12 lines
383 B
Rust
12 lines
383 B
Rust
use std::net::TcpListener;
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pub fn get_available_port(avoid: u16) -> Option<u16> {
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// Start after "well-known" ports (0–1023) as they require superuser
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// privileges on UNIX-like operating systems.
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(1024..9000).find(|port| *port != avoid && port_is_available(*port))
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}
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pub fn port_is_available(port: u16) -> bool {
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TcpListener::bind(("127.0.0.1", port)).is_ok()
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}
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