84     pub(crate) fn unmarshal(raw: &Bytes) -> Result<Self> {  in unmarshal()
85         if raw.len() < PACKET_HEADER_SIZE {  in unmarshal()
89         let reader = &mut raw.clone();  in unmarshal()
99             let our_checksum = generate_packet_checksum(raw);  in unmarshal()
110             if offset == raw.len() {  in unmarshal()
112             } else if offset + CHUNK_HEADER_SIZE > raw.len() {  in unmarshal()
116             let ct = ChunkType(raw[offset]);  in unmarshal()
118                 CT_INIT => Box::new(ChunkInit::unmarshal(&raw.slice(offset..))?),  in unmarshal()
119                 CT_INIT_ACK => Box::new(ChunkInit::unmarshal(&raw.slice(offset..))?),  in unmarshal()
120                 CT_ABORT => Box::new(ChunkAbort::unmarshal(&raw.slice(offset..))?),  in unmarshal()
121                 CT_COOKIE_ECHO => Box::new(ChunkCookieEcho::unmarshal(&raw.slice(offset..))?),  in unmarshal()
122                 CT_COOKIE_ACK => Box::new(ChunkCookieAck::unmarshal(&raw.slice(offset..))?),  in unmarshal()
123                 CT_HEARTBEAT => Box::new(ChunkHeartbeat::unmarshal(&raw.slice(offset..))?),  in unmarshal()
124                 CT_PAYLOAD_DATA => Box::new(ChunkPayloadData::unmarshal(&raw.slice(offset..))?),  in unmarshal()
125                 CT_SACK => Box::new(ChunkSelectiveAck::unmarshal(&raw.slice(offset..))?),  in unmarshal()
126                 CT_RECONFIG => Box::new(ChunkReconfig::unmarshal(&raw.slice(offset..))?),  in unmarshal()
127                 CT_FORWARD_TSN => Box::new(ChunkForwardTsn::unmarshal(&raw.slice(offset..))?),  in unmarshal()
128                 CT_ERROR => Box::new(ChunkError::unmarshal(&raw.slice(offset..))?),  in unmarshal()
129                 CT_SHUTDOWN => Box::new(ChunkShutdown::unmarshal(&raw.slice(offset..))?),  in unmarshal()
130                 CT_SHUTDOWN_ACK => Box::new(ChunkShutdownAck::unmarshal(&raw.slice(offset..))?),  in unmarshal()
132                     Box::new(ChunkShutdownComplete::unmarshal(&raw.slice(offset..))?)  in unmarshal()
134                 _ => Box::new(ChunkUnknown::unmarshal(&raw.slice(offset..))?),  in unmarshal()