Function decode_count_field

nodedb/src/control/server/broadcast.rs:379–388

(payload: &[u8], key: &str)

}

fn decode_count_field(payload: &[u8], key: &str) -> Option<usize> {
    if payload.is_empty() {
        return Some(0);
    }

    let json = nodedb_types::json_from_msgpack(payload)
        .ok()
        .or_else(|| sonic_rs::from_slice::<serde_json::Value>(payload).ok())?;
    json.get(key).and_then(|v| v.as_u64()).map(|v| v as usize)
}

fn encode_msgpack_array(rows: &[Vec<u8>]) -> Vec<u8> {
    let total_data: usize = rows.iter().map(|row| row.len()).sum();