exp: client host and demo app using wasm/wasmtime
diff --git a/apps/client/hello/hello_rust/Cargo.lock b/apps/client/hello/hello_rust/Cargo.lock
new file mode 100644
index 0000000..574e459
--- /dev/null
+++ b/apps/client/hello/hello_rust/Cargo.lock
@@ -0,0 +1,389 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "autocfg"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
+
+[[package]]
+name = "bumpalo"
+version = "3.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a4a45a46ab1f2412e53d3a0ade76ffad2025804294569aae387231a0cd6e0899"
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+
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+dependencies = [
+ "bitflags",
+ "crossterm_winapi",
+ "libc",
+ "mio",
+ "parking_lot",
+ "signal-hook",
+ "signal-hook-mio",
+ "winapi",
+]
+
+[[package]]
+name = "crossterm_winapi"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2ae1b35a484aa10e07fe0638d02301c5ad24de82d310ccbd2f3693da5f09bf1c"
+dependencies = [
+ "winapi",
+]
+
+[[package]]
+name = "hello_rust"
+version = "0.1.0"
+dependencies = [
+ "crossterm",
+ "tui",
+ "wasm-bindgen",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+[[package]]
+name = "lock_api"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "327fa5b6a6940e4699ec49a9beae1ea4845c6bab9314e4f84ac68742139d8c53"
+dependencies = [
+ "autocfg",
+ "scopeguard",
+]
+
+[[package]]
+name = "log"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "abb12e687cfb44aa40f41fc3978ef76448f9b6038cad6aef4259d3c095a2382e"
+dependencies = [
+ "cfg-if",
+]
+
+[[package]]
+name = "mio"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "52da4364ffb0e4fe33a9841a98a3f3014fb964045ce4f7a45a398243c8d6b0c9"
+dependencies = [
+ "libc",
+ "log",
+ "miow",
+ "ntapi",
+ "wasi",
+ "winapi",
+]
+
+[[package]]
+name = "miow"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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+dependencies = [
+ "winapi",
+]
+
+[[package]]
+name = "ntapi"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c28774a7fd2fbb4f0babd8237ce554b73af68021b5f695a3cebd6c59bac0980f"
+dependencies = [
+ "winapi",
+]
+
+[[package]]
+name = "parking_lot"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87f5ec2493a61ac0506c0f4199f99070cbe83857b0337006a30f3e6719b8ef58"
+dependencies = [
+ "lock_api",
+ "parking_lot_core",
+]
+
+[[package]]
+name = "parking_lot_core"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09a279cbf25cb0757810394fbc1e359949b59e348145c643a939a525692e6929"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "redox_syscall",
+ "smallvec",
+ "windows-sys",
+]
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.38"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9027b48e9d4c9175fa2218adf3557f91c1137021739951d4932f5f8268ac48aa"
+dependencies = [
+ "unicode-xid",
+]
+
+[[package]]
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+version = "1.0.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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+dependencies = [
+ "libc",
+]
+
+[[package]]
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+ "unicode-xid",
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+ "bitflags",
+ "cassowary",
+ "crossterm",
+ "unicode-segmentation",
+ "unicode-width",
+]
+
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+[[package]]
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+
+[[package]]
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+ "wasm-bindgen-macro",
+]
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+dependencies = [
+ "bumpalo",
+ "lazy_static",
+ "log",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.80"
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+dependencies = [
+ "quote",
+ "wasm-bindgen-macro-support",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
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+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-backend",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.80"
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+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
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+dependencies = [
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_msvc",
+]
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.36.1"
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+
+[[package]]
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+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.36.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2e7917148b2812d1eeafaeb22a97e4813dfa60a3f8f78ebe204bcc88f12f024"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.36.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4dcd171b8776c41b97521e5da127a2d86ad280114807d0b2ab1e462bc764d9e1"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.36.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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diff --git a/apps/client/hello/hello_rust/Cargo.toml b/apps/client/hello/hello_rust/Cargo.toml
new file mode 100644
index 0000000..4a0ef0e
--- /dev/null
+++ b/apps/client/hello/hello_rust/Cargo.toml
@@ -0,0 +1,12 @@
+[package]
+name = "hello_rust"
+version = "0.1.0"
+edition = "2021"
+
+# [lib]
+# crate-type = ['cdylib']
+
+[dependencies]
+tui = "0.18.0"
+crossterm = "0.23.2"
+wasm-bindgen = "0.2.80"
\ No newline at end of file
diff --git a/apps/client/hello/hello_rust/src/main.rs b/apps/client/hello/hello_rust/src/main.rs
new file mode 100644
index 0000000..ce372f9
--- /dev/null
+++ b/apps/client/hello/hello_rust/src/main.rs
@@ -0,0 +1,62 @@
+use wasm_bindgen::prelude::*;
+use crossterm::{
+ event::{DisableMouseCapture, EnableMouseCapture },
+ execute,
+ terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen},
+};
+use std::{error::Error, io};
+use tui::{
+ backend::{CrosstermBackend},
+ layout::{Alignment},
+ widgets::{Block, BorderType, Borders},
+ Terminal,
+};
+
+fn main() -> Result<(), Box<dyn Error>> {
+ enable_raw_mode()?;
+ let mut stdout = io::stdout();
+ execute!(stdout, EnterAlternateScreen, EnableMouseCapture)?;
+
+ let backend = CrosstermBackend::new(stdout);
+ let mut terminal = Terminal::new(backend)?;
+ let mut i: i32 = 0;
+ loop {
+ terminal.draw(|f| {
+ let size = f.size();
+ let block = Block::default()
+ .borders(Borders::ALL)
+ .title("Main block with round corners")
+ .title_alignment(Alignment::Center)
+ .border_type(BorderType::Rounded);
+ f.render_widget(block, size);
+ })?;
+ i = i + 1;
+ if i > 1000 {
+ break;
+ }
+ }
+ // restore terminal
+ disable_raw_mode()?;
+ execute!(
+ terminal.backend_mut(),
+ LeaveAlternateScreen,
+ DisableMouseCapture
+ )?;
+ terminal.show_cursor()?;
+
+ Ok(())
+}
+
+// foo
+
+#[wasm_bindgen]
+extern "C" {
+ fn hello(s: &str);
+}
+
+struct Unused<T>(T);
+
+#[no_mangle]
+pub extern "C" fn run() {
+ Unused(main());
+}