rename desktop_run_async to general_run_async

src/android.rs

@@ -52,7 +52,7 @@ pub unsafe extern "C" fn Java_com_github_shadowsocks_bg_Tun2proxy_run(
         .close_fd_on_drop(close_fd_on_drop)
         .dns(dns)
         .verbosity(verbosity);
-    crate::mobile_api::mobile_run(args, tun_mtu, false)
+    crate::general_api::general_run_for_api(args, tun_mtu, false)
 }
 
 /// # Safety
@@ -60,7 +60,7 @@ pub unsafe extern "C" fn Java_com_github_shadowsocks_bg_Tun2proxy_run(
 /// Shutdown tun2proxy
 #[no_mangle]
 pub unsafe extern "C" fn Java_com_github_shadowsocks_bg_Tun2proxy_stop(_env: JNIEnv, _: JClass) -> jint {
-    crate::mobile_api::mobile_stop()
+    crate::general_api::tun2proxy_stop_internal()
 }
 
 fn get_java_string(env: &mut JNIEnv, string: &JString) -> Result<String, Error> {

src/bin/main.rs

@@ -50,7 +50,7 @@ async fn main_async(args: Args) -> Result<(), BoxError> {
             }
             unsafe { tun2proxy::tun2proxy_set_traffic_status_callback(1, Some(traffic_cb), std::ptr::null_mut()) };
 
-            if let Err(err) = tun2proxy::desktop_run_async(args, MTU, false, shutdown_token).await {
+            if let Err(err) = tun2proxy::general_run_async(args, MTU, false, shutdown_token).await {
                 log::error!("main loop error: {}", err);
             }
         }

src/desktop_api.rs → src/general_api.rs

@@ -1,11 +1,9 @@
-#![cfg(any(target_os = "windows", target_os = "macos", target_os = "linux"))]
-
 use crate::{
     args::{ArgDns, ArgProxy},
     ArgVerbosity, Args,
 };
 use std::os::raw::{c_char, c_int};
-use tun::{AbstractDevice, DEFAULT_MTU as MTU};
+use tun::DEFAULT_MTU as MTU;
 
 static TUN_QUIT: std::sync::Mutex<Option<tokio_util::sync::CancellationToken>> = std::sync::Mutex::new(None);
 
@@ -41,7 +39,7 @@ pub unsafe extern "C" fn tun2proxy_with_name_run(
     #[cfg(target_os = "linux")]
     args.setup(_root_privilege);
 
-    desktop_run(args)
+    general_run_for_api(args, MTU, false)
 }
 
 /// # Safety
@@ -55,45 +53,48 @@ pub unsafe extern "C" fn tun2proxy_run_with_cli_args(cli_args: *const c_char) ->
         return -5;
     };
     let args = <Args as ::clap::Parser>::parse_from(cli_args.split_whitespace());
-    desktop_run(args)
+    general_run_for_api(args, MTU, false)
 }
 
-pub fn desktop_run(args: Args) -> c_int {
+pub fn general_run_for_api(args: Args, tun_mtu: u16, packet_information: bool) -> c_int {
     log::set_max_level(args.verbosity.into());
     if let Err(err) = log::set_boxed_logger(Box::<crate::dump_logger::DumpLogger>::default()) {
-        log::warn!("set logger error: {}", err);
+        log::debug!("set logger error: {}", err);
     }
 
     let shutdown_token = tokio_util::sync::CancellationToken::new();
-    {
+    if let Ok(mut lock) = TUN_QUIT.lock() {
-        if let Ok(mut lock) = TUN_QUIT.lock() {
+        if lock.is_some() {
-            if lock.is_some() {
+            log::error!("tun2proxy already started");
-                return -1;
+            return -1;
-            }
-            *lock = Some(shutdown_token.clone());
-        } else {
-            return -2;
         }
+        *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 -3;
     };
-    let res = rt.block_on(async move {
+    match rt.block_on(async move {
-        if let Err(err) = desktop_run_async(args, MTU, false, shutdown_token).await {
+        if let Err(err) = general_run_async(args, tun_mtu, packet_information, shutdown_token).await {
             log::error!("main loop error: {}", err);
             return Err(err);
         }
         Ok(())
-    });
+    }) {
-    match res {
         Ok(_) => 0,
-        Err(_) => -4,
+        Err(e) => {
+            log::error!("failed to run tun2proxy with error: {:?}", e);
+            -4
+        }
     }
 }
 
 /// Run the tun2proxy component with some arguments.
-pub async fn desktop_run_async(
+pub async fn general_run_async(
     args: Args,
     tun_mtu: u16,
     _packet_information: bool,
@@ -153,7 +154,8 @@ pub async fn desktop_run_async(
     let device = tun::create_as_async(&tun_config)?;
 
     #[cfg(any(target_os = "linux", target_os = "windows", target_os = "macos"))]
-    if let Ok(tun_name) = device.tun_name() {
+    if let Ok(tun_name) = tun::AbstractDevice::tun_name(&*device) {
+        // Above line is equivalent to: `use tun::AbstractDevice; if let Ok(tun_name) = device.tun_name() {`
         tproxy_args = tproxy_args.tun_name(&tun_name);
     }
 
@@ -205,6 +207,10 @@ pub async fn desktop_run_async(
 /// Shutdown the tun2proxy component.
 #[no_mangle]
 pub unsafe extern "C" fn tun2proxy_with_name_stop() -> c_int {
+    tun2proxy_stop_internal()
+}
+
+pub(crate) fn tun2proxy_stop_internal() -> c_int {
     if let Ok(mut lock) = TUN_QUIT.lock() {
         if let Some(shutdown_token) = lock.take() {
             shutdown_token.cancel();

src/lib.rs

@@ -40,25 +40,17 @@ pub use {
 #[global_allocator]
 static ALLOC: mimalloc::MiMalloc = mimalloc::MiMalloc;
 
-#[cfg(any(target_os = "windows", target_os = "macos", target_os = "linux"))]
+pub use general_api::general_run_async;
-pub use desktop_api::desktop_run_async;
-
-#[cfg(any(target_os = "ios", target_os = "android"))]
-pub use mobile_api::{desktop_run_async, mobile_run, mobile_stop};
-
-#[cfg(target_os = "macos")]
-pub use mobile_api::{mobile_run, mobile_stop};
 
 mod android;
-mod apple;
 mod args;
-mod desktop_api;
 mod directions;
 mod dns;
 mod dump_logger;
 mod error;
+mod general_api;
 mod http;
-mod mobile_api;
+mod mobile;
 mod no_proxy;
 mod proxy_handler;
 mod session_info;

src/apple.rs → src/mobile.rs

@@ -27,11 +27,6 @@ pub unsafe extern "C" fn tun2proxy_with_fd_run(
     dns_strategy: ArgDns,
     verbosity: ArgVerbosity,
 ) -> c_int {
-    log::set_max_level(verbosity.into());
-    if let Err(err) = log::set_boxed_logger(Box::<crate::dump_logger::DumpLogger>::default()) {
-        log::warn!("failed to set logger: {:?}", err);
-    }
-
     let proxy_url = std::ffi::CStr::from_ptr(proxy_url).to_str().unwrap();
     let proxy = ArgProxy::try_from(proxy_url).unwrap();
 
@@ -42,7 +37,7 @@ pub unsafe extern "C" fn tun2proxy_with_fd_run(
         .dns(dns_strategy)
         .verbosity(verbosity);
 
-    crate::mobile_api::mobile_run(args, tun_mtu, packet_information)
+    crate::general_api::general_run_for_api(args, tun_mtu, packet_information)
 }
 
 /// # Safety
@@ -50,5 +45,5 @@ pub unsafe extern "C" fn tun2proxy_with_fd_run(
 /// Shutdown the tun2proxy component.
 #[no_mangle]
 pub unsafe extern "C" fn tun2proxy_with_fd_stop() -> c_int {
-    crate::mobile_api::mobile_stop()
+    crate::general_api::tun2proxy_stop_internal()
 }

src/mobile_api.rs

@@ -1,82 +0,0 @@
-#![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
-}

src/win_svc.rs

@@ -78,7 +78,7 @@ fn run_service(_arguments: Vec<std::ffi::OsString>) -> Result<(), crate::BoxErro
             }
             unsafe { crate::tun2proxy_set_traffic_status_callback(1, Some(traffic_cb), std::ptr::null_mut()) };
 
-            if let Err(err) = crate::desktop_run_async(args, tun::DEFAULT_MTU, false, shutdown_token).await {
+            if let Err(err) = crate::general_run_async(args, tun::DEFAULT_MTU, false, shutdown_token).await {
                 log::error!("main loop error: {}", err);
             }
             Ok::<(), crate::Error>(())