rustdesk/src/ui_session_interface.rs

use crate::client::{
    self, check_if_retry, get_key_state, handle_hash, handle_login_from_ui, handle_test_delay,
    input_os_password, load_config, send_mouse, start_video_audio_threads, Client, CodecFormat,
    FileManager, Key, LoginConfigHandler, MediaData, MediaSender, QualityStatus, KEY_MAP, SEC30,
};
use crate::common::{
    self, check_clipboard, update_clipboard, ClipboardContext, CLIPBOARD_INTERVAL,
};
use crate::platform;
use crate::{client::Data, client::Interface};
use async_trait::async_trait;
use enigo::{Enigo, KeyboardControllable};
use hbb_common::config::{Config, LocalConfig, PeerConfig, TransferSerde};
use hbb_common::fs::{
    can_enable_overwrite_detection, get_job, get_string, new_send_confirm, DigestCheckResult,
    RemoveJobMeta, TransferJobMeta,
};
use hbb_common::message_proto::permission_info::Permission;
use hbb_common::protobuf::Message as _;
use hbb_common::rendezvous_proto::ConnType;
use hbb_common::tokio::{
    self,
    sync::mpsc,
    time::{self, Duration, Instant, Interval},
};
use hbb_common::{allow_err, message_proto::*, sleep};
use hbb_common::{fs, get_version_number, log, Stream};
use std::collections::HashMap;
use std::ops::{Deref, DerefMut};
use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
use std::sync::{Arc, Mutex, RwLock};

#[derive(Clone, Default)]
pub struct Session<T: InvokeUi> {
    pub cmd: String,
    pub id: String,
    pub password: String,
    pub args: Vec<String>,
    pub lc: Arc<RwLock<LoginConfigHandler>>,
    pub sender: Arc<RwLock<Option<mpsc::UnboundedSender<Data>>>>,
    pub thread: Arc<Mutex<Option<std::thread::JoinHandle<()>>>>,
    pub ui_handler: T,
}

impl<T: InvokeUi> Session<T> {
    pub fn get_view_style(&self) -> String {
        self.lc.read().unwrap().view_style.clone()
    }

    pub fn get_image_quality(&self) -> String {
        self.lc.read().unwrap().image_quality.clone()
    }

    pub fn save_view_style(&mut self, value: String) {
        self.lc.write().unwrap().save_view_style(value);
    }

    pub fn toggle_option(&mut self, name: String) {
        let msg = self.lc.write().unwrap().toggle_option(name.clone());
        if name == "enable-file-transfer" {
            self.send(Data::ToggleClipboardFile);
        }
        if let Some(msg) = msg {
            self.send(Data::Message(msg));
        }
    }

    pub fn get_toggle_option(&self, name: String) -> bool {
        self.lc.read().unwrap().get_toggle_option(&name)
    }

    pub fn is_privacy_mode_supported(&self) -> bool {
        self.lc.read().unwrap().is_privacy_mode_supported()
    }

    pub fn refresh_video(&self) {
        self.send(Data::Message(LoginConfigHandler::refresh()));
    }

    pub fn save_custom_image_quality(&mut self, custom_image_quality: i32) {
        let msg = self
            .lc
            .write()
            .unwrap()
            .save_custom_image_quality(custom_image_quality);
        self.send(Data::Message(msg));
    }

    pub fn save_image_quality(&mut self, value: String) {
        let msg = self.lc.write().unwrap().save_image_quality(value);
        if let Some(msg) = msg {
            self.send(Data::Message(msg));
        }
    }

    pub fn get_remember(&self) -> bool {
        self.lc.read().unwrap().remember
    }

    pub fn set_write_override(
        &mut self,
        job_id: i32,
        file_num: i32,
        is_override: bool,
        remember: bool,
        is_upload: bool,
    ) -> bool {
        self.send(Data::SetConfirmOverrideFile((
            job_id,
            file_num,
            is_override,
            remember,
            is_upload,
        )));
        true
    }

    pub fn has_hwcodec(&self) -> bool {
        #[cfg(not(feature = "hwcodec"))]
        return false;
        #[cfg(feature = "hwcodec")]
        return true;
    }

    pub fn change_prefer_codec(&self) {
        let msg = self.lc.write().unwrap().change_prefer_codec();
        self.send(Data::Message(msg));
    }

    pub fn restart_remote_device(&self) {
        let mut lc = self.lc.write().unwrap();
        lc.restarting_remote_device = true;
        let msg = lc.restart_remote_device();
        self.send(Data::Message(msg));
    }

    pub fn t(&self, name: String) -> String {
        crate::client::translate(name)
    }

    pub fn get_audit_server(&self) -> String {
        if self.lc.read().unwrap().conn_id <= 0
            || LocalConfig::get_option("access_token").is_empty()
        {
            return "".to_owned();
        }
        crate::get_audit_server(
            Config::get_option("api-server"),
            Config::get_option("custom-rendezvous-server"),
        )
    }

    pub fn send_note(&self, note: String) {
        let url = self.get_audit_server();
        let id = self.id.clone();
        let conn_id = self.lc.read().unwrap().conn_id;
        std::thread::spawn(move || {
            send_note(url, id, conn_id, note);
        });
    }

    pub fn is_xfce(&self) -> bool {
        crate::platform::is_xfce()
    }

    pub fn remove_port_forward(&self, port: i32) {
        let mut config = self.load_config();
        config.port_forwards = config
            .port_forwards
            .drain(..)
            .filter(|x| x.0 != port)
            .collect();
        self.save_config(config);
        self.send(Data::RemovePortForward(port));
    }

    pub fn add_port_forward(&mut self, port: i32, remote_host: String, remote_port: i32) {
        let mut config = self.load_config();
        if config
            .port_forwards
            .iter()
            .filter(|x| x.0 == port)
            .next()
            .is_some()
        {
            return;
        }
        let pf = (port, remote_host, remote_port);
        config.port_forwards.push(pf.clone());
        self.save_config(config);
        self.send(Data::AddPortForward(pf));
    }

    pub fn get_id(&self) -> String {
        self.id.clone()
    }

    pub fn get_option(&self, k: String) -> String {
        if k.eq("remote_dir") {
            return self.lc.read().unwrap().get_remote_dir();
        }
        self.lc.read().unwrap().get_option(&k)
    }

    pub fn set_option(&self, k: String, mut v: String) {
        let mut lc = self.lc.write().unwrap();
        if k.eq("remote_dir") {
            v = lc.get_all_remote_dir(v);
        }
        lc.set_option(k, v);
    }

    #[inline]
    pub fn load_config(&self) -> PeerConfig {
        load_config(&self.id)
    }

    #[inline]
    pub(super) fn save_config(&self, config: PeerConfig) {
        self.lc.write().unwrap().save_config(config);
    }

    pub fn is_restarting_remote_device(&self) -> bool {
        self.lc.read().unwrap().restarting_remote_device
    }

    #[inline]
    pub fn peer_platform(&self) -> String {
        self.lc.read().unwrap().info.platform.clone()
    }

    pub fn ctrl_alt_del(&mut self) {
        if self.peer_platform() == "Windows" {
            let mut key_event = KeyEvent::new();
            key_event.set_control_key(ControlKey::CtrlAltDel);
            self.key_down_or_up(1, key_event, false, false, false, false);
        } else {
            let mut key_event = KeyEvent::new();
            key_event.set_control_key(ControlKey::Delete);
            self.key_down_or_up(3, key_event, true, true, false, false);
        }
    }

    pub fn key_down_or_up(
        &self,
        down_or_up: i32,
        evt: KeyEvent,
        alt: bool,
        ctrl: bool,
        shift: bool,
        command: bool,
    ) {
        let mut key_event = evt;

        if alt
            && !crate::is_control_key(&key_event, &ControlKey::Alt)
            && !crate::is_control_key(&key_event, &ControlKey::RAlt)
        {
            key_event.modifiers.push(ControlKey::Alt.into());
        }
        if shift
            && !crate::is_control_key(&key_event, &ControlKey::Shift)
            && !crate::is_control_key(&key_event, &ControlKey::RShift)
        {
            key_event.modifiers.push(ControlKey::Shift.into());
        }
        if ctrl
            && !crate::is_control_key(&key_event, &ControlKey::Control)
            && !crate::is_control_key(&key_event, &ControlKey::RControl)
        {
            key_event.modifiers.push(ControlKey::Control.into());
        }
        if command
            && !crate::is_control_key(&key_event, &ControlKey::Meta)
            && !crate::is_control_key(&key_event, &ControlKey::RWin)
        {
            key_event.modifiers.push(ControlKey::Meta.into());
        }
        if get_key_state(enigo::Key::CapsLock) {
            key_event.modifiers.push(ControlKey::CapsLock.into());
        }
        if self.peer_platform() != "Mac OS" {
            if get_key_state(enigo::Key::NumLock) && common::valid_for_numlock(&key_event) {
                key_event.modifiers.push(ControlKey::NumLock.into());
            }
        }
        if down_or_up == 1 {
            key_event.down = true;
        } else if down_or_up == 3 {
            key_event.press = true;
        }
        let mut msg_out = Message::new();
        msg_out.set_key_event(key_event);
        log::debug!("{:?}", msg_out);
        self.send(Data::Message(msg_out));
    }

    pub fn get_platform(&self, is_remote: bool) -> String {
        if is_remote {
            self.peer_platform()
        } else {
            whoami::platform().to_string()
        }
    }

    pub fn get_path_sep(&self, is_remote: bool) -> &'static str {
        let p = self.get_platform(is_remote);
        if &p == "Windows" {
            return "\\";
        } else {
            return "/";
        }
    }

    pub fn input_os_password(&self, pass: String, activate: bool) {
        input_os_password(pass, activate, self.clone());
    }

    pub fn get_chatbox(&self) -> String {
        #[cfg(feature = "inline")]
        return super::inline::get_chatbox();
        #[cfg(not(feature = "inline"))]
        return "".to_owned();
    }

    pub fn get_icon(&self) -> String {
        crate::get_icon()
    }

    pub fn send_chat(&self, text: String) {
        let mut misc = Misc::new();
        misc.set_chat_message(ChatMessage {
            text,
            ..Default::default()
        });
        let mut msg_out = Message::new();
        msg_out.set_misc(misc);
        self.send(Data::Message(msg_out));
    }

    pub fn switch_display(&self, display: i32) {
        let mut misc = Misc::new();
        misc.set_switch_display(SwitchDisplay {
            display,
            ..Default::default()
        });
        let mut msg_out = Message::new();
        msg_out.set_misc(misc);
        self.send(Data::Message(msg_out));
    }

    pub fn lock_screen(&mut self) {
        let mut key_event = KeyEvent::new();
        key_event.set_control_key(ControlKey::LockScreen);
        self.key_down_or_up(1, key_event, false, false, false, false);
    }

    // flutter only TODO new input
    pub fn input_key(
        &self,
        name: &str,
        down: bool,
        press: bool,
        alt: bool,
        ctrl: bool,
        shift: bool,
        command: bool,
    ) {
        let chars: Vec<char> = name.chars().collect();
        if chars.len() == 1 {
            let key = Key::_Raw(chars[0] as _);
            self._input_key(key, down, press, alt, ctrl, shift, command);
        } else {
            if let Some(key) = KEY_MAP.get(name) {
                self._input_key(key.clone(), down, press, alt, ctrl, shift, command);
            }
        }
    }

    // flutter only TODO new input
    pub fn input_string(&self, value: &str) {
        let mut key_event = KeyEvent::new();
        key_event.set_seq(value.to_owned());
        let mut msg_out = Message::new();
        msg_out.set_key_event(key_event);
        self.send(Data::Message(msg_out));
    }

    // flutter only TODO new input
    fn _input_key(
        &self,
        key: Key,
        down: bool,
        press: bool,
        alt: bool,
        ctrl: bool,
        shift: bool,
        command: bool,
    ) {
        let v = if press {
            3
        } else if down {
            1
        } else {
            0
        };
        let mut key_event = KeyEvent::new();
        match key {
            Key::Chr(chr) => {
                key_event.set_chr(chr);
            }
            Key::ControlKey(key) => {
                key_event.set_control_key(key.clone());
            }
            Key::_Raw(raw) => {
                if raw > 'z' as u32 || raw < 'a' as u32 {
                    key_event.set_unicode(raw);
                    // TODO
                    // if down_or_up == 0 {
                    //     // ignore up, avoiding trigger twice
                    //     return;
                    // }
                    // down_or_up = 1; // if press, turn into down for avoiding trigger twice on server side
                } else {
                    // to make ctrl+c works on windows
                    key_event.set_chr(raw);
                }
            }
        }

        self.key_down_or_up(v, key_event, alt, ctrl, shift, command);
    }

    pub fn send_mouse(
        &mut self,
        mask: i32,
        x: i32,
        y: i32,
        alt: bool,
        ctrl: bool,
        shift: bool,
        command: bool,
    ) {
        #[allow(unused_mut)]
        let mut command = command;
        #[cfg(windows)]
        {
            if !command && crate::platform::windows::get_win_key_state() {
                command = true;
            }
        }

        send_mouse(mask, x, y, alt, ctrl, shift, command, self);
        // on macos, ctrl + left button down = right button down, up won't emit, so we need to
        // emit up myself if peer is not macos
        // to-do: how about ctrl + left from win to macos
        if cfg!(target_os = "macos") {
            let buttons = mask >> 3;
            let evt_type = mask & 0x7;
            if buttons == 1 && evt_type == 1 && ctrl && self.peer_platform() != "Mac OS" {
                self.send_mouse((1 << 3 | 2) as _, x, y, alt, ctrl, shift, command);
            }
        }
    }

    pub fn reconnect(&self) {
        self.send(Data::Close);
        let cloned = self.clone();
        let mut lock = self.thread.lock().unwrap();
        lock.take().map(|t| t.join());
        *lock = Some(std::thread::spawn(move || {
            io_loop(cloned);
        }));
    }

    pub fn get_icon_path(&self, file_type: i32, ext: String) -> String {
        let mut path = Config::icon_path();
        if file_type == FileType::DirLink as i32 {
            let new_path = path.join("dir_link");
            if !std::fs::metadata(&new_path).is_ok() {
                #[cfg(windows)]
                allow_err!(std::os::windows::fs::symlink_file(&path, &new_path));
                #[cfg(not(windows))]
                allow_err!(std::os::unix::fs::symlink(&path, &new_path));
            }
            path = new_path;
        } else if file_type == FileType::File as i32 {
            if !ext.is_empty() {
                path = path.join(format!("file.{}", ext));
            } else {
                path = path.join("file");
            }
            if !std::fs::metadata(&path).is_ok() {
                allow_err!(std::fs::File::create(&path));
            }
        } else if file_type == FileType::FileLink as i32 {
            let new_path = path.join("file_link");
            if !std::fs::metadata(&new_path).is_ok() {
                path = path.join("file");
                if !std::fs::metadata(&path).is_ok() {
                    allow_err!(std::fs::File::create(&path));
                }
                #[cfg(windows)]
                allow_err!(std::os::windows::fs::symlink_file(&path, &new_path));
                #[cfg(not(windows))]
                allow_err!(std::os::unix::fs::symlink(&path, &new_path));
            }
            path = new_path;
        } else if file_type == FileType::DirDrive as i32 {
            if cfg!(windows) {
                path = fs::get_path("C:");
            } else if cfg!(target_os = "macos") {
                if let Ok(entries) = fs::get_path("/Volumes/").read_dir() {
                    for entry in entries {
                        if let Ok(entry) = entry {
                            path = entry.path();
                            break;
                        }
                    }
                }
            }
        }
        fs::get_string(&path)
    }

    pub fn login(&self, password: String, remember: bool) {
        self.send(Data::Login((password, remember)));
    }

    pub fn new_rdp(&self) {
        self.send(Data::NewRDP);
    }

    pub fn close(&self) {
        self.send(Data::Close);
    }
}

pub trait InvokeUi: Send + Sync + Clone + 'static + Sized + Default {
    fn set_cursor_data(&self, cd: CursorData);
    fn set_cursor_id(&self, id: String);
    fn set_cursor_position(&self, cp: CursorPosition);
    fn set_display(&self, x: i32, y: i32, w: i32, h: i32);
    fn set_peer_info(
        &self,
        username: &str,
        hostname: &str,
        platform: &str,
        sas_enabled: bool,
        displays: &Vec<HashMap<&str, i32>>,
        version: &str,
        current_display: usize,
        is_file_transfer: bool,
    ); // flutter
    fn update_privacy_mode(&self);
    fn set_permission(&self, name: &str, value: bool);
    fn update_pi(&self, pi: PeerInfo);
    fn close_success(&self);
    fn update_quality_status(&self, qs: QualityStatus);
    fn set_connection_type(&self, is_secured: bool, direct: bool);
    fn job_error(&self, id: i32, err: String, file_num: i32);
    fn job_done(&self, id: i32, file_num: i32);
    fn clear_all_jobs(&self);
    fn add_job(
        &self,
        id: i32,
        path: String,
        to: String,
        file_num: i32,
        show_hidden: bool,
        is_remote: bool,
    );
    fn update_transfer_list(&self);
    // fn update_folder_files(&self); // TODO
    fn confirm_delete_files(&self, id: i32, i: i32, name: String);
    fn override_file_confirm(&self, id: i32, file_num: i32, to: String, is_upload: bool);
    fn job_progress(&self, id: i32, file_num: i32, speed: f64, finished_size: f64);
    fn adapt_size(&self);
    fn on_rgba(&self, data: &[u8]);
    fn msgbox(&self, msgtype: &str, title: &str, text: &str, retry: bool);
}

impl<T: InvokeUi> Deref for Session<T> {
    type Target = T;

    fn deref(&self) -> &Self::Target {
        &self.ui_handler
    }
}

impl<T: InvokeUi> DerefMut for Session<T> {
    fn deref_mut(&mut self) -> &mut Self::Target {
        &mut self.ui_handler
    }
}

impl<T: InvokeUi> FileManager for Session<T> {}

#[async_trait]
impl<T: InvokeUi> Interface for Session<T> {
    fn send(&self, data: Data) {
        if let Some(sender) = self.sender.read().unwrap().as_ref() {
            sender.send(data).ok();
        }
    }

    fn is_file_transfer(&self) -> bool {
        self.cmd == "--file-transfer"
    }

    fn is_port_forward(&self) -> bool {
        self.cmd == "--port-forward" || self.is_rdp()
    }

    fn is_rdp(&self) -> bool {
        self.cmd == "--rdp"
    }

    fn msgbox(&self, msgtype: &str, title: &str, text: &str) {
        let retry = check_if_retry(msgtype, title, text);
        // self.call2("msgbox_retry", &make_args!(msgtype, title, text, retry));
        self.ui_handler.msgbox(msgtype, title, text, retry);
    }

    fn handle_login_error(&mut self, err: &str) -> bool {
        self.lc.write().unwrap().handle_login_error(err, self)
    }

    fn handle_peer_info(&mut self, pi: PeerInfo) {
        let mut lc = self.lc.write().unwrap();

        // let mut pi_sciter = Value::map();
        let username = lc.get_username(&pi);

        // flutter
        let mut displays = Vec::new();
        let mut current_index = pi.current_display as usize;

        // pi_sciter.set_item("username", username.clone());
        // pi_sciter.set_item("hostname", pi.hostname.clone());
        // pi_sciter.set_item("platform", pi.platform.clone());
        // pi_sciter.set_item("sas_enabled", pi.sas_enabled);
        if get_version_number(&pi.version) < get_version_number("1.1.10") {
            self.set_permission("restart", false);
        }
        if self.is_file_transfer() {
            if pi.username.is_empty() {
                self.on_error("No active console user logged on, please connect and logon first.");
                return;
            }
        } else if !self.is_port_forward() {
            if pi.displays.is_empty() {
                lc.handle_peer_info(username, pi);
                self.update_privacy_mode();
                self.msgbox("error", "Remote Error", "No Display");
                return;
            }
            // let mut displays = Value::array(0);
            // for ref d in pi.displays.iter() {
            //     let mut display = Value::map();
            //     display.set_item("x", d.x);
            //     display.set_item("y", d.y);
            //     display.set_item("width", d.width);
            //     display.set_item("height", d.height);
            //     displays.push(display);
            // }
            // pi_sciter.set_item("displays", displays);

            // flutter
            for ref d in pi.displays.iter() {
                let mut h: HashMap<&str, i32> = Default::default();
                h.insert("x", d.x);
                h.insert("y", d.y);
                h.insert("width", d.width);
                h.insert("height", d.height);
                displays.push(h);
            }
            if current_index >= pi.displays.len() {
                current_index = 0;
            }

            if current_index >= pi.displays.len() {
                current_index = 0;
            }
            // pi_sciter.set_item("current_display", current as i32);
            let current = &pi.displays[current_index];
            self.set_display(current.x, current.y, current.width, current.height);

            self.set_peer_info(
                &username,
                &pi.hostname,
                &pi.platform,
                pi.sas_enabled,
                &displays,
                &pi.version,
                current_index,
                lc.is_file_transfer,
            );

            // https://sciter.com/forums/topic/color_spaceiyuv-crash
            // Nothing spectacular in decoder – done on CPU side.
            // So if you can do BGRA translation on your side – the better.
            // BGRA is used as internal image format so it will not require additional transformations.
            // VIDEO.lock().unwrap().as_mut().map(|v| {
            //     let ok = v.start_streaming(
            //         (current.width as _, current.height as _),
            //         COLOR_SPACE::Rgb32,
            //         None,
            //     );
            //     log::info!("[video] initialized: {:?}", ok);
            // });
            let p = lc.should_auto_login();
            if !p.is_empty() {
                input_os_password(p, true, self.clone());
            }
        }
        lc.handle_peer_info(username, pi);
        self.update_privacy_mode();
        // self.update_pi(pi);
        if self.is_file_transfer() {
            self.close_success();
        } else if !self.is_port_forward() {
            self.msgbox("success", "Successful", "Connected, waiting for image...");
        }
        #[cfg(windows)]
        {
            let mut path = std::env::temp_dir();
            path.push(&self.id);
            let path = path.with_extension(crate::get_app_name().to_lowercase());
            std::fs::File::create(&path).ok();
            if let Some(path) = path.to_str() {
                crate::platform::windows::add_recent_document(&path);
            }
        }
        // self.start_keyboard_hook(); // TODO
    }

    async fn handle_hash(&mut self, pass: &str, hash: Hash, peer: &mut Stream) {
        handle_hash(self.lc.clone(), pass, hash, self, peer).await;
    }

    async fn handle_login_from_ui(&mut self, password: String, remember: bool, peer: &mut Stream) {
        handle_login_from_ui(self.lc.clone(), password, remember, peer).await;
    }

    async fn handle_test_delay(&mut self, t: TestDelay, peer: &mut Stream) {
        if !t.from_client {
            self.update_quality_status(QualityStatus {
                delay: Some(t.last_delay as _),
                target_bitrate: Some(t.target_bitrate as _),
                ..Default::default()
            });
            handle_test_delay(t, peer).await;
        }
    }

    fn set_force_relay(&mut self, direct: bool, received: bool) {
        let mut lc = self.lc.write().unwrap();
        lc.force_relay = false;
        if direct && !received {
            let errno = errno::errno().0;
            log::info!("errno is {}", errno);
            // TODO: check mac and ios
            if cfg!(windows) && errno == 10054 || !cfg!(windows) && errno == 104 {
                lc.force_relay = true;
                lc.set_option("force-always-relay".to_owned(), "Y".to_owned());
            }
        }
    }

    fn is_force_relay(&self) -> bool {
        self.lc.read().unwrap().force_relay
    }
}

#[tokio::main(flavor = "current_thread")]
pub async fn io_loop<T: InvokeUi>(handler: Session<T>) {
    let (sender, mut receiver) = mpsc::unbounded_channel::<Data>();
    *handler.sender.write().unwrap() = Some(sender.clone());
    let mut options = crate::ipc::get_options_async().await;
    let mut key = options.remove("key").unwrap_or("".to_owned());
    let token = LocalConfig::get_option("access_token");
    if key.is_empty() {
        key = crate::platform::get_license_key();
    }
    if handler.is_port_forward() {
        if handler.is_rdp() {
            let port = handler
                .get_option("rdp_port".to_owned())
                .parse::<i32>()
                .unwrap_or(3389);
            std::env::set_var(
                "rdp_username",
                handler.get_option("rdp_username".to_owned()),
            );
            std::env::set_var(
                "rdp_password",
                handler.get_option("rdp_password".to_owned()),
            );
            log::info!("Remote rdp port: {}", port);
            start_one_port_forward(handler, 0, "".to_owned(), port, receiver, &key, &token).await;
        } else if handler.args.len() == 0 {
            let pfs = handler.lc.read().unwrap().port_forwards.clone();
            let mut queues = HashMap::<i32, mpsc::UnboundedSender<Data>>::new();
            for d in pfs {
                sender.send(Data::AddPortForward(d)).ok();
            }
            loop {
                match receiver.recv().await {
                    Some(Data::AddPortForward((port, remote_host, remote_port))) => {
                        if port <= 0 || remote_port <= 0 {
                            continue;
                        }
                        let (sender, receiver) = mpsc::unbounded_channel::<Data>();
                        queues.insert(port, sender);
                        let handler = handler.clone();
                        let key = key.clone();
                        let token = token.clone();
                        tokio::spawn(async move {
                            start_one_port_forward(
                                handler,
                                port,
                                remote_host,
                                remote_port,
                                receiver,
                                &key,
                                &token,
                            )
                            .await;
                        });
                    }
                    Some(Data::RemovePortForward(port)) => {
                        if let Some(s) = queues.remove(&port) {
                            s.send(Data::Close).ok();
                        }
                    }
                    Some(Data::Close) => {
                        break;
                    }
                    Some(d) => {
                        for (_, s) in queues.iter() {
                            s.send(d.clone()).ok();
                        }
                    }
                    _ => {}
                }
            }
        } else {
            let port = handler.args[0].parse::<i32>().unwrap_or(0);
            if handler.args.len() != 3
                || handler.args[2].parse::<i32>().unwrap_or(0) <= 0
                || port <= 0
            {
                handler.on_error("Invalid arguments, usage:<br><br> rustdesk --port-forward remote-id listen-port remote-host remote-port");
            }
            let remote_host = handler.args[1].clone();
            let remote_port = handler.args[2].parse::<i32>().unwrap_or(0);
            start_one_port_forward(
                handler,
                port,
                remote_host,
                remote_port,
                receiver,
                &key,
                &token,
            )
            .await;
        }
        return;
    }
    let frame_count = Arc::new(AtomicUsize::new(0));
    let frame_count_cl = frame_count.clone();
    let ui_handler = handler.ui_handler.clone();
    let (video_sender, audio_sender) = start_video_audio_threads(move |data: &[u8]| {
        frame_count_cl.fetch_add(1, Ordering::Relaxed);
        ui_handler.on_rgba(data);
    });

    let mut remote = Remote::new(
        handler,
        video_sender,
        audio_sender,
        receiver,
        sender,
        frame_count,
    );
    remote.io_loop(&key, &token).await;
    remote.sync_jobs_status_to_local().await;
}

async fn start_one_port_forward<T: InvokeUi>(
    handler: Session<T>,
    port: i32,
    remote_host: String,
    remote_port: i32,
    receiver: mpsc::UnboundedReceiver<Data>,
    key: &str,
    token: &str,
) {
    if let Err(err) = crate::port_forward::listen(
        handler.id.clone(),
        handler.password.clone(),
        port,
        handler.clone(),
        receiver,
        key,
        token,
        handler.lc.clone(),
        remote_host,
        remote_port,
    )
    .await
    {
        handler.on_error(&format!("Failed to listen on {}: {}", port, err));
    }
    log::info!("port forward (:{}) exit", port);
}

pub static SERVER_KEYBOARD_ENABLED: AtomicBool = AtomicBool::new(true);
pub static SERVER_FILE_TRANSFER_ENABLED: AtomicBool = AtomicBool::new(true);
pub static SERVER_CLIPBOARD_ENABLED: AtomicBool = AtomicBool::new(true);
const MILLI1: Duration = Duration::from_millis(1);

pub struct Remote<T: InvokeUi> {
    handler: Session<T>,
    video_sender: MediaSender,
    audio_sender: MediaSender,
    receiver: mpsc::UnboundedReceiver<Data>,
    sender: mpsc::UnboundedSender<Data>,
    old_clipboard: Arc<Mutex<String>>,
    read_jobs: Vec<fs::TransferJob>,
    write_jobs: Vec<fs::TransferJob>,
    remove_jobs: HashMap<i32, RemoveJob>,
    timer: Interval,
    last_update_jobs_status: (Instant, HashMap<i32, u64>),
    first_frame: bool,
    #[cfg(windows)]
    clipboard_file_context: Option<Box<CliprdrClientContext>>,
    data_count: Arc<AtomicUsize>,
    frame_count: Arc<AtomicUsize>,
    video_format: CodecFormat,
}

impl<T: InvokeUi> Remote<T> {
    pub fn new(
        handler: Session<T>,
        video_sender: MediaSender,
        audio_sender: MediaSender,
        receiver: mpsc::UnboundedReceiver<Data>,
        sender: mpsc::UnboundedSender<Data>,
        frame_count: Arc<AtomicUsize>,
    ) -> Self {
        Self {
            handler,
            video_sender,
            audio_sender,
            receiver,
            sender,
            old_clipboard: Default::default(),
            read_jobs: Vec::new(),
            write_jobs: Vec::new(),
            remove_jobs: Default::default(),
            timer: time::interval(SEC30),
            last_update_jobs_status: (Instant::now(), Default::default()),
            first_frame: false,
            #[cfg(windows)]
            clipboard_file_context: None,
            data_count: Arc::new(AtomicUsize::new(0)),
            frame_count,
            video_format: CodecFormat::Unknown,
        }
    }

    pub async fn io_loop(&mut self, key: &str, token: &str) {
        let stop_clipboard = self.start_clipboard();
        let mut last_recv_time = Instant::now();
        let mut received = false;
        let conn_type = if self.handler.is_file_transfer() {
            ConnType::FILE_TRANSFER
        } else {
            ConnType::default()
        };
        match Client::start(
            &self.handler.id,
            key,
            token,
            conn_type,
            self.handler.clone(),
        )
        .await
        {
            Ok((mut peer, direct)) => {
                SERVER_KEYBOARD_ENABLED.store(true, Ordering::SeqCst);
                SERVER_CLIPBOARD_ENABLED.store(true, Ordering::SeqCst);
                SERVER_FILE_TRANSFER_ENABLED.store(true, Ordering::SeqCst);
                // self.handler
                //     .call("setConnectionType", &make_args!(peer.is_secured(), direct));
                self.handler.set_connection_type(peer.is_secured(), direct); // flutter -> connection_ready

                // just build for now
                #[cfg(not(windows))]
                let (_tx_holder, mut rx_clip_client) = mpsc::unbounded_channel::<i32>();
                #[cfg(windows)]
                let mut rx_clip_client = get_rx_clip_client().lock().await;

                let mut status_timer = time::interval(Duration::new(1, 0));

                loop {
                    tokio::select! {
                        res = peer.next() => {
                            if let Some(res) = res {
                                match res {
                                    Err(err) => {
                                        log::error!("Connection closed: {}", err);
                                        self.handler.set_force_relay(direct, received);
                                        self.handler.msgbox("error", "Connection Error", &err.to_string());
                                        break;
                                    }
                                    Ok(ref bytes) => {
                                        last_recv_time = Instant::now();
                                        received = true;
                                        self.data_count.fetch_add(bytes.len(), Ordering::Relaxed);
                                        if !self.handle_msg_from_peer(bytes, &mut peer).await {
                                            break
                                        }
                                    }
                                }
                            } else {
                                if self.handler.is_restarting_remote_device() {
                                    log::info!("Restart remote device");
                                    self.handler.msgbox("restarting", "Restarting Remote Device", "remote_restarting_tip");
                                } else {
                                    log::info!("Reset by the peer");
                                    self.handler.msgbox("error", "Connection Error", "Reset by the peer");
                                }
                                break;
                            }
                        }
                        d = self.receiver.recv() => {
                            if let Some(d) = d {
                                if !self.handle_msg_from_ui(d, &mut peer).await {
                                    break;
                                }
                            }
                        }
                        _msg = rx_clip_client.recv() => {
                            #[cfg(windows)]
                            match _msg {
                                Some((_, clip)) => {
                                    allow_err!(peer.send(&clip_2_msg(clip)).await);
                                }
                                None => {
                                    // unreachable!()
                                }
                            }
                        }
                        _ = self.timer.tick() => {
                            if last_recv_time.elapsed() >= SEC30 {
                                self.handler.msgbox("error", "Connection Error", "Timeout");
                                break;
                            }
                            if !self.read_jobs.is_empty() {
                                if let Err(err) = fs::handle_read_jobs(&mut self.read_jobs, &mut peer).await {
                                    self.handler.msgbox("error", "Connection Error", &err.to_string());
                                    break;
                                }
                                self.update_jobs_status();
                            } else {
                                self.timer = time::interval_at(Instant::now() + SEC30, SEC30);
                            }
                        }
                        _ = status_timer.tick() => {
                            let speed = self.data_count.swap(0, Ordering::Relaxed);
                            let speed = format!("{:.2}kB/s", speed as f32 / 1024 as f32);
                            let fps = self.frame_count.swap(0, Ordering::Relaxed) as _;
                            self.handler.update_quality_status(QualityStatus {
                                speed:Some(speed),
                                fps:Some(fps),
                                ..Default::default()
                            });
                        }
                    }
                }
                log::debug!("Exit io_loop of id={}", self.handler.id);
            }
            Err(err) => {
                self.handler
                    .msgbox("error", "Connection Error", &err.to_string());
            }
        }
        if let Some(stop) = stop_clipboard {
            stop.send(()).ok();
        }
        SERVER_KEYBOARD_ENABLED.store(false, Ordering::SeqCst);
        SERVER_CLIPBOARD_ENABLED.store(false, Ordering::SeqCst);
        SERVER_FILE_TRANSFER_ENABLED.store(false, Ordering::SeqCst);
    }

    fn handle_job_status(&mut self, id: i32, file_num: i32, err: Option<String>) {
        if let Some(job) = self.remove_jobs.get_mut(&id) {
            if job.no_confirm {
                let file_num = (file_num + 1) as usize;
                if file_num < job.files.len() {
                    let path = format!("{}{}{}", job.path, job.sep, job.files[file_num].name);
                    self.sender
                        .send(Data::RemoveFile((id, path, file_num as i32, job.is_remote)))
                        .ok();
                    let elapsed = job.last_update_job_status.elapsed().as_millis() as i32;
                    if elapsed >= 1000 {
                        job.last_update_job_status = Instant::now();
                    } else {
                        return;
                    }
                } else {
                    self.remove_jobs.remove(&id);
                }
            }
        }
        if let Some(err) = err {
            // self.handler
            //     .call("jobError", &make_args!(id, err, file_num));
            self.handler.job_error(id, err, file_num);
        } else {
            // self.handler.call("jobDone", &make_args!(id, file_num));
            self.handler.job_done(id, file_num);
        }
    }

    fn start_clipboard(&mut self) -> Option<std::sync::mpsc::Sender<()>> {
        if self.handler.is_file_transfer() || self.handler.is_port_forward() {
            return None;
        }
        let (tx, rx) = std::sync::mpsc::channel();
        let old_clipboard = self.old_clipboard.clone();
        let tx_protobuf = self.sender.clone();
        let lc = self.handler.lc.clone();
        match ClipboardContext::new() {
            Ok(mut ctx) => {
                // ignore clipboard update before service start
                check_clipboard(&mut ctx, Some(&old_clipboard));
                std::thread::spawn(move || loop {
                    std::thread::sleep(Duration::from_millis(CLIPBOARD_INTERVAL));
                    match rx.try_recv() {
                        Ok(_) | Err(std::sync::mpsc::TryRecvError::Disconnected) => {
                            log::debug!("Exit clipboard service of client");
                            break;
                        }
                        _ => {}
                    }
                    if !SERVER_CLIPBOARD_ENABLED.load(Ordering::SeqCst)
                        || !SERVER_KEYBOARD_ENABLED.load(Ordering::SeqCst)
                        || lc.read().unwrap().disable_clipboard
                    {
                        continue;
                    }
                    if let Some(msg) = check_clipboard(&mut ctx, Some(&old_clipboard)) {
                        tx_protobuf.send(Data::Message(msg)).ok();
                    }
                });
            }
            Err(err) => {
                log::error!("Failed to start clipboard service of client: {}", err);
            }
        }
        Some(tx)
    }

    fn load_last_jobs(&mut self) {
        log::info!("start load last jobs");
        // self.handler.call("clearAllJobs", &make_args!());
        self.handler.clear_all_jobs();
        let pc = self.handler.load_config();
        if pc.transfer.write_jobs.is_empty() && pc.transfer.read_jobs.is_empty() {
            // no last jobs
            return;
        }
        // TODO: can add a confirm dialog
        let mut cnt = 1;
        for job_str in pc.transfer.read_jobs.iter() {
            let job: Result<TransferJobMeta, serde_json::Error> = serde_json::from_str(&job_str);
            if let Ok(job) = job {
                self.handler.add_job(
                    cnt,
                    job.to.clone(),
                    job.remote.clone(),
                    job.file_num,
                    job.show_hidden,
                    false,
                );
                cnt += 1;
                println!("restore read_job: {:?}", job);
            }
        }
        for job_str in pc.transfer.write_jobs.iter() {
            let job: Result<TransferJobMeta, serde_json::Error> = serde_json::from_str(&job_str);
            if let Ok(job) = job {
                self.handler.add_job(
                    cnt,
                    job.remote.clone(),
                    job.to.clone(),
                    job.file_num,
                    job.show_hidden,
                    true,
                );
                cnt += 1;
                println!("restore write_job: {:?}", job);
            }
        }
        // self.handler.call("updateTransferList", &make_args!());
        self.handler.update_transfer_list();
    }

    async fn handle_msg_from_ui(&mut self, data: Data, peer: &mut Stream) -> bool {
        match data {
            Data::Close => {
                let mut misc = Misc::new();
                misc.set_close_reason("".to_owned());
                let mut msg = Message::new();
                msg.set_misc(misc);
                allow_err!(peer.send(&msg).await);
                return false;
            }
            Data::Login((password, remember)) => {
                self.handler
                    .handle_login_from_ui(password, remember, peer)
                    .await;
            }
            Data::ToggleClipboardFile => {
                self.check_clipboard_file_context();
            }
            Data::Message(msg) => {
                allow_err!(peer.send(&msg).await);
            }
            Data::SendFiles((id, path, to, file_num, include_hidden, is_remote)) => {
                log::info!("send files, is remote {}", is_remote);
                let od = can_enable_overwrite_detection(self.handler.lc.read().unwrap().version);
                if is_remote {
                    log::debug!("New job {}, write to {} from remote {}", id, to, path);
                    self.write_jobs.push(fs::TransferJob::new_write(
                        id,
                        path.clone(),
                        to,
                        file_num,
                        include_hidden,
                        is_remote,
                        Vec::new(),
                        od,
                    ));
                    allow_err!(
                        peer.send(&fs::new_send(id, path, file_num, include_hidden))
                            .await
                    );
                } else {
                    match fs::TransferJob::new_read(
                        id,
                        to.clone(),
                        path.clone(),
                        file_num,
                        include_hidden,
                        is_remote,
                        od,
                    ) {
                        Err(err) => {
                            self.handle_job_status(id, -1, Some(err.to_string()));
                        }
                        Ok(job) => {
                            log::debug!(
                                "New job {}, read {} to remote {}, {} files",
                                id,
                                path,
                                to,
                                job.files().len()
                            );
                            // let m = make_fd(job.id(), job.files(), true);
                            // self.handler.call("updateFolderFiles", &make_args!(m)); // TODO
                            #[cfg(not(windows))]
                            let files = job.files().clone();
                            #[cfg(windows)]
                            let mut files = job.files().clone();
                            #[cfg(windows)]
                            if self.handler.peer_platform() != "Windows" {
                                // peer is not windows, need transform \ to /
                                fs::transform_windows_path(&mut files);
                            }
                            self.read_jobs.push(job);
                            self.timer = time::interval(MILLI1);
                            allow_err!(peer.send(&fs::new_receive(id, to, file_num, files)).await);
                        }
                    }
                }
            }
            Data::AddJob((id, path, to, file_num, include_hidden, is_remote)) => {
                let od = can_enable_overwrite_detection(self.handler.lc.read().unwrap().version);
                if is_remote {
                    log::debug!(
                        "new write waiting job {}, write to {} from remote {}",
                        id,
                        to,
                        path
                    );
                    let mut job = fs::TransferJob::new_write(
                        id,
                        path.clone(),
                        to,
                        file_num,
                        include_hidden,
                        is_remote,
                        Vec::new(),
                        od,
                    );
                    job.is_last_job = true;
                    self.write_jobs.push(job);
                } else {
                    match fs::TransferJob::new_read(
                        id,
                        to.clone(),
                        path.clone(),
                        file_num,
                        include_hidden,
                        is_remote,
                        od,
                    ) {
                        Err(err) => {
                            self.handle_job_status(id, -1, Some(err.to_string()));
                        }
                        Ok(mut job) => {
                            log::debug!(
                                "new read waiting job {}, read {} to remote {}, {} files",
                                id,
                                path,
                                to,
                                job.files().len()
                            );
                            // let m = make_fd(job.id(), job.files(), true);
                            // self.handler.call("updateFolderFiles", &make_args!(m));
                            job.is_last_job = true;
                            self.read_jobs.push(job);
                            self.timer = time::interval(MILLI1);
                        }
                    }
                }
            }
            Data::ResumeJob((id, is_remote)) => {
                if is_remote {
                    if let Some(job) = get_job(id, &mut self.write_jobs) {
                        job.is_last_job = false;
                        allow_err!(
                            peer.send(&fs::new_send(
                                id,
                                job.remote.clone(),
                                job.file_num,
                                job.show_hidden
                            ))
                            .await
                        );
                    }
                } else {
                    if let Some(job) = get_job(id, &mut self.read_jobs) {
                        job.is_last_job = false;
                        allow_err!(
                            peer.send(&fs::new_receive(
                                id,
                                job.path.to_string_lossy().to_string(),
                                job.file_num,
                                job.files.clone()
                            ))
                            .await
                        );
                    }
                }
            }
            Data::SetNoConfirm(id) => {
                if let Some(job) = self.remove_jobs.get_mut(&id) {
                    job.no_confirm = true;
                }
            }
            Data::ConfirmDeleteFiles((id, file_num)) => {
                if let Some(job) = self.remove_jobs.get_mut(&id) {
                    let i = file_num as usize;
                    if i < job.files.len() {
                        // self.handler.call(
                        //     "confirmDeleteFiles",
                        //     &make_args!(id, file_num, job.files[i].name.clone()),
                        // );
                        self.handler.confirm_delete_files(id, file_num);
                    }
                }
            }
            Data::SetConfirmOverrideFile((id, file_num, need_override, remember, is_upload)) => {
                if is_upload {
                    if let Some(job) = fs::get_job(id, &mut self.read_jobs) {
                        if remember {
                            job.set_overwrite_strategy(Some(need_override));
                        }
                        job.confirm(&FileTransferSendConfirmRequest {
                            id,
                            file_num,
                            union: if need_override {
                                Some(file_transfer_send_confirm_request::Union::OffsetBlk(0))
                            } else {
                                Some(file_transfer_send_confirm_request::Union::Skip(true))
                            },
                            ..Default::default()
                        });
                    }
                } else {
                    if let Some(job) = fs::get_job(id, &mut self.write_jobs) {
                        if remember {
                            job.set_overwrite_strategy(Some(need_override));
                        }
                        let mut msg = Message::new();
                        let mut file_action = FileAction::new();
                        file_action.set_send_confirm(FileTransferSendConfirmRequest {
                            id,
                            file_num,
                            union: if need_override {
                                Some(file_transfer_send_confirm_request::Union::OffsetBlk(0))
                            } else {
                                Some(file_transfer_send_confirm_request::Union::Skip(true))
                            },
                            ..Default::default()
                        });
                        msg.set_file_action(file_action);
                        allow_err!(peer.send(&msg).await);
                    }
                }
            }
            Data::RemoveDirAll((id, path, is_remote, include_hidden)) => {
                let sep = self.handler.get_path_sep(is_remote);
                if is_remote {
                    let mut msg_out = Message::new();
                    let mut file_action = FileAction::new();
                    file_action.set_all_files(ReadAllFiles {
                        id,
                        path: path.clone(),
                        include_hidden,
                        ..Default::default()
                    });
                    msg_out.set_file_action(file_action);
                    allow_err!(peer.send(&msg_out).await);
                    self.remove_jobs
                        .insert(id, RemoveJob::new(Vec::new(), path, sep, is_remote));
                } else {
                    match fs::get_recursive_files(&path, include_hidden) {
                        Ok(entries) => {
                            // let m = make_fd(id, &entries, true);
                            // self.handler.call("updateFolderFiles", &make_args!(m));
                            self.remove_jobs
                                .insert(id, RemoveJob::new(entries, path, sep, is_remote));
                        }
                        Err(err) => {
                            self.handle_job_status(id, -1, Some(err.to_string()));
                        }
                    }
                }
            }
            Data::CancelJob(id) => {
                let mut msg_out = Message::new();
                let mut file_action = FileAction::new();
                file_action.set_cancel(FileTransferCancel {
                    id: id,
                    ..Default::default()
                });
                msg_out.set_file_action(file_action);
                allow_err!(peer.send(&msg_out).await);
                if let Some(job) = fs::get_job(id, &mut self.write_jobs) {
                    job.remove_download_file();
                    fs::remove_job(id, &mut self.write_jobs);
                }
                fs::remove_job(id, &mut self.read_jobs);
                self.remove_jobs.remove(&id);
            }
            Data::RemoveDir((id, path)) => {
                let mut msg_out = Message::new();
                let mut file_action = FileAction::new();
                file_action.set_remove_dir(FileRemoveDir {
                    id,
                    path,
                    recursive: true,
                    ..Default::default()
                });
                msg_out.set_file_action(file_action);
                allow_err!(peer.send(&msg_out).await);
            }
            Data::RemoveFile((id, path, file_num, is_remote)) => {
                if is_remote {
                    let mut msg_out = Message::new();
                    let mut file_action = FileAction::new();
                    file_action.set_remove_file(FileRemoveFile {
                        id,
                        path,
                        file_num,
                        ..Default::default()
                    });
                    msg_out.set_file_action(file_action);
                    allow_err!(peer.send(&msg_out).await);
                } else {
                    match fs::remove_file(&path) {
                        Err(err) => {
                            self.handle_job_status(id, file_num, Some(err.to_string()));
                        }
                        Ok(()) => {
                            self.handle_job_status(id, file_num, None);
                        }
                    }
                }
            }
            Data::CreateDir((id, path, is_remote)) => {
                if is_remote {
                    let mut msg_out = Message::new();
                    let mut file_action = FileAction::new();
                    file_action.set_create(FileDirCreate {
                        id,
                        path,
                        ..Default::default()
                    });
                    msg_out.set_file_action(file_action);
                    allow_err!(peer.send(&msg_out).await);
                } else {
                    match fs::create_dir(&path) {
                        Err(err) => {
                            self.handle_job_status(id, -1, Some(err.to_string()));
                        }
                        Ok(()) => {
                            self.handle_job_status(id, -1, None);
                        }
                    }
                }
            }
            _ => {}
        }
        true
    }

    #[inline]
    fn update_job_status(
        job: &fs::TransferJob,
        elapsed: i32,
        last_update_jobs_status: &mut (Instant, HashMap<i32, u64>),
        handler: &mut Session<T>,
    ) {
        if elapsed <= 0 {
            return;
        }
        let transferred = job.transferred();
        let last_transferred = {
            if let Some(v) = last_update_jobs_status.1.get(&job.id()) {
                v.to_owned()
            } else {
                0
            }
        };
        last_update_jobs_status.1.insert(job.id(), transferred);
        let speed = (transferred - last_transferred) as f64 / (elapsed as f64 / 1000.);
        let file_num = job.file_num() - 1;
        // handler.call(
        //     "jobProgress",
        //     &make_args!(job.id(), file_num, speed, job.finished_size() as f64),
        // );
        handler.job_progress(job.id(), file_num, speed, job.finished_size() as f64);
    }

    fn update_jobs_status(&mut self) {
        let elapsed = self.last_update_jobs_status.0.elapsed().as_millis() as i32;
        if elapsed >= 1000 {
            for job in self.read_jobs.iter() {
                Self::update_job_status(
                    job,
                    elapsed,
                    &mut self.last_update_jobs_status,
                    &mut self.handler,
                );
            }
            for job in self.write_jobs.iter() {
                Self::update_job_status(
                    job,
                    elapsed,
                    &mut self.last_update_jobs_status,
                    &mut self.handler,
                );
            }
            self.last_update_jobs_status.0 = Instant::now();
        }
    }

    pub async fn sync_jobs_status_to_local(&mut self) -> bool {
        log::info!("sync transfer job status");
        let mut config: PeerConfig = self.handler.load_config();
        let mut transfer_metas = TransferSerde::default();
        for job in self.read_jobs.iter() {
            let json_str = serde_json::to_string(&job.gen_meta()).unwrap_or_default();
            transfer_metas.read_jobs.push(json_str);
        }
        for job in self.write_jobs.iter() {
            let json_str = serde_json::to_string(&job.gen_meta()).unwrap_or_default();
            transfer_metas.write_jobs.push(json_str);
        }
        log::info!("meta: {:?}", transfer_metas);
        config.transfer = transfer_metas;
        self.handler.save_config(config);
        true
    }

    async fn send_opts_after_login(&self, peer: &mut Stream) {
        if let Some(opts) = self
            .handler
            .lc
            .read()
            .unwrap()
            .get_option_message_after_login()
        {
            let mut misc = Misc::new();
            misc.set_option(opts);
            let mut msg_out = Message::new();
            msg_out.set_misc(misc);
            allow_err!(peer.send(&msg_out).await);
        }
    }

    async fn handle_msg_from_peer(&mut self, data: &[u8], peer: &mut Stream) -> bool {
        if let Ok(msg_in) = Message::parse_from_bytes(&data) {
            match msg_in.union {
                Some(message::Union::VideoFrame(vf)) => {
                    if !self.first_frame {
                        self.first_frame = true;
                        // self.handler.call2("closeSuccess", &make_args!());
                        self.handler.close_success();
                        // self.handler.call("adaptSize", &make_args!());
                        self.handler.adapt_size();
                        self.send_opts_after_login(peer).await;
                    }
                    let incomming_format = CodecFormat::from(&vf);
                    if self.video_format != incomming_format {
                        self.video_format = incomming_format.clone();
                        self.handler.update_quality_status(QualityStatus {
                            codec_format: Some(incomming_format),
                            ..Default::default()
                        })
                    };
                    self.video_sender.send(MediaData::VideoFrame(vf)).ok();
                }
                Some(message::Union::Hash(hash)) => {
                    self.handler
                        .handle_hash(&self.handler.password.clone(), hash, peer)
                        .await;
                }
                Some(message::Union::LoginResponse(lr)) => match lr.union {
                    Some(login_response::Union::Error(err)) => {
                        if !self.handler.handle_login_error(&err) {
                            return false;
                        }
                    }
                    Some(login_response::Union::PeerInfo(pi)) => {
                        self.handler.handle_peer_info(pi);
                        // self.check_clipboard_file_context();
                        // if !(self.handler.is_file_transfer()
                        //     || self.handler.is_port_forward()
                        //     || !SERVER_CLIPBOARD_ENABLED.load(Ordering::SeqCst)
                        //     || !SERVER_KEYBOARD_ENABLED.load(Ordering::SeqCst)
                        //     || self.handler.lc.read().unwrap().disable_clipboard)
                        // {
                        //     let txt = self.old_clipboard.lock().unwrap().clone();
                        //     if !txt.is_empty() {
                        //         let msg_out = crate::create_clipboard_msg(txt);
                        //         let sender = self.sender.clone();
                        //         tokio::spawn(async move {
                        //             // due to clipboard service interval time
                        //             sleep(common::CLIPBOARD_INTERVAL as f32 / 1_000.).await;
                        //             sender.send(Data::Message(msg_out)).ok();
                        //         });
                        //     }
                        // }

                        // if self.handler.is_file_transfer() {
                        //     self.load_last_jobs().await;
                        // }
                    }
                    _ => {}
                },
                Some(message::Union::CursorData(cd)) => {
                    self.handler.set_cursor_data(cd);
                }
                Some(message::Union::CursorId(id)) => {
                    self.handler.set_cursor_id(id.to_string());
                }
                Some(message::Union::CursorPosition(cp)) => {
                    self.handler.set_cursor_position(cp);
                }
                Some(message::Union::Clipboard(cb)) => {
                    if !self.handler.lc.read().unwrap().disable_clipboard {
                        update_clipboard(cb, Some(&self.old_clipboard));
                    }
                }
                #[cfg(windows)]
                Some(message::Union::Cliprdr(clip)) => {
                    if !self.handler.lc.read().unwrap().disable_clipboard {
                        if let Some(context) = &mut self.clipboard_file_context {
                            if let Some(clip) = msg_2_clip(clip) {
                                server_clip_file(context, 0, clip);
                            }
                        }
                    }
                }
                Some(message::Union::FileResponse(fr)) => {
                    match fr.union {
                        Some(file_response::Union::Dir(fd)) => {
                            #[cfg(windows)]
                            let entries = fd.entries.to_vec();
                            #[cfg(not(windows))]
                            let mut entries = fd.entries.to_vec();
                            #[cfg(not(windows))]
                            {
                                if self.handler.peer_platform() == "Windows" {
                                    fs::transform_windows_path(&mut entries);
                                }
                            }
                            // let mut m = make_fd(fd.id, &entries, fd.id > 0);
                            // if fd.id <= 0 {
                            //     m.set_item("path", fd.path);
                            // }
                            // self.handler.call("updateFolderFiles", &make_args!(m));
                            if let Some(job) = fs::get_job(fd.id, &mut self.write_jobs) {
                                log::info!("job set_files: {:?}", entries);
                                job.set_files(entries);
                            } else if let Some(job) = self.remove_jobs.get_mut(&fd.id) {
                                job.files = entries;
                            }
                        }
                        Some(file_response::Union::Digest(digest)) => {
                            if digest.is_upload {
                                if let Some(job) = fs::get_job(digest.id, &mut self.read_jobs) {
                                    if let Some(file) = job.files().get(digest.file_num as usize) {
                                        let read_path = get_string(&job.join(&file.name));
                                        let overwrite_strategy = job.default_overwrite_strategy();
                                        if let Some(overwrite) = overwrite_strategy {
                                            let req = FileTransferSendConfirmRequest {
                                                id: digest.id,
                                                file_num: digest.file_num,
                                                union: Some(if overwrite {
                                                    file_transfer_send_confirm_request::Union::OffsetBlk(0)
                                                } else {
                                                    file_transfer_send_confirm_request::Union::Skip(
                                                        true,
                                                    )
                                                }),
                                                ..Default::default()
                                            };
                                            job.confirm(&req);
                                            let msg = new_send_confirm(req);
                                            allow_err!(peer.send(&msg).await);
                                        } else {
                                            // self.handler.call(
                                            //     "overrideFileConfirm",
                                            //     &make_args!(
                                            //         digest.id,
                                            //         digest.file_num,
                                            //         read_path,
                                            //         true
                                            //     ),
                                            // );
                                            self.handler.override_file_confirm(
                                                digest.id,
                                                digest.file_num,
                                                read_path,
                                                true,
                                            );
                                        }
                                    }
                                }
                            } else {
                                if let Some(job) = fs::get_job(digest.id, &mut self.write_jobs) {
                                    if let Some(file) = job.files().get(digest.file_num as usize) {
                                        let write_path = get_string(&job.join(&file.name));
                                        let overwrite_strategy = job.default_overwrite_strategy();
                                        match fs::is_write_need_confirmation(&write_path, &digest) {
                                            Ok(res) => match res {
                                                DigestCheckResult::IsSame => {
                                                    let msg= new_send_confirm(FileTransferSendConfirmRequest {
                                                        id: digest.id,
                                                        file_num: digest.file_num,
                                                        union: Some(file_transfer_send_confirm_request::Union::Skip(true)),
                                                        ..Default::default()
                                                    });
                                                    allow_err!(peer.send(&msg).await);
                                                }
                                                DigestCheckResult::NeedConfirm(digest) => {
                                                    if let Some(overwrite) = overwrite_strategy {
                                                        let msg = new_send_confirm(
                                                            FileTransferSendConfirmRequest {
                                                                id: digest.id,
                                                                file_num: digest.file_num,
                                                                union: Some(if overwrite {
                                                                    file_transfer_send_confirm_request::Union::OffsetBlk(0)
                                                                } else {
                                                                    file_transfer_send_confirm_request::Union::Skip(true)
                                                                }),
                                                                ..Default::default()
                                                            },
                                                        );
                                                        allow_err!(peer.send(&msg).await);
                                                    } else {
                                                        // self.handler.call(
                                                        //     "overrideFileConfirm",
                                                        //     &make_args!(
                                                        //         digest.id,
                                                        //         digest.file_num,
                                                        //         write_path,
                                                        //         false
                                                        //     ),
                                                        // );
                                                        self.handler.override_file_confirm(
                                                            digest.id,
                                                            digest.file_num,
                                                            write_path,
                                                            false,
                                                        );
                                                    }
                                                }
                                                DigestCheckResult::NoSuchFile => {
                                                    let msg = new_send_confirm(
                                                    FileTransferSendConfirmRequest {
                                                        id: digest.id,
                                                        file_num: digest.file_num,
                                                        union: Some(file_transfer_send_confirm_request::Union::OffsetBlk(0)),
                                                        ..Default::default()
                                                    },
                                                );
                                                    allow_err!(peer.send(&msg).await);
                                                }
                                            },
                                            Err(err) => {
                                                println!("error recving digest: {}", err);
                                            }
                                        }
                                    }
                                }
                            }
                        }
                        Some(file_response::Union::Block(block)) => {
                            log::info!(
                                "file response block, file id:{}, file num: {}",
                                block.id,
                                block.file_num
                            );
                            if let Some(job) = fs::get_job(block.id, &mut self.write_jobs) {
                                if let Err(_err) = job.write(block, None).await {
                                    // to-do: add "skip" for writing job
                                }
                                self.update_jobs_status();
                            }
                        }
                        Some(file_response::Union::Done(d)) => {
                            if let Some(job) = fs::get_job(d.id, &mut self.write_jobs) {
                                job.modify_time();
                                fs::remove_job(d.id, &mut self.write_jobs);
                            }
                            self.handle_job_status(d.id, d.file_num, None);
                        }
                        Some(file_response::Union::Error(e)) => {
                            self.handle_job_status(e.id, e.file_num, Some(e.error));
                        }
                        _ => {}
                    }
                }
                Some(message::Union::Misc(misc)) => match misc.union {
                    Some(misc::Union::AudioFormat(f)) => {
                        self.audio_sender.send(MediaData::AudioFormat(f)).ok();
                    }
                    Some(misc::Union::ChatMessage(c)) => {
                        // self.handler.call("newMessage", &make_args!(c.text)); // TODO
                    }
                    Some(misc::Union::PermissionInfo(p)) => {
                        log::info!("Change permission {:?} -> {}", p.permission, p.enabled);
                        match p.permission.enum_value_or_default() {
                            Permission::Keyboard => {
                                SERVER_KEYBOARD_ENABLED.store(p.enabled, Ordering::SeqCst);
                                // self.handler
                                //     .call2("setPermission", &make_args!("keyboard", p.enabled));
                                self.handler.set_permission("keyboard", p.enabled);
                            }
                            Permission::Clipboard => {
                                SERVER_CLIPBOARD_ENABLED.store(p.enabled, Ordering::SeqCst);
                                // self.handler
                                //     .call2("setPermission", &make_args!("clipboard", p.enabled));
                                self.handler.set_permission("clipboard", p.enabled);
                            }
                            Permission::Audio => {
                                // self.handler
                                //     .call2("setPermission", &make_args!("audio", p.enabled));
                                self.handler.set_permission("audio", p.enabled);
                            }
                            Permission::File => {
                                SERVER_FILE_TRANSFER_ENABLED.store(p.enabled, Ordering::SeqCst);
                                if !p.enabled && self.handler.is_file_transfer() {
                                    return true;
                                }
                                self.check_clipboard_file_context();
                                // self.handler
                                //     .call2("setPermission", &make_args!("file", p.enabled));
                                self.handler.set_permission("file", p.enabled);
                            }
                            Permission::Restart => {
                                // self.handler
                                //     .call2("setPermission", &make_args!("restart", p.enabled));
                                self.handler.set_permission("restart", p.enabled);
                            }
                        }
                    }
                    Some(misc::Union::SwitchDisplay(s)) => {
                        // self.handler.call("switchDisplay", &make_args!(s.display)); // TODO
                        self.video_sender.send(MediaData::Reset).ok();
                        if s.width > 0 && s.height > 0 {
                            self.handler.set_display(s.x, s.y, s.width, s.height);
                        }
                    }
                    Some(misc::Union::CloseReason(c)) => {
                        self.handler.msgbox("error", "Connection Error", &c);
                        return false;
                    }
                    Some(misc::Union::BackNotification(notification)) => {
                        if !self.handle_back_notification(notification).await {
                            return false;
                        }
                    }
                    _ => {}
                },
                Some(message::Union::TestDelay(t)) => {
                    self.handler.handle_test_delay(t, peer).await;
                }
                Some(message::Union::AudioFrame(frame)) => {
                    if !self.handler.lc.read().unwrap().disable_audio {
                        self.audio_sender.send(MediaData::AudioFrame(frame)).ok();
                    }
                }
                Some(message::Union::FileAction(action)) => match action.union {
                    Some(file_action::Union::SendConfirm(c)) => {
                        if let Some(job) = fs::get_job(c.id, &mut self.read_jobs) {
                            job.confirm(&c);
                        }
                    }
                    _ => {}
                },
                _ => {}
            }
        }
        true
    }

    async fn handle_back_notification(&mut self, notification: BackNotification) -> bool {
        match notification.union {
            Some(back_notification::Union::BlockInputState(state)) => {
                self.handle_back_msg_block_input(
                    state.enum_value_or(back_notification::BlockInputState::BlkStateUnknown),
                )
                .await;
            }
            Some(back_notification::Union::PrivacyModeState(state)) => {
                if !self
                    .handle_back_msg_privacy_mode(
                        state.enum_value_or(back_notification::PrivacyModeState::PrvStateUnknown),
                    )
                    .await
                {
                    return false;
                }
            }
            _ => {}
        }
        true
    }

    #[inline(always)]
    fn update_block_input_state(&mut self, on: bool) {
        // self.handler.call("updateBlockInputState", &make_args!(on)); // TODO
    }

    async fn handle_back_msg_block_input(&mut self, state: back_notification::BlockInputState) {
        match state {
            back_notification::BlockInputState::BlkOnSucceeded => {
                self.update_block_input_state(true);
            }
            back_notification::BlockInputState::BlkOnFailed => {
                self.handler
                    .msgbox("custom-error", "Block user input", "Failed");
                self.update_block_input_state(false);
            }
            back_notification::BlockInputState::BlkOffSucceeded => {
                self.update_block_input_state(false);
            }
            back_notification::BlockInputState::BlkOffFailed => {
                self.handler
                    .msgbox("custom-error", "Unblock user input", "Failed");
            }
            _ => {}
        }
    }

    #[inline(always)]
    fn update_privacy_mode(&mut self, on: bool) {
        let mut config = self.handler.load_config();
        config.privacy_mode = on;
        self.handler.save_config(config);

        // self.handler.call("updatePrivacyMode", &[]);
        self.handler.update_privacy_mode();
    }

    async fn handle_back_msg_privacy_mode(
        &mut self,
        state: back_notification::PrivacyModeState,
    ) -> bool {
        match state {
            back_notification::PrivacyModeState::PrvOnByOther => {
                self.handler.msgbox(
                    "error",
                    "Connecting...",
                    "Someone turns on privacy mode, exit",
                );
                return false;
            }
            back_notification::PrivacyModeState::PrvNotSupported => {
                self.handler
                    .msgbox("custom-error", "Privacy mode", "Unsupported");
                self.update_privacy_mode(false);
            }
            back_notification::PrivacyModeState::PrvOnSucceeded => {
                self.handler
                    .msgbox("custom-nocancel", "Privacy mode", "In privacy mode");
                self.update_privacy_mode(true);
            }
            back_notification::PrivacyModeState::PrvOnFailedDenied => {
                self.handler
                    .msgbox("custom-error", "Privacy mode", "Peer denied");
                self.update_privacy_mode(false);
            }
            back_notification::PrivacyModeState::PrvOnFailedPlugin => {
                self.handler
                    .msgbox("custom-error", "Privacy mode", "Please install plugins");
                self.update_privacy_mode(false);
            }
            back_notification::PrivacyModeState::PrvOnFailed => {
                self.handler
                    .msgbox("custom-error", "Privacy mode", "Failed");
                self.update_privacy_mode(false);
            }
            back_notification::PrivacyModeState::PrvOffSucceeded => {
                self.handler
                    .msgbox("custom-nocancel", "Privacy mode", "Out privacy mode");
                self.update_privacy_mode(false);
            }
            back_notification::PrivacyModeState::PrvOffByPeer => {
                self.handler
                    .msgbox("custom-error", "Privacy mode", "Peer exit");
                self.update_privacy_mode(false);
            }
            back_notification::PrivacyModeState::PrvOffFailed => {
                self.handler
                    .msgbox("custom-error", "Privacy mode", "Failed to turn off");
            }
            back_notification::PrivacyModeState::PrvOffUnknown => {
                self.handler
                    .msgbox("custom-error", "Privacy mode", "Turned off");
                // log::error!("Privacy mode is turned off with unknown reason");
                self.update_privacy_mode(false);
            }
            _ => {}
        }
        true
    }

    fn check_clipboard_file_context(&mut self) {
        #[cfg(windows)]
        {
            let enabled = SERVER_FILE_TRANSFER_ENABLED.load(Ordering::SeqCst)
                && self.handler.lc.read().unwrap().enable_file_transfer;
            if enabled == self.clipboard_file_context.is_none() {
                self.clipboard_file_context = if enabled {
                    match create_clipboard_file_context(true, false) {
                        Ok(context) => {
                            log::info!("clipboard context for file transfer created.");
                            Some(context)
                        }
                        Err(err) => {
                            log::error!(
                                "Create clipboard context for file transfer: {}",
                                err.to_string()
                            );
                            None
                        }
                    }
                } else {
                    log::info!("clipboard context for file transfer destroyed.");
                    None
                };
            }
        }
    }
}

struct RemoveJob {
    files: Vec<FileEntry>,
    path: String,
    sep: &'static str,
    is_remote: bool,
    no_confirm: bool,
    last_update_job_status: Instant,
}

impl RemoveJob {
    fn new(files: Vec<FileEntry>, path: String, sep: &'static str, is_remote: bool) -> Self {
        Self {
            files,
            path,
            sep,
            is_remote,
            no_confirm: false,
            last_update_job_status: Instant::now(),
        }
    }

    pub fn _gen_meta(&self) -> RemoveJobMeta {
        RemoveJobMeta {
            path: self.path.clone(),
            is_remote: self.is_remote,
            no_confirm: self.no_confirm,
        }
    }
}

#[tokio::main(flavor = "current_thread")]
async fn send_note(url: String, id: String, conn_id: i32, note: String) {
    let body = serde_json::json!({ "id": id, "Id": conn_id, "note": note });
    allow_err!(crate::post_request(url, body.to_string(), "").await);
}