wmhttp 0.3.1

a http server for rust
Documentation 
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// Copyright 2022 - 2024 Wenmeng See the COPYRIGHT
// file at the top-level directory of this distribution.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
//
// Author: tickbh
// -----
// Created Date: 2024/01/08 10:59:59

use tokio::{time::{Duration, Instant, sleep_until}, sync::mpsc::Receiver};
use webparse::ws::OwnedMessage;



// 存储由on_open返回的配置文件, 如定时器之类等
#[derive(Debug)]
pub struct WsOption {
    pub interval: Option<Duration>,
    pub receiver: Option<Receiver<OwnedMessage>>,
    next_interval: Option<Instant>,
}

impl WsOption {
    pub fn new() -> Self {
        Self {
            interval: None,
            receiver: None,
            next_interval: None,
        }
    }
    
    pub fn set_interval(&mut self, interval: Duration) {
        assert!(interval > Duration::from_millis(1));
        self.interval = Some(interval);
        self.next_interval = Some(Instant::now() + interval);
    }

    pub fn set_receiver(&mut self, receiver: Receiver<OwnedMessage>) {
        self.receiver = Some(receiver);
    }

    async fn inner_interval_wait(&mut self) -> Option<()> {
        sleep_until(self.next_interval.unwrap()).await;
        self.next_interval = Some(Instant::now() + self.interval.unwrap());
        Some(())
    }

    pub async fn interval_wait(option: &mut Option<WsOption>) -> Option<()> {
        if option.is_some() && option.as_mut().unwrap().interval.is_some() {
            option.as_mut().unwrap().inner_interval_wait().await
        } else {
            let pend = std::future::pending();
            let () = pend.await;
            None
        }
    }
}