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use parking_lot::RwLock;
use std::sync::Arc;
use crate::types::ShortString;
#[derive(Clone, Debug, Default)]
pub struct ChannelStatus {
inner: Arc<RwLock<Inner>>,
}
impl ChannelStatus {
pub fn is_initializing(&self) -> bool {
self.inner.read().state == ChannelState::Initial
}
pub fn is_closing(&self) -> bool {
self.inner.read().state == ChannelState::Closing
}
pub fn is_connected(&self) -> bool {
!&[ChannelState::Initial, ChannelState::Closing, ChannelState::Closed, ChannelState::Error].contains(&self.inner.read().state)
}
pub fn confirm(&self) -> bool {
self.inner.read().confirm
}
pub(crate) fn set_confirm(&self) {
self.inner.write().confirm = true
}
pub fn state(&self) -> ChannelState {
self.inner.read().state.clone()
}
pub(crate) fn set_state(&self, state: ChannelState) {
self.inner.write().state = state
}
pub(crate) fn set_send_flow(&self, flow: bool) {
self.inner.write().send_flow = flow;
}
}
#[derive(Clone, Debug, PartialEq, Eq)]
pub enum ChannelState {
Initial,
Connected,
Closing,
Closed,
Error,
SendingContent(usize),
WillReceiveContent(Option<ShortString>, Option<ShortString>),
ReceivingContent(Option<ShortString>, Option<ShortString>, usize),
}
impl Default for ChannelState {
fn default() -> Self {
ChannelState::Initial
}
}
#[derive(Debug)]
struct Inner {
confirm: bool,
send_flow: bool,
state: ChannelState,
}
impl Default for Inner {
fn default() -> Self {
Self {
confirm: false,
send_flow: true,
state: ChannelState::default(),
}
}
}