/**
* Decodes the client connection preface string from the input buffer.
*
* @return {@code true} if processing of the client preface string is complete. Since client
* preface strings can only be received by servers, returns true immediately for client
* endpoints.
*/
private boolean readClientPrefaceString(ByteBuf in) throws Http2Exception {
if (clientPrefaceString == null) {
return true;
}
int prefaceRemaining = clientPrefaceString.readableBytes();
int bytesRead = min(in.readableBytes(), prefaceRemaining);
// If the input so far doesn't match the preface, break the connection.
if (bytesRead == 0
|| !ByteBufUtil.equals(
in,
in.readerIndex(),
clientPrefaceString,
clientPrefaceString.readerIndex(),
bytesRead)) {
String receivedBytes =
hexDump(
in, in.readerIndex(), min(in.readableBytes(), clientPrefaceString.readableBytes()));
throw connectionError(
PROTOCOL_ERROR,
"HTTP/2 client preface string missing or corrupt. " + "Hex dump for received bytes: %s",
receivedBytes);
}
in.skipBytes(bytesRead);
clientPrefaceString.skipBytes(bytesRead);
if (!clientPrefaceString.isReadable()) {
// Entire preface has been read.
clientPrefaceString.release();
clientPrefaceString = null;
return true;
}
return false;
}
public boolean decodeHeader(
final ByteBuf buf, InetSocketAddress recipient, final InetSocketAddress sender) {
if (message == null) {
if (buf.readableBytes() < MessageHeaderCodec.HEADER_SIZE) {
// we don't have the header yet, we need the full header first
// wait for more data
return false;
}
message = MessageHeaderCodec.decodeHeader(buf, recipient, sender);
}
if (message.sender().isNet4Private()
&& buf.readableBytes() < MessageHeaderCodec.HEADER_PRIVATE_ADDRESS_SIZE) {
return false;
} else if (message.sender().isNet4Private()
&& buf.readableBytes() >= MessageHeaderCodec.HEADER_PRIVATE_ADDRESS_SIZE) {
PeerSocketAddress internalPeerSocketAddress = PeerSocketAddress.create(buf, true);
message.sender(message.sender().changeInternalPeerSocketAddress(internalPeerSocketAddress));
}
// we have set the content types already
message.presetContentTypes(true);
for (Content content : message.contentTypes()) {
if (content == Content.EMPTY) {
break;
}
if (content == Content.PUBLIC_KEY_SIGNATURE) {
message.setHintSign();
}
contentTypes.offer(content);
}
LOG.debug("Parsed message {}.", message);
return true;
}
@Override
public int onDataRead(
ChannelHandlerContext ctx, int streamId, ByteBuf data, int padding, boolean endOfStream)
throws Http2Exception {
FullHttpMessage msg = messageMap.get(streamId);
if (msg == null) {
throw connectionError(
PROTOCOL_ERROR, "Data Frame received for unknown stream id %d", streamId);
}
ByteBuf content = msg.content();
final int dataReadableBytes = data.readableBytes();
if (content.readableBytes() > maxContentLength - dataReadableBytes) {
throw connectionError(
INTERNAL_ERROR,
"Content length exceeded max of %d for stream id %d",
maxContentLength,
streamId);
}
content.writeBytes(data, data.readerIndex(), dataReadableBytes);
if (endOfStream) {
fireChannelRead(ctx, msg, streamId);
}
// All bytes have been processed.
return dataReadableBytes + padding;
}
@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
long frameLength = decodeLength(in, 0);
if (frameLength > maxFrameLength) {
long discard = frameLength - in.readableBytes();
tooLongFrameLength = frameLength;
if (discard < 0) {
// buffer contains more bytes then the frameLength so we can discard all now
in.skipBytes((int) frameLength);
} else {
// Enter the discard mode and discard everything received so far.
discardingTooLongFrame = true;
bytesToDiscard = discard;
in.skipBytes(in.readableBytes());
}
failIfNecessary(true);
} else {
int readerIndex = in.readerIndex();
int actualFrameLength = (int) frameLength;
ByteBuf buffer = extractFrame(ctx, in, readerIndex, actualFrameLength);
in.readerIndex(readerIndex + actualFrameLength);
out.add(buffer);
}
}
protected void internalReceive(HttpResponseStatus status, HttpHeaders headers, ByteBuf content) {
try {
if (status.code() > 399) {
byte[] b = new byte[content.readableBytes()];
content.readBytes(b);
onErrorResponse(status, headers, new String(b, CharsetUtil.UTF_8));
return;
}
if (type == ByteBuf.class) {
_doReceive(status, headers, type.cast(content));
} else if (type == String.class || type == CharSequence.class) {
byte[] b = new byte[content.readableBytes()];
content.readBytes(b);
_doReceive(status, headers, type.cast(new String(b, CharsetUtil.UTF_8)));
} else if (type == byte[].class) {
byte[] b = new byte[content.readableBytes()];
content.readBytes(b);
_doReceive(status, headers, type.cast(b));
} else {
ObjectMapper mapper = new ObjectMapper();
byte[] b = new byte[content.readableBytes()];
content.readBytes(b);
try {
Object o = mapper.readValue(b, type);
_doReceive(status, headers, type.cast(o));
} catch (Exception ex) {
Exceptions.chuck(ex);
}
}
} finally {
latch.countDown();
}
}
@Override
public void addContent(ByteBuf buffer, boolean last) throws IOException {
if (buffer != null) {
long localsize = buffer.readableBytes();
if (definedSize > 0 && definedSize < size + localsize) {
throw new IOException("Out of size: " + (size + localsize) + " > " + definedSize);
}
size += localsize;
if (byteBuf == null) {
byteBuf = buffer;
} else if (byteBuf instanceof CompositeByteBuf) {
CompositeByteBuf cbb = (CompositeByteBuf) byteBuf;
cbb.addComponent(buffer);
cbb.writerIndex(cbb.writerIndex() + buffer.readableBytes());
} else {
CompositeByteBuf cbb = compositeBuffer();
cbb.addComponents(byteBuf, buffer);
cbb.writerIndex(byteBuf.readableBytes() + buffer.readableBytes());
byteBuf = cbb;
}
}
if (last) {
completed = true;
} else {
if (buffer == null) {
throw new NullPointerException("buffer");
}
}
}
@Override
public Subobject parseSubobject(final ByteBuf buffer, final boolean loose)
throws PCEPDeserializerException {
Preconditions.checkArgument(
buffer != null && buffer.isReadable(),
"Array of bytes is mandatory. Can't be null or empty.");
if (buffer.readableBytes() < HEADER_LENGTH) {
throw new PCEPDeserializerException(
"Wrong length of array of bytes. Passed: "
+ buffer.readableBytes()
+ "; Expected: >"
+ HEADER_LENGTH
+ ".");
}
final BitArray reserved = BitArray.valueOf(buffer, FLAGS_SIZE);
final short cType = buffer.readUnsignedByte();
final LabelType labelType = this.registry.parseLabel(cType, buffer.slice());
if (labelType == null) {
throw new PCEPDeserializerException(
"Unknown C-TYPE for ero label subobject. Passed: " + cType);
}
final LabelBuilder builder = new LabelBuilder();
builder.setUniDirectional(reserved.get(U_FLAG_OFFSET));
builder.setLabelType(labelType);
return new SubobjectBuilder()
.setLoose(loose)
.setSubobjectType(new LabelCaseBuilder().setLabel(builder.build()).build())
.build();
}
@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
// System.out.println("decode:" + in.readableBytes());
if (in.readableBytes() > 4) {
in.markReaderIndex();
int needBytes = in.readInt();
// System.out.println("needBytes:" + needBytes);
if (in.readableBytes() >= needBytes) {
byte[] content = new byte[in.readableBytes()];
in.readBytes(content);
// byte[] data= ZLipHelper.decompress(content);
// System.out.println("data:" + new String(data));
Amf3Input amf3Input = new Amf3Input(SerializationContext.getSerializationContext());
// amf3Input = new Amf3Input(SerializationContext.getSerializationContext());
InputStream bais = new ByteArrayInputStream(content);
amf3Input.setInputStream(bais);
try {
Object decoded = amf3Input.readObject();
if (decoded != null) {
out.add(decoded);
// System.out.println("decoded:" + decoded);
}
} catch (Exception e) {
}
// amf3Input.close();
} else {
in.resetReaderIndex();
}
}
}
@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
Protocol.DirectionData prot = this.server ? this.protocol.TO_SERVER : this.protocol.TO_CLIENT;
ByteBuf copy = in.copy();
try {
int packetId = DefinedPacket.readVarInt(in);
DefinedPacket packet = null;
if (prot.hasPacket(packetId)) {
packet = prot.createPacket(packetId);
packet.read(in, prot.getDirection(), this.protocolVersion);
if (in.readableBytes() != 0) {
throw new BadPacketException(
"Did not read all bytes from packet "
+ packet.getClass()
+ " "
+ packetId
+ " Protocol "
+ this.protocol
+ " Direction "
+ prot);
}
} else {
in.skipBytes(in.readableBytes());
}
out.add(new PacketWrapper(packet, copy));
copy = null;
} finally {
if (copy != null) {
copy.release();
}
}
}
private void write(ByteBuf buff, boolean end) {
int readableBytes = buff.readableBytes();
if (readableBytes == 0 && !end) {
// nothing to write to the connection just return
return;
}
if (end) {
completed = true;
}
if (!end && !chunked && !contentLengthSet()) {
throw new IllegalStateException(
"You must set the Content-Length header to be the total size of the message "
+ "body BEFORE sending any data if you are not using HTTP chunked encoding.");
}
written += buff.readableBytes();
if (conn == null) {
if (pendingChunks == null) {
pendingChunks = buff;
} else {
CompositeByteBuf pending;
if (pendingChunks instanceof CompositeByteBuf) {
pending = (CompositeByteBuf) pendingChunks;
} else {
pending = Unpooled.compositeBuffer();
pending.addComponent(pendingChunks).writerIndex(pendingChunks.writerIndex());
pendingChunks = pending;
}
pending.addComponent(buff).writerIndex(pending.writerIndex() + buff.writerIndex());
}
connect();
} else {
if (!headWritten) {
writeHeadWithContent(buff, end);
} else {
if (end) {
if (buff.isReadable()) {
conn.writeToChannel(new DefaultLastHttpContent(buff, false));
} else {
conn.writeToChannel(LastHttpContent.EMPTY_LAST_CONTENT);
}
} else {
conn.writeToChannel(new DefaultHttpContent(buff));
}
}
if (end) {
conn.reportBytesWritten(written);
if (respHandler != null) {
conn.endRequest();
}
}
}
}
private SpdyHeadersFrame readHeaderBlockFrame(ByteBuf buffer) {
int streamId;
switch (type) {
case SPDY_SYN_STREAM_FRAME:
if (buffer.readableBytes() < 10) {
return null;
}
int offset = buffer.readerIndex();
streamId = getUnsignedInt(buffer, offset);
int associatedToStreamId = getUnsignedInt(buffer, offset + 4);
byte priority = (byte) (buffer.getByte(offset + 8) >> 5 & 0x07);
buffer.skipBytes(10);
length -= 10;
SpdySynStreamFrame spdySynStreamFrame =
new DefaultSpdySynStreamFrame(streamId, associatedToStreamId, priority);
spdySynStreamFrame.setLast((flags & SPDY_FLAG_FIN) != 0);
spdySynStreamFrame.setUnidirectional((flags & SPDY_FLAG_UNIDIRECTIONAL) != 0);
return spdySynStreamFrame;
case SPDY_SYN_REPLY_FRAME:
if (buffer.readableBytes() < 4) {
return null;
}
streamId = getUnsignedInt(buffer, buffer.readerIndex());
buffer.skipBytes(4);
length -= 4;
SpdySynReplyFrame spdySynReplyFrame = new DefaultSpdySynReplyFrame(streamId);
spdySynReplyFrame.setLast((flags & SPDY_FLAG_FIN) != 0);
return spdySynReplyFrame;
case SPDY_HEADERS_FRAME:
if (buffer.readableBytes() < 4) {
return null;
}
streamId = getUnsignedInt(buffer, buffer.readerIndex());
buffer.skipBytes(4);
length -= 4;
SpdyHeadersFrame spdyHeadersFrame = new DefaultSpdyHeadersFrame(streamId);
spdyHeadersFrame.setLast((flags & SPDY_FLAG_FIN) != 0);
return spdyHeadersFrame;
default:
throw new Error("Shouldn't reach here.");
}
}
/**
* Transfers data from the original message to the channel, encrypting it in the process.
*
* <p>This method also breaks down the original message into smaller chunks when needed. This is
* done to keep memory usage under control. This avoids having to copy the whole message data
* into memory at once, and can avoid ballooning memory usage when transferring large messages
* such as shuffle blocks.
*
* <p>The {@link #transfered()} counter also behaves a little funny, in that it won't go forward
* until a whole chunk has been written. This is done because the code can't use the actual
* number of bytes written to the channel as the transferred count (see {@link #count()}).
* Instead, once an encrypted chunk is written to the output (including its header), the size of
* the original block will be added to the {@link #transfered()} amount.
*/
@Override
public long transferTo(final WritableByteChannel target, final long position)
throws IOException {
Preconditions.checkArgument(position == transfered(), "Invalid position.");
long reportedWritten = 0L;
long actuallyWritten = 0L;
do {
if (currentChunk == null) {
nextChunk();
}
if (currentHeader.readableBytes() > 0) {
int bytesWritten = target.write(currentHeader.nioBuffer());
currentHeader.skipBytes(bytesWritten);
actuallyWritten += bytesWritten;
if (currentHeader.readableBytes() > 0) {
// Break out of loop if there are still header bytes left to write.
break;
}
}
actuallyWritten += target.write(currentChunk);
if (!currentChunk.hasRemaining()) {
// Only update the count of written bytes once a full chunk has been written.
// See method javadoc.
long chunkBytesRemaining = unencryptedChunkSize - currentReportedBytes;
reportedWritten += chunkBytesRemaining;
transferred += chunkBytesRemaining;
currentHeader.release();
currentHeader = null;
currentChunk = null;
currentChunkSize = 0;
currentReportedBytes = 0;
}
} while (currentChunk == null && transfered() + reportedWritten < count());
// Returning 0 triggers a backoff mechanism in netty which may harm performance. Instead,
// we return 1 until we can (i.e. until the reported count would actually match the size
// of the current chunk), at which point we resort to returning 0 so that the counts still
// match, at the cost of some performance. That situation should be rare, though.
if (reportedWritten != 0L) {
return reportedWritten;
}
if (actuallyWritten > 0 && currentReportedBytes < currentChunkSize - 1) {
transferred += 1L;
currentReportedBytes += 1L;
return 1L;
}
return 0L;
}
@Override
public ByteBuf translateFrame(ByteBuf readBuffer)
throws LimitExedeedException, InvalidDataException {
while (readBuffer.isReadable()) {
switch (status) {
case STATUS_H:
h = readBuffer.readByte();
status = STATUS_L;
break;
case STATUS_L:
l = readBuffer.readByte();
final int blen =
Protocol.order == ByteOrder.BIG_ENDIAN
? (0x0000ff00 & (h << 8)) | (0x000000ff & l)
: (0x0000ff00 & (l << 8)) | (0x000000ff & h);
if (context != null) {
if (blen <= 0 || blen > maxFrameSize) {
throw new LimitExedeedException("帧长度非法:" + h + "/" + l + ":" + blen);
}
}
incompleteframe = PooledByteBufAllocator.DEFAULT.buffer(blen + 16 + 2);
incompleteframe = incompleteframe.order(Protocol.order);
incompleteframe.writeShort(blen);
status = STATUS_C;
break;
case STATUS_C:
int len = incompleteframe.writableBytes() - 16;
len = len < readBuffer.readableBytes() ? len : readBuffer.readableBytes();
// incompleteframe.writeBytes(readBuffer, len);
if (readBuffer.hasMemoryAddress()) {
PlatformDependent.copyMemory(
readBuffer.memoryAddress() + readBuffer.readerIndex(),
incompleteframe.memoryAddress() + incompleteframe.writerIndex(),
len);
} else if (readBuffer.hasArray()) {
PlatformDependent.copyMemory(
readBuffer.array(),
readBuffer.arrayOffset() + readBuffer.readerIndex(),
incompleteframe.memoryAddress() + incompleteframe.writerIndex(),
len);
}
incompleteframe.writerIndex(incompleteframe.writerIndex() + len);
readBuffer.readerIndex(readBuffer.readerIndex() + len);
if ((incompleteframe.writableBytes() - 16) <= 0) {
status = STATUS_H;
return incompleteframe;
}
break;
}
}
return null;
}
@Override
public final void flushNow() {
if (inFlushNow || flushTaskInProgress != null) {
return;
}
inFlushNow = true;
ChannelHandlerContext ctx = directOutboundContext();
Throwable cause = null;
try {
if (ctx.hasOutboundByteBuffer()) {
ByteBuf out = ctx.outboundByteBuffer();
int oldSize = out.readableBytes();
try {
doFlushByteBuffer(out);
} catch (Throwable t) {
cause = t;
} finally {
final int newSize = out.readableBytes();
final int writtenBytes = oldSize - newSize;
if (writtenBytes > 0) {
flushFutureNotifier.increaseWriteCounter(writtenBytes);
if (newSize == 0) {
out.discardReadBytes();
}
}
}
} else {
MessageBuf<Object> out = ctx.outboundMessageBuffer();
int oldSize = out.size();
try {
doFlushMessageBuffer(out);
} catch (Throwable t) {
cause = t;
} finally {
flushFutureNotifier.increaseWriteCounter(oldSize - out.size());
}
}
if (cause == null) {
flushFutureNotifier.notifyFlushFutures();
} else {
flushFutureNotifier.notifyFlushFutures(cause);
if (cause instanceof IOException) {
close(voidFuture());
}
}
} finally {
inFlushNow = false;
}
}
private Object readControlFrame(ByteBuf buffer) {
int streamId;
int statusCode;
switch (type) {
case SPDY_RST_STREAM_FRAME:
if (buffer.readableBytes() < 8) {
return null;
}
streamId = getUnsignedInt(buffer, buffer.readerIndex());
statusCode = getSignedInt(buffer, buffer.readerIndex() + 4);
buffer.skipBytes(8);
return new DefaultSpdyRstStreamFrame(streamId, statusCode);
case SPDY_PING_FRAME:
if (buffer.readableBytes() < 4) {
return null;
}
int ID = getSignedInt(buffer, buffer.readerIndex());
buffer.skipBytes(4);
return new DefaultSpdyPingFrame(ID);
case SPDY_GOAWAY_FRAME:
if (buffer.readableBytes() < 8) {
return null;
}
int lastGoodStreamId = getUnsignedInt(buffer, buffer.readerIndex());
statusCode = getSignedInt(buffer, buffer.readerIndex() + 4);
buffer.skipBytes(8);
return new DefaultSpdyGoAwayFrame(lastGoodStreamId, statusCode);
case SPDY_WINDOW_UPDATE_FRAME:
if (buffer.readableBytes() < 8) {
return null;
}
streamId = getUnsignedInt(buffer, buffer.readerIndex());
int deltaWindowSize = getUnsignedInt(buffer, buffer.readerIndex() + 4);
buffer.skipBytes(8);
return new DefaultSpdyWindowUpdateFrame(streamId, deltaWindowSize);
default:
throw new Error("Shouldn't reach here.");
}
}
/**
* Load a string from the given buffer, reading first the two bytes of len and then the UTF-8
* bytes of the string.
*
* @return the decoded string or null if NEED_DATA
*/
static String decodeString(ByteBuf in) throws UnsupportedEncodingException {
if (in.readableBytes() < 2) {
return null;
}
// int strLen = Utils.readWord(in);
int strLen = in.readUnsignedShort();
if (in.readableBytes() < strLen) {
return null;
}
byte[] strRaw = new byte[strLen];
in.readBytes(strRaw);
return new String(strRaw, "UTF-8");
}
@Override
public ByteBuf readPacket() throws IOException {
Preconditions.checkState(!mClosed, "PacketReader is closed while reading packets.");
ByteBuf buf = null;
mLock.lock();
try {
while (true) {
if (mDone) {
return null;
}
if (mPacketReaderException != null) {
throw new IOException(mPacketReaderException);
}
buf = mPackets.poll();
// TODO(peis): Have a better criteria to resume so that we can have fewer state changes.
if (!tooManyPacketsPending()) {
resume();
}
// Queue is empty.
if (buf == null) {
try {
if (!mNotEmptyOrFailed.await(READ_TIMEOUT_MS, TimeUnit.MILLISECONDS)) {
throw new IOException(
String.format("Timeout while reading packet from block %d @ %s.", mId, mAddress));
}
} catch (InterruptedException e) {
throw Throwables.propagate(e);
}
} else {
if (buf.readableBytes() == 0) {
buf.release();
mDone = true;
return null;
}
mPosToRead += buf.readableBytes();
Preconditions.checkState(mPosToRead - mStart <= mBytesToRead);
return buf;
}
}
} catch (Throwable e) {
if (buf != null) {
buf.release();
}
throw e;
} finally {
mLock.unlock();
}
}
@Override
public void writeData(ByteBuf data) {
super.writeData(data);
ByteBuf tmpState = Unpooled.buffer();
tmpState.writeByte(stateList.size());
for (StateWithId stateWithId : stateList) {
tmpState.writeByte(stateWithId.stateId);
stateWithId.state.writeData(tmpState);
}
data.writeInt(tmpState.readableBytes());
data.writeBytes(tmpState.readBytes(tmpState.readableBytes()));
}
private void testCompress0(ZlibWrapper encoderWrapper, ZlibWrapper decoderWrapper, ByteBuf data)
throws Exception {
EmbeddedChannel chEncoder = new EmbeddedChannel(createEncoder(encoderWrapper));
chEncoder.writeOutbound(data.copy());
chEncoder.flush();
EmbeddedChannel chDecoderZlib = new EmbeddedChannel(createDecoder(decoderWrapper));
for (; ; ) {
ByteBuf deflatedData = chEncoder.readOutbound();
if (deflatedData == null) {
break;
}
chDecoderZlib.writeInbound(deflatedData);
}
byte[] decompressed = new byte[data.readableBytes()];
int offset = 0;
for (; ; ) {
ByteBuf buf = chDecoderZlib.readInbound();
if (buf == null) {
break;
}
int length = buf.readableBytes();
buf.readBytes(decompressed, offset, length);
offset += length;
buf.release();
if (offset == decompressed.length) {
break;
}
}
assertEquals(data, Unpooled.wrappedBuffer(decompressed));
assertNull(chDecoderZlib.readInbound());
// Closing an encoder channel will generate a footer.
assertTrue(chEncoder.finish());
for (; ; ) {
Object msg = chEncoder.readOutbound();
if (msg == null) {
break;
}
ReferenceCountUtil.release(msg);
}
// But, the footer will be decoded into nothing. It's only for validation.
assertFalse(chDecoderZlib.finish());
data.release();
}
@Override
public void fatalError(String message, String stack) {
if (log.isDebugEnabled()) {
log.debug("Sending HTTP error due to script error {}", message);
}
StringBuilder msg = new StringBuilder(message);
if (stack != null) {
msg.append('\n');
msg.append(stack);
}
ByteBuf data = Unpooled.copiedBuffer(msg, Charsets.UTF8);
response.setStatus(HttpResponseStatus.INTERNAL_SERVER_ERROR);
response.headers().add("Content-Type", "text/plain");
response.headers().add("Content-Length", data.readableBytes());
calculateKeepAlive(true);
channel.write(response);
DefaultHttpContent chunk = new DefaultHttpContent(data);
channel.write(chunk);
sendLastChunk();
channel.flush();
if (!keepAlive) {
shutDown();
}
}
public NettyMessage decode(ByteBuf in) throws Exception {
NettyMessage message = new NettyMessage();
Header header = new Header();
header.setCrcCode(in.readInt());
header.setLength(in.readInt());
header.setSessionID(in.readLong());
header.setType(in.readByte());
header.setPriority(in.readByte());
int size = in.readInt();
if (size > 0) {
Map<String, Object> attch = new HashMap<String, Object>(size);
int keySize = 0;
byte[] keyArray = null;
String key = null;
for (int i = 0; i < size; i++) {
keySize = in.readInt();
keyArray = new byte[keySize];
in.readBytes(keyArray);
key = new String(keyArray, "UTF-8");
attch.put(key, marshallingDecoder.decode(in));
}
keyArray = null;
key = null;
header.setAttachment(attch);
}
if (in.readableBytes() > 4) {
message.setBody(marshallingDecoder.decode(in));
}
message.setHeader(header);
return message;
}
public ByteBuf encode(NettyMessage msg) throws Exception {
ByteBuf sendBuf = Unpooled.buffer();
sendBuf.writeInt((msg.getHeader().getCrcCode()));
sendBuf.writeInt((msg.getHeader().getLength()));
sendBuf.writeLong((msg.getHeader().getSessionID()));
sendBuf.writeByte((msg.getHeader().getType()));
sendBuf.writeByte((msg.getHeader().getPriority()));
sendBuf.writeInt((msg.getHeader().getAttachment().size()));
String key = null;
byte[] keyArray = null;
Object value = null;
for (Map.Entry<String, Object> param : msg.getHeader().getAttachment().entrySet()) {
key = param.getKey();
keyArray = key.getBytes("UTF-8");
sendBuf.writeInt(keyArray.length);
sendBuf.writeBytes(keyArray);
value = param.getValue();
marshallingEncoder.encode(value, sendBuf);
}
key = null;
keyArray = null;
value = null;
if (msg.getBody() != null) {
marshallingEncoder.encode(msg.getBody(), sendBuf);
} else sendBuf.writeInt(0);
sendBuf.setInt(4, sendBuf.readableBytes());
return sendBuf;
}
private void handleChunk(
HttpContent chunk, //
final Channel channel, //
final NettyResponseFuture<?> future, //
AsyncHandler<?> handler)
throws IOException, Exception {
boolean interrupt = false;
boolean last = chunk instanceof LastHttpContent;
// Netty 4: the last chunk is not empty
if (last) {
LastHttpContent lastChunk = (LastHttpContent) chunk;
HttpHeaders trailingHeaders = lastChunk.trailingHeaders();
if (!trailingHeaders.isEmpty()) {
interrupt =
handler.onHeadersReceived(new HttpResponseHeaders(trailingHeaders, true))
!= State.CONTINUE;
}
}
ByteBuf buf = chunk.content();
if (!interrupt
&& !(handler instanceof StreamedAsyncHandler)
&& (buf.readableBytes() > 0 || last)) {
HttpResponseBodyPart part =
config.getResponseBodyPartFactory().newResponseBodyPart(buf, last);
interrupt = updateBodyAndInterrupt(future, handler, part);
}
if (interrupt || last) finishUpdate(future, channel, !last);
}
@Override
public boolean renameTo(File dest) throws IOException {
if (dest == null) {
throw new NullPointerException("dest");
}
if (byteBuf == null) {
// empty file
dest.createNewFile();
isRenamed = true;
return true;
}
int length = byteBuf.readableBytes();
FileOutputStream outputStream = new FileOutputStream(dest);
FileChannel fileChannel = outputStream.getChannel();
int written = 0;
if (byteBuf.nioBufferCount() == 1) {
ByteBuffer byteBuffer = byteBuf.nioBuffer();
while (written < length) {
written += fileChannel.write(byteBuffer);
}
} else {
ByteBuffer[] byteBuffers = byteBuf.nioBuffers();
while (written < length) {
written += fileChannel.write(byteBuffers);
}
}
fileChannel.force(false);
fileChannel.close();
outputStream.close();
isRenamed = true;
return written == length;
}
@Override
protected void encode(ChannelHandlerContext chc, SubscribeMessage message, ByteBuf out) {
if (message.subscriptions().isEmpty()) {
throw new IllegalArgumentException("Found a subscribe message with empty topics");
}
if (message.getQos() != AbstractMessage.QOSType.LEAST_ONE) {
throw new IllegalArgumentException(
"Expected a message with QOS 1, found " + message.getQos());
}
ByteBuf variableHeaderBuff = chc.alloc().buffer(4);
ByteBuf buff = null;
try {
variableHeaderBuff.writeShort(message.getMessageID());
for (SubscribeMessage.Couple c : message.subscriptions()) {
variableHeaderBuff.writeBytes(Utils.encodeString(c.topicFilter));
variableHeaderBuff.writeByte(c.qos);
}
int variableHeaderSize = variableHeaderBuff.readableBytes();
byte flags = Utils.encodeFlags(message);
buff = chc.alloc().buffer(2 + variableHeaderSize);
buff.writeByte(AbstractMessage.SUBSCRIBE << 4 | flags);
buff.writeBytes(Utils.encodeRemainingLength(variableHeaderSize));
buff.writeBytes(variableHeaderBuff);
out.writeBytes(buff);
} finally {
variableHeaderBuff.release();
buff.release();
}
}
public void consumePacket(ByteBuf data) {
int cnt = data.readableBytes() / 4;
dimensions = new int[cnt];
for (int i = 0; i < cnt; i++) {
dimensions[i] = data.readInt();
}
}
public Response(int id, int recipientID, String recipient, ByteBuf payload) {
this.id = id;
this.size = 20 + payload.readableBytes();
this.recipientID = recipientID;
this.recipient = recipient;
this.payload = payload;
}
@Override
public OFMeterFeaturesStatsReply readFrom(ByteBuf bb) throws OFParseError {
int start = bb.readerIndex();
// fixed value property version == 5
byte version = bb.readByte();
if (version != (byte) 0x5)
throw new OFParseError("Wrong version: Expected=OFVersion.OF_14(5), got=" + version);
// fixed value property type == 19
byte type = bb.readByte();
if (type != (byte) 0x13)
throw new OFParseError("Wrong type: Expected=OFType.STATS_REPLY(19), got=" + type);
int length = U16.f(bb.readShort());
if (length != 32) throw new OFParseError("Wrong length: Expected=32(32), got=" + length);
if (bb.readableBytes() + (bb.readerIndex() - start) < length) {
// Buffer does not have all data yet
bb.readerIndex(start);
return null;
}
if (logger.isTraceEnabled()) logger.trace("readFrom - length={}", length);
long xid = U32.f(bb.readInt());
// fixed value property statsType == 11
short statsType = bb.readShort();
if (statsType != (short) 0xb)
throw new OFParseError(
"Wrong statsType: Expected=OFStatsType.METER_FEATURES(11), got=" + statsType);
Set<OFStatsReplyFlags> flags = OFStatsReplyFlagsSerializerVer14.readFrom(bb);
// pad: 4 bytes
bb.skipBytes(4);
OFMeterFeatures features = OFMeterFeaturesVer14.READER.readFrom(bb);
OFMeterFeaturesStatsReplyVer14 meterFeaturesStatsReplyVer14 =
new OFMeterFeaturesStatsReplyVer14(xid, flags, features);
if (logger.isTraceEnabled()) logger.trace("readFrom - read={}", meterFeaturesStatsReplyVer14);
return meterFeaturesStatsReplyVer14;
}
@Override
public OFInstructionIdBsnAutoNegotiation readFrom(ByteBuf bb) throws OFParseError {
int start = bb.readerIndex();
// fixed value property type == 65535
short type = bb.readShort();
if (type != (short) 0xffff)
throw new OFParseError(
"Wrong type: Expected=OFInstructionType.EXPERIMENTER(65535), got=" + type);
int length = U16.f(bb.readShort());
if (length != 12) throw new OFParseError("Wrong length: Expected=12(12), got=" + length);
if (bb.readableBytes() + (bb.readerIndex() - start) < length) {
// Buffer does not have all data yet
bb.readerIndex(start);
return null;
}
if (logger.isTraceEnabled()) logger.trace("readFrom - length={}", length);
// fixed value property experimenter == 0x5c16c7L
int experimenter = bb.readInt();
if (experimenter != 0x5c16c7)
throw new OFParseError(
"Wrong experimenter: Expected=0x5c16c7L(0x5c16c7L), got=" + experimenter);
// fixed value property subtype == 0xbL
int subtype = bb.readInt();
if (subtype != 0xb)
throw new OFParseError("Wrong subtype: Expected=0xbL(0xbL), got=" + subtype);
if (logger.isTraceEnabled())
logger.trace("readFrom - returning shared instance={}", INSTANCE);
return INSTANCE;
}
@Override
public void appendMessages(Tpp tpp, Collection<MessageBatchWithRawData> batches)
throws Exception {
ByteBuf bodyBuf = Unpooled.buffer();
KafkaMessageBrokerSender sender = getSender(tpp.getTopic());
try {
for (MessageBatchWithRawData batch : batches) {
List<PartialDecodedMessage> pdmsgs = batch.getMessages();
for (PartialDecodedMessage pdmsg : pdmsgs) {
m_messageCodec.encodePartial(pdmsg, bodyBuf);
byte[] bytes = new byte[bodyBuf.readableBytes()];
bodyBuf.readBytes(bytes);
bodyBuf.clear();
ByteBuf propertiesBuf = pdmsg.getDurableProperties();
HermesPrimitiveCodec codec = new HermesPrimitiveCodec(propertiesBuf);
Map<String, String> propertiesMap = codec.readStringStringMap();
sender.send(tpp.getTopic(), propertiesMap.get("pK"), bytes);
BrokerStatusMonitor.INSTANCE.kafkaSend(tpp.getTopic());
}
}
} finally {
bodyBuf.release();
}
}
