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#![cfg(any(target_os = "ios", target_os = "android", target_os = "macos"))]
use crate::Args;
use std::os::raw::c_int;
static TUN_QUIT: std::sync::Mutex<Option<tokio_util::sync::CancellationToken>> = std::sync::Mutex::new(None);
/// Dummy function to make the build pass.
#[doc(hidden)]
#[cfg(not(target_os = "macos"))]
pub async fn desktop_run_async(_: Args, _: u16, _: bool, _: tokio_util::sync::CancellationToken) -> std::io::Result<()> {
Ok(())
}
pub async fn mobile_run_async(
args: Args,
tun_mtu: u16,
_packet_information: bool,
shutdown_token: tokio_util::sync::CancellationToken,
) -> std::io::Result<()> {
let mut config = tun::Configuration::default();
#[cfg(unix)]
if let Some(fd) = args.tun_fd {
config.raw_fd(fd);
if let Some(v) = args.close_fd_on_drop {
config.close_fd_on_drop(v);
};
} else if let Some(ref tun) = args.tun {
config.tun_name(tun);
}
#[cfg(windows)]
if let Some(ref tun) = args.tun {
config.tun_name(tun);
}
#[cfg(any(target_os = "ios", target_os = "macos"))]
config.platform_config(|config| {
config.packet_information(_packet_information);
});
let device = tun::create_as_async(&config).map_err(std::io::Error::from)?;
let join_handle = tokio::spawn(crate::run(device, tun_mtu, args, shutdown_token));
Ok(join_handle.await.map_err(std::io::Error::from)??)
}
pub fn mobile_run(args: Args, tun_mtu: u16, _packet_information: bool) -> c_int {
let shutdown_token = tokio_util::sync::CancellationToken::new();
if let Ok(mut lock) = TUN_QUIT.lock() {
if lock.is_some() {
log::error!("tun2proxy already started");
return -1;
}
*lock = Some(shutdown_token.clone());
} else {
log::error!("failed to lock tun2proxy quit token");
return -2;
}
let Ok(rt) = tokio::runtime::Builder::new_multi_thread().enable_all().build() else {
log::error!("failed to create tokio runtime with");
return -1;
};
match rt.block_on(mobile_run_async(args, tun_mtu, _packet_information, shutdown_token)) {
Ok(_) => 0,
Err(e) => {
log::error!("failed to run tun2proxy with error: {:?}", e);
-2
}
}
}
pub fn mobile_stop() -> c_int {
if let Ok(mut lock) = TUN_QUIT.lock() {
if let Some(shutdown_token) = lock.take() {
shutdown_token.cancel();
return 0;
}
}
-1
}