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use parking_lot::RwLock;
use std::sync::Arc;

#[derive(Clone, Debug, Default)]
pub struct Configuration {
    inner: Arc<RwLock<Inner>>,
}

impl Configuration {
    pub fn channel_max(&self) -> u16 {
        self.inner.read().channel_max
    }

    pub(crate) fn set_channel_max(&self, channel_max: u16) {
        self.inner.write().channel_max = channel_max;
    }

    pub fn frame_max(&self) -> u32 {
        self.inner.read().frame_max
    }

    pub(crate) fn set_frame_max(&self, frame_max: u32) {
        self.inner.write().frame_max = frame_max;
    }

    pub fn heartbeat(&self) -> u16 {
        self.inner.read().heartbeat
    }

    pub(crate) fn set_heartbeat(&self, heartbeat: u16) {
        self.inner.write().heartbeat = heartbeat;
    }
}

#[derive(Debug, Default)]
struct Inner {
    channel_max: u16,
    frame_max: u32,
    heartbeat: u16,
}