proxmox-backup/src/tools/socket.rs

24 lines
574 B
Rust

use std::os::unix::io::RawFd;
use nix::sys::socket::sockopt::{KeepAlive, TcpKeepIdle};
use nix::sys::socket::setsockopt;
pub const PROXMOX_BACKUP_TCP_KEEPALIVE_TIME: u32 = 120;
/// Set TCP keepalive time on a socket
///
/// See "man 7 tcp" for details.
///
/// The default on Linux is 7200 (2 hours) which is far too long for
/// our backup tools.
pub fn set_tcp_keepalive(
socket_fd: RawFd,
tcp_keepalive_time: u32,
) -> nix::Result<()> {
setsockopt(socket_fd, KeepAlive, &true)?;
setsockopt(socket_fd, TcpKeepIdle, &tcp_keepalive_time)?;
Ok(())
}