wora

Function exec_async_runner

Source 
pub async fn exec_async_runner<AppEv: Send + Sync + 'static, AppMetric: Debug + Send + Sync + 'static>(
    exec: impl AsyncExecutor<AppEv, AppMetric>,
    app: impl App<AppEv, AppMetric> + 'static,
    fs: impl WFS,
    o11y: O11yProcessorOptions<AppMetric>,
) -> Result<(), MainEarlyReturn>
Expand description

Run apps via an async based executor

Examples found in repository?
examples/basic.rs (line 122)
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async fn main() -> Result<(), MainEarlyReturn> {
    let (tx, mut rx) = tokio::sync::mpsc::channel::<O11yEvent<()>>(10);
    let _o11y_consumer_task = tokio::spawn(async move {
        while let Some(res) = rx.recv().await {
            match res.kind {
                O11yEventKind::Status(cap, sz) => {
                    println!("{}: status cap:{} max:{}", res.timestamp, cap, sz);
                }
                O11yEventKind::App(_O11y) => {}
                O11yEventKind::HostInfo(_hi) => {}
                O11yEventKind::HostStats(_hs) => {}
                O11yEventKind::Flush => {
                    println!("{}: flush", res.timestamp);
                }
                O11yEventKind::Finish => {
                    println!("{}: finish", res.timestamp);
                }
                O11yEventKind::Init(log_dir) => {
                    println!("{}: init log_dir:{:?}", res.timestamp, log_dir);
                }
                O11yEventKind::Log(level, target, name) => {
                    println!("{}: {} target:{} name:{}", res.timestamp, level, target, name);
                }
                O11yEventKind::Reconnect => {}
                O11yEventKind::Clear => {}
                O11yEventKind::Span(_, _) => {}
            }
        }
    });

    let wob = Observability {
        tx: tx.clone(),
        level: Level::INFO,
    };

    tracing_subscriber::registry().with(wob).init();

    let app_name = "wora_basic";

    let args = BasicAppOpts::parse();

    let app = BasicApp { args: args, counter: 1 };

    let fs = PhysicalVFS::new();
    let interval = std::time::Duration::from_secs(5);

    let o11y = O11yProcessorOptionsBuilder::default()
        .sender(tx)
        .flush_interval(interval.clone())
        .status_interval(interval.clone())
        .host_stats_interval(interval.clone())
        .build()
        .unwrap();
    match UnixLikeUser::new(app_name, fs.clone()).await {
        Ok(exec) => exec_async_runner(exec, app, fs.clone(), o11y).await?,
        Err(exec_err) => {
            error!("exec error:{}", exec_err);
            return Err(MainEarlyReturn::Vfs(exec_err));
        }
    }

    Ok(())
}
More examples
Hide additional examples
examples/async_daemon.rs (line 229)
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async fn main() -> Result<(), MainEarlyReturn> {
    let args = DaemonArgs::parse();

    let app_state = DaemonState {};

    let app = DaemonApp {
        args: args.clone(),
        state: Arc::new(RwLock::new(app_state)),
        config: DaemonConfig::default(),
    };

    let (tx, mut rx) = tokio::sync::mpsc::channel::<O11yEvent<()>>(10);
    let _o11y_consumer_task = tokio::spawn(async move {
        while let Some(res) = rx.recv().await {
            match res.kind {
                O11yEventKind::Status(cap, sz) => {
                    println!("{}: status cap:{} max:{}", res.timestamp, cap, sz);
                }
                O11yEventKind::App(_O11y) => {}
                O11yEventKind::HostInfo(_hi) => {}
                O11yEventKind::HostStats(_hs) => {}
                O11yEventKind::Flush => {
                    println!("{}: flush", res.timestamp);
                }
                O11yEventKind::Finish => {
                    println!("{}: finish", res.timestamp);
                }
                O11yEventKind::Init(log_dir) => {
                    println!("{}: init log_dir:{:?}", res.timestamp, log_dir);
                }
                O11yEventKind::Log(level, target, name) => {
                    println!("{}: {} target:{} name:{}", res.timestamp, level, target, name);
                }
                O11yEventKind::Reconnect => {}
                O11yEventKind::Clear => {}
                O11yEventKind::Span(_, _) => {}
            }
        }
    });

    let wob = Observability {
        tx: tx.clone(),
        level: Level::INFO,
    };

    tracing_subscriber::registry().with(wob).init();

    let fs = PhysicalVFS::new();

    let interval = std::time::Duration::from_secs(5);
    let O11y = O11yProcessorOptionsBuilder::default()
        .sender(tx)
        .flush_interval(interval.clone())
        .status_interval(interval.clone())
        .host_stats_interval(interval.clone())
        .build()
        .unwrap();

    match &args.run_mode {
        RunMode::Sys => {
            let exec = UnixLikeSystem::new(app.name()).await;
            exec_async_runner(exec, app, fs, O11y).await?
        }
        RunMode::User => match UnixLikeUser::new(app.name(), fs.clone()).await {
            Ok(exec) => exec_async_runner(exec, app, fs.clone(), O11y).await?,
            Err(exec_err) => {
                error!("exec error:{}", exec_err);
                return Err(MainEarlyReturn::Vfs(exec_err));
            }
        },
    }

    Ok(())
}