@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;
}