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Rust

Receive Text up to a Delimiter Byte

See more Socket/SSL/TLS Examples

Demonstrates Socket.ReceiveStringUntilByte, which receives bytes until a specific raw byte value is found, then decodes the preceding bytes using StringCharset. The delimiter is excluded from the returned string.

Background. The delimiter search is purely byte-oriented and does not recognize character boundaries. A common delimiter is the linefeed byte (decimal 10).

Chilkat Rust Downloads

Rust

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

// Connect to the server using TLS.  The 3rd argument enables the TLS handshake after the TCP
// connection succeeds; the 4th is the maximum time to wait, in milliseconds.
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;
}

// StringCharset controls the character encoding used when sending and receiving text.
socket.set_string_charset("utf-8");
// Send a request using a simple application-defined text protocol in which each message ends with a
// CRLF.
let command = "STATUS\r\n".to_string();
if socket.send_string(&command).is_err() {
    println!("{}", socket.last_error_text());
    return;
}

// Receive bytes until a specific raw byte value is found, then decode the preceding bytes using
// StringCharset.  The delimiter itself is excluded from the returned string.  Here the delimiter is
// the linefeed byte (decimal 10).
let Ok(line) = socket.receive_string_until_byte(10) else {
    println!("{}", socket.last_error_text());
    return;
};

println!("{}", line);