Rust

Receive a 16-bit Integer from a Socket

Demonstrates Socket.ReceiveInt16, which reads exactly two bytes as a 16-bit integer and stores the result in the ReceivedInt property. Byte order and signedness are selectable.

Background. Fixed-size integers and length prefixes are common building blocks for application-defined binary protocols. Byte order is selectable, with big-endian being network byte order.

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Rust


let socket = chilkat::Socket::new();

// Connect to the server using TLS.
let b_tls = true;
let max_wait_ms = 5000;
if socket.connect("example.com", 5000, b_tls, max_wait_ms).is_err() {
    println!("{}", socket.last_error_text());
    return;
}

// Read exactly two bytes as a 16-bit integer and store the result in the ReceivedInt property.
// The 1st argument selects byte order (true = big-endian); the 2nd selects unsigned interpretation.
let b_big_endian = true;
let b_unsigned = false;
if socket.receive_int16(b_big_endian, b_unsigned).is_err() {
    println!("{}", socket.last_error_text());
    return;
}

println!("Received 16-bit integer: {}", socket.received_int());