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