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;
}
@Override
protected Object decode(ChannelHandlerContext ctx, ByteBuf in) throws Exception {
// TODO Auto-generated method stub
ByteBuf frame = (ByteBuf) super.decode(ctx, in);
if (frame == null) {
return null;
}
Message message = new Message();
Header header = new Header();
header.setSrcCode(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, nettyMarshallingDecoder.decode(ctx, in));
}
keyArray = null;
key = null;
header.setAttachment(attch);
}
return message;
}
@Override
public SocksRequest decode(ChannelHandlerContext ctx, ByteBuf byteBuf) throws Exception {
switch (state()) {
case CHECK_PROTOCOL_VERSION:
{
version = SocksMessage.ProtocolVersion.fromByte(byteBuf.readByte());
if (version != SocksMessage.ProtocolVersion.SOCKS5) {
break;
}
checkpoint(State.READ_AUTH_SCHEMES);
}
case READ_AUTH_SCHEMES:
{
authSchemes.clear();
authSchemeNum = byteBuf.readByte();
for (int i = 0; i < authSchemeNum; i++) {
authSchemes.add(SocksMessage.AuthScheme.fromByte(byteBuf.readByte()));
}
msg = new SocksInitRequest(authSchemes);
break;
}
}
ctx.pipeline().remove(this);
return msg;
}
@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
protected void decode(ChannelHandlerContext ctx, ByteBuf byteBuf, List<Object> out)
throws Exception {
switch (state()) {
case CHECK_NULL_BYTE:
{
if (byteBuf.readByte() != (byte) 0x00) {
break;
}
checkpoint(State.READ_CMD_HEADER);
}
case READ_CMD_HEADER:
{
cmdStatus = Socks4CmdStatus.valueOf(byteBuf.readByte());
checkpoint(State.READ_CMD_ADDRESS);
}
case READ_CMD_ADDRESS:
{
port = byteBuf.readUnsignedShort();
host = Socks4CommonUtils.intToIp(byteBuf.readInt());
msg = new Socks4CmdResponse(cmdStatus, host, port);
}
}
ctx.pipeline().remove(this);
out.add(msg);
}
@Override
public void fromBytes(ByteBuf buf) {
posX = buf.readInt();
posY = buf.readInt();
posZ = buf.readInt();
int size = buf.readInt();
data = new ArrayList(size);
for (int i = 0; i < size; i++) {
byte tag = buf.readByte();
if (tag == 0x00) {
data.add(buf.readChar());
} else if (tag == 0x01) {
data.add(readString(buf));
} else if (tag == 0x02) {
data.add(buf.readFloat());
} else if (tag == 0x03) {
data.add(buf.readDouble());
} else if (tag == 0x04) {
data.add(buf.readByte());
} else if (tag == 0x05) {
data.add(buf.readLong());
} else {
data.add(buf.readInt());
}
}
}
public void applyStates(ISyncedTile tile) throws IOException {
byte stateCount = state.readByte();
for (int i = 0; i < stateCount; i++) {
byte stateId = state.readByte();
tile.getStateInstance(stateId).readData(state);
tile.afterStateUpdated(stateId);
}
}
public BlockChangeMessage decode(ByteBuf buffer) throws IOException {
int x = buffer.readInt();
int y = buffer.readByte();
int z = buffer.readInt();
int type = ByteBufUtils.readVarInt(buffer);
int metadata = buffer.readByte();
return new BlockChangeMessage(x, y, z, type, metadata);
}
@Override
public void fromBytes(ByteBuf buf) {
this.x = buf.readInt();
this.y = buf.readInt();
this.z = buf.readInt();
this.orientation = buf.readByte();
this.state = buf.readByte();
int customNameLength = buf.readInt();
this.customName = new String(buf.readBytes(customNameLength).array());
int ownerLength = buf.readInt();
this.owner = new String(buf.readBytes(ownerLength).array());
}
@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;
}
ClayLump read(ByteBuf in) throws IOException {
minX = in.readByte();
minY = in.readByte();
minZ = in.readByte();
maxX = in.readByte();
maxY = in.readByte();
maxZ = in.readByte();
icon_id = DataUtil.getBlock(in.readShort());
icon_md = in.readByte();
icon_side = in.readByte();
quat = Quaternion.read(in);
return this;
}
@Override
public void fromBytes(ByteBuf buf) {
super.fromBytes(buf);
byte command = buf.readByte();
if (command == 0) {
mat = Mats.values()[buf.readByte()];
} else if (command == 1) {
enchant = buf.readShort();
} else if (command == 2) {
} else {
throw new InvalidParameterException();
}
}
@Override
public void readBytes(ByteBuf bytes) {
width = bytes.readByte();
height = bytes.readByte();
array = new byte[height][width];
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
array[y][x] = bytes.readByte();
}
}
}
@Test
public void testMemcachedRequestEncoder() {
MemcachedRequest request = new MemcachedRequest(Opcode.SET, "key1", "value1");
EmbeddedChannel channel = new EmbeddedChannel(new MemcachedRequestEncoder());
Assert.assertTrue(channel.writeOutbound(request));
ByteBuf encoded = (ByteBuf) channel.readOutbound();
Assert.assertNotNull(encoded);
Assert.assertEquals(request.magic(), encoded.readByte() & 0xFF);
Assert.assertEquals(request.opCode(), encoded.readByte() & 0xFF);
Assert.assertEquals(4, encoded.readShort());
Assert.assertEquals((byte) 0x08, encoded.readByte() & 0xFF);
Assert.assertEquals((byte) 0, encoded.readByte() & 0xFF);
Assert.assertEquals(0, encoded.readShort());
// 注意发送端发的什么位模式这里就收什么位模式。
// 其实这里也要注意，如果传的刚好是0x8000，解析出来也要注意符号的问题。主要要弄清java是怎么补位和截断，然后保证传的位模式不要被误解。
Assert.assertEquals(4 + 6 + 8, encoded.readInt());
Assert.assertEquals(request.id(), encoded.readInt());
Assert.assertEquals(request.cas(), encoded.readLong());
Assert.assertEquals(request.flags(), encoded.readInt());
Assert.assertEquals(request.expires(), encoded.readInt());
byte[] data = new byte[encoded.readableBytes()];
encoded.readBytes(data);
Assert.assertEquals((request.key() + request.body()).getBytes(CharsetUtil.UTF_8), data);
Assert.assertFalse(encoded.isReadable());
Assert.assertFalse(channel.finish());
Assert.assertNull(channel.readInbound());
}
public static OFFlowRemovedReason readFrom(ByteBuf bb) throws OFParseError {
try {
return ofWireValue(bb.readByte());
} catch (IllegalArgumentException e) {
throw new OFParseError(e);
}
}
@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
ChannelPipeline p = ctx.pipeline();
SocksProtocolVersion version = SocksProtocolVersion.valueOf(in.readByte());
System.out.println(version);
in.resetReaderIndex();
switch (version) {
case SOCKS4a:
p.addLast(new Socks4CmdRequestDecoder());
p.addLast(Socks4MessageEncoder.INSTANCE);
break;
case SOCKS5:
p.addLast(new Socks5InitRequestDecoder());
p.addLast(Socks5MessageEncoder.INSTANCE);
break;
case UNKNOWN:
in.clear();
ctx.close();
return;
}
p.addLast(SocksServerHandler.INSTANCE);
p.remove(this);
}
@Override
protected void decode(
ChannelHandlerContext channelHandlerContext, FMLProxyPacket fmlProxyPacket, List<Object> out)
throws Exception {
ByteBuf payload = fmlProxyPacket.payload();
byte discriminator = payload.readByte();
Class<? extends AbstractPacketOld> clazz = this.packets.get(discriminator);
if (clazz == null) {
throw new NullPointerException("No packet registered for discriminator: " + discriminator);
}
AbstractPacketOld packet = clazz.newInstance();
packet.decodeInto(channelHandlerContext, payload.slice());
EntityPlayer player;
switch (FMLCommonHandler.instance().getEffectiveSide()) {
case CLIENT:
player = PacketHandlerOld.getClientPlayer();
packet.handleClientSide(player);
break;
case SERVER:
INetHandler netHandler =
channelHandlerContext.channel().attr(NetworkRegistry.NET_HANDLER).get();
player = ((NetHandlerPlayServer) netHandler).playerEntity;
packet.handleServerSide(player);
break;
default:
}
out.add(packet);
}
@Override
public void split(ChannelHandlerContext ctx, ByteBuf input, List<Object> list) throws Exception {
input.markReaderIndex();
final byte[] array = new byte[3];
for (int i = 0; i < array.length; ++i) {
if (!input.isReadable()) {
input.resetReaderIndex();
return;
}
array[i] = input.readByte();
if (array[i] >= 0) {
final PacketDataSerializer packetDataSerializer =
new PacketDataSerializer(
Unpooled.wrappedBuffer(array), ProtocolVersion.MINECRAFT_1_7_10);
try {
final int length = packetDataSerializer.readVarInt();
if (input.readableBytes() < length) {
input.resetReaderIndex();
return;
}
list.add(input.readBytes(length));
return;
} finally {
packetDataSerializer.release();
}
}
}
throw new CorruptedFrameException("length wider than 21-bit");
}
@Override
public void fromBytes(ByteBuf buf) {
data = Unpooled.buffer();
while (buf.readableBytes() > 0) {
data.writeByte(buf.readByte());
}
this.index = data.readInt();
}
private byte[] getPayloadFromByteBuf(ByteBuf buf) {
int length = buf.readableBytes();
byte[] ret = new byte[length];
for (int i = 0; i < length; i++) {
ret[i] = buf.readByte();
}
return ret;
}
@Override
public void fromBytes(ByteBuf buf) {
x = buf.readInt();
y = buf.readInt();
z = buf.readInt();
_freq = buf.readInt();
_isPublic = buf.readBoolean();
_state = buf.readByte();
}
public void handlePacket(ByteBuf buf) {
int sides = buf.readUnsignedByte();
enabledSides = (byte) (sides & 15);
invertedSides = (byte) (sides >> 4);
for (int i = 0; i <= 3; i++) {
inputs[i] = outputClient[i] = 0;
EnumFacing dir = EnumFacing.getFront(i + 2);
if (getType(dir) != Connection.NONE) {
if (getType(dir).isInput()) {
inputs[i] = buf.readByte();
} else {
outputClient[i] = buf.readByte();
}
}
}
markRenderUpdate();
}
@Override
public void handlePacket(ByteBuf data) {
super.handlePacket(data);
if (type == WireKind.NORMAL) {
byte d = data.readByte();
signalLevel = d << 8;
markRenderUpdate();
}
}
// automatic.
public PacketMatterCannon(ByteBuf stream) {
this.x = stream.readFloat();
this.y = stream.readFloat();
this.z = stream.readFloat();
this.dx = stream.readFloat();
this.dy = stream.readFloat();
this.dz = stream.readFloat();
this.len = stream.readByte();
}
@Override
public OFBsnSetPktinSuppressionRequest readFrom(ByteBuf bb) throws OFParseError {
int start = bb.readerIndex();
// fixed value property version == 3
byte version = bb.readByte();
if (version != (byte) 0x3)
throw new OFParseError("Wrong version: Expected=OFVersion.OF_12(3), got=" + version);
// fixed value property type == 4
byte type = bb.readByte();
if (type != (byte) 0x4)
throw new OFParseError("Wrong type: Expected=OFType.EXPERIMENTER(4), 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 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);
boolean enabled = (bb.readByte() != 0);
// pad: 1 bytes
bb.skipBytes(1);
int idleTimeout = U16.f(bb.readShort());
int hardTimeout = U16.f(bb.readShort());
int priority = U16.f(bb.readShort());
U64 cookie = U64.ofRaw(bb.readLong());
OFBsnSetPktinSuppressionRequestVer12 bsnSetPktinSuppressionRequestVer12 =
new OFBsnSetPktinSuppressionRequestVer12(
xid, enabled, idleTimeout, hardTimeout, priority, cookie);
if (logger.isTraceEnabled())
logger.trace("readFrom - read={}", bsnSetPktinSuppressionRequestVer12);
return bsnSetPktinSuppressionRequestVer12;
}
/** decode stream to object */
public ResponseSocketBlock decode(ByteBuf buf) throws IOException {
// * --------------------------------------------------------bytes =13
// * byte[1] version RSF版本(0x80)
byte version = buf.readByte();
// * byte[8] requestID 包含的请求ID
long requestID = buf.readLong();
// * byte[1] keepData 保留区
buf.skipBytes(1);
// * byte[3] contentLength 内容大小
buf.skipBytes(3); // .readUnsignedMedium()
//
ResponseSocketBlock res = new ResponseSocketBlock();
res.setVersion(version);
res.setRequestID(requestID);
// * --------------------------------------------------------bytes =8
// * byte[2] status 响应状态
res.setStatus(buf.readShort());
// * byte[2] serializeType-(attr-index) 序列化策略
res.setSerializeType(buf.readShort());
// * byte[2] returnType-(attr-index) 返回类型
res.setReturnType(buf.readShort());
// * byte[2] returnData-(attr-index) 返回数据
res.setReturnData(buf.readShort());
// * --------------------------------------------------------bytes =1 ~ 1021
// * byte[1] optionCount 选项参数总数
byte optionCount = buf.readByte();
for (int i = 0; i < optionCount; i++) {
// * byte[4] attr-0-(attr-index,attr-index) 选项参数
int mergeData = buf.readInt();
res.addOption(mergeData);
}
// * --------------------------------------------------------bytes =6 ~ 8192
// * byte[2] attrPool-size (Max = 2047) 池大小
short attrPoolSize = buf.readShort();
for (int i = 0; i < attrPoolSize; i++) {
// * byte[4] att-length 属性1大小
int length = buf.readInt();
res.addPoolData(length);
}
// * --------------------------------------------------------bytes =n
// * dataBody 数据内容
res.fillFrom(buf.readBytes(res.getPoolSize()));
return res;
}
public StationFrameData(String ip, ByteBuf data) {
this.ip = ip;
byte labelCount = data.readByte();
if (labelCount <= 0) {
throw new ClientException(ErrorCode.INVALID_REQUEST, "收到的标签数量为负数：" + labelCount);
}
labelInfos = new LabelInfo[labelCount];
for (int i = 0; i < labelCount; i++) {
long labelId = data.readLong();
byte rssi = data.readByte();
byte power = data.readByte();
LabelInfo labelInfo = new LabelInfo(labelId, rssi, power);
labelInfos[i] = labelInfo;
}
time = System.currentTimeMillis();
}
public DestroyAllIdentificator(ByteBuf pBuf, int pTargetOrMeta, int pChainOrMeta) {
this();
// Target
if (pBuf.isReadable(4)) {
for (int li = pBuf.readInt(); li > 0; li--) {
add(pBuf.readInt(), pBuf.readByte() | pTargetOrMeta);
}
}
// Chain
if (pBuf.isReadable(4)) {
int li = pBuf.readInt();
if (li > 0) {
chain = new DestroyAllIdentificator();
for (; li > 0; li--) {
chain.add(pBuf.readInt(), pBuf.readByte() | pChainOrMeta);
}
}
}
}
private void processHeaderState(ByteBuf in) throws Http2Exception {
if (in.readableBytes() < FRAME_HEADER_LENGTH) {
// Wait until the entire frame header has been read.
return;
}
// Read the header and prepare the unmarshaller to read the frame.
payloadLength = in.readUnsignedMedium();
if (payloadLength > maxFrameSize) {
throw connectionError(
PROTOCOL_ERROR, "Frame length: %d exceeds maximum: %d", payloadLength, maxFrameSize);
}
frameType = in.readByte();
flags = new Http2Flags(in.readUnsignedByte());
streamId = readUnsignedInt(in);
switch (frameType) {
case DATA:
verifyDataFrame();
break;
case HEADERS:
verifyHeadersFrame();
break;
case PRIORITY:
verifyPriorityFrame();
break;
case RST_STREAM:
verifyRstStreamFrame();
break;
case SETTINGS:
verifySettingsFrame();
break;
case PUSH_PROMISE:
verifyPushPromiseFrame();
break;
case PING:
verifyPingFrame();
break;
case GO_AWAY:
verifyGoAwayFrame();
break;
case WINDOW_UPDATE:
verifyWindowUpdateFrame();
break;
case CONTINUATION:
verifyContinuationFrame();
break;
default:
// Unknown frame type, could be an extension.
break;
}
// Start reading the payload for the frame.
state = State.FRAME_PAYLOAD;
}
@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) { // (2)
ByteBuf in = (ByteBuf) msg;
try {
while (in.isReadable()) { // (1)
System.out.print((char) in.readByte());
System.out.flush();
}
} finally {
ReferenceCountUtil.release(msg); // (2)
}
}