gnostr-cat 0.0.40

Command-line client for web sockets, like netcat/curl/socat for ws://.
Documentation 
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#![allow(unused)]

extern crate websocket_base;

use std::cell::RefCell;
use std::rc::Rc;

use futures::future::Future;
use futures::stream::Stream;

use self::websocket_base::codec::ws::Context as WsLlContext;
use super::ws_peer::{Mode1, PeerForWs, WsReadWrapper, WsWriteWrapper};
use super::{
    box_up_err, once, peer_err, peer_strerr, BoxedNewPeerFuture, ConstructParams, Options, Peer,
    PeerConstructor, Result, Specifier,
};

#[derive(Debug, Clone)]
pub struct WsLlClient<T: Specifier>(pub T);
impl<T: Specifier> Specifier for WsLlClient<T> {
    fn construct(&self, p: ConstructParams) -> PeerConstructor {
        let inner = self.0.construct(p.clone());
        let opts = p.program_options;
        inner.map(move |q, _| get_ws_lowlevel_peer(WsLlContext::Client, q, opts.clone()))
    }
    specifier_boilerplate!(noglobalstate singleconnect has_subspec);
}
specifier_class!(
    name = WsLlClientClass,
    target = WsLlClient,
    prefixes = ["ws-lowlevel-client:", "ws-ll-client:", "ws-ll-c:"],
    arg_handling = subspec,
    overlay = false,
    MessageOriented,
    SingleConnect,
    help = r#"
[A] Low-level HTTP-independent WebSocket client connection without associated HTTP upgrade.

Example: TODO
"#
);

#[derive(Debug, Clone)]
pub struct WsLlServer<T: Specifier>(pub T);
impl<T: Specifier> Specifier for WsLlServer<T> {
    fn construct(&self, p: ConstructParams) -> PeerConstructor {
        let inner = self.0.construct(p.clone());
        let opts = p.program_options;
        inner.map(move |q, _| get_ws_lowlevel_peer(WsLlContext::Server, q, opts.clone()))
    }
    specifier_boilerplate!(noglobalstate singleconnect has_subspec);
}
specifier_class!(
    name = WsLlServerClass,
    target = WsLlServer,
    prefixes = ["ws-lowlevel-server:", "ws-ll-server:", "ws-ll-s:"],
    arg_handling = subspec,
    overlay = false,
    MessageOriented,
    SingleConnect,
    help = r#"
[A] Low-level HTTP-independent WebSocket server connection without associated HTTP upgrade.

Example: TODO
"#
);

pub fn get_ws_lowlevel_peer(
    mode: WsLlContext,
    mut inner: Peer,
    opts: Rc<Options>,
) -> BoxedNewPeerFuture {
    info!("get_ws_lowlevel_peer");

    use ::tokio_codec::Decoder;

    let c = websocket_base::codec::ws::MessageCodec::new_with_limits(
        mode,
        opts.max_ws_frame_length,
        opts.max_ws_message_length,
    );
    let hup = inner.2;
    inner.2 = None;
    let duplex = c.framed(PeerForWs(inner));

    let close_on_shutdown = !opts.websocket_dont_close;
    let p = super::ws_peer::finish_building_ws_peer(&*opts, duplex, close_on_shutdown, hup);

    Box::new(::futures::future::ok(p)) as BoxedNewPeerFuture
}