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mod locator;
pub use locator::*;
mod manager;
pub use manager::*;
#[cfg(feature = "tcp")]
mod tcp;
#[cfg(feature = "udp")]
mod udp;
use async_std::sync::{Arc, Weak};
use async_trait::async_trait;
use std::cmp::PartialEq;
use std::fmt;
use std::hash::{Hash, Hasher};
use crate::session::Transport;
use zenoh_util::core::{ZError, ZErrorKind, ZResult};
use zenoh_util::zweak;
const STR_ERR: &str = "Link not available";
#[derive(Clone)]
pub struct Link {
mtu: usize,
src: Locator,
dst: Locator,
is_reliable: bool,
is_streamed: bool,
inner: Weak<dyn LinkTrait + Send + Sync>,
}
impl Link {
pub fn new(link: Arc<dyn LinkTrait + Send + Sync>) -> Link {
Link {
mtu: link.get_mtu(),
src: link.get_src(),
dst: link.get_dst(),
is_reliable: link.is_reliable(),
is_streamed: link.is_streamed(),
inner: Arc::downgrade(&link),
}
}
#[inline]
pub async fn close(&self) -> ZResult<()> {
let link = zweak!(self.inner, STR_ERR);
link.close().await
}
#[inline]
pub fn get_mtu(&self) -> usize {
self.mtu
}
#[inline]
pub fn get_src(&self) -> Locator {
self.src.clone()
}
#[inline]
pub fn get_dst(&self) -> Locator {
self.dst.clone()
}
#[inline]
pub fn is_reliable(&self) -> bool {
self.is_reliable
}
#[inline]
pub fn is_streamed(&self) -> bool {
self.is_streamed
}
#[inline]
pub async fn send(&self, buffer: &[u8]) -> ZResult<()> {
let link = zweak!(self.inner, STR_ERR);
link.send(buffer).await
}
#[inline]
pub async fn start(&self) -> ZResult<()> {
let link = zweak!(self.inner, STR_ERR);
link.start().await
}
#[inline]
pub async fn stop(&self) -> ZResult<()> {
let link = zweak!(self.inner, STR_ERR);
link.stop().await
}
}
impl Eq for Link {}
impl PartialEq for Link {
fn eq(&self, other: &Self) -> bool {
self.inner.ptr_eq(&other.inner)
}
}
impl Hash for Link {
fn hash<H: Hasher>(&self, state: &mut H) {
self.src.hash(state);
self.dst.hash(state);
}
}
impl fmt::Display for Link {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{} => {}", self.get_src(), self.get_dst())
}
}
impl fmt::Debug for Link {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
let status = self.inner.upgrade().is_some();
f.debug_struct("Link")
.field("src", &self.get_src())
.field("dst", &self.get_dst())
.field("mtu", &self.get_mtu())
.field("is_reliable", &self.is_reliable())
.field("is_streamed", &self.is_streamed())
.field("active", &status)
.finish()
}
}
#[async_trait]
pub trait LinkTrait {
async fn close(&self) -> ZResult<()>;
fn get_mtu(&self) -> usize;
fn get_src(&self) -> Locator;
fn get_dst(&self) -> Locator;
fn is_reliable(&self) -> bool;
fn is_streamed(&self) -> bool;
async fn send(&self, buffer: &[u8]) -> ZResult<()>;
async fn start(&self) -> ZResult<()>;
async fn stop(&self) -> ZResult<()>;
}
pub type LinkManager = Arc<dyn ManagerTrait + Send + Sync>;
#[async_trait]
pub trait ManagerTrait {
async fn new_link(&self, dst: &Locator, transport: &Transport) -> ZResult<Link>;
async fn get_link(&self, src: &Locator, dst: &Locator) -> ZResult<Link>;
async fn del_link(&self, src: &Locator, dst: &Locator) -> ZResult<()>;
async fn new_listener(&self, locator: &Locator) -> ZResult<Locator>;
async fn del_listener(&self, locator: &Locator) -> ZResult<()>;
async fn get_listeners(&self) -> Vec<Locator>;
}