Rust

Send a 32-bit Integer over a Socket

Demonstrates Socket.SendInt32, which sends a value as a four-byte signed integer in the selected byte order.

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;
}

// Send the value as a four-byte signed integer.  Use true for network byte order (big-endian) or
// false for little-endian.
let b_big_endian = true;
if socket.send_int32(1000000, b_big_endian).is_err() {
    println!("{}", socket.last_error_text());
    return;
}

println!("32-bit integer sent.");