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diff --git a/.gitmodules b/.gitmodules
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+ "signal-hook-registry",
+ "slab",
+ "tokio-macros",
+ "winapi 0.3.8",
+]
+
+[[package]]
+name = "tokio-macros"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0c3acc6aa564495a0f2e1d59fab677cd7f81a19994cfc7f3ad0e64301560389"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "unicode-xid"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"
+
+[[package]]
+name = "uuid"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9fde2f6a4bea1d6e007c4ad38c6839fa71cbb63b6dbf5b595aa38dc9b1093c11"
+dependencies = [
+ "rand",
+]
+
+[[package]]
+name = "wasi"
+version = "0.9.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
+
+[[package]]
+name = "winapi"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
+
+[[package]]
+name = "winapi"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8093091eeb260906a183e6ae1abdba2ef5ef2257a21801128899c3fc699229c6"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-build"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
+[[package]]
+name = "winapi-util"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
+dependencies = [
+ "winapi 0.3.8",
+]
+
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[package]]
+name = "ws2_32-sys"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
+dependencies = [
+ "winapi 0.2.8",
+ "winapi-build",
+]
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..31bac94
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,20 @@
+[package]
+name = "pert"
+version = "0.1.0"
+authors = ["syn <isaqtm@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+"rust-tdlib" = { path = "rust-tdlib" }
+# serde = { version = "1", features = ["derive"] }
+json = "0.12"
+dotenv = "0.15"
+log = "0.4"
+env_logger = "0.7"
+futures = "0.3"
+uuid = { version = "0.8", features = ["v4"] }
+[dependencies.tokio]
+    version = "0.2"
+    features = ["full"]
diff --git a/build.rs b/build.rs
new file mode 100644
index 0000000..eec334e
--- /dev/null
+++ b/build.rs
@@ -0,0 +1,14 @@
+use std::path::PathBuf;
+use std::env;
+
+fn main() {
+    let crate_root: PathBuf = env::var("CARGO_MANIFEST_DIR").unwrap().into();
+    let tdlib_path: PathBuf = {
+        env::var("TDLIB_LIBRARY_PATH")
+            .map_or_else(
+                |_err| crate_root.join("td/build"),
+                |lib_path| PathBuf::from(lib_path)
+            )
+    };
+    println!("cargo:rustc-link-search={}", tdlib_path.to_string_lossy());
+}
diff --git a/rust-tdlib b/rust-tdlib
new file mode 160000
+Subproject 9457dac8d48aaf7658c083601474f09be6d3649
diff --git a/src/client.rs b/src/client.rs
new file mode 100644
index 0000000..db46819
--- /dev/null
+++ b/src/client.rs
@@ -0,0 +1,187 @@
+use log::{ info, error, warn, trace };
+use rust_tdlib::Tdlib;
+use std::{
+    task::{ Waker, Context, Poll },
+    future::Future,
+    pin::Pin,
+    sync::{
+        mpsc::{ Sender, Receiver, channel },
+        Arc,
+        Mutex
+    },
+    thread,
+};
+use uuid::Uuid;
+use std::collections::HashMap;
+use json::JsonValue;
+
+
+#[derive(Debug)]
+pub struct RequestData {
+    req: JsonValue,
+    resp: Option<JsonValue>,
+    waker: Option<Waker>,
+}
+
+#[derive(Debug, Clone)]
+pub struct RequestFuture {
+    data: Arc<Mutex<RequestData>>
+}
+
+impl Future for RequestFuture {
+    type Output = JsonValue;
+
+    fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
+        let mut data = self.data.lock().unwrap();
+        if let Some(resp) = &data.resp {
+            Poll::Ready(resp.clone())
+        } else {
+            data.waker = Some(cx.waker().clone());
+            Poll::Pending
+        }
+    }
+}
+
+#[derive(Debug)]
+enum JoinStreams {
+    NewRequest(RequestFuture),
+    NewResponse(String),
+}
+
+#[derive(Debug)]
+pub struct Client {
+    //waker_handle: std::thread::JoinHandle<()>,
+    sender: Sender<JoinStreams>,
+}
+
+impl Client {
+    pub fn new(log_opt: Option<i32>) -> Self {
+        if let Some(log) = log_opt {
+            Tdlib::set_log_verbosity_level(log).ok();
+        }
+        let (tx, rx) = channel();
+        let tx_for_tg = tx.clone();
+        let api = Arc::new(Tdlib::new());
+        let api_for_listener = api.clone();
+        let api_for_responder = api.clone();
+        let rt = tokio::runtime::Handle::try_current().expect("Must be in runtime already");
+        let _run_handle = thread::spawn(
+            move || OneshotResponder::new(rx, api_for_responder).run(rt)
+        );
+        let _tg_handle = thread::spawn(
+            move || Self::listen_tg(tx_for_tg, api_for_listener, 1.0)
+        );
+
+        Self {
+            //waker_handle: _run_handle,
+            sender: tx
+        }
+    }
+
+    pub fn send(&mut self, req: &JsonValue) -> RequestFuture {
+        let request = RequestData {
+            req: req.to_owned(),
+            resp: None,
+            waker: None
+        };
+        let fut = RequestFuture {
+            data: Arc::new(Mutex::new(request))
+        };
+
+        self.sender.send(JoinStreams::NewRequest(fut.clone())).unwrap();
+        fut
+    }
+
+    fn listen_tg(tx: Sender<JoinStreams>, api: Arc<Tdlib>, timeout: f64) {
+        loop {
+            if let Some(msg) = api.receive(timeout) {
+                tx.send(JoinStreams::NewResponse(msg)).unwrap();
+            } else {
+                info!("receive timed out");
+            }
+        }
+    }
+}
+
+#[derive(Debug)]
+struct OneshotResponder {
+    api: Arc<Tdlib>,
+    wakers_map: HashMap<Uuid, RequestFuture>,
+    rx: Receiver<JoinStreams>,
+}
+
+impl OneshotResponder {
+    fn new(rx: Receiver<JoinStreams>, api: Arc<Tdlib>) -> Self {
+        Self {
+            api: api,
+            wakers_map: HashMap::new(),
+            rx: rx
+        }
+    }
+    
+    fn run(&mut self, rt: tokio::runtime::Handle) {
+        let mut updater = crate::update::UpdateRouter::new(rt);
+        updater.add_handler("updateOption", |val: JsonValue| { async move { info!("async update: {}", val) } });
+        loop {
+            match self.rx.recv() {
+                Ok(JoinStreams::NewRequest(fut)) => {
+                    let id = loop {
+                        let id = Uuid::new_v4();
+                        if self.wakers_map.contains_key(&id) {
+                            continue;
+                        } else {
+                            break id;
+                        }
+                    };
+                    let data = fut.data.clone();
+                    let request: &mut JsonValue = &mut data.lock().unwrap().req;
+                    if request.has_key("@extra") {
+                        warn!("overwriting @extra in request");
+                    }
+                    request["@extra"] = JsonValue::from(id.to_hyphenated().to_string());
+                    self.api.send(request.dump().as_ref());
+                    self.wakers_map.insert(id, fut);
+                    trace!("new req:\n{}", json::stringify_pretty(request.clone(), 2));
+                },
+                Ok(JoinStreams::NewResponse(resp)) => {
+                    match json::parse(resp.as_ref()) {
+                        Ok(val) => {
+                            trace!("received update: {}", val);
+                            let typ = val["@type"].as_str().unwrap();
+                            if typ.starts_with("update") {
+                                updater.dispatch(val);
+                            } else {
+                                self.handle_response(val);
+                            }
+                        },
+                        Err(e) => {
+                            warn!("ignoring invalid response. err: {}, resp: {}", e, resp);
+                        }
+                    }
+                },
+                Err(e) => {
+                    error!("stream closed: {}", e);
+                    error!("closing thread");
+                    break;
+                }
+            }
+        }
+    }
+
+    fn handle_response(&mut self, resp: JsonValue) {
+        if let Some(id_str) = resp["@extra"].as_str() {
+            if let Ok(id) = Uuid::parse_str(id_str) {
+                let fut_data = self.wakers_map
+                    .remove(&id)
+                    .unwrap()
+                    .data;
+                fut_data.lock().unwrap().resp = Some(resp);
+                fut_data.lock().unwrap()
+                    .waker.as_ref()
+                    .and_then(|waker: &Waker| { waker.clone().wake(); Some(()) });
+            }
+        } else {
+            warn!("update has invalid @extra: {}", resp);
+        }
+    }
+}
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..289ad02
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,54 @@
+use std::env;
+use tokio;
+
+mod client;
+//mod auth;
+mod update;
+//mod message;
+
+#[tokio::main]
+async fn main() {
+    dotenv::dotenv().ok();
+    env_logger::init();
+    let tg_log: Option<i32> = env::var("TG_LOG")
+        .ok()
+        .and_then(|var| var.parse().ok());
+
+    let mut tg = client::Client::new(tg_log);
+
+    tokio::spawn(async move {
+        let _auth_state = tg.send(
+            &json::object!{
+                "@type": "getAuthorizationState"
+            }
+        ).await;
+        let cache = env::current_dir().unwrap().join("cache");
+        let resp = tg.send(&json::object!{
+            "@type": "setTdlibParameters",
+            "parameters": {
+                "use_test_dc": false,
+                "api_id": env::var("API_ID").unwrap(),
+                "api_hash": env::var("API_HASH").unwrap(),
+                "device_model": "mbia",
+                "system_version": "Catalina",
+                "application_version": "0.1",
+                "system_language_code": "en",
+                "database_directory": cache.join("database").to_str().unwrap(),
+                "use_message_database": false,
+                "files_directory": cache.join("files").to_str().unwrap(),
+                "use_secret_chats": false,
+            },
+        }).await;
+        println!("resp: {}", resp);
+    });
+    std::thread::sleep(std::time::Duration::new(1, 0));
+}
+
+
+/*
+fn main() {
+    runtime::Runtime::new(|arc_msg, tx| {
+        tx.send(std::sync::Arc::new(runtime::Task{})).unwrap();
+    }).run();
+}
+*/
diff --git a/src/update.rs b/src/update.rs
new file mode 100644
index 0000000..a6884e3
--- /dev/null
+++ b/src/update.rs
@@ -0,0 +1,40 @@
+use std::collections::HashMap;
+use json::JsonValue;
+use std::future::Future;
+use futures::future::BoxFuture;
+
+pub trait Handler: Send + Sync + 'static {
+    fn handle(&self, _: JsonValue) -> BoxFuture<'static, ()>;
+}
+
+impl<C, F> Handler for C
+where C: Send + Sync + 'static + Fn(JsonValue) -> F,
+      F: Future<Output = ()> + 'static + Send {
+    fn handle(&self, req: JsonValue) -> BoxFuture<'static, ()> {
+        Box::pin((*self)(req))
+    }
+}
+
+pub struct UpdateRouter {
+    router: HashMap<String, Box<dyn Handler>>,
+    rt: tokio::runtime::Handle,
+}
+
+impl UpdateRouter {
+    pub fn new(rt: tokio::runtime::Handle) -> Self {
+        Self {
+            router: HashMap::new(),
+            rt: rt
+        }
+    }
+    pub fn add_handler<H: Handler>(&mut self, update_type: &str, handler: H) {
+        self.router.insert(update_type.to_owned(), Box::new(handler));
+    }
+
+    pub fn dispatch(&self, update: JsonValue) {
+        let update_type: &str = update["@type"].as_str().unwrap();
+        self.router.get(update_type)
+            .and_then(|handler| { self.rt.spawn(handler.handle(update)); Some(()) })
+            .or_else(|| { println!("handler not found"); Some(()) });
+    }
+}
diff --git a/td b/td
new file mode 160000
+Subproject f2cb3afaef62f2dba2a0dc3dc63e374beabcb2d