("Decreasing capacity not supported in new API.")
@Override
public void testCapacityEnforceMaxCapacity() {
throw new IllegalArgumentException(); // Can't ignore tests annotated with throws expectation?
}
@Ignore("Decreasing capacity not supported in new API.")
@Override
public void testMaxFastWritableBytes() {
}
@Ignore("Impossible to expose entire memory as a ByteBuffer using new API.")
@Override
public void testNioBufferExposeOnlyRegion() {
}
@Ignore("Impossible to expose entire memory as a ByteBuffer using new API.")
@Override
public void testToByteBuffer2() {
}
@Ignore("This assumes a single reference count for the memory, but all buffers (views of memory) have " +
"independent reference counts now. Also, this plays tricks with reference that we cannot support.")
@Override
public void testRetainedDuplicateUnreleasable3() {
}
@Ignore("This assumes a single reference count for the memory, but all buffers (views of memory) have " +
"independent reference counts now. Also, this plays tricks with reference that we cannot support.")
@Override
public void testRetainedDuplicateUnreleasable4() {
}
@Ignore("This assumes a single reference count for the memory, but all buffers (views of memory) have " +
"independent reference counts now. Also, this plays tricks with reference that we cannot support.")
@Override
public void testRetainedDuplicateAndRetainedSliceContentIsExpected() {
}
@Ignore("This assumes a single reference count for the memory, but all buffers (views of memory) have " +
"independent reference counts now. Also, this plays tricks with reference that we cannot support.")
@Override
public void testMultipleRetainedSliceReleaseOriginal2() {
}
@Ignore("This assumes a single reference count for the memory, but all buffers (views of memory) have " +
"independent reference counts now. Also, this plays tricks with reference that we cannot support.")
@Override
public void testMultipleRetainedSliceReleaseOriginal3() {
}
@Ignore("This assumes a single reference count for the memory, but all buffers (views of memory) have " +
"independent reference counts now. Also, this plays tricks with reference that we cannot support.")
@Override
public void testMultipleRetainedSliceReleaseOriginal4() {
}
@Ignore("This assumes a single reference count for the memory, but all buffers (views of memory) have " +
"independent reference counts now. Also, this plays tricks with reference that we cannot support.")
@Override
public void testReadRetainedSliceUnreleasable3() {
}
@Ignore("This assumes a single reference count for the memory, but all buffers (views of memory) have " +
"independent reference counts now. Also, this plays tricks with reference that we cannot support.")
@Override
public void testReadRetainedSliceUnreleasable4() {
}
@Ignore("This assumes a single reference count for the memory, but all buffers (views of memory) have " +
"independent reference counts now. Also, this plays tricks with reference that we cannot support.")
@Override
public void testRetainedSliceUnreleasable3() {
}
@Ignore("This assumes a single reference count for the memory, but all buffers (views of memory) have " +
"independent reference counts now. Also, this plays tricks with reference that we cannot support.")
@Override
public void testRetainedSliceUnreleasable4() {
}
@Ignore("This assumes a single reference count for the memory, but all buffers (views of memory) have " +
"independent reference counts now. Also, this plays tricks with reference that we cannot support.")
@Override
public void testRetainedSliceReleaseOriginal2() {
}
@Ignore("This assumes a single reference count for the memory, but all buffers (views of memory) have " +
"independent reference counts now. Also, this plays tricks with reference that we cannot support.")
@Override
public void testRetainedSliceReleaseOriginal3() {
}
@Ignore("This assumes a single reference count for the memory, but all buffers (views of memory) have " +
"independent reference counts now. Also, this plays tricks with reference that we cannot support.")
@Override
public void testRetainedSliceReleaseOriginal4() {
}
@Ignore("This assumes a single reference count for the memory, but all buffers (views of memory) have " +
"independent reference counts now. Also, this plays tricks with reference that we cannot support.")
@Override
public void testMultipleRetainedDuplicateReleaseOriginal2() {
}
@Ignore("This assumes a single reference count for the memory, but all buffers (views of memory) have " +
"independent reference counts now. Also, this plays tricks with reference that we cannot support.")
@Override
public void testMultipleRetainedDuplicateReleaseOriginal3() {
}
@Ignore("This assumes a single reference count for the memory, but all buffers (views of memory) have " +
"independent reference counts now. Also, this plays tricks with reference that we cannot support.")
@Override
public void testMultipleRetainedDuplicateReleaseOriginal4() {
}
@Ignore("This assumes a single reference count for the memory, but all buffers (views of memory) have " +
"independent reference counts now. Also, this plays tricks with reference that we cannot support.")
@Override
public void testRetainedDuplicateReleaseOriginal2() {
}
@Ignore("This assumes a single reference count for the memory, but all buffers (views of memory) have " +
"independent reference counts now. Also, this plays tricks with reference that we cannot support.")
@Override
public void testRetainedDuplicateReleaseOriginal3() {
}
@Ignore("This assumes a single reference count for the memory, but all buffers (views of memory) have " +
"independent reference counts now. Also, this plays tricks with reference that we cannot support.")
@Override
public void testRetainedDuplicateReleaseOriginal4() {
}
@Ignore("No longer allowed to allocate 0 sized buffers, except for composite buffers with no components.")
@Override
public void testLittleEndianWithExpand() {
}
@Ignore("Test seems to inherently have double-free bug?")
@Override
public void testRetainedSliceAfterReleaseRetainedSliceDuplicate() {
}
@Ignore("Test seems to inherently have double-free bug?")
@Override
public void testRetainedSliceAfterReleaseRetainedDuplicateSlice() {
}
@Ignore("Test seems to inherently have double-free bug?")
@Override
public void testSliceAfterReleaseRetainedSliceDuplicate() {
}
@Ignore("Test seems to inherently have double-free bug?")
@Override
public void testDuplicateAfterReleaseRetainedSliceDuplicate() {
}
@Ignore("Test seems to inherently have double-free bug?")
@Override
public void testDuplicateAfterReleaseRetainedDuplicateSlice() {
}
@Ignore("Test seems to inherently have double-free bug?")
@Override
public void testSliceAfterReleaseRetainedDuplicateSlice() {
}
}

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@ -0,0 +1,114 @@
/*
* Copyright 2021 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.http.snoop;
import io.netty.bootstrap.Bootstrap;
import io.netty.buffer.Unpooled;
import io.netty.buffer.api.adaptor.ByteBufAllocatorAdaptor;
import io.netty.channel.Channel;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.MultithreadEventLoopGroup;
import io.netty.channel.nio.NioHandler;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.codec.http.DefaultFullHttpRequest;
import io.netty.handler.codec.http.HttpHeaderNames;
import io.netty.handler.codec.http.HttpHeaderValues;
import io.netty.handler.codec.http.HttpMethod;
import io.netty.handler.codec.http.HttpRequest;
import io.netty.handler.codec.http.HttpVersion;
import io.netty.handler.codec.http.cookie.ClientCookieEncoder;
import io.netty.handler.codec.http.cookie.DefaultCookie;
import io.netty.handler.ssl.SslContext;
import io.netty.handler.ssl.SslContextBuilder;
import io.netty.handler.ssl.util.InsecureTrustManagerFactory;
import java.net.URI;
/**
* A simple HTTP client that prints out the content of the HTTP response to
* {@link System#out} to test {@link HttpSnoopServer}.
*/
public final class HttpSnoopClient {
static final String URL = System.getProperty("url", "http://127.0.0.1:8080/");
public static void main(String[] args) throws Exception {
URI uri = new URI(URL);
String scheme = uri.getScheme() == null? "http" : uri.getScheme();
String host = uri.getHost() == null? "127.0.0.1" : uri.getHost();
int port = uri.getPort();
if (port == -1) {
if ("http".equalsIgnoreCase(scheme)) {
port = 80;
} else if ("https".equalsIgnoreCase(scheme)) {
port = 443;
}
}
if (!"http".equalsIgnoreCase(scheme) && !"https".equalsIgnoreCase(scheme)) {
System.err.println("Only HTTP(S) is supported.");
return;
}
// Configure SSL context if necessary.
final boolean ssl = "https".equalsIgnoreCase(scheme);
final SslContext sslCtx;
if (ssl) {
sslCtx = SslContextBuilder.forClient()
.trustManager(InsecureTrustManagerFactory.INSTANCE).build();
} else {
sslCtx = null;
}
// Configure the client.
ByteBufAllocatorAdaptor allocator = new ByteBufAllocatorAdaptor();
EventLoopGroup group = new MultithreadEventLoopGroup(NioHandler.newFactory());
try {
Bootstrap b = new Bootstrap();
b.group(group)
.option(ChannelOption.ALLOCATOR, allocator)
.channel(NioSocketChannel.class)
.handler(new HttpSnoopClientInitializer(sslCtx, allocator));
// Make the connection attempt.
Channel ch = b.connect(host, port).sync().channel();
// Prepare the HTTP request.
HttpRequest request = new DefaultFullHttpRequest(
HttpVersion.HTTP_1_1, HttpMethod.GET, uri.getRawPath(), Unpooled.EMPTY_BUFFER);
request.headers().set(HttpHeaderNames.HOST, host);
request.headers().set(HttpHeaderNames.CONNECTION, HttpHeaderValues.CLOSE);
request.headers().set(HttpHeaderNames.ACCEPT_ENCODING, HttpHeaderValues.GZIP);
// Set some example cookies.
request.headers().set(
HttpHeaderNames.COOKIE,
ClientCookieEncoder.STRICT.encode(
new DefaultCookie("my-cookie", "foo"),
new DefaultCookie("another-cookie", "bar")));
// Send the HTTP request.
ch.writeAndFlush(request);
// Wait for the server to close the connection.
ch.closeFuture().sync();
} finally {
// Shut down executor threads to exit.
group.shutdownGracefully();
}
}
}

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/*
* Copyright 2021 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.http.snoop;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.handler.codec.http.HttpContent;
import io.netty.handler.codec.http.HttpObject;
import io.netty.handler.codec.http.HttpResponse;
import io.netty.handler.codec.http.HttpUtil;
import io.netty.handler.codec.http.LastHttpContent;
import io.netty.util.CharsetUtil;
public class HttpSnoopClientHandler extends SimpleChannelInboundHandler<HttpObject> {
@Override
public void messageReceived(ChannelHandlerContext ctx, HttpObject msg) {
if (msg instanceof HttpResponse) {
HttpResponse response = (HttpResponse) msg;
System.err.println("STATUS: " + response.status());
System.err.println("VERSION: " + response.protocolVersion());
System.err.println();
if (!response.headers().isEmpty()) {
for (CharSequence name: response.headers().names()) {
for (CharSequence value: response.headers().getAll(name)) {
System.err.println("HEADER: " + name + " = " + value);
}
}
System.err.println();
}
if (HttpUtil.isTransferEncodingChunked(response)) {
System.err.println("CHUNKED CONTENT {");
} else {
System.err.println("CONTENT {");
}
}
if (msg instanceof HttpContent) {
HttpContent content = (HttpContent) msg;
System.err.print(content.content().toString(CharsetUtil.UTF_8));
System.err.flush();
if (content instanceof LastHttpContent) {
System.err.println("} END OF CONTENT");
ctx.close();
}
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
cause.printStackTrace();
ctx.close();
}
}

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/*
* Copyright 2021 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.http.snoop;
import io.netty.buffer.ByteBufAllocator;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.socket.SocketChannel;
import io.netty.handler.codec.http.HttpClientCodec;
import io.netty.handler.codec.http.HttpContentDecompressor;
import io.netty.handler.ssl.SslContext;
public class HttpSnoopClientInitializer extends ChannelInitializer<SocketChannel> {
private final SslContext sslCtx;
private final ByteBufAllocator allocator;
public HttpSnoopClientInitializer(SslContext sslCtx, ByteBufAllocator allocator) {
this.sslCtx = sslCtx;
this.allocator = allocator;
}
@Override
public void initChannel(SocketChannel ch) {
ChannelPipeline p = ch.pipeline();
// Enable HTTPS if necessary.
if (sslCtx != null) {
// `initChannel` runs before the channel options have been applied, so we need to configure
// the handler with an allocator that we get passed via the constructor.
p.addLast(sslCtx.newHandler(allocator));
}
p.addLast(new HttpClientCodec());
// Remove the following line if you don't want automatic content decompression.
p.addLast(new HttpContentDecompressor());
// Uncomment the following line if you don't want to handle HttpContents.
//p.addLast(new HttpObjectAggregator(1048576));
p.addLast(new HttpSnoopClientHandler());
}
}

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/*
* Copyright 2021 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.http.snoop;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.buffer.api.adaptor.ByteBufAllocatorAdaptor;
import io.netty.channel.Channel;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.MultithreadEventLoopGroup;
import io.netty.channel.nio.NioHandler;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.handler.logging.LogLevel;
import io.netty.handler.logging.LoggingHandler;
import io.netty.handler.ssl.SslContext;
import io.netty.handler.ssl.SslContextBuilder;
import io.netty.handler.ssl.util.SelfSignedCertificate;
/**
* An HTTP server that sends back the content of the received HTTP request
* in a pretty plaintext form.
*/
public final class HttpSnoopServer {
static final boolean SSL = System.getProperty("ssl") != null;
static final int PORT = Integer.parseInt(System.getProperty("port", SSL? "8443" : "8080"));
public static void main(String[] args) throws Exception {
// Configure SSL.
final SslContext sslCtx;
if (SSL) {
SelfSignedCertificate ssc = new SelfSignedCertificate();
sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).build();
} else {
sslCtx = null;
}
// Configure the server.
ByteBufAllocatorAdaptor allocator = new ByteBufAllocatorAdaptor();
EventLoopGroup bossGroup = new MultithreadEventLoopGroup(1, NioHandler.newFactory());
EventLoopGroup workerGroup = new MultithreadEventLoopGroup(NioHandler.newFactory());
try {
ServerBootstrap b = new ServerBootstrap();
b.group(bossGroup, workerGroup)
.channel(NioServerSocketChannel.class)
.childOption(ChannelOption.ALLOCATOR, allocator)
.handler(new LoggingHandler(LogLevel.INFO))
.childHandler(new HttpSnoopServerInitializer(sslCtx, allocator));
Channel ch = b.bind(PORT).sync().channel();
System.err.println("Open your web browser and navigate to " +
(SSL? "https" : "http") + "://127.0.0.1:" + PORT + '/');
ch.closeFuture().sync();
} finally {
bossGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
}
}
}

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/*
* Copyright 2021 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.http.snoop;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.handler.codec.DecoderResult;
import io.netty.handler.codec.http.DefaultFullHttpResponse;
import io.netty.handler.codec.http.FullHttpResponse;
import io.netty.handler.codec.http.HttpContent;
import io.netty.handler.codec.http.HttpHeaderNames;
import io.netty.handler.codec.http.HttpHeaderValues;
import io.netty.handler.codec.http.HttpHeaders;
import io.netty.handler.codec.http.HttpObject;
import io.netty.handler.codec.http.HttpRequest;
import io.netty.handler.codec.http.HttpUtil;
import io.netty.handler.codec.http.LastHttpContent;
import io.netty.handler.codec.http.QueryStringDecoder;
import io.netty.handler.codec.http.cookie.Cookie;
import io.netty.handler.codec.http.cookie.ServerCookieDecoder;
import io.netty.handler.codec.http.cookie.ServerCookieEncoder;
import io.netty.util.CharsetUtil;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import static io.netty.handler.codec.http.HttpResponseStatus.BAD_REQUEST;
import static io.netty.handler.codec.http.HttpResponseStatus.CONTINUE;
import static io.netty.handler.codec.http.HttpResponseStatus.OK;
import static io.netty.handler.codec.http.HttpVersion.HTTP_1_1;
public class HttpSnoopServerHandler extends SimpleChannelInboundHandler<Object> {
private HttpRequest request;
/** Buffer that stores the response content */
private final StringBuilder buf = new StringBuilder();
@Override
public void channelReadComplete(ChannelHandlerContext ctx) {
ctx.flush();
}
@Override
protected void messageReceived(ChannelHandlerContext ctx, Object msg) {
if (msg instanceof HttpRequest) {
HttpRequest request = this.request = (HttpRequest) msg;
if (HttpUtil.is100ContinueExpected(request)) {
send100Continue(ctx);
}
buf.setLength(0);
buf.append("WELCOME TO THE WILD WILD WEB SERVER\r\n");
buf.append("===================================\r\n");
buf.append("VERSION: ").append(request.protocolVersion()).append("\r\n");
buf.append("HOSTNAME: ").append(request.headers().get(HttpHeaderNames.HOST, "unknown")).append("\r\n");
buf.append("REQUEST_URI: ").append(request.uri()).append("\r\n\r\n");
HttpHeaders headers = request.headers();
if (!headers.isEmpty()) {
for (Entry<String, String> h: headers) {
CharSequence key = h.getKey();
CharSequence value = h.getValue();
buf.append("HEADER: ").append(key).append(" = ").append(value).append("\r\n");
}
buf.append("\r\n");
}
QueryStringDecoder queryStringDecoder = new QueryStringDecoder(request.uri());
Map<String, List<String>> params = queryStringDecoder.parameters();
if (!params.isEmpty()) {
for (Entry<String, List<String>> p: params.entrySet()) {
String key = p.getKey();
List<String> vals = p.getValue();
for (String val : vals) {
buf.append("PARAM: ").append(key).append(" = ").append(val).append("\r\n");
}
}
buf.append("\r\n");
}
appendDecoderResult(buf, request);
}
if (msg instanceof HttpContent) {
HttpContent httpContent = (HttpContent) msg;
ByteBuf content = httpContent.content();
if (content.isReadable()) {
buf.append("CONTENT: ");
buf.append(content.toString(CharsetUtil.UTF_8));
buf.append("\r\n");
appendDecoderResult(buf, request);
}
if (msg instanceof LastHttpContent) {
buf.append("END OF CONTENT\r\n");
LastHttpContent trailer = (LastHttpContent) msg;
if (!trailer.trailingHeaders().isEmpty()) {
buf.append("\r\n");
for (CharSequence name: trailer.trailingHeaders().names()) {
for (CharSequence value: trailer.trailingHeaders().getAll(name)) {
buf.append("TRAILING HEADER: ");
buf.append(name).append(" = ").append(value).append("\r\n");
}
}
buf.append("\r\n");
}
if (!writeResponse(trailer, ctx)) {
// If keep-alive is off, close the connection once the content is fully written.
ctx.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
}
}
}
}
private static void appendDecoderResult(StringBuilder buf, HttpObject o) {
DecoderResult result = o.decoderResult();
if (result.isSuccess()) {
return;
}
buf.append(".. WITH DECODER FAILURE: ");
buf.append(result.cause());
buf.append("\r\n");
}
private boolean writeResponse(HttpObject currentObj, ChannelHandlerContext ctx) {
// Decide whether to close the connection or not.
boolean keepAlive = HttpUtil.isKeepAlive(request);
// Build the response object.
FullHttpResponse response = new DefaultFullHttpResponse(
HTTP_1_1, currentObj.decoderResult().isSuccess()? OK : BAD_REQUEST,
Unpooled.copiedBuffer(buf.toString(), CharsetUtil.UTF_8));
response.headers().set(HttpHeaderNames.CONTENT_TYPE, "text/plain; charset=UTF-8");
if (keepAlive) {
// Add 'Content-Length' header only for a keep-alive connection.
response.headers().setInt(HttpHeaderNames.CONTENT_LENGTH, response.content().readableBytes());
// Add keep alive header as per:
// - https://www.w3.org/Protocols/HTTP/1.1/draft-ietf-http-v11-spec-01.html#Connection
response.headers().set(HttpHeaderNames.CONNECTION, HttpHeaderValues.KEEP_ALIVE);
}
// Encode the cookie.
String cookieString = request.headers().get(HttpHeaderNames.COOKIE);
if (cookieString != null) {
Set<Cookie> cookies = ServerCookieDecoder.STRICT.decode(cookieString);
if (!cookies.isEmpty()) {
// Reset the cookies if necessary.
for (Cookie cookie: cookies) {
response.headers().add(HttpHeaderNames.SET_COOKIE, ServerCookieEncoder.STRICT.encode(cookie));
}
}
} else {
// Browser sent no cookie. Add some.
response.headers().add(HttpHeaderNames.SET_COOKIE, ServerCookieEncoder.STRICT.encode("key1", "value1"));
response.headers().add(HttpHeaderNames.SET_COOKIE, ServerCookieEncoder.STRICT.encode("key2", "value2"));
}
// Write the response.
ctx.write(response);
return keepAlive;
}
private static void send100Continue(ChannelHandlerContext ctx) {
FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, CONTINUE, Unpooled.EMPTY_BUFFER);
ctx.write(response);
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
cause.printStackTrace();
ctx.close();
}
}

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/*
* Copyright 2021 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.http.snoop;
import io.netty.buffer.ByteBufAllocator;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.socket.SocketChannel;
import io.netty.handler.codec.http.HttpRequestDecoder;
import io.netty.handler.codec.http.HttpResponseEncoder;
import io.netty.handler.ssl.SslContext;
public class HttpSnoopServerInitializer extends ChannelInitializer<SocketChannel> {
private final SslContext sslCtx;
private final ByteBufAllocator allocator;
public HttpSnoopServerInitializer(SslContext sslCtx, ByteBufAllocator allocator) {
this.sslCtx = sslCtx;
this.allocator = allocator;
}
@Override
public void initChannel(SocketChannel ch) {
ChannelPipeline p = ch.pipeline();
ch.alloc();
if (sslCtx != null) {
p.addLast(sslCtx.newHandler(allocator));
}
p.addLast(new HttpRequestDecoder());
// Uncomment the following line if you don't want to handle HttpChunks.
//p.addLast(new HttpObjectAggregator(1048576));
p.addLast(new HttpResponseEncoder());
// Remove the following line if you don't want automatic content compression.
//p.addLast(new HttpContentCompressor());
p.addLast(new HttpSnoopServerHandler());
}
}

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/*
* Copyright 2021 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.http.upload;
import io.netty.bootstrap.Bootstrap;
import io.netty.buffer.api.adaptor.ByteBufAllocatorAdaptor;
import io.netty.channel.Channel;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.MultithreadEventLoopGroup;
import io.netty.channel.nio.NioHandler;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.codec.http.DefaultHttpRequest;
import io.netty.handler.codec.http.HttpHeaderNames;
import io.netty.handler.codec.http.HttpHeaderValues;
import io.netty.handler.codec.http.HttpHeaders;
import io.netty.handler.codec.http.HttpMethod;
import io.netty.handler.codec.http.HttpRequest;
import io.netty.handler.codec.http.HttpVersion;
import io.netty.handler.codec.http.QueryStringEncoder;
import io.netty.handler.codec.http.cookie.ClientCookieEncoder;
import io.netty.handler.codec.http.cookie.DefaultCookie;
import io.netty.handler.codec.http.multipart.DefaultHttpDataFactory;
import io.netty.handler.codec.http.multipart.DiskAttribute;
import io.netty.handler.codec.http.multipart.DiskFileUpload;
import io.netty.handler.codec.http.multipart.HttpDataFactory;
import io.netty.handler.codec.http.multipart.HttpPostRequestEncoder;
import io.netty.handler.codec.http.multipart.InterfaceHttpData;
import io.netty.handler.ssl.SslContext;
import io.netty.handler.ssl.SslContextBuilder;
import io.netty.handler.ssl.util.InsecureTrustManagerFactory;
import io.netty.util.internal.SocketUtils;
import java.io.File;
import java.io.FileNotFoundException;
import java.net.URI;
import java.util.List;
import java.util.Map.Entry;
/**
* This class is meant to be run against {@link HttpUploadServer}.
*/
public final class HttpUploadClient {
static final String BASE_URL = System.getProperty("baseUrl", "http://127.0.0.1:8080/");
static final String FILE = System.getProperty("file", "README.adoc");
public static void main(String[] args) throws Exception {
String postSimple, postFile, get;
if (BASE_URL.endsWith("/")) {
postSimple = BASE_URL + "formpost";
postFile = BASE_URL + "formpostmultipart";
get = BASE_URL + "formget";
} else {
postSimple = BASE_URL + "/formpost";
postFile = BASE_URL + "/formpostmultipart";
get = BASE_URL + "/formget";
}
URI uriSimple = new URI(postSimple);
String scheme = uriSimple.getScheme() == null? "http" : uriSimple.getScheme();
String host = uriSimple.getHost() == null? "127.0.0.1" : uriSimple.getHost();
int port = uriSimple.getPort();
if (port == -1) {
if ("http".equalsIgnoreCase(scheme)) {
port = 80;
} else if ("https".equalsIgnoreCase(scheme)) {
port = 443;
}
}
if (!"http".equalsIgnoreCase(scheme) && !"https".equalsIgnoreCase(scheme)) {
System.err.println("Only HTTP(S) is supported.");
return;
}
final boolean ssl = "https".equalsIgnoreCase(scheme);
final SslContext sslCtx;
if (ssl) {
sslCtx = SslContextBuilder.forClient()
.trustManager(InsecureTrustManagerFactory.INSTANCE).build();
} else {
sslCtx = null;
}
URI uriFile = new URI(postFile);
File file = new File(FILE);
if (!file.canRead()) {
throw new FileNotFoundException(FILE);
}
// Configure the client.
ByteBufAllocatorAdaptor allocator = new ByteBufAllocatorAdaptor();
EventLoopGroup group = new MultithreadEventLoopGroup(NioHandler.newFactory());
// setup the factory: here using a mixed memory/disk based on size threshold
HttpDataFactory factory = new DefaultHttpDataFactory(DefaultHttpDataFactory.MINSIZE); // Disk if MINSIZE exceed
DiskFileUpload.deleteOnExitTemporaryFile = true; // should delete file on exit (in normal exit)
DiskFileUpload.baseDirectory = null; // system temp directory
DiskAttribute.deleteOnExitTemporaryFile = true; // should delete file on exit (in normal exit)
DiskAttribute.baseDirectory = null; // system temp directory
try {
Bootstrap b = new Bootstrap();
b.group(group).channel(NioSocketChannel.class)
.option(ChannelOption.ALLOCATOR, allocator)
.handler(new HttpUploadClientInitializer(sslCtx));
// Simple Get form: no factory used (not usable)
List<Entry<String, String>> headers = formget(b, host, port, get, uriSimple);
if (headers == null) {
factory.cleanAllHttpData();
return;
}
// Simple Post form: factory used for big attributes
List<InterfaceHttpData> bodylist = formpost(b, host, port, uriSimple, file, factory, headers);
if (bodylist == null) {
factory.cleanAllHttpData();
return;
}
// Multipart Post form: factory used
formpostmultipart(b, host, port, uriFile, factory, headers, bodylist);
} finally {
// Shut down executor threads to exit.
group.shutdownGracefully();
// Really clean all temporary files if they still exist
factory.cleanAllHttpData();
}
}
/**
* Standard usage of HTTP API in Netty without file Upload (get is not able to achieve File upload
* due to limitation on request size).
*
* @return the list of headers that will be used in every example after
**/
private static List<Entry<String, String>> formget(
Bootstrap bootstrap, String host, int port, String get, URI uriSimple) throws Exception {
// XXX /formget
// No use of HttpPostRequestEncoder since not a POST
Channel channel = bootstrap.connect(host, port).sync().channel();
// Prepare the HTTP request.
QueryStringEncoder encoder = new QueryStringEncoder(get);
// add Form attribute
encoder.addParam("getform", "GET");
encoder.addParam("info", "first value");
encoder.addParam("secondinfo", "secondvalue <20><><EFBFBD>&");
// not the big one since it is not compatible with GET size
// encoder.addParam("thirdinfo", textArea);
encoder.addParam("thirdinfo", "third value\r\ntest second line\r\n\r\nnew line\r\n");
encoder.addParam("Send", "Send");
URI uriGet = new URI(encoder.toString());
HttpRequest request = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, uriGet.toASCIIString());
HttpHeaders headers = request.headers();
headers.set(HttpHeaderNames.HOST, host);
headers.set(HttpHeaderNames.CONNECTION, HttpHeaderValues.CLOSE);
headers.set(HttpHeaderNames.ACCEPT_ENCODING, HttpHeaderValues.GZIP + "," + HttpHeaderValues.DEFLATE);
headers.set(HttpHeaderNames.ACCEPT_CHARSET, "ISO-8859-1,utf-8;q=0.7,*;q=0.7");
headers.set(HttpHeaderNames.ACCEPT_LANGUAGE, "fr");
headers.set(HttpHeaderNames.REFERER, uriSimple.toString());
headers.set(HttpHeaderNames.USER_AGENT, "Netty Simple Http Client side");
headers.set(HttpHeaderNames.ACCEPT, "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
//connection will not close but needed
// headers.set("Connection","keep-alive");
// headers.set("Keep-Alive","300");
headers.set(
HttpHeaderNames.COOKIE, ClientCookieEncoder.STRICT.encode(
new DefaultCookie("my-cookie", "foo"),
new DefaultCookie("another-cookie", "bar"))
);
// send request
channel.writeAndFlush(request);
// Wait for the server to close the connection.
channel.closeFuture().sync();
// convert headers to list
return headers.entries();
}
/**
* Standard post without multipart but already support on Factory (memory management)
*
* @return the list of HttpData object (attribute and file) to be reused on next post
*/
private static List<InterfaceHttpData> formpost(
Bootstrap bootstrap,
String host, int port, URI uriSimple, File file, HttpDataFactory factory,
List<Entry<String, String>> headers) throws Exception {
// XXX /formpost
// Start the connection attempt.
ChannelFuture future = bootstrap.connect(SocketUtils.socketAddress(host, port));
// Wait until the connection attempt succeeds or fails.
Channel channel = future.sync().channel();
// Prepare the HTTP request.
HttpRequest request = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.POST, uriSimple.toASCIIString());
// Use the PostBody encoder
HttpPostRequestEncoder bodyRequestEncoder =
new HttpPostRequestEncoder(factory, request, false); // false => not multipart
// it is legal to add directly header or cookie into the request until finalize
for (Entry<String, String> entry : headers) {
request.headers().set(entry.getKey(), entry.getValue());
}
// add Form attribute
bodyRequestEncoder.addBodyAttribute("getform", "POST");
bodyRequestEncoder.addBodyAttribute("info", "first value");
bodyRequestEncoder.addBodyAttribute("secondinfo", "secondvalue <20><><EFBFBD>&");
bodyRequestEncoder.addBodyAttribute("thirdinfo", textArea);
bodyRequestEncoder.addBodyAttribute("fourthinfo", textAreaLong);
bodyRequestEncoder.addBodyFileUpload("myfile", file, "application/x-zip-compressed", false);
// finalize request
request = bodyRequestEncoder.finalizeRequest();
// Create the bodylist to be reused on the last version with Multipart support
List<InterfaceHttpData> bodylist = bodyRequestEncoder.getBodyListAttributes();
// send request
channel.write(request);
// test if request was chunked and if so, finish the write
if (bodyRequestEncoder.isChunked()) { // could do either request.isChunked()
// either do it through ChunkedWriteHandler
channel.write(bodyRequestEncoder);
}
channel.flush();
// Do not clear here since we will reuse the InterfaceHttpData on the next request
// for the example (limit action on client side). Take this as a broadcast of the same
// request on both Post actions.
//
// On standard program, it is clearly recommended to clean all files after each request
// bodyRequestEncoder.cleanFiles();
// Wait for the server to close the connection.
channel.closeFuture().sync();
return bodylist;
}
/**
* Multipart example
*/
private static void formpostmultipart(
Bootstrap bootstrap, String host, int port, URI uriFile, HttpDataFactory factory,
Iterable<Entry<String, String>> headers, List<InterfaceHttpData> bodylist) throws Exception {
// XXX /formpostmultipart
// Start the connection attempt.
ChannelFuture future = bootstrap.connect(SocketUtils.socketAddress(host, port));
// Wait until the connection attempt succeeds or fails.
Channel channel = future.sync().channel();
// Prepare the HTTP request.
HttpRequest request = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.POST, uriFile.toASCIIString());
// Use the PostBody encoder
HttpPostRequestEncoder bodyRequestEncoder =
new HttpPostRequestEncoder(factory, request, true); // true => multipart
// it is legal to add directly header or cookie into the request until finalize
for (Entry<String, String> entry : headers) {
request.headers().set(entry.getKey(), entry.getValue());
}
// add Form attribute from previous request in formpost()
bodyRequestEncoder.setBodyHttpDatas(bodylist);
// finalize request
bodyRequestEncoder.finalizeRequest();
// send request
channel.write(request);
// test if request was chunked and if so, finish the write
if (bodyRequestEncoder.isChunked()) {
channel.write(bodyRequestEncoder);
}
channel.flush();
// Now no more use of file representation (and list of HttpData)
bodyRequestEncoder.cleanFiles();
// Wait for the server to close the connection.
channel.closeFuture().sync();
}
// use to simulate a small TEXTAREA field in a form
private static final String textArea = "short text";
// use to simulate a big TEXTAREA field in a form
private static final String textAreaLong =
"lkjlkjlKJLKJLKJLKJLJlkj lklkj\r\n\r\nLKJJJJJJJJKKKKKKKKKKKKKKK <20><><EFBFBD><EFBFBD>&\r\n\r\n" +
"MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM\r\n" +
"MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM\r\n" +
"MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM\r\n" +
"MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM\r\n" +
"MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM\r\n" +
"MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM\r\n" +
"MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM\r\n" +
"MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM\r\n" +
"MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM\r\n" +
"MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM\r\n" +
"MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM\r\n" +
"MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM\r\n" +
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"MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM\r\n" +
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"MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM\r\n" +
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}

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@ -0,0 +1,79 @@
/*
* Copyright 2021 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.http.upload;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.handler.codec.http.HttpContent;
import io.netty.handler.codec.http.HttpObject;
import io.netty.handler.codec.http.HttpResponse;
import io.netty.handler.codec.http.HttpUtil;
import io.netty.handler.codec.http.LastHttpContent;
import io.netty.util.CharsetUtil;
/**
* Handler that just dumps the contents of the response from the server
*/
public class HttpUploadClientHandler extends SimpleChannelInboundHandler<HttpObject> {
private boolean readingChunks;
@Override
public void messageReceived(ChannelHandlerContext ctx, HttpObject msg) {
if (msg instanceof HttpResponse) {
HttpResponse response = (HttpResponse) msg;
System.err.println("STATUS: " + response.status());
System.err.println("VERSION: " + response.protocolVersion());
if (!response.headers().isEmpty()) {
for (CharSequence name : response.headers().names()) {
for (CharSequence value : response.headers().getAll(name)) {
System.err.println("HEADER: " + name + " = " + value);
}
}
}
if (response.status().code() == 200 && HttpUtil.isTransferEncodingChunked(response)) {
readingChunks = true;
System.err.println("CHUNKED CONTENT {");
} else {
System.err.println("CONTENT {");
}
}
if (msg instanceof HttpContent) {
HttpContent chunk = (HttpContent) msg;
System.err.println(chunk.content().toString(CharsetUtil.UTF_8));
if (chunk instanceof LastHttpContent) {
if (readingChunks) {
System.err.println("} END OF CHUNKED CONTENT");
} else {
System.err.println("} END OF CONTENT");
}
readingChunks = false;
} else {
System.err.println(chunk.content().toString(CharsetUtil.UTF_8));
}
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
cause.printStackTrace();
ctx.channel().close();
}
}

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@ -0,0 +1,52 @@
/*
* Copyright 2021 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.http.upload;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.socket.SocketChannel;
import io.netty.handler.codec.http.HttpClientCodec;
import io.netty.handler.codec.http.HttpContentDecompressor;
import io.netty.handler.ssl.SslContext;
import io.netty.handler.stream.ChunkedWriteHandler;
public class HttpUploadClientInitializer extends ChannelInitializer<SocketChannel> {
private final SslContext sslCtx;
public HttpUploadClientInitializer(SslContext sslCtx) {
this.sslCtx = sslCtx;
}
@Override
public void initChannel(SocketChannel ch) {
ChannelPipeline pipeline = ch.pipeline();
if (sslCtx != null) {
pipeline.addLast("ssl", sslCtx.newHandler(ch.alloc()));
}
pipeline.addLast("codec", new HttpClientCodec());
// Remove the following line if you don't want automatic content decompression.
pipeline.addLast("inflater", new HttpContentDecompressor());
// to be used since huge file transfer
pipeline.addLast("chunkedWriter", new ChunkedWriteHandler());
pipeline.addLast("handler", new HttpUploadClientHandler());
}
}

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/*
* Copyright 2021 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.http.upload;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.buffer.api.adaptor.ByteBufAllocatorAdaptor;
import io.netty.channel.Channel;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.MultithreadEventLoopGroup;
import io.netty.channel.nio.NioHandler;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.handler.logging.LogLevel;
import io.netty.handler.logging.LoggingHandler;
import io.netty.handler.ssl.SslContext;
import io.netty.handler.ssl.SslContextBuilder;
import io.netty.handler.ssl.util.SelfSignedCertificate;
/**
* An HTTP server showing how to use the HTTP multipart package for file uploads and decoding post data.
*/
public final class HttpUploadServer {
static final boolean SSL = System.getProperty("ssl") != null;
static final int PORT = Integer.parseInt(System.getProperty("port", SSL? "8443" : "8080"));
public static void main(String[] args) throws Exception {
// Configure SSL.
final SslContext sslCtx;
if (SSL) {
SelfSignedCertificate ssc = new SelfSignedCertificate();
sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).build();
} else {
sslCtx = null;
}
ByteBufAllocatorAdaptor allocator = new ByteBufAllocatorAdaptor();
EventLoopGroup bossGroup = new MultithreadEventLoopGroup(1, NioHandler.newFactory());
EventLoopGroup workerGroup = new MultithreadEventLoopGroup(NioHandler.newFactory());
try {
ServerBootstrap b = new ServerBootstrap();
b.group(bossGroup, workerGroup);
b.channel(NioServerSocketChannel.class);
b.childOption(ChannelOption.ALLOCATOR, allocator);
b.handler(new LoggingHandler(LogLevel.INFO));
b.childHandler(new HttpUploadServerInitializer(sslCtx));
Channel ch = b.bind(PORT).sync().channel();
System.err.println("Open your web browser and navigate to " +
(SSL? "https" : "http") + "://127.0.0.1:" + PORT + '/');
ch.closeFuture().sync();
} finally {
bossGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
}
}
}

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/*
* Copyright 2021 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.http.upload;
import io.netty.buffer.ByteBuf;
import io.netty.channel.Channel;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.handler.codec.http.DefaultFullHttpResponse;
import io.netty.handler.codec.http.FullHttpResponse;
import io.netty.handler.codec.http.HttpContent;
import io.netty.handler.codec.http.HttpHeaderNames;
import io.netty.handler.codec.http.HttpHeaderValues;
import io.netty.handler.codec.http.HttpMethod;
import io.netty.handler.codec.http.HttpObject;
import io.netty.handler.codec.http.HttpRequest;
import io.netty.handler.codec.http.HttpResponseStatus;
import io.netty.handler.codec.http.HttpUtil;
import io.netty.handler.codec.http.HttpVersion;
import io.netty.handler.codec.http.LastHttpContent;
import io.netty.handler.codec.http.QueryStringDecoder;
import io.netty.handler.codec.http.cookie.Cookie;
import io.netty.handler.codec.http.cookie.ServerCookieDecoder;
import io.netty.handler.codec.http.cookie.ServerCookieEncoder;
import io.netty.handler.codec.http.multipart.Attribute;
import io.netty.handler.codec.http.multipart.DefaultHttpDataFactory;
import io.netty.handler.codec.http.multipart.DiskAttribute;
import io.netty.handler.codec.http.multipart.DiskFileUpload;
import io.netty.handler.codec.http.multipart.FileUpload;
import io.netty.handler.codec.http.multipart.HttpData;
import io.netty.handler.codec.http.multipart.HttpDataFactory;
import io.netty.handler.codec.http.multipart.HttpPostRequestDecoder;
import io.netty.handler.codec.http.multipart.HttpPostRequestDecoder.EndOfDataDecoderException;
import io.netty.handler.codec.http.multipart.HttpPostRequestDecoder.ErrorDataDecoderException;
import io.netty.handler.codec.http.multipart.InterfaceHttpData;
import io.netty.handler.codec.http.multipart.InterfaceHttpData.HttpDataType;
import io.netty.util.CharsetUtil;
import java.io.IOException;
import java.net.URI;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import static io.netty.buffer.Unpooled.copiedBuffer;
public class HttpUploadServerHandler extends SimpleChannelInboundHandler<HttpObject> {
private static final Logger logger = Logger.getLogger(HttpUploadServerHandler.class.getName());
private HttpRequest request;
private HttpData partialContent;
private final StringBuilder responseContent = new StringBuilder();
private static final HttpDataFactory factory =
new DefaultHttpDataFactory(DefaultHttpDataFactory.MINSIZE); // Disk if size exceed
private HttpPostRequestDecoder decoder;
static {
DiskFileUpload.deleteOnExitTemporaryFile = true; // should delete file
// on exit (in normal
// exit)
DiskFileUpload.baseDirectory = null; // system temp directory
DiskAttribute.deleteOnExitTemporaryFile = true; // should delete file on
// exit (in normal exit)
DiskAttribute.baseDirectory = null; // system temp directory
}
@Override
public void channelInactive(ChannelHandlerContext ctx) throws Exception {
if (decoder != null) {
decoder.cleanFiles();
}
}
@Override
public void messageReceived(ChannelHandlerContext ctx, HttpObject msg) throws Exception {
if (msg instanceof HttpRequest) {
HttpRequest request = this.request = (HttpRequest) msg;
URI uri = new URI(request.uri());
if (!uri.getPath().startsWith("/form")) {
// Write Menu
writeMenu(ctx);
return;
}
responseContent.setLength(0);
responseContent.append("WELCOME TO THE WILD WILD WEB SERVER\r\n");
responseContent.append("===================================\r\n");
responseContent.append("VERSION: " + request.protocolVersion().text() + "\r\n");
responseContent.append("REQUEST_URI: " + request.uri() + "\r\n\r\n");
responseContent.append("\r\n\r\n");
// new getMethod
for (Entry<String, String> entry : request.headers()) {
responseContent.append("HEADER: " + entry.getKey() + '=' + entry.getValue() + "\r\n");
}
responseContent.append("\r\n\r\n");
// new getMethod
Set<Cookie> cookies;
String value = request.headers().get(HttpHeaderNames.COOKIE);
if (value == null) {
cookies = Collections.emptySet();
} else {
cookies = ServerCookieDecoder.STRICT.decode(value);
}
for (Cookie cookie : cookies) {
responseContent.append("COOKIE: " + cookie + "\r\n");
}
responseContent.append("\r\n\r\n");
QueryStringDecoder decoderQuery = new QueryStringDecoder(request.uri());
Map<String, List<String>> uriAttributes = decoderQuery.parameters();
for (Entry<String, List<String>> attr: uriAttributes.entrySet()) {
for (String attrVal: attr.getValue()) {
responseContent.append("URI: " + attr.getKey() + '=' + attrVal + "\r\n");
}
}
responseContent.append("\r\n\r\n");
// if GET Method: should not try to create an HttpPostRequestDecoder
if (HttpMethod.GET.equals(request.method())) {
// GET Method: should not try to create an HttpPostRequestDecoder
// So stop here
responseContent.append("\r\n\r\nEND OF GET CONTENT\r\n");
// Not now: LastHttpContent will be sent writeResponse(ctx.channel());
return;
}
try {
decoder = new HttpPostRequestDecoder(factory, request);
} catch (ErrorDataDecoderException e1) {
logger.log(Level.WARNING, e1.getMessage(), e1);
responseContent.append(e1.getMessage());
writeResponse(ctx.channel(), true);
return;
}
boolean readingChunks = HttpUtil.isTransferEncodingChunked(request);
responseContent.append("Is Chunked: " + readingChunks + "\r\n");
responseContent.append("IsMultipart: " + decoder.isMultipart() + "\r\n");
if (readingChunks) {
// Chunk version
responseContent.append("Chunks: ");
}
}
// check if the decoder was constructed before
// if not it handles the form get
if (decoder != null) {
if (msg instanceof HttpContent) {
// New chunk is received
HttpContent chunk = (HttpContent) msg;
try {
decoder.offer(chunk);
} catch (ErrorDataDecoderException e1) {
logger.log(Level.WARNING, e1.getMessage(), e1);
responseContent.append(e1.getMessage());
writeResponse(ctx.channel(), true);
return;
}
responseContent.append('o');
// example of reading chunk by chunk (minimize memory usage due to
// Factory)
readHttpDataChunkByChunk();
// example of reading only if at the end
if (chunk instanceof LastHttpContent) {
writeResponse(ctx.channel());
reset();
}
}
} else {
writeResponse(ctx.channel());
}
}
private void reset() {
request = null;
// destroy the decoder to release all resources
decoder.destroy();
decoder = null;
}
/**
* Example of reading request by chunk and getting values from chunk to chunk
*/
private void readHttpDataChunkByChunk() {
try {
while (decoder.hasNext()) {
InterfaceHttpData data = decoder.next();
if (data != null) {
// check if current HttpData is a FileUpload and previously set as partial
long length = -1;
if (partialContent == data) {
logger.info(" 100% (FinalSize: " + (length = partialContent.length()) + ')');
partialContent = null;
}
// new value
writeHttpData(data);
}
}
// Check partial decoding for a FileUpload
InterfaceHttpData data = decoder.currentPartialHttpData();
if (data != null) {
StringBuilder builder = new StringBuilder();
if (partialContent == null) {
partialContent = (HttpData) data;
if (partialContent instanceof FileUpload) {
builder.append("Start FileUpload: ")
.append(((FileUpload) partialContent).getFilename()).append(' ');
} else {
builder.append("Start Attribute: ")
.append(partialContent.getName()).append(' ');
}
builder.append("(DefinedSize: ").append(partialContent.definedLength()).append(')');
}
if (partialContent.definedLength() > 0) {
builder.append(' ').append(partialContent.length() * 100 / partialContent.definedLength())
.append("% ");
} else {
builder.append(' ').append(partialContent.length()).append(' ');
}
logger.info(builder.toString());
}
} catch (EndOfDataDecoderException e1) {
// end
responseContent.append("\r\n\r\nEND OF CONTENT CHUNK BY CHUNK\r\n\r\n");
}
}
private void writeHttpData(InterfaceHttpData data) {
if (data.getHttpDataType() == HttpDataType.Attribute) {
Attribute attribute = (Attribute) data;
String value;
try {
value = attribute.getValue();
} catch (IOException e1) {
// Error while reading data from File, only print name and error
logger.log(Level.WARNING, e1.getMessage(), e1);
responseContent.append("\r\nBODY Attribute: " + attribute.getHttpDataType().name() + ": "
+ attribute.getName() + " Error while reading value: " + e1.getMessage() + "\r\n");
return;
}
if (value.length() > 100) {
responseContent.append("\r\nBODY Attribute: " + attribute.getHttpDataType().name() + ": "
+ attribute.getName() + " data too long\r\n");
} else {
responseContent.append("\r\nBODY Attribute: " + attribute.getHttpDataType().name() + ": "
+ attribute + "\r\n");
}
} else {
responseContent.append("\r\nBODY FileUpload: " + data.getHttpDataType().name() + ": " + data
+ "\r\n");
if (data.getHttpDataType() == HttpDataType.FileUpload) {
FileUpload fileUpload = (FileUpload) data;
if (fileUpload.isCompleted()) {
if (fileUpload.length() < 10000) {
responseContent.append("\tContent of file\r\n");
try {
responseContent.append(fileUpload.getString(fileUpload.getCharset()));
} catch (IOException e1) {
// do nothing for the example
logger.log(Level.WARNING, e1.getMessage(), e1);
}
responseContent.append("\r\n");
} else {
responseContent.append("\tFile too long to be printed out:" + fileUpload.length() + "\r\n");
}
// fileUpload.isInMemory();// tells if the file is in Memory
// or on File
// fileUpload.renameTo(dest); // enable to move into another
// File dest
// decoder.removeFileUploadFromClean(fileUpload); //remove
// the File of to delete file
} else {
responseContent.append("\tFile to be continued but should not!\r\n");
}
}
}
}
private void writeResponse(Channel channel) {
writeResponse(channel, false);
}
private void writeResponse(Channel channel, boolean forceClose) {
// Convert the response content to a ChannelBuffer.
ByteBuf buf = copiedBuffer(responseContent.toString(), CharsetUtil.UTF_8);
responseContent.setLength(0);
// Decide whether to close the connection or not.
boolean keepAlive = HttpUtil.isKeepAlive(request) && !forceClose;
// Build the response object.
FullHttpResponse response = new DefaultFullHttpResponse(
HttpVersion.HTTP_1_1, HttpResponseStatus.OK, buf);
response.headers().set(HttpHeaderNames.CONTENT_TYPE, "text/plain; charset=UTF-8");
response.headers().setInt(HttpHeaderNames.CONTENT_LENGTH, buf.readableBytes());
if (!keepAlive) {
response.headers().set(HttpHeaderNames.CONNECTION, HttpHeaderValues.CLOSE);
} else if (request.protocolVersion().equals(HttpVersion.HTTP_1_0)) {
response.headers().set(HttpHeaderNames.CONNECTION, HttpHeaderValues.KEEP_ALIVE);
}
Set<Cookie> cookies;
String value = request.headers().get(HttpHeaderNames.COOKIE);
if (value == null) {
cookies = Collections.emptySet();
} else {
cookies = ServerCookieDecoder.STRICT.decode(value);
}
if (!cookies.isEmpty()) {
// Reset the cookies if necessary.
for (Cookie cookie : cookies) {
response.headers().add(HttpHeaderNames.SET_COOKIE, ServerCookieEncoder.STRICT.encode(cookie));
}
}
// Write the response.
ChannelFuture future = channel.writeAndFlush(response);
// Close the connection after the write operation is done if necessary.
if (!keepAlive) {
future.addListener(ChannelFutureListener.CLOSE);
}
}
private void writeMenu(ChannelHandlerContext ctx) {
// print several HTML forms
// Convert the response content to a ChannelBuffer.
responseContent.setLength(0);
// create Pseudo Menu
responseContent.append("<html>");
responseContent.append("<head>");
responseContent.append("<title>Netty Test Form</title>\r\n");
responseContent.append("</head>\r\n");
responseContent.append("<body bgcolor=white><style>td{font-size: 12pt;}</style>");
responseContent.append("<table border=\"0\">");
responseContent.append("<tr>");
responseContent.append("<td>");
responseContent.append("<h1>Netty Test Form</h1>");
responseContent.append("Choose one FORM");
responseContent.append("</td>");
responseContent.append("</tr>");
responseContent.append("</table>\r\n");
// GET
responseContent.append("<CENTER>GET FORM<HR WIDTH=\"75%\" NOSHADE color=\"blue\"></CENTER>");
responseContent.append("<FORM ACTION=\"/formget\" METHOD=\"GET\">");
responseContent.append("<input type=hidden name=getform value=\"GET\">");
responseContent.append("<table border=\"0\">");
responseContent.append("<tr><td>Fill with value: <br> <input type=text name=\"info\" size=10></td></tr>");
responseContent.append("<tr><td>Fill with value: <br> <input type=text name=\"secondinfo\" size=20>");
responseContent
.append("<tr><td>Fill with value: <br> <textarea name=\"thirdinfo\" cols=40 rows=10></textarea>");
responseContent.append("</td></tr>");
responseContent.append("<tr><td><INPUT TYPE=\"submit\" NAME=\"Send\" VALUE=\"Send\"></INPUT></td>");
responseContent.append("<td><INPUT TYPE=\"reset\" NAME=\"Clear\" VALUE=\"Clear\" ></INPUT></td></tr>");
responseContent.append("</table></FORM>\r\n");
responseContent.append("<CENTER><HR WIDTH=\"75%\" NOSHADE color=\"blue\"></CENTER>");
// POST
responseContent.append("<CENTER>POST FORM<HR WIDTH=\"75%\" NOSHADE color=\"blue\"></CENTER>");
responseContent.append("<FORM ACTION=\"/formpost\" METHOD=\"POST\">");
responseContent.append("<input type=hidden name=getform value=\"POST\">");
responseContent.append("<table border=\"0\">");
responseContent.append("<tr><td>Fill with value: <br> <input type=text name=\"info\" size=10></td></tr>");
responseContent.append("<tr><td>Fill with value: <br> <input type=text name=\"secondinfo\" size=20>");
responseContent
.append("<tr><td>Fill with value: <br> <textarea name=\"thirdinfo\" cols=40 rows=10></textarea>");
responseContent.append("<tr><td>Fill with file (only file name will be transmitted): <br> "
+ "<input type=file name=\"myfile\">");
responseContent.append("</td></tr>");
responseContent.append("<tr><td><INPUT TYPE=\"submit\" NAME=\"Send\" VALUE=\"Send\"></INPUT></td>");
responseContent.append("<td><INPUT TYPE=\"reset\" NAME=\"Clear\" VALUE=\"Clear\" ></INPUT></td></tr>");
responseContent.append("</table></FORM>\r\n");
responseContent.append("<CENTER><HR WIDTH=\"75%\" NOSHADE color=\"blue\"></CENTER>");
// POST with enctype="multipart/form-data"
responseContent.append("<CENTER>POST MULTIPART FORM<HR WIDTH=\"75%\" NOSHADE color=\"blue\"></CENTER>");
responseContent.append("<FORM ACTION=\"/formpostmultipart\" ENCTYPE=\"multipart/form-data\" METHOD=\"POST\">");
responseContent.append("<input type=hidden name=getform value=\"POST\">");
responseContent.append("<table border=\"0\">");
responseContent.append("<tr><td>Fill with value: <br> <input type=text name=\"info\" size=10></td></tr>");
responseContent.append("<tr><td>Fill with value: <br> <input type=text name=\"secondinfo\" size=20>");
responseContent
.append("<tr><td>Fill with value: <br> <textarea name=\"thirdinfo\" cols=40 rows=10></textarea>");
responseContent.append("<tr><td>Fill with file: <br> <input type=file name=\"myfile\">");
responseContent.append("</td></tr>");
responseContent.append("<tr><td><INPUT TYPE=\"submit\" NAME=\"Send\" VALUE=\"Send\"></INPUT></td>");
responseContent.append("<td><INPUT TYPE=\"reset\" NAME=\"Clear\" VALUE=\"Clear\" ></INPUT></td></tr>");
responseContent.append("</table></FORM>\r\n");
responseContent.append("<CENTER><HR WIDTH=\"75%\" NOSHADE color=\"blue\"></CENTER>");
responseContent.append("</body>");
responseContent.append("</html>");
ByteBuf buf = copiedBuffer(responseContent.toString(), CharsetUtil.UTF_8);
// Build the response object.
FullHttpResponse response = new DefaultFullHttpResponse(
HttpVersion.HTTP_1_1, HttpResponseStatus.OK, buf);
response.headers().set(HttpHeaderNames.CONTENT_TYPE, "text/html; charset=UTF-8");
response.headers().setInt(HttpHeaderNames.CONTENT_LENGTH, buf.readableBytes());
// Decide whether to close the connection or not.
boolean keepAlive = HttpUtil.isKeepAlive(request);
if (!keepAlive) {
response.headers().set(HttpHeaderNames.CONNECTION, HttpHeaderValues.CLOSE);
} else if (request.protocolVersion().equals(HttpVersion.HTTP_1_0)) {
response.headers().set(HttpHeaderNames.CONNECTION, HttpHeaderValues.KEEP_ALIVE);
}
// Write the response.
ChannelFuture future = ctx.channel().writeAndFlush(response);
// Close the connection after the write operation is done if necessary.
if (!keepAlive) {
future.addListener(ChannelFutureListener.CLOSE);
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
logger.log(Level.WARNING, responseContent.toString(), cause);
ctx.channel().close();
}
}

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/*
* Copyright 2021 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.http.upload;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.socket.SocketChannel;
import io.netty.handler.codec.http.HttpContentCompressor;
import io.netty.handler.codec.http.HttpRequestDecoder;
import io.netty.handler.codec.http.HttpResponseEncoder;
import io.netty.handler.ssl.SslContext;
public class HttpUploadServerInitializer extends ChannelInitializer<SocketChannel> {
private final SslContext sslCtx;
public HttpUploadServerInitializer(SslContext sslCtx) {
this.sslCtx = sslCtx;
}
@Override
public void initChannel(SocketChannel ch) {
ChannelPipeline pipeline = ch.pipeline();
if (sslCtx != null) {
pipeline.addLast(sslCtx.newHandler(ch.alloc()));
}
pipeline.addLast(new HttpRequestDecoder());
pipeline.addLast(new HttpResponseEncoder());
// Remove the following line if you don't want automatic content compression.
pipeline.addLast(new HttpContentCompressor());
pipeline.addLast(new HttpUploadServerHandler());
}
}

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# Copyright 2021 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.
junit.jupiter.execution.parallel.enabled = true
junit.jupiter.execution.parallel.mode.default = concurrent
junit.jupiter.testinstance.lifecycle.default = per_class
junit.jupiter.execution.parallel.config.strategy = fixed
junit.jupiter.execution.parallel.config.fixed.parallelism = 16