67 lines
1.8 KiB
Rust
67 lines
1.8 KiB
Rust
use rhai::Engine;
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#[cfg(feature = "sync")]
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use std::sync::Mutex;
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fn main() {
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// Channel: Script -> Master
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let (tx_script, rx_master) = std::sync::mpsc::channel();
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// Channel: Master -> Script
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let (tx_master, rx_script) = std::sync::mpsc::channel();
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#[cfg(feature = "sync")]
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let (tx_script, rx_script) = (Mutex::new(tx_script), Mutex::new(rx_script));
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// Spawn thread with Engine
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std::thread::spawn(move || {
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// Create Engine
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let mut engine = Engine::new();
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// Register API
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// Notice that the API functions are blocking
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#[cfg(not(feature = "sync"))]
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engine
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.register_fn("get", move || rx_script.recv().unwrap_or_default())
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.register_fn("put", move |v: i64| tx_script.send(v).unwrap());
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#[cfg(feature = "sync")]
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engine
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.register_fn("get", move || rx_script.lock().unwrap().recv().unwrap())
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.register_fn("put", move |v: i64| {
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tx_script.lock().unwrap().send(v).unwrap()
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});
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// Run script
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engine
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.run(
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r#"
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print("Starting script loop...");
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loop {
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let x = get();
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print(`Script Read: ${x}`);
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x += 1;
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print(`Script Write: ${x}`);
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put(x);
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}
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"#,
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)
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.unwrap();
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});
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// This is the main processing thread
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println!("Starting main loop...");
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let mut value: i64 = 0;
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while value < 10 {
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println!("Value: {}", value);
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// Send value to script
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tx_master.send(value).unwrap();
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// Receive value from script
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value = rx_master.recv().unwrap();
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}
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}
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