Lua

Receive Bytes into a BinData

Demonstrates Socket.ReceiveBd, which receives one delivery of binary data and appends it to a BinData. It returns whatever is immediately available.

Background. The BinData receive methods accumulate raw bytes in a BinData object. A single receive returns only what is currently available, whereas the counted receive waits for an exact number of bytes.

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Lua

local chilkat = require("chilkat")

local socket = chilkat.Socket.new()

-- Connect to the server using TLS.
local bTls = true
local maxWaitMs = 5000
local success = socket:connect("example.com", 5000, bTls, maxWaitMs)
if not success then
    print(socket.last_error_text)
    return
end

-- Receive one delivery of binary data and append it to a BinData.  ReceiveBd returns whatever is
-- immediately available; it does not loop to drain everything that may follow.
local bd = chilkat.BinData.new()
success = socket:receive_bd(bd)
if not success then
    print(socket.last_error_text)
    return
end

print("Received " .. bd.num_bytes .. " bytes.")