Chunked encoding in Lua

chunked_encoding.lua

function chunked_encoding(socket, data)
  local chunk_size = 1024

  -- Iterate over the data in chunks of chunk_size
  for i = 1, #data, chunk_size do
    local chunk = data:sub(i, i + chunk_size - 1)

    -- Calculate the length of the chunk in hexadecimal format
    local length = string.format("%X\r\n", #chunk)

    -- Prefix the chunk with the length and CR LF characters
    local encoded_chunk = length .. chunk .. "\r\n"

    -- Send the encoded chunk to the socket
    socket:send(encoded_chunk)
  end

  -- Send a final chunk with a length of "0" to indicate the end of the chunked encoding
  socket:send("0\r\n")
end