@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;
}
/**
* Deserialize an object from a given byte buffer.
*
* @param b The bytebuf to deserialize.
* @return The deserialized object.
*/
@Override
public Object deserialize(ByteBuf b, CorfuRuntime rt) {
int classNameLength = b.readShort();
byte[] classNameBytes = new byte[classNameLength];
b.readBytes(classNameBytes, 0, classNameLength);
String className = new String(classNameBytes);
if (className.equals("null")) {
return null;
} else if (className.equals("CorfuObject")) {
int SMRClassNameLength = b.readShort();
byte[] SMRClassNameBytes = new byte[SMRClassNameLength];
b.readBytes(SMRClassNameBytes, 0, SMRClassNameLength);
String SMRClassName = new String(SMRClassNameBytes);
try {
return rt.getObjectsView()
.build()
.setStreamID(new UUID(b.readLong(), b.readLong()))
.setType(Class.forName(SMRClassName))
.open();
} catch (ClassNotFoundException cnfe) {
log.error("Exception during deserialization!", cnfe);
throw new RuntimeException(cnfe);
}
} else {
try (ByteBufInputStream bbis = new ByteBufInputStream(b)) {
try (InputStreamReader r = new InputStreamReader(bbis)) {
return gson.fromJson(r, Class.forName(className));
}
} catch (IOException | ClassNotFoundException ie) {
log.error("Exception during deserialization!", ie);
throw new RuntimeException(ie);
}
}
}
@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 OFFlowStatsEntry readFrom(ByteBuf bb) throws OFParseError {
int start = bb.readerIndex();
int length = U16.f(bb.readShort());
if (length < MINIMUM_LENGTH)
throw new OFParseError(
"Wrong length: Expected to be >= " + MINIMUM_LENGTH + ", was: " + 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);
TableId tableId = TableId.readByte(bb);
// pad: 1 bytes
bb.skipBytes(1);
long durationSec = U32.f(bb.readInt());
long durationNsec = U32.f(bb.readInt());
int priority = U16.f(bb.readShort());
int idleTimeout = U16.f(bb.readShort());
int hardTimeout = U16.f(bb.readShort());
Set<OFFlowModFlags> flags = OFFlowModFlagsSerializerVer14.readFrom(bb);
int importance = U16.f(bb.readShort());
// pad: 2 bytes
bb.skipBytes(2);
U64 cookie = U64.ofRaw(bb.readLong());
U64 packetCount = U64.ofRaw(bb.readLong());
U64 byteCount = U64.ofRaw(bb.readLong());
Match match = ChannelUtilsVer14.readOFMatch(bb);
List<OFInstruction> instructions =
ChannelUtils.readList(bb, length - (bb.readerIndex() - start), OFInstructionVer14.READER);
OFFlowStatsEntryVer14 flowStatsEntryVer14 =
new OFFlowStatsEntryVer14(
tableId,
durationSec,
durationNsec,
priority,
idleTimeout,
hardTimeout,
flags,
importance,
cookie,
packetCount,
byteCount,
match,
instructions);
if (logger.isTraceEnabled()) logger.trace("readFrom - read={}", flowStatsEntryVer14);
return flowStatsEntryVer14;
}
@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 OFPortModFailedCode readFrom(ByteBuf bb) throws OFParseError {
try {
return ofWireValue(bb.readShort());
} catch (IllegalArgumentException e) {
throw new OFParseError(e);
}
}
@Override
public void encode(ChannelHandlerContext ctx, ByteBuf in, ByteBuf out) throws Exception {
while (in.readableBytes() >= 2) {
int value = in.readShort();
out.writeChar(value * value);
}
}
@Override
public void readFrom(ByteBuf fromBuffer) {
short length = fromBuffer.readShort();
byte[] array = new byte[length];
fromBuffer.readBytes(array);
this.command = new String(array, PROTOCOL_ENCODING);
}
protected void checkCloseFrameBody(ChannelHandlerContext ctx, ByteBuf buffer) {
if (buffer == null || buffer.capacity() == 0) {
return;
}
if (buffer.capacity() == 1) {
protocolViolation(ctx, "Invalid close frame body");
}
// Save reader index
int idx = buffer.readerIndex();
buffer.readerIndex(0);
// Must have 2 byte integer within the valid range
int statusCode = buffer.readShort();
if (statusCode >= 0 && statusCode <= 999
|| statusCode >= 1004 && statusCode <= 1006
|| statusCode >= 1012 && statusCode <= 2999) {
protocolViolation(ctx, "Invalid close frame getStatus code: " + statusCode);
}
// May have UTF-8 message
if (buffer.isReadable()) {
try {
new UTF8Output(buffer);
} catch (UTF8Exception ex) {
protocolViolation(ctx, "Invalid close frame reason text. Invalid UTF-8 bytes");
}
}
// Restore reader index
buffer.readerIndex(idx);
}
public void readData(ByteBuf data) {
id = data.readShort();
parseData(data.readUnsignedShort(), data.readUnsignedByte());
dX = data.readFloat();
dY = data.readFloat();
dZ = data.readFloat();
}
@Override
public void fromBytes(final ByteBuf stream) {
// Read the id
short id = stream.readShort();
if (id == -1) {
// Invalid packet
ThELog.warning("Unknown packet detected");
return;
}
// Get the class for that id
Class epClass = NetworkHandler.getPacketClassFromID(id);
if (epClass == null) {
return;
}
// Construct the class
try {
this.embeddedPacket = (ThEBasePacket) epClass.newInstance();
// Pass to packet
this.embeddedPacket.fromBytes(stream);
} catch (Exception e) {
// Packet did not have default constructor
ThELog.warning("Unable to construct packet %s", epClass.getCanonicalName());
}
}
@Override
protected void readFromPacket(ByteBuf buffer) {
super.readFromPacket(buffer);
if (buffer.readInt() == 6) {
this.PowerVal1 = buffer.readShort();
this.PowerVal2 = buffer.readShort();
}
}
@Override
public void unmarshallMessage(ByteBuf cb) {
slaveServerId = cb.readInt();
reportHost = MysqlAPIUtils.getLengthCodedString(cb);
reportUser = MysqlAPIUtils.getLengthCodedString(cb);
reportPassword = MysqlAPIUtils.getLengthCodedString(cb);
reportPort = cb.readShort();
}
public static ItemStack readItemstack(ByteBuf in) {
int id = in.readShort();
if (id == -1) return null;
int count = in.readByte();
int damage = in.readShort();
int dataLength = in.readShort();
byte[] nbtData = null;
if (dataLength > 0) {
nbtData = new byte[dataLength];
in.readBytes(nbtData);
}
return new ItemStack(id, count, damage);
}
@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;
}
@Override
public OFBsnTlvMissPackets readFrom(ByteBuf bb) throws OFParseError {
int start = bb.readerIndex();
// fixed value property type == 0xd
short type = bb.readShort();
if (type != (short) 0xd) throw new OFParseError("Wrong type: Expected=0xd(0xd), 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);
U64 value = U64.ofRaw(bb.readLong());
OFBsnTlvMissPacketsVer13 bsnTlvMissPacketsVer13 = new OFBsnTlvMissPacketsVer13(value);
if (logger.isTraceEnabled()) logger.trace("readFrom - read={}", bsnTlvMissPacketsVer13);
return bsnTlvMissPacketsVer13;
}
@Override
public OFPortStatsPropExperimenter readFrom(ByteBuf bb) throws OFParseError {
if (bb.readableBytes() < MINIMUM_LENGTH) return null;
int start = bb.readerIndex();
// fixed value property type == 0xffff
short type = bb.readShort();
if (type != (short) 0xffff)
throw new OFParseError("Wrong type: Expected=0xffff(0xffff), got=" + type);
int length = U16.f(bb.readShort());
if (length < MINIMUM_LENGTH)
throw new OFParseError(
"Wrong length: Expected to be >= " + MINIMUM_LENGTH + ", was: " + length);
int experimenter = bb.readInt();
bb.readerIndex(start);
switch (experimenter) {
default:
throw new OFParseError(
"Unknown value for discriminator experimenter of class OFPortStatsPropExperimenterVer14: "
+ experimenter);
}
}
@Override
public void readClient(ByteBuf in) {
worldId = in.readInt();
xPos = in.readInt();
zPos = in.readInt();
pos.x = in.readInt();
pos.y = in.readShort();
pos.z = in.readInt();
in.readBytes(array);
}
public static byte[] a(ByteBuf bytebuf) {
short short1 = bytebuf.readShort();
if (short1 < 0) {
throw new IOException("Key was smaller than nothing! Weird key!");
} else {
byte[] abyte = new byte[short1];
bytebuf.readBytes(abyte);
return abyte;
}
}
@Override
public OFBsnTlvStatus readFrom(ByteBuf bb) throws OFParseError {
int start = bb.readerIndex();
// fixed value property type == 0x61
short type = bb.readShort();
if (type != (short) 0x61)
throw new OFParseError("Wrong type: Expected=0x61(0x61), got=" + type);
int length = U16.f(bb.readShort());
if (length != 5) throw new OFParseError("Wrong length: Expected=5(5), 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);
OFBsnStatus value = OFBsnStatusSerializerVer13.readFrom(bb);
OFBsnTlvStatusVer13 bsnTlvStatusVer13 = new OFBsnTlvStatusVer13(value);
if (logger.isTraceEnabled()) logger.trace("readFrom - read={}", bsnTlvStatusVer13);
return bsnTlvStatusVer13;
}
public static NBTTagCompound readNBTTagCompound(ByteBuf fullBuffer) throws IOException {
short short1 = fullBuffer.readShort(); // par0DataInput.readShort();
if (short1 < 0) {
return null;
} else {
byte[] abyte = new byte[short1];
fullBuffer.readBytes(abyte);
return CompressedStreamTools.func_152457_a(abyte, new NBTSizeTracker(2097152L));
// return CompressedStreamTools.decompress(abyte);
}
}
@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 OFActionCopyTtlIn readFrom(ByteBuf bb) throws OFParseError {
int start = bb.readerIndex();
// fixed value property type == 12
short type = bb.readShort();
if (type != (short) 0xc)
throw new OFParseError("Wrong type: Expected=OFActionType.COPY_TTL_IN(12), got=" + type);
int length = U16.f(bb.readShort());
if (length != 8) throw new OFParseError("Wrong length: Expected=8(8), 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);
// pad: 4 bytes
bb.skipBytes(4);
if (logger.isTraceEnabled())
logger.trace("readFrom - returning shared instance={}", INSTANCE);
return INSTANCE;
}
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 LispMapNotify readFrom(ByteBuf byteBuf) throws LispParseError, LispReaderException {
if (byteBuf.readerIndex() != 0) {
return null;
}
// skip first three bytes as they represent type and reserved fields
byteBuf.skipBytes(RESERVED_SKIP_LENGTH);
// record count -> 8 bits
byte recordCount = (byte) byteBuf.readUnsignedByte();
// nonce -> 64 bits
long nonce = byteBuf.readLong();
// keyId -> 16 bits
short keyId = byteBuf.readShort();
// authenticationDataLength -> 16 bits
short authLength = byteBuf.readShort();
// authenticationData -> depends on the authenticationDataLength
byte[] authData = new byte[authLength];
byteBuf.readBytes(authData);
List<LispMapRecord> mapRecords = Lists.newArrayList();
for (int i = 0; i < recordCount; i++) {
mapRecords.add(new DefaultLispMapRecord.MapRecordReader().readFrom(byteBuf));
}
return new DefaultNotifyBuilder()
.withRecordCount(recordCount)
.withNonce(nonce)
.withKeyId(keyId)
.withAuthenticationData(authData)
.withMapRecords(mapRecords)
.build();
}
/** 解密 */
@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
if (in.readableBytes() < 4) {
return;
}
int header = in.readShort();
int packetLength = in.readShort();
// 预解密长度信息成功，回溯位置
in.readerIndex(in.readerIndex() - 4);
// 如果不是标识头，发送给客户端说，断开连接
if (header != Message.HEADER || packetLength < Message.HEAD_SIZE) {
// 数据包长度错误，断开连接
LogUtil.error(
String.format(
"error packet length: packetlength=%d Packet.HDR_SIZE=%d",
packetLength, Message.HEAD_SIZE));
LogUtil.error(
String.format(
"Disconnect the client:%s",
((InetSocketAddress) ctx.channel().remoteAddress()).getHostName()));
ctx.channel().close();
return;
}
if (in.readableBytes() < packetLength) {
// 数据长度不足，等待下次接收
return;
}
// 读取数据并解密数据
byte[] data = new byte[packetLength];
in.getBytes(in.readerIndex(), data, 0, packetLength);
in.readerIndex(in.readerIndex() + packetLength);
Message packet = Message.build(data);
if (packet != null) {
out.add(packet);
}
return;
}
@Override
public OFActionSetDlSrc readFrom(ByteBuf bb) throws OFParseError {
int start = bb.readerIndex();
// fixed value property type == 4
short type = bb.readShort();
if (type != (short) 0x4)
throw new OFParseError("Wrong type: Expected=OFActionType.SET_DL_SRC(4), got=" + type);
int length = U16.f(bb.readShort());
if (length != 16) throw new OFParseError("Wrong length: Expected=16(16), 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);
MacAddress dlAddr = MacAddress.read6Bytes(bb);
// pad: 6 bytes
bb.skipBytes(6);
OFActionSetDlSrcVer10 actionSetDlSrcVer10 = new OFActionSetDlSrcVer10(dlAddr);
if (logger.isTraceEnabled()) logger.trace("readFrom - read={}", actionSetDlSrcVer10);
return actionSetDlSrcVer10;
}
@Override
public OFExperimenterStatsReply readFrom(ByteBuf bb) throws OFParseError {
if (bb.readableBytes() < MINIMUM_LENGTH) return null;
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 == 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 < MINIMUM_LENGTH)
throw new OFParseError(
"Wrong length: Expected to be >= " + MINIMUM_LENGTH + ", was: " + length);
U32.f(bb.readInt());
// fixed value property statsType == 65535
short statsType = bb.readShort();
if (statsType != (short) 0xffff)
throw new OFParseError(
"Wrong statsType: Expected=OFStatsType.EXPERIMENTER(65535), got=" + statsType);
OFStatsReplyFlagsSerializerVer12.readFrom(bb);
// pad: 4 bytes
bb.skipBytes(4);
int experimenter = bb.readInt();
bb.readerIndex(start);
switch (experimenter) {
case 0x5c16c7:
// discriminator value 0x5c16c7L=0x5c16c7L for class OFBsnStatsReplyVer12
return OFBsnStatsReplyVer12.READER.readFrom(bb);
default:
throw new OFParseError(
"Unknown value for discriminator experimenter of class OFExperimenterStatsReplyVer12: "
+ experimenter);
}
}
@Override
public OFMeterStatsReply 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 < MINIMUM_LENGTH)
throw new OFParseError(
"Wrong length: Expected to be >= " + MINIMUM_LENGTH + ", was: " + 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 == 9
short statsType = bb.readShort();
if (statsType != (short) 0x9)
throw new OFParseError("Wrong statsType: Expected=OFStatsType.METER(9), got=" + statsType);
Set<OFStatsReplyFlags> flags = OFStatsReplyFlagsSerializerVer14.readFrom(bb);
// pad: 4 bytes
bb.skipBytes(4);
List<OFMeterStats> entries =
ChannelUtils.readList(bb, length - (bb.readerIndex() - start), OFMeterStatsVer14.READER);
OFMeterStatsReplyVer14 meterStatsReplyVer14 = new OFMeterStatsReplyVer14(xid, flags, entries);
if (logger.isTraceEnabled()) logger.trace("readFrom - read={}", meterStatsReplyVer14);
return meterStatsReplyVer14;
}
