1extern crate futures;
  2extern crate tokio_core;
  3extern crate tokio_xmpp;
  4extern crate jid;
  5extern crate minidom;
  6extern crate xmpp_parsers;
  7extern crate try_from;
  8
  9use std::env::args;
 10use std::process::exit;
 11use std::str::FromStr;
 12use try_from::TryFrom;
 13use tokio_core::reactor::Core;
 14use futures::{Future, Stream, Sink, future};
 15use tokio_xmpp::Component;
 16use minidom::Element;
 17use xmpp_parsers::presence::{Presence, Type as PresenceType, Show as PresenceShow};
 18use xmpp_parsers::message::{Message, MessageType};
 19use jid::Jid;
 20
 21fn main() {
 22    let args: Vec<String> = args().collect();
 23    if args.len() < 3 || args.len() > 5 {
 24        println!("Usage: {} <jid> <password> [server] [port]", args[0]);
 25        exit(1);
 26    }
 27    let jid = &args[1];
 28    let password = &args[2];
 29    let server = &args.get(3).unwrap().parse().unwrap_or("127.0.0.1".to_owned());
 30    let port: u16 = args.get(4).unwrap().parse().unwrap_or(5347u16);
 31
 32    // tokio_core context
 33    let mut core = Core::new().unwrap();
 34    // Component instance
 35    println!("{} {} {} {} {:?}", jid, password, server, port, core.handle());
 36    let component = Component::new(jid, password, server, port, core.handle()).unwrap();
 37
 38    // Make the two interfaces for sending and receiving independent
 39    // of each other so we can move one into a closure.
 40    println!("Got it: {}", component.jid);
 41    let (sink, stream) = component.split();
 42    // Wrap sink in Option so that we can take() it for the send(self)
 43    // to consume and return it back when ready.
 44    let mut sink = Some(sink);
 45    let mut send = move |stanza| {
 46        sink = Some(
 47            sink.take().
 48                expect("sink")
 49                .send(stanza)
 50                .wait()
 51                .expect("sink.send")
 52        );
 53    };
 54    // Main loop, processes events
 55    let done = stream.for_each(|event| {
 56        if event.is_online() {
 57            println!("Online!");
 58
 59            // TODO: replace these hardcoded JIDs
 60            let presence = make_presence(Jid::from_str("test@component.linkmauve.fr/coucou").unwrap(), Jid::from_str("linkmauve@linkmauve.fr").unwrap());
 61            send(presence);
 62        } else if let Some(message) = event.into_stanza()
 63            .and_then(|stanza| Message::try_from(stanza).ok())
 64        {
 65            // This is a message we'll echo
 66            match (message.from, message.bodies.get("")) {
 67                (Some(from), Some(body)) =>
 68                    if message.type_ != MessageType::Error {
 69                        let reply = make_reply(from, body);
 70                        send(reply);
 71                    },
 72                _ => (),
 73            }
 74        }
 75
 76        Box::new(future::ok(()))
 77    });
 78
 79    // Start polling `done`
 80    match core.run(done) {
 81        Ok(_) => (),
 82        Err(e) => {
 83            println!("Fatal: {}", e);
 84            ()
 85        }
 86    }
 87}
 88
 89// Construct a <presence/>
 90fn make_presence(from: Jid, to: Jid) -> Element {
 91    let mut presence = Presence::new(PresenceType::None);
 92    presence.from = Some(from);
 93    presence.to = Some(to);
 94    presence.show = PresenceShow::Chat;
 95    presence.statuses.insert(String::from("en"), String::from("Echoing messages."));
 96    presence.into()
 97}
 98
 99// Construct a chat <message/>
100fn make_reply(to: Jid, body: &str) -> Element {
101    let mut message = Message::new(Some(to));
102    message.bodies.insert(String::new(), body.to_owned());
103    message.into()
104}