Module record 

TLV Record Parsing

Provides parsing utilities for TLV (Type-Length-Value) encoded records from LANCE stream data.

Record Format

Each record in a LANCE stream follows the TLV format:

+--------+--------+------------------+
| Type   | Length | Value (payload)  |
| 1 byte | 4 bytes| variable         |
+--------+--------+------------------+

• Type: Record type identifier (1 byte)
• Length: Payload length in bytes (4 bytes, big-endian)
• Value: Record payload (variable length)

Example

use lnc_client::{RecordIterator, Record, RecordType};
use bytes::Bytes;

fn process_records(data: Bytes) {
    for result in RecordIterator::new(data) {
        match result {
            Ok(record) => {
                println!("Type: {:?}, Length: {}", record.record_type, record.payload.len());
            }
            Err(e) => {
                eprintln!("Parse error: {}", e);
                break;
            }
        }
    }
}

Structs

Record

A parsed TLV record

RecordIterator

Iterator over TLV records in a byte buffer

RecordParserConfig

Configuration for record parsing

Enums

RecordParseError

Error type for record parsing

RecordType

Record type identifiers

Constants

TLV_HEADER_SIZE

TLV header size in bytes (1 byte type + 4 bytes length)

Functions

encode_record

Encode a record to TLV format

encode_record_with_type

Encode a record with custom type byte

parse_record

Parse a single record from a byte buffer

parse_records

Parse all records from a byte buffer