78 lines
2.7 KiB
Rust
78 lines
2.7 KiB
Rust
use rhai::Engine;
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use rhai_client::RhaiClient; // To submit tasks
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use uuid::Uuid; // For generating task_id
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use std::time::Duration;
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use tokio::time::sleep;
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use rhailib_worker::spawn_rhai_worker;
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// Custom function for Rhai
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fn reverse_string(s: String) -> String {
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s.chars().rev().collect()
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}
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#[tokio::main]
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async fn main() -> Result<(), Box<dyn std::error::Error>> {
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env_logger::init();
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log::info!("Starting String Worker Example...");
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// 1. Configure and start the Rhai Worker with a custom engine
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let mut string_engine = Engine::new();
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string_engine.register_fn("reverse_it", reverse_string);
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log::info!("Custom 'reverse_it' function registered with Rhai engine for String Worker.");
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let (shutdown_tx, shutdown_rx) = tokio::sync::mpsc::channel(1);
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tokio::spawn(async move {
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log::info!("String Worker task starting...");
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let _worker_handle = spawn_rhai_worker(
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0,
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"string_circle".to_string(),
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string_engine,
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"redis://127.0.0.1/".to_string(),
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shutdown_rx,
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false,
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);
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});
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// Give the worker a moment to start and connect
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sleep(Duration::from_secs(1)).await;
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// 2. Use RhaiClient to submit a script to the "string_circle"
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let client = RhaiClient::new("redis://127.0.0.1/")?;
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let script_content = r#"
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let original = "hello world";
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let reversed = reverse_it(original);
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print("String script: original = '" + original + "', reversed = '" + reversed + "'");
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reversed // Return the result
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"#;
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log::info!("Submitting string script to 'string_circle' and awaiting result...");
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let timeout_duration = Duration::from_secs(10);
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let task_id = Uuid::new_v4().to_string();
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match client.submit_script_and_await_result(
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"string_circle",
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script_content.to_string(),
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task_id, // Pass the generated task_id
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timeout_duration,
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None
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).await {
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Ok(details) => {
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log::info!("String Worker Example: Task finished. Status: {}, Output: {:?}, Error: {:?}",
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details.status, details.output, details.error);
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if details.status == "completed" {
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assert_eq!(details.output, Some("dlrow olleh".to_string()));
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log::info!("String Worker Example: Assertion for output \"dlrow olleh\" passed!");
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Ok(())
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} else {
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log::error!("String Worker Example: Task completed with error: {:?}", details.error);
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Err(format!("Task failed with error: {:?}", details.error).into())
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}
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}
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Err(e) => {
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log::error!("String Worker Example: Failed to get task result: {}", e);
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Err(e.into())
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}
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}
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} |