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#![deny(
dead_code,
trivial_casts,
trivial_numeric_casts,
unsafe_code,
unused_import_braces,
unused_qualifications
)]
#[macro_use]
extern crate tracing;
use std::fmt;
use std::net::SocketAddr;
use std::str::FromStr;
use ockam_core::{Address, Result};
use ockam_node::Context;
use ockam_transport_core::TransportError;
pub use error::WebSocketError;
pub use init::WorkerPair;
pub use receiver::WebSocketRecvWorker;
pub use sender::WebSocketSendWorker;
use crate::router::{WebSocketRouter, WebSocketRouterHandle};
mod atomic;
mod error;
#[cfg(test)]
mod error_test;
mod init;
mod listener;
mod receiver;
mod router;
mod sender;
pub struct WebSocketTransport {
ctx: Context,
router: WebSocketRouterHandle,
}
pub const WS: u8 = 2;
fn parse_socket_addr<S: Into<String>>(s: S) -> Result<SocketAddr> {
Ok(s.into()
.parse()
.map_err(|_| TransportError::InvalidAddress)?)
}
impl WebSocketTransport {
pub async fn create(ctx: &Context) -> Result<WebSocketTransport> {
let addr = Address::random(0);
let ctx = ctx.new_context(addr).await?;
let router = {
let ctx_addr = Address::random(0);
let ctx = ctx.new_context(ctx_addr).await?;
let addr = Address::random(0);
WebSocketRouter::register(ctx, addr).await?
};
Ok(Self { ctx, router })
}
pub async fn connect<S: Into<String>>(&self, peer: S) -> Result<()> {
let peer = WebSocketAddr::from_str(&peer.into())?;
init::start_connection(&self.ctx, &self.router, peer).await?;
Ok(())
}
pub async fn listen<S: Into<String>>(&self, bind_addr: S) -> Result<()> {
let bind_addr = parse_socket_addr(bind_addr)?;
self.router.bind(bind_addr).await?;
Ok(())
}
}
#[derive(Clone)]
pub struct WebSocketAddr {
protocol: String,
socket_addr: SocketAddr,
}
impl From<SocketAddr> for WebSocketAddr {
fn from(socket_addr: SocketAddr) -> Self {
Self {
protocol: "ws".to_string(),
socket_addr,
}
}
}
impl From<WebSocketAddr> for SocketAddr {
fn from(other: WebSocketAddr) -> Self {
other.socket_addr
}
}
impl From<&WebSocketAddr> for String {
fn from(other: &WebSocketAddr) -> Self {
other.to_string()
}
}
impl FromStr for WebSocketAddr {
type Err = ockam_core::Error;
fn from_str(s: &str) -> core::result::Result<Self, Self::Err> {
let socket_addr = parse_socket_addr(s)?;
Ok(WebSocketAddr::from(socket_addr))
}
}
impl fmt::Display for WebSocketAddr {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{}://{}", &self.protocol, &self.socket_addr)
}
}