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tokio-xmpp: rewrite for futures-0.3

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This commit is contained in:
Astro 2020-03-05 01:25:24 +01:00
commit 23cb34e026
18 changed files with 801 additions and 1222 deletions
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103
tokio-xmpp/examples/echo_bot.rs
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@ -1,14 +1,15 @@
use futures::{future, Future, Sink, Stream};
use futures::stream::StreamExt;
use std::convert::TryFrom;
use std::env::args;
use std::process::exit;
use tokio::runtime::current_thread::Runtime;
use tokio_xmpp::{Client, Packet};
use tokio;
use tokio_xmpp::Client;
use xmpp_parsers::message::{Body, Message, MessageType};
use xmpp_parsers::presence::{Presence, Show as PresenceShow, Type as PresenceType};
use xmpp_parsers::{Element, Jid};
fn main() {
#[tokio::main]
async fn main() {
let args: Vec<String> = args().collect();
if args.len() != 3 {
println!("Usage: {} <jid> <password>", args[0]);
@ -17,72 +18,50 @@ fn main() {
let jid = &args[1];
let password = &args[2];
// tokio_core context
let mut rt = Runtime::new().unwrap();
// Client instance
let client = Client::new(jid, password).unwrap();
// Make the two interfaces for sending and receiving independent
// of each other so we can move one into a closure.
let (sink, stream) = client.split();
// Create outgoing pipe
let (mut tx, rx) = futures::unsync::mpsc::unbounded();
rt.spawn(
rx.forward(sink.sink_map_err(|_| panic!("Pipe")))
.map(|(rx, mut sink)| {
drop(rx);
let _ = sink.close();
})
.map_err(|e| {
panic!("Send error: {:?}", e);
}),
);
let mut client = Client::new(jid, password.to_owned()).unwrap();
client.set_reconnect(true);
// Main loop, processes events
let mut wait_for_stream_end = false;
let done = stream.for_each(move |event| {
if wait_for_stream_end {
/* Do nothing */
} else if event.is_online() {
let jid = event
.get_jid()
.map(|jid| format!("{}", jid))
.unwrap_or("unknown".to_owned());
println!("Online at {}", jid);
let mut stream_ended = false;
while !stream_ended {
if let Some(event) = client.next().await {
println!("event: {:?}", event);
if wait_for_stream_end {
/* Do nothing */
} else if event.is_online() {
let jid = event
.get_jid()
.map(|jid| format!("{}", jid))
.unwrap_or("unknown".to_owned());
println!("Online at {}", jid);
let presence = make_presence();
tx.start_send(Packet::Stanza(presence)).unwrap();
} else if let Some(message) = event
.into_stanza()
.and_then(|stanza| Message::try_from(stanza).ok())
{
match (message.from, message.bodies.get("")) {
(Some(ref from), Some(ref body)) if body.0 == "die" => {
println!("Secret die command triggered by {}", from);
wait_for_stream_end = true;
tx.start_send(Packet::StreamEnd).unwrap();
}
(Some(ref from), Some(ref body)) => {
if message.type_ != MessageType::Error {
// This is a message we'll echo
let reply = make_reply(from.clone(), &body.0);
tx.start_send(Packet::Stanza(reply)).unwrap();
let presence = make_presence();
client.send_stanza(presence).await.unwrap();
} else if let Some(message) = event
.into_stanza()
.and_then(|stanza| Message::try_from(stanza).ok())
{
match (message.from, message.bodies.get("")) {
(Some(ref from), Some(ref body)) if body.0 == "die" => {
println!("Secret die command triggered by {}", from);
wait_for_stream_end = true;
client.send_end().await.unwrap();
}
(Some(ref from), Some(ref body)) => {
if message.type_ != MessageType::Error {
// This is a message we'll echo
let reply = make_reply(from.clone(), &body.0);
client.send_stanza(reply).await.unwrap();
}
}
_ => {}
}
_ => {}
}
}
future::ok(())
});
// Start polling `done`
match rt.block_on(done) {
Ok(_) => (),
Err(e) => {
println!("Fatal: {}", e);
()
} else {
println!("stream_ended");
stream_ended = true;
}
}
}