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